CN211911476U - Multi-motor dust collector - Google Patents
Multi-motor dust collector Download PDFInfo
- Publication number
- CN211911476U CN211911476U CN202020114593.5U CN202020114593U CN211911476U CN 211911476 U CN211911476 U CN 211911476U CN 202020114593 U CN202020114593 U CN 202020114593U CN 211911476 U CN211911476 U CN 211911476U
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- motor
- control valve
- air
- tray
- air inlet
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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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
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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
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
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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
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Suction Cleaners (AREA)
Abstract
The utility model discloses a multi-motor dust collector, which comprises a dust collecting barrel, a machine head component and a filtering component, wherein the machine head component comprises a plurality of motors, a tray, a plurality of control valves, a motor base and a cover body, and the motors are used for providing suction; the tray comprises a main air inlet and a plurality of branch air inlets, and each branch air inlet is communicated with the motor; the number of the control valves is consistent with that of the branch air inlets, and each control valve is connected to the tray and respectively covered on the corresponding branch air inlets; the motor base is used for bearing the motor, and the motor base and the tray are jointly separated to form a plurality of independent air distribution channels; the cover is arranged on the motor base and is connected with the dust collection barrel in a sealing way. The utility model discloses connect the control valve on the tray, the route of reducible air current detour forms smooth and easy branch air current passageway, realizes increase wind speed and flow, reduces energy loss.
Description
Technical Field
The utility model relates to a dust catcher especially relates to many motor dust collectors of reducible air current bypass.
Background
In the multi-motor dust collector, in order to avoid air leakage and air leakage when a certain motor is opened singly and to prevent other motors from rotating, a one-way valve is designed.
For example, chinese patent application No. 201210332506.3 discloses a multi-motor vacuum cleaner, and it includes the collecting vessel, and collecting vessel upper portion is equipped with aircraft nose subassembly, and aircraft nose subassembly includes the tray, and tray upper portion is equipped with the motor cabinet, is equipped with the motor chamber that holds the motor on the motor cabinet, and the motor has first air intake, the motor chamber is arranged in to the motor, be equipped with the second air intake on the motor chamber, be equipped with wind channel control assembly between first air intake and the second air intake, the opening or closing of the steerable second air intake of wind channel control assembly. The air channel control assembly comprises a control valve which is a one-way valve, an umbrella valve and a turnover valve.
In the multi-motor vacuum cleaner of chinese patent application No. 201210332506.3, an air duct control assembly is respectively disposed under a plurality of motors, and the air duct control assemblies are spaced apart from each other at a certain distance. When partial motors in the plurality of motors are started and partial motors are closed, the air channel control assembly corresponding to the motor in the starting state is started, the air channel control assembly corresponding to the motor in the closing state is not opened, partial air flow enters from the tray opening, the air flow bypasses the unopened air channel control assembly, and the air flow after bypassing flows to the second air inlet corresponding to the opened air channel control assembly and then enters the first air inlet because the second air inlet corresponding to the unopened air channel control assembly is in the closing state.
The multi-motor dust collector of chinese patent application No. 201210332506.3, a plurality of wind channel control assembly set up respectively between a plurality of motors and motor cabinet, and a plurality of wind channel control assembly establish with certain distance interval, the distance between tray mouth and the unopened wind channel control assembly forms first air current detour way distance, the distance between the unopened wind channel control assembly and the unopened wind channel control assembly forms second air current detour way distance, the stack of first air current detour way distance and second air current detour way distance leads to the route of air current detour longer, then can influence wind speed and flow.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-motor dust collector to solve the technical problem of air flow detour.
The utility model provides a multi-motor dust collector, which comprises a dust collecting barrel, a machine head component covered on the dust collecting barrel and a filtering component connected below the machine head component; and the head assembly comprises:
a plurality of motors for providing suction;
the tray comprises a main air inlet and a plurality of branch air inlets, and each branch air inlet is communicated with the motor;
the number of the control valves is consistent with that of the branch air inlets, each control valve is connected to the tray and respectively covered on the corresponding branch air inlets, and each control valve comprises an opening state and a closing state so as to control the opening and closing of the corresponding branch air inlets;
the motor base is used for bearing the motor, the motor base and the tray are jointly separated to form a plurality of independent air distribution channels, and the air distribution channels are used for providing air flow to enter the motor from the air distribution ports;
and the cover body is covered on the motor base and is in sealing connection with the dust collection barrel.
Optionally, the tray is provided with a connecting portion in a straddling manner, the control valve is connected to the connecting portion through a rotating shaft and rotates relative to the tray, and the control valve is gathered above the main air inlet in a closed state.
Optionally, a partition wall is arranged on the inner side of the tray, and the partition wall and the connecting part form an air dividing inlet.
Optionally, the one end of pivot is equipped with first fool-proof portion, connecting portion are equipped with the second fool-proof portion, the second fool-proof portion with first fool-proof portion cooperation.
Optionally, one side of the control valve, which is close to the main air inlet, is provided with a plurality of guide ribs, and the guide ribs are arranged in parallel and at intervals.
Optionally, the tray is provided with a butt rib, the outer edge of the control valve is provided with an elastic sealing body, the butt rib is in butt fit with the elastic sealing body to form a linear seal, and the extending direction of the butt rib is perpendicular to the elastic sealing body.
Optionally, when the control valve is in an open state, the inclination direction of the valve surface of the control valve is forward to the direction of the airflow entering the air inlet.
Optionally, in the closed state of the control valve, a valve surface of the control valve is opposite to a straight surface of the air flow direction entering the air inlet.
Optionally, an air guide cavity is arranged on the motor base, the air guide cavity is deviated to the air inlet, and the deviation direction of the air guide cavity is forward to the air flow direction.
Optionally, a plurality of limiting portions are arranged on one side, opposite to the tray, of the motor base, when the rotating shaft of the control valve rotates, an area, close to the rotating shaft, of the limiting portions presses against the rotating shaft, and an area, far away from the rotating shaft, of the limiting portions abuts against the control valve in an open state.
Compared with the prior art, the utility model discloses many motor vacuum cleaners's partial motor has been opened and when partial motor was not opened, the control valve that the motor that has opened corresponds is opened because of the negative pressure, and the control valve that does not open the motor and correspond keeps closing, partial air current is through total air intake, flow in the motor after opening branch air intake, another partial air current is through total air intake, do not open the air intake, flow in the motor after opening branch air intake, because the control valve is connected on the tray, the route of reducible air current detour, form smooth and easy branch air current channel, realize increase wind speed and flow, reduce energy loss. In addition, the control valves are arranged on the connecting parts together and are arranged in a gathering mode, so that the path of an airflow bypass can be further reduced, the wind speed and the flow are increased, and the energy loss is reduced.
Drawings
FIG. 1 is a schematic view of a multi-motor vacuum cleaner according to the present invention;
FIG. 2 is an exploded view of the multi-motor vacuum cleaner of the present invention;
FIG. 3 is a schematic perspective view of a tray of the multi-motor vacuum cleaner of the present invention;
FIG. 4 is a perspective view of the tray of the multi-motor vacuum cleaner of the present invention at another viewing angle;
FIG. 5 is a schematic perspective view of a control valve of the multi-motor vacuum cleaner of the present invention;
FIG. 6 is a schematic perspective view of a motor base of the multi-motor vacuum cleaner of the present invention;
FIG. 7 is a perspective view of the motor base of the multi-motor vacuum cleaner of the present invention at another viewing angle;
FIG. 8 is a schematic partial cross-sectional view of the multi-motor vacuum cleaner of the present invention, wherein the first motor and the second motor are both not turned on;
FIG. 9 is an enlarged partial view of A in FIG. 8;
FIG. 10 is a schematic partial cross-sectional view of the multi-motor vacuum cleaner of the present invention with the first motor turned on and the second motor turned off;
FIG. 11 is a schematic partial cross-sectional view of the multi-motor vacuum cleaner of the present invention with the first motor not turned on and the second motor turned on;
fig. 12 is a schematic partial cross-sectional view illustrating the multi-motor vacuum cleaner according to the present invention in which both the first motor and the second motor are turned on.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 to 5, the present invention provides a multi-motor vacuum cleaner, which includes a dust collecting barrel, a head assembly 1 covering the dust collecting barrel, and a filter assembly (not shown) connected below the head assembly; the handpiece assembly 1 comprises:
a plurality of motors 10 for providing suction force; the number of the motors 10 can be set according to the requirement, and the number of the motors 10 comprises two or more than two.
The tray 20 comprises a main air inlet 21 and a plurality of branch air inlets 22, and each branch air inlet 22 is communicated with the motor 10; the main air inlet 21 is communicated with the filtering component and is used for providing filtered air flow to pass through; the number of the branch air inlets 22 can be set according to the number of the motors 10, and the number of the branch air inlets 22 comprises two or more; the air which does not flow around the path flows through the main air inlet 21 and the branch air inlet 22 which is opened and then flows into the motor; the bypass air flows through the main air inlet 21, the unopened air dividing inlet 22 and the opened air dividing inlet 22 and then flows into the motor; the distance between the sub-air inlet 22 and the main air inlet 21 can be set to control the path of the air flow bypass, and the smaller the distance between the sub-air inlet 22 and the main air inlet 21 is, the smaller the path of the air flow bypass (between the main air inlet 21 and the sub-air inlet 22 which is not opened) is, and the smaller the loss caused by the air flow bypass is.
The number of the control valves 30 is the same as that of the branch air inlets, each control valve 30 is connected to the tray 20 and respectively covers the corresponding branch air inlets 22, and the control valves 30 comprise an open state and a closed state to control the opening and closing of the corresponding branch air inlets 22; the number of the control valves 30 may be set according to the number of the branch air inlets 22, and the number of the control valves 30 includes two or more.
The motor base 40 is used for carrying the motor 10, and the motor base 40 and the tray 20 are jointly separated to form a plurality of independent air distribution channels which are used for providing air flow to enter the motor 10 from the air distribution opening 22.
And a cover body 50 covering the motor base 40 and hermetically connected to the dust collection tub.
In an embodiment of the present invention, the connecting portion 23 is disposed between the tray 20, the control valve 30 is a rotating shaft door leaf type one-way valve, the control valve 30 includes a rotating shaft 31 and a door leaf type valve face connected to the rotating shaft 31, and an outer side of the door leaf type valve face away from the rotating shaft 31 is called as a free end. The control valve 30 is connected to the connecting portion 23 through a rotating shaft 31 and rotates relative to the tray 20, and the control valve 30 is gathered above the main air inlet 21 in a closed state. The connecting part 23 is arranged in the middle of the tray 20, the control valves 30 are arranged in the tray 20 together through the connecting part 23, the distance between the rotating shafts 31 of the control valves 30 is related to the wall thickness of the connecting part 23, and the distance between the rotating shafts 31 of the control valves 30 can be controlled by setting the wall thickness of the connecting part 23; the smaller the distance between the rotating shafts 31 of the control valves 30, the smaller the path of the air flow bypass (between the unopened divided air inlet and the opened divided air inlet), and the smaller the loss due to the air flow bypass. The distance of the free ends of the plurality of control valves 30 in the closed state can be controlled by setting the angle at which the control valves 30 are folded together, and the smaller the distance between the free ends of the plurality of control valves 30 in the closed state, the smaller the path of the air flow bypass (between the unopened branch air inlet and the opened branch air inlet), the smaller the loss due to the air flow bypass.
In an embodiment of the present invention, a partition wall 24 is disposed inside the tray 20, and the partition wall 24 and the connecting portion 23 form the sub-air inlet 22. By setting the height of the partition wall 24 to control the angle between the valve face of the control valve 30 in the closed state and the direction of the air flow entering the branch air inlet 22, the closer the angle of the air flow direction is to 90 degrees, the easier the control valve 30 is to be opened. The case where the angle between the valve surface of the control valve 30 and the direction of the air flow entering the branch air inlet 22 is 70 to 110 degrees is referred to as the case where the valve surface of the control valve 30 is opposite to the straight surface of the direction of the air flow entering the branch air inlet 22 (the direction of the air flow is indicated by the arrow in fig. 12).
In an embodiment of the present invention, one end of the rotating shaft 31 is provided with a first fool-proof portion 32, the connecting portion 23 is provided with a second fool-proof portion 25, and the second fool-proof portion 25 is matched with the first fool-proof portion 32.
In an embodiment of the present invention, a plurality of guiding ribs 35 are disposed on a surface of the control valve 30 near the main air inlet, and the guiding ribs 35 are disposed in parallel and spaced from each other.
The design of staying is prevented in the design that has direction muscle 35 again to ensure the correct installation of control valve 30, control valve 30 after the installation, the one side that is equipped with direction muscle 35 is relative with total air intake 21, thereby makes control valve 30 opened the back, the incline direction of the valve face of control valve 30 with enter into the air current direction cisoid of minute air inlet 22, the extending direction of direction muscle 35 with enter into the air current direction cisoid of minute air inlet 22, through the guide effect of direction muscle 35, the more smooth inflow of air current to the motor. The inclined direction of the valve surface of the control valve 30 is said to be nearly parallel to the direction of the air flow entering the branch air inlet 22 (for example, the included angle is within 20 degrees), which is called forward direction.
In an embodiment of the present invention, when the control valve 30 is in the open state, the inclination direction of the valve face of the control valve 30 is forward to the direction of the air flow entering the sub-air inlet 22.
In an embodiment of the present invention, when the control valve 30 is in the closed state, the valve surface of the control valve 30 is opposite to the air flow direction straight surface entering into the branch air inlet 22.
Referring to fig. 4, 6 and 7, in an embodiment of the present invention, an air guiding cavity 41 is disposed on the motor base 40, the air guiding cavity 41 is biased toward the air inlet 22, and the biased direction of the air guiding cavity 41 is forward to the air flow direction.
In an embodiment of the present invention, a plurality of limiting portions 42 are disposed on a side of the motor base 40 opposite to the tray 20, when the rotating shaft 31 of the control valve 30 rotates, an area of the limiting portions 42 close to the rotating shaft 31 presses against the rotating shaft 31, and an area of the limiting portions 42 far away from the rotating shaft 31 supports the control valve 30 in an open state (as shown in fig. 10).
Referring to fig. 9, in an embodiment of the present invention, the tray 20 is provided with an abutting rib 241, the abutting rib 241 may be disposed on an upper edge of the partition wall 24, the abutting rib 241 forms a tapered end portion on the partition wall 24, which is beneficial to forming a line seal, an elastic sealing body 36 is disposed on an outer edge of the control valve 30, the abutting rib 241 abuts against and cooperates with the elastic sealing body 36 to form a line seal, and an extending direction of the abutting rib 241 is perpendicular to the elastic sealing body 36. The tapered abutting ribs 241 sink into the elastic sealing body 36 in the vertical direction, so that the sealing effect is better. The aspect ratio of the abutting ribs 241 is set according to the requirement of tapering, for example, the width is 0.5mm, and the height is 0.5 mm. Under the condition that the height of the contact rib 241 is constant, the smaller the width of the contact rib 241, the better the sealing effect.
Referring to fig. 2, 4, and 8-12, in an embodiment of the present invention, a handpiece assembly 1 including two motors includes:
a first motor 11 and a second motor 12 for providing suction force;
the tray 20 comprises a main air inlet 21, a first branch air inlet 221 and a second branch air inlet 222, wherein the first branch air inlet 221 is communicated with the first motor 11, and the second branch air inlet 222 is communicated with the second motor 12;
a first control valve 301 and a second control valve 302 connected to the tray 20, wherein the first control valve 301 covers the first sub-inlet 221, and the first control valve 301 includes an open state and a closed state to control the opening and closing of the first sub-inlet 221; the second control valve 302 is covered on the second branch air inlet 222, and the second control valve 302 comprises an opening state and a closing state so as to control the opening and closing of the second branch air inlet 222;
the motor base 40 is used for carrying the first motor 11 and the second motor 12, the motor base 40 and the tray 20 are separated together to form a first sub-airflow channel and a second sub-airflow channel, and the first sub-airflow channel is used for providing airflow to enter the first motor 11 from the first sub-air inlet 221; the second air distribution channel is used for providing an air flow to enter the second motor from the second air distribution inlet 222, and a first air guiding cavity 411 and a second air guiding cavity 412 are arranged on the motor base 40, the first air guiding cavity 411 is biased towards the first air distribution inlet 221, the second air guiding cavity 412 is biased towards the second air distribution inlet 222, and the biasing directions of the first air guiding cavity 411 and the second air guiding cavity 412 are in the forward direction of the air flow;
and a cover body 50 covering the motor base 40 and hermetically connected to the dust collection tub.
Referring to fig. 4 and 8, when the first motor 11 and the second motor 12 are both turned off, the first control valve 301 and the second control valve 302 are kept closed.
Referring to fig. 4 and 10, when the first motor 11 is turned on and the second motor 12 is turned off, the first control valve 301 is opened due to the negative pressure to open the first sub air inlet 221, the external air flows into the first motor 11 through the main air inlet 21, the first sub air inlet 221 and the first air guiding cavity 411, and the second control valve 302 is kept closed.
Referring to fig. 4 and fig. 11, when the second motor 12 is turned on and the first motor 11 is turned off, the second control valve 302 is opened due to the negative pressure to open the second sub air inlet 222, the external air flows into the second motor 12 through the main air inlet 21, the second sub air inlet 222 and the second air guiding cavity 412, and the first control valve 301 is kept closed.
Referring to fig. 4 and 12, when the first motor 11 is turned on and the second motor 12 is turned on, the first control valve 301 is opened due to the negative pressure to open the first sub air inlet 221, and a part of the air flow entering from the outside flows into the first motor 11 after passing through the main air inlet 21, the first sub air inlet 221 and the first air guiding cavity 411; the second control valve 302 is opened by the negative pressure to open the second sub-inlet 222, and a part of the airflow entering from the outside flows into the second motor 12 through the main inlet 21, the second sub-inlet 222, and the second air guiding chamber 412.
The utility model discloses many motor dust collectors's partial motor has been opened and when partial motor was not opened, the control valve that the motor that has opened corresponds is opened because of the negative pressure, and the control valve that the motor that has not opened corresponds keeps closing, partial air current is through total air intake, branch air inlet (having opened the control valve and correspond) the back inflow motor, another part air current is through total air intake, do not open the control valve, branch air inlet (having opened the control valve and correspond) the back inflow motor, because the control valve is connected on the tray, reducible air current is around the route, form smooth and easy branch air current channel, realize increase wind speed and flow, reduce energy loss. In addition, the control valves are arranged on the connecting parts together and are arranged in a gathering mode, so that the path of an airflow bypass can be further reduced, the wind speed and the flow are increased, and the energy loss is reduced.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A multi-motor dust collector comprises a dust collecting barrel, a machine head component covered on the dust collecting barrel and a filter component connected below the machine head component; characterized in that the head assembly comprises:
a plurality of motors for providing suction;
the tray comprises a main air inlet and a plurality of branch air inlets, and each branch air inlet is communicated with the motor;
the number of the control valves is consistent with that of the branch air inlets, each control valve is connected to the tray and respectively covered on the corresponding branch air inlets, and each control valve comprises an opening state and a closing state so as to control the opening and closing of the corresponding branch air inlets;
the motor base is used for bearing the motor, the motor base and the tray are jointly separated to form a plurality of independent air distribution channels, and the air distribution channels are used for providing air flow to enter the motor from the air distribution ports;
and the cover body is covered on the motor base and is in sealing connection with the dust collection barrel.
2. The multi-motor vacuum cleaner according to claim 1, wherein: the tray is provided with a connecting part in a spanning mode, the control valve is connected to the connecting part through a rotating shaft and rotates relative to the tray, and the control valve is gathered above the main air inlet in a closed state.
3. The multi-motor vacuum cleaner according to claim 2, wherein: the tray inboard is equipped with the partition wall, the partition wall with the junction forms the composition air intake.
4. The multi-motor vacuum cleaner according to claim 2, wherein: the one end of pivot is equipped with first fool-proof portion, connecting portion are equipped with the second and prevent fool-proof portion, the second prevent fool-proof portion with first fool-proof portion cooperation.
5. The multi-motor vacuum cleaner according to claim 1, wherein: one side of the control valve, which is close to the main air inlet, is provided with a plurality of guide ribs, and the guide ribs are arranged in parallel and at intervals.
6. The multi-motor vacuum cleaner according to claim 1, wherein: the tray is provided with a butt rib, the outer edge of the control valve is provided with an elastic sealing body, the butt rib is abutted against the elastic sealing body to form linear sealing, and the extending direction of the butt rib is perpendicular to the elastic sealing body.
7. The multi-motor vacuum cleaner according to claim 1, wherein: when the control valve is in an open state, the inclination direction of the valve surface of the control valve is in the same direction as the direction of the air flow entering the air inlet.
8. The multi-motor vacuum cleaner according to claim 1, wherein: when the control valve is in a closed state, the valve surface of the control valve is opposite to the straight surface of the air flow entering the air inlet.
9. The multi-motor vacuum cleaner according to claim 1, wherein: the motor base is provided with an air guide cavity, the air guide cavity deflects to a branch air inlet, and the bias direction of the air guide cavity is forward to the air flow direction.
10. The multi-motor vacuum cleaner according to claim 1, wherein: the motor base is provided with a plurality of limiting portions on one side opposite to the tray, when the rotating shaft of the control valve rotates, the area, close to the rotating shaft, of the limiting portions presses against the rotating shaft, and the area, far away from the rotating shaft, of the limiting portions supports against the control valve in an open state.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020114593.5U CN211911476U (en) | 2020-01-19 | 2020-01-19 | Multi-motor dust collector |
| PCT/CN2020/111028 WO2021143136A1 (en) | 2020-01-19 | 2020-08-25 | Multi-motor vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020114593.5U CN211911476U (en) | 2020-01-19 | 2020-01-19 | Multi-motor dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211911476U true CN211911476U (en) | 2020-11-13 |
Family
ID=73330999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020114593.5U Active CN211911476U (en) | 2020-01-19 | 2020-01-19 | Multi-motor dust collector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211911476U (en) |
| WO (1) | WO2021143136A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4559812B2 (en) * | 2004-10-01 | 2010-10-13 | 株式会社東芝 | Electric blower |
| JP4952061B2 (en) * | 2006-05-29 | 2012-06-13 | パナソニック株式会社 | Electric blower and electric vacuum cleaner using the same |
| CN103654614B (en) * | 2012-09-11 | 2016-11-02 | 天佑电器（苏州）有限公司 | Vacuum cleaner |
| CN103654615B (en) * | 2012-09-11 | 2017-05-10 | 天佑电器（苏州）有限公司 | Dust collector |
| CN203576419U (en) * | 2013-10-31 | 2014-05-07 | 吉凯企业股份有限公司 | Dust collector with series connection suction |
| CN108903805B (en) * | 2018-08-17 | 2023-07-04 | 莱克电气股份有限公司 | Motor base for self-cleaning type HEPA dust collector |
-
2020
- 2020-01-19 CN CN202020114593.5U patent/CN211911476U/en active Active
- 2020-08-25 WO PCT/CN2020/111028 patent/WO2021143136A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021143136A1 (en) | 2021-07-22 |
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