CN108937723B - Air duct quick switching device for self-cleaning type HEPA dust collector - Google Patents
Air duct quick switching device for self-cleaning type HEPA dust collector Download PDFInfo
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- CN108937723B CN108937723B CN201810942222.3A CN201810942222A CN108937723B CN 108937723 B CN108937723 B CN 108937723B CN 201810942222 A CN201810942222 A CN 201810942222A CN 108937723 B CN108937723 B CN 108937723B
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- air duct
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- rocker arm
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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
- A47L9/20—Means for cleaning 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
Abstract
The invention discloses an air duct quick switching device for a self-cleaning type HEPA dust collector, which comprises: a motor base; and a vent switching mechanism provided in the motor base, wherein the motor base includes: the left motor accommodating chamber and the right motor accommodating chamber are adjacent and are arranged at intervals; a left diversion air duct communicated with the left motor accommodating chamber; and the right diversion air duct is communicated with the right motor accommodating chamber, the left diversion air duct and the right diversion air duct form a certain included angle, so that the left diversion air duct and the right diversion air duct are intersected and communicated at the tail ends of the respective air ducts, an airflow converging chamber is arranged beside the left motor accommodating chamber and the right motor accommodating chamber at intervals, and the vent switching mechanism is positioned in the airflow converging chamber. According to the invention, the air duct switching response speed is improved while the structural compactness and the structural volume and the complexity are improved, so that the cleaning efficiency of the HEPA and the service life of the HEPA are improved, and the invention has wide market application prospect.
Description
Technical Field
The invention relates to the field of dust collectors, in particular to an air duct quick switching device for a self-cleaning type HEPA dust collector.
Background
The working principle of the dust collector is that the motor is used for driving the blades to rotate at high speed, air negative pressure is generated in the sealed shell, the surfaces of objects such as carpets, floors, walls and the like with dust are sucked, and the dust is filtered by the HEPA in the dust-gas separation assembly and collected by the dust collecting barrel after being sucked into the dust-gas separation assembly together with the air, and the filtered clean air is discharged out of the dust collector body.
After the HEPA works for a period of time, a large amount of dust is adsorbed on the surface of one side of the dust collection barrel, and the tiny filter screen holes on the surface of the HEPA can be blocked by a large amount of dust attached to the surface of the HEPA, so that the filter capacity of the HEPA is affected, and the following problems exist in the current dust collector products on the market: on one hand, the existing dust collector lacks a self-cleaning function for the HEPA, and after the HEPA is blocked, the HEPA is beaten to remove scraps after the machine is disassembled, or the HEPA is directly replaced after the machine is disassembled, so that a great amount of cleaning time is spent in any mode, and the replacement cost of consumable materials is directly caused by the later mode; on the other hand, even if the existing dust collector is provided with a self-cleaning function of the HEPA, the adopted electromagnetic relay structure is a mechanical type beating of the HEPA, so that dust on the surface of the HEPA is shaken off into the dust collection barrel, the dust removal mode can not thoroughly clean the dust on the surface of the HEPA, the product structure is complex, and the use cost is high.
Therefore, my department developed a self-cleaning dust collector, it adopts two wind channels and two motors, divide into two with the HEPA, two motors simultaneous workings for half of HEPA is when the dust filtration of forward convulsions, and the HEPA of the other half then carries out the dust removal of blowing reversely, this just needs to use wind channel quick switching device to be used for leading and alternately switching the negative pressure and the air current that two motors produced, makes two half HEPA can alternately remove dust and filter, and current wind channel quick switching device has several problems: firstly, the volume is large and the structure is complex; thirdly, the integration and the guiding of the air duct are complex, so that the wind energy loss of the air duct is overlarge in the switching process, and the problems of high noise, low wind power and the like are caused; finally, hysteresis exists in the reciprocating switching of the air duct, so that the response is slow and the operation sensitivity is low in the actual use process, and the use experience of an operator is reduced.
In view of the foregoing, there is a need for a fast switching device for an air duct of a self-cleaning type HEPA vacuum cleaner, which is capable of solving the above-mentioned problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the air duct rapid switching device for the self-cleaning type HEPA dust collector, which improves the structural compactness, reduces the structural volume and the complexity, reduces the wind energy loss and the working noise of the dust collector in the air duct switching process by carrying out the optimal design on two air ducts, improves the response speed of the air duct switching, further improves the cleaning efficiency of the HEPA and the service life of the HEPA, and has wide market application prospect.
To achieve the above objects and other advantages and in accordance with the purpose of the present invention, there is provided a fast switching device for an air duct of a self-cleaning type vacuum cleaner for a handkerchief, comprising:
a motor base; and
a vent hole switching mechanism arranged in the motor base,
wherein, the motor base includes:
the left motor accommodating chamber and the right motor accommodating chamber are adjacent and are arranged at intervals;
a left diversion air duct communicated with the left motor accommodating chamber; and
the right diversion air duct is communicated with the right motor accommodating chamber, the left diversion air duct and the right diversion air duct form a certain included angle, so that the left diversion air duct and the right diversion air duct are intersected and communicated at the tail ends of the respective air ducts, an airflow converging chamber is arranged beside the left motor accommodating chamber and the right motor accommodating chamber at intervals, and the vent switching mechanism is positioned in the airflow converging chamber.
Preferably, the plane of the bottom walls of the airflow converging chambers is located below the planes of the bottom walls of the left motor accommodating chamber and the right motor accommodating chamber.
Preferably, the junction is formed with an air duct switching channel which is communicated with the left diversion air duct and the right diversion air duct, the air duct switching channel extends into the airflow converging chamber and is separated from the bottom wall of the airflow converging chamber by a certain distance, and the bottom wall of the airflow converging chamber is provided with a left air blowing hole and a right air blowing hole which are communicated with the outside.
Preferably, the vent switching mechanism includes:
a left switching motor and a right switching motor which are adjacent and arranged in parallel;
the first left rocker arm and the second left rocker arm are connected in sequence in a rotating way; and
the first right rocker arm and the second right rocker arm are connected in turn in a rotating way,
the left switching motor and the right switching motor are both positioned right above the airflow converging chamber, the front end of the first left rocker arm is rotationally connected with the power output end of the left switching motor, and the front end of the first right rocker arm is rotationally connected with the power output end of the right switching motor.
Preferably, the tail end of the second left rocker arm penetrates through the left air blowing hole and then is rotationally connected with the left air hole plugging assembly, and the tail end of the second right rocker arm penetrates through the right air blowing hole and then is rotationally connected with the right air hole plugging assembly.
Preferably, the left vent blocking assembly includes:
a third left rocker arm; and
a left front plugging disc and a left rear plugging disc which are respectively fixedly connected with the front end and the rear end of the third left rocker arm,
the tail end of the second left rocker arm is rotationally connected with the left front plugging disc or the left rear plugging disc.
Preferably, the right vent blocking assembly includes:
a third right rocker arm; and
a right front plugging disc and a right rear plugging disc which are respectively fixedly connected with the front end and the rear end of the third right rocker arm,
the right driving fulcrum and the right follow-up fulcrum are respectively arranged near the middle sections of the first right rocker arm and the third right rocker arm, and the tail end of the second right rocker arm is rotationally connected with the right front plugging disc or the right rear plugging disc.
Preferably, a left air extracting chamber and a right air extracting chamber are respectively arranged under the left motor accommodating chamber and the right motor accommodating chamber at intervals, wherein the left air extracting chamber is communicated with the right air extracting chamber, and the left air extracting chamber, the right air extracting chamber and the airflow converging chamber are all arranged at intervals.
Preferably, the bottom wall of the left motor accommodating chamber and the bottom wall of the right motor accommodating chamber are respectively provided with a left vent hole and a right vent hole which lead to the left pumping chamber and the right pumping chamber.
Preferably, the bottom wall of the left extraction chamber and the bottom wall of the right extraction chamber are respectively provided with a left extraction hole and a right extraction hole which are communicated with the outside, the left front sealing disc and the left rear sealing disc are respectively positioned under the left extraction hole and the left extraction hole, the third left rocker arm is driven by the left switching motor to reciprocate around the left follow-up pivot, so that the left front sealing disc and the left rear sealing disc respectively seal the left extraction hole and the left extraction hole in an alternating manner, the right front sealing disc and the right rear sealing disc are respectively positioned under the right extraction hole and the right extraction hole, the third right rocker arm is driven by the right switching motor to reciprocate around the right follow-up pivot, so that the right front sealing disc and the left rear sealing disc respectively seal the right extraction hole and the right extraction hole in an alternating manner, and further the right front sealing disc and the left rear sealing disc respectively seal the right extraction hole:
when the left air suction hole and the right air suction hole are closed, the left air suction hole and the right air suction hole are opened; while
When the left and right air holes are opened, the left and right air holes are closed.
Preferably, the lower opening of the left air suction hole and the lower opening of the right air suction hole are respectively provided with a left sealing lip and a right sealing lip, wherein the left sealing lip is integrally combined with the left air suction hole at the edge of the left air suction hole and vertically extends downwards along the edge of the left air suction hole, and the right sealing lip is integrally combined with the right air suction hole at the edge of the right air suction hole and vertically extends downwards along the edge of the right air suction hole.
Preferably, the duct switching passage includes:
a front wall plate butted with the front side wall of the left diversion air duct and the front side wall of the right diversion air duct; and
a rear wall plate butted with the rear side wall of the left diversion air duct and the rear side wall of the right diversion air duct,
the front wall plate and the rear wall plate are parallel and are separated by a certain distance, a bottom wall plate positioned between the front wall plate and the rear wall plate is arranged at the bottoms of the front wall plate and the rear wall plate, a converging opening is formed in the bottom wall plate, and the converging opening is communicated with the airflow converging chamber.
Preferably, an air duct switching assembly is erected between the front wall plate and the rear wall plate, and the air duct switching assembly comprises:
the left wind shield is used for selectively blocking the tail end of the air duct of the left diversion air duct; and
and the right wind shield is used for selectively blocking the tail end of the air duct of the right diversion air duct.
Compared with the prior art, the invention has the beneficial effects that: the wind energy loss and the working noise of the dust collector in the air duct switching process are reduced by carrying out optimal design on the two air ducts while improving the structural compactness, reducing the structural volume and the complexity, and simultaneously, the response speed of the air duct switching is improved, so that the cleaning efficiency of the HEPA and the service life of the HEPA are improved, and the wind energy loss and the working noise of the dust collector have wide market application prospects.
Drawings
Fig. 1 is a three-dimensional structural view of an air duct quick switching device for a self-cleaning type handkerchief dust collector according to the present invention;
FIG. 2 is a top view of a fast duct switching device for a self-cleaning HEPA vacuum cleaner according to the present invention;
fig. 3 is a left side view of the air duct quick switching device for the self-cleaning type handkerchief dust collector according to the present invention;
FIG. 4 is a three-dimensional structural view of a vent switching mechanism in a rapid switching device for an air duct of a self-cleaning type HEPA vacuum cleaner according to the present invention;
FIG. 5 is a front view of a vent switching mechanism in a quick air duct switching device for a HEPA self-cleaning vacuum cleaner in accordance with the present invention;
FIG. 6 is a left side view of a vent switching mechanism in a quick air duct switching device for a self-cleaning HEPA vacuum cleaner in accordance with the present invention;
FIG. 7 is a three-dimensional structural view of a motor base in the air duct quick switching device for the self-cleaning type HEPA vacuum cleaner according to the present invention;
fig. 8 is a longitudinal sectional view of a motor base at a left motor receiving chamber in the air duct quick switching device for a handkerchief self-cleaning type dust collector according to the present invention;
fig. 9 is a longitudinal sectional view of a motor base at a right motor receiving chamber in the air duct quick switching apparatus for a handkerchief self-cleaning type dust collector according to the present invention;
FIG. 10 is a top view of a motor base in the fast switching device for an air duct of a self-cleaning HEPA vacuum cleaner according to the present invention;
FIG. 11 is a longitudinal cross-sectional view of a fast air duct switching device for a self-cleaning HEPA vacuum cleaner according to the present invention;
FIG. 12 is a three-dimensional mechanical view of the motor base combined with the left motor and the right motor in the air duct quick switching device for the self-cleaning type HEPA dust collector according to the present invention;
FIG. 13 is a three-dimensional view of the left and right windshields in the fast air duct switching device for a self-cleaning HEPA vacuum cleaner according to the present invention in a naturally sagging position when not being pushed by an air flow;
fig. 14 is a three-dimensional structure view of the rapid switching device for the air duct of the self-cleaning type handkerchief dust collector according to the present invention when the right diversion air duct is communicated with the confluence port.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a device for practicing the invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the top-to-bottom dimension, "width" corresponds to the left-to-right dimension, and "depth" corresponds to the front-to-back dimension. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms (e.g., "connected" and "attached") referring to an attachment, coupling, etc., refer to a relationship wherein these structures are directly or indirectly secured or attached to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
Referring to fig. 1 and 2, the air duct quick switching device for a self-cleaning type handkerchief cleaner includes:
a motor base 13; and
a vent switching mechanism 17 provided in the motor base 13,
wherein, motor base 13 includes:
a left motor accommodation chamber 131 and a right motor accommodation chamber 132 disposed adjacently and at intervals;
a left guide air channel 1312 communicating with the left motor accommodation chamber 131; and
the right diversion air duct 1322 is communicated with the right motor accommodating chamber 132, the left diversion air duct 1312 and the right diversion air duct 1322 form a certain included angle, so that the left diversion air duct 1312 and the right diversion air duct 1322 are intersected and communicated at the tail ends of the respective air ducts, an airflow converging chamber 134 is arranged at a distance beside the left motor accommodating chamber 131 and the right motor accommodating chamber 132, and the vent switching mechanism 17 is positioned in the airflow converging chamber 134. In one embodiment, the left air guide channel 1312 and the right air guide channel 1322 form an included angle of 120 °; in another embodiment, the left air guide channel 1312 forms an included angle of 150 ° with the right air guide channel 1322; in yet another embodiment, the left air directing air duct 1312 is angled 180 ° from the right air directing air duct 1322.
Referring to fig. 1 and 2, the left motor housing chamber 131 and the right motor housing chamber 132 are configured to house the motor assembly 16, specifically, the left motor 161 and the right motor 162 are mounted in the left motor housing chamber 131 and the right motor housing chamber 132, exhaust openings of the left motor 161 and the right motor 162 are located at respective bottom surfaces, and an air outlet 1611 of the left motor 161 and an air outlet 1621 of the right motor 162 are located at respective sides of the left motor 161 and the right motor 162, and in a preferred embodiment, the left motor housing chamber 131 and the right motor housing chamber 132 are in circular arc structures, and the left diversion air duct 1312 and the right diversion air duct 1322 are tangent to sidewalls of the left motor housing chamber 131 and the right motor housing chamber 132, respectively, so that air flow extracted from the respective bottom surfaces by the left motor 161 and the right motor 162 is thrown out through the sidewalls of the left motor housing chamber 131 and the air outlet 1621, and finally led out by the left diversion air duct 1312 and the right diversion air duct 1322, respectively.
Referring to fig. 13, a left motor mounting groove 1311 and a right motor mounting groove 1321 are provided in the bottom wall of the motor housing chamber 131 and the bottom wall of the right motor housing chamber 132, respectively.
Further, the plane in which the bottom walls of the airflow converging chamber 134 are located is below the plane in which the bottom walls of the left motor accommodating chamber 131 and the right motor accommodating chamber 132 are located.
Referring to fig. 7 to 14, the junction is formed with an air duct switching channel 135 that communicates with a left air duct 1312 and a right air duct 1322, the air duct switching channel 135 extends into the air flow converging chamber 134 and is spaced from the bottom wall of the air flow converging chamber 134 by a certain distance, and the bottom wall of the air flow converging chamber 134 is provided with a left air vent 1341 and a right air vent 1342 that communicate with the outside.
Referring to fig. 4 to 6, the vent switching mechanism 17 includes:
a left switching motor 171 and a right switching motor 175 disposed adjacently and in parallel;
a first left rocker arm 172 and a second left rocker arm 173 which are connected in turn in rotation; and
a first right rocker arm 176 and a second right rocker arm 177 which are connected in turn in rotation,
wherein, left switch motor 171 and right switch motor 175 are all located directly over air current converging chamber 134, and the front end of first left rocking arm 172 is connected with the power take off of left switch motor 171 in a rotation way, and the front end of first right rocking arm 176 is connected with the power take off of right switch motor 175 in a rotation way.
Referring to fig. 1, 3 and 4, the end of the second left rocker arm 173 is rotatably connected with a left vent blocking assembly through a left gas vent 1341, and the end of the second right rocker arm 177 is rotatably connected with a right vent blocking assembly through a right gas vent 1342.
Further, the left vent blocking assembly includes:
a third left rocker arm 174; and
a left front sealing disc 1741 and a left rear sealing disc 1742 which are respectively fixedly connected with the front end and the rear end of the third left rocker arm 174,
the middle sections of the first left rocker arm 172 and the third left rocker arm 174 are respectively provided with a left driving fulcrum and a left following fulcrum, and the tail end of the second left rocker arm 173 is rotatably connected with a left front plugging disc 1741 or a left rear plugging disc 1742.
Further, the right vent blocking assembly includes:
a third right rocker arm 178; and
a right front blocking disc 1781 and a right rear blocking disc 1782 respectively fixedly connected with the front end and the rear end of the third right rocker arm 178,
the middle sections of the first right rocker arm 176 and the third right rocker arm 178 are respectively provided with a right driving fulcrum and a right follow-up fulcrum, and the tail end of the second right rocker arm 177 is rotationally connected with a right front plugging disc 1781 or a right rear plugging disc 1782.
Referring to fig. 8, 9 and 11, a left suction chamber 133 and a right suction chamber 136 are separately provided right below the left motor housing chamber 131 and the right motor housing chamber 132, wherein the left suction chamber 133 is communicated with the right suction chamber 136, and the left suction chamber 133 and the right suction chamber 136 are separately provided with the airflow converging chamber 134.
Further, the bottom wall of the left motor housing chamber 131 and the bottom wall of the right motor housing chamber 132 are provided with left and right ventilation holes 1311a and 1321a leading to the left and right pumping chambers 133 and 136, respectively.
Referring to fig. 1 to 3, the bottom wall of the left extraction chamber 133 and the bottom wall of the right extraction chamber 136 are respectively provided with a left extraction hole 1331 and a right extraction hole 1361 which are communicated with the outside, a left front sealing disc 1741 and a left rear sealing disc 1742 are respectively located right below the left air blowing hole 1341 and the left extraction hole 1331, the third left rocker arm 174 reciprocally rotates around the left follow-up pivot under the driving of the left switching motor 171, so that the left front sealing disc 1741 and the left rear sealing disc 1742 alternately seal the left air blowing hole 1341 and the left extraction hole 1331, the right front sealing disc 1781 and the right rear sealing disc 1782 are respectively located right air blowing hole 1342 and right extraction hole 1361, and the third right rocker arm 178 reciprocally rotates around the right follow-up pivot under the driving of the right switching motor 175, so that the right front sealing disc 1781 and the left rear sealing disc 1782 alternately seal the right air blowing hole 1342 and the right extraction hole 1361, respectively, and the right sealing disc are further made:
when the left suction hole 1331 and the right gas vent 1342 are closed, the left gas vent 1341 and the right suction hole 1361 are opened; while
When the left suction hole 1331 and the right gas vent 1342 are opened, the left gas vent 1341 and the right suction hole 1361 are closed.
Further, the lower opening of the left suction hole 1331 and the lower opening of the right suction hole 1361 are respectively provided with a left sealing lip 1331a and a right sealing lip 1361a, wherein the left sealing lip 1331a integrally joins the left suction hole 1331 at the edge of the left suction hole 1331 and extends vertically downward along the edge of the left suction hole 1331, and the right sealing lip 1361a integrally joins the right suction hole 1361 at the edge of the right suction hole 1361 and extends vertically downward along the edge of the right suction hole 1361.
Referring to fig. 12 to 14, the duct switching passage 135 includes:
a front wall plate 1351 abutting against the front side wall of the left air guide duct 1312 and the front side wall of the right air guide duct 1322; and
a rear wall plate 1352 abutting against the rear side wall of the left air guide duct 1312 and the rear side wall of the right air guide duct 1322,
the front wall plate 1351 and the rear wall plate 1352 are parallel and spaced a certain distance, a bottom wall plate is arranged between the front wall plate 1351 and the rear wall plate 1352, a converging opening 1353 is arranged on the bottom wall plate, and the converging opening 1353 is communicated with the airflow converging chamber 134. Referring to fig. 12, the air flow in the left guide air duct 1312 flows in the direction of arrow a and is introduced into the air flow converging chamber 134 through the converging port 1353; the air flow in the right diversion tunnel 1322 flows in the direction of arrow B and is introduced into the air flow converging chamber 134 through the converging port 1353.
Referring to fig. 13, an air duct switching assembly 18 is erected between a front wall plate 1351 and a rear wall plate 1352, and the air duct switching assembly 18 includes:
a left wind deflector 181 for selectively blocking the air duct end of the left guide air duct 1312; and
a right wind deflector 182 for selectively blocking the air duct ends of the right diversion air duct 1322,
wherein, only the left diversion air channel 1312 is blocked by the left wind shield 181 or the right diversion air channel 1322 is blocked by the right wind shield 182 at the same time.
Further, the left windshield 181 includes:
a left wind deflector body extending vertically downward; and
a left rotating shaft arranged at the top of the left wind shield main body,
the right wind deflector 182 includes:
a right wind deflector body extending vertically downward; and
a right rotating shaft arranged at the top of the right wind shield main body,
wherein, the left rotating shaft and the right rotating shaft are both rotatably connected between the front wall plate 1351 and the rear wall plate 1352.
Referring to fig. 7 and 8, the left air guide duct 1312 has a smaller diameter dimension at its duct end than the spacing between the front wall 1351 and the rear wall 1352 such that the tendency of the left air deflector 181 to rotate inside the left air guide duct 1312 is limited by the left air guide duct 1312.
Further, the right air guide duct 1322 has a smaller caliber dimension at its duct end than the spacing between the front wall 1351 and the rear wall 1352, such that the tendency of the right air deflector 182 to rotate inside the right air guide duct 1322 is limited by the right air guide duct 1322.
Working principle:
referring to fig. 3 and 4, in general, the disposed under the motor base 13 is illustrated by taking the opening of the left air suction hole 1341 and the right air suction hole 1361 as an example when the left air suction hole 1331 and the right air suction hole 1342 are closed, at this time, the left motor 161 and the right motor 162 all draw air under the right motor accommodating chamber 132 through the right air suction hole 1361, the left air guide channel 1312 and the right air guide channel 1322 all generate filtered clean air flow, dust is filtered by the disposed air in the right motor accommodating chamber 132, and the path of the air drawn by the left motor 161 from the right air suction hole 1361 is far longer than the path of the air drawn by the right motor 162 from the right air suction hole 1341, so that the air flow rate in the left air guide channel 1341 is far smaller than the air flow in the right air guide channel 1342, and the right air guide channel 1322 is further rotated leftwards by the influence of continuous air flow in the right air guide channel 1322 until the right air guide channel 1322, and the left air guide board 181 is rotated leftwards by the influence of continuous air flow in the right air guide channel 1322 until the vertical drop state, and the left air guide channel 1312 is carried out, and the dust is sucked into the air guide channel 1312 is carried out, and the air flow is not sucked into the air suction hole 134 is switched from the left air suction hole 1341, and the air hole is then sucked into the air hole 1341, and the air hole is opened, and the air is sucked into the air hole is not sucked into the air hole 134, and the air hole is opened, and the surface is closed, and the air is sucked and the air hole is sucked and the air.
The number of equipment and the scale of processing described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be readily apparent to those skilled in the art.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (13)
1. An air duct quick switching device for a self-cleaning type HEPA dust collector, which is characterized by comprising: a motor base (13); and a vent hole switching mechanism (17) provided in the motor base (13), wherein the motor base (13) includes: a left motor accommodating chamber (131) and a right motor accommodating chamber (132) which are adjacent and are arranged at intervals; a left diversion air duct (1312) communicated with the left motor accommodating chamber (131); the left diversion air duct (1312) and the right diversion air duct (1322) form a certain included angle, so that the left diversion air duct (1312) and the right diversion air duct (1322) are intersected and communicated at the tail ends of the respective air ducts, an airflow converging chamber (134) is arranged at a distance between the left motor accommodating chamber (131) and the side of the right motor accommodating chamber (132), and the vent switching mechanism (17) is positioned in the airflow converging chamber (134);
the left motor accommodating chamber (131) and the right motor accommodating chamber (132) are respectively provided with a left motor (161) and a right motor (162), and exhaust openings of the left motor (161) and the right motor (162) are respectively positioned on the bottom surfaces of the left motor and the right motor.
2. The rapid switching device for an air duct of a handkerchief self-cleaning type vacuum cleaner according to claim 1, characterized in that the plane of the bottom wall of the air flow converging chamber (134) is located below the plane of the bottom walls of the left motor housing chamber (131) and the right motor housing chamber (132).
3. The rapid switching device for the air duct of the self-cleaning type HEPA vacuum cleaner according to claim 2, wherein the air duct switching channel (135) which is communicated with the left diversion air duct (1312) and the right diversion air duct (1322) is formed at the junction, the air duct switching channel (135) extends to the inside of the air flow converging chamber (134) and is separated from the bottom wall of the air flow converging chamber (134) by a certain distance, and the bottom wall of the air flow converging chamber (134) is provided with a left air blowing hole (1341) and a right air blowing hole (1342) which are communicated with the outside.
4. A quick air duct switching device for a self-cleaning hepa cleaner as claimed in claim 3, wherein the vent switching mechanism (17) comprises: a left switching motor (171) and a right switching motor (175) which are adjacent and arranged in parallel; a first left rocker arm (172) and a second left rocker arm (173) which are connected in turn in a rotating manner; and a first right rocker arm (176) and a second right rocker arm (177) which are connected in turn in a rotating way, wherein the left switching motor (171) and the right switching motor (175) are both positioned right above the airflow converging chamber (134), the front end of the first left rocker arm (172) is connected with the power output end of the left switching motor (171) in a rotating way, and the front end of the first right rocker arm (176) is connected with the power output end of the right switching motor (175) in a rotating way.
5. The rapid switching device for an air duct of a self-cleaning type vacuum cleaner for a handkerchief according to claim 4, wherein the end of the second left swing arm (173) is rotatably connected with the left vent blocking assembly after passing through the left air blowing hole (1341), and the end of the second right swing arm (177) is rotatably connected with the right vent blocking assembly after passing through the right air blowing hole (1342).
6. The quick air duct switching device for a self-cleaning hepa cleaner of claim 5, wherein the left vent blocking assembly comprises: a third left rocker arm (174); and a left front plugging disc (1741) and a left rear plugging disc (1742) which are respectively fixedly connected to the front end and the rear end of the third left rocker arm (174), wherein a left driving fulcrum and a left follow-up fulcrum are respectively arranged near the middle sections of the first left rocker arm (172) and the third left rocker arm (174), and the tail end of the second left rocker arm (173) is rotationally connected with the left front plugging disc (1741) or the left rear plugging disc (1742).
7. The quick air duct switching device for a self-cleaning hepa cleaner of claim 6, wherein the right vent blocking assembly comprises: a third right rocker arm (178); and a right front plugging disc (1781) and a right rear plugging disc (1782) which are respectively fixedly connected to the front end and the rear end of the third right rocker arm (178), wherein a right driving fulcrum and a right follow-up fulcrum are respectively arranged near the middle sections of the first right rocker arm (176) and the third right rocker arm (178), and the tail end of the second right rocker arm (177) is rotationally connected with the right front plugging disc (1781) or the right rear plugging disc (1782).
8. The rapid switching device for an air duct of a self-cleaning type vacuum cleaner for a HEPA according to claim 7, wherein a left air extracting chamber (133) and a right air extracting chamber (136) are separately provided under the left motor accommodating chamber (131) and the right motor accommodating chamber (132), respectively, wherein the left air extracting chamber (133) is communicated with the right air extracting chamber (136), and the left air extracting chamber (133) and the right air extracting chamber (136) are separately provided with an air flow converging chamber (134).
9. The rapid switching device for an air duct of a self-cleaning type vacuum cleaner for a handkerchief according to claim 8, wherein the bottom wall of the left motor housing chamber (131) and the bottom wall of the right motor housing chamber (132) are respectively provided with a left air vent hole (1311 a) and a right air vent hole (1321 a) leading to the left suction chamber (133) and the right suction chamber (136).
10. The rapid switching device for an air duct of a self-cleaning type vacuum cleaner as claimed in claim 9, wherein a bottom wall of the left suction chamber (133) and a bottom wall of the right suction chamber (136) are respectively provided with a left suction hole (1331) and a right suction hole (1361) which are communicated with the outside, the left front sealing disc (1741) and the left rear sealing disc (1742) are respectively located right below the left suction hole (1341) and the left suction hole (1331), the third left rocker arm (174) is driven by the left switching motor (171) to reciprocate around the left follow-up pivot so that the left front sealing disc (1741) and the left rear sealing disc (1742) respectively seal the left suction hole (1341) and the left suction hole (1331) alternately, the right front sealing disc (1781) and the right rear sealing disc (1782) are respectively located right suction hole (1342) and right suction hole (1361) directly below the left suction hole (1341), and the third right rocker arm (178) is driven by the right switching motor (175) to reciprocate around the left follow-up pivot so that the right suction hole (1342) is sealed alternately, and the right sealing disc (1782) is further sealed alternately). When the left and right gas-pumping holes (1331, 1342) are closed, the left and right gas-pumping holes (1341, 1361) are opened; when the left and right gas-discharging holes (1331, 1342) are opened, the left and right gas-discharging holes (1341, 1361) are closed.
11. The rapid switching device for an air duct of a self-cleaning type vacuum cleaner for a handkerchief according to claim 10, wherein the lower opening of the left suction hole (1331) and the lower opening of the right suction hole (1361) are respectively provided with a left sealing lip (1331 a) and a right sealing lip (1361 a), wherein the left sealing lip (1331 a) is integrally combined with the left suction hole (1331) at the edge of the left suction hole (1331) and vertically extends downwards along the edge of the left suction hole (1331), and the right sealing lip (1361 a) is integrally combined with the right suction hole (1361) at the edge of the right suction hole (1361) and vertically extends downwards along the edge of the right suction hole (1361).
12. A quick air duct switching device for a self-cleaning hepa cleaner as claimed in claim 3, wherein the air duct switching passage (135) comprises: a front wall plate (1351) which is butted with the front side wall of the left diversion air duct (1312) and the front side wall of the right diversion air duct (1322); and a rear wall plate (1352) which is butted with the rear side wall of the left diversion air duct (1312) and the rear side wall of the right diversion air duct (1322), wherein the front wall plate (1351) is parallel to the rear wall plate (1352) and is spaced a certain distance, the bottoms of the front wall plate (1351) and the rear wall plate (1352) are provided with a bottom wall plate positioned between the front wall plate and the rear wall plate, a converging port (1353) is formed in the bottom wall plate, and the converging port (1353) is communicated with the airflow converging chamber (134).
13. The rapid air duct switching apparatus for a self-cleaning handkerchief vacuum cleaner according to claim 12, wherein an air duct switching assembly (18) is installed between the front wall plate (1351) and the rear wall plate (1352), and the air duct switching assembly (18) comprises: a left wind shield (181) for selectively blocking the air duct end of the left diversion air duct (1312); and a right wind deflector (182) for selectively blocking the wind channel end of the right diversion wind channel (1322).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942222.3A CN108937723B (en) | 2018-08-17 | 2018-08-17 | Air duct quick switching device for self-cleaning type HEPA dust collector |
| PCT/CN2018/112746 WO2020034412A1 (en) | 2018-08-17 | 2018-10-30 | Fast air duct switching device for self-cleaning hepa vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810942222.3A CN108937723B (en) | 2018-08-17 | 2018-08-17 | Air duct quick switching device for self-cleaning type HEPA dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108937723A CN108937723A (en) | 2018-12-07 |
| CN108937723B true CN108937723B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810942222.3A Active CN108937723B (en) | 2018-08-17 | 2018-08-17 | Air duct quick switching device for self-cleaning type HEPA dust collector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108937723B (en) |
| WO (1) | WO2020034412A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236444A (en) * | 2019-05-27 | 2019-09-17 | 艾斯美(苏州)智能科技有限公司 | The dust catcher of energy self-cleaning filter device |
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| CN102106712A (en) * | 2009-12-28 | 2011-06-29 | 乐金电子(天津)电器有限公司 | Self-cleaning structure of cleaner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108937723A (en) | 2018-12-07 |
| WO2020034412A1 (en) | 2020-02-20 |
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