CN204909302U - Motor cover structure and dust catcher - Google Patents

Motor cover structure and dust catcher Download PDF

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Publication number
CN204909302U
CN204909302U CN201520565211.XU CN201520565211U CN204909302U CN 204909302 U CN204909302 U CN 204909302U CN 201520565211 U CN201520565211 U CN 201520565211U CN 204909302 U CN204909302 U CN 204909302U
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CN
China
Prior art keywords
motor
motor cover
air
dust catcher
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520565211.XU
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Chinese (zh)
Inventor
牛军营
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Jiangsu Midea Cleaning Appliances Co Ltd
Original Assignee
Midea Group Co Ltd
Jiangsu Midea Cleaning Appliances Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Jiangsu Midea Cleaning Appliances Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201520565211.XU priority Critical patent/CN204909302U/en
Application granted granted Critical
Publication of CN204909302U publication Critical patent/CN204909302U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a motor cover structure and a dust catcher, wherein, motor cover structure includes the motor cover, is located the inside of dust catcher, the motor, the slope is placed in the motor cover, be used for the drive to come from the air current warp of the dirt cup of dust catcher the wind channel of motor cover flows in the external environment condition, wherein, the axle center direction of motor with the horizontal direction of dust catcher forms the angle of inclination, the scope at angle of inclination just is less than or equal to 75 for being more than or equal to 15. Through above technical scheme, the motor slope is placed inside the dust catcher, can abdicate more spaces for the motor cover of dust catcher, simultaneously, and the route of motor when air current after the slope gets into the motor approximate " C " shape for the motor is nearer with the distance of the dirt cup of dust catcher, thereby is convenient for air current from dirt cup entering motor, has reduced the loss of motor suction power.

Description

Motor shield structure and dust catcher
Technical field
The utility model relates to household electrical appliance technical field, in particular to a kind of motor shield structure and a kind of dust catcher.
Background technology
At present, along with the fast development of field of household appliances, people require more and more higher to the operating environment of dust catcher, the noise how reducing dust catcher becomes a present difficult problem, in order to obtain good noise-reduction effect in more existing products, is extended in the air channel of product, so often cause taking up room of dust catcher excessive, inconvenient moving dust collector when making user carry out cleaning operation, so the mobile operation of conveniently user, it is too large that the size of dust catcher should not design.
As shown in Figure 1, arrow wherein specifies air current flow direction to structure of dust collector in correlation technique, and the air channel structure of this dust catcher is traditional air chute structure, and the feature of this air channel structure is exactly motor is vertically place.Its working method is from air inlet inspiration dirt cup by the air draught with dust and rubbish, new clean air draught is produced after extra large handkerchief metre filter, again the air draught after filtration is directly entered motor through air channel, air draught is after motor, exhaust air filter part is directly blowed to, by getting back in outside air after exhaust air filter part by motor air outlet.
But the low frequency in the noise of motor own is not eliminated, and is discharged in outside air with air draught, enters people's ear by the airflow fluctuation of outside air, people is made to hear the noise of dust catcher.
Therefore, how in limited structure space, length is done in air channel, promote dust catcher and suck power, become current problem demanding prompt solution.
Utility model content
The utility model, just based on the problems referred to above, proposes a kind of new technical scheme, in limited structure space, length can be done in air channel, promotes dust catcher and sucks power.
For this reason, an object of the present utility model is to propose a kind of motor shield structure.
Another object of the present utility model is to propose a kind of dust catcher, has above-mentioned motor shield structure.
For achieving the above object, the embodiment of first aspect of the present utility model proposes a kind of motor shield structure, for dust catcher, comprising: motor cover, is positioned at the inside of described dust catcher; Motor, slant setting is in described motor cover, external environment condition is flowed into through the air channel of described motor cover for driving the air-flow from the dirt cup of described dust catcher, wherein, the axis direction of described motor and the horizontal direction of described dust catcher form inclination angle, and the scope at described inclination angle is for being more than or equal to 15 ° and being less than or equal to 75 °.
The motor shield structure of embodiment of the present utility model, comprise motor cover and motor two parts, the axis direction of motor wherein and the horizontal direction of dust catcher form an inclination angle, the scope at this inclination angle is more than or equal to 15 ° and is less than or equal to 75 °, certainly, the number of degrees at this inclination angle also can be other values in addition as required.Pass through technique scheme, motor slant setting is inner at dust catcher, more space can have been abdicated for the motor cover of dust catcher, simultaneously, motor approximate " C " shape of route when air-flow enters motor after tilting, make the distance of the dirt cup of motor and dust catcher nearer, thus be convenient to air-flow and enter motor from dirt cup, reduce the loss that motor sucks power, for motor cover provides more free spaces, realize under the prerequisite seldom taken up room, increase taking up room of the air channel of motor cover, be convenient to eliminate pneumatic noise, thus greatly improve the performance of dust catcher.
According to an embodiment of the present utility model, described motor cover comprises ground floor motor cover and second layer motor cover, described ground floor motor cover covers the outside of described motor, described second layer motor cover is positioned at the outside of described ground floor motor cover, and forms the first air channel with described ground floor motor cover.
The motor shield structure of embodiment of the present utility model, each layer motor cover can play and prevent the air-flow with impurity from directly contacting with motor and damaging the effect of motor.Wherein, the outside covering motor looked for by ground floor motor, and second layer motor cover, in the outside of ground floor motor cover, forms with ground floor motor cover the first air channel that air feed flows through, first air channel is in " U " shape, and air-flow noise in the process passing through the first air channel reduces.
According to an embodiment of the present utility model, one end of described ground floor motor cover is provided with the first air outlet, and described air-flow flows into described first air channel from described first air outlet after described motor.
The motor shield structure of embodiment of the present utility model, the impurity air-flow that dust catcher sucks is inhaled into motor from dirt cup, and the first air outlet again by ground floor motor cover after motor flows into the first air channel.By above technical scheme, the first air outlet provides an entrance entering the first air channel for air-flow, facilitates the air channel that air-flow enters motor cover, to reduce pneumatic noise, improves the experience of user.
According to an embodiment of the present utility model, described motor cover also comprises third layer motor cover, and described third layer motor cover is positioned at the outside of described second layer motor cover, and forms the second air channel with described second layer motor cover.
The motor shield structure of embodiment of the present utility model, each layer motor cover can play and prevent the air-flow with impurity from directly contacting with motor and damaging the effect of motor.Wherein, the outside covering ground floor motor cover looked for by second layer motor, third layer motor cover is in the outside of second layer motor cover, form with second layer motor cover the second air channel that air feed flows through, the second air channel is in " U " shape or " O " shape, and air-flow noise in by the process in the first air channel reduces, then the second air channel is entered, at air-flow by behind the second air channel, the air channel length passed through due to it increases greatly, and its noise can reduce further.
According to an embodiment of the present utility model, the other end of the described air outlet away from described ground floor motor cover of described second layer motor cover is provided with the second air outlet, and described air-flow flows into described second air channel through described second air outlet from described first air channel.
The motor shield structure of embodiment of the present utility model, second air channel is looped around outside the first air channel, the other end of the air outlet away from ground floor motor cover of second layer motor cover has the second air outlet, such as, the left end of ground floor motor cover has the first air outlet, and air-flow flows to right-hand member through the first air outlet from the left end in " U " shape first air channel, and the right-hand member of second layer motor cover has the second air outlet, air-flow can flow out from the second air outlet, enters the 3rd air channel outside second layer motor cover.By this technical scheme, at air-flow by behind the second air channel, the air channel length passed through due to it increases greatly, and its noise can reduce further.
According to an embodiment of the present utility model, described second air outlet place is provided with the first filtration members, for filtering the impurity in described air-flow.
The motor shield structure of embodiment of the present utility model, at air-flow after dirt cup filters first, the first filtration members that the second air outlet place is arranged can impurity further in filtered airflow, plays the effect of dedusting.
According to an embodiment of the present utility model, described motor cover also comprises outsides cover of electric machinery, described outsides cover of electric machinery is positioned at the outside of described third layer motor cover, and forms the 3rd air channel with described third layer motor cover, and the one end in described 3rd air channel is connected with described second air channel.
The motor shield structure of embodiment of the present utility model, also arranges outsides cover of electric machinery in the outside of third layer motor cover, and outsides cover of electric machinery and third layer motor cover form the 3rd air channel, like this, just makes air channel length greatly increase not increasing on the basis taken up room.Pass through technique scheme, the shell of air-flow and dust catcher is kept apart by outsides cover of electric machinery, efficiently avoid air-flow to leak the appearance of situation, simultaneously, realize the air channel length increasing motor cover under the prerequisite seldom taken up room, pneumatic noise is eliminated in the air channel of motor cover, thus greatly improves the performance of dust catcher.
According to an embodiment of the present utility model, the other end in described 3rd air channel is connected to total air outlet of described dust catcher, and described total air outlet is provided with the second filtration members.
According to an embodiment of the present utility model, described total air outlet is also provided with wind deflector.
The motor shield structure of embodiment of the present utility model, air-flow flows out behind the 3rd air channel and can flow out from total air outlet of dust catcher, be provided with the second filtration members and wind deflector at total air outlet place, and the second filtration members is used for filtered airflow again, removes impurity.Wind deflector is used for controlling the direction of air-flow, makes air-flow be discharged into external environment condition steadily.By above technical scheme, more improve the pick-up performance of dust catcher, improve Consumer's Experience.Wherein, the second filtration members can be following arbitrary one or a combination set of: HEPA (HighEfficiencyParticleAir, extra large handkerchief filter), sponge filtration members, pipeline filtration members, bitubular filtration members etc.
The embodiment of second aspect of the present utility model, also proposed a kind of dust catcher, comprising: housing; Dirt cup, is arranged on the inside of described housing; And the motor shield structure according to any one of above-described embodiment, be arranged on the inside of described housing, be connected with described dirt cup.Therefore, this dust catcher has the technique effect identical with the motor shield structure that the utility model first aspect embodiment provides, and does not repeat them here.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows structure of dust collector schematic diagram of the prior art;
Fig. 2 shows according to the dust catcher of an embodiment of the present utility model and the structural representation of motor shield structure thereof;
Fig. 3 shows the block diagram of the dust catcher shown in Fig. 2.
Wherein, the corresponding relation in Fig. 2 and Fig. 3 between Reference numeral and component names is:
1 dust catcher, 11 motor shield structures, 111 motor cover, 1111 ground floor motor cover, 1112 second layer motor cover, 1113 third layer motor cover, 1114 outsides cover of electric machineries, 112 motors, 113 first filtration members, 114 second filtration members, 115 wind deflectors, 12 housings, 13 dirt cups.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
Fig. 2 shows according to the dust catcher of an embodiment of the present utility model and the structural representation of motor shield structure thereof.
As shown in Figure 2, the direction of arrow is wherein the direction of air current flow.Motor shield structure 11 according to an embodiment of the present utility model comprises: comprising: motor cover 111, is positioned at the inside of dust catcher; Motor 112, slant setting is in motor cover 111, external environment condition is flowed into through the air channel of motor cover 111 for driving the air-flow from the dirt cup 13 of dust catcher, wherein, the axis direction of motor 112 and the horizontal direction of dust catcher form inclination angle, and the scope at inclination angle is for being more than or equal to 15 ° and being less than or equal to 75 °.
The motor shield structure 11 of embodiment of the present utility model, comprise motor cover 111 and motor 112 two parts, the axis direction of motor 112 wherein and the horizontal direction of dust catcher form an inclined angle alpha, the scope at this inclination angle is more than or equal to 15 ° and is less than or equal to 75 °, certainly, the number of degrees at this inclination angle also can be other values in addition as required.Pass through technique scheme, motor 112 slant setting is inner at dust catcher, more space can have been abdicated for the motor cover 111 of dust catcher, simultaneously, motor 112 approximate " C " shape of route when air-flow enters motor 112 after tilting, make motor 112 nearer with the distance of the dirt cup 13 of dust catcher, thus be convenient to air-flow and enter motor 112 from dirt cup 13, reduce the loss that motor 112 sucks power, for motor cover 111 provides more free spaces, realize under the prerequisite seldom taken up room, increase taking up room of the air channel of motor cover 111, be convenient to eliminate pneumatic noise, thus greatly improve the performance of dust catcher.
According to an embodiment of the present utility model, motor cover 111 comprises ground floor motor cover 1111 and second layer motor cover 1112, ground floor motor cover 1111 covers the outside of motor 112, second layer motor cover 1112 is positioned at the outside of ground floor motor cover 1111, and forms the first air channel with ground floor motor cover 1111.
The motor shield structure 11 of embodiment of the present utility model, each layer motor cover 111 can play and prevent the air-flow with impurity from directly contacting with motor 112 and damaging the effect of motor 112.Wherein, the outside covering motor 112 looked for by ground floor motor 112, and second layer motor cover 1112, in the outside of ground floor motor cover 1111, forms with ground floor motor cover 1111 the first air channel that air feed flows through, first air channel is in " U " shape, and air-flow noise in the process passing through the first air channel reduces.
According to an embodiment of the present utility model, one end of ground floor motor cover 1111 is provided with the first air outlet, and air-flow flows into the first air channel from the first air outlet after motor 112.
The motor shield structure 11 of embodiment of the present utility model, the impurity air-flow that dust catcher sucks is inhaled into motor 112 from dirt cup 13, and the first air outlet again by ground floor motor cover 1111 after motor 112 flows into the first air channel.By above technical scheme, the first air outlet provides an entrance entering the first air channel for air-flow, facilitates the air channel that air-flow enters motor cover 111, to reduce pneumatic noise, improves the experience of user.
According to an embodiment of the present utility model, motor cover 111 also comprises third layer motor cover 1113, and third layer motor cover 1113 is positioned at the outside of second layer motor cover 1112, and forms the second air channel with second layer motor cover 1112.
The motor shield structure 11 of embodiment of the present utility model, each layer motor cover 111 can play and prevent the air-flow with impurity from directly contacting with motor 112 and damaging the effect of motor 112.Wherein, the outside covering ground floor motor cover 1111 looked for by second layer motor 112, third layer motor cover 1113 is in the outside of second layer motor cover 1112, form with second layer motor cover 1112 the second air channel that air feed flows through, the second air channel is in " U " shape or " O " shape, and air-flow noise in by the process in the first air channel reduces, then the second air channel is entered, at air-flow by behind the second air channel, the air channel length passed through due to it increases greatly, and its noise can reduce further.
According to an embodiment of the present utility model, the other end of the air outlet away from ground floor motor cover 1111 of second layer motor cover 1112 is provided with the second air outlet, and air-flow flows into the second air channel through the second air outlet from the first air channel.
The motor shield structure 11 of embodiment of the present utility model, second air channel is looped around outside the first air channel, the other end of the air outlet away from ground floor motor cover 1111 of second layer motor cover 1112 has the second air outlet, such as, the left end of ground floor motor cover 1111 has the first air outlet, air-flow flows to right-hand member through the first air outlet from the left end in " U " shape first air channel, the right-hand member of second layer motor cover 1112 has the second air outlet, air-flow can flow out from the second air outlet, enters the 3rd air channel outside second layer motor cover 1112.By this technical scheme, at air-flow by behind the second air channel, the air channel length passed through due to it increases greatly, and its noise can reduce further.
According to an embodiment of the present utility model, the second air outlet place is provided with the first filtration members 113, for the impurity in filtered airflow.
The motor shield structure 11 of embodiment of the present utility model, at air-flow after dirt cup 13 filters first, the first filtration members 113 that the second air outlet place is arranged can impurity further in filtered airflow, plays the effect of dedusting.
According to an embodiment of the present utility model, motor cover 111 also comprises outsides cover of electric machinery 1114, and outsides cover of electric machinery 1114 is positioned at the outside of third layer motor cover 1113, and forms the 3rd air channel with third layer motor cover 1113, and the one end in the 3rd air channel is connected with the second air channel.
The motor shield structure 11 of embodiment of the present utility model, in the outside of third layer motor cover 1113, outsides cover of electric machinery 1114 is also set, outsides cover of electric machinery 1114 and third layer motor cover 1113 form the 3rd air channel, like this, just make air channel length greatly increase not increasing on the basis taken up room.Pass through technique scheme, the shell of air-flow and dust catcher is kept apart by outsides cover of electric machinery 1114, efficiently avoid air-flow to leak the appearance of situation, simultaneously, realize the air channel length increasing motor cover 111 under the prerequisite seldom taken up room, pneumatic noise is eliminated in the air channel of motor cover 111, thus greatly improves the performance of dust catcher.
According to an embodiment of the present utility model, the other end in the 3rd air channel is connected to total air outlet of dust catcher, and total air outlet is provided with the second filtration members 114.
According to an embodiment of the present utility model, total air outlet is also provided with wind deflector 115.
The motor shield structure 11 of embodiment of the present utility model, air-flow flows out behind the 3rd air channel and can flow out from total air outlet of dust catcher, is provided with the second filtration members 114 and wind deflector 115, second filtration members 114 and is used for filtered airflow again, remove impurity at total air outlet place.Wind deflector 115 is used for controlling the direction of air-flow, makes air-flow be discharged into external environment condition steadily.By above technical scheme, more improve the pick-up performance of dust catcher, improve Consumer's Experience.Wherein, the second filtration members 114 can be following arbitrary one or a combination set of: HEPA (HighEfficiencyParticleAir, extra large handkerchief filter), sponge filtration members, pipeline filtration members, bitubular filtration members etc.
Fig. 3 shows the block diagram of the dust catcher shown in Fig. 2.
As shown in Figure 3, the dust catcher 1 of embodiment of the present utility model, comprise the motor shield structure 11 according to any one of above-described embodiment, housing 12 and dirt cup 13, motor shield structure 11, dirt cup 13 are arranged on the inside of housing 12, and motor shield structure 11 is connected with dirt cup 13.Therefore, this dust catcher 1 has the technique effect identical with the motor shield structure 11 according to any one of the utility model above-described embodiment, does not repeat them here.
In the utility model, term " first ", " second ", " the 3rd " object only for describing, and instruction or hint relative importance can not be interpreted as; Term " is connected ", " connection " etc. all should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
More than be described with reference to the accompanying drawings the technical solution of the utility model, pass through the technical solution of the utility model, motor slant setting is inner at dust catcher, more space can have been abdicated for the motor cover of dust catcher, meanwhile, motor approximate " C " shape of route when air-flow enters motor after tilting, makes the distance of the dirt cup of motor and dust catcher nearer, thus be convenient to air-flow and enter motor from dirt cup, reduce the loss that motor sucks power.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a motor shield structure, for dust catcher, is characterized in that, comprising:
Motor cover, is positioned at the inside of described dust catcher;
Motor, slant setting is in described motor cover, external environment condition is flowed into through the air channel of described motor cover for driving the air-flow from the dirt cup of described dust catcher, wherein, the axis direction of described motor and the horizontal direction of described dust catcher form inclination angle, and the scope at described inclination angle is for being more than or equal to 15 ° and being less than or equal to 75 °.
2. motor shield structure according to claim 1, it is characterized in that, described motor cover comprises ground floor motor cover and second layer motor cover, described ground floor motor cover covers the outside of described motor, described second layer motor cover is positioned at the outside of described ground floor motor cover, and forms the first air channel with described ground floor motor cover.
3. motor shield structure according to claim 2, is characterized in that, one end of described ground floor motor cover is provided with the first air outlet, and described air-flow flows into described first air channel from described first air outlet after described motor.
4. motor shield structure according to claim 3, is characterized in that, described motor cover also comprises third layer motor cover, and described third layer motor cover is positioned at the outside of described second layer motor cover, and forms the second air channel with described second layer motor cover.
5. motor shield structure according to claim 4, it is characterized in that, the other end of the described air outlet away from described ground floor motor cover of described second layer motor cover is provided with the second air outlet, and described air-flow flows into described second air channel through described second air outlet from described first air channel.
6. motor shield structure according to claim 5, is characterized in that, described second air outlet place is provided with the first filtration members, for filtering the impurity in described air-flow.
7. motor shield structure according to claim 6, it is characterized in that, described motor cover also comprises outsides cover of electric machinery, described outsides cover of electric machinery is positioned at the outside of described third layer motor cover, and forming the 3rd air channel with described third layer motor cover, the one end in described 3rd air channel is connected with described second air channel.
8. motor shield structure according to claim 7, is characterized in that, the other end in described 3rd air channel is connected to total air outlet of described dust catcher, and described total air outlet is provided with the second filtration members.
9. motor shield structure according to claim 8, is characterized in that, described total air outlet is also provided with wind deflector.
10. a dust catcher, is characterized in that, comprising:
Housing;
Dirt cup, is arranged on the inside of described housing; And
Motor shield structure as claimed in any one of claims 1-9 wherein, is arranged on the inside of described housing, is connected with described dirt cup.
CN201520565211.XU 2015-07-30 2015-07-30 Motor cover structure and dust catcher Expired - Fee Related CN204909302U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520565211.XU CN204909302U (en) 2015-07-30 2015-07-30 Motor cover structure and dust catcher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520565211.XU CN204909302U (en) 2015-07-30 2015-07-30 Motor cover structure and dust catcher

Publications (1)

Publication Number Publication Date
CN204909302U true CN204909302U (en) 2015-12-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN204909302U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104983362A (en) * 2015-07-30 2015-10-21 江苏美的清洁电器股份有限公司 Engine cover structure and dust collector
CN106691305A (en) * 2015-07-30 2017-05-24 江苏美的清洁电器股份有限公司 Motor cover structure and vacuum cleaner
US20170188763A1 (en) * 2016-01-04 2017-07-06 Jiangsu Midea Cleaning Appliances Co., Ltd. Handheld vacuum cleaner

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104983362A (en) * 2015-07-30 2015-10-21 江苏美的清洁电器股份有限公司 Engine cover structure and dust collector
CN106691305A (en) * 2015-07-30 2017-05-24 江苏美的清洁电器股份有限公司 Motor cover structure and vacuum cleaner
US20170188763A1 (en) * 2016-01-04 2017-07-06 Jiangsu Midea Cleaning Appliances Co., Ltd. Handheld vacuum cleaner
WO2017117868A1 (en) * 2016-01-04 2017-07-13 江苏美的清洁电器股份有限公司 Handheld dust collector
US9993125B2 (en) * 2016-01-04 2018-06-12 Jiangsu Midea Cleaning Appliances Co., Ltd. Handheld vacuum cleaner
EP3400860A4 (en) * 2016-01-04 2019-08-07 Jiangsu Midea Cleaning Appliances Co., Ltd. Handheld dust collector

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Granted publication date: 20151230

Termination date: 20200730