CN208481213U - Dust exhaust apparatus and dust catcher - Google Patents
Dust exhaust apparatus and dust catcher Download PDFInfo
- Publication number
- CN208481213U CN208481213U CN201721302063.8U CN201721302063U CN208481213U CN 208481213 U CN208481213 U CN 208481213U CN 201721302063 U CN201721302063 U CN 201721302063U CN 208481213 U CN208481213 U CN 208481213U
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- Prior art keywords
- extra large
- motor
- dust
- exhaust apparatus
- bracket
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- 239000000428 dust Substances 0.000 title claims abstract description 106
- 238000001914 filtration Methods 0.000 claims abstract description 44
- 230000005611 electricity Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to household electrical appliance accessory technical field more particularly to a kind of dust exhaust apparatuses and dust catcher.The dust exhaust apparatus includes shell, bracket and dust pocket cavity；Bracket and dust pocket cavity are fixed in shell；Dust pocket cavity is located at the lower section of bracket；Bracket is provided with for installing the through-hole for filtering extra large pa, and through-hole is connected to dust pocket cavity；Bracket is provided at least one and assembles position for installing the extra large pa motor of extra large pa motor.The dust catcher includes the dust exhaust apparatus for filtering extra large pa, extra large pa motor sum；The bracket for filtering extra large pa and dust exhaust apparatus connects；The extra large pa motor of extra large pa motor and dust exhaust apparatus assembles position connection, and the quantity of extra large pa motor and the quantity of extra large pa motor assembly position correspond；Extra large pa is filtered in extra large pa motor driven connection.The purpose of this utility model is to provide dust exhaust apparatus and dust catchers, to solve the technical issues of extra large pa of filtering existing in the prior art causes the suction of dust catcher to decline.
Description
Technical field
The utility model relates to household electrical appliance accessory technical field more particularly to a kind of dust exhaust apparatuses and dust catcher.
Background technique
China's GDP sustained and rapid development, consumer take in sustainable growth, and especially big and medium-sized cities income level of resident is fast
Speed increases, and the living conditions of resident constantly improve.Compound house and large area house are more and more, need of the resident to dust catcher
Ask also increasingly stronger.
Dust catcher has become the small expert of cleaning of many families, convenient, fast, and cleannes are all well and good, it is deep by
Everybody likes.In order to preferably clean, using the extra large pa of filtering in current dust catcher.
Filtering extra large pa is a kind of high efficiency particulate air filter, minimum dust can be blocked, efficiency reaches 99.97%；Due to it
Air permeability is lower, therefore is commonly made to waveform to increase vapor permeation area.Nevertheless, the Air permenbility for filtering extra large pa is still serious
The performance for influencing dust catcher, causes the suction of dust catcher to decline, and then influences the cleaning effect of dust catcher.
Therefore, the application provides a kind of new dust exhaust apparatus and dust catcher regarding to the issue above, so that the shell of dust exhaust apparatus
Body forms the good Air permenbility for matching and merging raising and filtering extra large pa with extra large pa is filtered, and to improve the suction of dust catcher, and then improves
The cleaning effect of dust catcher.
Utility model content
The purpose of this utility model is to provide dust exhaust apparatuses, cause to inhale to solve the extra large pa of filtering existing in the prior art
The technical issues of suction decline of dirt device.
The purpose of this utility model also resides in offer dust catcher, causes to inhale to solve the extra large pa of filtering existing in the prior art
The technical issues of suction decline of dirt device.
Based on above-mentioned first purpose, dust exhaust apparatus provided by the utility model, including shell, bracket and dust pocket cavity；
The bracket and the dust pocket cavity are fixed in the shell；
The dust pocket cavity is located at the lower section of the bracket；
The bracket is provided with for installing the through-hole for filtering extra large pa, and the through-hole is connected to the dust pocket cavity；
The bracket is provided at least one and assembles position for installing the extra large pa motor of extra large pa motor.
The optimal technical scheme of the utility model is that the sea pa motor assembly position is extra large pa motor groove；The sea pa
The shape of motor groove and the shape of extra large pa motor are adapted.
The optimal technical scheme of the utility model is to be fixedly installed in the shell with the extra large pa motor groove one by one
Corresponding sea pa motor fixed link；The sea pa motor fixed link is for connecting extra large pa motor.
The optimal technical scheme of the utility model is that the sea pa motor fixed link is located at the slot of the extra large pa motor groove
At mouthful or the extra large pa motor fixed link is located at except the notch of the extra large pa motor groove.
The optimal technical scheme of the utility model is that the sea pa motor fixed link is in step type, institute along the axial direction of itself
The biggish one end of extra large pa motor fixed link cross-sectional area is stated to be fixedly connected with the shell.
The optimal technical scheme of the utility model is that the bracket is provided with multiple for installing the filter screen of filtering screen
Cover pilot hole；
Multiple filtering screen pilot holes are uniformly arranged along the circumferential direction of the through-hole.
The optimal technical scheme of the utility model is that the upper surface of the bracket is arranged in the sea pa motor assembly position.
The optimal technical scheme of the utility model is that the quantity of the sea pa motor assembly position is multiple, multiple seas
Pa motor assembly position is uniformly arranged along the circumferential direction of the through-hole.
Based on above-mentioned second purpose, dust catcher provided by the utility model, including filtering extra large pa, extra large pa motor and described
Dust exhaust apparatus；
The extra large pa of the filtering is connect with the bracket of the dust exhaust apparatus；
The extra large pa motor assembly position of sea pa motor and the dust exhaust apparatus connect, and the quantity of the sea pa motor and
The quantity of the sea pa motor assembly position corresponds；
The sea pa motor driven connects the extra large pa of the filtering.
The optimal technical scheme of the utility model is that the extra large pa of the filtering is provided with teeth ring；
The output end of the sea pa motor is provided with the gear being meshed with the teeth ring.
The utility model has the beneficial effects that
Dust exhaust apparatus provided by the utility model, including shell, bracket and dust pocket cavity, are provided with by bracket and are used for
The through-hole of extra large pa is filtered in installation and bracket is provided at least one and assembles position for installing the extra large pa motor of extra large pa motor, with
Making to filter extra large pa and Hai Pa motor may be mounted in shell so that filter extra large pa being rotated by extra large pa motor,
To improve the Air permenbility for filtering extra large pa, and then increase the suction of dust catcher, it is ensured that the cleaning effect of dust catcher.
Dust catcher provided by the utility model, by the way that extra large pa motor, and extra large pa motor driven mistake are fixedly mounted in shell
Extra large pa rotation is filtered, to improve the Air permenbility for filtering extra large pa, and then increases the suction of dust catcher, it is ensured that the cleaning effect of dust catcher.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the first angle structural schematic diagram of the dust exhaust apparatus that provides of the utility model embodiment one (and was shown
Filter extra large pa and extra large pa motor)；
Fig. 2 is that the second angle structural schematic diagram of the dust exhaust apparatus that provides of the utility model embodiment one (and was shown
Filter extra large pa and extra large pa motor)；
Fig. 3 is the third angle structural schematic diagram for the dust exhaust apparatus that the utility model embodiment one provides；
Fig. 4 is the fourth angle structural schematic diagram for the dust exhaust apparatus that the utility model embodiment one provides；
Fig. 5 is the of the extra large pa of filtering of the dust catcher that provides of the utility model embodiment two and the meshing state of extra large pa motor
One angled arrangement schematic diagram；
Fig. 6 is the of the extra large pa of filtering of the dust catcher that provides of the utility model embodiment two and the meshing state of extra large pa motor
Two angled arrangement schematic diagrames；
Fig. 7 is the of the extra large pa of filtering of the dust catcher that provides of the utility model embodiment two and the meshing state of extra large pa motor
Three angle structural schematic diagrams.
Icon: 100- shell；110- bracket；111- through-hole；The sea 112- pa motor assembles position；The assembly of 113- filtering screen
Hole；120- dust pocket cavity；The sea 130- pa motor fixed link；200- filters extra large pa；210- teeth ring；The sea 300- pa motor；
310- gear；400- induced-draught electric motor assembly cavity；500- handle cavity；600- power supply unit reservoir body.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
Shown in referring to figures 1-4, a kind of dust exhaust apparatus is present embodiments provided；Fig. 1-Fig. 4 the utility model embodiment mentions
The first angle structural schematic diagram of the dust exhaust apparatus of confession is to fourth angle structural schematic diagram；Wherein, Fig. 1 and Fig. 2 shows filtering
Extra large pa and extra large pa motor.
Shown in referring to figures 1-4, dust exhaust apparatus provided in this embodiment is suitable for dust catcher, is particularly suitable for hand-held
Dust catcher.
The dust exhaust apparatus includes shell 100, bracket 110 and dust pocket cavity 120；Bracket 110 and dust pocket cavity 120
It is fixed in shell 100.
Dust pocket cavity 120 is located at the lower section of bracket 110, for collecting dust.Optionally, bracket 110 and shell 100 can
Dismounting is fixedly connected；Further, bracket 110 with shell 100 threadedly, snap connection mode etc. and connect.
Bracket 110 is provided with for installing the through-hole 111 for filtering extra large pa 200, and through-hole 111 and dust pocket cavity 120 connect
It is logical；
Bracket 110 is provided at least one and assembles position 112 for installing the extra large pa motor of extra large pa motor 300.Extra large pa motor
Assembling position 112 for example can be 1,2,3,5,6 etc..Optionally, extra large pa motor 300 is axially perpendicular to through-hole
111 axial direction.
Dust exhaust apparatus described in the present embodiment, including shell 100, bracket 110 and dust pocket cavity 120, pass through bracket 110
It is provided with and is provided at least one for installing extra large pa motor for installing the through-hole 111 for filtering extra large pa 200 and bracket 110
300 extra large pa motor assembles position 112, so that filtering extra large pa 200 and Hai Pa motor 300 may be mounted in shell 100, so that mistake
Filter extra large pa 200 being rotated by extra large pa motor 300, to improve the Air permenbility for filtering extra large pa 200, and then increase dust suction
The suction of device, it is ensured that the cleaning effect of dust catcher.
In existing dust catcher, especially in hand-held cleaners, it is not provided with the sea for being able to drive and filtering extra large pa rotation
Pa motor leads to the fixed bit for not having reserved extra large pa motor in shell.The present embodiment is by bracket 110 and is arranged in bracket 110
On extra large pa motor assemble position 112, with the fixed bit of reserved extra large pa motor 300, so that extra large pa motor 300 can be fixedly mounted on
In shell 100, and then the extra large driving of pa motor 300 may be implemented and filter the extra large rotation of pa 200.
In the optinal plan of the present embodiment, the upper surface of bracket 110 is arranged in extra large pa motor assembly position 112；Or extra large pa
The lower surface of bracket 110 is arranged in motor assembly position 112.
In the optinal plan of the present embodiment, extra large pa motor assembly position 112 is extra large pa motor groove；The shape of extra large pa motor groove
The shape of shape and extra large pa motor 300 is adapted.Namely extra large pa motor 300 is cuboid, the shape of groove be also cuboid or
The section of groove is rectangle；Extra large pa motor 300 is cylindrical body, and the shape of groove is also that the section of cylindrical body or groove is arc
Shape.It is adapted by the shape of extra large pa motor groove and the shape of extra large pa motor 300, in order to which extra large pa motor 300 is preferably solid
It is scheduled in extra large pa motor groove.
It should be noted that extra large pa motor groove can be located at the top of bracket 110, can also be located under bracket 110
Side；Preferably, extra large pa motor groove is located at the top of bracket 110, in order to which extra large pa motor groove preferably fixes extra large pa motor
300。
It will be appreciated by persons skilled in the art that extra large pa motor assembly position 112 can also be other structures；Such as it can be with
The screw-nut structure etc. of fixed sea pa motor 300.
In the optinal plan of the present embodiment, it is fixedly installed in shell 100 and extra large pa motor groove extra large pa correspondingly
Motor fixed link 130；Extra large pa motor fixed link 130 is for connecting extra large pa motor 300.By extra large pa motor fixed link 130 with jail
Gu fixed sea pa motor 300；The fixed extra large pa motor of the cooperation of position 112 is assembled by extra large pa motor fixed link 130 and extra large pa motor
300, so that extra large pa motor 300 is firmly fixed in shell 100, extra large 200 turns of pa is filtered in order to which extra large pa motor 300 drives
It is dynamic.Optionally, extra large pa motor fixed link 130 is used for grafting sea pa motor 300.
Optionally, extra large pa motor fixed link 130 is located at the notch of extra large pa motor groove, or extra large pa motor fixed link
130 are located at except the notch of extra large pa motor groove.
Optionally, extra large pa motor fixed link 130 is along the axial direction of itself in step type, extra large 130 cross section of pa motor fixed link
The biggish one end of product is fixedly connected with shell 100.By the stepped extra large pa motor fixed link 130 of setting, so that extra large pa motor
300 can be plugged on extra large 130 lesser one end of cross-sectional area of pa motor fixed link, and then keep extra large pa motor fixed link 130 transversal
The biggish one end of area can make extra large pa motor 300 and the inner wall of shell 100 be reserved with spacing appropriate, to avoid extra large pa
When motor 300 works, shell 100 is damaged.
Further, extra large pa motor fixed link 130 includes the first extra large pa motor fixed part being connected along the axial direction of itself
With the second extra large pa motor fixed part；The cross-sectional area of first extra large pa motor fixed part is greater than the transversal of the second extra large pa motor fixed part
Area；One end far from the second extra large pa motor fixed part of first extra large pa motor fixed part is fixedly connected with the inner wall of shell 100,
Second extra large pa motor fixed part is used for grafting sea pa motor 300.
In the optinal plan of the present embodiment, bracket 110 is provided with multiple filtering screen assembly for installing filtering screen
Hole 113；By filtering screen pilot hole 113 in order to installing filtering screen.
Optionally, multiple filtering screen pilot holes 113 are uniformly arranged along the circumferential direction of through-hole 111.
In the optinal plan of the present embodiment, the quantity of extra large pa motor assembly position 112 is multiple, multiple sea pa motors assembly positions
112 are uniformly arranged along the circumferential direction of through-hole 111.
Optionally, extra large pa motor assembly position 112 and the interval of filtering screen pilot hole 113 are arranged.
Embodiment two
Embodiment two provides a kind of dust catcher, which includes dust exhaust apparatus described in embodiment one, embodiment one
The technical characteristic of disclosed dust exhaust apparatus is also applied for the embodiment, the technical characteristic of the published dust exhaust apparatus of embodiment one
It is not repeated to describe.
The of the meshing state of the extra large pa of filtering and extra large pa motor of Fig. 5-Fig. 7 dust catcher provided by the embodiment of the utility model
One angled arrangement schematic diagram is to third angle structural schematic diagram.
To save length, the improvement feature of the embodiment equally embodies in Figs. 1-4, therefore, in conjunction with Fig. 1-Fig. 4 to this
The scheme of embodiment is illustrated.
It referring to Fig. 5-Fig. 7 and combines shown in Fig. 1-Fig. 4, dust catcher provided in this embodiment, including filters extra large pa 200, sea
Pa motor 300 and dust exhaust apparatus.
Extra large pa 200 is filtered to connect with the bracket 110 of dust exhaust apparatus；
Extra large pa motor 300 is connect with the extra large pa motor of dust exhaust apparatus assembly position 112, and the quantity of extra large pa motor 300 is little
Quantity in extra large pa motor assembly position 112.Preferably, the quantity one of the quantity of extra large pa motor 300 and extra large pa motor assembly position 112
One is corresponding；Namely extra large pa motor assembly position 112, when being 3, the quantity of extra large pa motor 300 is also 3.
Extra large pa motor 300, which is drivingly connected, filters extra large pa 200.
Optionally, the dust catcher further includes induced-draught electric motor assembly cavity 400, handle cavity 500 and power supply unit reservoir body
600, handle cavity 500 is connected with induced-draught electric motor assembly cavity 400 and power supply unit reservoir body 600 respectively.Induced-draught electric motor assembly cavity
400 for installing fixed induced-draught electric motor；Power supply unit reservoir body 600 is for installing the power supply units such as fixed battery.
Optionally, extra large pa motor 300 and extra large pa motor assembly position 112 using glue sticking, screw connect, be clamped at least
A kind of connection type.
Dust catcher described in the present embodiment, by the way that extra large pa motor 300, and extra large pa motor 300 are fixedly mounted in shell 100
Driving is filtered extra large pa 200 and is rotated, and to improve the Air permenbility for filtering extra large pa 200, and then increases the suction of dust catcher, it is ensured that dust catcher
Cleaning effect.
In the optinal plan of the present embodiment, filters extra large pa 200 and be provided with teeth ring 210；
The output end of extra large pa motor 300 is provided with the gear 310 being meshed with teeth ring 210.When extra large pa motor 300 works
When, gear 310 is rotated synchronously with the output end of extra large pa motor 300, and then the teeth ring 210 engaged with gear 310 is driven to rotate,
And then make to filter extra large pa 200 with the synchronous rotation of teeth ring 210.
Optionally, axial direction rotation of the extra large pa 200 around through-hole 111 is filtered.
Optionally, the teeth of the teeth of gear 310 and teeth ring 210 are skewed tooth structures so that gear 310 with
210 meshing performance of teeth ring is more stable.Optionally, the axial direction for being axially perpendicular to gear 310 of teeth ring 210.
Dust catcher described in the present embodiment has the advantages that dust exhaust apparatus described in embodiment one, institute disclosed in embodiment one
Other advantages for stating dust exhaust apparatus are not repeated to describe herein.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of dust exhaust apparatus, which is characterized in that including shell, bracket and dust pocket cavity；The bracket and the dust pocket
Cavity is fixed in the shell；
The dust pocket cavity is located at the lower section of the bracket；
The bracket is provided with for installing the through-hole for filtering extra large pa, and the through-hole is connected to the dust pocket cavity；
The bracket is provided at least one and assembles position for installing the extra large pa motor of extra large pa motor.
2. dust exhaust apparatus according to claim 1, which is characterized in that the sea pa motor assembly position is that extra large pa motor is recessed
Slot；The shape of the sea pa motor groove and the shape of extra large pa motor are adapted.
3. dust exhaust apparatus according to claim 2, which is characterized in that be fixedly installed in the shell and the extra large pa electricity
Machine groove extra large pa motor fixed link correspondingly；The sea pa motor fixed link is for connecting extra large pa motor.
4. dust exhaust apparatus according to claim 3, which is characterized in that the sea pa motor fixed link is located at the extra large pa electricity
At the notch of machine groove or the extra large pa motor fixed link is located at except the notch of the extra large pa motor groove.
5. dust exhaust apparatus according to claim 3, which is characterized in that the sea pa motor fixed link along the axial direction of itself is in
Step type, described sea biggish one end of pa motor fixed link cross-sectional area are fixedly connected with the shell.
6. dust exhaust apparatus according to claim 1, which is characterized in that the bracket is provided with multiple for installing filter screen
The filtering screen pilot hole of cover；
Multiple filtering screen pilot holes are uniformly arranged along the circumferential direction of the through-hole.
7. dust exhaust apparatus according to claim 1, which is characterized in that the sea pa motor assembly position is arranged in the bracket
Upper surface.
8. dust exhaust apparatus according to claim 1, which is characterized in that it is described sea pa motor assembly position quantity be it is multiple,
Multiple extra large pa motor assembly positions are uniformly arranged along the circumferential direction of the through-hole.
9. a kind of dust catcher, which is characterized in that including filtering extra large pa, extra large pa motor and the described in any item suctions of claim 1-8
Dirt device；
The extra large pa of the filtering is connect with the bracket of the dust exhaust apparatus；
The extra large pa motor assembly position of sea pa motor and the dust exhaust apparatus is connect, and the quantity of the sea pa motor with it is described
The quantity of extra large pa motor assembly position corresponds；
The sea pa motor driven connects the extra large pa of the filtering.
10. dust catcher according to claim 9, which is characterized in that the extra large pa of the filtering is provided with teeth ring；
The output end of the sea pa motor is provided with the gear being meshed with the teeth ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721302063.8U CN208481213U (en) | 2017-10-10 | 2017-10-10 | Dust exhaust apparatus and dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721302063.8U CN208481213U (en) | 2017-10-10 | 2017-10-10 | Dust exhaust apparatus and dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208481213U true CN208481213U (en) | 2019-02-12 |
Family
ID=65254919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721302063.8U Active CN208481213U (en) | 2017-10-10 | 2017-10-10 | Dust exhaust apparatus and dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208481213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116158694A (en) * | 2022-12-27 | 2023-05-26 | 苏州市春菊电器有限公司 | Dust cup of dust collector with self-cleaning function |
-
2017
- 2017-10-10 CN CN201721302063.8U patent/CN208481213U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116158694A (en) * | 2022-12-27 | 2023-05-26 | 苏州市春菊电器有限公司 | Dust cup of dust collector with self-cleaning function |
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Address after: 7-605, 6th floor, building 1, yard a, Guanghua Road, Chaoyang District, Beijing 100026 Patentee after: Beijing dog vacuum cleaner Group Co.,Ltd. Address before: 100101 6, 1 building, 169 Beiyuan Road, Chaoyang District, Beijing. Patentee before: PUPPY ELECTRONIC APPLIANCES INTERNET TECHNOLOGY (BEIJING) Co.,Ltd. |