CN209714531U - A kind of deduster with self-cleaning function - Google Patents
A kind of deduster with self-cleaning function Download PDFInfo
- Publication number
- CN209714531U CN209714531U CN201822080033.8U CN201822080033U CN209714531U CN 209714531 U CN209714531 U CN 209714531U CN 201822080033 U CN201822080033 U CN 201822080033U CN 209714531 U CN209714531 U CN 209714531U
- Authority
- CN
- China
- Prior art keywords
- filter
- filtering chamber
- strainer
- high pressure
- suction
- 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.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 34
- 238000001914 filtration Methods 0.000 claims abstract description 58
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 37
- 238000013517 stratification Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model provides a kind of deduster with self-cleaning function, is equipped with the filter including strainer in filtering chamber；On the wall surface that filtering chamber is located at the upstream of the strainer, equipped at least one suction inlet outside connection, the proximal end of suction pipe is connected to the suction inlet；The distal end connection of suction pipe is used for the suction nozzle of draw outside gas, constitutes the first air duct in the upstream of the strainer；The air inlet of exhaust fan connects the negative pressure mouth on filter by negative tube, constitutes the second air duct；Negative pressure mouth is located at the downstream of strainer；High pressure gas holder is additionally provided in the filtering chamber, the high pressure gas holder is connected to the high-pressure mouth on the filter by high-pressure air pipe, the high-pressure mouth is located at the downstream of the strainer, high pressure gas holder, use filter described in high pressure gas blowback, strainer is subjected to automatically cleaning, therefore the effect that can repeatedly use the filter can be obtained, reduces replacement filter bring pollution.
Description
Technical field
The utility model relates to factory air purification techniques field more particularly to a kind of dedustings with self-cleaning function
Device.
Background technique
Deduster is widely used in the cleaning of various places, and in general, deduster has generally included exhaust fan, filtering
Device and dust stratification bucket.Filter is arranged in be fastened in the confined space formed by exhaust fan and dust stratification bucket.In general, by the outer of exhaust fan
The upper limb of edge, the outer rim of filter and dust stratification bucket is successively overlapped, assembles and is compressed along axial direction, thus dust is effectively prevent to leak.
The deduster in workshop, suction nozzle are fixed near station, are directly inhaled to dust raised on station etc.
It is attached and filter, specifically, such as it is easy to produce dust in sanding operation, influences the respiratory health of operator, so that it may will
Suction nozzle is fixed near sanding operation platform, and the suction inlet on suction nozzle faces the sanding operation platform, directly raising in sanding operation
Dust suck deduster, filtered using filter, adsorb dust or dust therein, filtered clean air is by again
Drain back into workshop.
Therefore filter core in filter is easy for accumulation dust or dust, accumulation is more, just will affect passing through for air-flow, from
And influence the effect of filtering and absorption, it is necessary to remove the dust or dust accumulated thereon.Deduster used at present, mostly
All be using disposable element because at present used in filter core be a filter bag mostly, using manually on filter bag
The dust or dust gathered is cleaned and is collected, it is easy to be caused dust or dust to fly upward again, be influenced the strong of operator
Health.But using disposable element, one increases the cost of filter core, and two come in the case where deduster is not opened, often not
Judge whether filter has had accumulated enough dust well, if filter core should be replaced.
Therefore, the prior art needs to improve.
Utility model content
It is needed to be replaced frequently in view of filter core in above-mentioned existing deduster technology, and be easy to cause dust to fly when replacement filter core
The defect raised, the purpose of this utility model is to provide a kind of dedusters with self-cleaning function.
The technical solution of the utility model is as follows:
The utility model discloses a kind of dedusters with self-cleaning function, including exhaust fan, filtering chamber and suction pipe；Its
In, the filter including strainer is equipped in the filtering chamber；It is located at the wall surface of the upstream of the strainer in the filtering chamber
On, equipped at least one suction inlet outside connection, the proximal end of suction pipe is connected to the suction inlet；The distal end of suction pipe is connected for aspirating
The suction nozzle of extraneous gas constitutes the first air duct in the upstream of the strainer；The air inlet of the exhaust fan is connected by negative tube
Negative pressure mouth on the filter constitutes the second air duct；The negative pressure mouth is located at the downstream of the strainer；In the filtering chamber
It is additionally provided with high pressure gas holder, the high pressure gas holder is connected to the high-pressure mouth on the filter, the high pressure by high-pressure air pipe
Mouth is located at the downstream of the strainer.
Preferably, the filter is the column filter core stood in the filtering chamber, during the column filter core includes
Heart air duct and the strainer folded around center air duct with the column of radial arrangement, the negative pressure mouth are set to the centre wind
On one end face in road, it is tightly connected between the center air duct negative pressure mouth periphery and filtering chamber top.
It is highly preferred that the lower end in the center air duct is hanging and is blocked or is covered by the strainer.
It is highly preferred that the high-pressure mouth is located on an end face in the center air duct.
It is further preferred that the high-pressure mouth and the negative pressure mouth are set on the same end face in the center air duct.
Preferably, in the filtering chamber, in the underface of the filter, it is equipped with a detachable or moveable product
Ash-pan.
Preferably, in the filtering chamber, between the region and the filter of the suction inlet direction, it is additionally provided with gear
Plate；Baffle is arranged along filter extending direction, and gap, gap connection are equipped between baffle at least partly periphery and filter chamber locular wall
The region of the suction inlet direction and the filter region.
Preferably, the side of the filtering chamber is provided with chamber opening, is provided in the chamber opening to be opened/closed
Room door.
Preferably, the high pressure gas holder connects the high-pressure air pipe by cleaning switch, and the cleaning switch is used for on-off
High pressure gas.
Preferably, it is provided with the high pressure gas air inlet pipe stretched out outside the filtering chamber on the high pressure gas holder and exhaust gas goes out
Tracheae, the exhaust gas outlet pipe are connected to the bottom of the high pressure gas holder.
It is highly preferred that the high-pressure air pipe is set to the top of the high pressure gas holder.
Preferably, an axis hole is set on the tube wall of the suction pipe or on the tube wall of the suction nozzle, and shaft is from axis hole interpolation
Enter the airflow channel into suction pipe, the part that shaft is located at airflow channel is equipped with the baffle of covering airflow channel；Shaft is located at pipe
Part outside wall is equipped with driving handle.
Preferably, the suction nozzle is equipped with annular fastener towards one end of suction pipe, and one end of the suction pipe towards suction nozzle is equipped with
Annular slot, annular fastener are located in annular slot, and can slide along annular slot, so that the system can turn around central shaft
It is dynamic.
A kind of deduster with self-cleaning function provided by the utility model, by the way that high pressure gas is arranged in filtering chamber
Tank, when needing to clean, the high-pressure mouth in the downstream by being located at the strainer, blown down on the filter using high pressure gas,
And on the inner wall of the filtering chamber, the dirt of accumulation, the inner wall of the filter and the filtering chamber is carried out
Automatically cleaning, therefore the effect that can repeatedly use the filter can be obtained, reduce replacement filter bring pollution, and
And also there is certain environmental protection and economic significance.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of the deduster with self-cleaning function of the utility model.
In figure, 100. exhaust fans, 101. motors, 102. blades, 130. negative tubes, 131. negative pressure mouths, 132. air inlets,
200. filtering chamber, 230. dust stratification disks, 300. filters, 400. high pressure gas holders, 401. exhaust gas outlet pipes, 402. high pressure gas air inlets
Pipe, 430. high-pressure air pipes, 431. high-pressure mouths, 432. baffles, 500. suction pipes, 501. suction inlets, 502. suction pipes switch, 503. suction nozzles.
Specific embodiment
The utility model provides a kind of deduster with self-cleaning function, to make the purpose of this utility model, technical solution
And effect is clearer, clear, referring to the drawings and gives an actual example to the utility model further description.It should be appreciated that
Specific embodiment described herein is only used to explain the utility model, is not used to limit the utility model.
A kind of deduster with self-cleaning function disclosed in the present application, overall structure is as shown in Figure 1, mainly by three portions
It is grouped as, exhaust fan 100 is in bottom, generates the negative pressure gas flow for suction, specially a motor 101 is with movable vane piece 102
Rotation generates negative pressure gas flow, and a filtering chamber 200 of top is connected to by the negative tube 130 that side connects.The mistake
The inside of filter chamber room 200 is equipped with a filter 300, and the filter 300 includes the strainer for being used for filtered airflow.It is described
Filtering chamber 200 is on the wall surface of the upstream of the strainer, equipped at least one suction inlet 501 outside connection, each suction
Mouth 501 connects the proximal end of a suction pipes 500, and the distal end connection of the suction pipe 500 is used for the suction nozzle 503 of draw outside gas, institute
Suction nozzle 503 is stated to aspirate air in air or in plane, being mixed with dust or dust.To in the upper of the strainer
Trip constitutes the first air duct.
And the downstream of the strainer, i.e., the airflow channel between the described filter 300 and the exhaust fan 100 are just constituted
Second air duct.
Specifically, the negative tube 130 is opened on the negative pressure mouth 131 on the filter 300, and the exhaust fan 100 is logical
It crosses and swabbing action is generated to the gas in second air duct, guarantee the air sucked from the suction inlet 501, have passed through
State the filtering of filter 300, and by air dust or dust stay in the side of the strainer, form dirt, be accumulated in institute
State the surface of filter 300.
And work as the build up of dirt to a certain extent, it is necessary to the filter 300 and the filtering chamber 200
Inner wall, carry out automatically cleaning.And in order on filter 300 described in automatically cleaning, and/or together in the filtering chamber 200
On wall surface, the dust or dust that are accumulated in the inside of the filtering chamber 200, at least one high pressure gas holder 400, institute are set
State the high-pressure mouth 431 that high pressure gas holder 400 is connected on the filter 300 by high-pressure air pipe 430.The high-pressure mouth 431
Positioned at the downstream of the strainer.
In general, the filter 300 can be a filter bag with some tension, the filter bag connection is described negative
Mouth 131 is pressed, so that the inner space of the filter bag is connected to second air duct, exterior space then connects first wind
Road.And the tension for guarantee the filter bag when being aspirated by the exhaust fan, remain open configuration, such as by being arranged
Rigid support inside the filter bag is provided.Alternatively, the filter 300 is a tabula in the filtering chamber
Strainer inside 200, the strainer separate the space where the suction inlet 501 and the negative pressure mouth 131 completely.More at one
In good embodiment, as shown in Figure 1, the filter 300 is selected as a column filter core.It is described below all using column filter core as institute
The representative of filter 300 is stated, it is also similar if selecting other kinds of filter 300.
When the filter 300 is selected as column filter core, the column filter core preferably stands on the filtering chamber
In 200.Specifically, the column filter core is included center air duct and is folded around center air duct with the column of radial arrangement
Filter paper, the negative pressure mouth 131 is set on an end face in the center air duct, and two end faces in the center air duct with
It is tightly connected between the filtering chamber 200, i.e., the air in the described filtering chamber 200 can only pass through the column filter core
After filter paper filtering, downstream could be entered from upstream, be pumped out by the exhaust fan 100.
Alternatively, being close between the upper end and the filtering chamber 200 in the center air duct in one more preferably embodiment
Envelope connection, and the lower end in the center air duct is then hanging and is blocked or covered by the strainer.The i.e. described column filter core
Lower end is not in contact with the inner wall to the filtering chamber 200, to increase the flowing of the air in the filtering chamber 200
Property, and increase the space that storage is collected to dirt.
When the filter 300 is selected as column filter core, the high-pressure mouth 431 is set to one of the column filter core
On end face, i.e., the described high-pressure air pipe 430 is opened on an end face in the center air duct.
In one more preferably embodiment, the negative pressure mouth 131 and the high-pressure mouth 431 are set to the column filter core
The same end face, and both facing to another end face of the column filter core.The machine being directly connected to both to be reduced as far as
Meeting prevents high pressure gas to be directly blown out from the negative pressure mouth 131.
Therefore, when the dust or dust that accumulate on the filter 300 reache a certain level, when needing to clean, as long as beating
The cleaning switch between the high pressure gas holder 400 and the high-pressure air pipe 430 is opened, high pressure gas just passes through the high-pressure air pipe
430, it is sent to the high-pressure mouth 431, high pressure washing is carried out to the filter 300, by what is accumulated on the filter 300
Dirt after reversely sweeping away, is collected at the bottom of the filter 300, while also carrying out to the inner wall of the filtering chamber 200
Wash away cleaning.
In one more preferably embodiment, the dirt under being rinsed in the filtering chamber 200 is removed for convenience, in institute
The bottom for stating filtering chamber 200 also sets up a dust stratification disk 230, rinses the dirt got off on the filter 200 for collecting
The movable dust stratification disk 230 of object, especially one, so as to easily take out, empty.
And when being rinsed in order to prevent by high pressure gas, dirt is gone out the suction inlet 501 by the suction pipe 500,
Secondary pollution is caused, in one more preferably embodiment, in the inside of the filtering chamber 200,501 directions of the suction inlet
Between region and the filter 300, a block baffle 432 is also set up.Also, the baffle 432 is set, can also be increased from institute
State suction inlet 501 enter the filtering chamber 200 air, the stroke in the filtering chamber 200, that is, force the air around
The baffle 432 is crossed, passes through the filtering of filter paper on the column filter core from more angles.
When being provided with the baffle 432 and the dust stratification disk 230 simultaneously in the filtering chamber 200, the dust stratification
Disk 230 is preferentially set between the baffle 432 and the filter 300, and is located at the underface of the filter 300.
Because high pressure gas rinses the most of dirt to get off and will all be sheltered from by the baffle 432 when being provided with baffle 432,
Fall within the baffle 432 be right against the filter 300 side filtering chamber 200 bottom.
And the dust stratification disk 230 is taken out for convenience, in one more preferably embodiment, in the filtering chamber 200
Side is most preferably the side of filter 300 described in face, is provided with a chamber opening, and is equipped with a door (figure in room to be opened/closed
In be not shown).In deduster work or when automatically cleaning, the room door is closed, and prevents dust or dust from flying out.And work as
After the completion of automatically cleaning, room door is opened, take out the dust stratification disk 230 and topples over dirt thereon.
Can there be high pressure gas in advance in the high pressure gas holder 400, specifically, be arranged on the high pressure gas holder 400
There are the high pressure gas air inlet pipe 402 and exhaust gas outlet pipe 401 stretched out outside the filtering chamber 200.The high pressure gas air inlet pipe 402
For being filled with high pressure gas into the high pressure gas holder 400.And the exhaust gas outlet pipe 401 is then for emptying the high pressure gas holder
High pressure gas in 400, particularly since steam may be contained in the high pressure gas, and steam may be in the high pressure gas
It liquefies in tank 400, after long-term accumulation, the inner space of the high pressure gas holder 400 will be reduced, influence the storage of high pressure gas,
So needing to be discharged by the exhaust gas outlet pipe 401, therefore 401 preferential attachment of the exhaust gas outlet pipe is in the high pressure gas holder
400 bottom, and the high-pressure air pipe 430 is then set to the top of the high pressure gas holder 400, to guarantee the high pressure gas
In will not carry water droplet secretly, the filter 300 is had an impact.
It because the high pressure gas rinses the filter 300, will be carried out in deduster work,
Therefore between the high pressure gas holder 400 and the high-pressure air pipe 430, it is provided with a cleaning switch, for switching on or off height
It calms the anger body.Also, in another embodiment, the high pressure gas holder 400 is merely possible to the channel of a high pressure gas, high pressure
Gas passes through the high pressure gas holder 400 from the high pressure gas air inlet pipe 402, is directly entered the high-pressure air pipe 430, then by described
High-pressure mouth 431 directly rinses the filter 300.
In one more preferably embodiment, especially when the top of the filtering chamber 200 is equipped with more than one suction inlet
501, that is, when being connected with multiple suction pipes 500, because each suction pipe 501 may not necessarily use simultaneously, therefore in the suction pipe 500
On tube wall or on the tube wall of the suction nozzle 503, need to be arranged a suction pipe switch 502, specifically, the suction pipe switch 502 wraps
It includes the baffle being inserted into inside the suction pipe 500 or the suction nozzle 503 and connect and be located on the outside of the tube wall with the baffle
Switch handle, the switch handle are rotatably connected with the tube wall, so as to rotate the gear by the switch handle
Piece, to the suction pipe 500 carry out block or it is unobstructed.
In conclusion a kind of deduster with self-cleaning function provided by the utility model, by filtering chamber 200
Middle setting high pressure gas holder 400, when needing to clean, the high-pressure mouth 431 in the downstream by being located at the strainer uses high pressure gas
Blow down on the filter 300 and on the inner wall of the filtering chamber 200, the dirt of accumulation, to the filter 300
And the inner wall of the filtering chamber 200 carries out automatically cleaning, therefore the effect that can repeatedly use the filter 300 can be obtained
Fruit reduces replacement 300 bring of filter pollution, and also has certain environmental protection and economic significance.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model
The protection scope that benefit requires.
Claims (10)
1. a kind of deduster with self-cleaning function, which is characterized in that including exhaust fan, filtering chamber and suction pipe；Wherein, described
The filter including strainer is equipped in filtering chamber；On the wall surface that the filtering chamber is located at the upstream of the strainer, it is equipped with
At least one suction inlet outside connection, the proximal end of suction pipe is connected to the suction inlet；The distal end connection of suction pipe is used for draw outside gas
The suction nozzle of body constitutes the first air duct in the upstream of the strainer；The air inlet of the exhaust fan connects the mistake by negative tube
Negative pressure mouth on filter constitutes the second air duct；The negative pressure mouth is located at the downstream of the strainer；It is also set up in the filtering chamber
There is high pressure gas holder, the high pressure gas holder is connected to the high-pressure mouth on the filter by high-pressure air pipe, and the high-pressure mouth is located at
The downstream of the strainer.
2. the deduster according to claim 1 with self-cleaning function, which is characterized in that the filter is stands on
The column filter core in filtering chamber is stated, the column filter core includes center air duct and surround center air duct with radial arrangement
The strainer that folds of column, the negative pressure mouth is set on an end face in the center air duct, center air duct negative pressure mouth week
It is tightly connected between at the top of side and the filtering chamber.
3. the deduster according to claim 2 with self-cleaning function, which is characterized in that the lower end in the center air duct is outstanding
It is empty and blocked or covered by the strainer.
4. the deduster according to claim 1 with self-cleaning function, which is characterized in that in the filtering chamber, in institute
The underface of filter is stated, a detachable or moveable dust stratification disk is equipped with.
5. the deduster according to claim 1 with self-cleaning function, which is characterized in that in the filtering chamber, in institute
It states between the region of suction inlet direction and the filter, is additionally provided with baffle；Baffle is arranged along filter extending direction, and baffle is at least
Gap is equipped between part periphery and filter chamber locular wall, gap is connected to the region and the filter location of the suction inlet direction
Domain.
6. the deduster according to claim 1 with self-cleaning function, which is characterized in that be provided on the high pressure gas holder
High pressure gas air inlet pipe and the exhaust gas outlet pipe outside the filtering chamber are stretched out, the exhaust gas outlet pipe is connected to the high pressure gas
The bottom of tank.
7. the deduster according to claim 1 with self-cleaning function, which is characterized in that on the tube wall of the suction pipe or institute
One axis hole of setting on the tube wall of suction nozzle is stated, shaft is inserted into the airflow channel in suction pipe out of axis hole, and shaft is logical positioned at air-flow
The part in road is equipped with the baffle of covering airflow channel；Shaft is located at the part outside tube wall equipped with driving handle.
8. the deduster according to claim 1 with self-cleaning function, which is characterized in that the suction nozzle towards suction pipe one
End is equipped with annular fastener, and the suction pipe is equipped with annular slot towards one end of suction nozzle, and annular fastener is located in annular slot, and can
It is slided along annular slot, so that the suction nozzle can be rotated around central shaft.
9. the deduster according to claim 2 with self-cleaning function, which is characterized in that the high-pressure mouth and the negative pressure
Mouth is set on the same end face in the center air duct.
10. the deduster according to claim 1 with self-cleaning function, which is characterized in that be arranged on the high pressure gas holder
There are the high pressure gas air inlet pipe and exhaust gas outlet pipe stretched out outside the filtering chamber, the exhaust gas outlet pipe is connected to the high pressure
The bottom of gas tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822080033.8U CN209714531U (en) | 2018-12-11 | 2018-12-11 | A kind of deduster with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822080033.8U CN209714531U (en) | 2018-12-11 | 2018-12-11 | A kind of deduster with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209714531U true CN209714531U (en) | 2019-12-03 |
Family
ID=68676820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822080033.8U Active CN209714531U (en) | 2018-12-11 | 2018-12-11 | A kind of deduster with self-cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209714531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114711659A (en) * | 2022-03-31 | 2022-07-08 | 深圳市倍思科技有限公司 | Cleaning system with self-cleaning function and cleaning method |
-
2018
- 2018-12-11 CN CN201822080033.8U patent/CN209714531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114711659A (en) * | 2022-03-31 | 2022-07-08 | 深圳市倍思科技有限公司 | Cleaning system with self-cleaning function and cleaning method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4112441B2 (en) | Dust collection device | |
| CN100515304C (en) | A vacuum cleaner with a rotatable suction head | |
| US20190125153A1 (en) | Vacuum with integrated filter cleaning device | |
| CN101816536A (en) | Self-cleaning dust-free dust-collecting barrel | |
| CN109692533A (en) | A kind of workshop welding waste gas purification apparatus | |
| CN209714531U (en) | A kind of deduster with self-cleaning function | |
| CN101675871A (en) | Dust collector dust collecting bucket | |
| CN102125411A (en) | Automatic cleaning dust collection device of dust collector | |
| CN218653444U (en) | Dust filtering device | |
| CN209489955U (en) | A kind of anti-jamming mechanism of textile manufacturing weaving dirt collection device | |
| CN209714583U (en) | Cabinet type deduster | |
| CN207430755U (en) | A kind of picture frame cleaning plant | |
| CN113662473A (en) | All-weather uninterrupted dust collector | |
| CN102036594B (en) | Integrated vacuum fan housing | |
| CN209076270U (en) | A kind of ventilating dust-arrester | |
| CN114711678B (en) | Base station and cleaning system | |
| CN212140326U (en) | Novel dust remover | |
| CN209952500U (en) | Dust removal unit suitable for powdery dust and smoke dust | |
| CN201067379Y (en) | Vacuum cleaner with rotatable dust suction nozzle | |
| CN202246723U (en) | Dust collector for removing dust on surface of filter cartridge of air dust catcher | |
| CN208785992U (en) | A kind of workshop air purification device | |
| CN102273982A (en) | Dust collecting device for dust collector | |
| CN221522913U (en) | Air blowing and sucking type cleaning device for spinning machine | |
| CN223351257U (en) | A high-efficiency bag dust collector | |
| CN102450981B (en) | Display for dust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |