CN107962036A - A kind of dust-extraction unit - Google Patents

A kind of dust-extraction unit Download PDF

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Publication number
CN107962036A
CN107962036A CN201711141750.0A CN201711141750A CN107962036A CN 107962036 A CN107962036 A CN 107962036A CN 201711141750 A CN201711141750 A CN 201711141750A CN 107962036 A CN107962036 A CN 107962036A
Authority
CN
China
Prior art keywords
plug
dust removal
head
removal head
dust
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.)
Withdrawn
Application number
CN201711141750.0A
Other languages
Chinese (zh)
Inventor
刘伟
Original Assignee
刘伟
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 刘伟 filed Critical 刘伟
Priority to CN201711141750.0A priority Critical patent/CN107962036A/en
Publication of CN107962036A publication Critical patent/CN107962036A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04Cleaning by suction, with or without auxiliary action

Abstract

The invention discloses a kind of dust-extraction unit, including body and the dust removal head with body mating connection, it is characterised in that:Left and right is correspondingly arranged on two sliding slots in the body, translot is mutually connected between the bottom of two sliding slots, mutually it is connected between the top of two sliding slots and is installed with chamber, dust removal head fixes safety and stability in the present invention, and dust removal head plug-in stability is good, dust removal head carries out plug-in to dust removal head again after solid lock is first carried out to dust removal head when mounted, dust removal head is unlocked again after first being powered off during dismounting to dust removal head, it effectively prevent and electric shock accidents occurs when mounting and dismounting dust removal head, whole device is easy to operate, repair easy to clean, considerably increase the installation and removal efficiency of dust removal head.

Description

A kind of dust-extraction unit
Technical field
The present invention relates to dedusting technology field, more particularly to a kind of dust-extraction unit.
Background technology
The each dedusting of deduster can all accumulate a certain amount of dust in dust removal head after hours, can cause to remove for a long time Blocked inside dirt head, influence efficiency of dust collection, and a large amount of bacteriums can be grown.Existing dust removal head is mostly fixed connect with duster body Connect, it is difficult to disassemble, the deduster being partly fixed by screw is also that dismounting is inconvenient, and is unfavorable for periodic cleaning maintenance, a small number of The battery plate exposure internally charged after dismantling of removable deduster, easily causes security incident.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of dust-extraction unit, it can solve above-mentioned existing asking in the art Topic.
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of dust-extraction unit of the present invention, including body and the dust removal head that is connected with the body, it is left in the body The right side is correspondingly arranged on two sliding slots, and translot is mutually connected between the bottom of two sliding slots, at the top of two sliding slots Between be mutually connected with and be installed with chamber, left and right is correspondingly arranged on translot described in break-through and extends upwards on the body bottom face two are solid Locked groove, is provided with balladeur train in each sliding slot, the balladeur train include the first slide plate for being connected with the sliding slot neat fit with And the second slide plate being connected with the translot neat fit, the inner side end bottom of second slide plate are provided with first and tiltedly slide Face, is each provided with the first deep gouge in the inside side walls of the sliding slot, is provided with first deep gouge and first slide plate Inner side end is fixedly connected and the first elastic component first slide plate to be pushed up laterally, the outboard end of each sliding slot It is provided with face and the sliding block containing groove that to be installed with chamber opposite, described be installed with chamber is provided with engine, the engine Left and right ends be correspondingly arranged on the screw rod for extending and extending into laterally in the corresponding sliding block containing groove, described The sliding block opposite with the sliding block containing groove is fixedly installed in the end face outside of one slide plate, the screw rod is stretched laterally Long first slide plate described in break-through and the sliding block successively, the screw rod is connected with the first slide plate neat fit, described Screw rod is connected with the sliding block spiral lamination, is set among the translot downside wall between two solid lock grooves Electricity suppl device is equipped with, electricity suppl hole, the dedusting are provided between two solid lock grooves on the body bottom face Left and right is correspondingly arranged on to be inserted into the solid lock plate being connected in the solid lock groove on the end face of the crown, is set in the solid lock plate The eyelet for second slide plate insertion is equipped with, fixation is set on the dust removal head top end face between two solid lock plates The electricity suppl head to be connected with the electricity suppl hole is equipped with, the dust removal head is internally provided with dust absorption fan, the suction It is provided with disposal box at the top of dirt wind turbine, the dust absorption fan top is with communicating setting inside the disposal box, in the disposal box Dust strainer is provided with, control body is connected with the top of the body, the control body surface is provided with control panel, Elongation is provided with Telescopic handle upwards on the control body top, and hand holding handle is provided with the top of the Telescopic handle.
As preferable technical solution, the electricity suppl device includes plug-in and slides chamber, and the plug-in is slided to be moved up and down in chamber Be provided with plug-in block, the plug-in slides left and right on the left and right sides wall of chamber and is correspondingly arranged on the second deep gouge, and the plug-in block is left Left and right is correspondingly arranged on the protrusive board being connected with the second deep gouge neat fit in right both ends of the surface, is provided with second deep gouge It is fixedly connected with the protrusive board lower face and the second elastic component the protrusive board to be pushed up upwards, the plug-in block left and right ends The second oblique sliding surface to the neat fit connection that offsets with the corresponding first oblique sliding surface is correspondingly arranged at the top of face, it is described Left and right is correspondingly arranged on left plug-in head and right plug-in head on plug-in block bottom face, and the plug-in is slided left and right correspondence on the side wall of bottom of chamber and set It is equipped with and the left plug-in head and the opposite left electrical jack of right plug-in head and right electrical jack.
As preferable technical solution, the left electrical jack is electrically connected with electricity suppl portion, the right electrical jack and the electricity Supply orifice electrically connects, and the left plug-in head and the right plug-in head mutually electrically connect, the electricity suppl head and dust removal head electricity Connection.
As preferable technical solution, the slide opening passed through for the screw rod is provided with first slide plate, it is described to push away The threaded hole passed through for the screw rod is provided with sliding block, is provided with the upper and lower ends position of the sliding block end face outside 3rd oblique sliding surface.
The beneficial effects of the invention are as follows:
1. it is connected by the way that solid lock plate is inserted into solid lock groove, so that electricity suppl head is connected with electricity suppl hole, Eyelet is opposite with translot, and sliding block containing groove is skidded off and inside lateral movement, sliding by controlling engine work to drive into sliding block The inside lateral movement of block and promote the first slide plate to overcome the inside Slideslip of the elastic force of the first elastic component so that promote the second slide plate to Interior Slideslip, two inside Slideslips of the second slide plate are then inserted respectively into corresponding eyelet, so that by two solid lock plate solid locks, When the second oblique sliding surface and the first oblique sliding surface mutually offset, pressure is applied to plug-in block by two the second slide plates, so that Plug-in block overcomes the elastic force of the second elastic component and slide downward, when the inner side end of two the second slide plates mutually offsets, two The top end face of the bottom face and plug-in block of a second slide plate offsets, and plug-in block is installed with chamber is slided in plug-in completely at this time, left plug-in Head and right plug-in head are then inserted respectively into left electrical jack and right electrical jack the plug-in that is connected, so that the plug-in of electricity suppl hole Think that dust removal head electricity suppl uses, at this time, dust removal head was both also at solid lock state in plug-in state, so as to add dust removal head Installation effectiveness so that dust removal head fix safety and stability.
2. by holding dust removal head, then by controlling engine work reversion, in the first elastic component and the second elastic component Under the action of so that the present apparatus returns to initial position, solid lock plate is finally extracted from solid lock groove to i.e. achievable dust removal head Dismounting, solid lock plate is finally extracted from solid lock groove to the dismounting that dust removal head can be achieved, so as to add the dismounting of dust removal head Efficiency, the dismounting and change after being damaged easy to dust removal head.
3. dust removal head fixes safety and stability in the present invention, and dust removal head plug-in stability is good, and dust removal head is first right when mounted Dust removal head carries out again carrying out dust removal head plug-in after solid lock, when dismounting first dust removal head is powered off after dust removal head is solved again Lock, effectively prevent and electric shock accidents occurs when mounting and dismounting dust removal head, and whole device is easy to operate, repair cleaning side Just, the installation and removal efficiency of dust removal head is considerably increased.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the partial structural diagram of dust-extraction unit of the present invention;
Fig. 2 is in structure diagram during solid lock state for dust removal head in Fig. 1;
Fig. 3 is the overall structure diagram of dust-extraction unit of the present invention.
Embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Refering to shown in Fig. 1-3, a kind of dust-extraction unit of the invention, including body 2 and be connected with the body 2 Dust removal head 1, left and right is correspondingly arranged on two sliding slots 4 in the body 2, and horizontal stroke is mutually connected between the bottom of two sliding slots 4 Groove 22, is mutually connected between the top of two sliding slots 4 and is installed with chamber 6, and left and right, which is correspondingly arranged on, on 2 bottom face of body wears Lead to the translot 22 and two solid lock grooves 20 extending upwards, be provided with balladeur train in each sliding slot 4, the balladeur train include with First slide plate 42 of 4 neat fit of the sliding slot connection and the second slide plate 41 being connected with 22 neat fit of translot, institute The inner side end bottom for stating the second slide plate 41 is provided with the first oblique sliding surface 43, is provided with the inside side walls of each sliding slot 4 First deep gouge 44, be provided with first deep gouge 44 be fixedly connected with 42 inner side end of the first slide plate and to will described in The first elastic component 45 that first slide plate 42 pushes up laterally, is each provided with the end face outside of the sliding slot 4 and is installed with chamber 6 with described Opposite sliding block containing groove 50, described be installed with chamber 6 are provided with engine 61, and the left and right ends of the engine 61, which correspond to, to be set Be equipped with the screw rod 62 for extending and extending into laterally in the corresponding sliding block containing groove 50, first slide plate 42 it is outer Be fixedly installed the sliding block 48 opposite with the sliding block containing groove 50 on side end face, the screw rod 62 extend laterally according to First slide plate 42 described in secondary break-through and the sliding block 48, the screw rod 62 are connected with 42 neat fit of the first slide plate, The screw rod 62 is connected with 48 spiral lamination of sliding block, the translot 22 between two solid lock grooves 20 Electricity suppl device is provided among downside wall, electricity is provided between two solid lock grooves 20 on 2 bottom face of body Supply orifice 21, left and right is correspondingly arranged on to be inserted into what is be connected in the solid lock groove 20 on 1 top end face of dust removal head Solid lock plate 10, the eyelet 11 for second slide plate 41 insertion is provided with the solid lock plate 10, in two solid lock plates 10 Between electricity suppl head to be connected with the electricity suppl hole 21 is fixedly installed on 1 top end face of dust removal head 12, the dust removal head 1 is internally provided with dust absorption fan 13, and the top of dust absorption fan 13 is provided with disposal box 14, the dust suction 13 top of wind turbine is provided with dust strainer 15, the body 2 with communicating setting inside the disposal box 14 in the disposal box 14 Top is connected with control body 7, and control body 7 surface is provided with control panel 71, control 7 top of body to Upper elongation is provided with Telescopic handle 72, and the top of Telescopic handle 72 is provided with hand holding handle 73.
Wherein, the electricity suppl device includes plug-in cunning chamber 3, and what is moved up and down in the plug-in cunning chamber 3 is provided with plug-in Block 30, the plug-in slide left and right on the left and right sides wall of chamber 3 and are correspondingly arranged on the second deep gouge 36,30 left and right ends of plug-in block Left and right is correspondingly arranged on the protrusive board 35 being connected with 36 neat fit of the second deep gouge on face, is provided with second deep gouge 36 It is fixedly connected with 35 lower face of protrusive board and the second elastic component 37 protrusive board 35 to be pushed up upwards, the plug-in block 30 Be correspondingly arranged at the top of the face of left and right ends to the corresponding first oblique sliding surface 43 offset neat fit connection second Oblique sliding surface 38, left and right is correspondingly arranged on left plug-in first 31 and right plug-in first 32 on 30 bottom face of plug-in block, and the plug-in is slided Left and right is correspondingly arranged on and the left plug-in first 31 and the opposite left electrical jack 33 of right plug-in first 32 and right plug-in on 3 downside wall of chamber Hole 34.
Wherein, the left electrical jack 33 is electrically connected with electricity suppl portion, the right electrical jack 34 and the electricity of electricity suppl hole 21 Connection, the left plug-in first 31 and the right plug-in first 32 mutually electrically connect, the electricity suppl first 12 and 1 Electricity Federation of dust removal head Connect.
Wherein, the slide opening 46 passed through for the screw rod 62 is provided with first slide plate 42, in the sliding block 48 The threaded hole 47 passed through for the screw rod 62 is provided with, is provided with the upper and lower ends position of 48 end face outside of sliding block 3rd oblique sliding surface 49, facilitates 48 quick insertion of sliding block to be retracted into the sliding block and is installed with by the described 3rd oblique sliding surface 49 In groove 50.
In initial position, the engine 61 is in stop working state, and first slide plate 42 is positioned at described The outermost pendant positions of sliding slot 4, the sliding block 48 are located in the corresponding sliding block containing groove 50, first elastic component 45 stretch out outside first deep gouge 44 and are in extended state, and 41 medial end of the second slide plate is stretched into the translot 22 In, 41 inner side end of the second slide plate is flushed with 20 end face outside of solid lock groove at this time, and the plug-in block 30 is described The plug-in is stretched out under the resilient force of two elastic components 37 upwards to slide chamber 3 and extend into the translot 22, described in two Second elastic component 37 is also at extended state, and the second oblique sliding surface 38 is opposite with the described first oblique sliding surface 43, the left plug-in First 31 and right plug-in first 32 it is opposite with the left electrical jack 33 and right electrical jack 34 respectively, the electricity suppl hole 21 is now in breaking Electricity condition.
When needing to install dust removal head 1, first the solid lock plate 10 is aligned with the solid lock groove 20, then pushes up institute State dust removal head 1 so that the solid lock plate 10 is inserted into the solid lock groove 20, when the solid lock plate 10 top end face with it is described solid When the side wall of locked groove 20 offsets, the solid lock plate 10 is just connected with the solid lock groove 20, first 12 of the electricity suppl Just it is connected with the electricity suppl hole 21, the eyelet 11 is opposite with the translot 22, then controls the engine 61 Work rotates, and the work of engine 61 rotation, which is driven into the screw rod 62, to be rotated, and the screw rod 62 is rotated to drive into described and pushed away Sliding block 48 skids off the sliding block containing groove 50 and inside lateral movement, the 48 inside lateral movement of sliding block and promote described first Slide plate 42 overcomes the inside Slideslip of elastic force of first elastic component 45, and the 42 inside Slideslip of the first slide plate then promotes institute 41 inside Slideslip of the second slide plate is stated, two 41 inside Slideslips of the second slide plate are then inserted respectively into the corresponding eyelet In 11, so that by two 10 solid locks of solid lock plate, two second slide plates 41 continue inside Slideslip and cause described the Two oblique sliding surfaces 38 mutually offset with the described first oblique sliding surface 43, so that by two second slide plates 41 to the plug-in block 30 Apply pressure, so that the plug-in block 30 overcomes the elastic force of second elastic component 37 and slide downward, so that The left plug-in first 31 and right plug-in first 32 are slided respectively close to the left electrical jack 33 and right electrical jack 34 when two described second When the inner side end of plate 41 mutually offsets, the engine 61 is controlled to be stopped, first slide plate 42 is positioned at described at this time The most inner side end position of sliding slot 4, the bottom face of two second slide plates 41 and the top end face of the plug-in block 30 offset, at this time The plug-in block 30 is installed with chamber 3 is slided in the plug-in completely, and second elastic component 37 is in compressive state, first bullet Property part 45 be then in by compression in first deep gouge 44, the left plug-in first 31 and first 32 of right plug-in are inserted respectively into described Be connected plug-in in left electrical jack 33 and right electrical jack 34, so that 21 plug-in of electricity suppl hole is with for the dust removal head 1 electricity suppl uses, and at this time, the dust removal head 1 was both also at solid lock state in plug-in state.
When needing to dismantle dust removal head 1, the dust removal head 1 is first held, then by controlling the engine 61 Work reversion so that first slide plate 42 slides into the outermost pendant positions of the sliding slot 4, in 45 He of the first elastic component So that the present apparatus returns to initial position under the action of second elastic component 37, finally by the solid lock plate 10 from described The dismounting that dust removal head 1 can be achieved is extracted in solid lock groove 20.
The beneficial effects of the invention are as follows:
1. it is connected by the way that solid lock plate is inserted into solid lock groove, so that electricity suppl head is connected with electricity suppl hole, Eyelet is opposite with translot, and sliding block containing groove is skidded off and inside lateral movement, sliding by controlling engine work to drive into sliding block The inside lateral movement of block and promote the first slide plate to overcome the inside Slideslip of the elastic force of the first elastic component so that promote the second slide plate to Interior Slideslip, two inside Slideslips of the second slide plate are then inserted respectively into corresponding eyelet, so that by two solid lock plate solid locks, When the second oblique sliding surface and the first oblique sliding surface mutually offset, pressure is applied to plug-in block by two the second slide plates, so that Plug-in block overcomes the elastic force of the second elastic component and slide downward, when the inner side end of two the second slide plates mutually offsets, two The top end face of the bottom face and plug-in block of a second slide plate offsets, and plug-in block is installed with chamber is slided in plug-in completely at this time, left plug-in Head and right plug-in head are then inserted respectively into left electrical jack and right electrical jack the plug-in that is connected, so that the plug-in of electricity suppl hole Think that dust removal head electricity suppl uses, at this time, dust removal head was both also at solid lock state in plug-in state, so as to add dust removal head Installation effectiveness so that dust removal head fix safety and stability.
2. by holding dust removal head, then by controlling engine work reversion, in the first elastic component and the second elastic component Under the action of so that the present apparatus returns to initial position, solid lock plate is finally extracted from solid lock groove to i.e. achievable dust removal head Dismounting, solid lock plate is finally extracted from solid lock groove to the dismounting that dust removal head can be achieved, so as to add the dismounting of dust removal head Efficiency, the dismounting and change after being damaged easy to dust removal head.
3. dust removal head fixes safety and stability in the present invention, and dust removal head plug-in stability is good, and dust removal head is first right when mounted Dust removal head carries out again carrying out dust removal head plug-in after solid lock, when dismounting first dust removal head is powered off after dust removal head is solved again Lock, effectively prevent and electric shock accidents occurs when mounting and dismounting dust removal head, and whole device is easy to operate, repair cleaning side Just, the installation and removal efficiency of dust removal head is considerably increased.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent defines.

Claims (4)

1. a kind of dust-extraction unit, including body and the dust removal head with body mating connection, it is characterised in that:Left and right is right in body Two sliding slots should be provided with, translot is mutually connected between the bottom of two sliding slots, appearance is mutually connected between the top of two sliding slots If chamber, left and right two solid lock grooves being correspondingly arranged on break-through translot and extend upwards on body bottom face, are set in each sliding slot There is balladeur train, balladeur train includes the first slide plate being connected with sliding slot neat fit and the second slide plate being connected with translot neat fit, The inner side end bottom of second slide plate is provided with the first oblique sliding surface, and the first deep gouge is provided with the inside side walls of each sliding slot, the It is provided with and is fixedly connected with the first slide plate inner side end and the first elastic component the first slide plate to be pushed up laterally in one deep gouge, The sliding block containing groove opposite with being installed with chamber is provided with the end face outside of each sliding slot, is installed with chamber and is provided with engine, is sent out The left and right ends of motivation are correspondingly arranged on the screw rod for extending and extending into laterally in corresponding sliding block containing groove, and first slides The sliding block opposite with sliding block containing groove is fixedly installed in the end face outside of plate, screw rod extends break-through successively laterally One slide plate and sliding block, screw rod are connected with the first slide plate neat fit, and screw rod is connected with sliding block spiral lamination, is located at Electricity suppl device is provided among translot downside wall between two solid lock grooves, is located on body bottom face between two solid lock grooves Electricity suppl hole is provided with, left and right is correspondingly arranged on to be inserted into the solid lock being connected in solid lock groove on dust removal head top end face Plate, the eyelet for the insertion of the second slide plate is provided with solid lock plate, fixed on dust removal head top end face between two solid lock plates The electricity suppl head to be connected with electricity suppl hole is provided with, dust removal head is internally provided with dust absorption fan, dust absorption fan top Disposal box is provided with, dust absorption fan top is provided with dust strainer, body top with communicating setting inside disposal box in disposal box Control body is connected with, control body surface is provided with control panel, and the upward elongation in control body top is provided with flexible Handle, Telescopic handle top are provided with hand holding handle.
2. dust-extraction unit according to claim 1, it is characterised in that:The electricity suppl device includes plug-in and slides chamber, described What is moved up and down in plug-in cunning chamber is provided with plug-in block, and the plug-in slides left and right on the left and right sides wall of chamber and is correspondingly arranged on second Deep gouge, left and right is correspondingly arranged on the protrusive board being connected with the second deep gouge neat fit, institute on the plug-in block left and right ends face State to be provided with the second deep gouge and be fixedly connected with the protrusive board lower face and the second elastic component the protrusive board to be pushed up upwards, Be correspondingly arranged at the top of the plug-in block left and right ends face to the corresponding first oblique sliding surface offset neat fit connect The the second oblique sliding surface connect, left and right is correspondingly arranged on left plug-in head and right plug-in head on the plug-in block bottom face, and the plug-in is slided Left and right is correspondingly arranged on and the left plug-in head and the opposite left electrical jack of right plug-in head and right electrical jack on the side wall of bottom of chamber.
3. dust-extraction unit according to claim 2, it is characterised in that:The left electrical jack is electrically connected with electricity suppl portion, institute State right electrical jack to electrically connect with the electricity suppl hole, the left plug-in head and the right plug-in head mutually electrically connect, and the electricity supplies Head is answered to be electrically connected with the dust removal head.
4. dust-extraction unit according to claim 1, it is characterised in that:It is provided with first slide plate for the screw rod The slide opening passed through, is provided with the threaded hole passed through for the screw rod in the sliding block, the sliding block end face outside it is upper The 3rd oblique sliding surface is provided with lower end positions.
CN201711141750.0A 2017-11-17 2017-11-17 A kind of dust-extraction unit Withdrawn CN107962036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711141750.0A CN107962036A (en) 2017-11-17 2017-11-17 A kind of dust-extraction unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711141750.0A CN107962036A (en) 2017-11-17 2017-11-17 A kind of dust-extraction unit

Publications (1)

Publication Number Publication Date
CN107962036A true CN107962036A (en) 2018-04-27

Family

ID=62001155

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711141750.0A Withdrawn CN107962036A (en) 2017-11-17 2017-11-17 A kind of dust-extraction unit

Country Status (1)

Country Link
CN (1) CN107962036A (en)

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Application publication date: 20180427

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