CN109330481A - A kind of switchgear dust exhaust apparatus - Google Patents
A kind of switchgear dust exhaust apparatus Download PDFInfo
- Publication number
- CN109330481A CN109330481A CN201811375527.7A CN201811375527A CN109330481A CN 109330481 A CN109330481 A CN 109330481A CN 201811375527 A CN201811375527 A CN 201811375527A CN 109330481 A CN109330481 A CN 109330481A
- Authority
- CN
- China
- Prior art keywords
- dust
- hard tube
- switchgear
- pipe
- sweep
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
- A47L9/0693—Specially shaped nozzles, e.g. for cleaning radiators, tubes, fans or the like; Dusters
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/24—Hand-supported suction cleaners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1683—Dust collecting chambers; Dust collecting receptacles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
The invention discloses a kind of switchgear dust exhaust apparatuses, it is related to switchgear maintenance technology field, including cabinet, sequentially connected blower, dust-collecting box and sweep-up pipe are installed on cabinet, dust suction pipe port is removably equipped with dust collecting head component, and dust collecting head component includes heavy caliber hard tube or small-bore hard tube or Duckbill type hard tube.The present invention solves that switchgear ash-removal effect in the prior art is poor, switchgear electrical part gap is difficult to the technical issues of clearing up, the present invention both can efficiently clear up switchgear electrical part external dust, again can the dust to electrical part gap effectively cleared up, and also have the ability and self-cleaning ability that effective dust suction is carried out to the place for needing turning deep, easy to use, ash-removal effect is significant.
Description
Technical field
The present invention relates to switchgear maintenance technology field, in particular to a kind of dust exhaust apparatus for switchgear deashing.
Background technique
Switchgear is common electrical equipment in electric system, and inside switch cabinet is equipped with voltage transformer, Current Mutual Inductance
Device, a variety of electrical parts such as arrester, breaker, disconnecting switch, on-load switch, various protective devices, electrical device structures are complicated more
Sample, installation is intensive between various electrical parts, this causes inconvenience to the deashing of switchgear, especially as this tool of voltage transformer
There is the device of insulator chain, the gap of insulator chain is more, and cleaning is got up relatively cumbersome.
Main purge mode uses dust catcher dust suction, and this mode will not damage electrical part, existing dust catcher
The mainly simple deformation of domestic vacuum cleaners, has a single function, and pick-up performance is poor, it is difficult to suitable for the complex environment in switchgear,
It is especially difficult to effectively clear up the dust in device gap.
Summary of the invention
For disadvantages described above, the object of the present invention is to provide a kind of convenience and high-efficiency, it is applicable to the dust suction of electrical part gap
Switchgear dust exhaust apparatus, it is intended to solve the problems, such as that inside switch cabinet cleaning efficiency is low, electrical part gap dust is difficult to clear up.
In order to solve the above technical problems, the technical scheme is that
A kind of switchgear dust exhaust apparatus includes cabinet, and sequentially connected blower, dust-collecting box and dust suction are equipped on cabinet
Pipe, dust suction pipe port are removably equipped with dust collecting head component, dust collecting head component include heavy caliber hard tube or small-bore hard tube or
Person's Duckbill type hard tube.
Wherein, small-bore hard tube includes the first hard tube and the second hard tube, and one end of the first hard tube is equipped with for docking dust suction
The other end of the mounting portion of pipe, the first hard tube is connect by corrugated hose with the second hard tube, and sliding sleeve is socketed on the first hard tube, sliding
Set side wall is radially threaded with clamping screw, and sliding sleeve is hinged with one end of connecting rod, and the other end of connecting rod is articulated with the second hard tube
On.
Wherein, the pipe range of corrugated hose is 50~100mm.
Wherein, sweep-up pipe includes waveform pipeline section and hard tube section, and hard tube section outer wall is uniformly distributed protrusion.
Wherein, dust-collecting box includes the flapper of both upper chamber, lower chambers and partition, and the side of upper chamber is equipped with pair
It gives a dinner for a visitor from afar the first opening of machine, dirt filtrating screen is installed in the first opening, the other side of upper chamber is equipped with the of docking sweep-up pipe beginning
The side of two openings, lower chambers is open equipped with third, and dirt filtrating screen is equipped in third opening, and the other side of lower chambers is equipped with and can open
4th opening of the 4th opening closed, unlatching can be with sweep-up pipe end-on.
Wherein, cabinet is equipped with the anechoic chamber with third open butt joint, fills silencing cotton in anechoic chamber.
Wherein, limited block is installed, flapper one end is rotatably installed in dust-collecting box by shaft on the inner wall of dust-collecting box
On, magnetic is fixed on dust when and fixing when turning to horizontal position with limited block magnetic, and turning to vertical position
The inner wall of box, and third opening is covered, the outer end of shaft is consolidated with swing rod.
Wherein, the top surface of limited block is inclined-plane.
Wherein, cabinet side is equipped with glove room, and glove room includes sweep-up pipe rest area and cleaner head rest area.
Wherein, it is set on sweep-up pipe rest area there are four fixed column, four fixed columns are in rectanglar arrangement, and the end of fixed column is solid
It is connected to block.
After above-mentioned technical proposal, the beneficial effects of the present invention are:
Since switchgear dust exhaust apparatus includes cabinet, blower, dust-collecting box, the air port of blower is docked with dust-collecting box, dust-collecting box
It is docked with sweep-up pipe, the external port of sweep-up pipe connects dust collecting head component, and dust collecting head component includes three kinds, respectively large caliber hard
Pipe, small-bore hard tube and Duckbill type hard tube are used for replacement, and large caliber hard pipe is more or grey for switchgear dust accretions
Dirt and sundries mix into the use of the case where volume biggish impurity, and small-bore hard tube can be deep into gap depths, small-bore hard
Pipe is mainly used for the gap deashing of inside switch cabinet, and Duckbill type hard tube is used for the cleaning of inside switch cabinet insulator gap dust,
It is used alternatingly by three kinds of dust collecting head components, so that device not only can efficiently clear up electrical part external dust, but also can be with
The dust in electrical part gap is effectively cleared up, to greatly improve the effect of switchgear deashing.
Since small-bore hard tube includes the first hard tube, the second hard tube and connection corrugated hose therebetween, so that
Small-bore hard tube can integrally be bent in the case where guaranteeing the normal situation of dust absorption passage, and be socketed with cunning on the first hard tube
Set, sliding sleeve side wall are radially threaded with clamping screw, and sliding sleeve is hinged with one end of connecting rod, and the other end of connecting rod is articulated with second
The adjusting for realizing small-bore hard tube bending angle on hard tube and the locking after adjusting, the device made have deep to turning is needed
The place entered carries out the ability of effective dust suction.
Since dust-collecting box is equipped with upper chamber and lower chambers, and separates and be connected to by flapper, the side of upper chamber is set
There is the first opening of docking blower, dirt filtrating screen is installed in the first opening, the other side of upper chamber is equipped with docking sweep-up pipe beginning
The second opening, the sides of lower chambers is equipped with third and is open, third be open on dirt filtrating screen is installed, the other side of lower chambers is equipped with
It is openable and closable 4th opening, unlatching the 4th opening can with sweep-up pipe end-on, in this way, active clapboard partition when, dust suction
After tube terminal port is connected to the 4th opening above, it can be blown by blower, clear up the dust stratification in sweep-up pipe, ensure that dust suction
Smoothness inside pipe.
Since cabinet is equipped with the anechoic chamber with third open butt joint, silencing cotton is filled in anechoic chamber, to substantially reduce
Noise when cleaning.
In conclusion the present invention solves, switchgear ash-removal effect in the prior art is poor, switchgear electrical part gap is difficult to
The technical issues of cleaning, the present invention not only can efficiently clear up switchgear electrical part external dust, but also can be to electrical part
The dust in gap is effectively cleared up, and also have to the place for needing turning deep carry out the ability of effective dust suction with
And self-cleaning ability, easy to use, ash-removal effect is significant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of switchgear deashing device of the present invention；
Fig. 2 is cabinet front portion structure schematic diagram in Fig. 1；
Fig. 3 is cabinet back structures schematic diagram in Fig. 1；
Fig. 4 is cabinet cross-sectional view in Fig. 1；
Fig. 5 is the cross-sectional view of dust-collecting box dust suction state in Fig. 1；
Fig. 6 is the cross-sectional view of dust-collecting box cleaning state in Fig. 1；
Fig. 7 is the structural schematic diagram of small-bore hard tube in Fig. 1.
In figure, 1- cabinet, the anechoic chamber 10-, 11- sweep-up pipe rest area, 110- fixed column, 111- block, 12- cleaner head put
Set area, 14- handle, 2- blower, 3- dust-collecting box, 30- upper chamber, 301- first is open, and 302- second is open, 31- lower chambers,
310- second is open, and 311- the 4th is open, 312- corking, 32- flapper, 320- limited block, 321- swing rod, 4- sweep-up pipe,
40- waveform pipeline section, 41- hard tube section, 42- sweep-up pipe beginning, 43- dust suction tube terminal, 50- heavy caliber hard tube, 51- are small-bore hard
Pipe, the first hard tube of 511-, 512- mounting portion, 513- corrugated hose, the second tubule of 514-, 515- sliding sleeve, 516- clamping screw,
517- connecting rod, 52- Duckbill type hard tube.
Specific embodiment
Below with reference to specific embodiment, the present invention is further described.But the purposes and mesh of these exemplary embodiments
Be only used to enumerate the present invention, any type of any restriction not is constituted to real protection scope of the invention, it is more non-to incite somebody to action this
The protection scope of invention is confined to this.
As Fig. 1 and Fig. 2 jointly shown in, switchgear dust exhaust apparatus includes cabinet 1, and there are side cover, 1 top of cabinet in 1 side of cabinet
Mounting knob 14, is guided and supported for user, is equipped with blower 2, dust-collecting box 3 inside cabinet 1, in the driving motor and cabinet 1 of blower 2
The controller in portion connects, and the control zone on cabinet 1, which is equipped with, to be started switch, dust suction button, clears up button, the air port of blower 2 and collection
Dirt box 3 docks, and dust-collecting box 3 is docked with sweep-up pipe 4, and the external port of sweep-up pipe 4 connects dust collecting head component, and dust collecting head component includes head
Portion and docking section, with the external port of sweep-up pipe 4 using being threadedly coupled, such as clamp connection of other connection types is similarly suitable for docking section
With.
As shown in Figure 1, sweep-up pipe 4 includes waveform pipeline section 40 and hard tube section 41, the length that 513 sections of corrugated hose can basis
Use condition selection, the length of hard tube section 41 are 25~40mm, and the person of being used primarily for is singlehanded or both hands hand holds use,
41 outer wall of hard tube section is uniformly distributed protrusion, effectively avoids skidding.
As shown in Figure 1, dust collecting head component includes three kinds, respectively heavy caliber hard tube 50, small-bore hard tube 51 and duckbilled
Type hard tube 52, uses for replacement, and the caliber of heavy caliber hard tube 50 is greater than the caliber of sweep-up pipe 4, is mainly used for switchgear dust
Accumulate more or dust and use the case where sundries mixes into volume biggish impurity, in these cases, dust collection efficiency is high；
The caliber of small-bore hard tube 51 is less than the caliber of sweep-up pipe 4, is mainly used for the gap deashing of inside switch cabinet, small-bore hard tube
51 can be deep into gap depths, and 51 caliber of small-bore hard tube is small, and suction is strong, and pick-up performance is obvious；Duckbill type hard tube 52
Head be inclined flat structure, have certain extension in width direction, for the cleaning of inside switch cabinet insulator gap dust, duckbilled
The head of type hard tube 52, which can be deep into insulator gap, carries out dust suction, and dust collection efficiency is high.
As shown in fig. 7, small-bore hard tube 51 is by mounting portion 513, the first hard tube 511, corrugated hose 513, the second hard tube 514
Four parts and regulating mechanism are constituted, and for mounting portion 513 for docking with sweep-up pipe 4, corrugated hose 513 realizes small-bore hard tube
51 whole abilities bent within the scope of certain angle, allowing small-bore hard tube 51 to be deep into some straight tubes cannot go deep into
Place；Adjusting and fixation adjusting after, regulating mechanism of the regulating mechanism for small-bore 51 bending angle of hard tube include sliding sleeve
515, connecting rod 517 and clamping screw 516, sliding sleeve 515 are socketed on the first hard tube 511, allow sliding sleeve 515 along first
Hard tube 511 slides axially, and the both ends of connecting rod 517 pass through shaft respectively and are rotatably mounted on the second hard tube 514 and sliding sleeve 515
Upper mounting blocks on, along a band internal thread through-hole is radially provided with, clamping screw 516 is threaded in sliding sleeve 515
In through-hole, the screw head of clamping screw 516 is bonded with one piece of anti-skid rubber cushion, in use, along the axial direction of the first hard tube 511
Sliding, so that connecting rod 517 drives the movement of the second hard tube 514, and in the phase for adjusting the first hard tube 511 with the second hard tube 514
After position (i.e. bending angle), the bolt head of clamping screw 516 is made to be pressed on the first hard tube by turning clamping screw 516
On 511 tube wall, realize that the first hard tube 511 is relatively fixed with the second hard tube 514, the pipe range of corrugated hose 513 for 50~
The pipe range of 100mm, corrugated hose 513 are easy to the case where pipeline obstruction occur lower than 50mm, and the pipe range of corrugated hose 513
When being higher than 100mm, the position of connecting rod 517 can be from 513 bending place of corrugated hose farther out, so that connecting rod 517 occupies very greatly
Space, cause using inconvenience.
As shown in figure 4, dust-collecting box 3 is rectangular box, top half is upper chamber 30, and lower half portion is lower chambers 31.On
Installation activity baffle 32 between chamber 30 and lower chambers 31, the 301 docking blower 2 of the first opening of 30 side of upper chamber setting,
Dirt filtrating screen is installed in first opening 301, the side of the opening of face first 301 is equipped with the second opening 302 in upper chamber 30；Cavity of resorption
It is equipped with third opening 310 at room 31 and at first 301 the same sides of opening, dirt filtrating screen, lower chambers 31 are installed in third opening 310
The side of upper face third opening 310 is equipped with the 4th opening 311；First opening 301 and the air port face of blower 2 stick on one
It rising, the second opening 302 is threadedly coupled with sweep-up pipe beginning 42, third opening 310 and 10 open butt joint of anechoic chamber on cabinet 1,
The side wall of anechoic chamber 10 and bottom are equipped with grid type gas outlet, silencing cotton are clogged inside anechoic chamber 10, the 4th opening 311 can
To be threadedly coupled with dust suction tube terminal 43, the second opening 302 and the 4th opening 311 are round mouth, can be by connecting corking 312
It is sealed, the 4th opening 311 of unlatching can be with 4 end-on of sweep-up pipe.In present embodiment, dust-collecting box 3 and sweep-up pipe 4 it
Between there are also the side plates of cabinet 1, there is on side plate through-hole to enter for the port of sweep-up pipe 4.
As shown in figure 4, having a limited block 320, limited block on 30 inner wall of upper chamber, positioned at the second 302 lower positions of opening
320 be gore, and top is inclined-plane, and bottom is plane, and iron plate is equipped at bottom；On the inner wall of lower chambers 31,
Iron plate is equally installed at 310 lower section of third opening.32 one end of flapper is rotatably installed in dust-collecting box 3 by shaft
On, the outer end of shaft is consolidated with swing rod 321, by swinging adjusting of the realization of swing rod 321 to 32 position of flapper, flapper
32 other end is embedded with magnet, and when flapper 32 turns to horizontal position, flapper 32 is adsorbed on limited block 320
On, the partition to upper chamber 30 and lower chambers 31 is at this moment formed, when flapper 32 turns to vertical position, flapper 32
It is adsorbed on the iron plate at third opening 310, to close third opening 310.
As shown in figure 5, setting up corking 312 in the 4th opening 311, rotational swing rod 321 makes 32 turns of flapper when dust suction
It moves at third opening 310, starts dust suction button, at this time 2 air draught of blower, dust is entered by dust collecting head component, sweep-up pipe 4
In dust-collecting box 3, and rested in dust-collecting box 3 by the barrier effect of dirt filtrating screen.
As shown in fig. 6, rotational swing rod 321 turns to flapper 32 at limited block 320 when deashing, sweep-up pipe 4
Terminal is connected in the 4th opening 311, and starting cleaning button, blower 2 is blown at this time, and the dust in sweep-up pipe 4 can enter down
Chamber 31, and be filtered by the dirt filtrating screen in third opening 310.
As shown in figure 3,1 side of cabinet is equipped with glove room, glove room includes sweep-up pipe rest area 11, for placing sweep-up pipe
4；Cleaner head rest area 12, for placing dust collecting head component.11 internal side wall of sweep-up pipe rest area is equipped with to twine for sweep-up pipe 4
Around four fixed columns 110 hung, four fixed columns 110 are in rectanglar arrangement, and the end of fixed column 110 is connected with block 111, are prevented
Only sweep-up pipe 4 is axially sliding next along fixed column 110.
It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit protection model of the invention
It encloses.In addition, it should also be understood that, after reading the technical contents of the present invention, those skilled in the art can make the present invention each
Kind change, modification and/or variation, all these equivalent forms equally fall within guarantor defined by the application the appended claims
Within the scope of shield.
Claims (10)
1. a kind of switchgear dust exhaust apparatus, including cabinet, sequentially connected blower, dust-collecting box and suction are installed on the cabinet
Dirt pipe, which is characterized in that the dust suction pipe port is removably equipped with dust collecting head component, and the dust collecting head component includes big mouth
Diameter hard tube or small-bore hard tube or Duckbill type hard tube.
2. a kind of switchgear dust exhaust apparatus as described in claim 1, which is characterized in that the small-bore hard tube includes first hard
Pipe and the second hard tube, one end of first hard tube are equipped with the mounting portion for docking the sweep-up pipe, first hard tube
The other end is connect by corrugated hose with second hard tube, and sliding sleeve, the sliding sleeve side wall diameter are socketed on first hard tube
To clamping screw is threaded with, the sliding sleeve is hinged with one end of connecting rod, and the other end of the connecting rod is articulated with described second
On hard tube.
3. a kind of switchgear dust exhaust apparatus as claimed in claim 2, which is characterized in that the pipe range of the corrugated hose is 50~
100mm。
4. a kind of switchgear dust exhaust apparatus as described in claim 1, which is characterized in that the sweep-up pipe include waveform pipeline section with
Hard tube section, the hard tube section outer wall is uniformly distributed protrusion.
5. a kind of switchgear dust exhaust apparatus as described in claim 1, which is characterized in that the dust-collecting box include upper chamber, under
The flapper of both chamber and partition, the side of the upper chamber are equipped with the first opening for docking the blower, and described the
Dirt filtrating screen is installed, the other side of the upper chamber is equipped with the second opening for docking the sweep-up pipe beginning, described in one opening
The side of lower chambers is open equipped with third, dirt filtrating screen is equipped in the third opening, the other side of the lower chambers is equipped with can
The 4th opening of 4th opening of folding, unlatching can be with the sweep-up pipe end-on.
6. a kind of switchgear dust exhaust apparatus as claimed in claim 5, which is characterized in that the cabinet is equipped with and the third
The anechoic chamber of open butt joint fills silencing cotton in the anechoic chamber.
7. a kind of switchgear dust exhaust apparatus as claimed in claim 5, which is characterized in that be equipped on the inner wall of the dust-collecting box
Limited block, described flapper one end are rotatably installed on the dust-collecting box by shaft, and when turning to horizontal position
Magnetic is fixed on the inner wall of the dust-collecting box when fixing with the limited block magnetic, and turning to vertical position, and covers
The third opening, the outer end of the shaft is consolidated with swing rod.
8. a kind of switchgear dust exhaust apparatus as claimed in claim 7, which is characterized in that the top surface of the limited block is inclined-plane.
9. a kind of switchgear dust exhaust apparatus as described in any of the claims 1 to 8, which is characterized in that the cabinet side is equipped with
Glove room, the glove room include sweep-up pipe rest area and cleaner head rest area.
10. a kind of switchgear dust exhaust apparatus as claimed in claim 9, which is characterized in that the sweep-up pipe rest area is equipped with
Four fixed columns, four fixed columns are in rectanglar arrangement, and the end of the fixed column is connected with block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375527.7A CN109330481A (en) | 2018-11-19 | 2018-11-19 | A kind of switchgear dust exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375527.7A CN109330481A (en) | 2018-11-19 | 2018-11-19 | A kind of switchgear dust exhaust apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109330481A true CN109330481A (en) | 2019-02-15 |
Family
ID=65315854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375527.7A Pending CN109330481A (en) | 2018-11-19 | 2018-11-19 | A kind of switchgear dust exhaust apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109984663A (en) * | 2019-04-18 | 2019-07-09 | 江苏环力科技发展股份有限公司 | A kind of vacuum cleaner easy to use |
| CN110859547A (en) * | 2019-12-03 | 2020-03-06 | 常金法 | Dust shaker for electrical engineering equipment |
| CN111014219A (en) * | 2019-12-31 | 2020-04-17 | 无锡电基集成科技有限公司 | Laser marking dust collecting device for semiconductor testing and sorting machine |
| CN114557631A (en) * | 2020-11-27 | 2022-05-31 | 胡安·克劳迪斯·德罗盖特·拉腊因 | Suction aid for suctioning and cleaning hard-to-reach and/or delicate places and objects |
| US11937762B2 (en) | 2019-06-26 | 2024-03-26 | Milwaukee Electric Tool Corporation | Vacuum tools |
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| US11937762B2 (en) | 2019-06-26 | 2024-03-26 | Milwaukee Electric Tool Corporation | Vacuum tools |
| CN110859547A (en) * | 2019-12-03 | 2020-03-06 | 常金法 | Dust shaker for electrical engineering equipment |
| CN110859547B (en) * | 2019-12-03 | 2021-05-28 | 深圳市合丰嘉大科技有限公司 | Dust shaker for electrical engineering equipment |
| CN111014219A (en) * | 2019-12-31 | 2020-04-17 | 无锡电基集成科技有限公司 | Laser marking dust collecting device for semiconductor testing and sorting machine |
| CN114557631A (en) * | 2020-11-27 | 2022-05-31 | 胡安·克劳迪斯·德罗盖特·拉腊因 | Suction aid for suctioning and cleaning hard-to-reach and/or delicate places and objects |
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Application publication date: 20190215 |
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