CN208618337U - A kind of new and effective air-flowing type floor cleaning trolley - Google Patents
A kind of new and effective air-flowing type floor cleaning trolley Download PDFInfo
- Publication number
- CN208618337U CN208618337U CN201821314646.7U CN201821314646U CN208618337U CN 208618337 U CN208618337 U CN 208618337U CN 201821314646 U CN201821314646 U CN 201821314646U CN 208618337 U CN208618337 U CN 208618337U
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- air
- guidance tape
- water pump
- cleaning unit
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- 238000004140 cleaning Methods 0.000 title claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 238000007664 blowing Methods 0.000 claims abstract description 26
- 239000010865 sewage Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000004062 sedimentation Methods 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 24
- 230000005684 electric field Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 241001417527 Pempheridae Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Cleaning In General (AREA)
Abstract
The utility model relates to a kind of new and effective air-flowing type floor cleaning trolleys, including blow-inhale device, sedimentation device, aircleaner structure, water purification mechanism and rechargeable battery pack, blowing-inhale mechanism includes air blowing guidance tape and air-breathing guidance tape, it blows, it is V-shaped between air-breathing guidance tape, air blowing guidance tape and air-breathing guidance tape are fixedly connected with sealing plate, aspirating unit board bottom portion is provided with idler wheel, air blowing guidance tape is connected with high pressure blower, sedimentation device is connected with suction plate road and aircleaner structure respectively, aircleaner structure includes dirty water collecting tank and air cleaning unit, dirty water collecting tank is communicated with air cleaning unit, air cleaning unit is connected with sedimentation device, air cleaning unit is connected with exhaust fan, dirty water collecting tank is connected with the first water pump, water purification mechanism includes sewage filter device, fresh watertank and the second water pump, sewage filter device is connected with the first water pump, second Water pump is connected with air cleaning unit, and rechargeable battery pack is high pressure blower, exhaust fan, the first water pump and the second water pump provide power.
Description
Technical field
The utility model relates to municipal cleansing apparatus field more particularly to a kind of new and effective air-flowing type floor cleaning trolleys.
Background technique
Cleaning, the dedusting on municipal administration road surface now, is realized respectively generally by road sweeper, sprinkling truck etc..
Road sweeper is to integrate road cleaning, garbage reclamation and the cleaning equipment of transport, and this road ground cleans vehicle
Floor cleaning can once be completed, road curb side cleans, the cleaning of road curb and after cleaning to work such as the waterings on ground, be applicable in
It in the cleaning work of various weathers and different dry pavements, still, sprays water, not only cleans inadequate after cleaning ground with besom in this way
Completely, and miriness is be easy to cause to be still and dust has been stayed on road there is no cleaning is fundamentally solved the problems, such as,
Ground is so allowed completely to need to carry out repeated flushing using sprinkling truck road pavement that the muddy water on ground catch-basin, work could be flushed to
Make efficiency bottom, water resource waste is big, and be easy to cause catch-basin soil over-deposit and influence to drain.
Summary of the invention
The purpose of this utility model is to overcome the cleaning efficiency bottom of the prior art, effect is poor, water resource waste is big etc.
Deficiency provides a kind of new and effective air-flowing type floor cleaning trolley.
The utility model is achieved through the following technical solutions:
A kind of new and effective air-flowing type floor cleaning trolley blows-inhales device, sedimentation device, net including being arranged in vehicle body
Mechanism of qi structure, water purification mechanism and rechargeable battery pack；
Described to blow-inhale mechanism setting below body bottom, blowing-inhale mechanism includes air blowing guidance tape of the inflatable mouth towards ground
It is located at the air-breathing guidance tape immediately ahead of inflatable mouth with air entry, the air blowing guidance tape is the vent board that hollow, both ends communicate, described
Air-breathing guidance tape be in the vent board that communicates of separated blend rubber pipe hollow, the both ends that link into an integrated entity, air blowing guidance tape and inhale
V-shaped between air flue plate, air blowing guidance tape and air-breathing guidance tape one end close to each other are fixedly connected to sealing plate upward, seal
Hinged by rotation axis between plate, aspirating unit board bottom portion is provided with the idler wheel with ground face contact, and the air blowing guidance tape other end passes through company
Connect horn-like rubber tube connection high pressure blower；
The sedimentation device input terminal is connected with suction plate road crimped end and aircleaner structure respectively with output end；
The aircleaner structure includes the dirty water collecting tank and air cleaning unit for collecting sewage, the dirty water collecting tank
It is arranged in air cleaning unit bottom and is communicated with air cleaning unit, air cleaning unit input terminal and sedimentation device output end
It is connected, air cleaning unit output end is connected with exhaust fan, and exhaust fan output end is connected respectively and is connected with high pressure blower input terminal
The logical external world, the dirty water collecting tank are connected with the first water pump input terminal；
The water purification mechanism includes the sewage filter device successively contacted, fresh watertank and the second water pump, sewage water filtration
Device input terminal is connected with the first water pump output end, and the second water pump output end is connected with air cleaning unit, aircleaner structure and net
Water dispenser structure is located at left and right sides of vehicle body；
The tail portion of vehicle body is arranged in the rechargeable battery pack, is separately connected high pressure blower, exhaust fan, the first water pump and
Two water pumps, and power is provided for high pressure blower, exhaust fan, the first water pump and the second water pump.
Compared with prior art, the utility model has following usefulness:
1, new and effective air-flowing type floor cleaning trolley, using blowing-inhale mechanism high pressure blow-gas guidance tape for the dust on road surface, sand
The impurity such as grain are blown afloat, and collect dust gas by the air-breathing guidance tape of negative pressure, the plastic brush of body bottom setting prevents dust from overflowing
Out, pick-up performance is good, and work efficiency is high, without secondary flying dust.
2, the dust gas sucked passes through sedimentation device -- and air cleaning unit is purified air, reaches dustless discharge
Effect, exhaust fan discharge dustless gas a part supplement air blowing plate road high pressure blow gas, prevent high pressure blower and take out
Negative pressure is formed between blower, damages pipe-line equipment.
3, for the spray column of air cleaning unit by after the net dirt of dust gas, generated sewage is net by sewage filter device
Change obtains clear water, and clear water is conveyed to spray column to dust gas depositing dust by water pump, and water resource is recycled, and saves water resource,
It is particularly suitable for the area of water resource missing.
4, new and effective air-flowing type floor cleaning trolley substitution road sweeper, sprinkling truck and fog gun vehicle, a Che Duoyong reach clear
Clean, dedusting, depositing dust effect, it is efficient, without secondary pollution, without spray water realize cleaning ground.
Detailed description of the invention
Fig. 1 is the top view structural schematic diagram of the embodiments of the present invention.
Fig. 2 is the A-A the schematic diagram of the section structure of the embodiments of the present invention.
Fig. 3 is the B-B the schematic diagram of the section structure of the embodiments of the present invention.
Fig. 4 blows-mechanism schematic perspective view for the embodiments of the present invention.
In figure: blowing-inhale device 1, air blowing guidance tape 11, horn-like rubber tube 111, air-breathing guidance tape 12, rubber tube 121, idler wheel
122, sealing plate 13, rotation axis 131, high pressure blower 14, support rod 15, sleeve 151, connecting rod 152, transverse slat 153, screw hole 154,
Screw rod 16, servo motor 17, plastic brush 18, sedimentation device 2, level-one expansion chamber 21, second level expansion chamber 22, garbage collection box
23, breathe freely dust-filtering plate 24, aircleaner structure 3, dirty water collecting tank 31, air cleaning unit 32, gas wash tower 321, cathode grid 3211,
Positive cylindrical 3212, filter core gas wash tower 322, filter core cylinder 3221, fixed link 3222, spray column 323, isolation filter layer 3231, spray
Spray first 3232, exhaust fan 33, the first water pump 34, water purification mechanism 4, sewage filter device 41, cover board 411, card slot 412, filter plate
413, fresh watertank 42, the second water pump 43, rechargeable battery pack 5.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.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 new and effective air-flowing type floor cleaning trolley referring to FIG. 1 to FIG. 4, blows-inhales dress including being arranged in vehicle body
Set 1, sedimentation device 2, aircleaner structure 3, water purification mechanism 4 and rechargeable battery pack 5；
Described to blow-inhale the setting of mechanism 1 below body bottom, blowing-inhale mechanism 1 includes air blowing road of the inflatable mouth towards ground
Plate 11, air entry are located at the air-breathing guidance tape 12 immediately ahead of inflatable mouth, and the air blowing guidance tape 11 is the ventilation that hollow, both ends communicate
Plate, the air-breathing guidance tape 12 be in the vent board that communicates of separated blend rubber pipe 121 hollow, the both ends that link into an integrated entity,
It is V-shaped between air blowing guidance tape 11 and air-breathing guidance tape 12, the fixed company of air blowing guidance tape 11 and the one end close to each other of air-breathing guidance tape 12
It is connected to sealing plate 13 upward, passes through rotation axis 131 between sealing plate 13 hingedly, 12 bottom of air-breathing guidance tape is provided with to be connect with ground
The idler wheel 122 of touching, 11 other end of air blowing guidance tape connect high pressure blower 14 by connecting horn-like rubber tube 111；
2 input terminal of sedimentation device is connected with 12 crimped end of suction plate road and aircleaner structure 3 respectively with output end；
The aircleaner structure 3 includes the dirty water collecting tank 31 and air cleaning unit 32 for collecting sewage, the sewage
Collecting box 31, which is arranged, to be communicated in 32 bottom of air cleaning unit and with air cleaning unit 32,32 input terminal of air cleaning unit with
2 output end of sedimentation device is connected, and 32 output end of air cleaning unit is connected with exhaust fan 33,33 output end of exhaust fan respectively with height
14 input terminal of pressure fan is connected and connection is extraneous, and the dirty water collecting tank 31 is connected with 34 input terminal of the first water pump；
The water purification mechanism 4 includes sewage filter device 41, fresh watertank 42 and the second water pump 43 successively contacted, dirty
41 input terminal of water filtering device is connected with 34 output end of the first water pump, 43 output end of the second water pump and 32 phase of air cleaning unit
Even, aircleaner structure 3 and water purification mechanism 4 are located at left and right sides of vehicle body；
The tail portion of vehicle body is arranged in the rechargeable battery pack 5, is separately connected high pressure blower 14, exhaust fan 33, the first water
Pump 34 and the second water pump 43, and power is provided for high pressure blower 14, exhaust fan 33, the first water pump 34 and the second water pump 43.
Further, refering to Fig. 4, a kind of new and effective air-flowing type floor cleaning trolley, the air blowing guidance tape 11 and air-breathing
12 middle part bottom surface of guidance tape is provided with two horizontal support rods 15, and sleeve 151, two supports are provided with outside the support rod 15
Bar 15 connects two connecting rods, 152 groups of quadrangularlies, is connected with transverse slat 153 between connecting rod 152, transverse slat 153 is provided centrally with
Screw hole 154, transverse slat 153 are connected with vertical screw rod 16 by screw hole 154, and 16 top of screw rod is connected with servo motor 17, servo
Motor 17 is connect with rechargeable battery pack 5, and about 15 support rod of control is promoted or decline.
Further, refering to Fig. 3, a kind of new and effective air-flowing type floor cleaning trolley, the air blowing guidance tape 11 and air-breathing
12 surrounding of guidance tape is provided with the plastic brush 18 with ground face contact straight down, and the plastic brush 18 is fixedly connected on vehicle bottom.
Further, referring to Fig.2, a kind of new and effective air-flowing type floor cleaning trolley, the sedimentation device 2 include level-one
Expansion chamber 21 and the concatenated second level expansion chamber 22 of level-one expansion chamber 21,21 bottom of level-one expansion chamber and 22 bottom of second level expansion chamber
It is equipped with garbage collection box 23,21 output end of level-one expansion chamber and 22 output end of second level expansion chamber are equipped with ventilative dust-filtering plate 24,
The ventilative dust-filtering plate 24 is separately fixed on 22 inner wall of level-one expansion chamber 21 and second level expansion chamber, the level-one expansion chamber 21 with
12 crimped end of suction plate road communicates, and second level expansion chamber 22 is communicated with 32 input terminal of air cleaning unit.
Further, referring to Fig.2, a kind of new and effective air-flowing type floor cleaning trolley, the air cleaning unit 32 wrap
It includes through the concatenated electric field gas wash tower 321 of pipeline head and the tail, filter core gas wash tower 322 and spray column 323, the electric field gas wash tower 321
Including the cathode grid 3211 being connected with 5 cathode of rechargeable battery pack and the positive cylindrical being connected with 5 anode of rechargeable battery pack
3212, the setting of cathode grid 3211 is fixedly connected in 321 lower part of electric field gas wash tower with 321 inner wall of electric field gas wash tower, described
The setting of positive cylindrical 3212 is bonded on 321 top of electric field gas wash tower with 321 inner wall of electric field gas wash tower；The filter core gas wash tower 322
It is provided with filter core cylinder 3221 and fixed link 3222, the filter core cylinder 3221 is fixed on filter core gas wash tower 322 by fixed link 3222
On inner wall, 3221 inner cavity of filter core cylinder is connected with 322 pipeline at output of filter core gas wash tower；323 bottom of spray column and sewage are received
Header 31 is connected, and spray column 323 is provided with isolation filter layer 3231, and the isolation filter layer 3231 is fixed in spray column 323
On wall, isolation 3231 top of filter layer is provided with spray nozzle 3232, and spray nozzle 3232 is defeated by pipeline and the second water pump 43
Outlet is connected, and setting multistage, different types of depositing dust, dedusting method make exhaust fan respectively for different dust impurity is removed
33 air being discharged achieve the effect that dustless, no pollution.
Further, refering to fig. 1 and Fig. 3, a kind of new and effective air-flowing type floor cleaning trolley, the sewage filter device
41 tops are provided with openable cover board 411, and 41 inner wall of sewage filter device is provided with several card slots of vertical arranged in parallel
412, filter plate 413 is provided in the card slot 412, and the filter plate 413 and water (flow) direction are not parallel.
The working principle of the utility model is: being high pressure blower 14, exhaust fan 33, first after the charging of rechargeable battery pack 5
Water pump 34 and the second water pump 43 provide power, and air-flowing type floor cleaning trolley starts rechargeable battery pack 5 after reaching job site, high
Pressure fan 14, exhaust fan 33, the first water pump 34 and the second water pump 43 start running, and high pressure blower 14 is that air blowing guidance tape 11 provides height
Body of calming the anger blows afloat the sundries such as the dust on ground, sand grains, and exhaust fan 33 is evacuated aircleaner structure 4 and sedimentation device 2, makes air-breathing guidance tape
12 form negative pressure, and the sundries such as the dust blown afloat, sand grains are drawn into sedimentation device 2, settle by level-one expansion chamber 21 and second level
After 22 sedimentation filtration of room, bulky grain sundries is deposited in garbage collection box 23, and filtered dust gas enters aircleaner structure 3
Air cleaning unit 32, the cathode grid 3231 through electric field gas wash tower 321 is negatively charged to dust, and negative electricity dirt attraction is in positive polar circle
On cylinder 3212, after primary filtration, 3221 surrounding of filter core cylinder of filter core gas wash tower 322 is entered back into, due to the effect of exhaust fan 33,
The gas of primary filtration filters again through filter core cylinder 3221, finally by the filtering of isolation filter layer 3231 and spray of spray column 323
After spraying first 3232 spray, clean gas is extracted out through exhaust fan 33, and a part is discharged to the external world, a part supply high pressure blower
14, the sewage after purifying air falls into dirty water collecting tank 31, and the sewage filter device of water purification mechanism 4 is transported to through the first water pump 34
41, sewage becomes clear water after the filtering of filter plate 413, and clear water is flowed into fresh watertank 42 from 41 output end of sewage filter device
It collects, then clear water is supplied into spray nozzle 323 to dust gas depositing dust by the second water pump 43, reach and water is recycled, to
The work of air-flowing type floor cleaning trolley finishes, and the taking-up of garbage collection box 23 is disposed, and completes without secondary flying dust, without cleaning of spraying water
Ground handling.When filter plate needs replacing, cover board 411 need to be only opened from card slot 412 and takes out replacement.If air-flowing type ground
When encountering big barrier, servo motor 17 controls screw rod 16 and rotates cleaning vehicle, and support rod 15 is lifted, and then by air blowing guidance tape 11
Lift with air-breathing guidance tape 12, prevents big barrier damage air-breathing guidance tape 12.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of new and effective air-flowing type floor cleaning trolley, it is characterised in that: blow-inhale device, heavy including being arranged in vehicle body
Falling unit, aircleaner structure, water purification mechanism and rechargeable battery pack；
Described to blow-inhale mechanism and be arranged below body bottom, blowing-inhale mechanism includes inflatable mouth towards the air blowing guidance tape on ground and suction
Port is located at the air-breathing guidance tape immediately ahead of inflatable mouth, and the air blowing guidance tape is the vent board that hollow, both ends communicate, the air-breathing
Guidance tape be in the vent board that communicates of separated blend rubber pipe hollow, the both ends that link into an integrated entity, air blowing guidance tape and aspirating unit
V-shaped between plate, air blowing guidance tape and air-breathing guidance tape one end close to each other are fixedly connected to sealing plate upward, sealing plate it
Between by rotation axis it is hinged, aspirating unit board bottom portion be provided with ground face contact idler wheel, the air blowing guidance tape other end by connection loudspeaker
Shape rubber tube connects high pressure blower；
The sedimentation device input terminal is connected with suction plate road crimped end and aircleaner structure respectively with output end；
The aircleaner structure includes the dirty water collecting tank and air cleaning unit for collecting sewage, the dirty water collecting tank setting
It communicates in air cleaning unit bottom and with air cleaning unit, air cleaning unit input terminal and sedimentation device output end phase
Even, air cleaning unit output end is connected with exhaust fan, and exhaust fan output end is connected and is connected to high pressure blower input terminal respectively
The external world, the dirty water collecting tank are connected with the first water pump input terminal；
The water purification mechanism includes the sewage filter device successively contacted, fresh watertank and the second water pump, sewage filter device
Input terminal is connected with the first water pump output end, and the second water pump output end is connected with air cleaning unit, aircleaner structure and water purifier
Structure is located at left and right sides of vehicle body；
The tail portion of vehicle body is arranged in the rechargeable battery pack, is separately connected high pressure blower, exhaust fan, the first water pump and the second water
Pump, and power is provided for high pressure blower, exhaust fan, the first water pump and the second water pump.
2. a kind of new and effective air-flowing type floor cleaning trolley according to claim 1, it is characterised in that: the air blowing guidance tape
Bottom surface in the middle part of air-breathing guidance tape is provided with two horizontal support rods, sleeve, two support rods are provided with outside the support rod
Two connecting rod group quadrangularlies are connected, are connected with transverse slat between connecting rod, transverse slat is provided centrally with screw hole, and transverse slat passes through screw hole
It is connected with vertical screw rod, screw tip is connected with servo motor, and servo motor connect control support rod with rechargeable battery pack
It is promoted or is declined up and down.
3. a kind of new and effective air-flowing type floor cleaning trolley according to claim 1, it is characterised in that: the air blowing guidance tape
Air-breathing guidance tape surrounding is provided with the plastic brush with ground face contact straight down, the plastic brush is fixedly connected on vehicle bottom.
4. a kind of new and effective air-flowing type floor cleaning trolley according to claim 1, it is characterised in that: the sedimentation device
Including level-one expansion chamber and the concatenated second level expansion chamber of level-one expansion chamber, level-one expansion chamber bottom and second level expansion chamber bottom are equal
Equipped with garbage collection box, level-one settling chamber outlet and second level settling chamber outlet are equipped with ventilative dust-filtering plate, the ventilative filter
Dirt plate is separately fixed on level-one expansion chamber and second level sedimentation chamber interior walls, and the level-one expansion chamber is communicated with suction plate road, second level
Expansion chamber is communicated with air cleaning unit input terminal.
5. a kind of new and effective air-flowing type floor cleaning trolley according to claim 1, it is characterised in that: the air cleaning
Device include by pipeline concatenated electric field gas wash tower, filter core gas wash tower and spray column from beginning to end, the electric field gas wash tower include with
Positive cylindrical rechargeable battery pack cathode connected cathode grid and be connected with rechargeable battery pack anode, the cathode grid
Setting is fixedly connected in electric field gas wash tower lower part with electric field dedusting inner wall of tower, and the positive cylindrical is arranged on electric field gas wash tower top
It is bonded with electric field dedusting inner wall of tower；The filter core gas wash tower is provided with filter core cylinder, and the filter core cylinder is fixed in filter core gas wash tower
On wall, filter core tube inner chamber is connected with filter core gas wash tower pipeline at output；The spray tower bottom is connected with dirty water collecting tank, spray
Tower is provided with isolation filter layer, and the isolation filter layer is fixed on spray inner wall of tower, and isolation filter layer top is provided with spray
Spray head, spray nozzle are connected by pipeline with water pump output end.
6. a kind of new and effective air-flowing type floor cleaning trolley according to claim 1, it is characterised in that: the sewage water filtration
It is provided with openable cover board at the top of device, sewage filter device inner wall is provided with several card slots of vertical arranged in parallel, described
Filter plate is provided in card slot, the filter plate and water (flow) direction are not parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821314646.7U CN208618337U (en) | 2018-08-15 | 2018-08-15 | A kind of new and effective air-flowing type floor cleaning trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821314646.7U CN208618337U (en) | 2018-08-15 | 2018-08-15 | A kind of new and effective air-flowing type floor cleaning trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208618337U true CN208618337U (en) | 2019-03-19 |
Family
ID=65715772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821314646.7U Withdrawn - After Issue CN208618337U (en) | 2018-08-15 | 2018-08-15 | A kind of new and effective air-flowing type floor cleaning trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208618337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797640A (en) * | 2019-03-20 | 2019-05-24 | 林炳雄 | A kind of road construction expansion joint cleaning device |
-
2018
- 2018-08-15 CN CN201821314646.7U patent/CN208618337U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797640A (en) * | 2019-03-20 | 2019-05-24 | 林炳雄 | A kind of road construction expansion joint cleaning device |
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| AV01 | Patent right actively abandoned | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190319 Effective date of abandoning: 20231024 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190319 Effective date of abandoning: 20231024 |