CN209712772U - A kind of drive type floor cleaning machine - Google Patents
A kind of drive type floor cleaning machine Download PDFInfo
- Publication number
- CN209712772U CN209712772U CN201821947309.1U CN201821947309U CN209712772U CN 209712772 U CN209712772 U CN 209712772U CN 201821947309 U CN201821947309 U CN 201821947309U CN 209712772 U CN209712772 U CN 209712772U
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- China
- Prior art keywords
- cleaning machine
- perching knife
- water tank
- ontology
- floor
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of drive type floor cleaning machines, including floor-cleaning machine ontology, floor-cleaning machine body bottom portion is equipped with water absorber and brush ground device, it is characterized by: the floor-cleaning machine body interior is provided with filtered water tank and foul water tank, water absorber is connected to by pipeline with foul water tank, brush ground device is connected to by pipeline with filtered water tank, floor-cleaning machine body bottom portion is provided with perching knife accommodation groove, both ends are mounted on telescopic rod in the perching knife accommodation groove, the telescopic rod one end is connected to perching knife accommodating trench bottom, the other end is connected with perching knife ontology, the lower end of the perching knife ontology is provided with water outlet, the upper end of perching knife ontology is provided with water inlet, water inlet is linked together by outlet pipe and filtered water tank.The utility model, which has, removes viscous dirty patch on the ground without artificial, under capable of directly shoveling the dirty patch for being sticked to ground, achievees the effect that improve cleaning efficiency.
Description
Technical field
The utility model relates to cleaning equipment technology fields, more particularly, to a kind of drive type floor cleaning machine.
Background technique
When carrying out property cleaning to office building and industry park, since cleaning area brings greatly cleaning amount big, generally
Ground cleaning is carried out using floor-cleaning machine.When floor-cleaning machine cleans ground, cleaning solution is sprayed in brush, brush motor driven brush head
Rotation cleaning ground, water suction are taken off under the action of absorbing water motor and scraping band polywater, and the sewage on ground is sucked foul water tank.Wash ground
Machine has many advantages, such as that environmentally friendly, energy saving, efficient and at low cost, effect is good, high-efficient.
Existing Authorization Notice No. is that the Chinese patent of CN207604914 discloses a kind of floor-cleaning machine, including brush and installation
Brush in brush, motor are set in the brush, drive the brush to rotate using motor, so that the brush in brush
Son can clean ground.
Prior art among the above has the following deficiencies: when the dirty patch for occurring being sticked to ground on ground, only
Effectively dirty patch can not be removed from ground using brush, so that cleaning effect is bad, it is also necessary to manually dirty patch be carried out clear
It removes, affects working efficiency.
Utility model content
The purpose of the utility model is to provide a kind of drive type floor cleaning machine, has and glued on the ground without artificial remove
Dirty patch under capable of directly shoveling the dirty patch for being sticked to ground, achievees the effect that improve cleaning efficiency.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of drive type floor cleaning machine, including floor-cleaning machine ontology, floor-cleaning machine body bottom portion fill with being equipped with water absorber and brush
It sets, the floor-cleaning machine body interior is provided with filtered water tank and foul water tank, and water absorber is connected to by pipeline with foul water tank, brush ground dress
It sets and is connected to by pipeline with filtered water tank, floor-cleaning machine body bottom portion is provided with perching knife accommodation groove, and both ends are equal in the perching knife accommodation groove
Telescopic rod is installed, which is connected to perching knife accommodating trench bottom, and the other end is connected with perching knife ontology, the perching knife ontology
Lower end be provided with water outlet, the upper end of perching knife ontology is provided with water inlet, and water inlet is connected to by outlet pipe and filtered water tank
Together.
By using above-mentioned technical proposal, when which is worked, injected clear water and detergent into filtered water tank, with
Hand starting detergent ontology, the clear water in filtered water tank are flowed out from brush ground device by pipeline, and brush ground device cleans ground, local
When device cannot be cleaned effectively with occurring the dirty patch brush for being sticked to ground on face, the telescopic rod in perching knife accommodation groove is adjusted
Length, so that the bottom of perching knife ontology and ground face contact, the water in filtered water tank enter the water inlet of perching knife ontology by outlet pipe
Mouthful, it flows out, pours on dirty patch from water outlet immediately, carry out water impregnate then under the drive of floor-cleaning machine to dirty patch, perching knife sheet
For body by dirty patch under the shovel of ground, the sewage for cleaning ground is drawn into sewage by the water absorber installed on subsequent floor-cleaning machine ontology
In case, after having cleaned ground, brush ground device is closed, then move several seconds to the substantially all sucking foul water tank of sewage in water absorber
When, floor-cleaning machine is closed, by cleaning sullage case after sewage discharge in foul water tank.
The utility model is further arranged to: the perching knife accommodating trench bottom is welded with fixing axle, is provided in fixing axle
Screw thread, telescopic rod include casing and inner tube, and the top of casing and casing shoe are provided with thread groove, and the top of inner tube is provided with
The screw thread being cooperatively connected with thread groove, fixing axle and inner tube are screwed onto thread groove, the bottom end of inner tube and the top of perching knife ontology
End welds together.
By using above-mentioned technical proposal, when needing that the length of telescopic rod is adjusted, casing is turned, so that inner tube exists
It is moved up and down in thread groove, to play the effect for adjusting telescopic rod entire length.
The utility model is further arranged to: the lower end of the perching knife ontology is provided with blade.
By using above-mentioned technical proposal, the setting of blade can easily remove dirty patch from ground.
The utility model is further arranged to: being provided with solenoid valve on the outlet pipe, is provided with and drives on floor-cleaning machine ontology
Seat is sailed, the side of driver's seat is equipped with control switch, which is electrically connected with the solenoid valve.
By using above-mentioned technical proposal, when occurring dirty patch on the ground perching knife ontology being needed to be purged, control is utilized
Switch opens solenoid valve, so that the water in filtered water tank is flowed on perching knife ontology by outlet pipe, then flowing out of the water outlet pipe will be dirty
Block impregnates, and is then cleared up by perching knife ontology, and when ground does not have dirty patch, solenoid valve is in close state, and saves clear water
Water in case.
The utility model is further arranged to: the water absorber takes off including water suction and mounting rack, and water suction, which is taken off, to be mounted on
It shelves, which is mounted on floor-cleaning machine ontology by bracket, and the both ends of the mounting rack are provided with jack, installation in jack
There is bolt, the upper end of bolt is bolted with nut, and the both ends that upper surface is taken off in water suction are provided with boss, and boss center offers limit
Hole, bolt are inserted in limit hole, and the center that upper surface is taken off in water suction is provided with fixation hole, which washes ground by pipeline connection
The intrinsic foul water tank of machine.
It by using above-mentioned technical proposal, needs to absorb water and take off when being installed to mounting rack, bolt is inserted after bolt passes through jack
Enter into limit hole, subsequent tightening nuts are fixed, and pipeline are connected in fixation hole, so that the sewage in taking off that absorbs water can pass through
Pipeline is drawn into foul water tank.
The utility model is further arranged to: the lower end of the bolt is provided with limited block, and guiding is offered in limit hole
The bottom of slot, guide groove offers swivelling chute along limit hole circumference, and guide groove is Chong Die with swivelling chute one end end, and swivelling chute is another
End offers binding groove along limit hole axially upwards, and the bottom of limit hole is equipped with spring.
By using above-mentioned technical proposal, when bolt is inserted into limit hole and is fixed, the limited block on bolt is along limit
The guide groove opened up in hole glides, and limited block slides onto the guide groove end Chong Die with swivelling chute, the i.e. bottom of guide groove, inserts
The bottom squeeze spring towards limit hole is sold, spring is compressed, and rotating latch, convex block slides onto rotation along swivelling chute rotation-sliding
Turn trough end；After unclamping bolt, spring is moved up by the elastic force driving bolt that compression generates, and limited block slides onto along binding groove
Topmost, spring is still in confined state to binding groove, and it is most upper in binding groove that the elastic force of spring contradicts limited block tightly
End, effectively avoids limited block in use process from sliding out limit hole
The utility model is further arranged to: brush ground device includes brush, hairbrush and spray head, and brush bottom is provided with
Through-hole is equipped with spray head on the through-hole, and the bottom of brush is equipped with hairbrush, and floor-cleaning machine body bottom portion is equipped with driving motor, should
Driving motor and brush are rotatablely connected, and brush connects filtered water tank by pipeline.
By using above-mentioned technical proposal, when brush ground device works, the water in filtered water tank is passed into brush by pipeline
It at spray head, is sprayed by spray head, driving motor starts immediately, and driving motor drives brush rotation, so that the hair in brush
Brush scrubs ground.
The utility model is further arranged to: water suction electricity is equipped on the pipeline that the water absorber is connect with foul water tank
Machine is brushed and is equipped with suction pump on the pipeline that ground device is connect with filtered water tank.
By using above-mentioned technical proposal, the motor that absorbs water is taken off water suction in interior sewage sucking foul water tank, and suction pump will be clear
Water extraction in water tank is sprayed using pipeline from the spray head in brush.
By using above-mentioned technical proposal,
In conclusion the advantageous effects of the utility model are as follows:
1. passing through the setting of perching knife ontology, without manually removing viscous dirty patch on the ground, the dirt of ground can will be sticked to
Under block directly shovels, achieve the effect that improve cleaning efficiency；
2. by the cooperation of bolt and limit hole in water absorber, so that water suction takes off installation on mounting rack and disassembly more
Add simplicity.
Detailed description of the invention
Fig. 1 is a kind of drive type floor cleaning machine overall structure diagram of the utility model；
Fig. 2 is a kind of drive type floor cleaning machine entirety the schematic diagram of the section structure of the utility model；
Fig. 3 is a kind of perching knife body construction schematic diagram of drive type floor cleaning machine of the utility model；
Fig. 4 is a kind of water absorber structural schematic diagram of drive type floor cleaning machine of the utility model；
Fig. 5 is a kind of drive type floor cleaning machine boss the schematic diagram of the section structure of the utility model.
In figure, 1, floor-cleaning machine ontology；2, water absorber；21, water suction is taken off；211, boss；212, limit hole；213, fixed
Hole；214, guide groove；215, swivelling chute；216, binding groove；217, spring；22, mounting rack；221, bolt；222, nut；223,
Limited block；3, brush ground device；31, brush；32, hairbrush；33, spray head；34, driving motor；4, filtered water tank；5, foul water tank；6, it shovels
Knife accommodation groove；7, telescopic rod；71, casing；72, inner tube；8, perching knife ontology；81, water outlet；82, water inlet；83, blade；9,
Outlet pipe；10, fixing axle；11, solenoid valve；12, control switch；13, absorb water motor；14, suction pump.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of drive type floor cleaning machine disclosed by the utility model comprising floor-cleaning machine ontology 1, floor-cleaning machine sheet
1 bottom of body is equipped with water absorber 2 and brush ground device 3, and in the present embodiment, water absorber 2 is mounted on 1 rear of floor-cleaning machine ontology
Bottom, brush ground device 3 is mounted on the bottom of 1 front end of floor-cleaning machine ontology.
Referring to Fig. 2, filtered water tank 4 and foul water tank 5 are installed inside floor-cleaning machine ontology 1, water absorber 2 passes through pipeline and sewage
Case 5 is connected to, and brush ground device 3 is connected to by pipeline with filtered water tank 4, and in the present embodiment, filtered water tank 4 is mounted on foul water tank 5 and washes
Below the driver's seat of ground machine ontology 1, when needing to handle filtered water tank 4 and foul water tank 5, it is only necessary to move driver's seat.
Referring to Fig. 2 and Fig. 3,1 bottom of floor-cleaning machine ontology is provided with perching knife accommodation groove 6, and both ends are respectively mounted in perching knife accommodation groove 6
There is telescopic rod 7, which is connected to 6 bottom of perching knife accommodation groove, and the other end is connected with perching knife ontology 8, the perching knife ontology
8 lower end is provided with water outlet 81, and the upper end of perching knife ontology 8 is provided with water inlet 82, and water inlet 82 is by outlet pipe 9 and clearly
Water tank 4 links together, and in the present embodiment, perching knife ontology 8 is internally provided with channel, which is connected to water inlet 82 and water outlet
Mouthfuls 81, transversely arranged several neat water outlets 81 are provided on perching knife ontology 8, and perching knife sheet is uniformly discharged to convenient for clear water
On body 8.
Referring to Fig. 2 and Fig. 3,6 bottom of perching knife accommodation groove is welded with fixing axle 10, is provided with screw thread in fixing axle 10, stretches
Bar 7 is made of casing 71 and inner tube 72, and the top and 71 bottom end of casing of casing 71 are provided with thread groove, and the top of inner tube 72 is set
It is equipped with the screw thread being cooperatively connected with thread groove, fixing axle 10 and inner tube 72 are screwed onto thread groove, the bottom end of inner tube 72 and shovel
The top of knife ontology 8 welds together.
Referring to Fig. 3, the lower end of perching knife ontology 8 is provided with blade 83, in the present embodiment, perching knife ontology 8 and blade 83 1
It is body formed.
Referring to Figure 1 and Figure 3, it is provided with solenoid valve 11 on outlet pipe 9, driver's seat is provided on floor-cleaning machine ontology 1, drives
The side of seat is equipped with control switch 12, which is electrically connected with solenoid valve 11, in the present embodiment, control switch 12
It can also be mounted at the steering wheel on floor-cleaning machine ontology 1, easily control switch 12 can be grasped convenient for driver
Control.
Referring to Fig. 4, water absorber 2 by water suction take off 21 and mounting rack 22 form, water suction is taken off 21 and is mounted on mounting rack 22, should
Mounting rack 22 is mounted on floor-cleaning machine ontology 1 by bracket, in the present embodiment, one end of bracket and the bottom of floor-cleaning machine ontology 1
Portion's rotation connection, the other end are welded on mounting rack 22, allow mounting rack 22 with rotation when ground washing vehicle ontology turns to
And it rotates.
Referring to Fig. 4, the both ends of mounting rack 22 are provided with jack, bolt 221, the upper end spiral shell of bolt 221 are equipped in jack
It is connected to nut 222, the lower end of bolt 221 is provided with limited block 223, and the both ends that 21 upper surfaces are taken off in water suction are provided with boss 211, convex
211 center of platform offers limit hole 212, and bolt 221 is inserted in limit hole 212, and the center that 21 upper surfaces are taken off in water suction is provided with
Fixation hole 213, the fixation hole 213 connect the foul water tank 5 in floor-cleaning machine ontology 1, in the present embodiment, bolt 221 by pipeline
Upper end have the screw thread being cooperatively connected with nut, in the present embodiment, there are two boss 211 is set, two boss 211 take off water suction
21 are uniformly divided into trisection, there are two the corresponding boss 211 of limit hole 212, bolt 221 is set, so that 21 uses are taken off in water suction after installation
When both ends stress more evenly, avoid one end unbalance stress from tilting, influence water suction and take off 21 soaking effects.
Referring to Fig. 4 and Fig. 5, guide groove 214 is offered in limit hole 212, the bottom of guide groove 214 is along the circle of limit hole 212
Offer swivelling chute 215 week, guide groove 214 is Chong Die with 215 one end end of swivelling chute, and 215 other end of swivelling chute is along limit hole 212
Binding groove 216 is offered axially upwards, and the bottom of limit hole 212 is equipped with spring 217.
Referring to Fig. 2, brush ground device 3 includes brush 31, hairbrush 32 and spray head 33, and 31 bottom of brush is provided with through-hole, this is logical
Spray head 33 is installed, the bottom of brush 31 is equipped with hairbrush 32, and 1 bottom of floor-cleaning machine ontology is equipped with driving motor 34, should on hole
Driving motor 34 and brush 31 are rotatablely connected, and brush 31 connects filtered water tank 4, in the present embodiment, the driving motor by pipeline
34 by gear and rotation axis connection, rotation axis is fixedly connected with the axle center of brush 31, and rotation axis is hollow structure, and pipeline is worn
The center for crossing rotation axis is connected to turntable,
Referring to Fig. 2, water suction motor 13 is installed on the pipeline that water absorber 2 connect with foul water tank 5, brush ground device 3 with clearly
Suction pump 14 is installed on the pipeline that water tank 4 connects.
The implementation principle of the present embodiment are as follows: when floor-cleaning machine is worked, injected clear water and detergent into filtered water tank 4, with
Hand starting detergent ontology, the clear water in filtered water tank 4 are flowed out from brush ground device 3 by pipeline, and brush ground device 3 cleans ground,
When the dirty patch brush for occurring being sticked to ground on ground device 3 cannot be cleaned effectively, stretching in perching knife accommodation groove 6 is adjusted
The length of contracting bar 7 turns casing 71 when the length to telescopic rod 7 being needed to be adjusted, so that inner tube 72 is upper and lower in thread groove
It is mobile, so that the effect for adjusting 7 entire length of telescopic rod is played, so that the bottom of perching knife ontology 8 and ground face contact, filtered water tank 4
In water the water inlet 82 of perching knife ontology 8 is entered by outlet pipe 9, flowed out immediately from water outlet 81, pour on dirty patch, make
Water impregnate then under the drive of floor-cleaning machine dirty patch, under perching knife ontology 8 shovels dirty patch from ground, subsequent floor-cleaning machine ontology
The sewage for cleaning ground is drawn into foul water tank 5 by the water absorber 2 installed on 1, after having cleaned ground, closes brush ground device
3, then several seconds are moved when the substantially all sucking foul water tank 5 of sewage in water absorber 2, floor-cleaning machine is closed, by sewage in foul water tank 5
Cleaning sullage case 5 after discharge.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of drive type floor cleaning machine, including floor-cleaning machine ontology (1), floor-cleaning machine ontology (1) bottom be equipped with water absorber (2) and
Brush ground device (3), it is characterised in that: the floor-cleaning machine ontology (1) is internally provided with filtered water tank (4) and foul water tank (5), water suction dress
It sets (2) to be connected to by pipeline with foul water tank (5), brush ground device (3) is connected to by pipeline with filtered water tank (4), floor-cleaning machine ontology (1)
Bottom is provided with perching knife accommodation groove (6), and the interior both ends of the perching knife accommodation groove (6) are mounted on telescopic rod (7), the telescopic rod (7)
One end is connected to perching knife accommodation groove (6) bottom, and the other end is connected with perching knife ontology (8), and the lower end of the perching knife ontology (8) is provided with
Water outlet (81), the upper end of perching knife ontology (8) are provided with water inlet (82), and water inlet (82) passes through outlet pipe (9) and filtered water tank
(4) it links together.
2. a kind of drive type floor cleaning machine according to claim 1, it is characterised in that: perching knife accommodation groove (6) the bottom weldering
It is connected to fixing axle (10), screw thread is provided in fixing axle (10), telescopic rod (7) includes casing (71) and inner tube (72), casing
(71) top and casing (71) bottom end is provided with thread groove, and the top of inner tube (72) is provided with and thread groove mating connection
Screw thread, fixing axle (10) and inner tube (72) are screwed onto thread groove, and the bottom end of inner tube (72) and the top of perching knife ontology (8) are welded
It is connected together.
3. a kind of drive type floor cleaning machine according to claim 1, it is characterised in that: the lower end of the perching knife ontology (8) is set
It is equipped with blade (83).
4. a kind of drive type floor cleaning machine according to claim 1, it is characterised in that: be provided with electricity on the outlet pipe (9)
Magnet valve (11) is provided with driver's seat on floor-cleaning machine ontology (1), and the side of driver's seat is equipped with control switch (12), which opens
(12) are closed to be electrically connected with solenoid valve (11).
5. a kind of drive type floor cleaning machine according to claim 1, it is characterised in that: the water absorber (2) includes water suction
(21) and mounting rack (22) are taken off, water suction is taken off (21) and is mounted on mounting rack (22), which is mounted on by bracket washes
On ground machine ontology (1), the both ends of the mounting rack (22) are provided with jack, are equipped in jack bolt (221), bolt (221)
Upper end is bolted with nut (222), and the lower end of bolt (221) is provided with limited block (223), and the both ends that (21) upper surface is taken off in water suction are set
It is equipped with boss (211), boss (211) center offers limit hole (212), and bolt (221) is inserted in limit hole (212), inhales
The center that water takes off (21) upper surface is provided with fixation hole (213), which connects floor-cleaning machine ontology (1) by pipeline
Interior foul water tank (5).
6. a kind of drive type floor cleaning machine according to claim 5, it is characterised in that: offered in the limit hole (212)
The bottom of guide groove (214), guide groove (214) offers swivelling chute (215) along limit hole (212) circumference, guide groove (214) with
The overlapping of swivelling chute (215) one end end, swivelling chute (215) other end offer binding groove along limit hole (212) axially upwards
(216), the bottom of limit hole (212) is equipped with spring (217).
7. a kind of drive type floor cleaning machine according to claim 1, it is characterised in that: the brush ground device (3) includes brush
(31), hairbrush (32) and spray head (33), brush (31) bottom are provided with through-hole, spray head (33), brush are equipped on the through-hole
(31) bottom is equipped with hairbrush (32), and floor-cleaning machine ontology (1) bottom is equipped with driving motor (34), the driving motor (34) with
Brush (31) rotation connection, brush (31) connect filtered water tank (4) by pipeline.
8. a kind of drive type floor cleaning machine according to claim 1, it is characterised in that: the water absorber (2) and foul water tank
(5) water suction motor (13) is installed on the pipeline connected, pumping is installed on the pipeline that brush ground device (3) is connect with filtered water tank (4)
Water pump (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947309.1U CN209712772U (en) | 2018-11-23 | 2018-11-23 | A kind of drive type floor cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947309.1U CN209712772U (en) | 2018-11-23 | 2018-11-23 | A kind of drive type floor cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209712772U true CN209712772U (en) | 2019-12-03 |
Family
ID=68658904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821947309.1U Expired - Fee Related CN209712772U (en) | 2018-11-23 | 2018-11-23 | A kind of drive type floor cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209712772U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022016A (en) * | 2020-09-09 | 2020-12-04 | 安徽易博清洁设备有限公司 | Adjustable floor-washing vehicle cleaning mechanism |
| CN112022015A (en) * | 2020-09-09 | 2020-12-04 | 安徽易博清洁设备有限公司 | Full-automatic industrial ground washing vehicle |
| CN112641386A (en) * | 2020-12-22 | 2021-04-13 | 张世华 | Domestic clearance robot based on 5G |
| CN114766996A (en) * | 2022-04-29 | 2022-07-22 | 合肥酷尔环保科技有限公司 | Driving type industrial floor washing machine |
-
2018
- 2018-11-23 CN CN201821947309.1U patent/CN209712772U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022016A (en) * | 2020-09-09 | 2020-12-04 | 安徽易博清洁设备有限公司 | Adjustable floor-washing vehicle cleaning mechanism |
| CN112022015A (en) * | 2020-09-09 | 2020-12-04 | 安徽易博清洁设备有限公司 | Full-automatic industrial ground washing vehicle |
| CN112641386A (en) * | 2020-12-22 | 2021-04-13 | 张世华 | Domestic clearance robot based on 5G |
| CN114766996A (en) * | 2022-04-29 | 2022-07-22 | 合肥酷尔环保科技有限公司 | Driving type industrial floor washing machine |
| CN114766996B (en) * | 2022-04-29 | 2024-04-05 | 合肥酷尔环保科技有限公司 | Driving type industrial floor washing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20211123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |