CN107440650B - A kind of family's cleaning tool - Google Patents
A kind of family's cleaning tool Download PDFInfo
- Publication number
- CN107440650B CN107440650B CN201710643578.2A CN201710643578A CN107440650B CN 107440650 B CN107440650 B CN 107440650B CN 201710643578 A CN201710643578 A CN 201710643578A CN 107440650 B CN107440650 B CN 107440650B
- Authority
- CN
- China
- Prior art keywords
- bar
- dustpan
- hole
- hollow
- check valve
- 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.)
- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 244000007853 Sarothamnus scoparius Species 0.000 abstract description 27
- 239000007921 spray Substances 0.000 abstract description 21
- 210000004209 hair Anatomy 0.000 abstract description 10
- 239000000428 dust Substances 0.000 abstract description 9
- 239000002689 soil Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/50—Auxiliary implements
- A47L13/52—Dust pans; Crumb trays
-
- 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
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/50—Auxiliary implements
Landscapes
- Brushes (AREA)
Abstract
There is hair batting and dust soil in effective solution broom in a kind of Domestic two cleaning tool；The present invention includes dustpan；Dustpan bar, dustpan bar are fixedly mounted on above dustpan, and piston is inserted in dustpan bar；Lower end is installed with hollow shaft at left and right sides of dustpan bar；It is slided up and down on the left of dustpan bar and baffle is installed；Telescopic rod, telescopic rod include flexible thick bar and flexible thin bar, and flexible thick bar vertical direction is slidably mounted on front side of dustpan bar, and flexible thin bar is inserted into flexible thick bar；Hollow roller, hollow roller are rotatably installed in hollow shaft, the hollow brush holder support being evenly equipped on hollow roller inside multiple connection hollow rollers；The present invention is mainly used to clear up some hairs wound on broom, dustpan bar can enable the brush holder support on idler wheel spray gas and water by piston apparatus, more efficiently and the cleaning broom Shangdi booty of more strength, it is provided with linkage control structure on dustpan bar, gear can be arbitrarily selected, there is higher independence and flexibility.
Description
Technical field
The present invention relates to cleaning device technical field, more particularly to a kind of family's cleaning tool.
Background technology
Broom is the tool being commonly used in people's daily life, and usual broom is used together to clear up rubbish with dustpan,
People during cleaning, it can be seen that on broom often winding or adhesion have some hairs either clothing or by
Batting on cotton-padded mattress, these dirts often depend in broom, it is difficult to be cleared up, so people can be directly with hand come clear
These booties are managed, do so both unhygienic, are had an impact to the health of human body, and cleaning efficiency is very low.
In some cases, can include a large amount of dust and soil in the broom that people use so that clear up unclean, meeting
There is the situation for the more sweeping the more dirty, and among soil dust and hair batting coexist in broom, soil, dust hair and batting
It sticks to each other so that it is more inconvenient that people clear up broom.
So needing a kind of family's cleaning tool to solve the problems, such as this.
Invention content
For the above situation, to overcome the defect of the prior art, the purpose of the present invention to be just to provide a kind of family's fettler
There is hair batting and dust soil in effective solution broom in tool.
Its technical solution solved is that the present invention includes
Dustpan；
Dustpan bar, dustpan bar are fixedly mounted on above dustpan, are the hollow-core construction of opening upwards in dustpan bar, in dustpan bar
It is inserted with piston, piston upper end is fixedly connected with the piston rod that dustpan bar upper end is stretched out in end；Lower end setting at left and right sides of dustpan bar
There is holder, hollow shaft is installed on holder, multiple through-holes are evenly equipped in hollow shaft, is provided in holder in connection dustpan bar
Straight slot inside portion and hollow shaft is equipped with the first check valve in straight slot；It is slided up and down on the left of dustpan bar and baffle is installed, baffle
On be vertically arranged with straight slot guide rail, multiple protrusions are provided on baffle；It is single that second be vertically arranged is provided on rear side of dustpan bar
To valve and third check valve, it is provided on the left of dustpan bar and is in the of sustained height with the second check valve and third check valve respectively
Two through-holes and third through-hole, third through-hole top are provided with first through hole, the front and back cunning in dustpan bar are provided in first through hole
It is provided with the second sliding block slid back and forth in dustpan bar in dynamic the first sliding block, the second through-hole, is provided in third through-hole
The third sliding block slid back and forth in dustpan bar, one end that the second sliding block stretches out dustpan bar are provided with and are connected with straight slot guide rail
Runner；
Telescopic rod, telescopic rod include flexible thick bar and flexible thin bar, and flexible thick bar vertical direction is slidably mounted on dustpan bar
Front side, flexible thin bar are inserted into flexible thick bar, and flexible thin bar upper end is fixedly connected with piston rod, constitutes piston and flexible thin bar
The structure slided up and down jointly, the lower end of flexible thick bar is vertically-mounted rack；
Hollow roller, hollow roller are rotatably installed in hollow shaft, are installed on hollow roller and are engaged with rack
Ring gear, the hollow brush holder supports being evenly equipped on hollow roller inside multiple connection hollow rollers.
The present invention is mainly used to clear up the hair on some hairs of winding or adhesion either clothing or bedding on broom
Wadding, idler wheel is controlled equipped with telescopic rod, can easily rotation roller, so that the brush holder support on idler wheel is cleaned up the booty on broom,
The burden of people's cleaning can be reduced.
It is provided with piston structure in dustpan bar, venthole is provided on piston, limbers can be made by controlling piston apparatus
Brush holder support on idler wheel can spray gas and water, can dissolve and stick in broom Shangdi soil, and prevent the rotation because of idler wheel from making
Dust on broom is flown upward, reduce secondary pollution caused by dust, reduce the damage to people's body, more efficiently and
The cleaning broom Shangdi booty of more strength.
Be provided with linkage control structure on dustpan bar, can arbitrarily select and meanwhile water and air injection and idler wheel rotation, only spray
Gas do not spray water and idler wheel rotation, only water spray not jet and idler wheel rotation, neither spray water and jet and idler wheel rotation, water and air injection
And idler wheel does not turn, jet is not sprayed water and idler wheel does not turn, only water spray not jet and idler wheel do not turn and neither spray water and jet and
The gear that idler wheel does not turn has higher independence and flexibility, can select different cleanings according to different actual conditions
Mode more efficient can efficiently sweep environment.
Description of the drawings
Fig. 1 is the front view of the present invention.
Fig. 2 is the side view of the present invention.
Fig. 3 is the vertical view of the present invention.
Fig. 4 is the enlarged cross-sectional view of A in Fig. 1 of the present invention.
Fig. 5 is the enlarged cross-sectional view of B in Fig. 2 of the present invention.
Fig. 6 is the enlarged cross-sectional view of C in Fig. 2 of the present invention.
Fig. 7 is the enlarged cross-sectional view of D in Fig. 2 of the present invention.
Fig. 8 is the sectional view of E-E in Fig. 2 of the present invention.
Fig. 9 is the enlarged cross-sectional view of F in Fig. 3 of the present invention.
Specific implementation mode
The specific implementation mode of the present invention is described in further detail below in conjunction with attached drawing.
Embodiment：
It is provided by Fig. 1 to Fig. 9, the present invention includes
Dustpan 1；
Dustpan bar 2, dustpan bar 2 are fixedly mounted on 1 top of dustpan, are the hollow-core construction of opening upwards, dustpan in dustpan bar 2
Piston 3 is inserted in bar 2,3 upper end of piston is fixedly connected with the piston rod 21 that 2 upper end of dustpan bar is stretched out in end；Dustpan bar 2 or so two
Side lower end is provided with holder 4, and hollow shaft 5 is installed on holder 4, is evenly equipped with multiple through-holes 22 in hollow shaft 5, in holder 4
It is provided with 2 inside of connection dustpan bar and the straight slot 23 inside hollow shaft 5, first check valve 6 is installed in straight slot 23；Dustpan bar 2
Left side, which slides up and down, is equipped with baffle 9, and straight slot guide rail 30 is vertically arranged on baffle 9, multiple raised 10 are provided on baffle 9；
The rear side of dustpan bar 2 is provided with the second check valve 7 being vertically arranged and third check valve 8,2 left side of dustpan bar be provided with respectively with
Second check valve 7 and third check valve 8 are in the second through-hole 24 and third through-hole 25 of sustained height, and 25 top of third through-hole is set
It is equipped with first through hole 28, the first sliding block 29 slid back and forth in dustpan bar 2 is provided in first through hole 28, in the second through-hole 24
It is provided with the second sliding block 27 slid back and forth in dustpan bar 2, is provided in third through-hole 25 and is slid back and forth in dustpan bar 2
Third sliding block 26, one end that the second sliding block 27 stretches out dustpan bar 2 are provided with the runner 31 being connected with straight slot guide rail 30；
Telescopic rod, telescopic rod include flexible thick bar 11 and flexible thin bar 12, and flexible 11 vertical direction of thick bar is slidably mounted on
2 front side of dustpan bar, flexible thin bar 12 are inserted into flexible thick bar 11, and flexible 12 upper end of thin bar is fixedly connected with piston rod 21, structure
At the structure that piston 3 and flexible thin bar 12 slide up and down jointly, the lower end of flexible thick bar 11 is vertically-mounted rack 13；
Hollow roller 14, hollow roller 14 are rotatably installed in hollow shaft 5, are installed on hollow roller 14 and rack
The ring gears 15 of 13 engagements, the hollow brush holder supports 16 being evenly equipped on hollow roller 14 inside multiple connection hollow rollers 14.
It is provided with the first threaded hole in the flexible thick bar 11, is provided with and the first screw thread hole site in flexible thin bar 12
Corresponding second threaded hole is equipped with screw 17 in the first threaded hole.
1 rear side of dustpan is provided with water tank 18, and water pipe 19 is provided in water tank 18, and water tank is stretched out in one end of water pipe 19
18 are connected with third check valve 8.
It is provided with sealing strip 19 in the first through hole 28, the second through-hole 24 and third through-hole 25.
The sealing ring 20 with the cooperation installation of hollow shaft 5 is provided at both ends in the hollow roller 14.
First check valve 6, the second check valve 7 and the third check valve 8 includes valve body 32, and valve body 32 is equipped with ventilation
Hole, venthole are provided with tension spring 33, and one end of tension spring 33 is fixedly connected with valve body 32, and the other end that tension spring 33 stretches out valve body 32 is solid
Surely it is connected with sphere 34.
In the use of the present invention, the broom cleared up will be needed to be bonded with idler wheel, piston rod 21 is pulled up, piston rod 21 is drawn
Dynamic flexible thin bar 11, flexible thin bar 11 are fixed with flexible thick bar 13 by screw 17, therefore flexible thick bar 11 also moves up, Gu
The rack 13 of 11 lower end of flexible thick bar is scheduled on by being engaged with the ring gear 15 on idler wheel so that idler wheel does rolling clockwise
It is dynamic, the booty being adhered on broom is taken out of by brush holder support 16, is pressed down against piston 3, rack 13 follows flexible thick bar 11 downward
It is mobile so that idler wheel does roll counter-clockwise, and both direction is used in combination, and can more fully clear up the booty on broom.
When pulling up piston 3,3 upward sliding of piston, the air pressure in cavity in dustpan bar 2 reduces, extraneous to cavity
The air-flow and flow of interior inflow make the sphere 34 on 8 valve body 32 of the second check valve 7 and third check valve inwardly squeeze, and make valve body 32
It detaches, is flowed into cavity to make extraneous air pass through third check valve 8, the water in water tank 18 is through water pipe 19 with sphere 34
It is flowed into from the second check valve 7 into dustpan rod cavity body；When stopping pulls up piston 3, the air pressure in 2 cavity of dustpan bar keeps steady
Fixed, the sphere 34 on the second check valve 7 and third check valve 8 blocks the through-hole in valve body 32 under the action of 33 pulling force of tension spring,
The cavity in dustpan bar 2 is set to form confined space；It is pressed down against piston 3,3 slide downward of piston, in the cavity in dustpan bar 2
Air pressure increases, and so that the sphere 34 on 6 valve body 32 of the first check valve is squeezed in vitro to dustpan rod cavity, valve body 32 and sphere 34 is made to divide
From to make air in cavity and water pass through the straight slot 23 in holder 4 and be flowed out to outside cavity, gas and the water for flowing out cavity are logical
It crosses the straight slot 23 in holder 4 to flow into hollow shaft 5, then is flowed into hollow roller 14 from the through-hole in hollow shaft 5, flowed into hollow
Under the pressure of gas and water in 2 inner chamber body of dustpan bar in idler wheel 14, is sprayed out of brush holder support 16 on hollow roller 14, make water
Gas sprays jointly, has the function that clean broom.
Before using the present invention, baffle 9 is pulled up, the protrusion 10 on baffle 9 on second through-hole, 24 position is made to move
Onto the position of third through-hole 25, third sliding block 26 and 29 position of the first sliding block remain unchanged, and the second sliding block 27 is in baffle 9
It under effect, is slided into dustpan bar 2 so that the second sliding block 27 is bonded with the sphere 34 of the second check valve 7, to keep third unidirectional
The sphere 34 of valve 8 can not be moved because extraneous flow is inwardly squeezed into 2 cavity of dustpan bar, constituted and be closed third check valve
8 effect so that gas is can only enter in dustpan bar 2, when pulling up piston 3 and being pressed down against piston 3, hollow roller 14
On brush holder support 16 can only play the function of jet, when clearing up broom, need not can select this function with water.
Before using the present invention, baffle 9 is pulled downward on, the protrusion 10 on baffle 9 on 25 position of third through-hole is made to move
Onto the position of the second through-hole 24, the first sliding block 29 and 27 position of the second sliding block remain unchanged, and third sliding block 26 is in baffle 9
It under effect, is slided into dustpan bar 2 so that third sliding block 26 is bonded with the sphere 34 of third check valve 8, second unidirectional to make
The sphere 34 of valve 7 can not be moved because extraneous air-flow is inwardly squeezed into 2 cavity of dustpan bar, constituted and be closed the second check valve
7 effect so that water is can only enter in dustpan bar 2, when pulling up piston 3 and being pressed down against piston 3, on hollow roller 14
Brush holder support 16 can only play the function of water spray, need not with gas come when clearing up broom, or reinforce the intensity that flow sprays,
It can select this function.
Before using the present invention, baffle 9 is pulled downward on, the position of third through-hole 25 and the second through-hole 24 on baffle 9 is made
Without protrusion 10, and there is protrusion 10 on baffle 9 on the position of first through hole, third sliding block 26 and 27 position of the second sliding block are kept not
Become, and the first sliding block 29 slides under the action of baffle 9 to outside dustpan bar 2, and the first sliding block 29 is made to leave first through hole 28, to
Confined space cannot be formed in 2 cavity of dustpan bar, when pulling up and pulling downward on piston 3, hollow roller 14 can only be controlled
Rotation, and can not make 16 jet of brush holder support or the water spray on hollow roller 14, only use the rotation of hollow roller 14 without
Jet can select this function when spraying water.
Before using the present invention, the screw 17 on rotating extensible arm can be selected, screw 17 is made to enter thin bar 12 of stretching
On the second threaded hole, then thin bar of stretching 12 can be slided up and down when piston 3 is moved up and down in flexible thick bar 11, flexible
11 position of thick bar remains unchanged, and the rack 13 and ring gear 15 for 11 lower end of thick bar of stretching are slack, then hollow holding does not turn, only
Need 14 jet of hollow roller, water spray or aqueous vapor to spray altogether makes without rotating hollow roller 14, can select this function.
The present invention is mainly used to clear up the hair on some hairs of winding or adhesion either clothing or bedding on broom
Wadding, idler wheel is controlled equipped with telescopic rod, can easily rotation roller, so that the brush holder support 16 on idler wheel is cleared up the booty on broom
Fall, the burden of people's cleaning can be reduced.
It is provided with 3 structure of piston in dustpan bar 2, venthole is provided on piston 3, limbers can be filled by controlling piston 3
Setting enables the brush holder support 16 on idler wheel to spray gas and water, can dissolve and stick in broom Shangdi soil, and prevent because of idler wheel
So that the dust on broom is flown upward, secondary pollution caused by reduction dust reduces the damage to people's body, more has for rotation
The cleaning broom Shangdi booty of efficiency and more strength.
Be provided with linkage control structure on dustpan bar 2, can arbitrarily select and meanwhile water and air injection and idler wheel rotation, only spray
Gas do not spray water and idler wheel rotation, only water spray not jet and idler wheel rotation, neither spray water and jet and idler wheel rotation, water and air injection
And idler wheel does not turn, jet is not sprayed water and idler wheel does not turn, only water spray not jet and idler wheel do not turn and neither spray water and jet and
The gear that idler wheel does not turn has higher independence and flexibility, can select different cleanings according to different actual conditions
Mode more efficient can efficiently sweep environment.
Claims (6)
1. a kind of family's cleaning tool, which is characterized in that including
Dustpan（1）；
Dustpan bar（2）, dustpan bar（2）It is fixedly mounted on dustpan（1）Top, dustpan bar（2）The interior hollow-core construction for opening upwards,
Dustpan bar（2）Inside it is inserted with piston（3）, piston（3）Upper end is fixedly connected with end and stretches out dustpan bar（2）The piston rod of upper end
（21）；Dustpan bar（2）Left and right sides lower end is provided with holder（4）, holder（4）On be installed with hollow shaft（5）, hollow shaft
（5）On be evenly equipped with multiple through-holes（22）, holder（4）Inside it is provided with connection dustpan bar（2）Internal and hollow shaft（5）Internal straight slot
（23）, straight slot（23）First check valve is inside installed（6）；Dustpan bar（2）Left side, which slides up and down, is equipped with baffle（9）, baffle（9）
On be vertically arranged with straight slot guide rail（30）, baffle（9）On be provided with multiple protrusions（10）；Dustpan bar（2）Rear side be provided with it is perpendicular
Second check valve of in line row（7）With third check valve（8）, dustpan bar（2）Left side be provided with respectively with the second check valve（7）With
Third check valve（8）The second through-hole in sustained height（24）And third through-hole（25）, third through-hole（25）Top is provided with
First through hole（28）, first through hole（28）It is inside provided in dustpan bar（2）The first sliding block inside slid back and forth（29）, the second through-hole
（24）It is inside provided in dustpan bar（2）The second sliding block inside slid back and forth（27）, third through-hole（25）It is inside provided in dustpan bar
（2）The third sliding block inside slid back and forth（26）, the second sliding block（27）Stretch out dustpan bar（2）One end be provided with and straight slot guide rail
（30）The runner of mating connection（31）；
Telescopic rod, telescopic rod include flexible thick bar（11）With flexible thin bar（12）, thick bar of stretching（11）Vertical direction is slidably installed
In dustpan bar（2）Front side, thin bar of stretching（12）It is inserted into flexible thick bar（11）It is interior, thin bar of stretching（12）Upper end and piston rod（21）
It is fixedly connected, constitutes piston（3）With flexible thin bar（12）The structure slided up and down jointly, thick bar of stretching（11）Lower end pacify vertically
Equipped with rack（13）；
Hollow roller（14）, hollow roller（14）It is rotatably installed in hollow shaft（5）On, hollow roller（14）On be installed with
Rack（13）The ring gear of engagement（15）, hollow roller（14）On be evenly equipped with multiple connection hollow rollers（14）Internal hollow brush holder support
（16）.
2. a kind of family's cleaning tool according to claim 1, which is characterized in that the flexible thick bar（11）Upper setting
There is the first threaded hole, thin bar of stretching（12）On be provided with the second threaded hole corresponding with the first screw thread hole site, the first threaded hole
Screw is inside installed（17）.
3. a kind of family's cleaning tool according to claim 1, which is characterized in that the dustpan（1）Rear side is provided with
Water tank（18）, water tank（18）Inside it is provided with water pipe（19）, water pipe（19）One end stretch out water tank（18）With third check valve（8）Match
Close connection.
4. a kind of family's cleaning tool according to claim 1, which is characterized in that the first through hole（28）, second
Through-hole（24）And third through-hole（25）Inside it is provided with sealing strip（19）.
5. a kind of family's cleaning tool according to claim 1, which is characterized in that the hollow roller（14）Interior both ends
It is provided with and hollow shaft（5）Coordinate the sealing ring of installation（20）.
6. a kind of family's cleaning tool according to claim 1, which is characterized in that first check valve（6）, second
Check valve（7）With third check valve（8）It include valve body（32）, valve body（32）Equipped with venthole, venthole is provided with tension spring
（33）, tension spring（33）One end and valve body（32）It is fixedly connected, tension spring（33）Stretch out valve body（32）The other end be fixedly connected with
Sphere（34）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643578.2A CN107440650B (en) | 2017-07-31 | 2017-07-31 | A kind of family's cleaning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643578.2A CN107440650B (en) | 2017-07-31 | 2017-07-31 | A kind of family's cleaning tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107440650A CN107440650A (en) | 2017-12-08 |
| CN107440650B true CN107440650B (en) | 2018-10-26 |
Family
ID=60490032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710643578.2A Expired - Fee Related CN107440650B (en) | 2017-07-31 | 2017-07-31 | A kind of family's cleaning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107440650B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108402985B (en) * | 2018-02-28 | 2020-08-25 | 重庆七七七快洁净电子商务有限公司 | Glass both sides cleaning device |
| CN108787515A (en) * | 2018-06-27 | 2018-11-13 | 施旭梅 | A kind of industrial machinery platform cleaning device convenient for cleaning |
| CN111973098B (en) * | 2020-06-05 | 2021-11-30 | 淮北博桓新能源科技有限公司 | Anti-sticking broom |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140115813A1 (en) * | 2012-10-30 | 2014-05-01 | Kevin Alan Tussy | Dustpan |
| CN103815836A (en) * | 2012-11-19 | 2014-05-28 | 青岛理工大学琴岛学院 | Multifunctional sanitary dustpan |
| CN104224067A (en) * | 2014-07-31 | 2014-12-24 | 洛阳理工学院 | Dustpan capable of clearing broom |
| CN204971155U (en) * | 2015-06-26 | 2016-01-20 | 刘文杰 | Multifunctional dustpan |
-
2017
- 2017-07-31 CN CN201710643578.2A patent/CN107440650B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107440650A (en) | 2017-12-08 |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 |