CN206576821U - From mobile ground processing unit and suction nozzle - Google Patents
From mobile ground processing unit and suction nozzle Download PDFInfo
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- CN206576821U CN206576821U CN201621202452.9U CN201621202452U CN206576821U CN 206576821 U CN206576821 U CN 206576821U CN 201621202452 U CN201621202452 U CN 201621202452U CN 206576821 U CN206576821 U CN 206576821U
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- sealing strip
- preceding sealing
- suction inlet
- processing unit
- ground processing
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Abstract
The utility model provides a kind of from mobile ground processing unit and suction nozzle, it is described at least to include apparatus main body and coupled suction nozzle (1000) from mobile ground processing unit, the suction nozzle bottom offers suction inlet (100), if direction of advance of the suction nozzle in operation process for it is preceding to, preceding sealing strip (1003) is provided with front side of suction inlet, the preceding sealing strip includes fixing end (10031) and the free end (10032) extended to working surface (B), the preceding sealing strip uses flexible sealing strip, and preceding sealing strip be disposed offset from before to, so that the projection of the fixing end on the work surface is located at before the projection of free end on the work surface.The sealing of suction inlet surrounding improves the pull of vacuum in suction inlet on the utility model suction nozzle, and then improves the dust collection capacity from mobile ground processing unit；Setting direction, shape and the material of especially preceding sealing strip, it is ensured that the utility model can effectively absorb big particle dust and keep the vacuum of suction inlet, and efficiency of dust collection is high.
Description
Technical field
The utility model is related to one kind from mobile ground processing unit and suction nozzle, belongs to small household appliances manufacturing technology field.
Background technology
The cleaning device or system of ground dedusting are carried out so that its is easy to operate, efficiently made extensively by pull of vacuum
With, the size of suction inlet pull of vacuum in operation process of its suction nozzle plays vital effect to the quality of dust removing effects,
And the size of suction inlet pull of vacuum then depends on the set-up mode of suction inlet sealing structure.Fig. 1 and Fig. 2 are respectively existing cleaning systems
One of suction nozzle polycrystalline substance schematic diagram sum it two.As shown in Figure 1 and Figure 2, the suction inlet sealing structure of existing cleaning systems is mainly wrapped
Two kinds are included, specifically, if setting direction of advance of the cleaning systems in operation process as before, i.e.,：A in Fig. 1 is to by Fig. 1
Understand, then sealed at the rear of suction inlet 100 and arranged on left and right sides flexible glue bar 200, front end is open；The suction inlet of this structure is true
Empty suction losses are big, and dust removing effects are poor.As shown in Figure 2, another suction inlet sealing structure is then suction inlet sealing in one week, forward end seal
For hard material, front end is by opening up gap 300 to facilitate suction big particle；The device moving resistance of this structure is big, and
And larger particles cannot be sucked.In simple terms, the surrounding of existing cleaning systems bottom suction inlet is typically provided with sealing strip, for carrying
Vacuum at high suction inlet；If being sealed however, suction inlet front seal bar is whole, as suction inlet is moved forwards, preceding sealing strip
Also the bulky grain dust in front of suction inlet can forward be pushed away, can equally influences the operating efficiency of cleaning systems.
Fig. 3 be Authorization Notice No. be CN 101524259B dust catcher overall structure diagram.As shown in figure 3, this is existing
Technology discloses the suction nozzle that a kind of bottom is provided with suction inlet, and its suction inlet front seal bar is provided with opening 15, and the opening can whole or portion
Enfeoffment is closed.Under normal operation, opening 15 is closed, and keeps larger vacuum at suction inlet, when needing to absorb bulky grain dust
When, opening 15 is opened, so as to absorb thick dirt.But the suction inlet has two big drawbacks, first, it is necessary to set sealing before regulation
The adjusting means that bar opening is opened or closed, second, when current sealing strip opening is opened, the vacuum reduction of suction inlet, dust suction effect
Rate is reduced.
Therefore, in view of above-mentioned a variety of deficiencies present in prior art, one kind can draw big particle dust and can protect
Hold the dust catcher of suction inlet vacuum urgently utility model.
Utility model content
Technical problem to be solved in the utility model is in view of the shortcomings of the prior art there is provided one kind from mobile ground
The sealing of suction inlet surrounding improves the pull of vacuum in suction inlet on processing unit and suction nozzle, suction nozzle, and then improves from mobile ground
The dust collection capacity of processing unit；Setting direction, shape and the material of especially preceding sealing strip, it is ensured that the utility model can be
Effectively absorb big particle dust and keep the vacuum of suction inlet, efficiency of dust collection is high.
Technical problem to be solved in the utility model is achieved by the following technical solution：
It is a kind of from mobile ground processing unit, at least including apparatus main body and coupled suction nozzle, the suction nozzle bottom
Offer suction inlet, if direction of advance of the suction nozzle in operation process for it is preceding to, be provided with preceding sealing strip on front side of suction inlet, it is described before seal
Bar includes fixing end and free end, and the preceding sealing strip uses flexible sealing strip, and preceding sealing strip be disposed offset from before to so that
The projection of the fixing end on the work surface is located at before the projection of free end on the work surface.
Specifically, the preceding sealing strip is arranged on the front side of the suction inlet by the fixing end.In order to close before improving
The deformability of strip of paper used for sealing, the thickness of free end described in the thickness ＜ of the fixing end.Preferably, the thickness of the preceding sealing strip is not
More than 1.8mm.
As needed, the shape of the preceding sealing strip can be arc.Particularly, also installed at the suction inlet of the suction nozzle
When having round brush, in order to ensure dust removing effects and make nozzle structure compact, and preceding sealing strip is not interfered with round brush, the preceding sealing strip
It is arranged concentrically with the round brush.
Further, the suction nozzle bottom is provided with the middle part of suction inlet cover plate, suction inlet cover plate and offers the suction inlet, inhales
Velar plate is respectively equipped with left side cover and right side cover including arranged on left and right sides, and each cover includes the rake and rear side of front side
Planar portions, the free end of the preceding sealing strip and the contact point of working surface be located at the planar portions foremost or positioned at most
The rear of front end.
In addition, the left and right side of the suction inlet cover plate covers and is covered with cushion.
For the deformability of sealing strip before improving, multiple gaps are interval with the preceding sealing strip.
In order to ensure sealing, the width≤5mm in the gap.
It is such as small when the longitudinal length of the preceding sealing strip is not especially big for the deformability of sealing strip before improving
In 10mm, the length in the gap is identical with the longitudinal length of the preceding sealing strip.Or, the length in the gap, which is set, to be more than
3mm so that the preceding sealing strip can grind most of bulky grain dusts, such as grain of rice.
Similarly, for the deformability of sealing strip before improving, it can also be interval with the preceding sealing strip multiple
Gap.
In order to improve the vacuum of suction inlet, the length of the preceding sealing strip is more than height of the fixing end apart from working surface
Degree so that operationally, the free end of preceding sealing strip is compressed on the work surface suction nozzle.
When being operated in the working surfaces such as floor, in order to which sealing strip scraping ground treasured causes to produce noise during walking before preventing,
There is certain gap between the free end of the preceding sealing strip and working surface.Meanwhile, in order to not influence the close of preceding sealing strip
Sealing property, the free end of the preceding sealing strip is not more than 1.5mm apart from the height of working surface
The utility model also provides a kind of suction nozzle, and its bottom offers suction inlet, if advance side of the suction nozzle in operation process
Xiang Weiqian is to provided with preceding sealing strip on front side of suction inlet, the preceding sealing strip includes fixing end and free end, and the preceding sealing strip is used
Flexible sealing strip, and preceding sealing strip be disposed offset from before be located at freely to so that the projection of the fixing end on the work surface
Before the projection of end on the work surface.
In summary, the utility model provides a kind of from the suction inlet surrounding on mobile ground processing unit and suction nozzle, suction nozzle
Sealing improve pull of vacuum in suction inlet, and then improve the dust collection capacity from mobile ground processing unit；Due to preceding sealing
The set-up mode of bar makes the projection of its fixing end on the work surface be located at before the projection of free end on the work surface, and preceding
Sealing strip is flexible sealing strip, is such as made of flexible material, when being contacted in operation process with bulky grain dirt, it is easier to curved
Song ground big particle dust, make its cross rapidly before sealing strip enter in suction inlet, and in round brush and/or the work of pull of vacuum
Under, it is brought into dirt box, so as to complete dedusting work；Therefore, the utility model can effectively absorb big particle dust
And the vacuum of suction inlet is kept, efficiency of dust collection is high.
Below in conjunction with the accompanying drawings and specific embodiment, the technical solution of the utility model is described in detail.
Brief description of the drawings
Fig. 1 is one of suction nozzle polycrystalline substance schematic diagram of existing cleaning systems；
Fig. 2 is the two of the suction nozzle polycrystalline substance schematic diagram of existing cleaning systems；
Fig. 3 be Authorization Notice No. be CN 101524259B dust catcher overall structure diagram；
Fig. 4 is the suction nozzle polycrystalline substance schematic diagram of the utility model embodiment one；
Fig. 5 is the suction nozzle side structure schematic diagram of the utility model embodiment one；
Fig. 6 is the suction nozzle polycrystalline substance schematic diagram of the utility model embodiment two；
Fig. 7 is the suction nozzle front structure schematic diagram of the utility model embodiment two；
Fig. 8 is the suction nozzle polycrystalline substance schematic diagram of the utility model embodiment three；
Fig. 9 is the structural representation of sealing strip before the utility model.
Embodiment
Embodiment one
Fig. 4 is the suction nozzle polycrystalline substance schematic diagram of the utility model embodiment one；Fig. 5 is the suction nozzle of the utility model embodiment one
Side structure schematic diagram.Such as Fig. 4 and with reference to shown in Fig. 5, the utility model provides one kind from mobile ground processing unit, at least wraps
Include apparatus main body (not shown) and coupled suction nozzle 1000, the bottom of suction nozzle 1000 offers suction inlet 100, Fig. 4
With A in Fig. 5 to the direction of advance for suction nozzle 1000 in operation process, if the direction of advance for it is preceding to.The front side of suction inlet 100 is provided with
Preceding sealing strip 1003, rear side is provided with rear scraping article 1002.As shown in figure 5, preceding sealing strip 1003 is shaped as arc, including fixing end
10031 and free end 10032, preceding sealing strip 1003 is arranged on the front side of the suction inlet 100 by fixing end 10031.Before described
Sealing strip 1003 is flexible sealing strip, is such as made of TPU, TPE, silica gel, PUC materials, it is ensured that preceding sealing strip has preferable
Elastic deformation ability.And simultaneously preceding sealing strip 1003 be disposed offset from before to so that fixing end 10031 is on working surface B
Projection be located at projection of the free end 10032 on working surface B before.Specifically, as shown in Figure 5, by preceding sealing strip
1003 are shaped to arc, its free end 1032 deviation suction inlet 100.It is of course also possible to preceding sealing strip is arranged to inclined-plane,
Assuming that preceding sealing strip 1003 is shaped as straight inclined-plane, i.e., the setting direction on its inclined-plane formed is relative to working surface B
To be inclined, the angle between working surface B is 30 ° -45 ° or so.Siphoned away forward when from mobile ground processing unit, due to
Preceding sealing strip is in itself towards backward setting, such as above-mentioned arc or inclined-plane, and bulky grain dust (such as cigarette end) is encountered in preceding sealing strip free end
When, it is easy to it is lifted up, grinds oversized particles dust, facilitate bulky grain dust to enter suction inlet, in round brush and/or in pull of vacuum
In the presence of enter and dirt box and store.
For the deformability before improving during sealing strip experience bulky grain dust, the thickness of the preceding sealing strip is unsuitable blocked up,
Its thickness is not more than 1.8mm.If preceding sealing strip thickness is larger, when meeting with bulky grain dust, it will not deform in time, on the contrary can be by
Bulky grain dust is pushed away forward, prevents bulky grain dust from entering suction inlet.Certainly, if the thickness of fixing end 10031 is accomplished into thinner, such as
By the skiving of fixing end 10031 so that preceding sealing strip is easier deformation.Fig. 9 is the structural representation of sealing strip before the utility model.
In embodiment as shown in Figure 9, the thickness of fixing end 10031 accomplishes 0.6mm-0.8mm, the other positions of preceding sealing strip 1003
Thickness be 0.8mm-1.8mm.And by the somewhat skiving of fixing end 10031 (for example：Fixing end is dug into a little groove), then it is preceding close
The other positions of strip of paper used for sealing 1003 can be with slightly wider, the scope of sealing strip selection material before being greatly improved.
The dismounting of round brush for convenience, is generally provided with suction inlet cover plate 1001, suction inlet cover plate in the bottom of suction nozzle 1000
1001 middle part offers the suction inlet 100, and suction inlet cover plate 1001 includes left side cover and the right side that arranged on left and right sides is set respectively
Cover (not shown), as shown in figure 4, the planar portions 10012 of each rake 10011 of the cover comprising front side and rear side.
Preferably, in conjunction with shown in Fig. 5, the free end 10032 of the preceding sealing strip 1003 is located at described with working surface B contact point
Planar portions 10012 foremost or between rear foremost, namely preceding sealing strip and planar portions stay gap less, so as to carry
Vacuum at high suction inlet.In addition, in order to prevent suction inlet cover plate scratch damage working surface, a left side for the suction inlet cover plate 1001,
Right flank, which is covered, is also covered with cushion.In order to improve sealing effectiveness, the longitudinal length of the preceding sealing strip 1003 (sets preceding sealing strip
Along the cleaning width of suction inlet for laterally, suction inlet cleans width perpendicular to direct of travel A) it is more than the fixing end
10031 apart from working surface B height so that suction nozzle 1000 work when, the free end 10032 of preceding sealing strip 1003 is pressed against work
Make on the B of surface.Meanwhile, during the long-term work of free end, when its tip produces abrasion with working surface friction, free end is still
There are enough length in reserve to maintain sealing, the service life of sealing strip before significantly improving.
But above-mentioned preceding sealing strip compresses working surface there is also a drawback, when particularly on the working surfaces such as floor,
Preceding sealing strip and floor contact, can produce larger noise.Therefore before actual setting during sealing strip, if considering the worksheets such as floor
Face, then preceding sealing strip is apart from the certain gap of working surface, such as：The free end 10032 of preceding sealing strip 1003 and working surface B it
Between be provided with gap, the clearance height be 0-1.5mm.
Such as Fig. 4 and with reference to shown in Fig. 5, the course of work of suction nozzle 1000 provided by the utility model is such：Install
Have suction nozzle 1000 from mobile ground processing unit in operation process, suction inlet cover plate 1001 abut in working surface B and with from
Mobile ground processing unit is walked, and the rear of suction inlet 100 is sealed with paste by rear scraping article 1002, and arranged on left and right sides is by suction inlet lid
The rigid planar of plate 1001, i.e.,：Planar portions 10012, or by the left and right side for being arranged on suction inlet cover plate 1001 cover it is soft
Pad (not shown) to seal, the front end of suction inlet 100 is then sealed by preceding sealing strip 1003.Suction inlet is arranged on by above-mentioned
The sealing of 100 surroundings improves the vacuum at suction inlet, and then improves the dust collection capacity from mobile ground processing unit.Due to preceding
Sealing strip 1003 is towards backward setting, and preceding sealing strip 1003 is flexible sealing strip, and its shape is arc, therefore, in operation
During, when preceding sealing strip 1003 is contacted with bulky grain dirt, the self-deformation of sealing strip 1003 before mutual squeezing action allows, and
Arc is easier bending when being squeezed to grind big particle dust, and bulky grain dirt is able to sealing strip 1003 before crossing and entered
Enter in suction inlet 100, in the presence of round brush and/or pull of vacuum, bulky grain dirt is brought into dirt box, from mobile ground
Reason device works so as to complete dedusting.That is, the utility model can effectively absorb big particle dust and keep suction inlet
Vacuum.In addition, being additionally provided with round brush (not shown) in dust removing effects, suction inlet to improve.Further, in order to ensure
Dust removing effects simultaneously make nozzle structure compact, and round brush can be arranged concentrically with preceding sealing strip 1003 so that both are in operation process
Interference will not be produced.
Embodiment two
Fig. 6 is the suction nozzle polycrystalline substance schematic diagram of the utility model embodiment two；Fig. 7 is the suction nozzle of the utility model embodiment two
Front structure schematic diagram.Such as Fig. 6 and with reference to shown in Fig. 7, the present embodiment is the improvement on the basis of embodiment one, can be by adjusting
The set-up mode of whole preceding sealing strip 1003 is come the deformability of sealing strip before adjusting.Specifically, in order to improve preceding sealing strip
1003 deformability, is spaced apart on preceding sealing strip 1003 and is provided with multiple gaps 1004.More preferably, the width in every gap 1004
Degree≤5mm.If gap is excessive, the vacuum at suction inlet can be significantly reduced.And the length in gap 1004 and the preceding sealing strip
1003 longitudinal length is essentially identical, sealing strip deformability before further improving.
But gap length is bigger, sealing effectiveness is deteriorated, the reduction of suction inlet vacuum., can be according to worksheet when actual use
The size of face bulky grain flexibly to set the length in gap.For example, the length in gap is set greater than 3mm (usual grain of rices etc.
The diameter of grain is 3mm), and less than the longitudinal length of preceding sealing strip, then the preceding sealing strip is in dust granule less big work
The cleaning effect for making environment is good.
Other technical characteristics in the present embodiment are identical with embodiment one, and detailed content refer to above-described embodiment one,
This is repeated no more.
Embodiment three
Fig. 8 is the suction nozzle polycrystalline substance schematic diagram of the utility model embodiment three.As shown in figure 8, the present embodiment is also in reality
The improvement on the basis of example one is applied, similarly, for the deformability of sealing strip 1003 before improving, is spaced on preceding sealing strip 1003
Provided with multiple gap 1005.But gap is typically larger than 1cm, than the gap in above-described embodiment two greatly, sealing effectiveness is slightly worse.
Other technical characteristics in the present embodiment are identical with embodiment one, and detailed content refer to above-described embodiment one,
This is repeated no more.
Example IV
Understood with reference to shown in Fig. 4, the utility model also provides a kind of suction nozzle 1000, and its bottom offers suction inlet 100, if inhaling
Direction of advance A of the mouth in operation process is to be preceding to the front side of suction inlet 100 is provided with preceding sealing strip 1003, the preceding sealing strip 1003
Including fixing end 10031 and free end 10032, the preceding sealing strip uses flexible sealing strip, and preceding sealing strip is disposed offset from
Forward direction so that projection of the fixing end 10031 on working surface B is located at projection of the free end 10032 on working surface B
Before.
In summary, the utility model provides a kind of from the suction inlet surrounding on mobile ground processing unit and suction nozzle, suction nozzle
Sealing improve pull of vacuum in suction inlet, and then improve the dust collection capacity from mobile ground processing unit；Due to preceding sealing
The set-up mode of bar makes the projection of its fixing end on the work surface be located at before the projection of free end on the work surface, and preceding
Sealing strip is flexible sealing strip, when being contacted in operation process with bulky grain dirt, it is easier to which bending is grey to grind big particle
Dirt, makes it cross preceding sealing strip rapidly and enters in suction inlet, and in the presence of round brush and/or pull of vacuum, be brought into dirt box
It is interior, so as to complete dedusting work.That is, the utility model can effectively absorb big particle dust and keep the true of suction inlet
Reciprocal of duty cycle, efficiency of dust collection is high.
Claims (15)
1. one kind is from mobile ground processing unit, at least including apparatus main body and coupled suction nozzle (1000), the suction nozzle
Bottom offers suction inlet (100), if direction of advance of the suction nozzle in operation process to be preceding to being provided with preceding sealing strip on front side of suction inlet
(1003), the preceding sealing strip includes fixing end (10031) and the free end (10032) extended to working surface (B), its feature
Be, the preceding sealing strip uses flexible sealing strip, and preceding sealing strip be disposed offset from before to so that the fixing end is in work
Projection on surface is located at before the projection of free end on the work surface.
2. it is as claimed in claim 1 from mobile ground processing unit, it is characterised in that the preceding sealing strip (1003) passes through institute
The front side that fixing end (10031) is arranged on the suction inlet (100) is stated, free end (10032) described in the thickness ＜ of the fixing end
Thickness.
3. it is as claimed in claim 1 from mobile ground processing unit, it is characterised in that the thickness of the preceding sealing strip (1003)
No more than 1.8mm.
4. it is as claimed in claim 3 from mobile ground processing unit, it is characterised in that the shape of the preceding sealing strip (1003)
For arc.
5. it is as claimed in claim 4 from mobile ground processing unit, it is characterised in that the suction inlet of the suction nozzle (1000)
(100) place is also equipped with round brush, and the preceding sealing strip (1003) is arranged concentrically with the round brush.
6. it is as claimed in claim 1 from mobile ground processing unit, it is characterised in that suction nozzle (1000) bottom is provided with
The suction inlet (100) is offered in the middle part of suction inlet cover plate (1001), suction inlet cover plate, suction inlet cover plate is set respectively including arranged on left and right sides
The planar portions (10012) of the left side cover and right side cover put, rake (10011) of each cover comprising front side and rear side,
The free end (10032) of the preceding sealing strip (1003) is located at the planar portions foremost with the contact point of working surface (B)
Or positioned at rear foremost.
7. it is as claimed in claim 6 from mobile ground processing unit, it is characterised in that a left side for the suction inlet cover plate (1001),
Right flank, which is covered, is covered with cushion.
8. it is as claimed in claim 1 from mobile ground processing unit, it is characterised in that to be spaced on the preceding sealing strip (1003)
Provided with multiple gaps (1004).
9. it is as claimed in claim 8 from mobile ground processing unit, it is characterised in that the width of the gap (1004)≤
5mm。
10. it is as claimed in claim 8 from mobile ground processing unit, it is characterised in that the length of the gap (1004) with
The longitudinal length of the preceding sealing strip (1003) is identical；
Or, the length of the gap (1004) is more than 3mm.
11. it is as claimed in claim 1 from mobile ground processing unit, it is characterised in that between on the preceding sealing strip (1003)
Every provided with multiple gap (1005).
12. it is as claimed in claim 1 from mobile ground processing unit, it is characterised in that the length of the preceding sealing strip (1003)
Degree be more than the fixing end (10031) apart from working surface (B) height so that suction nozzle (1000) operationally, preceding sealing strip
Free end (10032) compress on the work surface.
13. as claimed in claim 1 from mobile ground processing unit, it is characterised in that the preceding sealing strip (1003) from
Gap is provided between end and working surface.
14. it is as claimed in claim 13 from mobile ground processing unit, it is characterised in that the gap is not more than 1.5mm.
15. a kind of suction nozzle, its bottom offers suction inlet, if direction of advance of the suction nozzle in operation process to be preceding to suction inlet (100)
Front side is provided with preceding sealing strip, and the preceding sealing strip (1003) includes fixing end (10031) and free end (10032), and its feature exists
Use flexible sealing strip in, the preceding sealing strip, and preceding sealing strip be disposed offset from before to so that the fixing end is in worksheet
Projection on face is located at before the projection of free end on the work surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621202452.9U CN206576821U (en) | 2016-11-08 | 2016-11-08 | From mobile ground processing unit and suction nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621202452.9U CN206576821U (en) | 2016-11-08 | 2016-11-08 | From mobile ground processing unit and suction nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206576821U true CN206576821U (en) | 2017-10-24 |
Family
ID=60109072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621202452.9U Active CN206576821U (en) | 2016-11-08 | 2016-11-08 | From mobile ground processing unit and suction nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206576821U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086533A1 (en) * | 2016-11-08 | 2018-05-17 | 科沃斯机器人股份有限公司 | Self-propelled floor treatment device and suction nozzle |
| CN110215159A (en) * | 2018-03-01 | 2019-09-10 | 杭州萤石软件有限公司 | Floor sweeping robot |
| CN110236452A (en) * | 2018-03-08 | 2019-09-17 | 添可电器有限公司 | Ground brush assemblies and dust catcher |
-
2016
- 2016-11-08 CN CN201621202452.9U patent/CN206576821U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086533A1 (en) * | 2016-11-08 | 2018-05-17 | 科沃斯机器人股份有限公司 | Self-propelled floor treatment device and suction nozzle |
| CN108056703A (en) * | 2016-11-08 | 2018-05-22 | 科沃斯机器人股份有限公司 | From mobile ground processing unit and suction nozzle |
| CN110215159A (en) * | 2018-03-01 | 2019-09-10 | 杭州萤石软件有限公司 | Floor sweeping robot |
| CN110236452A (en) * | 2018-03-08 | 2019-09-17 | 添可电器有限公司 | Ground brush assemblies and dust catcher |
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