CN103505152A - Cleaning head for surface cleaning device - Google Patents
Cleaning head for surface cleaning device Download PDFInfo
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- CN103505152A CN103505152A CN201310480047.8A CN201310480047A CN103505152A CN 103505152 A CN103505152 A CN 103505152A CN 201310480047 A CN201310480047 A CN 201310480047A CN 103505152 A CN103505152 A CN 103505152A
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- round brush
- main shaft
- brush main
- blade
- cutter shaft
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Abstract
The invention relates to a cleaning head for a surface cleaning device. The cleaning head for the surface cleaning device comprises a suction inlet, a roll brush mounting cavity, a roll brush assembly and a cutting knife assembly. The roll brush mounting cavity is arranged adjacent to the suction inlet and forms fluid communication with the suction inlet. The roll brush assembly comprises a roll brush main shaft, brush bristles arranged on the roll brush main shaft and a first motor driving the roll brush main shaft to rotate, and the roll brush main shaft is mounted in the roll brush mounting cavity. The cutting knife assembly is arranged adjacent to the roll brush assembly and comprises a rotatable knife pivot and at least one blade mounted on the knife pivot, and the shaft axis of the knife pivot is parallel to the shaft axis of the roll brush main shaft. According to the cleaning head for the surface cleaning device, when flexible solid dirt needs to be cut, the knife pivot and the roll brush main shaft simply need to be started to rotate at the same time, the blade can only make contact with the outer wall surface of the roll brush main shaft or the brush bristles intermittently, and therefore harm to the roll brush main shaft and the bristles is reduced to the minimum extent.
Description
Technical field
The present invention relates to a kind of cleaning head for surface cleaning apparatus.
Background technology
In surface cleaning apparatus (as vacuum cleaner, carpet cleaner etc.), with the cleaning head of round brush assembly, be modal parts.Common round brush assembly comprises round brush main shaft, is arranged on the bristle on described round brush main shaft, the motor that drives round brush main shaft to rotate.Because the bristle on round brush main shaft does not contact with cleaning floor; round brush main shaft is in constantly selecting at a high speed; the flexible solid dirts such as some hair usually can be wrapped in the outside wall surface of round brush main shaft or the outside of bristle, and the operating efficiency of round brush assembly is declined.In conventional art, when flexible solid dirt is wound into some, that just need to think removes round brush main shaft from cleaning head, and there is cutter that solid dirt is cut off from round brush main shaft, some directly comes off solid dirt after cutting off from round brush main shaft, and some will be sucked into cleaning device inside when follow-up unlatching cleaning device.Said method must manually carry out while removing solid dirt, and wants dismounting round brush main shaft, and rather trouble operates.In prior art, there is the following several cleaning head that can realize surface trimming solid dirt to be disclosed.
The first, publication number is to disclose a kind of agitator with cleaning member in the Chinese patent of CN101984742A, thereby this agitator is installed additional and can be realized to the cleaning member (as blade) that contact with round brush main shaft near the feeding of round brush major axes orientation the removing of solid dirt by the close position at round brush main shaft.
The second, the Chinese patent that publication number is CN102462450A discloses a kind of dust collector rolling brush, should comprise the roller bearing that is arranged on round brush air inlet place by dust collector rolling brush; Rotatably be fixed on the baffle plate at described roller bearing two ends and take off post, described taking off post can be in transmission connection with round brush drive unit; The blade being fixedly connected with described roller bearing, between described blade is arranged on baffle plate and takes off post; And be arranged on baffle plate and take off post between and by both interlock round brush bar.Brush-head structure of the present invention utilizes blade to cut off being wrapped in the thin rubbish of length on round brush, avoided the winding on round brush such as hair.
The third, the patent No. is that the Chinese patent of CN203138354 U discloses a kind of floor brush of dust collector with fixed blade structure, it comprises the base with round brush chamber, be arranged on round brush indoor and have a round brush of several bristles, be fixed on base and the knife rest extending towards round brush chamber, be housed at least partly the blade in knife rest, and respectively through knife rest and blade several fixtures that blade and knife rest are interfixed, this floor brush of dust collector makes in the continuous rolling process of round brush main shaft by a blade (blade of blade contacts with the outside wall surface of round brush main shaft) that is fixed on round brush main shaft one side, automatically cut off the solid dirts such as hair or long paper slip.
In above-mentioned disclosed three dust collector rolling brush that can realize surface trimming solid dirt, the first is due to when cutting solid dirt, cleaning member is against the outside of round brush all the time, at cleaning member, in cutting solid dirt, also easily bristle is cut off in the lump like this, thereby affect the service life of round brush, the third also has this shortcoming.The second, because blade is in the round brush course of work, rotates always, while encountering as hard solid dirts such as wires as round brush like this, easily blade is broken, thereby affects follow-up cutting solid dirt, and the third also exists this to determine.
Summary of the invention
For the technical deficiency of above-mentioned existence, the object of this invention is to provide a kind of cleaning device cleaning head of high, the long service life of operating efficiency while cutting flexible solid dirt.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of cleaning head for surface cleaning apparatus, comprising: suction port, round brush installation cavity, with the described adjacent setting of suction port, and is communicated with described suction port formation fluid, round brush assembly, comprises round brush main shaft, is arranged on the bristle on described round brush main shaft, the motor that drives described round brush main shaft to rotate, and described round brush main shaft is arranged in described round brush installation cavity, knife assembly, with the described adjacent setting of round brush assembly, described knife assembly comprises the cutter shaft that can rotate, be arranged at least one blade on described cutter shaft, the axial line of described cutter shaft parallels setting with the axial line of described round brush main shaft, described knife assembly has operating position and off-position, when described knife assembly is during in operating position, described cutter shaft, round brush main shaft rotates simultaneously, thereby the blade of described blade contacts the foreign material that are wrapped on described round brush assembly is cut off with described round brush assembly intermittence, when described knife assembly is during in off-position, described cutter shaft stops operating, and described blade is away from described round brush assembly.
In technique scheme, preferably, when described knife assembly is during in operating position, the velocity of rotation of described cutter shaft when rotating, rotation direction are all consistent with velocity of rotation, the rotation direction of described round brush main shaft.In the time of making like this blade of blade contact with round brush, can contact in essentially identical position at every turn, can effectively prevent that blade cuts is to the bristle on round brush main shaft.
In order to make cutter shaft and round brush main shaft, can realize synchronized, rotating in same direction, preferably, between described round brush main shaft and described cutter shaft, be provided with lazy-tongs, described cutter shaft and described round brush main shaft are driven and are rotated by described motor simultaneously, between described cutter shaft and described lazy-tongs, are provided with clutch.
In technique scheme, preferably, described lazy-tongs comprise the first belt pulley of same specification and the 3rd belt pulley, belt, first and third described belt pulley is arranged on respectively described round brush main shaft and cutter shaft homonymy axle head, the second belt pulley is installed on the output shaft of described motor, and described belt is stretched on described the first belt pulley, the second belt pulley and the 3rd belt pulley simultaneously.
In technique scheme, preferred, described clutch comprises that one is ordered about clutch from, the operating mechanism that closes, and described operating mechanism has at least part to extend the outside of described cleaning head or is in transmission connection mutually with outside parts of described cleaning head.
In technique scheme, preferred, on described cutter shaft, be provided with positioner, when described clutch in from state time, described positioner can make described cutter shaft remain on same position.
In technique scheme, preferably, described round brush assembly also comprises in the outside wall surface that is arranged on described round brush main shaft and radially outwardly convex tendon, the outer face of described convex tendon is the first radial height apart from the radial distance of the outside wall surface of described round brush main shaft, when described knife assembly is during in operating position, thereby the blade of described blade contacts the foreign material that are wrapped on described round brush assembly is cut off with the outer face intermittence of described convex tendon.Further preferably, described convex tendon and described round brush integrated spindle axis injection mo(u)lding.Further preferred, each point of the outer face of described convex tendon is not of uniform size to the radial distance of the axial line of described round brush main shaft.
In technique scheme, can also preferably arrange, described convex tendon is the flexible scraping article that is arranged on described round brush main shaft.
Further preferred, the outer face of described bristle is the second radial height apart from the radial distance of the outside wall surface of described round brush main shaft, and the second described radial height is greater than the first described radial height.
In technique scheme, preferred, described blade has a plurality of, and the circumferential distributing installation in a plurality of described blades edge is on described cutter shaft.
In technique scheme, preferred, described blade is rectilinear blade or curve blade.
In technique scheme, preferred, the planar S at the axial line place of the axial line of described cutter shaft and described round brush main shaft
1with horizontal plane S
2between be one and be greater than the 0 angle a that is less than 90 degree.
In technique scheme, preferred, described cleaning head comprises a housing, and described cutter shaft is by bearings on described housing, and the axle head of described cutter shaft is installed with bearing shell, between described bearing shell and described housing, is provided with spring.
Beneficial effect of the present invention is: by the blade that can rotate with cutter shaft in a side setting of round brush main shaft, make when needs cut flexible solid dirt, as long as start cutter shaft rotates together with round brush main shaft, and blade only can with the outside wall surface of round brush main shaft or bristle is intermittent contact, thereby will be reduced to minimum to the injury of the outside wall surface of round brush main shaft and bristle.In addition, when not needing to cut solid dirt, cutter shaft only need to stop operating, now, even if blade contacts with bristle, also can in next step rotation of round brush main shaft, be pushed into the position away from round brush main shaft, thereby make blade can not cause interference to the rotation of round brush main shaft.
Accompanying drawing explanation
The schematic diagram that accompanying drawing 1 is cleaning head of the present invention;
The internal structure schematic diagram that accompanying drawing 2 is cleaning head of the present invention;
The transverse sectional view that accompanying drawing 3 is cleaning head of the present invention;
Accompanying drawing 4 is the longitudinal sectional view of round brush main shaft of the present invention;
Accompanying drawing 5 is the installation site schematic diagram of round brush main shaft of the present invention and cutter shaft; Accompanying drawing 6 is the structure chart of knife assembly of the present invention in off-position;
Accompanying drawing 7 is the structure chart of knife assembly of the present invention in operating position;
Wherein: 1, housing; 2, base plate; 3, upper cover; 4, suction port; 5, round brush installation cavity; 6, round brush assembly; 7, round brush main shaft; 8, bristle; 9, motor; 10, convex tendon; 11, the first belt pulley; 12, the second belt pulley; 13, belt; 14, knife assembly; 15, cutter shaft; 16, blade; 17, the 3rd belt pulley; 18, clutch; 19, pedal; 20, positioner; 21, bearing shell; 22, spring.
The specific embodiment
Below in conjunction with embodiment shown in the drawings, the present invention is described in detail below:
Cleaning head as shown in Figure 1, can be used on the cleaning devices such as vacuum cleaner, steam cleaner.It has a housing 1, and housing 1 is engaged and forms up and down by base plate 2 and upper cover 3, and the front portion of base plate 2 offers suction port 4 downward.There is round brush installation cavity 5 inner side of upper cover 3 in the position of contiguous suction port 4, forms fluid circulation between this round brush installation cavity 5 and suction port 4.
As shown in Figure 2, round brush assembly 6 is arranged in round brush installation cavity 5.Round brush assembly 6 comprises a round brush main shaft 7 being arranged in round brush installation cavity, a few bristles 8 and radially outwardly convex tendon 10 are set in the outside wall surface of round brush main shaft 7, in this embodiment, convex tendon 10 adopts root to be entrenched in the flexible rubber bar on round brush main shaft 7.Convex tendon 10 outer face is the first radial height D1 apart from the radial distance of the outside wall surface of round brush main shaft 7.As shown in Figure 4, the outer face of bristle 8 is the second radial height D2 apart from the radial distance of the outside wall surface of round brush main shaft 7, and the second radial height D2 is greater than the first radial height D1.Round brush main shaft 7 is driven and is rotated by motor 9.On one side shaft end of round brush main shaft 7, the first belt pulley 11 is installed, is installed with the second belt pulley 12 on the motor output shaft of motor 9, belt 13 is stretched on the first belt pulley 11 and the second belt pulley 12 simultaneously.
As shown in Fig. 2,3,5, knife assembly 14 setting adjacent with round brush assembly 6, has operating position and off-position.Knife assembly 14 comprises that the cutter shaft 15 that can rotate, blade 16, one blade 16 edges that are arranged on cutter shaft 15 are circumferentially evenly arranged on cutter shaft 15, and this blade 16 can adopt rectilinear blade or curve blade.Cutter shaft 15 two ends by bearings on the sidewall of housing 1.The axial line L1 of cutter shaft 15 parallels with the axial line L2 of round brush main shaft 7, and the planar S at the axial line L2 place of the axial line L1 of cutter shaft 15 and round brush main shaft 7
1with horizontal plane S
2between be the angle a of 30 about degree, cutter shaft 15Zhou two ends are all installed with in bearing shell 21(figure one end are only shown), between this bearing shell 21 and the sidewall of housing 1, be provided with spring 22, because spring 22 provides a unsteady power to cutter shaft 15 through bearing shell 21, when cutter shaft 15 and round brush main shaft 7 produce interference in rotation process, spring 22 also can be offset the thrust from rolling main shaft 7 like this.In this embodiment shown in the drawings, cutter shaft 15 is driven and is rotated by motor 9 simultaneously with round brush main shaft 7, between cutter shaft 15 and round brush main shaft 7, is provided with lazy-tongs, between round brush main shaft 7 and cutter shaft 15, in rotation, synchronizes rotation.In this embodiment, the concrete set-up mode of lazy-tongs is as follows: at an axle head of cutter shaft 15, the 3rd belt pulley 17 with the first belt pulley 11 same specifications is installed, belt 13 is also stretched on the 3rd belt pulley 17 simultaneously, can realize like this rotation of synchronizeing of cutter shaft 15 and round brush main shaft 7.Between cutter shaft 15 and the 3rd belt pulley 17, be provided with have from, close the clutch 18 of two states, clutch 18 comprises that one is ordered about clutch from, the operating mechanism (not shown) of closing, for the ease of user's operation, this operating mechanism be in transmission connection mutually with a pedal 19 of housing 1 outside (as long as the concrete structure being in transmission connection can realize pushes pedals 19 can realize clutch from close switching).Operating mechanism in user's operated clutch 18 enters while closing state it, cutter shaft 15 just can be along with round brush main shaft 7 synchronously rotates together, and velocity of rotation, the rotation direction of cutter shaft 15 when rotating all can be consistent with velocity of rotation, the rotation direction of round brush main shaft 7.And clutch 18 is when from state, cutter shaft 15 stops operating.In order to make, cutter shaft 15 can be parked in same position when stopping operating, and is also provided with positioner 20 near cutter shaft 15, like this when clutch 18 in from state time, positioner 20 can make cutter shaft 15 remain on same position.
Lower mask body is set forth the course of work of this cleaning head:
As shown in Figure 6, when cleaning head carries out the work of cleaning floor, knife assembly 14 is when off-position, and round brush main shaft 7 rotates separately under the drive of motor 9, and now clutch 18 is in from state.When being wound around the flexible solid dirts such as hair affecting the work of round brush main shaft 7 on user find the convex tendon 10 of round brush main shaft 7, need knife assembly 14 to be switched to operating position, now user's pushes pedals 19 is switched to by clutch 18 state of closing, cutter shaft 15 is synchronous together, rotating in same direction, as shown in Figure 7, the blade of each blade 16 contacts with the convex tendon 10 outer face intermittence on round brush main shaft 7, thereby the foreign material that are wrapped on convex tendon 10 are cut off, the foreign material that cut off can be siphoned away by the vacuum cleaning apparatus being connected with cleaning head, thereby complete the cleaning work of the obstinate dirts such as hair, after cleaning work completes, user's pushes pedals 19 returns to from state clutch 18, cutter shaft 15 stops operating, now, even if there is blade 16 to contact with the convex tendon 10 on round brush main shaft 7, while rotating in next second of round brush main shaft 7, also this blade 16 can be taken to the position away from convex tendon 10.
In other embodiment of the present invention, at knife assembly during in operating position, cutter shaft and round brush main shaft can be also asynchronous rotations, as long as can guarantee that cutter shaft contacts with round brush assembly intermittence with the blade of the two blade in rotation process of round brush main shaft, this intermittence contacts and can realize the object that the foreign material that are wrapped on round brush assembly are cut off.
In other embodiments of the invention, on round brush main shaft, also convex tendon can be set, when work, the flexible dirt such as hair will directly be wrapped in the outside wall surface of round brush main shaft, knife assembly is when work like this, the blade of each blade 16 will directly contact with the outside wall surface intermittence on round brush main shaft, thereby the flexible dirt being wound around is thereon cut off.In addition, as convex tendon is set, convex tendon can also be the structure setting with the injection mo(u)lding of round brush integrated spindle axis.Each point of the outer face of convex tendon is not of uniform size to the radial distance of the axial line of round brush main shaft, can be convenient to well like this blade and when contacting with convex tendon be all at every turn contact, thereby it is shorter to make to cut the time used.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that spirit is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (15)
1. for a cleaning head for surface cleaning apparatus, it is characterized in that: comprising:
Suction port;
Round brush installation cavity, with the described adjacent setting of suction port, and is communicated with described suction port formation fluid;
Round brush assembly, comprises round brush main shaft, is arranged on the bristle on described round brush main shaft, the motor that drives described round brush main shaft to rotate, and described round brush main shaft is arranged in described round brush installation cavity;
Knife assembly, with the described adjacent setting of round brush assembly, described knife assembly comprises the cutter shaft that can rotate, be arranged at least one blade on described cutter shaft, the axial line of described cutter shaft parallels setting with the axial line of described round brush main shaft, described knife assembly has operating position and off-position, when described knife assembly is during in operating position, described cutter shaft, round brush main shaft rotates simultaneously, thereby the blade of described blade contacts the foreign material that are wrapped on described round brush assembly is cut off with described round brush assembly intermittence, when described knife assembly is during in off-position, described cutter shaft stops operating, and described blade is away from described round brush assembly.
2. the cleaning head for surface cleaning apparatus according to claim 1, it is characterized in that: when described knife assembly is during in operating position, the velocity of rotation of described cutter shaft when rotating, rotation direction are all consistent with velocity of rotation, the rotation direction of described round brush main shaft.
3. the cleaning head for surface cleaning apparatus according to claim 2, it is characterized in that: between described round brush main shaft and described cutter shaft, be provided with lazy-tongs, described cutter shaft and described round brush main shaft are driven and are rotated by described motor simultaneously, between described cutter shaft and described lazy-tongs, are provided with clutch.
4. the cleaning head for surface cleaning apparatus according to claim 3, it is characterized in that: described lazy-tongs comprise the first belt pulley of same specification and the 3rd belt pulley, belt, first and third described belt pulley is arranged on respectively described round brush main shaft and cutter shaft homonymy axle head, the second belt pulley is installed on the output shaft of described motor, and described belt is stretched on described the first belt pulley, the second belt pulley and the 3rd belt pulley simultaneously.
5. the cleaning head for surface cleaning apparatus according to claim 3, it is characterized in that: described clutch comprises that one is ordered about clutch from, the operating mechanism that closes, described operating mechanism has at least part to extend the outside of described cleaning head or is in transmission connection mutually with outside parts of described cleaning head.
6. the cleaning head for surface cleaning apparatus according to claim 3, it is characterized in that: on described cutter shaft, be provided with positioner, when described clutch in from state time, described positioner can make described cutter shaft remain on same position.
7. the cleaning head for surface cleaning apparatus according to claim 1, it is characterized in that: described round brush assembly also comprises in the outside wall surface that is arranged on described round brush main shaft and radially outwardly convex tendon, the outer face of described convex tendon is the first radial height apart from the radial distance of the outside wall surface of described round brush main shaft, when described knife assembly is during in operating position, thereby the blade of described blade contacts the foreign material that are wrapped on described round brush assembly is cut off with the outer face intermittence of described convex tendon.
8. the cleaning head for surface cleaning apparatus according to claim 7, is characterized in that: described convex tendon and described round brush integrated spindle axis injection mo(u)lding.
9. the cleaning head for surface cleaning apparatus according to claim 8, is characterized in that: each point of the outer face of described convex tendon is not of uniform size to the radial distance of the axial line of described round brush main shaft.
10. the cleaning head for surface cleaning apparatus according to claim 7, is characterized in that: described convex tendon is the flexible scraping article that is arranged on described round brush main shaft.
11. cleaning heads for surface cleaning apparatus according to claim 7, it is characterized in that: the outer face of described bristle is the second radial height apart from the radial distance of the outside wall surface of described round brush main shaft, the second described radial height is greater than the first described radial height.
12. cleaning heads for surface cleaning apparatus according to claim 1, is characterized in that: described blade has a plurality of, and the circumferential distributing installation in a plurality of described blades edge is on described cutter shaft.
13. cleaning heads for surface cleaning apparatus according to claim 1, is characterized in that: described blade is rectilinear blade or curve blade.
14. cleaning heads for surface cleaning apparatus according to claim 1, is characterized in that: the planar S at the axial line place of the axial line of described cutter shaft and described round brush main shaft
1with horizontal plane S
2between be one and be greater than the 0 angle a that is less than 90 degree.
15. cleaning heads for surface cleaning apparatus according to claim 14, it is characterized in that: described cleaning head comprises a housing, described cutter shaft by bearings on described housing, the axle head of described cutter shaft is installed with bearing shell, between described bearing shell and described housing, is provided with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480047.8A CN103505152B (en) | 2013-10-15 | 2013-10-15 | For the cleaning head of surface cleaning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480047.8A CN103505152B (en) | 2013-10-15 | 2013-10-15 | For the cleaning head of surface cleaning apparatus |
Publications (2)
| Publication Number | Publication Date |
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| CN103505152A true CN103505152A (en) | 2014-01-15 |
| CN103505152B CN103505152B (en) | 2016-02-17 |
Family
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| CN201310480047.8A Active CN103505152B (en) | 2013-10-15 | 2013-10-15 | For the cleaning head of surface cleaning apparatus |
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| WO2015109974A1 (en) * | 2014-01-21 | 2015-07-30 | 张周新 | Floor cleaning mechanism |
| CN105147195A (en) * | 2014-06-06 | 2015-12-16 | 苏州科沃斯商用机器人有限公司 | Cleaning device |
| CN105496308A (en) * | 2016-01-20 | 2016-04-20 | 江苏美的清洁电器股份有限公司 | Nap cutting device for dust collector, charging seat for dust collector and dust collector |
| CN105595918A (en) * | 2016-01-20 | 2016-05-25 | 江苏美的清洁电器股份有限公司 | Hair cutting device and charging base used for dust collector and dust collector |
| CN106175604A (en) * | 2015-05-07 | 2016-12-07 | 江苏美的清洁电器股份有限公司 | Sweeping robot and round brush cleaning device |
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| WO2022057011A1 (en) * | 2020-09-17 | 2022-03-24 | 天佑电器（苏州）有限公司 | Rolling brush, floor brush, and dust collector |
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| WO2015109974A1 (en) * | 2014-01-21 | 2015-07-30 | 张周新 | Floor cleaning mechanism |
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