CN103505152B - For the cleaning head of surface cleaning apparatus - Google Patents
For the cleaning head of surface cleaning apparatus Download PDFInfo
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- CN103505152B CN103505152B CN201310480047.8A CN201310480047A CN103505152B CN 103505152 B CN103505152 B CN 103505152B CN 201310480047 A CN201310480047 A CN 201310480047A CN 103505152 B CN103505152 B CN 103505152B
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- round brush
- main shaft
- brush main
- cutter shaft
- blade
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Abstract
The present invention relates to a kind of cleaning head for surface cleaning apparatus, comprise suction port; Round brush installation cavity, is disposed adjacent with suction port, and forms fluid with suction port and be communicated with; Round brush assembly, comprise round brush main shaft, the bristle be arranged on round brush main shaft, drive the first motor of round brush main axis, round brush main shaft is arranged in round brush installation cavity; Knife assembly, is disposed adjacent with round brush assembly, and knife assembly comprises the cutter shaft that can rotate, at least one blade be arranged on cutter shaft, and the axial line of cutter shaft parallels with the axial line of round brush main shaft.Cleaning head of the present invention, when needs cutting flexible solid dirt, rotates together with round brush main shaft as long as start cutter shaft, and blade only can with the outside wall surface of round brush main shaft or bristle intermittent contact, thus the injury of round brush main shaft and bristle is reduced to minimum.
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.), the cleaning head with round brush assembly is modal parts.Common round brush assembly comprises round brush main shaft, the motor of the bristle be arranged on described round brush main shaft, driving round brush main axis.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; in the outside wall surface that the flexible solid dirts such as some hair usually can be wrapped in round brush main shaft or the outside of bristle, makes the work efficiency drop of round brush assembly.In conventional art, when flexible solid dirt is wound into some, what just needs were thought removes round brush main shaft from cleaning head, and have cutter to be cut off from round brush main shaft by solid dirt, solid dirt after cutting off some directly come off from round brush main shaft, some will be sucked into cleaning device inside when follow-up unlatching cleaning device.Said method must manually carry out when removing solid dirt, and wants dismounting round brush main shaft, operates and rather bothers.In prior art, following several cleaning head that can realize surface trimming solid dirt is had to be disclosed.
The first, publication number is disclose a kind of agitator with cleaning member in the Chinese patent of CN101984742A, and this agitator can to the removing realizing solid dirt near the feeding of round brush major axes orientation thus the cleaning member (as blade) contacted with round brush main shaft by installing additional at the close position of round brush main shaft.
The second, publication number is that the Chinese patent of CN102462450A discloses a kind of dust collector rolling brush, should comprise the roller bearing being 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 be fixedly connected with described roller bearing, between described blade is arranged on baffle plate and takes off post; And the round brush bar being arranged on baffle plate and linking between taking off post and by both.Brush-head structure of the present invention utilizes blade to be cut off by thin for the length that is wrapped on round brush rubbish, avoids the winding on round brush such as hair.
The third, the patent No. is that the Chinese patent of CN203138354U discloses a kind of floor brush of dust collector with fixed blade structure, it comprises the base with round brush room, be arranged on round brush indoor and have the round brush of several bristles, be fixed on the knife rest extended on base and towards round brush room, be housed in the blade in knife rest at least partly, and be each passed through knife rest and blade and several fixtures blade and knife rest interfixed, this floor brush of dust collector makes in the continuous rolling process of round brush main shaft by the blade (blade of blade contacts with the outside wall surface of round brush main shaft) that is fixed on round brush main shaft side, the solid dirts such as automatic cut-out hair or long paper slip.
Above-mentioned disclosed three can realize in the dust collector rolling brush of 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, also easy bristle to be cut off in the lump while cutting solid dirt at cleaning member like this, thus affecting 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, like this as round brush encounter as hard solid dirts such as wires time, easily being broken by blade, thus affect follow-up cutting solid dirt, also there is this and determines in the third.
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 operating efficiency high, long service life when 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, is disposed adjacent with described suction port, and forms fluid with described suction port and be communicated with, round brush assembly, comprise round brush main shaft, the bristle be arranged on described round brush main shaft, drive described in the motor of round brush main axis, described round brush main shaft is arranged in described round brush installation cavity, knife assembly, be disposed adjacent with described 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 in operating position, described cutter shaft, round brush main shaft rotates simultaneously, the blade of described blade contacts with described round brush assembly intermittence thus is cut off by the foreign material be wrapped on described round brush assembly, when described knife assembly is 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 in operating position, the velocity of rotation of described cutter shaft when rotating, rotation direction are all consistent with the velocity of rotation of described round brush main shaft, rotation direction.Such can making can contact in substantially identical position when the blade of blade is each to be contacted with round brush, can effectively prevent blade cuts to the bristle on round brush main shaft.
Synchronized, rotating in same direction can be realized to make cutter shaft and round brush main shaft, preferably, lazy-tongs are provided with between described round brush main shaft and described cutter shaft, described cutter shaft and described round brush main shaft, simultaneously by described motor-driven rotation, are provided with clutch between described cutter shaft and described lazy-tongs.
In technique scheme, preferably, described lazy-tongs comprise the first belt pulley and the 3rd belt pulley, the belt of same specification, first and third described belt pulley is arranged on described round brush main shaft and cutter shaft homonymy axle head respectively, the output shaft of described motor is provided with the second belt pulley, described belt is stretched on the first described belt pulley, the second belt pulley and the 3rd belt pulley simultaneously.
In technique scheme, preferably, described clutch comprise one order about clutch from, close operating mechanism, described operating mechanism have at least part extend the outside of described cleaning head or be in transmission connection mutually with parts of the outside of described cleaning head.
In technique scheme, preferably, described cutter shaft is provided with positioner, when described clutch be in from state time, described positioner can make described cutter shaft remain on same position.
In technique scheme, preferably, described round brush assembly also comprise be arranged on described round brush main shaft outside wall surface on and the convex tendon that radially protrudes, 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 in operating position, the blade of described blade contacts with the outer face intermittence of described convex tendon thus is cut off by the foreign material be wrapped on described round brush assembly.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 being 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, preferably, described blade has multiple, multiple described blade circumferentially distributing installation on described cutter shaft.
In technique scheme, preferably, described blade is rectilinear blade or curvilinear blade.
In technique scheme, preferably, the planar S at the axial line of described cutter shaft and the axial line place of described round brush main shaft
1with horizontal plane S
2between be greater than the 0 angle a being less than 90 degree in one.
In technique scheme, preferably, 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, is provided with spring between described bearing shell and described housing.
Beneficial effect of the present invention is: by arranging the blade that can rotate with cutter shaft in the side of round brush main shaft, make when needs cutting flexible solid dirt, as long as start cutter shaft to rotate together with round brush main shaft, and blade only can with the outside wall surface of round brush main shaft or bristle intermittent contact, thus will be reduced to minimum to the outside wall surface of round brush main shaft and the injury of bristle.In addition, when not needing cutting solid dirt, only the cutter shaft that stops operating is needed, now, even if blade contacts with bristle, also can be pushed into the position away from round brush main shaft in next step rotation of round brush main shaft, thus make blade can not cause interference to the rotation of round brush main shaft.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of cleaning head of the present invention;
Accompanying drawing 2 is the internal structure schematic diagram of cleaning head of the present invention;
Accompanying drawing 3 is the transverse sectional view of 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 that knife assembly of the present invention is in off-position;
Accompanying drawing 7 is the structure chart that knife assembly of the present invention is 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.
Detailed description of the invention
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 device such as vacuum cleaner, steam cleaner.It has a housing 1, and housing 1 is formed by base plate 2 and upper cover about 3 engaging, 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 and circulate 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 be arranged in round brush installation cavity, the convex tendon 10 outside wall surface of round brush main shaft 7 being arranged a few bristles 8 and radially protrude, in this embodiment, convex tendon 10 adopts root to be entrenched in flexible rubber bar on round brush main shaft 7.The radial distance of the outside wall surface of the outer face distance round brush main shaft 7 of convex tendon 10 is the first radial height D1.As shown in Figure 4, the radial distance of the outside wall surface of the outer face distance round brush main shaft 7 of bristle 8 is the second radial height D2, and the second radial height D2 is greater than the first radial height D1.Round brush main shaft 7 drives rotation by motor 9.The side axle head of round brush main shaft 7 is provided with the first belt pulley 11, the motor output shaft of motor 9 is installed with the second belt pulley 12, 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 is disposed adjacent with round brush assembly 6, has operating position and off-position.Knife assembly 14 comprises the cutter shaft 15 that can rotate, a pair blade 16 be arranged on cutter shaft 15, and a pair blade 16 is circumferentially evenly arranged on cutter shaft 15, and this blade 16 can adopt rectilinear blade or curvilinear blade.The two ends of cutter shaft 15 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 in the angle a of about 30 degree, the axle two ends of cutter shaft 15 are all installed with in bearing shell 21(figure and only one end are shown), spring 22 is provided with between this bearing shell 21 and sidewall of housing 1, because spring 22 provides a floating power to cutter shaft 15 through bearing shell 21, like this when cutter shaft 15 and round brush main shaft 7 produce interference in rotation process, spring 22 also can offset the thrust from rolling main shaft 7.In this embodiment shown in the drawings, cutter shaft 15 drives rotation by motor 9 with round brush main shaft 7 simultaneously, is provided with lazy-tongs between cutter shaft 15 and round brush main shaft 7, is namely synchronous axial system rotating between round brush main shaft 7 and cutter shaft 15.In this embodiment, the concrete set-up mode of lazy-tongs is as follows: be provided with the 3rd belt pulley 17 with the first belt pulley 11 same specification at an axle head of cutter shaft 15, belt 13 is also stretched on the 3rd belt pulley 17 simultaneously, can realize the synchronous axial system of cutter shaft 15 and round brush main shaft 7 like this.Be provided with between cutter shaft 15 and the 3rd belt pulley 17 have from, close the clutch 18 of two states, clutch 18 comprise one order about clutch from, close operating mechanism (not shown), for the ease of the operation of user, this operating mechanism and a pedal 19 of housing 1 outside are in transmission connection mutually (as long as the concrete structure be in transmission connection can realize pushes pedals 19 can realize switching from conjunction of clutch).When the operating mechanism on user operation clutch 18 makes it enter conjunction state, cutter shaft 15 just can along with round brush main shaft 7 together synchronous axial system, and namely the velocity of rotation of cutter shaft 15 when rotating, rotation direction all can be consistent with the velocity of rotation of round brush main shaft 7, rotation direction.And clutch 18 is when being in from state, cutter shaft 15 stops operating.In order to make, cutter shaft 15 can be parked in same position when stopping operating, near cutter shaft 15, be also provided with positioner 20, like this when clutch 18 be in from state time, positioner 20 can make cutter shaft 15 remain on same position.
Lower mask body sets forth the course of work of this cleaning head:
As shown in Figure 6, when cleaning head carries out the work of cleaning floor, when knife assembly 14 is in off-position, round brush main shaft 7 rotates separately under the drive of motor 9, and now clutch 18 is in from state.When the convex tendon 10 that user finds round brush main shaft 7 being wound around the flexible solid dirts such as hair and affecting the work of round brush main shaft 7, knife assembly 14 is then needed to be switched to operating position, now clutch 18 is switched to conjunction state by user's pushes pedals 19, cutter shaft 15 is synchronous together, rotating in same direction, as shown in Figure 7, the blade of each blade 16 contacts with the outer face intermittence of the convex tendon 10 on round brush main shaft 7, thus the foreign material be wrapped on convex tendon 10 are cut off, the foreign material cut off can be siphoned away by the vacuum cleaning apparatus be connected with cleaning head, thus complete the cleaning work of the stubborn soils such as hair, after cleaning work completes, user's pushes pedals 19 makes clutch 18 return to from state, 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, when rotating 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 embodiments of the present invention, when knife assembly is in operating position, cutter shaft and round brush main shaft also can be asynchronous rotations, as long as can ensure that cutter shaft contacts with round brush assembly intermittence with the blade of both round brush main shafts blade in rotation process, this intermittence contacts the object that the foreign material be wrapped on round brush assembly can be realized to cut off.
In other embodiments of the invention, round brush main shaft also can not arrange convex tendon, operationally, the flexible dirt such as hair will directly be wrapped in the outside wall surface of round brush main shaft, such knife assembly operationally, the blade of each blade 16 will directly contact with the outside wall surface intermittence on round brush main shaft, thus is cut off by the flexible dirt be wound around thereon.In addition, as arranged convex tendon, convex tendon can also be the vibrational power flow 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 radial distance of axial line of round brush main shaft, and can be convenient to well blade like this when contacting with convex tendon is at every turn all point cantact, thus it is shorter to make to cut the time used.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to the present invention's spirit change or modify, and all should be encompassed within protection scope of the present invention.
Claims (13)
1. for a cleaning head for surface cleaning apparatus, it is characterized in that: comprising:
Suction port;
Round brush installation cavity, is disposed adjacent with described suction port, and forms fluid with described suction port and be communicated with;
Round brush assembly, comprise round brush main shaft, the bristle be arranged on described round brush main shaft, drive described in the motor of round brush main axis, described round brush main shaft is arranged in described round brush installation cavity;
Knife assembly, be disposed adjacent with described round brush assembly, described knife assembly comprises the cutter shaft that can rotate, at least one blade be arranged on described cutter shaft, the axial line of described cutter shaft parallels setting with the axial line of described round brush main shaft, lazy-tongs are provided with between described round brush main shaft and described cutter shaft, described cutter shaft and described round brush main shaft are simultaneously by described motor-driven rotation, be provided with clutch between described cutter shaft and described lazy-tongs, described knife assembly has operating position and off-position; When described knife assembly is in operating position, described cutter shaft, round brush main shaft rotate simultaneously, the velocity of rotation of described cutter shaft when rotating, rotation direction are all consistent with the velocity of rotation of described round brush main shaft, rotation direction, and the blade of described blade contacts with described round brush assembly is intermittent thus is cut off by the foreign material be wrapped on described round brush assembly; When described knife assembly is 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: described lazy-tongs comprise the first belt pulley and the 3rd belt pulley, the belt of same specification, first and third described belt pulley is arranged on described round brush main shaft and cutter shaft homonymy axle head respectively, the output shaft of described motor is provided with the second belt pulley, described belt is stretched on the first described belt pulley, the second belt pulley and the 3rd belt pulley simultaneously.
3. the cleaning head for surface cleaning apparatus according to claim 1, it is characterized in that: described clutch comprise one order about clutch from, close operating mechanism, described operating mechanism have at least part extend the outside of described cleaning head or be in transmission connection mutually with parts of the outside of described cleaning head.
4. the cleaning head for surface cleaning apparatus according to claim 1, it is characterized in that: described cutter shaft is provided with positioner, when described clutch be in from state time, described positioner can make described cutter shaft remain on same position.
5. the cleaning head for surface cleaning apparatus according to claim 1, it is characterized in that: described round brush assembly also comprise be arranged on described round brush main shaft outside wall surface on and the convex tendon that radially protrudes, 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 in operating position, the blade of described blade contacts with the outer face intermittence of described convex tendon thus is cut off by the foreign material be wrapped on described round brush assembly.
6. the cleaning head for surface cleaning apparatus according to claim 5, is characterized in that: described convex tendon and described round brush integrated spindle axis injection mo(u)lding.
7. the cleaning head for surface cleaning apparatus according to claim 6, 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.
8. the cleaning head for surface cleaning apparatus according to claim 5, is characterized in that: described convex tendon is the flexible scraping article being arranged on described round brush main shaft.
9. the cleaning head for surface cleaning apparatus according to claim 5, 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, and the second described radial height is greater than the first described radial height.
10. the cleaning head for surface cleaning apparatus according to claim 1, is characterized in that: described blade has multiple, multiple described blade circumferentially distributing installation on described cutter shaft.
11. cleaning heads for surface cleaning apparatus according to claim 1, is characterized in that: described blade is rectilinear blade or curvilinear blade.
12. cleaning heads for surface cleaning apparatus according to claim 1, is characterized in that: be greater than the 0 angle a being less than 90 degree in one between the planar S 1 at the axial line of described cutter shaft and the axial line place of described round brush main shaft and horizontal plane S2.
13. cleaning heads for surface cleaning apparatus according to claim 12, 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, is provided with spring between described bearing shell and described housing.
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 |
|---|---|
| CN103505152A CN103505152A (en) | 2014-01-15 |
| CN103505152B true CN103505152B (en) | 2016-02-17 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310480047.8A Active CN103505152B (en) | 2013-10-15 | 2013-10-15 | For the cleaning head of surface cleaning apparatus |
Country Status (1)
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| CN (1) | CN103505152B (en) |
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| CN103767626B (en) * | 2014-01-21 | 2016-07-06 | 张周新 | A kind of floor cleaning mechanism |
| CN105147195B (en) * | 2014-06-06 | 2017-11-21 | 科沃斯商用机器人有限公司 | Cleaning device |
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| CA2971214A1 (en) | 2016-01-20 | 2017-07-27 | Jiangsu Midea Cleaning Appliances Co., Ltd. | Charging stand for vacuum cleaner |
| FR3055789B1 (en) * | 2016-09-13 | 2018-09-07 | Seb S.A. | DEVICE FOR CLEANING A ROTATING BRUSH OF SUCTION ROBOT AND METHOD THEREOF |
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| US11291345B2 (en) | 2018-08-27 | 2022-04-05 | Techtronic Floor Care Technology Limited | Floor cleaner |
| CN109602331A (en) * | 2019-01-23 | 2019-04-12 | 东莞优乐家智能家电有限公司 | A kind of double roller cleaning equipment with automatic hair removal function |
| CN112386163B (en) * | 2019-08-19 | 2022-03-18 | 添可智能科技有限公司 | Cleaning device and cutting assembly control system |
| CN111700539A (en) * | 2020-08-03 | 2020-09-25 | 追创科技(苏州)有限公司 | Scrubbing brush and cleaning device |
| CN213606126U (en) * | 2020-09-17 | 2021-07-06 | 天佑电器（苏州）有限公司 | Round brush, scrubbing brush and dust catcher |
| CN113080781B (en) * | 2021-04-01 | 2022-02-15 | 安徽茂全环保科技有限公司 | Ground washing machine garbage pickup mechanism and ground washing machine thereof |
| CN113768407B (en) * | 2021-09-17 | 2023-01-06 | 江苏美的清洁电器股份有限公司 | Cutting device, cleaning equipment, cleaning base station, cleaning system and method |
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|---|---|
| CN103505152A (en) | 2014-01-15 |
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