CN108464771A - Rolling brush and dust collector adopting same - Google Patents
Rolling brush and dust collector adopting same Download PDFInfo
- Publication number
- CN108464771A CN108464771A CN201810408773.1A CN201810408773A CN108464771A CN 108464771 A CN108464771 A CN 108464771A CN 201810408773 A CN201810408773 A CN 201810408773A CN 108464771 A CN108464771 A CN 108464771A
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- Prior art keywords
- brush
- roller
- hole
- mandrel
- brush roller
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- 238000005096 rolling process Methods 0.000 title claims abstract description 43
- 239000000428 dust Substances 0.000 title claims abstract description 22
- 238000007790 scraping Methods 0.000 claims abstract description 59
- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 230000001154 acute effect Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 abstract description 11
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000003746 surface roughness Effects 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/04—Nozzles with driven brushes or agitators
- A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
- A47L9/0466—Rotating tools
- A47L9/0477—Rolls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Brushes (AREA)
- Cleaning In General (AREA)
Abstract
The application provides a rolling brush and a dust collector adopting the same, wherein the rolling brush comprises a brush roll; an inner cavity is arranged at the axis of the brush roller; the peripheral side wall of the brush roller is provided with a through hole; the through hole is communicated with the inner cavity of the brush roll; a core shaft piece is arranged in the inner cavity; the mandrel part comprises a mandrel body and a scraping part; the scraping piece is arranged on the peripheral side surface of the mandrel body; the mandrel part can rotate relative to the brush roll; the free end of the scraping piece is inserted into the through hole and can extend out of the outer surface of the brush roll; the length of the scraping piece extending out of the brush roll is changed along with the rotation of the mandrel body relative to the brush roll; the rolling brush also comprises a connecting fixing piece; the connecting fixing piece is detachably connected with the mandrel piece and the brush roll, so that the brush roll and the mandrel piece can integrally rotate; and/or the through hole clamps the scraper, so that the brush roller and the mandrel member can rotate integrally. Adopt the round brush that this application provided, only need through rotating the dabber body or draw and drag the length that the strip of scraping stretches out the brush roll of cleaning, it is comparatively convenient to operate.
Description
Technical Field
The application relates to the technical field of cleaning tools, in particular to a rolling brush; in addition, the application also relates to a dust collector adopting the rolling brush.
Background
In order to better remove the hidden stains on the surface to be cleaned, rolling brushes are arranged on the front sides of dust suction openings of some dust collectors; the rolling brush rotates to clean or comb the surface to be cleaned, sweeps out the dirt hidden in the gap of the surface to be cleaned, and pushes the dirt to the area of the dust suction port.
As the experience of daily life shows, the dust collector can be used for cleaning different types of surfaces to be cleaned; take a household cleaner for example, which may be used to clean carpet, ceramic or floor surfaces; because the surface characteristics and the surface roughness characteristics of different surfaces to be cleaned are different, the wiping parts of the rolling brush are set to different lengths according to the characteristics of the surfaces to be cleaned in order to achieve the optimal cleaning effect.
The Chinese patent application with the publication number of CN107252276A and the invention name of 'a rolling brush and a dust collector thereof' discloses a rolling brush with the length of brush hair (namely the scraping and sweeping piece) changeable; as is known from the disclosure of the aforementioned patent application, the roller brush therein essentially comprises a roller body and a bristle part; the surface of the rolling shaft body is provided with an assembly groove, and the clamping groove comprises a plurality of clamping grooves distributed along the radial direction of the rolling shaft body; the brush hair piece comprises brush hair and a base, and the base can be detachably clamped in one of the clamping grooves; by replacing the base in a different mounting slot, the available length of bristles can be changed. As can be seen from the attached drawings, a plurality of assembling grooves are formed in the roller body, and the rolling brush comprises brush hair pieces matched with the assembling grooves.
However, it can be known from the structure of the aforementioned chinese patent application that, in order to change the usable length of the bristles in each bristle part, each bristle part needs to be taken out from the corresponding snap-in groove and then installed in another snap-in groove, which is time-consuming and labor-consuming to disassemble and assemble the bristle parts.
Disclosure of Invention
The application provides a rolling brush and a dust collector adopting the same, which aim to solve the problems mentioned in the background technology.
The embodiment of the application provides a rolling brush, which comprises a brush roller;
an inner cavity is formed in the axis of the brush roll; the peripheral side wall of the brush roller is provided with a through hole; the through hole is communicated with the inner cavity of the brush roll;
a mandrel piece is arranged in the inner cavity; the mandrel part comprises a mandrel body and a scraping piece; the scraping piece is arranged on the peripheral side surface of the mandrel body; the mandrel part can rotate relative to the brush roll;
the free end of the scraping piece is inserted into the through hole and can extend out of the outer surface of the brush roll; the length of the scraper extending out of the brush roll is changed along with the rotation of the mandrel body relative to the brush roll;
the rolling brush also comprises a connecting fixing piece; the connecting fixing member is detachably connected with the mandrel member and the brush roll so that the brush roll and the mandrel member can integrally rotate; and/or the presence of a gas in the gas,
the through hole clamps the wiper member so that the brush roller and the core shaft member can be rotated integrally.
In one embodiment, the through hole is a long hole extending to the first shaft end of the brush roll, and an opening is formed at the first shaft end of the brush roll;
the wiper is inserted into the through hole through the opening.
In one embodiment, the through hole is a spiral long hole;
the scraping piece is a spiral scraping piece;
the rotating direction of the through hole is the same as that of the scraping piece.
In a specific embodiment, the extending direction of the through hole and a bus of the brush roller form a first deflection angle;
the scraping piece and a bus of the mandrel body form a second deflection angle;
the first deflection angle is equal to the second deflection angle.
In a specific embodiment, the brush roller is provided with a plurality of through holes; the circumferential side surface of the mandrel body is provided with the scraping pieces which correspond to the through holes one by one;
the first deflection angle is larger than or equal to a central angle corresponding to the fan-shaped cylindrical surface between two adjacent through holes.
In a specific embodiment, the side wall of the through hole forms a first included angle with the radial direction of the brush roller;
the first included angle is an acute angle.
In one embodiment, the inner peripheral surface of the brush roll is provided with a first limiting bump;
the peripheral surface of the outer side of the mandrel body is provided with a second limiting lug;
the sum of the height of the first limiting lug and the height of the second limiting lug is larger than the distance from the inner peripheral surface of the brush roll to the outer peripheral surface of the axle center body;
the first limiting lug is matched with the second limiting lug to limit the mandrel body to rotate continuously in a first direction relative to the brush roll;
when the first limiting convex block touches the second limiting convex block, the part of the scraping condition, which extends out of the peripheral surface of the outer side of the brush roll, is shortest, or the free end of the scraping condition extends into the through hole.
In one embodiment, a countersink portion is provided on a side of the through hole facing the outer circumferential side of the brush roller.
In one embodiment, a third limiting bump is arranged on the inner circumferential side surface of the brush roll;
the peripheral surface of the outer side of the mandrel body is provided with a fourth limiting bump;
the sum of the height of the third limiting lug and the height of the fourth limiting lug is greater than the distance from the inner circumferential surface of the brush roll to the outer circumferential surface of the axis body;
the third limiting lug is matched with the fourth limiting lug to limit the mandrel body to rotate continuously in a second direction relative to the brush roll;
when the third limiting convex block touches the fourth limiting convex block, the part of the scraping condition, which extends out of the peripheral side face of the brush roll, is longest.
In one embodiment, the connecting fixture is a first end cap; the first end cover is arranged at a first shaft end of the brush roller;
a first through hole is formed in the axis of the first end cover;
the first end cover is detachably connected with the brush roll in an interference fit mode or in a key connection mode;
the mandrel body passes through the first through hole.
In a specific embodiment, the mandrel body comprises a mandrel core part and a mandrel center is provided with a central shaft;
the shaft core portion and the center shaft are integrally provided; or,
an axle center hole is formed in the axle center of the axle core part; the central shaft is inserted into the shaft center hole and is in interference fit connection or key connection with the shaft center part;
the central shaft passes through the first through hole.
In a specific embodiment, a groove is arranged at the end of the central shaft extending out of the first through hole.
In one embodiment, the second shaft end of the brush roll is provided with a second end cover;
the second end cover is fixedly connected with the brush roll;
and a second through hole connected with an output shaft key of the driving motor is formed in the axis of the second end cover.
In a specific embodiment, the mandrel body is provided with a mandrel hole which is slidably connected with the free end of the output shaft of the driving motor.
In a specific embodiment, the wiper is a wiper strip or bristles.
The embodiment of the application also provides a dust collector, which comprises a dust collection port, a driving motor and the rolling brush; the rolling brush is arranged at the dust suction port; and an output shaft of the driving motor is connected with the rolling brush to drive the rolling brush to rotate.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: when the mandrel body rotates relative to the brush roll under the action of external force, the mandrel body can drive the cleaning piece to slide relative to the through hole, and the length of the cleaning piece extending out of the brush roll is changed; when the roller brush is normally used, the length of the cleaning piece extending out of the brush roller is not changed under the action of the connecting and fixing piece or under the clamping action of the through hole. Adopt the round brush that this embodiment provided, only need through rotating the dabber body or draw and drag the length that the strip of scraping stretches out the brush roll of cleaning, it is comparatively convenient to operate.
Drawings
FIG. 1 is a front view of a roll brush according to an embodiment;
FIG. 2 is a left side view of the roll brush provided in the embodiment;
FIG. 3 is a right side view of the roll brush provided by the embodiment;
FIG. 4 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 5 is a schematic sectional view of the roll brush according to the embodiment when the wiper strip is inserted into the brush roll;
FIG. 6 is a schematic axial view of a brush roll in an embodiment of the present invention;
FIG. 7 is an isometric view of a wiper in an embodiment of the roll brush;
FIG. 8 is an isometric view of a first end cap in an embodiment of a roll brush;
FIG. 9 is an isometric view of a second end cap in an embodiment of a roll brush;
wherein: 11-brush roll, 111-inner cavity, 112-through hole, 113-opening, 114-counter bore part, 12-mandrel part, 121-mandrel body, 122-scraping strip, 123-central shaft, 124-groove, 125-axial hole, 13-first limit bump, 14-second limit bump, 15-third limit bump, 16-fourth limit bump, 17-first end cover, 171-first through hole, 18-second end cover, 181-second through hole and 19-output shaft.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the following detailed description is only illustrative of the present invention and is not intended to limit the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.
Referring to the drawings, in particular to fig. 1 and 4-7, the rolling brush provided by the embodiment comprises a brush roll 11 and a mandrel 12.
The brush roller 11 is cylindrical, and an inner cavity 111 is enclosed by the peripheral side wall of the brush roller; a through hole 112 is provided in the peripheral side wall of the brush roller 11; the through hole 112 extends from the inner peripheral side surface of the brush roller 11 to the outer peripheral side surface of the brush roller 11, and communicates with the inner chamber 111 of the brush roller 11.
The mandrel member 12 includes a mandrel body 121 and a wiper strip 122. In this embodiment, the mandrel body 121 is generally cylindrical in shape and has a cross-sectional dimension smaller than the cross-sectional dimension of the inner cavity 111 to ensure that it can be inserted into the inner cavity 111. The wiper strip 122 is provided on the circumferential side surface of the mandrel member 12, protruding from the circumferential side surface of the mandrel body 121.
After the spindle member 12 is disposed in the inner cavity 111 of the brush roller 11, a certain gap is formed between the spindle body 121 and the inner circumferential side wall of the brush roller 11, and the spindle body 121 can rotate relative to the brush roller 11.
As shown in fig. 5 and 6, the free end of the wiper strip 122 is inserted into the through hole 112 of the brush roller 11 and protrudes outside the outer surface of the brush roller 11 (i.e., protrudes out of the through hole 112) in a certain state; because the spindle body 121 may rotate relative to the brush roller 11, and the wiper strip 122 is integrally connected to the spindle body 121, when the spindle body 121 rotates, the length of the wiper strip 122 extending out of the brush roller 11 may change as the spindle body 121 rotates relative to the brush roller 11.
In this embodiment, the scraping bar 122 is made of rubber or resin material, and has a certain elasticity and deformability (it should be noted that the material of the scraping bar 122 is well known in the art), and the thickness of the scraping bar 122 is slightly larger than the width of the through hole 112 in the corresponding dimension. The wiper strip 122 is inserted into the through hole 112, and then clamped by the through hole 112 and fixed to the brush roller 11. When the roll brush is rotated, the brush roller 11 and the core shaft member 12 can be integrally rotated by the clamping force of the through-holes 112; further, the length of the wiper strip 122 extending out of the through hole 112 does not change when the roller brush is rotated.
When the roller brush is used for cleaning surfaces to be cleaned with different roughness or different characteristics, a larger external force is applied to the spindle body 121 to rotate the spindle body 121 relative to the brush roller 11, so that the length of the scraping strip 122 moving relative to the through hole 112 and extending out of the surface of the brush roller 11 is changed.
It should be noted that in the present embodiment, the bar 122 has a better stiffness, so that the bar 122 can move relative to the through hole 112 no matter the spindle body 121 rotates forward or backward; in other embodiments, if the stiffness of the wiper strip 122 is poor, the length of the wiper strip 122 extending out of the peripheral side of the brush roller 11 may be increased by passively rotating the spindle body 121 in a manner of pulling the wiper strip 122 from the outside of the brush roller 11; by rotating the spindle body 121 (in the direction opposite to the illustrated direction), the length of the wiper strip 122 extending out of the outer peripheral side surface of the brush roller 11 can be shortened.
The rolling brush provided by the embodiment can set the length of the scraping strips 122 extending out of the peripheral surface of the brush roller 11 according to the characteristics of the surface to be cleaned, so that the rolling brush can adapt to different application requirements. In addition, the change of the extension length of the scraping strip 122 is realized by rotating the mandrel body 121 or pulling the scraping strip 122 by external force, so that the operation is more convenient and the usability is easy.
As shown in the respective drawings, in the present embodiment, both the inner peripheral side surface of the brush roller 11 and the outer peripheral side surface of the spindle body 121 are provided as cylindrical surfaces; in other embodiments, the inner peripheral side surface of the brush roller 11 and the outer peripheral side surface of the spindle body 121 may be provided with other cross-sectional shapes as long as the normal range of rotation of the spindle body 121 is ensured to be affected.
In the present embodiment, the relative fixation between the core shaft member 12 and the brush roller 11 is achieved by the through-holes 112 pinching the wiper strip 122 during normal use of the roll brush. In other embodiments, a connection fastener may be provided for the roller brush, and the connection fastener may be fixedly connected to the spindle member 12 and the brush roller 11 and may be detachable with respect to the spindle member 12 and the brush roller 11. When the length of the scraping strip 122 extending out of the brush roller 11 needs to be adjusted, the connecting fixing piece can be detached, so that the mandrel body 121 can rotate relative to the brush roller 11; when the rolling brush is used, the connecting and fixing piece is installed. In the following, a detailed analysis will be made of one possible form of the connection fixture.
In the foregoing embodiment, the scraping member connected to the mandrel body 121 and extending out of the outer circumferential surface of the through hole 112 is a scraping strip 122; in other embodiments, the wipers may be bristles, and the bristles are not limited to the aforementioned resin-based materials, but may be bristles of fiber-based materials.
Of course, in the case of bristles as the sweeping members, it is preferred to provide a connecting fixture in the roller brush to ensure that the length of the bristles extending beyond the brush roll 11 changes less when the roller brush is in use.
Referring to fig. 5, in the roller brush of the present embodiment, the through hole 112 formed in the brush roller 11 is a long hole, and the through hole 112 forms an opening 113 at the first axial end of the brush roller 11 (i.e., the through hole 112 provided in the present embodiment is actually a long through groove). In practical applications, it is conceivable that the scraping bar 122 can be quickly inserted into the through hole 112 through the opening 113 when the mandrel body 121 is inserted into the inner cavity 111, that is, the mandrel 12 is convenient to mount and dismount.
Of course, in other embodiments, a plurality of through holes 112 may be provided along the axial direction of the brush roller 11; when the mandrel 12 is installed, the mandrel 12 is inserted into the inner cavity 111 of the brush roller 11, and then the wiper strip 122 is inserted into the corresponding through hole 112. However, the structure makes the installation and the disassembly of the rolling brush very complicated, and the practical application value is relatively small.
Please continue to refer to fig. 5 and also refer to fig. 6. In the roll brush provided in the present embodiment, the through-hole 112 provided in the brush roller 11 is a spiral long hole; that is, when the through hole 112 extends substantially in the axial direction of the roller, a first deflection angle larger than 0 degree is formed with respect to the generatrix of the brush roller 11.
Correspondingly, the scraping strips 122 arranged on the circumferential side surface of the mandrel body 121 are spiral scraping strips 122, and a second deflection included angle larger than 0 degree is formed between the scraping strips 122 and the generatrix of the mandrel body 121. The first deflection angle and the second deflection angle are the same in angle and the deflection direction is the same (i.e., the rotation direction of the through hole 112 is the same as the rotation direction of the wiper strip 122).
The advantage of providing the through-hole 112 and the wiper strip 122 in a spiral shape will be described below with reference to fig. 1. Referring to fig. 1, the second shaft end of the roller brush is connected to the output shaft 19 of the driving motor. Because of the structural and dimensional limitations, the possibility of providing a dust suction port is small after the drive motor is provided on the second axial end side of the roll brush. In this embodiment, however, the through hole 112 and the scraper are formed in a spiral shape, so that dust near the second axial end can be pushed to the first axial end in a spiral shape, and it is not necessary to form the dust suction port of the vacuum cleaner near the first axial end.
It should be noted that if the through-hole 112 and the wiper 122 are provided in a spiral configuration, the roller brush should be rotated in the direction shown in the figures, i.e., the portion of the wiper 122 near the second axial end contacts the surface to be cleaned first, and the portion near the first axial end contacts the surface to be cleaned last.
It should also be noted that, in the present embodiment, in the case where the extending direction of the through-hole 112 and the generatrix of the brush roller 11 form the first deflection angle, if the through-hole 112 is spread out on a plane, the through-hole 112 itself is a linear hole; in practical application, however, the included angle between the through hole 112 and the bus of the brush roller 11 may not be a fixed first deflection angle, but may be different in deflection angles relative to the bus of the brush roller at different positions; that is, if the through-holes 112 are spread on a plane, the through-holes 112 may not be linear holes.
In addition, in other embodiments, the first deflection angle and the second deflection angle are not identical and do not affect the aforementioned function; it is simply possible that the wiper strip 122 is easily caught in the through hole 112 and it is inconvenient to rotate the mandrel body 121.
As shown in fig. 1 to 6, in the embodiment, four through holes 112 are uniformly distributed in the brush roller 11, and the included angle of the sector cylindrical surfaces formed by the adjacent through holes 112 is 90 degrees; the mandrel member 12 is provided with a wiper strip 122 corresponding to each through-hole 112. In addition, in the present embodiment, the first deflection angle is equal to a central angle corresponding to a sector cylindrical surface between two adjacent through holes 112, that is, the first deflection angle is 90 degrees.
When the roller brush is used, it is ensured that the former scraping bar 122 leaves the surface to be cleaned, and the latter scraping bar 122 contacts the surface to be cleaned, so as to avoid an uncleaned area of the surface to be cleaned. The first deflection angle is set to be 90 degrees, the part of the front scraping strip 122 close to the first shaft end is not provided with a surface to be cleaned, the rear scraping strip 122 close to the second shaft end is already contacted with the surface to be cleaned, and the two scraping strips 122 form a two-point supporting structure, so that the impact generated when the scraping strips 122 contact the ground can be reduced, and the use stability of the roller brush is improved.
In other embodiments, the number of the through holes 112 and the wiper strips 122 may be set to other numbers according to practical applications, and is preferably set to more than the number in the present embodiment. In other embodiments, the angle of the first deflection angle may be larger than the central angle corresponding to the fan-shaped cylindrical surface between two adjacent through holes 112.
In addition, in other embodiments, the extending direction of the through hole 112 may be parallel to the generatrix of the roller brush, and correspondingly, the extending direction of the scraper bar 122 is parallel to the generatrix of the mandrel body 121.
As shown in fig. 4 and 5, in the present embodiment, the side wall of the through hole 112 forms a first angle with the radial direction of the brush roller 11, and the first angle is an acute angle. Referring to the rotation direction of the roll brush shown in fig. 4 and 5, the side wall of the through hole 112 may make an angle between the extending direction of the free end of the wiper strip 122 and the radial direction of the brush roller 11 acute, and an angle between the extending direction of the wiper strip 122 and the rotation tangential direction of the outer circumferential surface of the roll brush also acute. Therefore, the scraping strip 122 can play a role in better scraping the surface to be cleaned, and the cleaning effect is improved.
It should be noted that to achieve the effect mentioned in the preceding paragraph, the roller brush should be rotated in the direction of fig. 1, 4 and 5, and if rotated in the opposite direction, the corresponding cleaning effect is also reduced.
Referring to fig. 4 and 5, in the present embodiment, a first limiting protrusion 13 is disposed on an inner circumferential surface of the brush roller 11, and a second limiting protrusion 14 is disposed on an outer circumferential side surface of the mandrel body 121. The sum of the heights of the first limit projection 13 and the second limit projection 14 is greater than the distance from the inner peripheral surface of the brush roller 11 to the mandrel body 121.
When the spindle body 121 rotates relative to the brush roller 11 to the position shown in fig. 5, the first limit projection 13 abuts against the second limit projection 14 to limit the spindle body 121 to rotate further in the first direction relative to the brush roller 11 (the first direction is the opposite direction of the illustrated direction), so as to prevent the wiper strip 122 from separating from the through hole and completely retracting into the inner cavity 111 of the brush roller 11.
As shown in fig. 5, in the present embodiment, a countersink portion 114 is provided on a side of the through hole 112 on the outer peripheral side surface of the brush roller 11. When the first limiting convex block 13 touches the second limiting convex block 14, the free end of the scraping strip 122 retracts into the counter bore part 114, and the scraping strip 122 is prevented from being accidentally scratched. The provision of the countersink 114 also facilitates pulling the wiper strip 122 out of the through-hole 112 by an external force.
Of course, the countersink region 114 may not be provided in other embodiments; in addition, when the first limit projection 13 touches the second limit projection 14, the free end of the wiper strip 122 may also protrude out of the outer circumferential surface of the brush roller 11.
Still referring to fig. 4 and 5, a third limiting protrusion 15 is disposed on the inner circumferential side of the brush roller 11, and a fourth limiting protrusion 16 is disposed on the outer circumferential side of the mandrel body 121; the sum of the height of the third limit projection 15 and the height of the fourth limit projection 16 is greater than the distance from the peripheral side surface of the brush roller 11 to the peripheral side surface of the mandrel body 121. The third limit projection 15 and the fourth limit projection 16 cooperate to limit the continued rotation of the spindle body 111 relative to the brush roller 11 in the second direction (i.e., to limit the continued rotation in the direction shown in the drawings). Referring to fig. 4, when the third limit protrusion 15 touches the fourth limit protrusion 16, the length of the scraping strip 122 extending out of the brush roller 11 is the longest, and the distance from the connection point of the scraping strip 122 and the spindle body 121 to the through hole 112 is the shortest; if the brush roller continues to rotate in the direction shown in the figure, the distance between the wiper strip 122 and the spindle body 121 increases, and the wiper strip 122 moves in the opposite direction, and the length of the wiper strip extending out of the brush roller 11 becomes shorter.
Referring to fig. 1 and 2, in the present embodiment, a first end cap 17 is provided at a first end of the brush roller 11. The first end cap 17 is provided with a first through hole 171 at the axial center. The first end cap 17 is fixedly connected to the brush roller 11 and is detachable. The spindle body 121 passes through the first through hole 171 and is rotatable with respect to the first through hole 171.
The first end cover 17 can support the brush roller 11 to prevent the end of the brush roller 11, which is provided with the opening 113, from deforming; in addition, the first end cap 17 also functions to support the mandrel body 121, so as to prevent the mandrel body 121 from swinging in the inner cavity 111 when the roller brush rotates. .
In this embodiment, the mandrel body 121 includes a mandrel portion and a central shaft 123. The shaft center of the shaft core portion is provided with a shaft center hole 125. The center shaft 123 is inserted into the center hole 125 and is fixedly connected to the shaft core. In a specific application, the central shaft 123 and the shaft core portion may be connected by an interference fit or a key. The previously described passage of the spindle body 121 through the first through hole 171 is actually the passage of the central shaft 123 through the first through hole 171, with the shaft core being disposed entirely within the internal cavity 111.
Of course, in other embodiments, the shaft core and the central shaft 123 may be integrally provided. For example, an injection molding process may be used to directly melt mold the core portion onto the central shaft 123. In other embodiments, the shaft member of the vacuum cleaner may be connected to the shaft core portion through the first through hole 171 without providing the center shaft 123 (of course, from a functional point of view, the shaft member of the vacuum cleaner may have the same function as the center shaft 123, and may be considered as a part of the roll brush).
It is also reminded that in the present embodiment, the scraping strip 122 and the shaft core are integrally disposed for convenience of processing; in other embodiments, the two can be arranged separately.
In this embodiment, the central shaft 123 may rotate relative to the first through hole 171 in the first end cap 17; in other embodiments, the central shaft 123 may also be fixedly connected with the first through hole 171, so as to fix the mandrel body 121 relative to the brush roller 11; that is, in other embodiments, the first end cap 17 is the aforementioned connection fixture.
In a specific application, the central shaft 123 and the first through hole 171 may be in an interference fit or a key connection, and preferably, the key connection is adopted. Of course, if it is desired to adjust the length of the scraper bar 122 extending from the brush roll 11, the first end cap 17 should be removed first, and the fixed connection between the first end cap 17 and the brush roll 11 and the central shaft 123 should be released.
Referring to fig. 2, in the rolling brush provided in this embodiment, a groove 124 is formed at the shaft end of the central shaft 123 extending out of the first through hole 171; this recess 124 functions like the recess of a screw head for driving rotation of the spindle member 12. In other embodiments, the groove 124 may be disposed at other positions of the central shaft 123, for example, on the peripheral surface of the shaft end of the central shaft 123 protruding out of the first through hole 171. In addition, in other embodiments, other structures for performing the function of the groove 124 may be provided.
Referring to fig. 1, 3 and 9, the rolling brush provided by the present embodiment further includes a second end cap 18. The second end cover 18 is arranged at the second shaft end of the brush roller 11 and is fixedly connected with the brush roller 11; in practice, the second end cap 18 and the brush roller 11 are preferably keyed.
A second through hole 181 is provided at the axial center of the second end cap 18; an output shaft 19 of a driving motor for driving the rolling brush to rotate is inserted into the second through hole 181 and fixedly connected with the second end cover 18 in a key connection manner. Therefore, the output shaft 19 of the driving motor drives the second end cover 18 to rotate, the second end cover 18 drives the brush roller 11 to rotate, the brush roller 11 pushes the scraping strips 122 to rotate, the scraping strips 122 drive the mandrel body 121 to rotate, and the integral rotation of the brush roller 11 is achieved.
In this embodiment, the free end of the output shaft 19 of the drive motor is inserted into the inner cavity 111 of the brush roller 11 and into the shaft center hole 125, in sliding contact with the shaft center hole 125. This structure can better support the spindle body 121 without affecting the rotation of the spindle body 121 relative to the brush roller 11 by an external force.
Of course, in other embodiments, the output shaft 19 of the driving motor may also be connected with the shaft center hole 125 in a key connection manner; in this case, the second end cap 18 also functions as a connection fixture.
In this embodiment, the second end cap 18 is provided as a separate member from the brush roller 11 in order to facilitate the processing of the respective members. In other embodiments, the second end cap 18 may be integrally provided with the brush roll 11.
Here, it should be noted that the peripheral side surface of the brush roller 11 in this embodiment may be a smooth surface, or may be a surface having bristles or a wiper strip, but the bristles or the wiper strip on the surface cannot be too long. In addition, it should be noted that the hatching in the two cross-sectional views in the drawings is only for illustrating the corresponding components, and does not limit the material characteristics of the corresponding components.
Besides the rolling brush, the embodiment of the application also provides a dust collector adopting the rolling brush. The dust collector comprises a driving motor arranged at a working end, a dust collection port and the rolling brush; an output shaft 19 of the driving motor is connected with the rolling brush to drive the rolling brush to integrally rotate, the dust suction port is arranged at the rear side of the rolling brush, and the negative pressure is utilized to suck the stains swept up by the rotation of the rolling brush.
Of course, the rolling brush provided by the embodiment is not limited to be used in a dust collector, and can also be used in some stirring equipment and coating equipment which can use the rolling brush.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (16)
1. A roller brush is characterized by comprising a brush roller (11);
an inner cavity (111) is formed in the axis of the brush roller (11); the peripheral side wall of the brush roller (11) is provided with a through hole (112); the through hole (112) is communicated with an inner cavity (111) of the brush roller (11);
a mandrel piece (12) is arranged in the inner cavity (111); the mandrel part (12) comprises a mandrel body (121) and a scraping piece; the scraper is arranged on the peripheral side surface of the mandrel body (121); the mandrel part (12) can rotate relative to the brush roller (11);
the free end of the scraper is inserted into the through hole (112) and can extend out of the outer surface of the brush roller (11); the length of the scraper extending out of the brush roller (11) is changed along with the rotation of the mandrel body (121) relative to the brush roller (11);
the rolling brush also comprises a connecting fixing piece; the connecting fixing piece is detachably connected with the mandrel piece (12) and the brush roller (11) so that the brush roller (11) and the mandrel piece (12) can integrally rotate; and/or the presence of a gas in the gas,
the through-hole (112) clamps the wiper blade so that the brush roller (11) and the shaft member (12) can rotate integrally.
2. The roller brush according to claim 1, wherein:
the through hole (112) is a long hole extending to a first shaft end of the brush roller (11), and an opening (113) is formed at the first shaft end of the brush roller (11);
the wiper is inserted into the through hole (112) through the opening (113).
3. The roller brush according to claim 2, wherein:
the through hole (112) is a spiral long hole;
the scraping piece is a spiral scraping piece;
the rotating direction of the through hole is the same as that of the scraping piece.
4. A roller brush according to claim 3 wherein:
the extending direction of the through hole (112) and a bus of the brush roller (11) form a first deflection angle;
the scraping piece and a bus of the mandrel body (121) form a second deflection angle;
the first deflection angle is equal to the second deflection angle.
5. The roller brush according to claim 4, wherein:
the brush roller (11) is provided with a plurality of through holes (112); the circumferential side surface of the mandrel body (121) is provided with the scraping pieces which correspond to the through holes (112) one by one;
the first deflection angle is larger than or equal to a central angle corresponding to a fan-shaped cylindrical surface between two adjacent through holes (112).
6. A roller brush according to claims 1-5, characterized in that:
the side wall of the through hole (112) and the radial direction of the brush roller (11) form a first included angle;
the first included angle is an acute angle.
7. A roller brush according to any of claims 1-5, characterized in that:
the circumferential surface of the inner side of the brush roller (11) is provided with a first limiting bump (13);
the outer circumferential surface of the mandrel body (121) is provided with a second limiting bump (14);
the sum of the height of the first limiting lug (13) and the height of the second limiting lug (14) is greater than the distance from the inner peripheral surface of the brush roller (11) to the outer peripheral surface of the axle center body;
the first limit bump (13) and the second limit bump (14) are matched to limit the mandrel body (121) to rotate continuously in the first direction relative to the brush roller (11);
when the first limiting convex block (13) touches the second limiting convex block (14), the part of the scraping strip (122) extending out of the outer circumferential surface of the brush roller (11) is shortest, or the free end of the scraping strip (122) extends into the through hole (112).
8. The roller brush according to claim 7, wherein:
a countersink portion (114) is provided on a side of the through hole (112) facing the outer peripheral side surface of the brush roller (11).
9. A roller brush according to any of claims 1-5, characterized in that:
a third limiting bump (15) is arranged on the circumferential side surface of the inner side of the brush roller (11);
the peripheral surface of the outer side of the mandrel body (121) is provided with a fourth limiting bump (16);
the sum of the height of the third limiting lug (15) and the height of the fourth limiting lug (16) is greater than the distance from the inner circumferential surface of the brush roller (11) to the outer circumferential surface of the axle center body;
the third limiting lug (15) and the fourth limiting lug (16) are matched to limit the mandrel body (121) to rotate continuously in the second direction relative to the brush roller (11);
when the third limiting convex block (15) touches the fourth limiting convex block (16), the part of the scraping strip (122) extending out of the peripheral side face of the brush roller (11) is longest.
10. A roller brush according to any of claims 1-5, characterized in that:
the connecting and fixing piece is a first end cover (17); the first end cover (17) is arranged at the first shaft end of the brush roller (11);
a first through hole (171) is formed in the axis of the first end cover (17);
the first end cover (17) is detachably connected with the brush roller (11) in an interference fit mode or in a key connection mode;
the mandrel body (121) passes through the first through hole (171).
11. The roller brush according to claim 10, wherein:
the mandrel body (121) comprises a mandrel core part and a central shaft (123) is arranged at the axis of the mandrel core part;
the shaft core and the center shaft (123) are integrally provided; or,
an axle center hole (125) is formed in the axle center of the axle core part; the central shaft (123) is inserted into the central shaft hole (125) and is in interference connection or key connection with the central shaft part;
the center shaft (123) passes through the first through hole (171).
12. The roller brush according to claim 11, wherein:
a groove (124) is formed in the end, extending out of the first through hole (171), of the central shaft (123).
13. A roller brush according to claims 1-5, characterized in that:
a second end cover (18) is arranged at the second shaft end of the brush roller (11);
the second end cover (18) is fixedly connected with the brush roller (11);
and a second through hole (181) which is in key connection with an output shaft (19) of the driving motor is formed in the axis of the second end cover (18).
14. The roller brush according to claim 13, wherein:
the mandrel body (121) is provided with a mandrel hole (125) which is in sliding connection with an output shaft (19) of the driving motor.
15. A roller brush according to any of claims 1-5, characterized in that:
the scraping pieces are scraping strips (122) or bristles.
16. A vacuum cleaner comprising a suction opening, characterized by further comprising a drive motor and a roll brush according to any one of claims 1-15; the rolling brush is arranged at the dust suction port; an output shaft (19) of the driving motor is connected with the rolling brush to drive the rolling brush to rotate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408773.1A CN108464771A (en) | 2018-05-02 | 2018-05-02 | Rolling brush and dust collector adopting same |
| PCT/CN2018/112194 WO2019210655A1 (en) | 2018-05-02 | 2018-10-26 | Rolling brush and vacuum using rolling brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810408773.1A CN108464771A (en) | 2018-05-02 | 2018-05-02 | Rolling brush and dust collector adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108464771A true CN108464771A (en) | 2018-08-31 |
Family
ID=63263992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810408773.1A Pending CN108464771A (en) | 2018-05-02 | 2018-05-02 | Rolling brush and dust collector adopting same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108464771A (en) |
| WO (1) | WO2019210655A1 (en) |
Cited By (9)
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| CN108971144A (en) * | 2018-09-10 | 2018-12-11 | 湖北科技学院 | A kind of coiled material dust pelletizing system producing aluminum metal tank |
| WO2019210655A1 (en) * | 2018-05-02 | 2019-11-07 | 格力电器（武汉）有限公司 | Rolling brush and vacuum using rolling brush |
| CN110899241A (en) * | 2019-11-18 | 2020-03-24 | 杭州科技职业技术学院 | Computer hardware dust collector |
| CN110916340A (en) * | 2019-11-25 | 2020-03-27 | 安徽三和刷业有限公司 | Industrial cylinder brush convenient to angle regulation |
| CN113080781A (en) * | 2021-04-01 | 2021-07-09 | 安徽茂全环保科技有限公司 | Ground washing machine garbage pickup mechanism and ground washing machine thereof |
| WO2021139616A1 (en) * | 2020-01-07 | 2021-07-15 | 江苏美的清洁电器股份有限公司 | Floor brush assembly and cleaner having same |
| CN113598658A (en) * | 2021-08-17 | 2021-11-05 | 北京石头世纪科技股份有限公司 | Round brush subassembly and cleaning device |
| CN113616109A (en) * | 2020-05-07 | 2021-11-09 | 莱克电气股份有限公司 | Round brush and dust catcher |
| CN114343486A (en) * | 2021-08-31 | 2022-04-15 | 帝舍智能科技(武汉)有限公司 | Cleaning head capable of cleaning long and thin garbage and cleaning appliance |
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| Publication number | Publication date |
|---|---|
| WO2019210655A1 (en) | 2019-11-07 |
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