CN110584541B - Round brush subassembly and machine of sweeping floor - Google Patents
Round brush subassembly and machine of sweeping floor Download PDFInfo
- Publication number
- CN110584541B CN110584541B CN201910866101.XA CN201910866101A CN110584541B CN 110584541 B CN110584541 B CN 110584541B CN 201910866101 A CN201910866101 A CN 201910866101A CN 110584541 B CN110584541 B CN 110584541B
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- rod body
- sawtooth
- cover
- transmission cover
- shaft
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/24—Floor-sweeping machines, motor-driven
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4041—Roll shaped surface treating tools
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Abstract
The invention is suitable for the technical field of cleaning equipment, and provides a rolling brush assembly and a sweeper, wherein the rolling brush assembly comprises: the rolling brush rod comprises a rod body and a brush body arranged on the rod body, and a gap extending along the axial direction of the rod body is arranged on the rod body; the cam is arranged in the rod body and can rotate around the axial direction of the rod body relative to the rod body, a closed annular limiting structure is formed on the peripheral surface of the cam, and the limiting structure is obliquely arranged relative to the axial direction of the rod body; the first sawtooth strip is provided with a matching structure matched with the limiting structure, and the first sawtooth strip can be driven to linearly reciprocate relative to the rod body by the matching of the limiting structure and the matching structure, so that hair, lines and other winding objects wound on the rolling brush rod can be cut off, the winding objects are prevented from winding and accumulating on the rolling brush component, manual cleaning is not needed, and the rolling brush component is ensured to normally and continuously work; the sweeper with the rolling brush assembly has the advantages that the first sawtooth racks can cut off the winding, and the sweeper can work normally and continuously.
Description
Technical Field
The invention relates to the technical field of cleaning equipment, in particular to a rolling brush assembly and a sweeper.
Background
The robot of sweeping the floor generally adopts brush to sweep and vacuum suction mode to collect and take into the rubbish receiver that gets into self with ground debris to accomplish the function of ground clearance. The rolling brush of the sweeper is arranged at the bottom of the sweeper and rotates to sweep the ground. When the sweeper cleans the ground, the hair on the ground can be wound on the rolling brush, which causes the sweeper to have large noise and large working current and influences the sweeping effect. When a lot of hair is entangled, the machine will be alerted and have to be cleaned manually.
Disclosure of Invention
The invention aims to provide a rolling brush assembly, and aims to solve the technical problem that a rolling brush of an existing sweeper is easily wound by hair.
The present invention is achieved as such, a roll brush assembly comprising:
the rolling brush rod comprises a rod body and a brush body arranged on the rod body; the bar body is provided with a gap extending along the axial direction of the bar body;
the cam is arranged in the rod body and can rotate relative to the rod body along the axial direction of the rod body; a closed annular limiting structure is formed on the peripheral surface of the cam, and the limiting structure is obliquely arranged relative to the axial direction of the rod body; and
the first sawtooth strip is provided with a plurality of first sawteeth which are sequentially arranged on at least one side edge, and the first sawteeth protrude out of the gap; and a matching structure is arranged on the first sawtooth strip, and the matching structure extends into the gap to be matched with the limiting structure.
In one embodiment, both side edges of the first sawtooth strip form a plurality of the first sawteeth; the gaps are formed on two opposite sides of the rod body, and the first sawteeth are respectively protruded from the corresponding gaps.
In one embodiment, the rolling brush assembly further comprises a fixed shaft, the fixed shaft is arranged inside the rod body, and the cam is arranged on the fixed shaft; the limiting structure is an annular groove, and the matching structure is a deflector rod; in the relative rotation process of the first sawtooth strip and the cam, the shifting lever moves in the annular groove.
In one embodiment, the roll brush assembly further comprises:
the first end cover group comprises a first fixed cover and a first transmission cover which are oppositely arranged, and the first transmission cover is arranged on one side of the first fixed cover close to the first sawtooth rack and can rotate relative to the first fixed cover in the axial direction of the rod body; and
the second end cover group comprises a second fixed cover and a second transmission cover which are oppositely arranged, the second transmission cover is arranged on one side of the second fixed cover close to the first sawtooth strip and can rotate relative to the second fixed cover in the axial direction of the rod body;
the two ends of the first sawtooth strip and the two ends of the rod body are respectively connected to the first transmission cover and the second transmission cover to rotate along with the first transmission cover and the second transmission cover, and the fixed shaft is arranged on the second fixed cover.
In one embodiment, at least one first half concave part is formed on the first sawtooth strip in a protruding mode at the position corresponding to the fixed shaft, and the first half concave part is used for avoiding the fixed shaft.
In one embodiment, a first clamping part and two first limiting parts are formed on the surface of the first transmission cover facing the second transmission cover, and the two first limiting parts are oppositely and alternately arranged around the first clamping part; a second clamping part and two second limiting parts are formed on the surface of the second transmission cover facing the first transmission cover, and the two second limiting parts are oppositely and alternately arranged around the second clamping part; the inner sides of the two ends of the rod body form matching parts used for corresponding to the first clamping part and the second clamping part, and the two ends of the first sawtooth strip are respectively arranged between the two first limiting parts and between the two second limiting parts.
In one embodiment, the first end cap set further comprises a transmission shaft passing through the first fixed cap and fixedly connected with the first transmission cap; the transmission shaft is used for being connected with the driving piece.
In one embodiment, the rolling brush assembly further comprises a second sawtooth strip, a plurality of second sawteeth are sequentially arranged on at least one side edge of the second sawtooth strip, and the second sawtooth strip is arranged to be abutted against the first sawtooth strip; the second sawtooth rack remains stationary relative to the body.
In one embodiment, the wand body comprises an outer sleeve shaft and an inner sleeve shaft, the brush body being formed on the outer sleeve shaft, the outer sleeve shaft being mounted on an outer side face of the inner sleeve shaft.
Another object of the present invention is to provide a sweeper including the roller brush assembly according to the above embodiments.
The rolling brush assembly and the sweeper provided by the invention have the beneficial effects that:
this round brush subassembly includes the round brush stick, cam and first sawtooth rack, be equipped with on the barred body of round brush stick along its axial extension's gap in order to allow the first sawtooth of first sawtooth rack to expose, borrow the cooperation structure on limit structure on the outer peripheral face of cam and the first sawtooth rack to realize the axial displacement of first sawtooth rack for the barred body, and in the normal course of work of round brush stick, first sawtooth rack can do rectilinear reciprocating motion with lasting, will twine the hair on the round brush stick, twines such as lines cut off, prevent twines etc. winding, pile up on this round brush subassembly, need not artifical clearance, guarantee the normal of this round brush subassembly, continuous work.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rolling brush assembly according to an embodiment of the present invention;
FIG. 2 is an exploded view of a roller brush assembly provided by an embodiment of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a further exploded view of the roller brush assembly provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a second drive cap of the brush roll assembly provided by an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a sweeper provided in the embodiment of the present invention.
The designations in the figures mean:
100-a roller brush assembly;
1-a first sawtooth strip, 11-a first sawtooth, 12-a first hollowed-out part, 13-a first half-concave part, 14-a first avoiding part, 15-a matching structure and 1030-a through hole;
2-rolling brush rod, 21-rod body, 22-brush body, 23-inner sleeve shaft, 24-outer sleeve shaft, 231-matching part;
3-a second sawtooth strip, 31-a second sawtooth, 32-a second hollowed-out part, 33-a second semi-concave part, and 34-a second avoidance part;
4-a first end cover group, 41-a first fixed cover, 42-a first transmission cover, 43-a transmission shaft, 44-a first bearing, 45-a connecting piece;
5-a second end cover group, 51-a second fixed cover, 52-a second transmission cover, 521-a second clamping part, 522-a second limiting part and 54-a second bearing;
6-cam, 60-limit structure;
7-a fixed shaft;
200-sweeper, 9-bottom shell, 91-opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the patent. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
In order to explain the technical solution of the present invention, the following detailed description is made with reference to the specific drawings and examples.
Referring to fig. 1 to 3, the present invention first provides a rolling brush assembly 100, which includes a first sawtooth rack 1, a rolling brush rod 2 and a cam 6, wherein at least one side edge of the first sawtooth rack 1 is formed with a plurality of first sawteeth 11 arranged in sequence, the rolling brush rod 2 includes a rod 21 and a brush 22 arranged on the rod, and the rod 21 is provided with a slit (not shown) extending along an axial direction thereof; the cam 6 is arranged in the rod body 21 and can rotate around the axial direction of the rod body 21 relative to the rod body 21, a limit structure 60 in a closed ring shape is formed on the outer peripheral surface of the cam 6, and the limit structure 60 is obliquely arranged relative to the axial direction of the rod body 21; the first sawtooth strip 1 is provided with a matching structure 15, the matching structure 15 extends into the gap to match with the limiting structure 60, the first sawtooth 11 protrudes out of the rod body 21, so that the first sawtooth 11 cannot be shielded and influenced by the rod body 21, and meanwhile, the first sawtooth 11 protrudes out of the gap of the rod body 21 to limit the relative movement of the rod body 21 and the first sawtooth strip 1 in the circumferential direction. Certainly, the top end of the first saw tooth 11 is lower than the top end of the brush body 22, so that the first saw tooth 11 does not contact the ground after the brush body 22 deforms in the cleaning process, and the first saw tooth strip 1 is prevented from scratching the ground. When the rod body 21 and the cam 6 rotate relatively for one circle, the limiting structure 60 and the matching structure 15 are matched with each other in the rotating process, the first sawtooth strip 1 can be driven to generate one-time reciprocating relative displacement along the axial direction of the rod body 21, in the continuous rotating process of the rolling brush rod 2, the first sawtooth strip 1 does continuous linear reciprocating movement along the axial direction of the rod body 21, and the first sawtooth 11 can contact with hair and other winding objects in the reciprocating movement process so as to cut off the winding objects.
According to the rolling brush assembly 100 provided by the embodiment of the invention, the axial movement of the first sawtooth strip 1 relative to the rod body 21 is realized by the limit structure 60 on the outer peripheral surface of the cam 6 and the matching structure 15 on the first sawtooth strip 1, and in the normal working process of the rolling brush rod 2, the first sawtooth strip 1 can continuously make linear reciprocating movement, so that the wound objects such as hair and lines wound on the rolling brush rod 2 can be cut off, the wound objects are prevented from being wound and accumulated on the rolling brush assembly 100, manual cleaning is not needed, and the normal and continuous working of the rolling brush assembly 100 is ensured.
Referring to fig. 2 and 4, in the present embodiment, a plurality of first saw teeth 11 are formed on both side edges of the first saw tooth strip 1, gaps are formed on both opposite sides of the rod 21, and the first saw teeth 11 on both side edges of the first saw tooth strip 1 protrude from the gaps on the corresponding side thereof, as shown in fig. 1, so that a greater number of first saw teeth 11 can be provided for cutting the winding object, thereby improving the cutting effect and further preventing the winding object from being wound. In addition to the roll brush assembly 100 including the first saw-tooth bar 1 having the first saw-teeth 11 formed at both side edges thereof, in other alternative embodiments, the roll brush assembly 100 may also include the first saw-tooth bar 1 having the first saw-teeth 11 formed at one side edge thereof.
It is understood that the rod 21 may be formed by at least two structures which are independently arranged and oppositely installed, i.e. the gap may extend to the end of the rod 21; in some embodiments, the rod 21 may also be a unitary structure, and a non-open gap is reserved in the middle of the rod to allow the first saw tooth 11 to be exposed.
The roll brush assembly 100 is used in a sweeping robot for sweeping a floor in a rotating manner. Thus, in one embodiment, the roll brush bar 2 and the first sawtooth rack 1 in the roll brush assembly 100 should also rotate together about their axial direction. Specifically, the rolling brush assembly 100 further comprises a first end cover group 4 and a second end cover group 5 which are respectively arranged at two ends of the rod body 21 and the first sawtooth rack 1, the first end cover group 4 comprises a first fixing cover 41 and a first transmission cover 42 which are oppositely arranged, the first fixing cover 41 is used for being fixedly arranged, and the first transmission cover 42 is arranged at one side, close to the first sawtooth rack 1, of the first fixing cover 41 and can rotate relative to the axial direction of the first fixing cover 41 relative to the rod body 21. The second end cap group 5 comprises a second fixed cap 51 and a second transmission cap 52 which are oppositely arranged, the second fixed cap 51 is used for being fixedly arranged, and the second transmission cap 52 is arranged on one side of the second fixed cap 51 close to the first sawtooth rack 1 and can rotate relative to the second fixed cap 51 in the axial direction of the rod body 21. The first sawtooth racks 1 and the rod body 21 are arranged between the first transmission cover 42 and the second transmission cover 52, and two ends of the first sawtooth racks 1 and the rod body 21 are respectively connected to the first transmission cover 42 and the second transmission cover 52, so that the first sawtooth racks 1, the rolling brush rod 2, the first transmission cover 42 and the second transmission cover 52 can synchronously rotate relative to the first fixing cover 41 and the second fixing cover 51, and the functions of rotating, cleaning and cutting off the wound are realized.
Referring to fig. 3 and 4, in one embodiment, the roller brush assembly 100 further includes a second saw-tooth bar 3, at least one side edge of the second saw-tooth bar 3 is formed with a plurality of second saw-teeth 31 arranged in sequence, the second saw-tooth bar 3 is disposed to abut against the first saw-tooth bar 1, and both ends of the second saw-tooth bar 3 are also connected to the first transmission cover 42 and the second transmission cover 52 to rotate with the first transmission cover 42 and the second transmission cover 52. In contrast, the second toothed rack 3 remains stationary relative to the roller brush bar 2, i.e. the second toothed rack 3 does not undergo any movement in the axial direction of the bar 21. Such benefit is, first sawtooth rack 1 and second sawtooth rack 3 paste and lean on the setting and first sawtooth rack 1 is for second sawtooth rack 3 is reciprocating motion in the axial, form the structure similar to the scissors between the two, can cut off the winding, and second, even can't closely paste between the two, second sawtooth rack 3 also can make the winding by tensioning, tear tightly, and then be favorable to the winding by first sawtooth rack 1 cuts off fast to further improve the efficiency of clearing up the winding.
In the embodiment, a plurality of second saw teeth 31 are formed on both side edges of the first saw tooth strip 3 to correspond to the first saw teeth 11 on both side edges of the first saw tooth strip 1, so as to improve the efficiency of cutting off and cutting off the wound object. In addition to the first saw tooth bar 3 having the plurality of second saw teeth 31 formed at both side edges, in order to correspond to the first saw tooth bar 1 having the plurality of first saw teeth 11 formed at one side edge, in other alternative embodiments, the plurality of second saw teeth 31 are formed at one side edge of the first saw tooth bar 3.
In this embodiment, the roller brush assembly 100 further includes a fixing shaft 7, the fixing shaft 7 is fixedly connected to the second fixing cover 51, and the end of the fixing shaft 7 passes through the second transmission cover 52, the fixing shaft 7 is not affected by the rotation of the second transmission cover 52, and the cam 6 is fixedly disposed on the fixing shaft 7, so that the fixing shaft 7 and the cam 6 can rotate relatively with respect to the rod 21, the first sawtooth rack 1 and the second sawtooth rack 3.
In this embodiment, the position-limiting structure 60 on the cam 6 may be an annular groove, and the position-limiting structure 15 on the first sawtooth rack 1 may be a protruding shift lever, and the shift lever moves in the annular groove during the rotation of the first sawtooth rack 1. The form of the lever and the ring groove can be advantageous for their respective formation on the first sawtooth rack 1 and the cam 6.
In this embodiment, the shift lever is located at the middle position of the first sawtooth rack 1 in the length direction, so that the first sawtooth rack 1 can move along the ring groove more balance and effectively, and the situation that one end of the first sawtooth rack 1 is blocked under some possible situations is avoided. In an alternative embodiment, the shift lever may also be located near the end of the first sawtooth rack 1 in the length direction; in another alternative embodiment, two or more shift levers may be disposed at intervals in the length direction of the first sawtooth rack 1, for example, shift levers are disposed at a middle position and at two end positions in the length direction of the first sawtooth rack 1, and for example, shift levers are disposed at two end positions in the length direction of the first sawtooth rack 1. In this way, two or more cams 6 are correspondingly and fixedly arranged on the fixed shaft 7, so that the ring grooves on the cams 6 and the shift levers are matched to work in a one-to-one correspondence manner.
Further, referring to fig. 2 to 4, in one embodiment, at least one first half-concave portion 13 protruding away from the second sawtooth rack 3 is formed at a position corresponding to the fixed shaft 7 on the first sawtooth rack 1, at least one second half-concave portion 33 protruding away from the first sawtooth rack 1 is formed at a position corresponding to the fixed shaft 7 on the second sawtooth rack 3, a through hole 1030 is formed opposite to the first half-concave portion 13 and the second half-concave portion 33, and the fixed shaft 7 passes through the through hole 1030 and freely rotates relative to the first sawtooth rack 1 and the second sawtooth rack 3. That is, the first half-concave portion 13 and the second half-concave portion 33 are both used for avoiding the fixed shaft 7, so that the fixed shaft 7 only passes through the one or more through holes 1030 formed by the first sawtooth rack 1 and the second sawtooth rack 3, and the rotation of other parts of the first sawtooth rack 1 and the second sawtooth rack 3 is not interfered by the fixed shaft 7 at all. Meanwhile, the first half-concave part 13 and the second half-concave part 33 are arranged to allow the first sawtooth rack 1 and the second sawtooth rack 3 to be located on the central axis of the rod 21, and the first sawtooth 11 on both sides and the second sawtooth 31 on both sides are respectively located on the opposite sides of the rod 21, so that a better shearing effect can be provided.
With reference to fig. 2 to 4, at least one first hollow portion 12 is formed in the middle of the first sawtooth rack 1, one first hollow portion 12 is used for providing a space for the cam 6 to be disposed, and the first half concave portion 13 is formed on the first sawtooth rack 1 by a non-hollow portion between the cam 6 and the second transmission cover 52; at least one second hollow-out part 32 corresponding to the first hollow-out part 12 is formed in the middle of the second sawtooth rack 3, the second hollow-out part 32 is also used for providing at least a space for arranging the cam 6, and the second half-concave part 33 is formed on the second sawtooth rack 3 by the non-hollow-out part between the cam 6 and the second transmission cover 52. This has the advantages that the first saw teeth 11 on both sides and the first saw teeth 11 on both sides have sufficient support and connection therebetween, and at the same time, the weight of the first saw tooth strip 1 and the second saw tooth strip 3 can be reduced, which is beneficial to the overall light weight of the rolling brush assembly 100, the rotation thereof and the smooth reciprocating translation of the first saw tooth strip 1.
Specifically, in the present embodiment, the number of the first hollow-out portions 12 and the number of the second hollow-out portions 32 are three, and the cam 6 is located in the first hollow-out portion 12 and the second hollow-out portion 32 in the middle. Two through holes 1030 through which the fixed shaft 7 passes are formed between the cam 6 and the second transmission cover 52, respectively. In other embodiments, other numbers of the first hollowed-out portions 12 and the through holes 1030 are allowed, and are not particularly limited herein.
In order to reduce sliding friction between the stationary shaft 7 and the second stationary cover 51, in one embodiment, the second end cap set 5 further includes a second bearing 54 disposed between an outer circumferential surface of the stationary shaft 7 and an inner circumferential surface of the second stationary cover 51.
In order to facilitate cleaning, the brush 22 is generally made of a plastic material that is easily deformable, and the rod 21 should have rigidity to keep itself not easily deformable during rotation, thereby ensuring that the brush 22 completely contacts the ground.
The brush 22 may be embodied as bristles, and referring to fig. 1 and 2, the bristles are arranged on the rod 21 in a spiral or linear manner. In other embodiments, the brush body 22 may also be a brush, such as a gel brush, or the like.
Specifically, in one embodiment, the rod 21 includes an outer sleeve shaft 24 and an inner sleeve shaft 23, and the outer sleeve shaft 24 is fixedly disposed on an outer side surface of the inner sleeve shaft 23. This has the advantage that the outer sleeve shaft 24 and the inner sleeve shaft 23 can be made of different materials in order to meet the respective functional requirements. For example, the inner sleeve shaft 23 may be made of a rigid material, such as a metal material or a plastic material that is not easily deformed; the outer sleeve shaft 24 may be formed of a deformable material, such as nylon, along with the brush body 22 to facilitate manufacture of the brush body 22.
The outer sleeve 24 and the inner sleeve 23 may each include two separate portions mounted in opposing spaced relation to form the slots described above, or the outer sleeve 24 and the inner sleeve 23 may each have non-open slots (not shown) formed therein that correspond to the slots described above.
In this embodiment, referring to fig. 4, the inner sleeve shaft 23 may include two separate portions disposed opposite to each other, and the outer sleeve shaft 24 may be disposed in a manner forming a non-open slot (not shown), which is formed in the outer sleeve shaft 24 corresponding to the gap between the two portions of the inner sleeve shaft 23. In other embodiments, the outer sleeve 24 and the inner sleeve 23 may be reversed to each other, which allows the first saw teeth 11 and the first saw teeth 31 to protrude from the rod 21, and they are substantially the same and will not be described again.
The outer sleeve 24 and the inner sleeve 23 may be fixed together by any available means, such as by gluing them together with an adhesive, or by pressing them together by thermal compression, etc., and are not limited in particular.
In one embodiment, a first engaging portion (not shown) and two first limiting portions (not shown) are formed on a surface of the first transmission cover 42 facing the second transmission cover 52, and the two first limiting portions are oppositely and separately disposed around the first engaging portion; referring to fig. 5, a second engaging portion 521 and two second limiting portions 522 are formed on a surface of the second transmission cover 52 facing the first transmission cover 42, and the two second limiting portions 522 are oppositely and alternately disposed around the second engaging portion 521. The two ends of the inner sleeve shaft 23 are respectively provided with a matching part 231 corresponding to the first clamping part and the second clamping part 521, the matching part 231 corresponding to the first clamping part can be used for limiting the relative rotation of the rod body 21 and the first transmission cover 42, and the matching part 231 corresponding to the second clamping part 521 can be used for limiting the relative rotation of the rod body 21 and the second transmission cover 52, so that the synchronous rotation between the rolling brush rod 2 and the first transmission cover 42 and the second transmission cover 52 is realized. The two ends of the first sawtooth racks 1 and the second sawtooth racks 3 are respectively arranged between the two first limiting parts and between the two second limiting parts 522, so that synchronous rotation between the first sawtooth racks 1 and the second sawtooth racks 3 and the rolling brush rod 2 is further realized.
Alternatively, the first position-limiting portion is disposed in an arc shape, and the second position-limiting portion 522 is disposed in an arc shape, which can be adapted to the shape of the outer peripheral surface of the inner sleeve 23, please refer to fig. 5.
In the present embodiment, the forms of the first engaging portion, the second engaging portion 521 and the engaging portion 231 are not limited, and any form that can relatively fix the inner sleeve shaft 23 and the first transmission cover 42 and the second transmission cover 52 in the circumferential direction can be applied thereto. For example, the first engaging portion 521 and the second engaging portion 521 may include at least one protrusion extending in the radial direction, and the matching portion 231 may correspondingly include at least one groove structure extending in the radial direction, or vice versa, and will not be described again.
Referring to fig. 2, two first avoiding portions 14 formed at two end portions of the first sawtooth rack 1 are respectively used for avoiding the first engaging portion and the second engaging portion 521, and two second avoiding portions 34 formed at two end portions of the second sawtooth rack 3 are respectively used for avoiding the first engaging portion and the second engaging portion 521, so that the two end portions of the second sawtooth rack 3 can be abutted against the first transmission cover 42 and the second transmission cover 52 to be kept stable. Meanwhile, the first and second limiting portions 522 are arranged such that a space for the first sawtooth rack 1 to reciprocate is reserved in the length direction.
In addition, it should be noted that the inner side surface of the inner sleeve shaft 23 should be adapted to the arrangement of the transmission shaft 43, the fixed shaft 7 and the cam 6 thereof, and the arrangement of the other parts is not limited, and will not be described herein again.
Referring to fig. 2 and 4, in one embodiment, the first end cap set 4 further includes a transmission shaft 43, the transmission shaft 43 penetrates the first fixing cap 41 and is fixedly connected to the first transmission cap 42, and the transmission shaft 43 is used for connecting with a driving member (e.g., a motor) to transmit rotation to the first transmission cap 42 without affecting the first fixing cap 41. The rolling brush rod 2, the first sawtooth racks 1 and the second sawtooth racks 3 rotate along the axial direction under the driving of the motor. Optionally, the first end cap set 4 further includes a first bearing 44 disposed between an outer circumferential surface of the transmission shaft 43 and an inner circumferential surface of the first fixing cap 41 to reduce a frictional force between the transmission shaft 43 and the first fixing cap 41. Further, the first end cap group 4 further comprises a connecting member 45 for connecting the output shaft of the motor with the transmission shaft 43, wherein the connecting member 45 may be a coupling.
Referring to fig. 6 in combination with fig. 1 to 5, a sweeper 200 according to an embodiment of the present invention includes a bottom housing 9, a front cover (not shown) installed opposite to the bottom housing 9, and the rolling brush assembly 100 according to the above embodiments. An opening 91 is formed in the bottom case 9, the first fixing cover 41 and the second fixing cover 51 of the roll brush assembly 100 are mounted inside the opening 91, and the brush body 22 is exposed from the opening 91 for cleaning.
In the sweeper 200 provided by the embodiment of the invention, the rolling brush assembly 100 comprises the cam 6 and the first sawtooth rack 1, the axial movement of the first sawtooth rack 1 relative to the rod body 21 is realized by the limit structure 60 on the peripheral surface of the cam 6 and the matching structure 15 on the first sawtooth rack 1, and in the normal working process of the rolling brush rod 2, the first sawtooth rack 1 can continuously make linear reciprocating movement, so that entanglement such as hair can be continuously cut, the cutting efficiency is high, and the sweeper 200 can normally and continuously work.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A round brush assembly, comprising:
the rolling brush rod comprises a rod body and a brush body arranged on the rod body; the bar body is provided with a gap extending along the axial direction of the bar body;
the cam is arranged in the rod body and can rotate relative to the rod body along the axial direction of the rod body; a closed annular limiting structure is formed on the peripheral surface of the cam, and the limiting structure is obliquely arranged relative to the axial direction of the rod body; and
the first sawtooth strip is provided with a plurality of first sawteeth which are sequentially arranged on at least one side edge, and the first sawteeth protrude out of the gap; a matching structure is arranged on the first sawtooth strip, and the matching structure extends into the gap to be matched with the limiting structure;
the rolling brush assembly further comprises a fixed shaft, the fixed shaft is arranged inside the rod body, the cam is arranged on the fixed shaft, the limiting structure is an annular groove, and the matching structure is a shifting lever; in the relative rotation process of the first sawtooth strip and the cam, the shifting lever moves in the annular groove;
the round brush subassembly still includes:
the first end cover group comprises a first fixed cover and a first transmission cover which are oppositely arranged, and the first transmission cover is arranged on one side of the first fixed cover close to the first sawtooth rack and can rotate relative to the first fixed cover in the axial direction of the rod body; and
the second end cover group comprises a second fixed cover and a second transmission cover which are oppositely arranged, the second transmission cover is arranged on one side of the second fixed cover close to the first sawtooth strip and can rotate relative to the second fixed cover in the axial direction of the rod body;
the two ends of the first sawtooth strip and the two ends of the rod body are respectively connected with the first transmission cover and the second transmission cover so as to rotate along with the first transmission cover and the second transmission cover, and the fixed shaft is arranged on the second fixed cover;
a first clamping part and two first limiting parts are formed on the surface of the first transmission cover facing the second transmission cover, and the two first limiting parts are oppositely arranged at the periphery of the first clamping part at intervals; a second clamping part and two second limiting parts are formed on the surface of the second transmission cover facing the first transmission cover, and the two second limiting parts are oppositely and alternately arranged around the second clamping part; the inner sides of the two ends of the rod body form matching parts corresponding to the first clamping part and the second clamping part, and the two ends of the first sawtooth strip are respectively arranged between the two first limiting parts and between the two second limiting parts; wherein, first spacing portion with the spacing portion of second all is the arc setting.
2. The roll brush assembly according to claim 1, wherein both side edges of the first rack of teeth form a plurality of the first teeth; the gaps are formed on two opposite sides of the rod body, and the first sawteeth are respectively protruded from the corresponding gaps.
3. The brush roll assembly of claim 1, wherein the first sawtooth rack protrudes outward at a position corresponding to the fixed shaft to form at least one first recess half for avoiding the fixed shaft.
4. The brush roll assembly of claim 1, wherein the first end cap set further comprises a drive shaft passing through the first stationary cap and fixedly coupled to the first drive cap; the transmission shaft is used for being connected with the driving piece.
5. The brush roll assembly according to any of claims 1-3, further comprising a second serrated bar having a plurality of second serrations formed in a sequential arrangement on at least one side edge thereof, the second serrated bar being disposed against the first serrated bar; the second sawtooth rack remains stationary relative to the body.
6. The round brush assembly according to any of the claims 1 to 3, characterized in that the bar comprises an outer sleeve shaft and an inner sleeve shaft, the brush body being formed on the outer sleeve shaft, the outer sleeve shaft being mounted on an outer side face of the inner sleeve shaft.
7. A sweeper comprising a roller brush assembly according to any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910866101.XA CN110584541B (en) | 2019-09-12 | 2019-09-12 | Round brush subassembly and machine of sweeping floor |
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| CN201910866101.XA CN110584541B (en) | 2019-09-12 | 2019-09-12 | Round brush subassembly and machine of sweeping floor |
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| CN110584541A CN110584541A (en) | 2019-12-20 |
| CN110584541B true CN110584541B (en) | 2021-10-15 |
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| CN201910866101.XA Active CN110584541B (en) | 2019-09-12 | 2019-09-12 | Round brush subassembly and machine of sweeping floor |
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| CN110897551A (en) * | 2019-12-27 | 2020-03-24 | 追创科技(苏州)有限公司 | Scrubbing brush subassembly and cleaning device |
| CN113827136B (en) * | 2020-06-24 | 2023-12-05 | 云米互联科技(广东)有限公司 | Rolling brush assembly and cleaning robot |
| CN113827137B (en) * | 2020-06-24 | 2024-05-24 | 云米互联科技(广东)有限公司 | Rolling brush mechanism and floor sweeping machine |
| CN113827138A (en) * | 2020-06-24 | 2021-12-24 | 云米互联科技(广东)有限公司 | Round brush subassembly and cleaning machines people |
| CN112515551A (en) * | 2020-09-29 | 2021-03-19 | 深圳市银星智能科技股份有限公司 | Antiwind cleaning round brush and cleaning robot |
| CN112998604B (en) * | 2021-02-26 | 2023-03-24 | 北京享捷科技有限公司 | Hair cleaning device |
| CN113729552B (en) * | 2021-08-23 | 2023-02-03 | 追觅创新科技(苏州)有限公司 | Transmission assembly, cutting mechanism, rolling brush device and cleaning equipment |
| WO2023025042A1 (en) * | 2021-08-23 | 2023-03-02 | 追觅创新科技(苏州)有限公司 | Transmission assembly, cutting mechanism, roller brush apparatus, cleaning roller brush, floor brush mechanism, cleaning apparatus, and cleaning device |
| EP4331454A1 (en) * | 2021-09-16 | 2024-03-06 | Jiangsu Midea Cleaning Appliances Co., Ltd. | Cutting apparatus, cleaning device, cleaning base station, and cleaning system and method |
| CN114193537B (en) * | 2021-12-15 | 2023-10-27 | 浙江永尔佳环保科技有限公司 | Antiwind rabbling mechanism of kitchen garbage processor |
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| CN110584541A (en) | 2019-12-20 |
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Address after: 518000 1701, building 2, Yinxing Zhijie, No. 1301-72, sightseeing Road, Xinlan community, Guanlan street, Longhua District, Shenzhen, Guangdong Province Patentee after: Shenzhen Yinxing Intelligent Group Co.,Ltd. Address before: 518000 building A1, Yinxing hi tech Industrial Park, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Silver Star Intelligent Technology Co.,Ltd. |