阅读说明：本技术 地刷及吸尘器 (Floor brush and dust collector ) 是由 朱晓军 闵飞 欧阳酥 郭怡隽 殷雪冰 于 2019-03-12 设计创作，主要内容包括：本发明实施方式公开了一种地刷及吸尘器,该地刷包括：壳体,包括底座和活动盖板,底座和活动盖板之间限定出吸尘腔；活动盖板的前端与底座之间形成吸尘口；端盖,设置于所述壳体的侧面一端；滚刷,设置于所述吸尘腔内,滚刷的一端与所述端盖连接,驱动机构,设置在壳体上且与活动盖板连接,驱动机构能够驱动活动盖板运动从而调节吸尘口的大小；拆装机构,设置在壳体上,且能够将端盖和滚刷沿轴向与壳体分离。该地刷一方面可避免滚刷的多步骤拆装,达到了结构简单、拆装方便的目的,另一方面通过驱动机构调节活动盖板与底座之间吸尘口的大小,使地刷能够吸取不同颗粒度大小的杂物,提高地刷的适用范围,提高用户的使用体验。(The embodiment of the invention discloses a floor brush and a dust collector, wherein the floor brush comprises: the shell comprises a base and a movable cover plate, and a dust suction cavity is defined between the base and the movable cover plate; a dust suction port is formed between the front end of the movable cover plate and the base; the end cover is arranged at one end of the side surface of the shell; the rolling brush is arranged in the dust collection cavity, one end of the rolling brush is connected with the end cover, the driving mechanism is arranged on the shell and connected with the movable cover plate, and the driving mechanism can drive the movable cover plate to move so as to adjust the size of the dust collection opening; and the dismounting mechanism is arranged on the shell and can separate the end cover and the rolling brush from the shell along the axial direction. This scrubbing brush on the one hand can avoid the multistep dismouting of round brush, has reached simple structure, easy dismounting's purpose, and on the other hand passes through actuating mechanism and adjusts the size of dust absorption mouth between removable cover and the base, makes the scrubbing brush can absorb the debris of different granularity sizes, improves the application scope of scrubbing brush, improves user's use and experiences.)

1. A floor brush, comprising:

the shell comprises a base and a movable cover plate, and a dust suction cavity is defined between the base and the movable cover plate; a dust suction port is formed between the front end of the movable cover plate and the base;

the end cover is arranged at one end of the side surface of the shell; the rolling brush is arranged in the dust collection cavity, and one end of the rolling brush is connected with the end cover;

the driving mechanism is arranged on the shell and connected with the movable cover plate, and can drive the movable cover plate to move so as to adjust the size of the dust collection opening;

a disassembly and assembly mechanism provided on the housing and capable of axially separating the end cap and the roll brush from the housing.

2. A floor brush according to claim 1 wherein the removal and attachment mechanism includes an actuator and a latch movably disposed at one end of the housing, the latch being switchable between a released position and a secured position in response to actuation of the actuator; the locking piece fixes the end cover to one end of the shell in a fastening position; the lock member unlocks the end cap at the release position so that the end cap and the roll brush can be axially separated from the housing.

3. The floor brush of claim 2, wherein the locking member comprises a collar and a plurality of stoppers located on the collar, a first cylindrical surface body is convexly formed on one side surface of the end cap close to the roller brush, the surface of the first cylindrical surface body is provided with a plurality of first protrusions matched with the stoppers, the collar is rotatably sleeved around the first cylindrical surface body, and the stoppers are matched with the first protrusions to realize the fastening and releasing.

4. A floor brush as claimed in claim 3, wherein the trigger is provided on the housing or end cap; the actuating member is coupled to the collar and is configured to actuate rotation of the collar to effect the tightening and releasing.

5. A floor brush according to claim 4, wherein the dismounting mechanism further comprises a first resilient member disposed on the base, and a pressing block is disposed on the collar, a lower surface of the pressing block abutting against the first resilient member, and an upper surface of the pressing block abutting against the actuator.

6. A floor brush as claimed in claim 3, wherein the first projection has a first guide ramp and the stop has a second guide ramp cooperating with the first guide ramp.

7. A floor brush as claimed in claim 2 further comprising an ejection mechanism provided within the housing for ejecting the end cap out of the housing in the release position of the latch.

8. A floor brush according to claim 7, wherein the ejection mechanism comprises a second resilient member disposed between the roller brush and the end cap.

9. The floor brush of claim 8, wherein the ejection mechanism further comprises a sliding connection member disposed on a side of the end cap adjacent to the roller brush, and the end cap is slidably connected to the roller brush through the sliding connection member.

10. The floor brush of claim 9, wherein the sliding connection member is a second cylindrical member, the second cylindrical member is protruded from a side of the end cap close to the roller brush, and a portion of the second elastic member is located in the second cylindrical member.

11. A floor brush according to claim 10, wherein the ejection mechanism further comprises a stop provided on the roller brush for limiting the travel of the end cap to slide axially outwardly relative to the roller brush; the end cap is slidable relative to the roller brush between a first position, in which the end cap compresses the second elastomer, and a second position, in which the end cap is stopped by a stopper.

12. A floor brush as claimed in claim 11 wherein the inner wall of the second cylindrical body is provided with a catch for abutting against the stop, the stop cooperating with the catch to limit the axial outward ejection stroke of the end cap relative to the roller brush.

13. A floor brush according to claim 12, wherein the ejection mechanism further comprises a stopper link axially protruding from one side of the roller brush, and the stoppers are spaced apart from each other in a circumferential direction of the stopper link.

14. The floor brush of claim 13, wherein the stopping connection member is a third cylindrical body, the third cylindrical body is axially protruded from one side of the rolling brush, and the stopping portion is a boss; the boss is arranged on the outer wall of the third cylindrical surface body in a protruding mode, part of the second elastic piece is located in the third cylindrical surface body, and the outer diameter of the third cylindrical surface body is smaller than the inner diameter of the second cylindrical surface body.

15. A floor brush as claimed in claim 1, wherein the driving mechanism comprises a driving shaft, the movable cover plate is provided with a shaft hole matched with the driving shaft, and the driving shaft of the driving mechanism can drive the movable cover plate to move.

16. A floor brush as claimed in claim 15, wherein the drive mechanism further comprises an adjustment switch rotatably disposed on the floor brush, the drive shaft being disposed on the adjustment switch, the adjustment switch being configured to rotate the drive shaft by rotating on the floor brush.

17. A floor brush as claimed in claim 15, wherein the drive mechanism further comprises a drive motor, the drive shaft being connected to an output shaft of the drive motor, the drive motor being capable of driving the drive shaft in rotation via the output shaft.

18. The floor brush according to claim 16, further comprising a self-locking mechanism, wherein the self-locking mechanism comprises a support plate which is arranged below the adjusting switch and can slide up and down, an L-shaped groove is formed in the top of the support plate, a plate-shaped member which can be clamped in the L-shaped groove is arranged at the bottom of the adjusting switch, and the plate-shaped member can be clamped in the L-shaped groove so that the adjusting switch is in a first preset position.

19. A floor brush according to claim 18, characterized in that the bottom of the support plate is provided with a planar portion capable of supporting the plate-like member, a slide is provided between the L-shaped groove and the planar portion, and the plate-like member can be slid from the L-shaped groove to the planar portion through the slide and maintained in a second predetermined position.

20. A floor brush according to claim 19, wherein the slideway is a first inclined surface formed between the planar portion and the L-shaped slot, and the side of the plate-like member is provided with a second inclined surface matching the first inclined surface, the plate-like member being movable along the first inclined surface by the second inclined surface to slide the plate-like member between the planar portion and the L-shaped slot.

21. The floor brush of claim 18, wherein the self-locking mechanism further comprises a guide post disposed below the adjustment switch, a spring is sleeved outside the guide post, the support plate is sleeved outside the guide post and disposed on the spring, and the support plate can move up and down along the guide post under the interaction force of the spring and the adjustment switch.

22. The floor brush as claimed in claim 15, wherein the movable cover plate is an arc-shaped structure, the floor brush further comprises an arc-shaped fixed cover plate disposed below the movable cover plate and located in the dust collection chamber, and the movable cover plate can slide along the arc-shaped surface of the arc-shaped fixed cover plate.

23. A floor brush as claimed in claim 22, wherein the removable cover plate is provided with a second protrusion at a position corresponding to the drive shaft, the shaft hole is provided on the second protrusion and the drive shaft is capable of sliding in the shaft hole.

24. The floor brush of claim 22, wherein the removable cover plate and the arcuate securing cover plate are made of a transparent material.

25. A vacuum cleaner comprising a floor brush as claimed in any one of claims 1 to 24.

Technical Field

The embodiment of the invention relates to the technical field of household appliances, in particular to a floor brush and a dust collector.

Background

Disclosure of Invention

The invention aims to provide a floor brush and a dust collector, and provides the floor brush which is convenient to disassemble and assemble and can flexibly adjust a dust collection opening.

To solve the above technical problem, an embodiment of the present invention provides a floor brush, including:

the shell comprises a base and a movable cover plate, and a dust suction cavity is defined between the base and the movable cover plate; a dust suction port is formed between the front end of the movable cover plate and the base;

the end cover is arranged at one end of the side surface of the shell;

the rolling brush is arranged in the dust collection cavity, and one end of the rolling brush is connected with the end cover;

the driving mechanism is arranged on the shell and connected with the movable cover plate, and can drive the movable cover plate to move so as to adjust the size of the dust collection opening;

the disassembly and assembly mechanism is arranged on the shell and can separate the end cover and the rolling brush from the shell along the axial direction.

Embodiments of the present invention also provide a vacuum cleaner, including a floor brush as described above.

Compared with the prior art, the floor brush is provided with the dismounting mechanism and the driving mechanism, so that on one hand, multi-step dismounting of the rolling brush can be avoided, the purposes of simple structure and convenience in dismounting are achieved, and on the other hand, the size of the dust suction opening between the movable cover plate and the base is adjusted through the driving mechanism, so that the floor brush can flexibly adjust the size of the dust suction opening according to the particle size of sundries, the floor brush can suck the sundries with different particle sizes, the application range of the floor brush is expanded, and the use experience of a user is improved.

Preferably, the floor brush further comprises a dismounting mechanism which comprises an actuating member and a locking member, wherein the locking member is movably arranged at one end of the shell, and the locking member is switchable between a releasing position and a fastening position in response to the action of the actuating member;

the locking piece fixes the end cover on one end of the shell at the fastening position;

the locking member unlocks the end cap in the release position so that the end cap and the roller brush can be axially separated from the housing.

Preferably, the locking piece includes rand and a plurality of dog that is located on the rand, and the end cover is close to a side protrusion of round brush and is formed with first cylinder face body, and first cylinder face surface has a plurality of first archs with dog complex, and the rotatable cover of rand is established around first cylinder face body to the dog realizes fastening and release with first protruding cooperation.

Preferably, the actuating member is disposed on the housing or end cap, the actuating member being connected to the collar and adapted to actuate rotation of the collar to effect tightening and releasing.

Preferably, the disassembly and assembly mechanism further comprises a first elastic piece arranged on the base, a pressing block is arranged on the clamping ring, the lower surface of the pressing block abuts against the first elastic piece, and the upper surface of the pressing block abuts against the trigger piece.

Preferably, the first protrusion has a first guide slope, and the stopper has a second guide slope cooperating with the first guide slope. Preferably, the first and second electrodes are formed of a metal,

preferably, the locking mechanism further comprises an ejection mechanism disposed within the housing for ejecting the end cap out of the housing in the release position of the latch.

Preferably, the ejection mechanism comprises a second resilient member disposed between the roller brush and the end cap.

Preferably, the ejection mechanism further comprises a sliding connecting part arranged on one side surface of the end cover close to the rolling brush, and the end cover is connected with the rolling brush in a sliding mode through the sliding connecting part.

Preferably, the sliding connection part is a second cylindrical body, the second cylindrical body is arranged on one side face, close to the rolling brush, of the end cover in a protruding mode, and part of the second elastic part is located in the second cylindrical body.

Preferably, the ejection mechanism further comprises a stop portion arranged on the rolling brush, and the stop portion is used for limiting the stroke of the end cover which slides outwards relative to the rolling brush along the axial direction; the end cap is slidable relative to the roller brush between a first position, in which the end cap compresses the second elastic body, and a second position, in which the end cap is stopped by the stopper.

Preferably, the inner wall of the second cylindrical body is provided with a buckle for abutting against the stopping part, and the stopping part is matched with the buckle to limit the stroke of the end cover which is ejected outwards relative to the rolling brush along the axial direction.

Preferably, the ejection mechanism further comprises a stop connecting part axially protruding from one side of the rolling brush, and the stop parts are arranged at intervals in the circumferential direction of the stop connecting part.

Preferably, the driving mechanism comprises a driving shaft, a shaft hole matched with the driving shaft is arranged on the movable cover plate, and the driving shaft on the driving mechanism can drive the movable cover plate to move.

Preferably, actuating mechanism still includes regulating switch, and regulating switch rotationally sets up on the scrubbing brush, and the drive shaft sets up on regulating switch, and regulating switch can drive the drive shaft through rotating on the scrubbing brush and rotate.

Preferably, the driving mechanism further comprises a driving motor, the driving shaft is connected with an output shaft of the driving motor, and the driving motor can drive the driving shaft to rotate through the output shaft.

Preferably, the floor brush further comprises a self-locking mechanism, the self-locking mechanism comprises a supporting plate which is arranged below the adjusting switch and can slide up and down, an L-shaped groove is formed in the top of the supporting plate, a plate-shaped component which can be clamped in the L-shaped groove is arranged at the bottom of the adjusting switch, and the plate-shaped component can be clamped in the L-shaped groove so that the adjusting switch is located at a first preset position.

Preferably, the bottom of the support plate is provided with a planar portion capable of supporting the plate-shaped member, a slide way is arranged between the L-shaped groove and the planar portion, and the plate-shaped member can slide from the L-shaped groove to the planar portion through the slide way and be maintained at the second preset position.

Preferably, the slide is a first inclined surface formed between the planar portion and the L-shaped groove, and the side of the plate-shaped member is provided with a second inclined surface matching the first inclined surface, and the plate-shaped member can move along the first inclined surface by the second inclined surface so as to slide between the planar portion and the L-shaped groove.

Preferably, the self-locking mechanism further comprises a guide post arranged below the adjusting switch, a spring is sleeved outside the guide post, a support plate is sleeved outside the guide post and arranged on the spring, and the support plate can move up and down along the guide post under the interaction force of the spring and the adjusting switch.

Preferably, the movable cover plate is of an arc-shaped structure, the floor brush further comprises an arc-shaped fixed cover plate which is arranged below the movable cover plate and located in the dust suction cavity, and the movable cover plate can slide along the arc-shaped surface of the arc-shaped fixed cover plate.

Preferably, a second protrusion is disposed on the movable cover plate at a position corresponding to the driving shaft, and the shaft hole is disposed on the second protrusion and the driving shaft can slide in the shaft hole.

Preferably, the movable cover plate and the arc-shaped fixed cover plate are both made of transparent materials.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

FIG. 1 is a top view of a prior art electric floor brush;

FIG. 2 is a front view of the electric floor brush of FIG. 1;

FIG. 3 is a top view of a floor brush in an embodiment of the present invention;

FIG. 4 is a top view of the end cap of FIG. 3 shown popped up;

FIG. 5 is a schematic view showing a disassembled state of the roll brush in FIG. 3;

FIG. 6 is a cross-sectional view of FIG. 3;

FIG. 7 is a cross-sectional view of FIG. 3 in the direction B-B;

FIG. 8 is a schematic view of the actuator of FIG. 5 in a depressed state;

FIG. 9 is a schematic view of the removable cover of FIG. 3 with the removable cover removed;

FIG. 10 is an exploded view of FIG. 9;

FIG. 11 is a schematic structural view of a locking member in an embodiment of the present invention;

FIG. 12 is a cross-sectional view of FIG. 9 with the roller brush removed;

FIG. 13 is a schematic view of the actuator of FIG. 12 in a depressed state; (ii) a

FIG. 14 is a schematic structural view of an end cap according to an embodiment of the present invention;

FIG. 15 is a schematic view of the construction of the brush cover in an embodiment of the present invention;

FIG. 16 is a schematic structural view of a bearing cap in an embodiment of the present invention;

FIG. 17 is a cross-sectional view taken along line A-A of the floor brush of FIG. 3 in a first position;

FIG. 18 is an enlarged view of portion E of the brush of FIG. 17;

FIG. 19 is a schematic view of a connection structure of an adjustment switch and a movable cover plate on the floor brush shown in FIG. 3;

FIG. 20 is a schematic view of the adjustment switch on the floor brush of FIG. 19;

FIG. 21 is a schematic view of the adjustment switch and removable cover of the floor brush of FIG. 19;

FIG. 22 is a sectional view taken along line A-A of the floor brush of FIG. 3 in a second position;

fig. 23 is an enlarged view of a portion F of the floor brush shown in fig. 22.

Wherein the reference numbers are as follows:

an electric floor brush 100'; a notch 101'; a floor brush 100; a dust suction port 101; a suction inlet 102; a housing 11; a base 111; a fixed seat 1111; a removable cover 112; a second projection 1121; a side cover 113 of the floor brush; ring body 1131; a notch 1132; an arcuate securing cover plate 114; an end cap 12; a first cylindrical body 121; a first protrusion 1211; a first guide ramp 1212; a slide connecting member 122; a fastener 1221; a rolling brush 13; a body 131; a roll brush fixing cover 132; a rotating shaft 133; a bearing 134; a brush roll cover 135; a disassembling and assembling mechanism 14; a lock member 141; a collar 1411; a stopper 1412; a pressing block 1413; a second guide slope 1414; an actuation member 142; the first elastic member 143; a second elastic member 15; a stopper portion 16; a stopper link 17; a groove 171; a spline transmission mechanism 18; a drive shaft 181; a guide block 1811; a bearing cap 182; a mounting groove 1821; a guide slot 1822; a drive shaft 19; a pedal 20; a front side plate 201; a plate-like member 202; the second inclined surface 203; a pivot axis 2011; a support plate 21; an L-shaped groove 211; a planar portion 212; the first inclined surface 213; a guide post 22; a spring 23; a connecting head 24; a metal bellows 25; and a roller 26.

Detailed Description

An embodiment of the present invention relates to a floor brush, as shown in fig. 3 to 10, the floor brush 100 includes:

the shell 11 comprises a base 111 and a movable cover plate 112, and a dust suction cavity is defined between the base 111 and the movable cover plate 112; a dust suction port 101 is formed between the front end of the movable cover plate 112 and the base 111;

an end cap 12 detachably disposed at one end of the side surface of the housing 11;

the rolling brush 13 is detachably arranged in the dust collection cavity, and one end of the rolling brush 13 is connected with the end cover 12;

a driving mechanism (described in detail below) disposed on the housing 11 and connected to the movable cover plate 112, wherein the driving mechanism can drive the movable cover plate 112 to move so as to adjust the size of the dust suction opening 101;

a detaching mechanism 14, the detaching mechanism 14 being provided on the housing 11, and the detaching mechanism being capable of separating the end cap 12 and the roll brush 13 from the housing 11 in the axial direction.

It should be noted that a dust suction chamber is formed in the floor brush, a rolling brush 13 is arranged in the dust suction chamber, the rolling brush 13 extends out from the bottom of the base 111 for rolling up impurities such as dust on the ground into the dust suction chamber, meanwhile, negative pressure is generated in the dust suction chamber to suck dust into the dust suction chamber through the dust suction port 101,

in an embodiment of the present invention, the dismounting mechanism 14 of the present invention comprises a locking member 141 and an actuating member 142, the locking member 141 is movably disposed at one end of the housing 11, and the locking member 141 is switchable between a releasing position and a fastening position in response to the actuating member 142; the locking member 141 fixes the end cap 12 to one end of the housing 11 at the fastening position; the lock member 141 unlocks the end cap 12 at the release position so that the end cap 12 and the roll brush 13 can be separated from the housing 11 in the axial direction. In the fastening position, the locking member 141 fixes the end cap 12 and the roller brush 13 to the housing 11; in the release position, the locking member 141 can release the end cap 12 so that the end cap 12 and the roller brush 13 can be separated from the housing 11 in the axial direction, and then an external force is applied to the end cap 12 to be drawn outward, i.e., the roller brush 13 is completely removed.

In another embodiment of the present invention, referring to fig. 9 and 10, the locking member 141 includes a collar 1411 and a plurality of stoppers 1412 on the collar 1411, a first cylindrical body 121 is convexly formed on a side surface of the end cap 12 close to the roller brush 13, a surface of the first cylindrical body 121 has a plurality of first protrusions 1211 matching with the stoppers 1412, and it is noted that the stoppers 1412 in the embodiment of the present invention are matched with the number and positions of the first protrusions 1211. The retainer ring 1411 is rotatably sleeved around the first cylindrical body 121, and the stopper 1412 cooperates with the first protrusion 1211 to achieve fastening and releasing, specifically, when the retainer ring 1411 rotates, the stopper 1412 and the first protrusion 1211 are switched from the offset position to the resisting position, so that the stopper 1412 and the first protrusion 1211 can be tightly engaged.

It should be noted that, in the embodiment of the present invention, the first protrusion 1211 adapted to the locking member 141 is disposed on the end cover 12, but the locking member 141 may be disposed only on the housing 11, and the end cover 12 and the rolling brush 13 are not changed, for example, the locking member 141 may be a separate buckle, and the end cover 12 is fixed in the housing 11 by the separate buckle. In addition, the structure of the end cover 12 that cooperates with the locking member 141 is not limited to the structure mentioned in the embodiment of the present invention, and a bolt hole may be formed in corresponding positions of the end cover 12 and the housing 11, so that the rolling brush assembly and the housing 11 are fixed by a bolt.

As a preferred embodiment of the present invention, with continued reference to fig. 11 to 13, the trigger 142 is disposed on the movable cover plate 112, the trigger 142 is connected to the collar 1411 and is used to trigger the collar 1411 to rotate for fastening and releasing, specifically, the trigger 142 is used for being selectively operated by a user, that is, the user can fasten and release the rolling brush 13 by operating the trigger 142 to trigger the collar 1411 to rotate, specifically, the trigger 142 may be a button, an opening is formed on the movable cover plate 112, and the trigger 142 is mounted at the opening of the movable cover plate 112.

It should be noted that the actuating member 142 of the embodiment of the present invention is not limited to be disposed on the movable cover 112, and the actuating member 142 may also be disposed at other positions of the housing 11, such as the side of the housing 11. In addition, the trigger 142 may also be disposed on the end cap 12, for example, the trigger 142 is disposed on the outer side wall of the end cap 12, the position of the trigger 142 is not limited in this embodiment, as long as the structure on the floor brush capable of mounting the trigger 142 is within the protection scope of the present invention, and this embodiment is not repeated herein.

Further, referring to fig. 12 and 13, the dismounting mechanism 14 further includes a first elastic member 143 disposed on the base 111, a pressing block 1413 is disposed on the collar 1411, a lower surface of the pressing block 1413 abuts against the first elastic member 143, an upper surface of the pressing block 1413 abuts against the trigger 142, that is, when the user presses the trigger 142, the user can press the upper surface of the pressing block 1413 at the same time, meanwhile, the first elastic member 143 is compressed by the pressing block 1413 to store elastic potential energy, on the one hand, the collar 1411 rotates under the action of the pressing block 1413 to fasten and release, that is, the user can fasten and release the roller brush by pressing the trigger 142 to rotate the collar 1411, correspondingly, when the user releases the pressing of the trigger 142, the first elastic member 143 releases the elastic potential energy to move against the block 1413 in the opposite direction, thereby bringing the collar 1411 back to its original position. In the embodiment of the present invention, the first elastic members 143 may be springs, and the number of the first elastic members may be 1, but the first elastic members 143 may also be elastic pads or other elastic members, and the number of the first elastic members may also be 2, 3, 4, and the like, and the embodiment will not be described in detail herein.

It is worth mentioning that, with continued reference to fig. 11, the collar 1411, the stop 1412 and the pressing block 1413 in the embodiment of the present invention are separate components, of course, the collar 1411, stop 1412 and press block 1413 may be integrally formed components, namely, the stopper 1412 and the pressing block 1413 are integrally formed on the collar 1411, specifically, the collar 1411 has a bayonet, the stopper 1412 is uniformly installed on the inner wall surface of the collar 1411, the pressing block 1413 is formed by extending the outer wall of the collar 1411 outwards, referring to fig. 12 to 13, the trigger 142 is stressed to apply an action force on the pressing block 1413 to squeeze the first elastic member 143, the collar 1411 drives the stopper 1412 to rotate relative to the roller brush 13, the end cap 12 is separated from the housing 11, when the pressure of the pressing block 1413 is removed, the first elastic member 143 is released, the pressing block 1413 is pushed to rotate in the opposite direction, and drives the collar 1411 in the reverse direction to the home position to effect a one-click ejection of the end cap 12.

In another embodiment of the present invention, with continued reference to fig. 11 to 14, the first protrusion 1211 has a first guiding inclined surface 1212, the stopper 1412 has a second guiding inclined surface 1414 engaged with the first guiding inclined surface 1212, specifically, the first protrusions 1211 are uniformly distributed on the outer wall surface of the first cylindrical body 121, the plurality of first protrusions 1211 are disposed on the same outer circumferential surface of the first cylindrical body 121, the first guiding inclined surfaces 1212 of the plurality of first protrusions 1211 are parallel to each other, correspondingly, the second guiding inclined surfaces 1414 of the stopper 1412 are parallel to each other, the first guiding inclined surface 1212 provides a guide for the first protrusions 1211, the second guiding inclined surface 1414 provides a guide for the stopper 1412, when the rolling brush 13 is installed, the end cap 12 is located on the outer side of the collar 1411, i.e., the first protrusions 1211 is located on the outer side of the stopper 1412, the first protrusions 1211 partially coincide with the stopper 1412, the end cap 12 is pressed toward the rolling brush 13, the first guiding inclined surface 1212 and the second guiding inclined surface 1414 are engaged with the first guiding inclined surface 1414, the first protrusion 1211 moves to the inner side of the stopper 1412, the stopper 1412 abuts against the first protrusion 1211 to complete quick assembly of the roller brush 13, accordingly, when the roller brush 13 is disassembled, the trigger member 142 is pressed, the pressing block 1413 applies a force for pressing the first elastic member 143, the collar 1411 drives the stopper 1412 to rotate relative to the end cap 12, the stopper 1412 in the abutting state is misaligned with the first protrusion 1211, the first protrusion 1211 is released, that is, the end cap 12 is separated from the collar 1411, and quick disassembly of the roller brush 13 is completed.

In one embodiment of the present invention, referring to fig. 6 and 10, the floor brush further includes an ejection mechanism (described in detail below) provided in the housing 11 for ejecting the end cap 12 out of the housing 11 at the release position of the locking member 141, the ejection mechanism including a second elastic member 15 provided between the roller brush 13 and the end cap 12. It should be noted that the second elastic member 15 may also be disposed at one end of the rolling brush 13 away from the end cover 12, and opposite ends of the second elastic member 15 respectively abut against the end of the rolling brush 13 and the housing 11, when the locking member 141 is located at the fastening position, the end cover 12 is pressed toward the rolling brush 13, the end cover 12 compresses the second elastic member 15, the second elastic member 15 stores elastic potential energy, the stopper 1412 abuts against the first protrusion 1211, so as to achieve the installation of the rolling brush 13, accordingly, the collar 1411 rotates, the stopper 1412 and the first protrusion 1211 are switched from the abutting position to the misalignment position, so as to achieve the release of the rolling brush 13, and meanwhile, when the end cover 12 releases the compression on the second elastic member 15, the second elastic member 15 releases the elastic potential energy, so as to eject the rolling brush 13 and the end cover 12 out of the housing 11, thereby achieving a key ejection of the end cover 12 and the rolling brush 13.

It should be noted that, in the embodiment of the present invention, the second elastic member 15 may be a spring, and the number of the second elastic members 15 may be 1, but of course, the second elastic member 15 may also be an elastic pad or other elastic member, and the number of the second elastic members may also be 2, 3, 4, and the like, and the embodiment will not be described in detail herein.

In another embodiment of the present invention, with continued reference to fig. 10 and 14, the ejecting mechanism further includes a sliding connection member 122 disposed on a side surface of the end cap 12 close to the roller brush 13, and the end cap 12 is slidably connected to the roller brush 13 through the sliding connection member 122. Specifically, the sliding connecting part 122 may be a second cylindrical body, a second cylindrical body is convexly disposed on a side surface of the end cover 12 close to the rolling brush 13, and a part of the second elastic member 15 is located in the second cylindrical body, it should be noted that the second cylindrical body not only can be used as the sliding connecting part between the rolling brush 13 and the end cover 12, but also the second elastic member 15 can be abutted against an inner wall of the second cylindrical body to provide a guide for the sliding of the second elastic member 15, so as to prevent the second elastic member 15 from moving up and down in the sliding process. Further, the structure of the sliding coupling member 122 is not limited to the second cylindrical body provided on the end cap 12, and the sliding coupling member 122 may be other structures that can perform the functions of sliding coupling and guiding. For example, the sliding connection component 122 may be a guide rod protruding from one side surface of the end cover 12 close to the rolling brush 13, and the second elastic component 15 is sleeved on the guide rod, and for example, the sliding connection component 122 may also be a guide groove formed on one side surface of the end cover 12 close to the rolling brush 13, and a part of the second elastic component 15 is located in the guide groove.

In another embodiment of the present invention, the ejecting mechanism further includes a stopper 16 provided on the rolling brush 13, and the stopper 16 is used for limiting the stroke of the end cover 12 sliding axially outward relative to the rolling brush 13; the end cap 12 is slidable relative to the roller brush 13 between a first position, in which the end cap 12 compresses the second elastic member 15, and a second position, in which the end cap 12 is stopped by the stopper 16. Specifically, when the end cover 12 compresses the second elastic member 15, the second elastic member 15 stores elastic potential energy, that is, when the end cover 12 is located at the first position, the end cover 12 is in a locked state, the rolling brush 13 can be fixed by locking the end cover 12, when the end cover 12 releases the compression of the second elastic member 15, the second elastic member 15 releases the elastic potential energy, and further the end cover 12 is ejected until the stopping portion 16 on the rolling brush 13 abuts against the end cover 12, that is, the end cover 12 is located at the second position, and then an external force which is extracted outwards is applied to the end cover 12, that is, the rolling brush 13 and the end cover 12 are detached.

As a preferred embodiment, with continued reference to fig. 10 and 14, the inner wall of the second cylindrical body is provided with a catch 1221 for abutting against the stopper 16, and the stopper 16 cooperates with the catch 1221 to limit the axially outward ejection stroke of the end cap 12 relative to the roller brush 13. Specifically, when the second elastic member 15 is compressed, the buckle 1221 drives the end cover 12 to move in a direction close to the rolling brush 13 until the end cover 12 is located at the first position, when the second elastic member 15 is released, the second elastic member 15 applies an outward force to the end cover 12, the end cover 12 drives the buckle 1221 to slide outward, until the end cover 12 is located at the second position, the buckle 1221 abuts against the stopping portion 16, and the end cover 12 stops sliding, so that the buckle 1221 can only slide in a direction close to the rolling brush 13 relative to the stopping portion 16. With reference to fig. 13, the inner wall of the second cylindrical body is provided with 4 buckles 1221, the 4 buckles 1221 are symmetrical two by two, and correspondingly, the number of the stopping portions 16 may also be 4, and the positions and the shapes of the two are matched.

As a preferred embodiment, referring to fig. 10 and 15, a stopper link 17 is provided to axially protrude from one side of the roll brush 13, and stoppers 16 are provided at intervals in the circumferential direction of the stopper link 17. The stopping connecting part 17 may be a third cylindrical body, the third cylindrical body is axially protruded from one side of the rolling brush 13, and the stopping part 16 may be a boss; the outer wall of the third cylindrical surface body is provided with a convex plate, part of the second elastic element 15 is positioned in the third cylindrical surface body, and the outer diameter of the third cylindrical surface body is smaller than the inner diameter of the second cylindrical surface body. Specifically, when the end cap 12 presses the second elastic member 15, the second cylindrical body presses the second elastic member 15 in a direction close to the third cylindrical body until part or all of the second cylindrical body is sleeved on the third cylindrical body, i.e., locking of the end cap 12 is achieved, and accordingly, when the second elastic member 15 is released, the second cylindrical body moves in a direction away from the third cylindrical body until the buckle 1221 abuts against the stopping portion 16. It should be noted that the outer diameter of the boss on the third cylindrical surface is larger than the inner diameter of the boss fastened on the second cylindrical surface.

It should be noted that, with reference to fig. 15, a groove 171 is formed in the outer wall of the third cylindrical body in the circumferential direction, the groove 171 forms a slide way of the buckle 1221 in the third cylindrical body, a groove wall of the groove 171 is in clearance fit with the buckle 1221, the buckle 1221 can slide in the groove 171, and two opposite side walls of the groove 171 are used for limiting the buckle 1221 from moving in the circumferential direction of the outer wall of the third cylindrical body.

With continued reference to fig. 6 and 10, the housing 11 further includes a ground brush side cover 113 clamped between the end cover 12 and the collar 1411, the ground brush side cover 113 has a ring 1131, an inner wall of the ring 1131 has a plurality of notches 1132, positions and numbers of the notches 1132 are matched with the first protrusions 1211, and the first protrusions 1211 passes through the notches 1132 and is fixed to the stopper 1412.

In another embodiment of the present invention, with reference to fig. 11, a fixing seat 1111 is fixedly installed on the base 111, and the collar 1411 is rotatably installed on the fixing seat 1111, and specifically, the fixing seat 1111 includes a C-shaped body and reinforcing ribs installed on two free ends of the C-shaped body, the reinforcing ribs and the C-shaped body form a closed ring, a sliding slot is opened on an inner wall of the C-shaped body, and two free ends of the collar 1411 are respectively located in the sliding slot and rotate relative to the sliding slot.

In another embodiment of the present invention, with continued reference to fig. 10, the rolling brush 13 includes a body 131, a rolling brush fixing cover 132, a rotating shaft 133, a bearing 134, and a rolling brush cover 135, the rolling brush fixing cover 132 is fixedly installed between the body 131 and the rolling brush cover 135, one axial end of the rolling brush cover 135 is provided with the second elastic member 15, the rotating shaft 133 passes through the rolling brush fixing cover 132 and protrudes out of the rolling brush fixing cover 132, and the rolling brush cover 135 is fixed to a portion of the rotating shaft 133 protruding out of the rolling brush fixing cover 132 through the bearing 134.

With continued reference to fig. 10 and 16, the vacuum cleaner floor brush of the present embodiment further includes a spline transmission mechanism 18 installed in the housing 11, and the spline transmission mechanism 18 drives the body 131 to rotate relative to the rolling brush cover 135 and the end cover 12. The spline transmission mechanism 18 includes a transmission shaft 181, and a bearing cap 182 sleeved on the end of the transmission shaft 181; the transmission shaft 181 is connected with the body 131 through a bearing cap 182, and further drives the body 131 to rotate; the transmission shaft 181 is provided with a plurality of guide blocks 1811 at intervals in the circumferential direction, the bearing cap 182 is provided with a mounting groove 1821 for mounting the transmission shaft 181, a plurality of guide grooves 1822 matched with the guide blocks 1811 are formed in the inner wall of the mounting groove 1821 at intervals, guide slopes matched with each other are formed on the walls of the guide blocks 1811 and the guide grooves 1822, and particularly, the transmission shaft 181 and the bearing cap 182 are mounted more quickly due to the slope design on the walls of the guide blocks 1811 and the guide grooves 1822.

In another embodiment of the present invention, as shown in fig. 17 and 18, in order to make dust particles of different sizes enter the dust collection cavity through the dust collection port 101, the dust collection cavity is formed by the movable cover plate 112 and the base 111, for example, the movable cover plate 112 is fastened above the base 111, and the size of the dust collection port 101 between the movable cover plate 112 and the base 111 is adjusted by the driving mechanism, so that the size of the dust collection port 101 can be flexibly adjusted by the floor brush of the dust collector according to the size of the dust particles, and thus the floor brush can absorb sundries of different particle sizes, the application range of the floor brush is increased, and the user experience is improved. Specifically, when the ground brush is used for absorbing the less dust of granularity, actuating mechanism can suitably transfer the size of little dust absorption mouth 101 to improve the vacuum in the dust chamber in the ground brush, improve the adsorption affinity of ground brush to the dust, when the ground brush is used for absorbing the impurity of great granule, actuating mechanism can suitably transfer the size of big dust absorption mouth 101, thereby make the impurity of great granule can be inhaled the dust intracavity of ground brush smoothly through dust absorption mouth 101. Specifically, the driving mechanism of the present embodiment may be an automatic driving mechanism or a manual driving mechanism, and when the driving mechanism is an automatic driving mechanism, the automatic driving mechanism may include a driving motor for driving the movable cover 112, and when the driving mechanism is a manual driving mechanism, the manual driving mechanism may be a manual driving mechanism or a foot-operated driving mechanism, and preferred embodiments of the driving mechanism in the present embodiment will be described in detail below.

With continued reference to fig. 17 and 18, according to an embodiment of the present invention, the driving mechanism includes a driving shaft 19, and the movable cover plate 112 is provided with a shaft hole matching with the driving shaft 19, and the driving shaft 19 of the driving mechanism can drive the movable cover plate 112 to move.

In this embodiment, when the driving mechanism is an automatic driving mechanism, the automatic driving mechanism includes a driving motor, an output shaft of the driving motor is connected to the driving shaft 19, the driving shaft 19 is connected to the movable cover plate 112, and the driving motor drives the movable cover plate 112 to rotate around the driving shaft 19 through the driving shaft 19, so as to achieve the purpose of adjusting the size of the dust suction port 101 between the movable cover plate 1 and the base 111. When the driving mechanism is a manual driving mechanism, the manual driving mechanism may be a manual driving mechanism, the manual driving mechanism includes a pull rod connected to the movable cover plate 112, and a user may adjust the size of the dust suction opening 101 between the movable cover plate 112 and the base 111 through the pull rod, further, the manual driving mechanism may also be a foot-operated driving mechanism, the foot-operated driving mechanism includes an adjusting switch connected to the movable cover plate 112, the adjusting switch may be a button, a knob, a pedal 20, or a slide button, and the like, which will be described below with the pedal 20 as a preferred embodiment, and the user may adjust the size of the dust suction opening 101 between the movable cover plate 112 and the base 111 by stepping on the pedal 20, which will be described in detail below as an example of the foot-operated driving mechanism.

As shown in fig. 19 to 21, in one embodiment of the present invention, the driving mechanism further includes a pedal 20, the pedal 20 is rotatably disposed on the floor brush, the driving shaft 19 is disposed on the pedal 20, and the pedal 20 can drive the driving shaft 19 to rotate by rotating on the floor brush.

In this embodiment, the pedal 20 is configured as a cover structure, a tread surface is formed at the top of the pedal 20, a side plate extending downward is arranged on the periphery of the top of the pedal 20, the driving shaft 19 is arranged at the front side plate 201 of the pedal 20, the pedal 20 is arranged on the upper cover of the floor brush through a pivot axis 2011 on the side plate, the pedal 20 can rotate around the pivot axis 2011, specifically, when the pedal 20 is in a horizontal state, the driving shaft 19 at the front end of the pedal 20 rotates downward, the driving shaft 19 drives the movable cover plate 112 to rotate clockwise and upward, at this time, the size of the dust suction opening between the movable cover plate 112 and the base 111 is large, the dust suction opening can be suitable for sucking large-sized sundries such as a donut ring and the like, when the pedal 20 is turned clockwise and in an inclined state, the driving shaft 19 at the front end of the pedal 20 rotates upward, at this time, the size of the dust suction opening 101 between the movable cover 112 and the base 111 is small, and the dust suction opening 101 can be adapted to suck small particles of foreign matters such as dust.

With continued reference to fig. 19, according to an embodiment of the present invention, the floor brush further includes a self-locking mechanism (described in detail below), the self-locking mechanism includes a support plate 21 disposed below the pedal 20 and capable of sliding up and down, an L-shaped groove 211 is disposed on a top portion of the support plate 21, a plate-shaped member 202 capable of being engaged in the L-shaped groove 211 is disposed on a bottom portion of the pedal 20, and the plate-shaped member 202 is capable of being engaged in the L-shaped groove 211 so as to enable the pedal 20 to be in a first preset position in an inclined state.

In the present embodiment, when the floor brush is used for sucking small particles of impurities such as dust, the size of the dust suction opening 101 of the floor brush needs to be adjusted to a smaller size through the pedal 20, at this time, a user can rotate the pedal 20 clockwise by stepping on the pedal 20, the plate-shaped member 202 at the bottom of the pedal 20 rotates clockwise and upward along with the pedal 20, when the plate-shaped member 202 rotates upward into the L-shaped groove 211 at the top of the support plate 21, the bottom of the L-shaped groove 211 has an upward supporting force on the plate-shaped member 202, and at the same time, the side wall of the L-shaped groove 211 can prevent the plate-shaped member 202 from rotating clockwise, at this time, the L-shaped groove 211 fixes the plate-shaped member 202 and the pedal 20 to the first preset position, thereby reducing the phenomenon of the pedal 20 rotating.

With continuing reference to fig. 19 and with reference to fig. 20 and 21, in an embodiment of the present invention, a bottom of the supporting plate 21 is provided with a planar portion 212 capable of supporting the plate-shaped member 202, a slide way (not shown) is disposed between the L-shaped groove 211 and the planar portion 212, and the plate-shaped member 202 can slide from the L-shaped groove 211 to the planar portion 212 through the slide way and be maintained at a second preset position in a horizontal state.

In the present embodiment, when the floor brush is used for sucking large-sized sundries such as doughnuts, the size of the dust suction opening of the floor brush needs to be adjusted to the suction opening 102 with a larger size through the pedal 20, at this time, a user can rotate the pedal 20 counterclockwise by stepping on the pedal 20, the plate-shaped member 202 at the bottom of the pedal 20 rotates counterclockwise and downward along with the pedal 20, when the plate-shaped member 202 rotates downward to the plane portion 212 at the bottom of the support plate 21, the plane portion 212 has upward supporting force on the plate-shaped member 202, the rotation moment on the pedal 20 disappears, at this time, the support plate 21 fixes the plate-shaped member 202 and the pedal 20 to the second preset position, the phenomenon that the pedal 20 turns or continues to rotate is reduced, and the working stability of the.

With continued reference to fig. 19, according to an embodiment of the present invention, the slide is a first inclined surface 213 formed between the planar portion 212 and the L-shaped groove 211, the side of the plate-shaped member 202 is provided with a second inclined surface 203 matching the first inclined surface 213, and the plate-shaped member 202 can slide between the planar portion 212 and the L-shaped groove 211 by the second inclined surface 203 moving along the first inclined surface 213.

In the present embodiment, in order to enable the plate-shaped member 202 to smoothly slide between the flat portion 212 and the L-shaped groove 211, the first inclined surface 213 is provided between the flat portion 212 and the L-shaped groove 211, and the second inclined surface 203 matching with the first inclined surface 213 is provided on the side of the plate-shaped member 202, so that when the plate-shaped member 202 slides between the flat portion 212 and the L-shaped groove 211, the second inclined surface 203 on the side of the plate-shaped member 202 acts on the first inclined surface 213 of the support plate 21, and at the same time, the support plate 21 slides upward or downward, thereby achieving the object that the pedal 20 can slide clockwise or counterclockwise with respect to the support plate 21.

With reference to fig. 19, in an embodiment of the present invention, the self-locking mechanism further includes a guide post 22 disposed below the pedal 20, a spring 23 is sleeved outside the guide post 22, the support plate 21 is sleeved outside the guide post 22 and disposed on the spring 23, and the support plate 21 can move up and down along the guide post 22 under the interaction force of the spring 23 and the pedal 20.

The guide post 22 of the present embodiment has a guiding function on the support plate 21, so as to reduce the phenomenon that the support plate 21 is separated from the movement track, and further, the spring 23 of the present embodiment has an upward supporting force on the support plate 21, so that when the plate-shaped member 202 is in contact with the L-shaped groove 211 or the plane portion 212 on the support plate 21, the spring 23 can support the plate-shaped member 202 and the pedal 20 upward, so that the plate-shaped member 202 and the pedal 20 are in a stable state under the supporting force of the spring 23.

With continued reference to fig. 17, in accordance with one embodiment of the present invention, the movable cover plate 112 is an arc-shaped structure, and the floor brush further includes an arc-shaped fixed cover plate 114 disposed below the movable cover plate 112 and located in the dust collection chamber, wherein the movable cover plate 112 can slide along the arc-shaped surface of the arc-shaped fixed cover plate 114.

The arc-shaped fixed cover plate 114 of the present embodiment supports and guides the movable cover plate 112, so as to reduce the upturning phenomenon of the movable cover plate 112 during the sliding process, and further, a sliding slot and sliding rail structure (not shown in the figure) is further disposed between the movable cover plate 112 and the arc-shaped fixed cover plate 114 of the present embodiment, so that the movable cover plate 112 can slide on the arc-shaped surface of the arc-shaped fixed cover plate 114 along the sliding slot and sliding rail structure.

With reference to fig. 19, in an embodiment of the present invention, a second protrusion 1121 is disposed on the movable cover plate 112 at a position corresponding to the driving shaft 19, and a shaft hole is disposed on the second protrusion 1121 and the driving shaft 19 can slide in the shaft hole.

The present embodiment provides the shaft hole to be clearance-fitted with the driving shaft 19, so that the driving shaft 19 has a movable space in the shaft hole, and the movable cover plate 112 can rotate along the driving shaft 19 while sliding along the arc surface of the arc fixed cover plate 114. Specifically, the shaft hole may be an elongated shaft hole, and the driving shaft 19 is a driving shaft of a columnar structure.

With continued reference to fig. 17 and 22, in one embodiment of the present invention, the removable cover 112 and the arcuate securing cover 114 are made of a transparent material.

The movable cover plate 112 and the arc-shaped fixed cover plate 114 of the embodiment are both made of transparent materials, so that a user can observe the internal condition of the floor brush through the movable cover plate 112 and the arc-shaped fixed cover plate 114, for example, observe whether the floor brush effectively absorbs impurities such as dust or doughnuts into the dust absorption cavity, and adjust the size of the dust absorption opening 101 of the floor brush in real time according to the working condition of the floor brush.

Another embodiment of the present invention relates to a vacuum cleaner comprising a floor brush as described in the above embodiments. With continuing reference to fig. 17 and 18, in the present embodiment, the floor brush of the vacuum cleaner of the present invention includes the connector 24, the metal extension tube 25, the roller 26, the rolling brush 13, the base 111 and the movable cover plate 112 form a dust-collecting cavity, the rolling brush 13 is installed in the dust-collecting cavity, the rolling brush 13 extends out from the bottom of the base 111 for rolling up impurities such as dust on the ground into the dust-collecting cavity, and meanwhile, negative pressure is generated in the dust-collecting cavity to enable dust to be sucked into the dust-collecting cavity through the dust-collecting opening 101, so the vacuum cleaner of the present embodiment has all technical effects of the floor brush. It should be noted that the vacuum cleaner of the present embodiment is an upright vacuum cleaner, and the application of the floor brush to the upright vacuum cleaner of the present invention is only an example, and is not a limitation to the application scope of the floor brush of the present invention.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.