阅读说明：本技术 吸尘器用地刷及吸尘器 (Floor brush for dust collector and dust collector ) 是由 闵飞 朱晓军 欧阳酥 殷雪冰 郭怡隽 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吸尘器用地刷及吸尘器,该吸尘器用地刷包括：壳体,包括底板和上盖,底板和上盖之间限定出滚刷腔；端盖,可拆卸的设置于壳体的侧面一端；滚刷,可拆卸的设置于滚刷腔内,滚刷的一端与端盖连接；拆装机构,包括促发件和锁止件,锁止件可活动的设置于壳体的一端,锁止件响应于促发件的动作在释放位置和紧固位置之间可切换；锁止件在紧固位置将端盖固定于壳体的一端；锁止件在释放位置解锁端盖使端盖和滚刷能够沿轴向与壳体分离。本发明实施方式中的吸尘器用地刷可以避免滚刷的多步骤拆装,达到了结构简单、拆装方便的目的。(The embodiment of the invention discloses a floor brush for a dust collector and the dust collector, the floor brush for the dust collector comprises: the shell comprises a bottom plate and an upper cover, and a rolling brush cavity is defined between the bottom plate and the upper cover; the end cover is detachably arranged at one end of the side surface of the shell; the rolling brush is detachably arranged in the rolling brush cavity, and one end of the rolling brush is connected with the end cover; the disassembly and assembly mechanism comprises an actuating piece and a locking piece, the locking piece is movably arranged at one end of the shell, and the locking piece responds to the action of the actuating piece and can be switched between a release position and a fastening position; 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. The floor brush for the dust collector in the embodiment of the invention can avoid multi-step disassembly and assembly of the rolling brush, and achieves the purposes of simple structure and convenient disassembly and assembly.)

1. A floor brush for a vacuum cleaner, comprising:

the shell comprises a bottom plate and an upper cover, and a rolling brush cavity is defined between the bottom plate and the upper cover;

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

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

the disassembly and assembly mechanism comprises an actuating piece and a locking piece, the locking piece is movably arranged at one end of the shell, and the locking piece responds to the action of the actuating piece and can be switched between a release position and a fastening position;

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.

2. The floor brush for the dust collector as claimed in claim 1, 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, a plurality of protrusions matched with the stoppers are arranged on the surface of the first cylindrical surface body, the collar is rotatably sleeved around the first cylindrical surface body, and the stoppers are matched with the protrusions to realize the fastening and releasing.

3. A vacuum cleaner floor brush according to claim 2, 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.

4. The vacuum cleaner floor brush according to claim 3, wherein the mounting/dismounting mechanism further comprises a first elastic member disposed on the base plate, the collar is provided with a pressing block, a lower surface of the pressing block abuts against the first elastic member, and an upper surface of the pressing block abuts against the trigger.

5. A vacuum cleaner floor brush according to claim 2, wherein the projection has a first guide slope, and the stopper has a second guide slope cooperating with the first guide slope.

6. A vacuum cleaner floor brush as recited in claim 1, further comprising an ejection mechanism disposed within said housing for ejecting said end cap out of said housing in a release position of said latch member.

7. A vacuum cleaner floor brush according to claim 6, wherein the ejection mechanism comprises a second resilient member provided between the roller brush and the end cap.

8. The vacuum cleaner floor brush of claim 7, 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.

9. The vacuum cleaner floor brush of claim 8, wherein the sliding member is a second cylindrical member, the second cylindrical member is disposed on a side of the end cap adjacent to the roller brush in a protruding manner, and a portion of the second elastic member is disposed in the second cylindrical member.

10. The vacuum cleaner floor brush of claim 9, wherein the ejection mechanism further comprises a stop provided on the roller brush for limiting the travel of the end cap to slide axially outward 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.

11. A brush as claimed in claim 10, wherein the inner wall of the second cylindrical member 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 brush.

12. The vacuum cleaner floor brush according to claim 11, wherein the eject mechanism further comprises a stopper link axially protruding from one side of the roll brush, and the stoppers are spaced apart from each other in a circumferential direction of the stopper link.

13. The vacuum cleaner floor brush according to claim 12, wherein the stopper connecting member is a third cylindrical body, the third cylindrical body is axially protruded from one side of the rolling brush, and the stopper 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.

14. A vacuum cleaner comprising a vacuum cleaner floor brush as claimed in any one of claims 1 to 13.

Technical Field

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

Background

Disclosure of Invention

The invention aims to provide a floor brush for a dust collector and the dust collector, and provides the floor brush which is simple in structure and convenient to disassemble and assemble.

In order to solve the above technical problems, an embodiment of the present invention provides a floor brush for a vacuum cleaner, including:

the shell comprises a bottom plate and an upper cover, and a rolling brush cavity is defined between the bottom plate and the upper cover;

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

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

the disassembly and assembly mechanism comprises an actuating piece and a locking piece, the locking piece is movably arranged at one end of the shell, and the locking piece responds to the action of the actuating piece and can be switched between a release position and a fastening position;

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.

The embodiment of the invention also provides a dust collector which comprises the floor brush for the dust collector.

Compared with the prior art, the embodiment of the invention has the advantages that the dismounting mechanism is arranged in the floor brush, so that the multi-step dismounting of the rolling brush can be avoided, and the purposes of simple structure and convenient dismounting are achieved.

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 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 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 bottom plate, 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 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.

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 plan view of a floor brush for a vacuum cleaner in an embodiment of the present invention;

FIG. 2 is a top view of the end cap of FIG. 1 shown popped up;

FIG. 3 is a schematic view showing a disassembled state of the roll brush in FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 1;

FIG. 5 is a cross-sectional view taken along A-B of FIG. 1;

FIG. 6 is a schematic view of the actuator of FIG. 5 in a depressed state;

FIG. 7 is a bottom view of the upper cover in an embodiment of the present invention;

FIG. 8 is a schematic view of the upper cover of FIG. 1 with the upper cover removed;

FIG. 9 is an exploded view of FIG. 8;

FIG. 10 is a schematic structural view of a locking member in an embodiment of the present invention;

FIG. 11 is a cross-sectional view of FIG. 8 with the roller brush removed;

FIG. 12 is a schematic view of the actuator of FIG. 11 in a depressed state; (ii) a

FIG. 13 is a schematic structural view of an end cap according to an embodiment of the present invention;

FIG. 14 is a schematic view of the construction of a roll brush cover in an embodiment of the invention;

fig. 15 is a schematic structural view of a bearing cap in an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

An embodiment of the present invention relates to a floor brush for a vacuum cleaner, as shown in fig. 1 to 9, the floor brush including:

the device comprises a shell 1, a brush body and a brush handle, wherein the shell 1 comprises a bottom plate 1-1 and an upper cover 1-2, and a rolling brush cavity is defined between the bottom plate 1-1 and the upper cover 1-2;

the end cover 2 is detachably arranged at one end of the side surface of the shell 1;

the rolling brush 3 is detachably arranged in the rolling brush cavity, and one end of the rolling brush 3 is connected with the end cover 2;

the dismounting mechanism 4 comprises a locking piece 4-1 and an actuating piece 4-2, the locking piece 4-1 is movably arranged at one end of the shell 1, and the locking piece 4-1 can be switched between a releasing position and a fastening position in response to the action of the actuating piece 4-2; the locking piece 4-1 fixes the end cover 2 at one end of the shell 1 at a fastening position; the locking member 4-1 unlocks the end cap 2 in the release position so that the end cap 2 and the roller brush 3 can be axially separated from the housing 1. In the fastening position, the locking piece 4-1 fixes the end cover 2 and the rolling brush 3 on the shell 1; in the release position, the locking piece 4-1 can release the end cover 2 so that the end cover 2 and the rolling brush 3 can be separated from the shell 1 along the axial direction, and then external force which is extracted outwards is applied to the end cover 2, namely the rolling brush 3 is detached.

In another embodiment of the invention, referring to fig. 9 and 10, the locking member 4-1 comprises a collar 4-1-1 and a plurality of stoppers 4-1-2 positioned on the collar 4-1-1, a first cylindrical body 2-1 is convexly formed on one side surface of the end cover 2 close to the roller brush 1, and a plurality of protrusions 2-1-1 matched with the stoppers 4-1-2 are arranged on the surface of the first cylindrical body 2-1, and it is noted that the stoppers 4-1-2 in the embodiment of the invention are matched with the protrusions 2-1-1 in number and position. The retainer ring 4-1-1 is rotatably sleeved around the first cylindrical body 2-1, and the stop block 4-1-2 is matched with the protrusion 2-1-1 to realize fastening and releasing, specifically, the retainer ring 4-1-1 rotates, the stop block 4-1-2 and the protrusion 2-1-1 are switched from a dislocation position to a resisting position, and then the stop block 4-1-2 and the protrusion 2-1-1 can be fastened and matched.

It should be noted that, in the embodiment of the present invention, the end cap 2 is provided with the protrusion 2-1-1 adapted to the locking member 4-1, but it is also possible to provide only the locking member 4-1 on the housing 1 without changing the end cap 2 and the rolling brush 3, for example, the locking member 4-1 may be a separate buckle, and the end cap 2 is fixed in the housing 1 by the separate buckle. In addition, the structure of the end cover 2 that cooperates with the lock member 4-1 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 2 and the housing 1, so that the rolling brush assembly and the housing 1 are fixed by a bolt, of course, the structure of the end cover 2 that cooperates with the lock member 4-1 may also be other structures that can cooperate with the housing 1 to achieve fixation.

As a preferred embodiment of the invention, with continued reference to FIGS. 9-11, an actuating member 4-2 is disposed on the upper cover 1-2, the actuating member 4-2 is connected to the collar 4-1-1 and is used for actuating the collar 4-1-1 to rotate for fastening and releasing, specifically, the actuating member 4-2 is used for being selectively operated by a user, that is, the user can actuate the collar 4-1-1 to rotate for fastening and releasing the rolling brush 3 by operating the actuating member 4-2, specifically, the actuating member 4-2 can be a button, the upper cover 1-2 has an opening, and the actuating member 4-2 is mounted at the opening of the upper cover 1-2.

It should be noted that the trigger 4-2 of the present invention is not limited to be disposed on the upper cover 1-2, and the trigger 4-2 may be disposed at other positions of the housing 1, such as the side of the housing 1. In addition, the trigger 4-2 can also be disposed on the end cap 2, for example, the trigger 4-2 is disposed on the outer side wall of the end cap 2, the disposition position of the trigger 4-2 is not limited in this embodiment, as long as the structure on the floor brush capable of mounting the trigger 4-2 is within the protection scope of the present invention, and this embodiment is not described herein again.

Further, referring to fig. 10 and 11, the disassembling and assembling mechanism 4 further comprises a first elastic member 4-3 disposed on the bottom plate 1-1, a pressing block 4-1-1 is disposed on the collar 4-1-1, a lower surface of the pressing block 4-1-1 abuts against the first elastic member 4-3, an upper surface of the pressing block 4-1-1-1 abuts against the trigger 4-2, i.e. when a user presses the trigger 4-2, the user can simultaneously press an upper surface of the pressing block 4-1-1-1, meanwhile, on one hand, the first elastic member 4-3 is compressed under the pressing of the pressing block 4-1-1-1, and further stores elastic potential energy, on the other hand, the collar 4-1-1 rotates under the action of the pressing block 4-1-1-1, and further fastening and releasing are realized, namely, a user can fasten and release the rolling brush by pressing the trigger piece 4-2 and triggering the rotation of the clamping ring 4-1-1, and correspondingly, when the user releases the pressing on the trigger piece 4-2, the first elastic piece 4-3 releases elastic potential energy and moves in the opposite direction against the pressing block 4-1-1-1, so that the clamping ring 4-1-1 is driven to restore to the original position. It should be noted that, in the embodiment of the present invention, the first elastic members 4 to 3 may be springs, and the number of the first elastic members may be 1, and of course, the first elastic members 4 to 3 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 should be noted that, with continued reference to fig. 10, the collar 4-1-1, the stopper 4-1-2 and the pressing block 4-1-1-1 in the embodiment of the present invention are separate components, and of course, the collar 4-1-1, the stopper 4-1-2 and the pressing block 4-1-1-1 may be integrally formed components, that is, the stopper 4-1-2 and the pressing block 4-1-1-1 are integrally formed on the collar 4-1-1, specifically, the collar 4-1-1 has a bayonet, the stopper 4-1-2 is uniformly installed on the inner wall surface of the collar 4-1-1, the pressing block 4-1-1 is formed by extending outward from the outer wall of the collar 4-1-1, with reference to fig. 11-12, the trigger 4-2 is forced to apply an acting force to the pressing block 4-1-1-1 to squeeze the first elastic member 4-3, the collar 4-1-1 drives the stop block 4-1-2 to rotate relative to the roller brush 3, the end cap 2 is separated from the housing 1, when the pressure of the pressing block 4-1-1-1 disappears, the first elastic member 4-3 is released to push the pressing block 4-1-1-1 to rotate in the opposite direction and drive the collar 4-1-1 to rotate in the opposite direction to the original position, and therefore one-key ejection of the end cap 2 is achieved.

In another embodiment of the present invention, with continued reference to fig. 9-11, the protrusion 2-1-1 has a first guiding slant 2-1-1-1, the block 4-1-2 has a second guiding slant 4-1-2-1 matching with the first guiding slant 2-1-1, specifically, the protrusion 2-1-1 is uniformly distributed on the outer wall surface of the first cylindrical body 2-1, a plurality of protrusions 2-1-1 are arranged on the same outer circumferential surface of the first cylindrical body 2-1, the first guiding slants 2-1-1-1 on the plurality of protrusions 2-1-1 are parallel to each other, correspondingly, the second guiding slants 4-1-2-1 on the block 4-1-2 are parallel to each other, the first guiding inclined plane 2-1-1-1 provides a guide for the projection 2-1-1, the second guiding inclined plane 4-1-2-1 provides a guide for the block 4-1-2, when the rolling brush 3 is installed, the end cover 2 is positioned at the outer side of the clamping ring 4-1-1, namely the projection 2-1-1 is positioned at the outer side of the block 4-1-2, the projection 2-1-1 is partially overlapped with the block 4-1-2, the end cover 2 is pressed towards the direction of the rolling brush 3, under the matching of the first guiding inclined plane 2-1-1 and the second guiding inclined plane 4-1-2, the projection 2-1-1 moves to the inner side of the block 4-1-2, the block 4-1-2 resists the projection 2-1-1, and correspondingly, when the rolling brush 3 is disassembled, the trigger piece 4-2 is pressed, the pressing block 4-1-1-1 applies an acting force for extruding the first elastic piece 4-3, the clamping ring 4-1-1 drives the stop block 4-1-2 to rotate relative to the end cover 2, the stop block 4-1-2 in a resisting state is staggered with the bulge 2-1-1, the bulge 2-1-1 is released, namely the end cover 2 is separated from the clamping ring 4-1-1, and the rolling brush 3 is disassembled quickly.

In an embodiment of the invention, referring to fig. 4 and 9, the floor brush further comprises an ejection mechanism arranged in the housing 1, the ejection mechanism is used for ejecting the end cover 2 out of the housing 1 at the release position of the locking piece 4-1, and the ejection mechanism comprises a second elastic piece 5 arranged between the roller brush 3 and the end cover 2. It should be noted that the second elastic member 5 may also be disposed at one end of the rolling brush 3, which is far away from the end cover 2, and two opposite ends of the second elastic member 5 are respectively abutted to the end of the rolling brush 3 and the housing 1, when the locking member 4-1 is located at the fastening position, the end cover 2 is pressed toward the rolling brush 3, the end cover 2 compresses the second elastic member 5, the second elastic member 5 stores elastic potential energy, the stopper 4-1-2 abuts against the protrusion 2-1-1, so as to achieve the installation of the rolling brush 3, accordingly, the collar 4-1-1 rotates, the stopper 4-1-2 and the protrusion 2-1-1 are switched from the abutting position to the dislocation position, so as to achieve the release of the rolling brush 3, and simultaneously, when the end cover 2 releases the compression of the second elastic member 5, the second elastic member 5 releases the elastic potential energy, so as to eject the rolling brush 3 and the end cover 2 out of the housing 1, one-key ejection of the end cap 2 and the roller brush 3 is realized.

It should be noted that, in the embodiment of the present invention, the second elastic member 5 may be a spring, and the number of the second elastic members is 1, but the second elastic member 5 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. 9 and 13, the ejection mechanism further comprises a sliding connection part 2-2 disposed on a side surface of the end cap 2 close to the roller brush 3, wherein the end cap 2 is slidably connected to the roller brush 3 through the sliding connection part 2-2. Specifically, the sliding connection component 2-2 may be a second cylindrical body, the second cylindrical body is protruded from a side surface of the end cover 2 close to the rolling brush 3, and part of the second elastic component 5 is located in the second cylindrical body, it should be noted that the second cylindrical body not only can be used as the sliding connection component between the rolling brush 3 and the end cover 2, but also the second elastic component 5 can be abutted against the inner wall of the second cylindrical body to provide a guide for the sliding of the second elastic component 5, so as to prevent the second elastic component 5 from moving up and down in the sliding process. In addition, the structure of the sliding connection part 2-2 is not limited to the second cylindrical body provided on the end cover 2, and the sliding connection part 2-2 may be other structures capable of performing the functions of sliding connection and guiding. For example, the sliding connection member 2-2 may be a guide rod protruding from a side surface of the end cover 2 close to the rolling brush 3, the second elastic member 5 is sleeved on the guide rod, for example, the sliding connection member 2-2 may also be a guide groove formed in a side surface of the end cover 2 close to the rolling brush 3, and a part of the second elastic member 5 is located in the guide groove.

In another embodiment of the present invention, the ejection mechanism further includes a stopper 6 provided on the roller brush 3, the stopper 6 being used to limit the stroke of the end cap 2 sliding axially outward relative to the roller brush 3; the end cap 2 is slidable relative to the roller brush 3 between a first position, in which the end cap 2 compresses the second resilient member 5, and a second position, in which the end cap 2 is stopped by the stopper 6. Specifically, when the end cover 2 compresses the second elastic member 5, the second elastic member 5 stores elastic potential energy, that is, when the end cover 2 is located at the first position, the end cover 2 is in a locked state, the rolling brush 3 can be fixed by locking the end cover 2, when the end cover 2 releases the compression on the second elastic member 5, the second elastic member 5 releases the elastic potential energy, and further the end cover 2 is ejected until the stopping portion 6 on the rolling brush 3 abuts against the end cover 2, that is, the end cover 2 is located at the second position, and then an external force which is extracted outwards is applied to the end cover 2, so that the rolling brush 3 and the end cover 2 are detached.

As a preferred embodiment, with continued reference to fig. 9 and 13, the inner wall of the second cylindrical body is provided with a catch 2-2-1 for abutting against the stopper 6, and the stopper 6 cooperates with the catch 2-2-1 to limit the stroke of the end cap 2 axially outwardly with respect to the roller brush 3. Specifically, when the second elastic member 5 is compressed, the buckle 2-2-1 drives the end cover 2 to move in a direction close to the rolling brush 3 until the end cover 2 is located at the first position, when the second elastic member 5 is released, the second elastic member 5 applies an outward force to the end cover 2, the end cover 2 drives the buckle 2-2-1 to slide outward until the end cover 2 is located at the second position, the buckle 2-2-1 abuts against the stopping portion 6, and the end cover 2 stops sliding, so that the buckle 2-2-1 can only slide in a direction close to the rolling brush 3 relative to the stopping portion 6. With reference to fig. 13, the inner wall of the second cylindrical body is provided with 4 fasteners 2-2-1, the 4 fasteners 2-2-1 are symmetrical in pairs, and correspondingly, the number of the stopping portions 6 can be 4, and the positions and the shapes of the stopping portions and the stopping portions are matched.

As a preferred embodiment, referring to fig. 9 and 14, a stopper link 7 is provided to axially protrude from one side of the roll brush 3, and stoppers 6 are provided at intervals in the circumferential direction of the stopper link 7. The stop connecting part 7 can be a third cylindrical body, the third cylindrical body is axially and convexly arranged on one side of the rolling brush 3, and the stop part 6 can be a boss; the outer wall of the third cylindrical surface body is convexly provided with a boss, part of the second elastic piece 5 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 2 presses the second elastic member 5, the second cylindrical body presses the second elastic member 5 in a direction approaching the third cylindrical body until part or all of the second cylindrical body is sleeved on the third cylindrical body, so as to lock the end cap 2, and accordingly, when the second elastic member 5 is released, the second cylindrical body moves in a direction away from the third cylindrical body until the buckle 2-2-1 abuts against the stopping portion 6. 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. 14, a groove 7-1 is formed in the circumferential direction of the outer wall of the third cylindrical surface body, the groove 7-1 forms a slide way of the buckle 2-2-1 on the third cylindrical surface body, a groove wall of the groove 7-1 is in clearance fit with the buckle 2-2-1, the buckle 2-2-1 can slide relatively in the groove 7-1, and two opposite side walls of the groove 7-1 are used for limiting the buckle 2-2-1 from moving in the circumferential direction of the outer wall of the third cylindrical surface body.

It should be noted that, referring to fig. 7, the upper cover 1-2 may be a transparent window of the floor brush for the dust collector, in this embodiment, the upper cover 1-2 and the bottom plate 1-1 may be separate, or of course, may also be integrated, specifically, the upper cover 1-2 is located above the rolling brush 3, which may protect the rolling brush on one hand, and on the other hand, a user may see the rolling brush body 3 in the housing 1 through the upper cover 1-2, and when the dust on the body 3-1 is too much, the rolling brush can be taken out and cleaned in time. In the installation process of the rolling brush 1, the upper cover 1-2 can be installed after the rolling brush 1 is installed, or the upper cover 1-2 can be installed on the shell 1 first and then the rolling brush 1 is installed, and a person skilled in the art can flexibly select the rolling brush according to needs.

With continued reference to fig. 4 and 9, the housing 1 further includes a floor brush cover plate 1-3 clamped between the end cap 2 and the collar 4-1-1, the floor brush cover plate 1-3 has a ring body 1-3-1, the inner wall of the ring body has a plurality of notches 1-3-1-1, the positions and numbers of the notches 1-3-1-1 are matched with the protrusions 2-1-1, and the protrusions 2-1-1 pass through the notches 1-3-1-1 to be fixed with the stoppers 4-1-2.

In another embodiment of the present invention, with continued reference to fig. 9, a base 1-1-1 is fixedly mounted on a bottom plate 1-1, and a collar 4-1-1 is rotatably disposed on the base 1-1-1, specifically, the base 1-1-1 includes a C-shaped body and reinforcing ribs are disposed on two free ends of the C-shaped body, the reinforcing ribs and the C-shaped body form a closed ring body, a chute is disposed on an inner wall of the C-shaped body, and two free ends of the collar 4-1-1 are respectively located in the chute and rotate relative to the chute.

In another embodiment of the present invention, with continued reference to fig. 9, the rolling brush 3 includes a body 3-1, a rolling brush fixing cover 3-2, a rotating shaft 3-3, a bearing 3-4, and a rolling brush cover 3-5, the rolling brush fixing cover 3-2 is fixedly installed between the body 3-1 and the rolling brush cover 3-5, one axial end of the rolling brush cover 3-5 is provided with a second elastic member 5, the rotating shaft 3-3 penetrates through the rolling brush fixing cover 3-2 and protrudes out of the rolling brush fixing cover 3-2, and the rolling brush cover 3-5 is fixed to a portion of the rotating shaft 3-3 protruding out of the rolling brush fixing cover 3-2 through the bearing 3-4.

With continued reference to fig. 9 and 15, the dust collector floor brush in this embodiment further includes a spline transmission mechanism 8 installed in the housing 1, and the spline transmission mechanism 8 drives the body 3-1 to rotate relative to the rolling brush cover 3-5 and the end cover 2. The spline transmission mechanism 8 comprises a transmission shaft 8-1 and a bearing cap 8-2 sleeved at the tail end of the transmission shaft 8-1; the transmission shaft 8-1 is connected with the body 3-1 through a bearing cap 8-2 so as to drive the body 3-1 to rotate; a plurality of guide blocks 8-1-1 are arranged at intervals in the circumferential direction of a transmission shaft 8-1, a bearing cap 8-2 is provided with an installation groove 8-2-1 for installing the transmission shaft 8-1, a plurality of guide grooves 8-2-1-1 matched with the guide blocks 8-1-1 are arranged on the inner wall of the installation groove 8-2-1 at intervals, and guide inclined planes matched with each other are arranged on the walls of the guide blocks 8-1-1 and the guide grooves 8-2-1-1, and particularly, the inclined planes on the walls of the guide blocks 8-1-1 and the guide grooves 8-2-1-1 are designed to enable the transmission shaft 8-1 and the bearing cap 8-2 to be installed more quickly.

Another embodiment of the present invention relates to a vacuum cleaner including the floor brush for a vacuum cleaner as described in the above embodiments. Specifically, the cleaner may be selected from a canister type cleaner or an upright type cleaner, etc. In addition, other structures, operations, and the like of the vacuum cleaner should be well known to those skilled in the art, and the description of the embodiment is omitted here.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific embodiments for practicing 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.