WO2017117898A1

WO2017117898A1 - Floor brush for vacuum cleaner and vacuum cleaner having same

Info

Publication number: WO2017117898A1
Application number: PCT/CN2016/082921
Authority: WO
Inventors: 宋炳闲
Original assignee: 江苏美的清洁电器股份有限公司
Priority date: 2016-01-04
Filing date: 2016-05-20
Publication date: 2017-07-13
Also published as: EP3187085A1; CA2970694A1; JP2017121465A; US20170188768A1

Abstract

Disclosed are a floor brush (1) for a vacuum cleaner and a vacuum cleaner having the floor brush (1). The floor brush (1) comprises: a floor brush main body (10), a rolling brush (301), and a rolling brush cover (20). A mounting groove (11) is provided on the floor brush main body (10), and the mounting groove (11) has a vertical through opening; the rolling brush (301) is rotatably mounted inside the mounting groove (11); the rolling brush cover (20) covers the rolling brush (301), and one end of the rolling brush cover (20) is plugged with the floor brush main body (10), and the other end of the rolling brush cover (20) is snap-fitted with the floor brush main body (10).

Description

Floor brush for vacuum cleaner and vacuum cleaner therewith

Technical field

The present invention relates to the field of vacuum cleaners, and more particularly to a floor brush for a vacuum cleaner and a vacuum cleaner therewith.

Background technique

In the related art, when the existing vacuum cleaner needs to clean or replace the roller brush, it is necessary to remove or load the roller brush from the bottom of the ground brush, which requires the ground brush to be turned over before the roller brush can be cleaned or replaced. It causes troublesome operation and is inconvenient to use. Moreover, when the roller cover is opened, the roller brush continues to work, and there is a hidden danger of accidentally injuring the user.

Summary of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. It is an object of the present invention to provide a floor brush for a vacuum cleaner that is more convenient to clean or replace the roller brush.

Another object of the present invention is to provide a vacuum cleaner including the above-described floor brush.

A floor brush for a vacuum cleaner according to a first aspect of the present invention includes: a ground brush body, the ground brush body is provided with a mounting groove, the mounting groove has an opening penetrating up and down; and the roller brush is rotatable Installed in the installation slot; a brush cover, the roller cover cover is disposed on the roller brush, and one end of the roller cover is inserted into the ground brush body, the roller cover The other end of the card is engaged with the ground brush body.

According to the ground brush for a vacuum cleaner of the present invention, the ground brush body is provided with a mounting groove, the mounting groove has an opening penetrating up and down, the roller brush is rotatably mounted in the mounting groove, and the roller brush can open the carpet through the lower end of the mounting groove Wait for cleaning to achieve the normal cleaning function of the roller brush; when cleaning or replacing the roller brush, it is only necessary to first detach the other end of the roller brush cover from the ground brush body, and then the above end of the roller brush cover is grounded. The brush body is pulled out, and the roller brush is taken out from the upper end opening of the installation slot, so that the roller brush can be conveniently cleaned or replaced, the operation is simple, the use is convenient, the time and labor are saved, and the traditional technology needs to be flipped first. The problem that the roller brush can be replaced and the operation is troublesome and inconvenient to use can improve the user's feeling of use.

According to an example of the present invention, at least one protrusion is provided on one of the bottom wall surface of the one end of the roller brush cover and the ground brush body, and the bottom wall surface of the one end of the roller brush cover And the other of the brush body is provided with at least one groove adapted to the protrusion, and the protrusion can insert or pull out the groove.

According to an example of the present invention, the protrusion and the groove are respectively a plurality, and the plurality of grooves are in one-to-one correspondence with the plurality of protrusions.

According to an example of the present invention, the outer side wall of the other end of the roller brush cover is provided with a card slot, and the ground brush body is provided with a buckle matched with the card slot, the buckle One end of the mounting groove protrudes from the side wall of the mounting groove and is engaged in the card slot.

According to an example of the present invention, a mounting hole is formed in an upper end surface of the ground brush body, and the mounting hole is A release button is mounted on the side wall of the mounting hole, and a connecting hole penetrating through the side wall of the mounting slot is provided, and the other end of the buckle is connected to the lower end of the release button, and the release button is pushed The buckle is moved in the communication hole in a direction of approaching or away from a side wall of the mounting groove.

According to an example of the present invention, an elastic member is supported between a side wall of the mounting hole opposite to the communication hole and the release key, and the elastic member often pushes the release key toward the mounting groove The direction of the side wall is moved such that the one end of the buckle protrudes from the side wall of the mounting groove.

According to an example of the present invention, the outer side wall of the other end of the roller brush cover is provided with a buckle, and the ground brush body is provided with a card slot matched with the buckle, the buckle Suitable for snapping into the card slot.

According to an example of the present invention, the brush cover is provided with a triggering portion, and the ground brush body is provided with a micro switch, and the trigger is triggered when the roller cover is closed on the ground brush body. The portion touches the micro switch to turn on a control circuit connected to the roller brush, and the trigger portion releases a touch action on the micro switch to open the control circuit when the roller cover is opened.

According to an example of the present invention, when the roller cover is closed on the ground brush body, the trigger portion directly contacts and touches the micro switch.

According to an example of the present invention, the micro switch includes: a fixing member fixed to the ground brush body, and the fixing member is connected to the control circuit; an elastic member, the elastic member Provided on the fixing member; and a button, the button is disposed on the fixing member, and the button is located between the elastic member and the fixing member, wherein the trigger portion can pass the elastic member The button is pressed to turn on the control circuit, and the button is reset to open the control circuit when the trigger portion leaves the elastic member.

According to an example of the present invention, the floor brush for a vacuum cleaner further includes: a transmission member, the transmission member is disposed on the ground brush body, and the transmission member is engaged with the micro switch, When the roller cover is closed on the ground brush body, the triggering portion triggers the transmission member and contacts the micro switch through the transmission member.

A vacuum cleaner according to a second aspect of the present invention comprises the floor brush for a vacuum cleaner according to the above first aspect of the invention.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic perspective structural view of a floor brush for a vacuum cleaner according to an embodiment of the present invention;

Figure 2 is a schematic enlarged view of the portion A' of Figure 1;

3 is a schematic view of a floor brush for a vacuum cleaner according to an embodiment of the present invention, wherein the roller cover is in an open state;

Figure 4 is an enlarged schematic view of the portion A circled in Figure 3;

Figure 5 is a schematic view of the floor brush for the cleaner shown in Figure 3, wherein the roller cover is in a closed state;

Fig. 6 is an enlarged schematic view showing a portion B circled in Fig. 5.

Reference mark:

1 ground brush, 10 ground brush body, 11 mounting groove, 12 groove, 13 snap, 14 mounting hole, 15 release button, 16 connecting hole, 31 bump, 20 roller brush cover, 201 cover, 202 rotating shaft, 203 trigger part, 30 roller brush assembly, 301 roller brush, 40 micro switch, 401 fixing member, 402 elastic member, 4021 fixing portion, 4022 elastic portion, 403 button.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", The orientation or positional relationship of the "top", "bottom", "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or component referred to must have a particular orientation, is constructed and operated in a particular orientation, and thus is not to be construed as limiting the invention.

It should be noted that the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. Further, in the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specified.

A floor brush 10 for a vacuum cleaner (not shown) according to an embodiment of the first aspect of the present invention will now be described with reference to Figs.

As shown in FIGS. 1 and 2, a ground brush 1 according to an embodiment of the first aspect of the present invention includes a ground brush body 10, a roller brush 301, and a roller cover 20.

The ground brush body 10 is provided with a mounting groove 11 having an opening that penetrates vertically. The roller brush 301 is rotatably mounted in the mounting groove 11. The roller cover 20 is covered on the roller brush 301, and one end of the roller cover 20 is inserted into the ground brush body 10, and the other end of the roller cover 20 is engaged with the ground brush body 10.

According to the ground brush 1 for a vacuum cleaner according to the embodiment of the present invention, the ground brush body 10 is provided with a mounting groove 11 having an opening penetrating vertically, and the roller brush 301 is rotatably mounted in the mounting groove 11, and the roller brush 301 The carpet or the like can be cleaned by the lower end opening of the mounting groove 11, so that the normal cleaning function of the roller brush 301 can be realized; when the roller brush 301 needs to be cleaned or replaced, only the other end of the roller cover 20 and the ground brush body 10 need to be first. The roller brush 301 is removed from the ground brush body 10, and the roller brush 301 is taken out from the upper end opening of the mounting groove 11, so that the roller brush 301 can be conveniently cleaned or replaced, and the operation is simple. The utility model has the advantages of convenient use, time and labor saving, and solves the problem that the traditional technology needs to first flip the brush 1 to replace the roller brush 301, thereby causing troubles in operation and inconvenient use, thereby improving the user experience.

According to some embodiments of the present invention, at least one of the bottom wall surface of the one end of the roller cover and the ground brush body is provided with at least one protrusion, the bottom wall surface of the one end of the roller cover and the other of the ground brush body The upper opening is provided with at least one groove adapted to the protrusion, and the protrusion can insert or pull out the groove.

Specifically, as shown in FIG. 1 , the bottom wall of the one end of the roller cover 20 is provided with a protrusion 31 , and the ground brush body 10 is provided with a groove 12 corresponding to the protrusion 31 , and the protrusion 31 can be Insert or pull out the groove 12.

In the above embodiment, when the roller cover 20 needs to be covered, the protrusion 31 on one end of the roller cover 20 is first inserted into the card slot to realize the circumferential limit of the roller cover 20, and then the roller cover 20 is further One end is snapped onto the ground brush body 10 to realize the installation of the roller cover 20 on the ground brush body 10; when the roller brush 301 needs to be taken out, the other end of the roller cover 20 is removed from the ground brush body 10, Then, the protrusion 31 at one end of the roller cover 20 is pulled out from the groove 12, the roller cover 20 is removed, and the ground brush 1 is taken out, which is simple and convenient.

Preferably, the protrusion and the groove are respectively a plurality, and the plurality of grooves are in one-to-one correspondence with the plurality of protrusions. As shown in FIG. 1 , a plurality of protrusions 31 are disposed on one end of the brush cover 20 , and a plurality of grooves 12 corresponding to the plurality of protrusions 31 are respectively disposed on the ground brush body 10 .

In the above embodiment, the plurality of protrusions 31 and the plurality of grooves 12 are provided to improve the firmness of the roller cover 20 to the body of the roller brush 301, so that the other end of the roller cover 20 can be conveniently snapped to the ground. The brush body 10 can improve the balance of the force of the roller cover 20, and further facilitate the operation of the hooking between the roller cover 20 and the ground brush body 10.

Of course, the present invention is not limited thereto, and the bottom wall surface of the one end of the brush cover 20 may further be provided with a groove 12, and the ground brush body 10 is provided with a protrusion 31 corresponding to the groove 12, and the protrusion 31 may be Insert or pull out the groove 12.

In the above embodiment, the groove 12 is disposed on one end of the roller cover 20, and the protrusion 31 is disposed on the ground brush body 10. The roller cover 20 can also be conveniently taken out and mounted on the ground brush body 10, thereby making the ground The removal and installation of the brush 1 is simple and easy.

In one embodiment of the present invention, as shown in FIG. 1 and FIG. 2, the outer side wall of the other end of the brush cover 20 is provided with a card slot, and the ground brush body 10 is provided with a buckle 13 matched with the card slot. One end of the buckle 13 can protrude from the side wall of the mounting groove 11 and is engaged in the card slot.

Preferably, as shown in FIG. 1 and FIG. 2, the upper end surface of the ground brush body 10 is provided with a mounting hole 14 in which a release button 15 is mounted; the side wall of the mounting hole 14 is provided with a through-mounting slot 11 The communication hole 16 of the side wall, the other end of the buckle 13 is connected to the lower end of the release key 15, and the push release key 15 can drive the buckle 13 to move in the communication hole 16 in the direction of approaching or away from the side wall of the mounting groove 11.

Further, as shown in FIG. 1 and FIG. 2, an elastic member is supported between the side wall of the mounting hole 14 opposite to the communication hole 16 and the release key 15, and the elastic member often pushes the release key 15 toward the side wall of the mounting groove 11. The direction is moved so that the one end of the buckle 13 protrudes from the side wall of the mounting groove 11.

In the above embodiment, the other end of the roller cover 20 and the ground brush body 10 are fixed by the snap 13 and the card slot, so that the roller cover 20 and the ground brush body 10 are firmly fixed, and the fixing reliability is good. The release button 15 is matched with the elastic member such that when the roller cover 20 needs to be covered, the roller cover 20 can push one end of the buckle 13 toward the communication hole 16 during the process of covering the roller cover 20. Retracting and compressing the elastic member, the elastic member stores the elastic potential energy. When the roller cover 20 is closed, the card slot is located at a position corresponding to the buckle 13, and the elastic potential of the elastic member is released and pushed. One end of the buckle 13 protrudes from the side wall of the mounting groove 11 and is engaged in the card slot to achieve a firm fixation between the roller cover 20 and the ground brush body 10; when the roller cover 20 needs to be opened, the manual push release The key 15 causes the release button 15 to move the buckle 13 in a direction away from the side wall of the mounting slot 11, and one end of the buckle 13 is retracted. In the hole 16, at this time, the buckle 13 is disengaged from the card slot, the force between the other end of the roller cover 20 and the ground brush body 10 disappears, and the roller cover 20 is pulled out from the ground brush body 10. Under the elastic force of the elastic member, one end of the buckle 13 re-extends the side wall of the mounting groove 11, and the circulation is realized to realize the function of opening and closing the roller cover 20, the structure is simple, the operation is convenient, and the operation is simple and easy.

In another embodiment of the present invention, the outer side wall of the other end of the brush cover 20 is provided with a buckle 13 , and the ground brush body 10 is provided with a card slot matched with the buckle 13 , and the buckle 13 can be engaged Inside the card slot.

In the above embodiment, the buckle 13 is disposed on the brush cover 20, and the card slot is correspondingly disposed on the ground brush body 10. By the cooperation of the buckle 13 and the card slot, the other end of the roller cover 20 can also be realized. The ground brush body 10 is fixedly connected or disconnected, so that the purpose of opening or closing the roller cover 20 is conveniently closed, and details are not described herein again.

In one embodiment of the present invention, the ground brush body 10 is provided with a drive assembly coupled to the roller brush 301, and the drive assembly can drive the roller brush 301 to rotate relative to the ground brush body 10.

As shown in FIG. 3-6, the brush cover 20 is provided with a triggering portion 203. The grounding brush body 10 is provided with a micro switch 40. When the roller brush cover 20 is attached to the ground brush body 10, the triggering portion 203 is activated. The micro switch 40 is turned on to connect the control circuit connected to the roller brush. When the roller cover 20 is opened, the triggering portion 203 releases the touch action on the micro switch 40 to disconnect the control circuit.

Referring to FIG. 3 and FIG. 5, the brush cover 20 is detachably disposed on the ground brush body 10. The installation space is defined between the roller cover 20 and the ground brush body 10, that is, the roller cover 20 can be covered with the ground brush. The body 10 is coupled to the ground brush body 10 to form an installation space. The roller brush assembly is disposed in the installation space, and the roller brush assembly has a control circuit. A trigger portion 203 adapted to cooperate with the micro switch 40 is provided on the brush cover.

The micro switch 40 is disposed on the ground brush body 10, and the micro switch 40 is electrically connected to the control circuit of the roller brush assembly, and the micro switch 40 is used to control the on and off of the control circuit. The micro switch 40 is disposed on the ground brush body 10. When the roller cover 20 is closed on the ground brush body 10, the triggering portion 203 touches the micro switch 40 to turn on the control circuit, and the trigger portion is opened when the roller cover 20 is opened. 203 releases the touch action on the micro switch 40 to disconnect the control circuit.

Therefore, by providing the trigger portion 203 on the roller cover 20, the trigger portion 203 cooperates with the micro switch 40. When the roller cover 20 is closed, the trigger portion 203 can directly or indirectly contact the micro switch 40 to make the roller The brush 301 works normally, and when the roller cover 20 is opened, the triggering portion 203 releases the touch action of the micro switch 40 to stop the roller brush 301, thereby preventing the user from erroneously operating the roller brush 20 when the roller cover 20 is opened. 301 accidentally injured the user, which improved the safety of the product and increased the market competitiveness of the product.

Specifically, the brush cover 20 can be rotatably connected to the ground brush body 10 as a whole, and can be closed or opened by flipping, or can be engaged or inserted with the ground brush body 10, that is, the roller cover 20 can be realized by disassembly. The cover is closed or opened, and the whole cover is attached to the ground brush body 10, and is integrally separated from the ground brush body 10 to achieve opening.

In some embodiments of the present invention, as shown in FIG. 3 and FIG. 5, the roller cover 20 includes a cover 201 and a connecting portion. The cover 201 cooperates with the ground brush body 10 to form a mounting space, and the connecting portion is connected to the cover. The body 201 and the ground brush body 10 are connected to the floor brush body 10 by the cover body 201. The triggering portion 203 is disposed on any one of the cover 201 and the connecting portion. That is, the triggering portion 203 may be disposed on the cover 201 or may be disposed on the connecting portion.

In the above embodiment, the roller cover 20 includes a cover 201 and a connecting portion. The cover 201 and the ground brush body 10 cooperate to form a mounting space for covering the roller brush 301 to prevent the roller brush 301 from injuring the user when working. The safety of the floor brush 10 is improved. The roller brush assembly located in the installation space can be mounted on the cover body 201 or on the ground brush body 10. The roller brush assembly is preferably mounted on the ground brush body 10, and the structure is simpler and the assembly is more convenient. The connecting portion is connected to the cover body 201 and cooperates with the ground brush body 10. The connecting portion is used for fixing the cover body 201 to the ground brush body 10 to prevent the brush cover 20 from being detached from the brush body 10, thereby further improving the ground. The safety of the brush 10.

In some embodiments of the present invention, as shown in FIGS. 3-6, the connecting portion includes a rotating shaft 202, and the cover 201 is rotatably attached to the ground brush body 10 by the rotating shaft 202, wherein the triggering portion 203 is disposed on the rotating shaft At 202, when the cover 201 is rotated and closed, the rotating shaft 202 rotates to cause the triggering portion 203 to touch the micro switch 40.

In this embodiment, when the brush cover 20 is connected to the ground brush body 10 by means of rotation, when the roller cover 20 is connected to the ground brush body 10 by the rotation of the rotating shaft 202, The triggering portion 203 is disposed on the rotating shaft 202 such that when the cover is rotated and closed, the triggering portion 203 also rotates following the rotating shaft 202 until the cover body 201 is completely covered on the ground brush body 10, and the triggering portion 203 is also Rotating to the position corresponding to the micro switch 40, and jogging the micro switch 40, the control circuit of the roller brush assembly is turned on to ensure that the vacuum cleaner can work normally; and when the cover 201 is rotated and opened, the triggering portion 203 The rotation switch is also disengaged from the micro switch 40, so that the control circuit of the roller brush assembly is disconnected in time, and the roller brush 301 stops working immediately, thereby effectively preventing the roller brush 301 from accidentally injuring the user, and improving the safety of the floor brush 10.

In other embodiments of the present invention, the connecting portion includes a rotating shaft 202, and the cover 201 is rotatably attached to the ground brush body 10 through the rotating shaft 202. The triggering portion 203 is disposed on the cover 201, and the cover 201 rotates the cover. The timing trigger unit 203 touches the micro switch 40.

In this embodiment, the connecting portion includes the rotating shaft 202, that is, the roller cover 20 is connected to the ground brush body 10 by rotation, and the trigger portion 203 on the cover 201 will follow the cover 201 to rotate. When the cover body 201 is completely covered on the ground brush body 10, the triggering portion 203 just rotates to a position corresponding to the micro switch 40, and touches the micro switch 40 to turn on the control circuit of the roller brush assembly to ensure the vacuum cleaner. When the cover 201 is rotated and opened, the triggering portion 203 is also rotated away from the micro switch 40, so that the control circuit of the roller brush assembly is disconnected in time, and the roller brush 301 stops working immediately, thereby effectively avoiding the roller brush The occurrence of 301 accidental injury to the user increases the safety of the floor brush 10.

In still other embodiments of the present invention, the connecting portion includes at least one of the clip connectors, and the roller cover 20 is coupled to the ground brush body 10 by the at least one of the clip and the connector, wherein The trigger portion 203 is provided on the cover 201.

In this embodiment, the connecting portion comprises a latching member and/or a plug member, that is, the roller brush cover 20 is connected to the ground brush body 10 by means of snapping and/or plugging, and is located on the cover body 201. The triggering portion 203 can only activate the micro switch 40 when the cover body 201 is closed on the ground brush body 10, so that the control circuit of the roller brush assembly is turned on, so that the vacuum cleaner can work normally; and the cover body 201 is detached. When the body 10 is grounded, the triggering portion 203 is separated from the micro switch 40, so that the micro switch 40 is reset, the control circuit of the roller brush assembly is disconnected in time, and the roller brush 301 stops working, thereby preventing the roller brush 301 from injuring the user. The situation occurs, which improves the safety of the floor brush 10.

In some embodiments of the present invention, as shown in FIGS. 5 and 6, when the roller cover 20 is attached to the ground brush body 10, the trigger portion 203 directly contacts and activates the micro switch 40.

Further, as shown in FIG. 4 and FIG. 6, the micro switch 40 includes: a fixing member 401, an elastic member 402, and a button 403. Specifically, the fixing member 401 is fixed on the ground brush body 10, and the fixing member 401 is connected to the control circuit. The elastic member 402 is disposed on the fixing member 401, the button 403 is disposed on the fixing member 401, and the button 403 is located at the elastic member 402. Between the fixing member 401 and the fixing member 401, the triggering portion 203 can press the button 403 through the elastic member 402 to turn on the control circuit. When the triggering portion 203 leaves the elastic member 402, the button 403 is reset to open the control circuit.

Further, the elastic member 402 can be rotatably disposed on the fixing member 401. When the roller cover 20 is closed, the triggering portion 203 touches the elastic member 402 to rotate the elastic member 402 relative to the fixing member 401, and presses the button 403. The control circuit is turned on, the roller brush assembly can work normally; and when the roller cover 20 is opened, the trigger portion 203 is separated from the elastic member 402, the elastic member 402 is reset, and the pressure on the button 403 is contacted, so the button 403 is automatically reset. When the control circuit is disconnected, the brush assembly stops working, thereby avoiding injury to the user. Of course, the present invention is not limited thereto. As shown in FIG. 4 and FIG. 6 , the elastic member 402 may further include a fixing portion 4021 and an elastic portion 4022 . Specifically, one end of the fixing portion 4021 is fixed to the fixing member 401; one end of the elastic portion 4022 is connected to the other end of the fixing portion 4021, and the other end of the elastic portion 4022 is extended to the button 403. Preferably, as shown in FIGS. 2 and 4, the button 403 is adjacent to one end of the elastic portion 4022.

Optionally, as shown in FIGS. 4 and 6, the elastic member 402 is an L-shaped elastic piece.

In the above embodiment, the micro switch 40 includes a fixing member 401, an elastic member 402 and a button 403. The fixing member 401 is connected to the control circuit of the roller brush assembly; the button 403 can control the opening and closing of the control circuit when in a natural state. The control circuit is disconnected. When the button 403 is pressed, the control circuit is turned on, and when the pressure is removed, it can be automatically reset; the elastic member 402 is used to press the button 403. Specifically, when the roller cover 20 is closed, the triggering portion 203 applies pressure to the elastic member 402, and the elastic member 402 is elastically deformed, and the button 403 is pressed to make the control circuit be turned on, and the roller brush assembly can work normally; When the cover 20 is opened, the triggering portion 203 is separated from the elastic member 402, and the elastic member 402 is reset to contact the pressure on the button 403, so that the button 403 is automatically reset to disconnect the control circuit, and the roller brush assembly stops working, thereby avoiding injury. To the user.

Of course, those skilled in the art should understand that the micro switch 40 is not limited to the above structure, and may be only a small button 403, or may be other structures, as long as the function of the micro switch 40 can be satisfied. It is also within the scope of the invention.

The elastic member 402 includes a fixing portion 4021 and an elastic portion 4022. The fixing portion 4021 fixes the elastic member 402 on the fixing member 401 to prevent the position of the elastic member 402 from being displaced, thereby ensuring the reliability of use of the micro switch 40; The 4022 has elasticity and can be elastically deformed to apply a pressing force to the button 403 to turn on the control circuit of the button 403; and the distance of the elastic portion 4022 from the surface of the fixing member 401 is not less than the height of the button 403 in a natural state to ensure the button. 403 is between the elastic member 402 and the fixing member 401.

The button 403 is disposed near one end of the elastic portion 4022 and the fixed portion 4021, and the other end portion of the elastic portion 4022 is relatively far from the button 403. For the rotation cover of the roller cover 20, only the roller cover is provided. When the cover 20 is completely covered on the ground brush body 10, the elastic portion 4022 can press the button 403 to the position where the control circuit is turned on, and in the process of rotating the cover of the roller cover 20, the button 403 is insufficient. By controlling the circuit, it is avoided that the roller cover 20 has not been completely closed, and the roller brush 301 starts to work, thereby further improving the safety of the product.

In other embodiments of the present invention, the ground brush 10 further includes: a transmission member, the transmission member is disposed on the ground brush body 10, and the transmission member cooperates with the micro switch 40, and the roller cover 20 covers the ground brush body 10 When the upper part, the triggering part 203 triggers the transmission part And the micro switch 40 is touched by the transmission member.

In the above embodiment, the triggering portion 203 touches the micro switch 40 through the transmission member, that is, when the roller brush cover 20 is attached to the ground brush body 10, the micro switch 40 is not directly contacted, but the micro switch 40 is contacted. The object of the invention can also be achieved. Specifically, when the roller cover 20 is closed, the triggering portion 203 triggers the transmission member to apply a force to the transmission member to move the transmission member, thereby touching the micro switch 40 to turn on the control circuit; and the roller cover 20 is opened. When the triggering portion 203 is separated from the transmission member, the force received by the transmission member disappears, and thus the force of the transmission member to the micro switch 40 also disappears, and the micro switch 40 is reset to disconnect the control circuit.

A vacuum cleaner according to an embodiment of the second aspect of the present invention comprises a floor brush 1 for a vacuum cleaner according to the above-described first aspect of the present invention.

In summary, the ground brush body 10 of the embodiment of the present invention is provided with a mounting groove 11 having an opening penetrating vertically. The roller brush is rotatably mounted in the mounting groove 11, and the roller brush can pass through The lower end opening of the mounting groove 11 cleans the carpet and the like to realize the normal cleaning function of the roller brush; when the roller brush needs to be cleaned or replaced, only the other end of the roller brush cover 20 is firstly detached from the ground brush body 10, and then One end of the roller cover 20 is pulled out from the ground brush body 10, and the roller brush is taken out from the upper end opening of the mounting groove 11, so that the roller brush can be conveniently cleaned or replaced, the operation is simple, the use is convenient, and the time and labor are saved. The utility model solves the problem that the traditional technology needs to be flipped before the brush can be replaced, and the operation is troublesome and the use is inconvenient, thereby improving the user experience.

Moreover, when the brush cover 20 is closed, since the trigger portion 203 can directly or indirectly contact the micro switch 40, the control circuit of the roller brush assembly is turned on, and the driving member drives the roller brush 301 to rotate, so that the vacuum cleaner works normally; When the cover 20 is opened, the triggering action of the triggering portion 203 is released, so that the micro switch 40 is reset, the control circuit of the brush switch assembly of the micro switch 40 is turned off, and the driving member is stopped, so that the roller brush 301 stops rotating, and thus does not Injury to the user.

It should be noted that those skilled in the art should understand that the triggering portion 203 may be a component that is separately disposed on the roller brush cover 20 or a portion on the roller brush cover 20, and the touch micro switch 40 can be realized. The functions are all within the scope of the present invention.

The vacuum cleaner according to the embodiment of the present invention has a high safety because the ground brush 10 of the first embodiment is provided, and the user is not injured when the user mistakenly operates the roller cover 20.

In summary, the ground brush 10 provided by the present invention is provided with a triggering portion 203 on the roller brush cover 20, and the triggering portion 203 is matched with the micro switch 40. When the roller brush cover 20 is closed, the triggering portion 203 is directly or The micro switch 40 is contacted to make the roller brush work normally. When the roller cover 20 is opened, the triggering portion 203 releases the touch action of the micro switch 40 to stop the roller brush, thereby preventing the user from accidentally opening the roller. When the cover 20 is brushed, the roller brush accidentally injures the user, which improves the safety of the product and increases the market competitiveness of the product.

Specifically, in the conventional vacuum cleaner, when the roller brush cover is opened, the roller brush continues to work, and there is a hidden danger of accidentally injuring the user; and the ground brush 10 provided by the present invention, when the roller brush cover 20 is opened, the roller brush stops working. Therefore, the user will not be injured, thereby improving the safety of the product and increasing the market competitiveness of the product. Specifically, when the brush cover 20 is closed, since the triggering portion 203 directly or indirectly contacts the micro switch 40, the control circuit of the roller brush assembly is turned on, and the driving member drives the roller to rotate, so that the vacuum cleaner works normally; and the roller cover When the 20 is opened, the triggering action of the triggering portion 203 is released, so that the micro switch 40 is reset, the control circuit of the roller brush assembly is turned off, the driving member is stopped, and the roller brush stops rotating, so Will hurt the user.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples", etc. Particular features, structures, materials or features described in the examples or examples are included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

While the embodiments of the present invention have been shown and described, the embodiments of the invention may The scope of the invention is defined by the claims and their equivalents.

Claims

A floor brush for a vacuum cleaner, comprising:

a ground brush body, the ground brush body is provided with a mounting groove, and the mounting groove has an opening penetrating vertically;

a roller brush, the roller brush being rotatably mounted in the mounting groove;

a brush cover, the roller cover is disposed on the roller brush, and one end of the roller cover is inserted into the ground brush body, and the other end of the roller cover and the ground brush body Phase card connection.
The floor brush for a vacuum cleaner according to claim 1, wherein at least one protrusion is provided on one of a bottom wall surface of the one end of the roller brush cover and the ground brush body, a bottom wall surface of the one end of the roller brush cover and the other of the floor brush bodies are provided with at least one groove adapted to the protrusion, the protrusion being insertable or extractable from the groove .
The floor brush for a vacuum cleaner according to claim 2, wherein the plurality of protrusions and the plurality of grooves are respectively, and the plurality of grooves are in one-to-one correspondence with the plurality of protrusions.
The floor brush for a vacuum cleaner according to any one of claims 1 to 3, characterized in that: the outer side wall of the other end of the roller brush cover is provided with a card slot, and the ground brush body is provided There is a buckle that cooperates with the card slot, and one end of the buckle protrudes from a side wall of the mounting slot and is engaged in the card slot.
The floor brush for a vacuum cleaner according to claim 4, wherein the upper end surface of the ground brush body is provided with a mounting hole, and a release button is mounted in the mounting hole; a communication hole penetrating through a side wall of the mounting groove, and the other end of the buckle is connected to a lower end portion of the release button, and pushing the release button can drive the buckle to be close to the communication hole Or moving away from the side wall of the mounting groove.
The floor brush for a vacuum cleaner according to claim 5, wherein an elastic member is supported between the side wall of the mounting hole opposite to the communication hole and the release button, and the elastic member is often pushed The release key moves toward a side wall of the mounting groove such that the one end of the buckle protrudes from a side wall of the mounting groove.
The floor brush for a vacuum cleaner according to any one of claims 1 to 3, wherein a buckle is provided on an outer side wall of the other end of the roller brush cover, and the ground brush body is provided There is a card slot that cooperates with the buckle, and the buckle is adapted to be snapped into the card slot.
The ground brush for a vacuum cleaner according to any one of claims 1 to 7, wherein the brush cover is provided with a triggering portion, and the grounding brush body is provided with a micro switch.

The triggering portion touches the micro switch to electrically connect a control circuit connected to the roller brush when the roller cover is closed on the ground brush body, when the roller cover is open The trigger portion releases the touch action on the micro switch to disconnect the control circuit.
The floor brush for a vacuum cleaner according to claim 8, wherein the triggering portion directly contacts and touches the microswitch when the roller brush cover is attached to the ground brush body.
A floor brush for a vacuum cleaner according to claim 8 or 9, wherein the micro switch comprises:

a fixing member, the fixing member is fixed on the ground brush body, and the fixing member is connected to the control circuit;

An elastic member, the elastic member being disposed on the fixing member; and

a button, the button is disposed on the fixing member, and the button is located between the elastic member and the fixing member, wherein the trigger portion can press the button through the elastic member to conduct the And a control circuit that resets the switch to open the control circuit when the trigger portion leaves the elastic member.
The floor brush for a vacuum cleaner according to claim 8, further comprising:

a transmission member, the transmission member is disposed on the ground brush body, and the transmission member is matched with the micro switch

When the roller cover is closed on the ground brush body, the triggering portion triggers the transmission member and contacts the micro switch through the transmission member.
A vacuum cleaner characterized by comprising a floor brush for a vacuum cleaner according to any one of claims 1-11.