Floor brush for vacuum cleaner and vacuum cleaner

Abstract

The present application discloses a floor brush for a vacuum cleaner and a vacuum cleaner, which belongs to the technical field of floor cleaning equipment, and solves the problem in the prior art that the particles introduced by the front roller brush and the particles introduced by the rear roller brush collide at the entrance of the suction port and cannot be quickly introduced into the suction port. The floor brush for a vacuum cleaner of the present application includes a shell, and a front roller brush, a rear roller brush, a suction cavity and a suction baffle arranged in the shell, and the suction cavity is located between the front roller brush and the rear roller brush; along the direction from the front roller brush to the rear roller brush, the suction baffle divides the suction cavity into a front roller brush suction cavity and a rear roller brush suction cavity. The floor brush for a vacuum cleaner and the vacuum cleaner of the present application can be used for cleaning surfaces.

Description

Technical Field

[0001] The present application relates to a floor cleaning device, and in particular to a floor brush for a vacuum cleaner and a vacuum cleaner. Background Art

[0002] In the existing double roller brush, the suction port is located between the front roller brush and the rear roller brush, and the front roller brush and the rear roller brush share a suction port.

[0003] However, due to the rotation directions of the front roller brush and the rear roller brush, the particles introduced through the front roller brush and the particles introduced through the rear roller brush may collide at the entrance of the suction port, so that they cannot be quickly introduced into the suction port. Summary of the invention

[0004] In view of the above analysis, the present application aims to provide a floor brush for a vacuum cleaner and a vacuum cleaner, which solves the problem in the prior art that the particles introduced by the front roller brush and the particles introduced by the rear roller brush collide at the entrance of the suction port and cannot be quickly introduced into the suction port.

[0005] The purpose of this application is mainly achieved through the following technical solutions:

[0006] The present application provides a floor brush for a vacuum cleaner, comprising a shell and a front roller brush, a rear roller brush, a suction cavity and a suction baffle arranged in the shell, wherein the suction cavity is located between the front roller brush and the rear roller brush; along the direction from the front roller brush to the rear roller brush, the suction baffle divides the suction cavity into a front roller brush suction cavity and a rear roller brush suction cavity.

[0007] In a possible design, a roller brush motor is also included for driving the front roller brush and the rear roller brush to rotate.

[0008] In a possible design, an end of the suction baffle away from the cleaning surface is conformal to the inner wall of the suction cavity.

[0009] In a possible design, the end of the suction baffle close to the cleaning surface is conformal to the cleaning surface.

[0010] In a possible design, the suction cavity includes an inner cavity plate, an outer cavity plate located outside the inner cavity plate, and a suction port opened on the inner cavity plate.

[0011] In a possible design, the suction baffle includes a middle baffle, inner baffles located on both sides of the middle baffle, and outer baffles located on a side of the inner baffle away from the middle baffle, and the middle baffle is placed in the suction port.

[0012] In a possible design, relative to the cleaning surface, the height of the middle baffle plate>the height of the inner baffle plate>the height of the outer baffle plate.

[0013] In a possible design, a recessed portion facing the suction port is provided between the middle baffle and the inner baffle.

[0014] In a possible design, a plurality of adjustment notches facing the suction port are provided on the middle baffle, and a flexible adjustment sheet is provided on the adjustment notch to adjust the air intake ratio of the front roller brush suction cavity and the rear roller brush suction cavity through the flexible adjustment sheet.

[0015] In a possible design, the inner baffle is connected to the inner cavity plate via an inner slot and an inner protrusion engaged with the inner slot; the outer baffle is connected to the outer cavity plate via an outer slot and an outer protrusion engaged with the outer slot.

[0016] In a possible design, the length of the outer protrusion is equal to the length of the outer baffle; the length of the outer card slot is equal to the length of the outer baffle.

[0017] In a possible design, the inner cavity plate is in a concave arc shape.

[0018] In a possible design, it also includes a front roller brush cleaning assembly and a rear roller brush cleaning assembly. The front roller brush cleaning assembly is located on the rear side of the front roller brush, and the rear roller brush cleaning assembly is located on the front side of the rear roller brush.

[0019] In a possible design, the front roller brush cleaning assembly includes a plurality of transversely arranged front roller brush comb teeth, and the rear roller brush cleaning assembly includes a plurality of transversely arranged rear roller brush comb teeth.

[0020] In a possible design, a plurality of wool strips are provided at one end of the suction cavity facing the cleaning surface and located at the edge of the suction cavity, and sealing contact between the cleaning surface and the suction cavity is achieved through the plurality of wool strips.

[0021] In a possible design, the plurality of wool strips and the working surface of the suction baffle are located in the same plane.

[0022] The present application also provides a vacuum cleaner, comprising a main unit and the above-mentioned vacuum cleaner floor brush, wherein the main unit is connected to the vacuum cleaner floor brush via a connecting pipe.

[0023] In a possible design, it also includes a dust shield provided at the dust inlet of the dust storage and removal space of the vacuum cleaner, the dust shield includes a fixed part, a folding part and a movable part; one end of the fixed part is connected to the upper part of the movable part through the folding part; the fixed part and the movable part are both rigid plate-like components, and the folding part is a bendable plate-like component.

[0024] In a possible design, the fixing portion is provided with a fixing hole that passes through the fixing portion, and the dust shield is fixed at the dust inlet through the fixing hole.

[0025] In a possible design, the fixed part is arranged horizontally; when the dust shield is in a free state, the angle between the lower part of the movable part and the fixed part is not less than 80°; when the folding part is in a bent state, the angle between the lower part of the movable part and the fixed part is not greater than 180°.

[0026] In a possible design, the upper surface of the fixed portion is higher than the upper surface of the folding portion, and the top of the movable portion and the upper surface of the fixed portion are located on the same horizontal plane.

[0027] In a possible design, the leeward side of the movable part is provided with at least one outwardly protruding reinforcing rib.

[0028] In a possible design, a handle assembly is also included, which includes a handle body, a vibration-damping part and an electrostatic conductive sheet. The upper end surface of the handle body is recessed downward to form an assembly groove for assembling the vibration-damping part and the electrostatic conductive sheet. One end of the electrostatic conductive sheet passes through the side wall of the handle body, so that the side surface of the passing end of the electrostatic conductive sheet is flush with the outer wall surface of the handle body, or the side surface of the passing end of the electrostatic conductive sheet protrudes from the outer wall surface of the handle body.

[0029] In a possible design, the vibration-damping part is a non-solid structure, a buffer cavity is provided in the vibration-damping part, and the buffer cavity is a sealed cavity or a non-sealed cavity.

[0030] In a possible design, the lower end surface of the vibration-damping portion is provided with an arched slot extending to the rear end surface, and the arched slot is communicated with the buffer cavity.

[0031] In a possible design, a vibration-damping pad is laid at the bottom of the assembly groove, and a vibration-damping block is arranged in the buffer cavity.

[0032] In one possible design, the electrostatic conductive sheet is shaped like a T-shaped plate, including a fixed portion and an external penetrating portion, wherein the external penetrating portion is perpendicular to the fixed portion and has a width smaller than that of the fixed portion. The electrostatic conductive sheet is assembled in the mounting slot through the fixed portion, and after the external penetrating portion passes through the mounting slot and the side wall of the handle body, it is flush with the outer wall surface of the handle body.

[0033] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0034] a) The floor brush for a vacuum cleaner provided in the present application is provided with a suction baffle, which divides the suction cavity into a front roller brush suction cavity and a rear roller brush suction cavity. The front roller brush has a special front roller brush suction cavity, and the rear roller brush has a special rear roller brush suction cavity, thereby avoiding the particles introduced by the front roller brush and the particles introduced by the rear roller brush from colliding at the entrance of the suction port, allowing the particles to be quickly introduced into the suction port, thereby improving the cleaning efficiency of the floor brush for the vacuum cleaner.

[0035] b) In the floor brush for a vacuum cleaner provided in the present application, the end of the suction baffle away from the cleaning surface is conformal to the inner wall of the suction cavity, so that the connection between the suction baffle and the suction cavity is more compact.

[0036] c) In the floor brush for vacuum cleaner provided in the present application, relative to the cleaning surface, the height of the middle baffle is greater than the height of the inner baffle and greater than the height of the outer baffle, so that an upwardly inclined particle channel can be formed, so that the particles can be smoothly introduced into the suction port.

[0037] d) The floor brush for a vacuum cleaner provided in the present application is provided with a front roller brush cleaning assembly and a rear roller brush cleaning assembly, which can remove the hair entangled on the front roller brush and the rear roller brush.

[0038] e) In the floor brush for vacuum cleaner provided in the present application, a plurality of bristles are provided at the edge of the suction cavity at one end of the suction cavity facing the cleaning surface, and the plurality of bristles can achieve sealed contact between the cleaning surface and the suction cavity, thereby reducing the loss of negative pressure suction.

[0039] Other features and advantages of the present application will be described in the subsequent description, and some will become apparent from the description, or will be understood by practicing the present application. The purpose and other advantages of the present application can be realized and obtained by the structures specifically pointed out in the written description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The accompanying drawings are only for the purpose of illustrating specific embodiments and are not to be considered as limiting the present application. The same reference symbols denote the same components throughout the drawings.

[0041] Figure 1 This is a schematic diagram of the structure of the suction baffle in the floor brush for a vacuum cleaner according to the first embodiment of the present application;

[0042] Figure 2 This is a partial schematic diagram of a floor brush for a vacuum cleaner according to the first embodiment of the present application;

[0043] Figure 3 It is a partial schematic diagram of the floor brush for a vacuum cleaner in another direction according to the first embodiment of the present application;

[0044] Figure 4 This is a schematic diagram of the disassembly of the suction baffle and other components of the floor brush for a vacuum cleaner according to the first embodiment of the present application;

[0045] Figure 5 This is a schematic diagram of the structure of a floor brush for a vacuum cleaner according to Embodiment 1 of the present application;

[0046] Figure 6 This is a schematic diagram of the structure of the floor brush for a vacuum cleaner in another direction according to the first embodiment of the present application;

[0047] Figure 7 This is a schematic diagram of the structure of the dust shield in the vacuum cleaner of the second embodiment of the present application.

[0048] Reference numerals:

[0049] 1-fixed part; 2-movable part; 3-folding part; 4-shell; 5-front roller brush; 6-rear roller brush; 7-suction baffle; 8-roller brush motor; 9-inner cavity plate; 10-outer cavity plate; 11-suction port; 12-middle baffle; 13-inner baffle; 14-outer baffle; 15-recessed part; 16-inner card slot; 17-inner protrusion; 18-outer card slot; 19-outer protrusion; 20-front roller brush cleaning assembly; 21-rear roller brush cleaning assembly; 22-wool strip. DETAILED DESCRIPTION

[0050] The preferred embodiments of the present application are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present application to illustrate the principles of the present application.

[0051] Embodiment 1

[0052] This embodiment provides a floor brush for a vacuum cleaner. Figures 1 to 6 , including a shell 4 and a front roller brush 5, a rear roller brush 6, a suction cavity and a suction baffle 7 arranged in the shell 4, the front roller brush 5 is placed in the front roller brush cavity at the bottom of the shell 4, the rear roller brush 6 is placed in the rear roller brush cavity at the bottom of the shell 4, the suction cavity is located between the front roller brush 5 and the rear roller brush 6, and along the direction from the front roller brush 5 to the rear roller brush 6, the suction baffle 7 divides the suction cavity into a front roller brush suction cavity and a rear roller brush suction cavity.

[0053] During implementation, the particles introduced by the front roller brush 5 enter the suction port through the front roller brush suction cavity, and the particles introduced by the rear roller brush 6 enter the suction port through the rear roller brush suction cavity.

[0054] Compared with the prior art, the floor brush for a vacuum cleaner provided in this embodiment is provided with a suction baffle 7, which divides the suction cavity into a front roller brush suction cavity and a rear roller brush suction cavity. The front roller brush 5 has a special front roller brush suction cavity, and the rear roller brush 6 has a special rear roller brush suction cavity, thereby avoiding the particles introduced by the front roller brush 5 and the particles introduced by the rear roller brush 6 from colliding at the entrance of the suction port, so that the particles can be quickly introduced into the suction port, thereby improving the cleaning efficiency of the floor brush for the vacuum cleaner.

[0055] It is understandable that, in order to realize the rotation of the front roller brush 5 and the rear roller brush 6, the above-mentioned floor brush for vacuum cleaner further includes a roller brush motor 8 for driving the front roller brush 5 and the rear roller brush 6 to rotate, and the number of roller brush motors 8 can be one or two. When the number of roller brush motors 8 is one, one roller brush motor 8 is respectively connected to one end of the front roller brush 5 and one end of the rear roller brush 6 through a bearing group, and the clockwise rotation of the front roller brush 5 and the counterclockwise rotation of the rear roller brush 6 are realized through the bearing group; when the number of roller brush motors 8 is two, the roller brush motor 8 includes a front roller brush motor and a rear roller brush motor, the front roller brush motor is connected to one end of the front roller brush 5 through the front roller brush bearing group, and drives the front roller brush 5 to rotate clockwise, and the rear roller brush motor is connected to one end of the rear roller brush 6 through the rear roller brush bearing group, and drives the rear roller brush 6 to rotate counterclockwise.

[0056] It should be noted that the end of the suction baffle 7 close to the cleaning surface is the working surface, and the end of the suction baffle 7 away from the cleaning surface is the assembly surface. In order to improve the structural compactness of the above-mentioned floor brush for the vacuum cleaner, the end of the suction baffle 7 away from the cleaning surface is conformal with the inner wall of the suction cavity, so that the connection between the suction baffle 7 and the suction cavity is more compact.

[0057] It should also be noted that in order to ensure the tight contact between the suction baffle 7 and the cleaning surface, the end of the suction baffle 7 close to the cleaning surface is conformal to the cleaning surface. Normally, the cleaning surface (for example, the ground, the bed surface, etc.) is a plane, so the end of the suction baffle 7 close to the cleaning surface is also a plane.

[0058] In order to facilitate the production and installation of the suction cavity, specifically, the suction cavity includes an inner cavity plate 9, an outer cavity plate 10 located outside the inner cavity plate 9, and a suction port 11 opened on the inner cavity plate 9, and the suction port 11 is connected to the connecting pipe of the floor brush. Exemplarily, the outer cavity plate 10 and the inner cavity plate 9 are integrally formed or separately arranged. It should be noted that when the outer cavity plate 10 and the inner cavity plate 9 are separately arranged, the inner cavity plate 9 can be embedded in the outer cavity plate 10.

[0059] Correspondingly, the suction baffle 7 includes a middle baffle 12 , inner baffles 13 located at both sides of the middle baffle 12 , and outer baffles 14 located at a side of the inner baffle 13 away from the middle baffle 12 . The middle baffle 12 is placed in the suction port 11, and is used to guide the particles entering the suction port 11. The side of the middle baffle 12 close to the suction port 11 is conformal with the suction port 11, that is, the side of the middle baffle 12 close to the suction port 11 is a plane, so that it can be tightly connected with the suction port 11; the inner baffle 13 corresponds to the position of the inner cavity plate 9, the top end of the inner baffle 13 contacts the inner cavity plate 9, and the side of the inner baffle 13 close to the inner cavity plate 9 is conformal with the inner cavity plate 9, that is, the shape of the inner baffle 13 close to the inner cavity plate 9 is an outward convex arc, so that it can be tightly connected with the inner cavity plate 9; the outer baffle 14 corresponds to the position of the outer cavity plate 10, the top end of the outer baffle 14 contacts the outer cavity plate 10, and the side of the outer baffle 14 close to the outer cavity plate 10 is conformal with the outer cavity plate 10, that is, the shape of the outer baffle 14 close to the outer cavity plate 10 is a plane, so that it can be tightly connected with the outer cavity plate 10.

[0060] In order to better guide the particles, relative to the cleaning surface, the height of the middle baffle 12 is greater than the height of the inner baffle 13 and the height of the outer baffle 14, so that an upwardly inclined particle channel can be formed, so that the particles can be smoothly introduced into the suction port 11.

[0061] In order to facilitate the installation of the middle baffle 12 , a recessed portion 15 facing the suction port 11 may be provided between the middle baffle 12 and the inner baffle 13 .

[0062] In order to be able to adjust the air intake ratio of the front roller brush suction cavity and the rear roller brush suction cavity, the above-mentioned intermediate baffle 12 is provided with a plurality of adjustment notches facing the suction port 11, and a flexible adjustment sheet is arranged on the adjustment notch, and the air intake ratio of the front roller brush suction cavity and the rear roller brush suction cavity can be adjusted by the flexible adjustment sheet. For example, when the air intake of the front roller brush suction cavity increases and the air intake of the rear roller brush suction cavity decreases, since the flexible adjustment sheet is made of a flexible material, the flexible adjustment sheet can be tilted toward the side of the rear roller brush suction cavity, so that the aperture of the front roller brush suction cavity increases and the aperture of the rear roller brush suction cavity decreases, thereby ensuring that the gas flow rate flowing out of the front roller brush suction cavity is basically the same as the gas flow rate of the rear roller brush suction cavity, reducing the disturbance in the process of mixing the two gases, so that the particles can be quickly introduced into the suction port 11.

[0063] In order to ensure the connection stability between the inner baffle 13 and the inner cavity plate 9, the two can be connected through an inner card slot 16 and an inner protrusion 17 that is clamped with the inner card slot 16. For example, the inner card slot 16 is provided on the inner cavity plate 9, and the inner protrusion 17 is provided on the inner baffle 13. The inner protrusion 17 is inserted into the inner card slot 16 and is clamped and fixed with the inner card slot 16.

[0064] Similarly, in order to ensure the stability of the connection between the outer baffle 14 and the outer cavity plate 10, the two can be connected through an external card slot 18 and an external protrusion 19 that is snap-connected to the external card slot 18. Exemplarily, the external card slot 18 is provided on the outer cavity plate 10, and the external protrusion 19 is provided on the outer baffle 14. The external protrusion 19 is inserted into the external card slot 18 and is snap-connected and fixed to the external card slot 18.

[0065] In order to further improve the connection stability between the outer baffle 14 and the outer cavity plate 10, the length of the outer protrusion 19 is equal to the length of the outer baffle 14, and accordingly, the length of the outer slot 18 is equal to the length of the outer baffle plate, so that the outer baffle 14 can be connected as a whole to the outer cavity plate 10.

[0066] In order to guide the particles introduced by the front roller brush 5 and the particles introduced by the rear roller brush 6 so that they can smoothly enter the suction port 11, the inner cavity plate 9 is in the shape of an inwardly concave arc, that is, the inner cavity plate 9 is an inwardly concave arc plate. The inwardly concave arc plate basically has no corners, and the particles introduced by the front roller brush 5 and the particles introduced by the rear roller brush 6 can smoothly enter the suction port 11 through the guidance of the inwardly concave arc plate, further improving the cleaning efficiency of the floor brush for the vacuum cleaner.

[0067] It is worth noting that hair is easily entangled in the front roller brush 5 and the rear roller brush 6 during use. In order to remove the hair entangled in the front roller brush 5 and the rear roller brush 6, the above-mentioned floor brush for the vacuum cleaner also includes a front roller brush cleaning assembly 20 and a rear roller brush cleaning assembly 21. The front roller brush cleaning assembly 20 is assembled on the wall surface of the front roller brush cavity and is located at the rear side of the front roller brush 5. The rear roller brush cleaning assembly 21 is assembled on the wall surface of the rear roller brush cavity and is located at the front side of the rear roller brush 6.

[0068] Exemplarily, the front roller brush cleaning assembly 20 includes a plurality of transversely arranged front roller brush comb teeth, and the rear roller brush cleaning assembly 21 includes a plurality of transversely arranged rear roller brush comb teeth. The front roller brush comb teeth and the rear roller brush comb teeth can be used to clean the hair entangled on the surface of the front roller brush 5 and the rear roller brush 6.

[0069] In order to enable the cleaning surface and the suction cavity to form a better negative pressure suction cavity, the sealing between the two is very important. Therefore, the suction cavity is provided with a plurality of wool strips 22 located at the edge of the suction cavity at one end facing the cleaning surface. The cleaning surface and the suction cavity can be sealed with the wool strips 22, thereby reducing the loss of negative pressure suction. Exemplarily, the shape of the suction cavity at one end facing the cleaning surface is rectangular, then the number of the wool strips 22 is three, including side wool strips located on both sides and rear wool strips provided at the rear side.

[0070] In order to further reduce the loss of negative pressure suction, the working surfaces of the plurality of wool strips 22 and the suction baffle 7 are located in the same plane, thereby further increasing the sealing performance of the front roller brush cavity and the rear roller brush cavity and reducing the damage to the negative pressure suction.

[0071] Embodiment 2

[0072] This embodiment provides a vacuum cleaner, including a main unit and the vacuum cleaner floor brush provided in the first embodiment, wherein the main unit is connected to the vacuum cleaner floor brush via a connecting pipe.

[0073] Compared with the prior art, the vacuum cleaner provided in this embodiment has substantially the same beneficial effects as the floor brush for the vacuum cleaner provided in the first embodiment, which will not be described in detail here.

[0074] It is understandable that the above vacuum cleaner further comprises a dust shielding piece arranged at the dust inlet of the dust storage and removal space of the vacuum cleaner, see Figure 7 , the dust shield includes a fixed portion 1, a folding portion 3 and a movable portion 2; one end of the fixed portion 1 is connected to the upper portion of the movable portion 2 through the folding portion 3; the fixed portion 1 and the movable portion 2 are both rigid plate-like components, and the folding portion 3 is a bendable plate-like component. The dust shield is mainly used to prevent dust in the dust removal space from flowing back out. The bendable folding portion 3 allows the movable portion 2 to be easily lifted up under the action of wind, opening the airflow path, reducing the loss of suction force by the dust shield, thereby improving the cleaning effect of the cleaning equipment, and preventing the negative pressure in the dust removal space from being too low, and preventing the motor or other components from being damaged by too low negative pressure. The thickness of the fixed portion 1 and the thickness of the movable portion 2 are both greater than the thickness of the folding portion 3. Reducing the thickness of the folding portion 3 is conducive to further reducing the force that causes the folding portion 3 to bend.

[0075] Exemplarily, the fixing portion 1 is provided with a fixing hole penetrating the fixing portion 1, and the dust shield is fixed at the dust inlet through the fixing hole.

[0076] In order to minimize the weakening of the suction force of the cleaning equipment by the dust shield without affecting the realization of the dust shield function. The fixed part 1 is arranged horizontally; when the dust shield is in a free state, the angle between the lower part of the movable part 2 and the fixed part 1 is not less than 80°. Since the dust inlet is usually a vertical or slightly upwardly inclined opening, the slightly acute angle of the movable part 2 in the free state can make the dust shield press the dust inlet to prevent dust from flowing back; when the folding part 3 is in a bent state, the angle between the lower part of the movable part 2 and the fixed part 1 is not greater than 180°, so that the dust shield can be parallel to the airflow direction, reducing the dust shield's obstruction to the airflow, thereby reducing the dust shield's influence on the suction force and improving the cleaning effect of the cleaning equipment.

[0077] The upper surface of the fixed part 1 is higher than the upper surface of the folding part 3, and the top of the movable part 2 is located on the same horizontal plane as the upper surface of the fixed part 1, that is, a reserved space is set above the folding part 3. When the movable part 2 is lifted, the top of the movable part 2 is close to the fixed part 1 and the lower part of the movable part 2 is separated from the dust inlet, which can prevent the movable part 2 from interfering with the fixed part 1 in movement.

[0078] In order to increase the structural strength of the movable portion 2 , the leeward surface of the movable portion 2 is provided with at least one outwardly protruding reinforcing rib.

[0079] It is understandable that the above-mentioned vacuum cleaner also includes a handle assembly, which includes a handle body, a vibration reduction part and an electrostatic conductive sheet. The upper end surface of the handle body is recessed downward to form an assembly groove for assembling the vibration reduction part and the electrostatic conductive sheet. One end of the electrostatic conductive sheet passes through the side wall of the handle body, so that the side of the end of the electrostatic conductive sheet passing through is flush with the outer wall of the handle body, or the side of the end of the electrostatic conductive sheet passing through is protruded from the outer wall of the handle body. The electrostatic conductive sheet is connected to the components that generate static electricity outside the handle assembly, so that the static electricity generated by these components is guided out through the electrostatic conductive sheet, so as to prevent the static electricity from affecting the normal operation of these components; the vibration reduction part is connected to the external motor unit, and the vibration transmitted to the handle assembly by the motor unit is reduced through the vibration reduction part. In this way, by setting the vibration reduction part, the vibration transmitted to the handle assembly by the motor unit can be effectively reduced, thereby improving the user's comfort; in addition, by setting the electrostatic conductive sheet, and a part of the electrostatic conductive sheet is exposed from the side wall of the handle body, the user can contact the electrostatic conductive sheet when holding the handle, so as to realize the real-time / timely guidance of static electricity.

[0080] The vibration reduction part is a non-solid structure so that the vibration reduction part has a better vibration reduction effect. Specifically, the vibration reduction part is provided with a buffer cavity, and the buffer cavity can be a sealed cavity or a non-sealed cavity. In this embodiment, the buffer cavity is a non-sealed cavity. To be precise, the buffer cavity is a cavity that is open at the top and bottom, that is, the shape of the vibration reduction part is similar to a tubular structure.

[0081] In order to enhance the vibration reduction effect and stability of the vibration reduction part, an arched slot extending to the rear end face is opened on the lower end face of the vibration reduction part, and the arched slot is communicated with the buffer cavity. In this embodiment, the upper end of the rear end face of the vibration reduction part extends to the upper end face, and the lower end edge forms a part of the upper arch of the arched slot. The two bottom ends of the arched slot are located on the lower end face of the vibration reduction part, and the ratio of the length of the rear end face to the height of the arched slot is 2:5.

[0082] In order to further improve the anti-vibration effect of the handle assembly, a vibration-damping pad is laid at the bottom of the assembly groove, and a vibration-damping block is arranged in the buffer cavity. Since there are many materials with better vibration-damping effects than rubber materials, but with disadvantages such as being difficult to form, poor strain resistance or short service life, they are not suitable as materials for the vibration-damping part. These materials can be used as vibration-damping blocks and filled in the buffer cavity. In this way, the vibration-damping part has both excellent vibration-damping effect and good stability.

[0083] In the present embodiment, the electrostatic conduction sheet is shaped like a T-shaped plate, including a fixed portion and an external penetration portion, wherein the external penetration portion is perpendicular to the fixed portion, and the width of the external penetration portion is smaller than the width of the fixed portion (the width here refers to the distance from the upper end surface to the lower end surface of the fixed portion and the external penetration portion, rather than the length of the short side of the rectangle in the traditional sense). The electrostatic conduction sheet is assembled in the mounting slot through the fixed portion, and after the external penetration portion passes through the mounting slot and the side wall of the handle body, it is flush with the outer wall surface of the handle body, which not only allows the user's hand to touch it, but also does not reduce the user's comfort due to protrusion.

[0084] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed in the present application should be covered within the protection scope of the present application.

Claims

1. A floor brush for a vacuum cleaner, characterized in that: It comprises a shell and a front roller brush, a rear roller brush, a suction cavity and a suction baffle arranged in the shell, wherein the suction cavity is located between the front roller brush and the rear roller brush; Along the direction from the front roller brush to the rear roller brush, the suction baffle divides the suction cavity into the front roller brush suction cavity and the rear roller brush suction cavity; The suction cavity comprises an inner cavity plate, an outer cavity plate located outside the inner cavity plate, and a suction port opened on the inner cavity plate; The suction baffle comprises a middle baffle, inner baffles located on both sides of the middle baffle, and outer baffles located on a side of the inner baffle away from the middle baffle, wherein the middle baffle is placed in the suction port; The end of the suction baffle away from the cleaning surface is conformal to the inner wall of the suction cavity; The floor brush for a vacuum cleaner also includes a roller brush motor for driving the front roller brush and the rear roller brush to rotate; The number of the roller brush motor is one, and the roller brush motor is connected to one end of the front roller brush and one end of the rear roller brush respectively through a bearing group, and the bearing group realizes the clockwise rotation of the front roller brush and the counterclockwise rotation of the rear roller brush; or the number of the roller brush motors is two, and the roller brush motor comprises a front roller brush motor and a rear roller brush motor, the front roller brush motor is connected to one end of the front roller brush through the front roller brush bearing group, and drives the front roller brush to rotate clockwise, and the rear roller brush motor is connected to one end of the rear roller brush through the rear roller brush bearing group, and drives the rear roller brush to rotate counterclockwise.

2. The floor brush for a vacuum cleaner according to claim 1, characterized in that: The suction baffle is conformal to the cleaning surface at one end close to the cleaning surface.

3. The floor brush for a vacuum cleaner according to claim 1, characterized in that: Relative to the cleaning surface, the height of the middle baffle sheet>the height of the inner baffle sheet>the height of the outer baffle sheet.

4. The floor brush for a vacuum cleaner according to claim 1, characterized in that: A recessed portion facing the suction port is provided between the middle baffle and the inner baffle.

5. The floor brush for a vacuum cleaner according to claim 1, characterized in that: The inner baffle is connected to the inner cavity plate via an inner card slot and an inner protrusion that is card-engaged with the inner card slot; The outer blocking piece is connected to the outer cavity plate through an outer clamping groove and an outer protrusion clamped with the outer clamping groove.

6. The floor brush for a vacuum cleaner according to claim 5, characterized in that: The length of the outer protrusion is equal to the length of the outer baffle; The length of the outer card slot is equal to the length of the outer baffle.

7. The floor brush for a vacuum cleaner according to claim 1, characterized in that: The inner cavity plate is in the shape of an inwardly concave arc.

8. The floor brush for a vacuum cleaner according to any one of claims 1 to 7, characterized in that: It also includes a front roller brush cleaning assembly and a rear roller brush cleaning assembly, wherein the front roller brush cleaning assembly is located at the rear side of the front roller brush, and the rear roller brush cleaning assembly is located at the front side of the rear roller brush.

9. The floor brush for a vacuum cleaner according to claim 8, characterized in that: The front roller brush cleaning assembly includes a plurality of transversely arranged front roller brush comb teeth, and the rear roller brush cleaning assembly includes a plurality of transversely arranged rear roller brush comb teeth.

10. The floor brush for a vacuum cleaner according to any one of claims 1 to 7 and 9, characterized in that: The end of the suction cavity facing the cleaning surface is provided with a plurality of wool strips located at the edge of the suction cavity, and the cleaning surface and the suction cavity are sealed and contacted by the plurality of wool strips.

11. The floor brush for a vacuum cleaner according to claim 10, characterized in that: The plurality of wool strips and the working surface of the suction baffle are located in the same plane.

12. A vacuum cleaner, characterized in that: The utility model comprises a main unit and a floor brush for a vacuum cleaner according to any one of claims 1 to 11, wherein the main unit is connected to the floor brush for a vacuum cleaner via a connecting pipe.

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