Cleaning head and surface cleaning equipment

Abstract

The utility model discloses a cleaning head and surface cleaning equipment. The cleaning head comprises a shell, a rolling brush and a driving mechanism. The housing defines a suction chamber. The rolling brush is arranged in the suction cavity and can rotate around the central axis of the rolling brush so as to be used for cleaning the surface to be cleaned. The driving mechanism is used for driving the rolling brush to rotate around the central axis. The rolling brush comprises a cylindrical barrel and at least one beating strip arranged on the barrel, the barrel comprises a first end and a second end which are opposite, the first end is in transmission connection with the driving mechanism, and the second end is suspended relative to the first end. Wherein the direction from the first end to the second end is taken as the first direction, and the width of the flapping strip is gradually reduced along the first direction. When the cleaning head is placed on a to-be-cleaned surface, the central axis forms a preset angle relative to the to-be-cleaned surface, and the preset angle is larger than 0 degree and smaller than 5 degrees. By adopting the structure, hair can be effectively prevented from being wound on the rolling brush.

Description

TECHNICAL FIELD

[0001] The utility model relates to cleaning equipment technical field especially, relates to a cleaning head and surface cleaning equipment. BACKGROUND

[0002] Surface cleaning equipment is generally used to clean floor, carpet or mattress etc., in order to improve cleaning effect, the suction cavity of cleaning head is generally provided with scroll brush, and the form of scroll brush is various, there is special cleaning floor, there is also special cleaning carpet or mattress.

[0003] In prior art, the both ends of scroll brush are rotatably installed in the suction cavity of cleaning head, then the scroll brush is driven to rotate at high speed through driving mechanism, can beat and raise the dirt on the surface to be cleaned, then the dirt is recycled into the recycling box through suction airflow. However, when the scroll brush cleans the relatively long hair, the hair will be wound on the scroll brush, and with the rotation of scroll brush, it is more and more tight, and it is difficult to clean. UTILITY MODEL CONTENTS

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides a cleaning head and surface cleaning equipment, which can effectively prevent hair from winding on the scroll brush.

[0005] On the one hand, the utility model provides a cleaning head, which comprises

[0006] A shell defines a suction cavity;

[0007] A scroll brush is arranged in the suction cavity, and the scroll brush is rotatable about a central axis thereof for cleaning a surface to be cleaned;

[0008] A driving mechanism is used for driving the scroll brush to rotate about the central axis thereof;

[0009] The scroll brush comprises a cylindrical barrel and at least one beating strip arranged on the barrel, the barrel comprises opposite first and second ends, the first end is drivingly connected to the driving mechanism, and the second end is arranged in a suspended manner relative to the first end;

[0010] Wherein, the direction from the first end to the second end is a first direction, and the width of the beating strip gradually decreases along the first direction; when the cleaning head is placed on the surface to be cleaned, the central axis is at a preset angle relative to the surface to be cleaned, and the preset angle is greater than 0° and less than 5°.

[0011] Optionally, the number of beating strips is two or more, and the beating strips are substantially parallel to the central axis after being installed to the barrel.

[0012] Optionally, the tapping bar is configured such that when the cleaning head is placed on the surface to be cleaned, the tapping end of the tapping bar is substantially parallel to the surface to be cleaned.

[0013] Optionally, the striking bar is spirally mounted to the cylinder around the central axis.

[0014] Optionally, the housing includes a body and a cover detachably mounted on the body. The cover includes a side cover and a bottom cover rotatably disposed on the side cover. The bottom cover is configured to move relative to the body after the side cover is mounted on the body.

[0015] Optionally, the housing defines a suction port that is in fluid communication with the suction chamber, and the suction port is located near the second end.

[0016] Optionally, the bottom cover includes a flow port corresponding to the suction port, and the area of ​​the flow port is larger than the area of ​​the suction port.

[0017] Optionally, the driving mechanism includes a driving rod for engaging the roller brush, and the outer periphery of the driving rod is provided with a plurality of helical guide ribs.

[0018] Optionally, it further includes a suction tube in fluid communication with the suction port, the suction tube being disposed behind the suction chamber, and the highest point of the suction tube being lower than the highest point of the suction chamber.

[0019] On the other hand, the present invention also provides a surface cleaning device, which includes the cleaning head described in any one of the claims.

[0020] This invention provides a cleaning head and surface cleaning device. The cleaning head includes a housing, a roller brush, and a drive mechanism. The housing defines a suction chamber. The roller brush is disposed within the suction chamber and can rotate around its central axis for cleaning the surface to be cleaned. The drive mechanism drives the roller brush to rotate around its central axis. The roller brush includes a cylindrical body and at least one tapping strip disposed on the cylinder. The cylinder includes a first end and a second end opposite to each other. The first end is drively connected to the drive mechanism, and the second end is suspended relative to the first end. The width of the tapping strip gradually decreases along the direction from the first end to the second end, which is designated as the first direction. When the cleaning head is placed on the surface to be cleaned, the central axis forms a preset angle relative to the surface, which is greater than 0° and less than 5°. With this structure, as the width of the tapping strip decreases, it ensures that hair gradually detaches from the second end of the roller brush during rotation, effectively preventing hair from tangling on the roller brush. Attached Figure Description

[0021] Figure 1Structure diagram of the robot cleaner in one embodiment of the present application;

[0022] Figure 2 Structure diagram of the upright cleaner in one embodiment of the present application;

[0023] Figure 3 Structure diagram of the handheld cleaner in one embodiment of the present application;

[0024] Figure 4 Structure diagram of the cleaning head in one embodiment of the present application;

[0025] Figure 5 Structure diagram of the cleaning head as an accessory in one embodiment of the present application;

[0026] Figure 6 Structure diagram of the cleaning head in one embodiment of the present application; Figure 5 Structure diagram of the cleaning head after removing the cover in one embodiment of the present application;

[0027] Figure 7 Structure diagram of the cleaning head after hiding the bottom cover in one embodiment of the present application;

[0028] Figure 8 Structure diagram of the cover of the cleaning head in one embodiment of the present application;

[0029] Figure 9 Structure diagram of the cover from another angle in one embodiment of the present application;

[0030] Figure 10 Structure diagram of the bottom cover in the first position in one embodiment of the present application;

[0031] Figure 11 Structure diagram of the bottom cover in the second position in one embodiment of the present application;

[0032] Figure 12 Structure diagram of the rolling brush in one embodiment of the present application;

[0033] Figure 13 Structure diagram of the rolling brush from another angle in one embodiment of the present application;

[0034] Figure 14 Structure diagram of the cleaning head after hiding the shell in one embodiment of the present application;

[0035] Figure 15 Sectional view of the cleaning head along the horizontal direction (suction pipe can be seen) in one embodiment of the present application;

[0036] Figure 16 Structure diagram of the cleaning head after removing the rolling brush in one embodiment of the present application. DETAILED DESCRIPTION

[0037] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0038] It should be noted that if the present application embodiments involve directional indications, the directional indications are only used to explain the relative positional relationship, movement condition and the like between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0039] In addition, if the present application embodiments involve descriptions of “first”, “second” and the like, the descriptions of “first”, “second” and the like are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with “first” and “second” can explicitly or implicitly include at least one of the features. In addition, the meaning of “and / or” appearing throughout the text includes three parallel schemes. Taking “A and / or B” as an example, it includes A scheme, or B scheme, or A and B simultaneously meet the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0040] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms “mounting”, “connection”, “connection” should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Reference Figures 1-4 , Figures 1-3 A surface cleaning apparatus 100, which can be a robot vacuum cleaner, an upright vacuum cleaner or a handheld vacuum cleaner, is disclosed in the present application. The surface cleaning apparatus 100 is provided with a cleaning head 1 (for reference Figure 4), the cleaning head 1 can be a part of the surface cleaning apparatus 100, or can be a separate accessory that is detachably connected to the surface cleaning apparatus 100. The structure of the surface cleaning apparatus 100 other than the cleaning head 1 is well known to those skilled in the art, and will not be described in detail here. The cleaning head 1 of the present application will be described in detail below.

[0042] With reference to Figures 3-16 As shown in the figure, the cleaning head 1 includes a housing 11, a roller brush 12, and a driving mechanism 4 for driving the roller brush 12. The housing 11 is generally made of plastic molding, and the housing 11 defines a suction chamber 115. The roller brush 12 is rotatably arranged in the suction chamber 115. The roller brush 12 is rotatable about a central axis 121 thereof for cleaning the surface 3 to be cleaned. The driving mechanism 4 is used to drive the roller brush 12 to rotate about the central axis 121 thereof. The driving mechanism 4 generally includes a driving motor 42 and a transmission mechanism 41 for transmitting the rotation of the driving motor 42 to the roller brush 12. The rotation axis of the driving shaft of the driving motor 42 is substantially parallel to the central axis 121. This can achieve stable power transmission.

[0043] The driving mechanism 4 can be arranged outside the suction chamber 115, or can be arranged inside the suction chamber 115. When the driving mechanism 4 is arranged outside the suction chamber 115, the driving mechanism 4 includes a driving rod 43 for abutting against the roller brush 12, and the driving rod 43 is provided with a plurality of helical guide ribs 44 on the outer periphery thereof. The guide ribs 44 can guide the installation and removal of the roller brush 12, and at the same time prevent the roller brush 12 from being separated from the driving rod 43 when rotating at high speed. The driving rod 43 and the driving motor can be connected by a gear transmission, or can be connected by other transmission means such as a belt. When the driving mechanism 4 is arranged inside the suction chamber 115, the driving motor is generally arranged inside the roller brush 12. After the driving motor is fixed to the housing 11, the space defined by the roller brush 12 can accommodate at least part of the driving motor, i.e. the roller brush 12 is located outside the driving motor. This arrangement can save space.

[0044] With reference to Figures 5-16 The roller brush 12 includes a cylindrical barrel 122 and at least one beating strip 123 arranged on the barrel 122. The beating strip 123 can be a leather strip made of rubber material, or can be a beating strip 123 made of other textile materials or materials well known to those skilled in the art. The beating strip 123 has an elongated strip structure, and has a certain length, width and thickness. The length is the length extending along the length direction of the roller brush 12, and the width is the distance from the mounting end 126 to the beating end 127 of the beating strip 123. The barrel 122 includes opposite first and second ends 124 and 125, and the first end 124 is drivingly connected to the driving mechanism 4, and the second end 125 is arranged in a cantilevered manner relative to the first end 124. The direction from the first end 124 to the second end 125 is the first direction, and the width of the beating strip 123 gradually decreases along the first direction. With reference to Figure 7When the cleaning head 1 is placed on the surface 3 to be cleaned, the central axis 121 is at a preset angle relative to the surface 3 to be cleaned, the preset angle is greater than 0° and less than 5°. The second end 125 of the cylinder 122 is suspended, and the width of the beating strip 123 gradually decreases. In this way, the hair wound on the roller brush 12 can be separated from the roller brush 12 during high-speed rotation of the roller brush 12 and sucked into the recovery tank.

[0045] Reference Figure 12 And 13 Referring to other figures, the cylinder 122 is generally molded or die-cast, and the outer surface of the roller is generally provided with a mounting groove which can or can not protrude from the outer surface of the cylinder 122. The beating strip 123 is detachably mounted in the mounting groove. Of course, in other embodiments, the beating strip 123 can be mounted by other mounting methods, such as screw connection, clamping, etc., and can also be directly glued to the cylinder 122. The specific process is not described here.

[0046] The number of beating strips 123 is two or more, and the beating strips 123 are substantially parallel to the central axis 121 after being mounted to the cylinder 122. Here, substantially parallel means that the extension direction of the beating strip 123 is substantially parallel to the central axis 121, or the mounting end 126 of the beating strip 123 is parallel to the central axis 121, and the beating end 127 is at a preset angle relative to the central axis 121. To ensure that the beating end 127 is substantially parallel to the surface 3 to be cleaned. Referring to the figure, the number of beating strips 123 is three. The beating strips 123 are configured to be substantially parallel to the surface 3 to be cleaned when the cleaning head 1 is placed on the surface 3 to be cleaned, and the beating end 127 of the beating strip 123 can clean the surface 3 to be cleaned in this area, and the beating strips 123 are parallel to each other.

[0047] In other embodiments, the beating strip 123 can be spirally mounted to the cylinder 122 about the central axis 121. The number of beating strips 123 can be one or more. When the number of beating strips 123 is more than one, the beating strips 123 can be arranged parallel to each other, and the spiral angle can be set according to actual conditions.

[0048] The shell 11 includes a body 111 and a cover 112 detachably mounted on the body 111, the cover 112 includes a side cover 113 and a bottom cover 114 rotatably arranged on the side cover 113, and the bottom cover 114 is configured to move relative to the body 111 after the side cover 113 is mounted on the body 111. The bottom cover 114 is arranged in a cylindrical structure matching the shape of the roller brush 12, and the cylindrical structure is provided with an air inlet through which air can enter the suction chamber 115.

[0049] A suction port 116 is defined in the housing 11 in fluid communication with the suction chamber 115, and is disposed proximate to the second end 125. The suction port 116 is proximate to the second end 125 of the roller brush 12, which can accelerate the hair to be detached from the roller brush 12.

[0050] The bottom cover 114 includes a flow-through port 117 corresponding to the suction port 116, and the area of the flow-through port 117 is larger than that of the suction port 116. Since the bottom cover 114 is movable relative to the body 111, the area of the flow-through port 117 is larger than that of the suction port 116, so that part of the suction port 116 is not blocked by the cover 112, and the cleaning efficiency is not affected.

[0051] The cleaning head 1 further includes a suction line 118 in fluid communication with the suction port 116, and the suction line 118 is disposed behind the suction chamber 115, and the highest point of the suction line 118 is lower than that of the suction chamber 115. In this way, the dirt will be preferentially entered into the suction line 118, so that the dirt that has not entered into the suction line 118 will not be re-wound on the roller brush 12. Even if there is relatively heavy dirt, it will be preferentially sucked into the suction line 118, and will not be returned to the suction chamber 115 due to the gravity.

[0052] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and it can be fully applied to various fields suitable for the present application. For those skilled in the art, other modifications can be easily realized, and therefore the present application is not limited to specific details and the figures shown and described herein, without departing from the general concept defined by the claims and the equivalent scope.

Claims

1. A cleaning head characterized by, The surface cleaning apparatus comprises: a housing defining a suction chamber; a roller brush disposed in the suction chamber, the roller brush being rotatable about a central axis thereof for cleaning a surface to be cleaned; a drive mechanism for driving the roller brush to rotate about the central axis thereof; the roller brush comprises a cylindrical barrel and at least one beating strip disposed on the barrel, the barrel comprises opposite first and second ends, the first end is drivingly connected to the drive mechanism, and the second end is disposed in a cantilevered manner relative to the first end; wherein a direction from the first end towards the second end is a first direction, a width of the beating strip gradually decreases along the first direction; when the cleaning head is placed on the surface to be cleaned, the central axis is at a preset angle relative to the surface to be cleaned, the preset angle is greater than 0° and less than 5°.

2. The cleaning head of claim 1, wherein: the number of the beating strips is two or more, and the beating strips are substantially parallel to the central axis after being mounted to the barrel.

3. The cleaning head of claim 1, wherein: the beating strip is configured such that, when the cleaning head is placed on the surface to be cleaned, a beating end of the beating strip is substantially parallel to the surface to be cleaned.

4. The cleaning head of claim 1, wherein: the beating strip is mounted to the barrel in a helical manner about the central axis.

5. The cleaning head of claim 1, wherein: the housing comprises a body and a cover detachably mounted to the body, the cover comprises a side cover and a bottom cover rotatably disposed on the side cover, and the bottom cover is configured to be movable relative to the body after the side cover is mounted to the body.

6. The cleaning head of claim 5, wherein: the housing defines a suction port in fluid communication with the suction chamber, and the suction port is disposed proximate to the second end.

7. The cleaning head of claim 6, wherein: the bottom cover comprises a flow-through port corresponding to the suction port, and an area of the flow-through port is greater than an area of the suction port.

8. The cleaning head of claim 1, wherein: the drive mechanism comprises a drive rod for abutting the roller brush, and the drive rod is provided with a plurality of helical guide ribs on an outer periphery thereof.

9. The cleaning head of claim 6, further comprising: a suction line in fluid communication with the suction port, the suction line is disposed rearward of the suction chamber, and a highest point of the suction line is lower than a highest point of the suction chamber.

10. A surface cleaning apparatus characterized by, The surface cleaning apparatus comprises the cleaning head of any one of claims 1-9.

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