Commercial scrubber

Abstract

The utility model discloses a commercial scrubber, which comprises a scrubber body, a scrubber body, a scrubber body, a scrubber body, a scrubber body, a scrubber body and a scrubber body, and the scrubber body defines an inner cavity; the rear cover can be arranged on the machine body in an up-and-down overturning manner around a first rotating shaft between an opening position and a closing position; when the rear cover is in the open position, the rear opening is exposed; the rechargeable battery module is arranged in the inner cavity and can be moved out of the inner cavity through the rear opening when the rear cover is in the open position; and the one or more brackets are arranged at the rear cover in a manner of being capable of being transformed between an unfolded state and a folded state, and the one or more brackets are configured to allow the rear cover in the open position to be supported on the ground in the unfolded state, so that the rear cover is transformed into a temporary working platform. According to the commercial floor washing machine, the rear cover and the support can be transformed into a temporary working platform supported on the ground for use, and maintenance personnel can carry out maintenance work on the rechargeable battery module greatly conveniently.

Description

Technical Field

[0001] The present application relates to the field of cleaning technology using intelligent cleaning equipment, and in particular to a commercial floor scrubber. Background Art

[0002] Commercial floor scrubbers are usually used for cleaning hard floors in stations, airports, etc. Some small commercial floor scrubbers, such as push-type floor scrubbers and autonomous mobile commercial floor scrubber robots, are usually powered by rechargeable battery modules installed inside.

[0003] Due to the working intensity and maintenance methods of commercial floor scrubbers, the internal rechargeable battery module power supply often needs to be disassembled for maintenance. However, due to the heavy weight of the rechargeable battery module power supply, maintenance personnel need to use their hands or a special transport trolley to move the rechargeable battery module power supply to a special support platform for maintenance; this will make the floor scrubber inconvenient to use and maintain, affecting users' willingness to buy. Utility Model Content

[0004] Based on the above technical problems, the purpose of this application is to provide a commercial floor scrubber; the commercial floor scrubber can facilitate maintenance personnel to perform maintenance operations on the rechargeable battery module.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions: a commercial floor scrubber is constructed to be able to move along the ground and perform floor cleaning operations, the floor scrubber comprising: a body, defining an internal cavity, the internal cavity having a rear opening; a rear cover, which can be flipped up and down around a first rotation axis on the body between an open position and a closed position; when the rear cover is in the closed position, the rear cover closes the rear opening; when the rear cover is in the open position, the rear opening is exposed; a rechargeable battery module, which is built into the internal cavity and can be moved out of the internal cavity through the rear opening when the rear cover is in the open position; and one or more brackets, which can be arranged at the rear cover in an unfolded state and a folded state, and the one or more brackets are constructed to allow the rear cover in the open position to be supported on the ground in the unfolded state, so that the rear cover is converted into a temporary working platform.

[0006] The rear cover of the commercial floor scrubber of the present application can be used as a cover to close the internal cavity, and can also be transformed together with the bracket into a temporary working platform supported on the ground, which can greatly facilitate maintenance personnel to perform maintenance work on the rechargeable battery module.

[0007] In the above technical solution, in some specific implementations, one end of each of the brackets can be rotatably mounted on the back cover around the second rotation axis.

[0008] In the above technical solution, in some specific implementations, the number of the brackets is a pair, and the pair of brackets are arranged side by side on the back cover.

[0009] In the above technical solution, in some specific implementations, the number of the bracket is one and it is U-shaped.

[0010] In the above technical solution, in some specific embodiments, the one or more brackets in the folded state are constructed to allow an operator to hold them by hand.

[0011] In the above technical solution, in some specific embodiments, the back cover has an outer wall surface, and the one or more brackets in the folded state extend along the outer wall surface.

[0012] In the above technical solution, in some specific implementations, the back cover is a sheet metal component.

[0013] In the above technical solution, in some specific implementations, the commercial floor scrubber further includes: an electric control box, and the electric control box is built in the internal cavity.

[0014] In the above technical solution, in some specific embodiments, the commercial floor scrubber is constructed to be able to move and turn autonomously in a main moving direction from back to front and includes a navigation device.

[0015] In the above technical solution, in some specific embodiments, the commercial floor scrubber also includes: a mobile chassis for moving on the ground, a wiping device with a wiping tool, a squeegee device with a squeegee, a clean water tank and a dirty water tank for supplying cleaning liquid to the wiping tool and / or the ground.

[0016] Other beneficial effects of the technical solution of the present application will be described in detail in the specific implementation manner in conjunction with the drawings and will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic front view of a commercial floor scrubber provided in an embodiment of the present application;

[0018] Figure 2 for Figure 1 A schematic side view of the commercial floor scrubber in some embodiments;

[0019] Figure 3 for Figure 1 A schematic rear view of the commercial floor scrubber in some embodiments;

[0020] Figure 4 for Figure 1A main cross-sectional view of the commercial floor scrubber in some embodiments; at this time, the rear cover is in an open position and the bracket is in an unfolded state;

[0021] Figure 5 A front view schematic diagram of a bracket provided in an embodiment of the present application in a folded state relative to a rear cover;

[0022] Figure 6 for Figure 5 A schematic side view of the middle bracket in a folded state relative to the rear cover;

[0023] Figure 7 for Figure 7 A schematic side view of the middle bracket in an unfolded state relative to the rear cover;

[0024] Figure 8 A front view schematic diagram of a bracket provided in another embodiment of the present application in a folded state relative to a back cover;

[0025] Fig. 9 A front view schematic diagram of a bracket provided in the third embodiment of the present application in a folded state relative to the back cover. DETAILED DESCRIPTION

[0026] The technical content, structural features, objectives and effects of the present application are described in detail. The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0027] In the following description, for the purpose of explanation, many specific details are set forth to provide a detailed description of various exemplary embodiments or embodiments of the present application. However, various exemplary embodiments may also be implemented without these specific details or in the case of one or more equivalent arrangements. In addition, various exemplary embodiments may be different, but not necessarily exclusive. For example, without departing from the present application's concept, the specific shape, configuration and characteristics of the exemplary embodiment may be used or implemented in another exemplary embodiment.

[0028] Hereinafter, spatially relative terms such as "lower", "above", "upper", "on the side of", "front", "rear", "side" (e.g., as in "side wall"), etc., are used to describe the relationship of one element to another (other) element as shown in the drawings. The spatially relative terms are intended to include different orientations of the device in use, operation, and / or manufacture other than the orientation depicted in the drawings.

[0029] In this application, unless otherwise clearly specified and limited, the terms "connection" and "installation" should be understood in a broad sense. For example, "connection" and "installation" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0030] See also Figure 1-4 The commercial floor scrubber 100 shown is designed to be able to move and turn itself during movement, so that the floor can be cleaned autonomously during movement. After finishing cleaning, the commercial floor scrubber 100 will return to a docking station (not shown in the figure) to replenish power, replenish cleaning liquid (such as clean water), and remove sewage. The type of commercial floor scrubber claimed by the present application is not limited to self-moving type, and can also be a manually operated floor scrubber.

[0031] In the present application, the commercial floor scrubber 100 can be supported above the ground, and the commercial floor scrubber 100 is designed to move in a main moving direction from back to front during operation. The directions mentioned in the following examples are all referenced to this.

[0032] In the present application, the body 10 of the commercial floor scrubber 100 is designed according to three sections, namely a lower section 101, a middle section 102 and an upper section 103; in some embodiments, the heights of the lower section 101, the middle section 102 and the upper section 103 are all approximately 1 / 3 of the overall height of the commercial floor scrubber 100; in some embodiments, the height of the middle section 102 is the highest, the upper section 103 is the second, and the lower section 101 is the lowest.

[0033] The lower section 101 is provided with a mobile chassis 2, a wiping device 4 having a wiping tool 41, and a squeegee device 5 having a squeegee 51. The mobile chassis 2 is used to move on the ground. In order to control the operation, the commercial floor scrubber 100 includes an electric control box 92 ( Figure 4 ). The mobile chassis 2 includes a chassis bracket 20, a pair of front wheels 21 installed at the bottom of the chassis bracket 20, a rear wheel 22, and a pair of driving motors 23. In some embodiments, the pair of front wheels 21 are active wheels and are driven to rotate by the pair of motors 23; the rear wheels 22 are passive wheels. In this example, the pair of front wheels 21 adopts a universal wheel structure, and the driving motor 23 adopts a hub motor.

[0034] The wiping device 4 and the squeegee device 5 can realize cleaning of the floor, and the wiping device 4 is located at the front side of the squeegee device 5. In some embodiments of the present application, the wiping tool 41 is a disc brush that can be driven to rotate. In some embodiments, the squeegee 51 is an arc-shaped structure, which is designed to be able to stick to the floor and be lifted from the floor. In this example, the squeegee device 5 includes a squeegee bracket 50, and the squeegee 51 is supported at the lower part of the squeegee bracket 50; a support wheel 53 is also installed on the squeegee bracket 50. When the squeegee device 5 is working, the support wheel 53 will fall on the floor to be cleaned and can move. When the squeegee device 5 does not need to work, the support wheel 53 will be flipped backwards to leave the floor to be cleaned.

[0035] A clean water tank 6 is arranged at the middle section 102 for supplying cleaning liquid (such as water, or an aqueous solution with a detergent added thereto) to the wiping tool 41. The middle section 102 also defines an internal cavity 1021. In some embodiments, the internal cavity 1021 is defined by the outer wall of the clean water tank 6. The internal cavity 1021 has a rear opening 1022. The middle section 102 is provided with a rear cover 3 at this rear opening 1022.

[0036] A rechargeable battery module 9 and an electric control box 92 are installed in the internal cavity 1021. Each energy-consuming component of the commercial floor scrubber 100 is electrically connected to the rechargeable battery module 9, and the electric control box 92 can send control information to each controlled component of the floor scrubber 100. In order to replenish the rechargeable battery module 9 with electric energy, the commercial floor scrubber 100 is also provided with an automatic charging port 91 that can be electrically connected to an external docking station or a charger device (not shown in the figure). After the external docking station or the charger device is electrically connected to the automatic charging port 91, it can charge the rechargeable battery module 9.

[0037] When the rear cover 3 is in the open position, the rechargeable battery module 9 can be removed from the internal cavity 1021 through the rear opening 1022. The rechargeable battery module 9 can be removed from the interior of the machine body, which can facilitate the inspection and maintenance of the rechargeable battery module 9.

[0038] The commercial floor scrubber 100 is also provided with a sewage tank 7 that can temporarily store sewage and a suction motor 8 for providing suction force for fluid to enter the sewage tank 7 from the squeegee 51. The cleaning liquid supplied by the clean water tank 6 can wet the floor through the wiping tool 41, and the wiping tool 41 wet-wipes the floor with the help of the cleaning liquid and removes dirt from the floor. The fluid composed of the used cleaning liquid and the dirt on the floor is sucked up by the squeegee 51 and transferred to the sewage tank 7 with the help of the suction motor 8.

[0039] Therefore, the commercial floor scrubber 100 is a floor scrubber capable of recycling used cleaning liquid. However, the present application is not limited to this type of floor cleaning machine.

[0040] In order to locate and / or navigate within the surrounding environment, the commercial floor scrubber 100 includes a navigation device that is signal-connected to the electric control box 92 .

[0041] In some embodiments of the present application, a navigation system (not shown in the figure) is also arranged on the body 10. The navigation system may include a 3D lidar module, a camera module, an ultrasonic ranging module, etc. With the help of the navigation system, the floor scrubber 100 can move autonomously on the ground to be cleaned.

[0042] In some embodiments of the present application, the sewage tank 7 defines at least part of the outer contour of the upper section 103 of the commercial floor scrubber 100. The clean water tank 6, the rechargeable battery module 9 and the electric control box 92 are arranged at the middle section 102 of the commercial floor scrubber 100; wherein the clean water tank 6 and the rear cover 3 define part of the outer contour of the middle section 102 of the commercial floor scrubber 100.

[0043] In some embodiments of the present application, the sewage tank 7 includes a tank body 71 and a tank cover 72 located on the top of the tank body 71 and capable of being opened and closed. The tank body 71 of the sewage tank 7 is generally an integral component, such as a plastic material tank body made by injection molding or rotational molding.

[0044] In some embodiments of the present application, a display screen 73 that can be manipulated is provided at the rear of the upper section 102. The display screen 73 is located above the rear cover 3 and is tilted. A pair of gripping handles 74 are also provided at the rear of the upper section 102 at the position of the display screen 73. In some embodiments, the pair of gripping handles 74 are located on the left and right sides of the display screen 73. The pair of gripping handles 74 can facilitate the user to manually push the scrubber to move.

[0045] like Figure 3 As shown, the rear cover 3 is disposed at the middle section 102 and can be switched between an open position and a closed position. When the rear cover 3 is in the closed position, the rear opening 1022 is closed by the rear cover 3; when the rear cover 3 is in the open position, the rear opening 1022 is exposed. In some embodiments of the present application, the lower portion 10231 of the rear cover 3 is rotatably attached to the middle section 102. When the rear cover is in the open position, the rear cover 3 is substantially parallel to the horizontal plane.

[0046] like Figure 3-4 As shown, in some embodiments of the present application, a pair of brackets 31 capable of switching between an unfolded state and a folded state are further provided on the back cover 3. The brackets 31 are columnar, and the pair of brackets 31 are arranged side by side.

[0047] like Figure 5-7As shown, the lower part of the rear cover 3 is turned upside down around the first rotating shaft 32 and is arranged at the middle section 102. The axis of the first rotating shaft 32 is in the horizontal direction. One end of each bracket 31 can be rotatably mounted on the rear cover 3 around the second rotating shaft 33, and the axis of the second rotating shaft 33 is also in the horizontal direction. In some embodiments, when the pair of brackets 31 are in the unfolded state, the pair of brackets 31 are substantially perpendicular to the rear cover 3.

[0048] In some embodiments of the present application, a pair of brackets 31 in a folded state are constructed to allow an operator to hold them by hand; in the folded state, the pair of brackets 31 can serve as gripping handles for the rear cover 3 to facilitate the user to switch the rear cover 3 from a closed position to an open position.

[0049] In some embodiments of the present application, the back cover 3 has an outer wall surface 301 , and the pair of brackets 31 in the folded state will extend substantially along the outer wall surface 301 .

[0050] A pair of brackets 31 allow the rear cover 3 in the open position to be supported on the ground in the unfolded state, so that the rear cover 3 is converted into a temporary work platform. The rechargeable battery module 9 taken out from the internal cavity 1021 can be placed on the temporary work platform first, and then transferred to the transport trolley; the temporary work platform can also be used to place some temporary maintenance equipment and other components when the floor scrubber is being repaired. In order to meet the requirements of the temporary work platform to support the rechargeable battery module 9, temporary maintenance equipment and other components, the strength of the rear cover 3, the strength of the pair of brackets 31, the connection strength between the pair of brackets 31 and the rear cover 3, and the connection strength between the rear cover 3 and the middle section 102 need to be specially designed to meet the strength requirements of the temporary work platform. In some embodiments of the present application, the rear cover 3 can be set as an integrated sheet metal component.

[0051] like Figure 8 As shown, in some embodiments of the present application, the number of the bracket 31 ′ is one and the bracket 31 ′ is U-shaped, and the upper part of the U-shaped bracket 31 ′ is rotatably connected to the rear cover 3 ′.

[0052] like Fig. 9 As shown, in some embodiments, a pair of recessed portions 302" is provided on the outer wall surface 301" of the back cover 3"; a pair of brackets 31" in a folded state are located at the corresponding recessed portions 302".

[0053] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and the scope of protection required by the utility model is defined by the attached claims, description and their equivalents.

Claims

1. A commercial floor scrubber, configured to move along the floor and perform floor cleaning operations, characterized in that: The floor scrubber comprises: a body defining an interior cavity having a rear opening; A rear cover is disposed on the machine body and can be turned upside down around a first rotation axis between an open position and a closed position; when the rear cover is in the closed position, the rear opening is closed; when the rear cover is in the open position, the rear opening is exposed; a rechargeable battery module, built into the internal cavity and removable from the internal cavity through the rear opening when the rear cover is in the open position; and One or more brackets can be arranged at the rear cover in a switchable manner between an unfolded state and a folded state. The one or more brackets are constructed to allow the rear cover in the open position to be supported on the ground in the unfolded state, so that the rear cover is converted into a temporary working platform.

2. The commercial floor scrubber according to claim 1, characterized in that: One end of each of the brackets is rotatably mounted on the back cover around a second rotating shaft.

3. The commercial floor scrubber according to claim 1, characterized in that: The number of the brackets is a pair, and the pair of brackets are arranged side by side on the back cover.

4. The commercial floor scrubber according to claim 1, characterized in that: The number of the bracket is one and the bracket is U-shaped.

5. The commercial floor scrubber according to claim 1, characterized in that: The one or more brackets in the folded state are configured to allow an operator to hold the bracket in their hands.

6. The commercial floor scrubber according to claim 1, characterized in that: The back cover has an outer wall surface, and the one or more brackets in the folded state extend along the outer wall surface.

7. The commercial floor scrubber according to claim 1, characterized in that: The rear cover is a sheet metal component.

8. The commercial floor scrubber according to claim 1, characterized in that: Also includes: An electric control box is built into the internal cavity.

9. The commercial floor scrubber according to claim 1, characterized in that: The commercial floor scrubber is configured to be capable of autonomous movement in a main movement direction from rear to front and autonomous steering and comprises a navigation device.

10. The commercial floor scrubber according to claim 1, characterized in that: Also includes: The utility model comprises a mobile chassis for moving on the ground, a wiping device with a wiping tool, a squeegee device with a squeegee, a clean water tank and a dirty water tank for supplying cleaning liquid to the wiping tool and / or the ground.

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