Floor cleaning system

Abstract

The invention discloses a ground cleaning system, comprising: a ground cleaning vehicle, comprising a vehicle main body, a brush assembly, a liquid supply system, a dirty liquid recovery system and a power supply system, the power supply system comprising a battery assembly; the vehicle body is provided with a battery mounting bin and a bin door used for closing and opening the battery mounting bin. A bottom wall is arranged at the bottom of the battery mounting bin and provided with an upper surface, a lifting mechanism is arranged on the lower side of the battery mounting bin and comprises a lifting seat and a motor, a plurality of rollers are mounted on the upper portion of the lifting seat, the motor and the lifting seat are arranged in a transmission mode, a supporting plane is defined by the rollers, and a plurality of openings for avoiding the rollers are formed in the bottom wall. The lifting base can be driven by the motor to ascend and descend between the initial position where the battery assembly is supported on the upper surface and the jacking position where the battery assembly is supported on the rollers. The moving trolley is used for receiving and conveying the battery assembly and is provided with a butt joint part which is in butt joint with the battery mounting bin; the battery assembly can be easily moved into and out of the battery mounting bin, and time and labor are saved.

Description

Technical Field

[0001] The present application relates to the technical field of surface cleaning equipment, and in particular to a floor cleaning system. Background Art

[0002] Currently, there are floor cleaning vehicles used in large public places such as shopping malls and office buildings. Due to the increase in the cleaning area of ​​large public places, floor cleaning vehicles need to perform long-term and large-scale cleaning. In order to support the long-term work of such floor cleaning vehicles, the cleaning vehicles are usually equipped with battery components with large storage capacity. Such battery components are usually large in size and heavy in weight, which makes it inconvenient to move the battery components when charging or replacing the battery components. Summary of the invention

[0003] In order to solve the problem of the inconvenience of moving the heavy battery assembly of the floor cleaning vehicle in the prior art, the purpose of the present application is to provide a floor cleaning system.

[0004] To achieve the above purpose, the present application adopts the following technical solution: a floor cleaning system, comprising: A floor cleaning vehicle, comprising: a vehicle body capable of traveling on the ground, a brush assembly located at the bottom of the vehicle body, a liquid supply system, a dirty liquid recovery system and a power supply system located on the vehicle body, wherein the power supply system comprises a battery assembly; the vehicle body comprises a battery installation compartment for accommodating the battery assembly and a compartment door for closing and opening the battery installation compartment; the bottom of the battery installation compartment comprises a bottom wall, the bottom wall comprises an upper surface, a lifting mechanism is arranged on the lower side of the battery installation compartment, the lifting mechanism comprises a lifting seat having a plurality of rollers installed on the upper part and a motor arranged to be driven by the lifting seat, the plurality of rollers define a support plane, the bottom wall comprises a plurality of openings for avoiding the plurality of rollers, the lifting seat is configured to be able to rise and fall between an initial position and a jacking position under the drive of the motor; when the lifting seat is in the initial position, the support plane is located at the lower side of the upper surface, and the battery assembly is supported on the upper surface; when the lifting seat is in the jacking position, the support plane is located at the upper side of the upper surface, and the battery assembly is supported on the plurality of rollers; and The mobile trolley is used for receiving and transporting the battery assembly, and the mobile trolley has a docking portion for docking with the battery installation compartment.

[0005] In the above technical solution, it is further preferred that the lifting mechanism also includes a sleeve connected to the bottom of the lifting seat and a screw rod transmission connected to the motor, the screw rod is constructed to rotate around an axial line extending in the up and down directions under the drive of the motor, and the sleeve is sleeved on the screw rod and threadedly connected to the screw rod to move up and down along the screw rod when the screw rod rotates around the axial line.

[0006] In the above technical solution, it is further preferred that the battery installation compartment has an opening for the battery assembly to be moved into and out of the battery installation compartment, and the compartment door is rotatably disposed at the opening.

[0007] In the above technical solution, it is further preferred that a handle is provided on the battery assembly, and the handle is provided on a side of the battery assembly facing the opening.

[0008] In the above technical solution, it is further preferred that an anti-falling component is provided at the opening, and the anti-falling component includes a baffle rotatably connected to the bottom wall and a blocking member arranged on one side of the opening, the baffle having a blocking position for covering at least half of the opening and a docking position for completely opening the opening, when the baffle is located at the blocking position, at least part of the blocking member abuts against the outer side of the baffle; when the baffle is located at the docking position, the blocking member is biased to one side of the opening.

[0009] In the above technical solution, it is further preferred that a trigger member connected to the motor signal is provided on the battery installation compartment, and the trigger member is configured to be triggered by at least part of the blocking member when the blocking member is biased to one side of the opening, and the lifting mechanism is configured so that when the trigger member is triggered, the lifting seat moves from the initial position to the lifting position under the drive of the motor.

[0010] In the above technical solution, it is further preferred that the mobile cart also includes a bracket with a plurality of moving wheels on the top and a limiting plate arranged on the periphery of the bracket, the docking portion is rotatably connected to one side of the bracket, the limiting plate is vertically arranged on the other side of the bracket, the docking portion rotates between a first position perpendicular to the bracket and a second position parallel to the bracket, and when the docking portion is at the second position, it is connected to the baffle at the docking position.

[0011] In the above technical solution, it is further preferred that the waste liquid recovery system includes a squeegee arranged on the rear side of the brush assembly, a sewage tank for storing waste liquid and a suction motor connected to the fluid of the sewage tank, and the suction motor is electrically connected to the battery assembly.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present application arranges a lifting mechanism that can lift the battery assembly at the bottom of the battery installation bin and a moving trolley that docks with the battery installation bin, so that the battery assembly can be easily moved in and out of the battery installation bin. The structure is simple, the operation is convenient, and it saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the three-dimensional structure of a floor cleaning system provided in an embodiment of the present application; Figure 2 for Figure 1 A schematic diagram of a three-dimensional structure of a lifting seat of a power supply system in a jacking position; Figure 3 for Figure 2 A cross-sectional schematic diagram of the lifting seat in the jacking position; Figure 4 for Figure 3 A local enlarged schematic diagram of the middle A; Figure 5 for Figure 1 A schematic diagram of the three-dimensional structure of the lifting seat of the power supply system in the initial position; Figure 6 for Figure 5 A cross-sectional schematic diagram of the lifting seat in the initial position; Figure 7 for Figure 6 A partial enlarged schematic diagram of point B in the middle; Figure 8 for Figure 1 A schematic diagram of a three-dimensional structure in which the baffle is in a blocking position when the mobile trolley and the floor cleaning vehicle are docked; Fig. 9 for Figure 8 A partial enlarged schematic diagram of point C in the middle; Fig.10 for Figure 1 A schematic diagram of a three-dimensional structure in which the baffle is in a docking position when the mobile trolley and the floor cleaning vehicle are docked; Fig.11 for Fig.10 A partial enlarged schematic diagram of point D in the middle; Fig.12 for Figure 1 A three-dimensional structural schematic diagram of the battery assembly moving from the battery installation compartment to the mobile cart after the mobile cart is docked with the floor cleaning vehicle.

[0014] Wherein: 100, floor cleaning vehicle; 10, vehicle body; 20, brush assembly; 40, waste liquid recovery system; 81, squeegee; 82, sewage tank; 83, suction motor; 50, power supply system; 1, battery assembly; 11, handle; 2, battery installation compartment; 21, bottom wall; 22, opening; 23, limiting hole; 231, translation part; 232, first limiting part; 233, second limiting part; 3, compartment door; 4, lifting mechanism; 41, roller; 42, lifting seat; 43, motor; 44, sleeve; 45, screw rod; 5, anti-fall assembly; 51, baffle; 52, blocking member; 521, blocking part; 522, handle; 200, mobile trolley; 61, frame; 62, bracket; 621, moving wheel; 63, docking part; 64, limiting plate. DETAILED DESCRIPTION

[0015] To describe the technical content, structural features, achieved purpose and effect of the application in detail, the technical solutions in the embodiments of the application will be described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all of the embodiments. 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 implementations of the invention. 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 inventive concept, the specific shape, structure and characteristics of the exemplary embodiment may be used or implemented in another exemplary embodiment.

[0016] In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0017] The terms “upper”, “lower”, “front” and “back” in this application refer to the attached Figure 1 Top, bottom, front and back shown.

[0018] In the present application, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, "connection" 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.

[0019] The present application embodiment provides a floor cleaning system, such as Figure 1As shown, the floor cleaning system includes a floor cleaning vehicle 100 and a mobile vehicle 200 . The floor cleaning vehicle 100 is used to move along the floor to clean the floor. The mobile vehicle 200 moves back and forth on the floor independently of the floor cleaning vehicle 100 to receive and transport the battery assembly of the floor cleaning vehicle 100 .

[0020] like Figure 1 As shown, the floor cleaning vehicle 100 includes a vehicle body 10 capable of traveling on the ground, a brush assembly 20 located at the bottom of the vehicle body 10, a liquid supply system located on the vehicle body 10, a dirty liquid recovery system 40 and a power supply system 50, and the power supply system 50 is used to provide electrical energy to various energy-consuming components on the floor cleaning vehicle 100.

[0021] like Figure 8 , 9 As shown, the power supply system 50 includes a battery assembly 1, which is a rechargeable battery assembly. The vehicle body 10 has a battery installation compartment 2 for accommodating the battery assembly 1 and a compartment door 3 for closing and opening the battery installation compartment 2; the bottom of the battery installation compartment 2 has a bottom wall 21 (see Figure 4 ), the bottom wall 21 has an upper surface W2 (see Figure 4 ), the upper surface is used to carry the battery assembly 1; the side of the battery installation compartment 2 has an opening 22 for the battery assembly 1 to move into and out of the battery installation compartment 2, and the compartment door 3 is rotatably arranged at the opening 22 to open and cover the opening 22.

[0022] like Figure 2-7 As shown, a lifting mechanism 4 is provided at the lower side of the battery installation chamber 2, and the lifting mechanism 4 includes a lifting seat 42 with a plurality of rollers 41 installed on the upper part and a motor 43 connected to the lifting seat 42 in a transmission manner. A plurality of openings 210 are provided on the bottom wall 21 to avoid the plurality of rollers 41, and each opening 210 allows at least part of the corresponding roller 41 to be located on the upper side of the upper surface W2. The plurality of rollers 41 on the lifting seat 42 define a support plane W1 parallel to the upper surface W2, and the lifting seat 42 has an initial position in which the support plane W1 is located on the lower side of the upper surface W2 and a lifting position in which the support plane W1 is located on the upper side of the upper surface W2. The motor 43 is used to drive the lifting seat 42 to rise and fall between the initial position and the lifting position. When the lifting seat 42 is located at the lifting position, the plurality of rollers 41 lift the battery assembly 1 in the battery installation chamber 2, so that the battery assembly 1 is supported on the plurality of rollers 41 away from the bottom wall 21, and the plurality of rollers 41 support, so that the battery assembly 1 is convenient to move out of and into the battery installation chamber 2, saving time and effort. At the same time, a handle 11 is provided on the battery assembly 1 , and the handle 11 is tilted toward the opening 22 , so that the user can easily remove the battery assembly 1 from the battery installation compartment 2 .

[0023] The lifting mechanism 4 also includes a sleeve 44 connected to the bottom of the lifting seat 42 and a screw rod 45 connected to the motor 43. The screw rod 45 extends in the up-down direction. The motor 43 is used to drive the screw rod 45 to rotate around an axis extending in the up-down direction. The sleeve 44 is threadedly connected to the screw rod 45. When the screw rod 45 rotates around the axis, the screw rod 45 moves up and down to realize the lifting action of the lifting seat 42.

[0024] like Figure 8-12 As shown, an anti-falling component 5 is provided at the opening 22 for preventing the battery assembly 1 from falling from the opening 22 when the compartment door 3 is opened. The anti-falling component 5 includes a baffle 51 rotatably connected to the bottom wall 21 and a blocking member 52 provided on one side of the opening 22. The baffle 51 has a blocking position for covering at least half of the opening 22 and a docking position for fully opening the opening 22. The blocking member 52 is configured to keep the baffle 51 in the blocking position; when the baffle 51 is located at the blocking position, at least part of the blocking member 52 abuts against the outer side of the baffle 51, blocking the path of the baffle 51 rotating to the docking position, and when the baffle 51 is located at the docking position, the blocking member 52 is completely offset to one side of the opening 22.

[0025] The blocking member 52 includes a blocking portion 521 extending in the front-to-back direction and a handle portion 522 extending radially outward from the blocking portion 521. The blocking member 52 is connected to the battery mounting compartment 2 so as to be rotatable around an axis extending in the front-to-back direction and movable back and forth in the front-to-back direction. A limiting hole 23 cooperating with the handle portion 522 of the blocking member 52 is provided on the battery installation compartment 2. The limiting hole 23 has a translation portion 231 extending in the front-to-back direction, a first limiting portion 232 and a second limiting portion 233 vertically arranged to the translation portion 231. The distance between the first limiting portion 232 and the opening 22 is smaller than the distance between the second limiting portion 233 and the opening 22. The handle portion 522 of the blocking member 52 can be selectively placed in the first limiting portion 232 or the second limiting portion 233. When the baffle 51 is in the blocking position, the handle portion 522 is placed in the first limiting portion 232; when the baffle 51 is in the docking position, the handle portion 522 is placed in the second limiting portion 233.

[0026] The battery installation compartment 2 is also provided with a trigger member (not shown in the figure) connected to the signal of the motor 43. In the embodiment of the present application, the trigger member is installed at the second limit portion 233. When the handle portion 522 is placed in the second limit portion 233, the trigger member is triggered. The lifting mechanism 4 is configured such that when the trigger member is triggered, the lifting seat 42 is driven by the motor 43 to move from the initial position to the lifting position; when the handle portion 522 is placed in the first limit portion 232, the lifting seat 42 is driven by the motor 43 to move from the lifting position to the initial position.

[0027] like Figure 1As shown, the mobile vehicle 200 includes a frame 61 that moves along the ground, a bracket 62 disposed on the top of the frame 61, and a docking portion 63 for docking with the battery installation compartment 2. A plurality of moving wheels 621 are disposed on the top of the bracket 62 to reduce the friction force when the battery assembly 1 moves onto the bracket 62. The docking portion 63 is rotatably disposed on one side of the bracket 62, and has a first position perpendicular to the bracket 62 and a second position parallel to the bracket 62. When the docking portion 63 is in the second position, it is docked with the baffle 51 located at the docking position, so that the user can pull the battery assembly 1 from the battery installation compartment 2 to the bracket 62. Under the support of the plurality of rollers 41 and the plurality of moving wheels 621, the resistance of the battery assembly 1 during movement is reduced, saving time and effort.

[0028] A plurality of limiting plates 64 are vertically arranged on the other sides of the bracket 62. The plurality of limiting plates 64 and the docking portion 63 located at the first position block the bracket 62 around to prevent the battery assembly 1 from falling from the bracket 62, thereby improving stability and safety.

[0029] The liquid supply system includes a liquid supply port (not shown in the figure) arranged toward the brush assembly 20 and a liquid supply tank (not shown in the figure) for storing cleaning liquid. The liquid supply port and the liquid supply tank are in fluid communication. The liquid supply port sprays cleaning liquid to cooperate with the brush assembly 20 to clean the floor. The dirty liquid recovery system 40 includes a squeegee 81 arranged at the rear side of the brush assembly 20, a sewage tank 82 for storing dirty liquid, and a suction motor 83 in fluid communication with the sewage tank 82. The suction motor 83 generates a suction negative pressure in the suction port on the squeegee 81 and the sewage tank 82, and sucks the dirty liquid on the floor from the suction port into the sewage tank 82 for storage. The suction motor 83 is electrically connected to the battery assembly 1 in the battery installation compartment 2 to receive the electrical energy provided by the battery assembly 1.

[0030] A first electrical contact (not shown in the figure) is arranged on the battery assembly 1, and a second electrical contact (not shown in the figure) is provided in the battery installation compartment 2. When the battery assembly 1 is installed in the battery installation compartment 2, the first electrical contact and the second electrical contact are electrically connected, and the battery assembly 1 supplies power to various energy-consuming components of the floor cleaning vehicle 100 through the electrically connected electrical contacts.

[0031] The present application sets a lifting mechanism 4 that can lift the battery assembly 1 and a moving cart 200 that docks with the battery installation compartment 2 at the bottom of the battery installation compartment 2, so that the battery assembly 1 can be easily moved into and out of the battery installation compartment 2. It has a simple structure, is easy to operate, and saves time and effort.

[0032] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present application. Without departing from the spirit and scope of the present application, the present application may have various changes and improvements, and the scope of protection required by the present application is defined by the attached claims, description and their equivalents.

Claims

1. A floor cleaning system, characterized in that: include: A floor cleaning vehicle, comprising: a vehicle body capable of traveling on the ground, a brush assembly located at the bottom of the vehicle body, a liquid supply system, a dirty liquid recovery system and a power supply system located on the vehicle body, wherein the power supply system comprises a battery assembly; the vehicle body comprises a battery installation compartment for accommodating the battery assembly and a compartment door for closing and opening the battery installation compartment; the bottom of the battery installation compartment comprises a bottom wall, the bottom wall comprises an upper surface, a lifting mechanism is arranged on the lower side of the battery installation compartment, the lifting mechanism comprises a lifting seat having a plurality of rollers installed on the upper part and a motor arranged to be driven by the lifting seat, the plurality of rollers define a support plane, the bottom wall comprises a plurality of openings for avoiding the plurality of rollers, the lifting seat is configured to be able to rise and fall between an initial position and a jacking position under the drive of the motor; when the lifting seat is in the initial position, the support plane is located at the lower side of the upper surface, and the battery assembly is supported on the upper surface; when the lifting seat is in the jacking position, the support plane is located at the upper side of the upper surface, and the battery assembly is supported on the plurality of rollers; and The mobile trolley is used for receiving and transporting the battery assembly, and the mobile trolley has a docking portion for docking with the battery installation compartment.

2. The floor cleaning system according to claim 1, characterized in that: The lifting mechanism also includes a sleeve connected to the bottom of the lifting seat and a screw rod transmission connected to the motor. The screw rod is configured to rotate around an axis extending in the up and down directions under the drive of the motor. The sleeve is sleeved on the screw rod and is threadedly connected to the screw rod so as to move up and down along the screw rod when the screw rod rotates around the axis.

3. The floor cleaning system according to claim 1, characterized in that: The battery installation compartment has an opening for the battery assembly to be moved in and out of the battery installation compartment, and the compartment door is rotatably arranged at the opening.

4. The floor cleaning system according to claim 3, characterized in that: The battery assembly is provided with a handle, and the handle is arranged on the side of the battery assembly facing the opening.

5. The floor cleaning system according to claim 1, characterized in that: An anti-falling component is provided at the opening, and the anti-falling component includes a baffle rotatably connected to the bottom wall and a blocking member arranged on one side of the opening, the baffle having a blocking position for covering at least half of the opening and a docking position for completely opening the opening, when the baffle is located at the blocking position, at least part of the blocking member abuts against the outer side of the baffle; when the baffle is located at the docking position, the blocking member is biased to one side of the opening.

6. The floor cleaning system according to claim 5, characterized in that: The battery installation compartment is provided with a trigger member connected to the motor signal, and the trigger member is configured to be triggered by at least part of the blocking member when the blocking member is biased to one side of the opening, and the lifting mechanism is configured so that when the trigger member is triggered, the lifting seat is driven by the motor to move from the initial position to the lifting position.

7. The floor cleaning system according to claim 5, characterized in that: The mobile trolley also includes a bracket with a plurality of moving wheels on the top and a limit plate arranged on the periphery of the bracket. The docking portion is rotatably connected to one side of the bracket, and the limit plate is vertically arranged on the other side of the bracket. The docking portion rotates between a first position perpendicular to the bracket and a second position parallel to the bracket. When the docking portion is in the second position, it is connected to the baffle located at the docking position.

8. The floor cleaning system according to claim 1, characterized in that: The waste liquid recovery system includes a squeegee arranged at the rear side of the brush assembly, a sewage tank for storing waste liquid, and a suction motor connected to the fluid of the sewage tank, and the suction motor is electrically connected to the battery assembly.

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