A backflow prevention device for the spray pipe of the disinfection box of a commercial floor cleaning robot

Abstract

The present invention provides a commercial floor-cleaning robot disinfection box spray pipe anti-backflow water device, comprising a robot body, characterized in that it also includes an anti-backflow unit, a conveying unit, and a storage unit; the anti-backflow unit is arranged above the robot body to prevent the disinfectant from flowing back; the conveying unit is arranged behind the anti-backflow unit and is connected to the anti-backflow unit, and is used to convey liquid to the anti-backflow unit; the storage unit is arranged behind the robot body and is connected to the conveying unit for storing liquid. By adding a liquid storage tank, the present invention effectively allows the disinfectant remaining in the conveying pipe and the spray port to flow back into the liquid storage tank when the upper cover of the machine is open. This not only prevents the disinfectant from flowing into the interior of the machine and onto the operating display screen, making it difficult to clean and corroding parts, but also refluxes the disinfectant through the reflux device, thereby improving the utilization rate of the disinfectant and reducing the cost of using the machine.

Description

Technical Field

[0001] The invention belongs to the technical field of robots, and in particular relates to a backflow prevention device for a spray pipe of a disinfection box of a commercial floor-cleaning robot. Background Art

[0002] The cleaning robot can be used in places such as shopping malls, supermarkets, hospitals, hotels, etc., including but not limited to the above places, to clean specific floors, such as epoxy floors, cement floors, tiles, etc., including but not limited to the above floors, and can also push dust on specific floors, such as epoxy floors, tiles, marble, etc.

[0003] Since robots can automatically and efficiently disinfect indoor areas according to set routes, reduce contact between people, and avoid cross-infection caused by virus transmission, they are widely used for disinfection in indoor places such as hospital wards, residential communities, and schools.

[0004] Currently, large public spaces primarily rely on disinfection robots for automated, large-scale disinfection. These robots are equipped with exposed UV disinfection lamps that emit ultraviolet light to disinfect. Other robots spray disinfectant via a spray, but the spray only covers a small area, resulting in low disinfection efficiency. Robots also take a long time to complete disinfection tasks. Furthermore, the spray nozzles cannot rotate, spraying in a fixed direction, which limits the comprehensiveness of the disinfection area. Summary of the Invention

[0005] The present invention provides a brush plate lifting mechanism for a floor scrubber robot that converts brush plate lifting into horizontal motion. This mechanism also addresses the problem of the brush plate being obstructed by steps. By adopting a floating design, the brush plate is lifted when encountering a step, while the push rod motor does not move. This protects the push rod motor and ensures that the robot can smoothly navigate obstacles.

[0006] The present invention adopts the following technical solutions to solve the above technical problems:

[0007] A backflow prevention device for a spray pipe of a disinfection box of a commercial floor scrubbing robot, comprising a robot body, a backflow prevention unit, a conveying unit, and a storage unit;

[0008] The anti-backflow unit is provided above the robot body and is used to prevent the disinfectant from flowing back;

[0009] The delivery unit is arranged behind the anti-backflow unit and is in communication with the anti-backflow unit, and is used to deliver liquid to the anti-backflow unit;

[0010] The storage unit is arranged at the rear of the robot body 1 and is connected to the delivery unit for storing liquid.

[0011] Furthermore, the anti-backflow unit includes a spray nozzle, a flip cover and a backflow liquid storage tank. The spray nozzle is snap-connected to the machine cover, and the backflow liquid storage tank is arranged below the flip cover.

[0012] Furthermore, the conveying unit includes a pipeline, one end of which is connected to the reflux liquid storage tank, and one end of the pipeline away from the reflux liquid storage tank is connected to a pipeline elbow, and the pipeline elbow is clamped on the robot body 1.

[0013] Furthermore, the storage unit includes a disinfectant tank and a spray fan, the top of the disinfectant tank is clamped to the pipe elbow, one side of the disinfectant tank is clamped to the robot body, and the spray fan is arranged at the bottom of the disinfectant tank and clamped.

[0014] Furthermore, an iron suction piece is attached to the bottom of the spray nozzle, and three circular magnets are fixed with countersunk screws at the joint between the machine cover and the spray nozzle. The spray nozzle can rotate 360 ​​degrees.

[0015] Furthermore, the pipe is a clamp.

[0016] Furthermore, the liquid storage tank is connected to the inner side of the robot body cover, and a spray port is provided above the box opening of the liquid storage tank. A disinfectant delivery pipe is provided on the side of the box opening close to the pipe. The disinfectant delivery pipe is provided inside the machine cover, and the disinfectant delivery pipe is arranged at an angle, and the side with a higher inclination is connected to the box opening.

[0017] Furthermore, the box opening is trapezoidal.

[0018] Compared with the prior art, the present invention adopts the above technical solution and has the following technical effects:

[0019] 1. The present invention provides a backflow prevention device for the spray pipe of the disinfection box of a commercial floor cleaning robot. The spray position of this machine is above the machine, the disinfection spray covers a larger space, the disinfection efficiency is higher, and the robot takes less unit time when performing the disinfection task.

[0020] 2. The present invention provides a backflow prevention device for the spray pipe of the disinfection box of a commercial floor cleaning robot. The spray position of this machine is above the machine, and the user can rotate the spray nozzle to more easily control the spray direction and facilitate user operation.

[0021] 3. The present invention provides a backflow prevention device for the spray tube of the disinfection box of a commercial floor cleaning robot. According to the disinfectant tank, spray port, and pipeline conveying circulation system, a reflux device is added to realize the working circulation system of the disinfectant from the disinfection tank, conveying pipeline, spray port, and reflux water tank, thereby preventing the disinfectant from flowing out. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0023] Figure 2 It is a side exploded view of the present invention;

[0024] Figure 3 This is an axonometric exploded view of the present invention;

[0025] Figure 4 It is a side sectional view of the cover of the present invention.

[0026] In the figure: robot body 1, anti-backflow unit 2, conveying unit 3, storage unit 4, spray nozzle 5, machine cover 6, reflux liquid storage tank 7, pipe 8, pipe elbow 9, disinfectant tank 10, spray fan 11, iron suction piece 12, countersunk screw 13, circular magnet 14, spray port 15, disinfectant delivery pipe 16, box port 17. DETAILED DESCRIPTION

[0027] The present invention is described below based on the following embodiments, but the present invention is not limited to these embodiments. In the detailed description of the present invention below, certain specific details are described in detail. Those skilled in the art can fully understand the present invention without these details. To avoid obscuring the essence of the present invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0028] Furthermore, persons of ordinary skill in the art will appreciate that the figures provided herein are for illustration purposes only and are not necessarily drawn to scale.

[0029] At the same time, it should be understood that in the following description, "circuit" refers to a conductive loop composed of at least one element or subcircuit connected electrically or electromagnetically. When an element or circuit is said to be "connected to" another element or an element / circuit is said to be "connected" between two nodes, it can be directly coupled or connected to the other element or there can be intermediate elements. The connection between the elements can be physical, logical, or a combination thereof. Conversely, when an element is said to be "directly coupled to" or "directly connected to" another element, it means that there are no intermediate elements between the two.

[0030] Unless the context clearly requires otherwise, throughout the specification and claims, the words "include," "comprising," and similar words should be construed in an inclusive sense rather than an exclusive or exhaustive sense; that is, in the sense of "including but not limited to."

[0031] In the description of the present invention, it should be understood that the terms "first", "second", etc. are used for descriptive purposes only and should not be understood to indicate or imply relative importance. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0032] like Figure 1-2As shown, a commercial floor scrubber robot disinfection box spray pipe anti-backflow device includes a robot body 1, an anti-backflow unit 2, a conveying unit 3 and a storage unit 4;

[0033] The anti-backflow unit 2 is provided above the robot body 1 and is used to prevent the disinfectant from flowing back;

[0034] The delivery unit 3 is arranged behind the anti-backflow unit 2 and is in communication with the anti-backflow unit 2, and is used to deliver liquid to the anti-backflow unit 2;

[0035] The storage unit 4 is disposed at the rear of the robot body 1 and is connected to the delivery unit 3 for storing liquid.

[0036] As a specific embodiment, the backflow prevention unit 2 includes a spray nozzle 5, a flip cover and a backflow liquid storage tank 7. The spray nozzle 5 is snap-connected to the machine cover 6, and the backflow liquid storage tank 7 is arranged below the flip cover.

[0037] As a specific embodiment, the conveying unit 3 includes a pipe 8, one end of the pipe 8 is connected to the reflux liquid storage tank 7, and the end of the pipe 8 away from the reflux liquid storage tank 7 is connected to a pipe elbow 9, and the pipe elbow 9 is clamped on the robot body 1.

[0038] As a specific embodiment, the storage unit 4 includes a disinfectant tank 10 and a spray fan 11. The top of the disinfectant tank 10 is clamped to the elbow of the pipe 8, and one side of the disinfectant tank 10 is clamped to the robot body. The spray fan 11 is arranged at the bottom of the disinfectant tank 10 and is clamped.

[0039] As a specific embodiment, an iron suction piece 12 is attached to the bottom of the spray nozzle 5, and three circular magnets 14 are fixed with countersunk screws 13 at the connection between the cover 6 and the spray nozzle 5. The spray nozzle 5 can rotate 360 ​​degrees.

[0040] As a specific implementation, the pipe 8 is a clamp.

[0041] As a specific embodiment, the liquid storage tank is connected to the inner side of the machine cover 6 of the robot body 1, and the spray port 15 is above the box opening 17 of the liquid storage tank. A disinfectant delivery pipe 16 is provided on the side of the box opening 17 close to the pipe 8. The disinfectant delivery pipe 16 is provided inside the machine cover 6. The disinfectant delivery pipe 16 is inclined, and the side with a higher inclination is connected to the box opening 17.

[0042] In a specific embodiment, the tank opening 17 is trapezoidal. Disinfectant is stored in the disinfectant tank 10. Tank 10 includes an atomizer, which converts the disinfectant into a disinfectant spray. A spray fan 11 is located below tank 10, spraying the generated disinfectant spray out of tank 10 and into pipe elbow 9. The disinfectant spray travels through the following sequence: tank 10 → pipe elbow 9 → pipe 8 → reflux tank 7 → cover 6 → spray opening 15, ultimately exiting from spray nozzle 5.

[0043] After the robot's disinfection task is completed, the incomplete sprayed disinfectant spray will condense and liquefy to form a disinfectant solution. ① When the robot's cover 6 is not opened, such as Figure 2 , the order of disinfectant reflux is: spray port 15 → machine cover 6 → reflux liquid tank 7 → pipe 8 → pipe elbow 9 → disinfectant tank 10. ② When the robot's top cover is opened, Figure 1 The order of disinfectant reflux is: one part from: spray port 15 → machine cover 6 → reflux liquid storage tank 7; the other part from: pipe elbow 9 → pipe 8 → reflux liquid storage tank 7.

[0044] The spray nozzle 5 is installed magnetically. The installation process is as follows: a circle of iron suction discs 12 are glued to the bottom of the spray nozzle 5, and three circular magnets 14 are fixed to the spray port on the cover 6 using countersunk screws 13. To install the spray nozzle 5, place the spray nozzle 5 on the circular magnets 14, which will attract the iron suction discs 12, completing the installation. The circular magnets 14 have a weak suction force, ensuring that the spray nozzle 5 can be rotated by hand, ensuring a 360° rotation.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A commercial floor cleaning robot disinfection box spray pipe anti-backflow device, comprising a robot body (1), characterized in that: It also includes a backflow prevention unit (2), a conveying unit (3) and a storage unit (4); The anti-backflow unit (2) is arranged above the robot body (1) and is used to prevent the disinfectant from flowing back. The delivery unit (3) is arranged behind the backflow prevention unit (2) and is in communication with the backflow prevention unit (2) for delivering liquid to the backflow prevention unit (2); The storage unit (4) is arranged at the rear of the robot body (1) and is in communication with the conveying unit (3) for storing liquid; The anti-backflow unit (2) comprises a spray nozzle (5), a flip cover and a backflow liquid storage tank (7); the spray nozzle (5) is snap-connected to the machine cover (6); and the backflow liquid storage tank (7) is arranged below the flip cover; The conveying unit (3) comprises a pipeline (8), one end of which is connected to a reflux liquid storage tank (7), and an end of which is away from the reflux liquid storage tank (7) is connected to a pipeline elbow (9), and the pipeline elbow (9) is clamped on the robot body (1).

2. The anti-backflow device for the spray pipe of the disinfection box of a commercial floor cleaning robot according to claim 1, characterized in that: The storage unit (4) comprises a disinfectant tank (10) and a spray fan (11); the top of the disinfectant tank (10) is clamped to the elbow of the pipeline (8); one side of the disinfectant tank (10) is clamped to the robot body; and the spray fan (11) is arranged at the bottom of the disinfectant tank (10) and is clamped.

3. The anti-backflow device for the spray pipe of the disinfection box of a commercial floor cleaning robot according to claim 1 is characterized in that An iron suction piece (12) is attached to the bottom of the spray nozzle (5), and three circular magnets (14) are fixed with countersunk screws (13) at the joint between the machine cover (6) and the spray nozzle (5), and the spray nozzle (5) can rotate (360) degrees.

4. The anti-backflow device for the spray pipe of the disinfection box of a commercial floor cleaning robot according to claim 1 is characterized in that , the pipe (8) is a clamp.

5. The device for preventing backflow of the spray pipe of the disinfection box of a commercial floor cleaning robot according to claim 1, characterized in that: The reflux liquid storage box is clamped on the inner side of the cover (6) of the robot body (1), and a spray port (15) is provided above the box opening (17) of the reflux liquid storage box. A disinfectant delivery pipe (16) is provided on the side of the box opening (17) close to the pipe (8). The disinfectant delivery pipe (16) is provided inside the cover (6). The disinfectant delivery pipe (16) is inclined, and the side with a higher inclination is connected to the box opening (17).

6. The device for preventing backflow of the spray pipe of the disinfection box of a commercial floor cleaning robot according to claim 5, characterized in that: The box opening (17) is trapezoidal.

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