Underwater self-cleaning cleaning robot

Abstract

The utility model discloses an underwater self-cleaning cleaning robot which comprises a box body, a driving device installed in the box body and used for driving the box body to advance, a cleaning roller used for cleaning sundries on a passing path, a sewage suction pump used for sucking the sundries and water stirred by the cleaning roller, and a filtering device used for filtering and discharging the sundries and water sucked into the box body. A cleaner is mounted on one side of the sewage suction pump and comprises a plurality of first cleaning blades and a sundry storage box with a filter screen, and the sundry storage box is mounted on one side of the filter pipe. According to the utility model, the cleaner rotates by directly utilizing the force of water flow and cleans impurities attached to the screen out of the filtering channel, so that the screen can be prevented from being blocked, and the passing speed of the water flow and the final filtering effect can be improved. The whole structure does not need to be electrically controlled and is completely driven by the power of the existing water flow, and the screen can be continuously cleaned in the working process, so that the screen is always kept clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of environmental cleaning, particularly to an underwater self-cleaning cleaning robot capable of avoiding blockage of filter equipment by sucked sundries. BACKGROUND

[0002] In some places where water resources are utilized or used, the water source needs to be cleaned regularly or the water quality needs to be purified. Such cleaning behavior has been replaced by man-controlled or self-controlled cleaning machines (cleaning robots). Some of such cleaning machines can clean pools, and some are suitable for cleaning ships. The cleaning machines walk in water through tracks or propellers, suck sundries in water into self or shore filter equipment, and complete water quality purification.

[0003] When the current cleaning machine sucks sundries, it will suck water along with the sundries. The sundries are blocked by a screen, and the water passes through the screen into the next filter equipment for purification. After the cleaning operation is completed or a corresponding signal is triggered, the cleaning machine returns to the maintenance place for sundry cleaning.

[0004] During the cleaning process, the sundries will always accumulate at the screen. This not only affects the filtering effect of the screen, but also reduces the service life or increases the cleaning frequency when too many sundries enter the filter equipment. SUMMARY

[0005] The utility model aims at providing an underwater self-cleaning cleaning robot capable of avoiding blockage of filter equipment by sucked sundries.

[0006] The utility model provides an underwater cleaning robot, including box body, drive device that is installed in the box body drives the box body to advance, the cleaning roller that is cleaned to the sundry on the way, the suction pump that is inhaled the sundry and water that the cleaning roller stirs up, the filter device that filters and discharges the sundry and water that is inhaled in the box body,

[0007] The filter device includes a filter pipe, a filter layer composed of multiple filter cartridges arranged in the filter pipe, a water inlet connected with the suction pump at one end of the filter pipe, and a water outlet discharging purified water at the other end. A screen is installed at the water inlet, and a cleaner is installed on the side of the screen close to the suction pump. The cleaner includes an outer ring and a bearing seat connected by a support rod. Multiple first cleaning blades are installed on the bearing seat, and a sundry storage box with a filter screen is installed on one side of the filter pipe. The sundry storage box is in communication with the side wall of the filter pipe through a first sundry pipe, and the first opening position of the first sundry pipe is opposite to the position of the first cleaning blades. A through hole corresponding to the first opening is opened on the outer ring corresponding to the opening of the sundry pipe.

[0008] In one embodiment of the utility model, the number of first cleaning blades is 3-6, and they are symmetrically arranged around the bearing seat.

[0009] In one embodiment of the utility model, the bottom edge of the first cleaning blade is adjacent to or in contact with the upper surface of the screen.

[0010] In one embodiment of the utility model, the top edge of the first cleaning blade is inclined to the rotation direction, so that the first cleaning blade as a whole forms a twisted slope, and the slope towards the water inflow direction forms an included angle with the water inflow direction, which is beneficial to force.

[0011] In one embodiment of the utility model, the bearing seat is provided with a second cleaning blade adjacent to or in contact with the surface of the filter layer on the side close to the filter layer, and the sundry storage box is communicated with the side wall of the filter pipe through a second sundry pipe, and the second inlet position of the second sundry pipe corresponds to the radial position of the second cleaning blade.

[0012] In one embodiment of the utility model, the top edge of the second cleaning blade is adjacent to or in contact with the lower surface of the screen.

[0013] In one embodiment of the utility model, the shaft of the bearing seat penetrates the screen, and the second cleaning blade is fixedly or movably connected to the other end of the bearing seat opposite the connecting end of the first cleaning blade.

[0014] In one embodiment of the utility model, the first sundry pipe and the second sundry pipe adopt a bent pipe structure, and the outlets of the two are combined into one outlet.

[0015] In one embodiment of the utility model, the end of the bearing seat towards the water flow direction is provided with a conical cap.

[0016] In one embodiment of the utility model, a radially protruding clamping strip is installed on the side of the through hole of the outer ring, grooves accommodating the clamping strip are arranged on both sides of the first opening, and the outer ring is clamped with the first opening by inserting the clamping strip into the groove.

[0017] The cleaner in the utility model directly utilizes the power of water flow to rotate and clean the sundries attached to the screen out of the filter channel, which can prevent the screen from being blocked and improve the water flow passing speed and the final filtering effect. The whole structure does not need electrical control and is completely driven by the existing water flow power, can continuously clean the screen during the working process, keeps the screen clean all the time, and completely avoids the situation that the filtered sundries are always in the state of being washed in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the structure schematic view of the underwater cleaning robot of the utility model;

[0019] Figure 2 Figure 3 is a schematic view of the installation of the cleaner and the filtering device in an embodiment;

[0020] Figure 3 Figure 4 is a top view of the cleaner in an embodiment;

[0021] Figure 4 Figure 5 is a schematic view of the structure of the first cleaning blade in an embodiment;

[0022] Figure 5 Figure 6 is a schematic view of the clamping of the outer ring and the first opening in an embodiment. DETAILED DESCRIPTION

[0023] The specific structure and implementation process of the present application are described in detail below through specific embodiments and drawings. The present application is a supplement to the defects of the underwater cleaning robot in the prior art, and can be applied to any underwater cleaning robot as needed, and is not limited to a robot of a certain cleaning method. Therefore, the specific structure and working process of the existing cleaning robot are not involved in the following content, and only the present application is described in detail.

[0024] In the following description, "rear" refers to the rear (right) when the cleaning robot moves forward (left) facing the screen, and "top edge" and "bottom edge" are with reference to the direction of the water flow, with the edge close to the water flow being the top edge and the edge away from the water flow being the bottom edge.

[0025] As shown in Figure 1 , in an embodiment of the present application, an underwater cleaning robot is disclosed, which comprises a box body 1 for installing various devices, a driving device 2 installed in the box body 1 for driving the box body 1 to move, wherein the driving device 2 can be a track driven by a motor, a roller, a water jet, etc.

[0026] A cleaning roller 3 for cleaning the debris on the path of the box body 1, wherein the cleaning roller 3 generally rolls the water and debris in front of it to the rear by self-rotation;

[0027] A sewage suction pump 4 for sucking the water and debris stirred up by the cleaning roller 3, wherein the sewage suction pump 4 generally comprises an inlet 41 arranged at the bottom of the box body 1 and opened behind the cleaning roller 3, and an outlet 42 for discharging the sucked water and debris;

[0028] A filtering device 5 for filtering the water and debris sucked into the box body 1 and discharging them, wherein the filtering device 5 generally blocks and filters the debris and water discharged from the inlet 42, collects the debris, and then outputs the filtered water to the current water source;

[0029] As shown in Figure 2 , 3As shown, in the present scheme, the filtering device 5 specifically comprises a filtering tube 51, a filtering layer 52 composed of multiple layers of filter cores arranged in the filtering tube 51, a water inlet 511 connected with the sewage pump 4 at one end of the filtering tube 51, and a water outlet 512 at the other end of the filtering tube 51, a screen 53 installed at the water inlet 511, a cleaner 6 installed at the side of the screen 53 close to the sewage pump 4, the cleaner 6 comprising an outer ring 61 and a bearing seat 62 connected by a support rod 64, and multiple first cleaning blades 63 installed on the bearing seat 62, and a sundry storage box 7 with a filter screen 71 installed at one side of the filtering tube 51, the sundry storage box 7 being in communication with the sidewall of the filtering tube 51 through a first sundry pipe 72, and the first inlet 721 of the first sundry pipe 72 being positioned corresponding to the radial position of the first cleaning blades 63, and a through hole 611 being opened on the outer ring 61 corresponding to the first inlet 721 without blocking the first inlet 721.

[0030] When installed, the outer ring 61 is sleeved in the filtering tube 51, the through hole 611 on the outer ring 61 after sleeving corresponds to the first inlet 721, and the bottom edge 631 of the first cleaning blades 63 is adjacent to or in contact with the screen 53.

[0031] When the cleaning robot works, the driving device 2 drives the cleaning robot to walk on the water bottom, the rotating cleaning roller 3 cleans the water bottom, and the sundries scraped off are thrown into the relatively sealed space formed at the bottom of the box 1 together with the water, the sewage pump 4 sucks the sealed space through the sewage inlet 41 of the box 1, and then transports the sundries and water sucked to the filtering device 5 through the sewage outlet 42.

[0032] The entering sundries and water are first blocked by the screen 53 and filtered, the sundries that fail to pass through are stacked on the screen 53, and the water entering the screen 53 enters the filtering layer 52 and is directly discharged into the water after layer-by-layer filtering through the water outlet 512.

[0033] The first cleaning blades 63 above the screen 53 rotate under the impact of the water flow, and then drive the sundries stacked on the screen 53, when passing through the first inlet 721, the sundries enter the first sundry pipe 72 under the impact of the water flow and fall into the sundry storage box 7; during the working process of the cleaning robot, the first cleaning blades 63 continuously clean the sundries stacked on the screen 53 and push them into the sundry storage box 7, preventing the screen 53 from being blocked and improving the filtering effect of the filtering layer 52.

[0034] The water entering the sundry storage box 7 flows out at the filter screen 71 under the pressure of the sewage pump 4, and the sundries are left in the sundry storage box 7, after the cleaning robot completes the entire cleaning work, the sundry storage box 7 can be taken down, and the sundries in the sundry storage box 7 can be poured out.

[0035] The cleaner 6 in the embodiment directly utilizes the power of water flow to rotate and clean out sundries attached to the screen 53 from the filtering passage, which can prevent the screen 53 from being blocked and improve the water flow passing speed and the final filtering effect. The whole structure does not need electrical control and is completely driven by the power of existing water flow, which can continuously clean the screen 53 during the working process, so that the screen 53 is always kept clean and the situation that the filtered sundries are always in the state of being washed is completely avoided.

[0036] The mesh size of the screen 53 in the embodiment can be determined according to the specific water source to be cleaned or the water quality to be purified finally, and the number of the first cleaning blades 63 can be determined according to the content of the sundries in the water. If the sundries are more, the number of the first cleaning blades 63 can be increased, and vice versa. In the embodiment, the number of the first cleaning blades 63 is 3-6.

[0037] As shown in Figure 4 To make the first cleaning blade 63 more conveniently pushed by the water flow, the first cleaning blade 63 can be S-shaped or circular-arc-shaped and inclined to the rotating direction. Regardless of the shape, the bottom edge 631 of the first cleaning blade 63 needs to be parallel or in contact with the screen 53. In addition, to increase the impact area, the top edge 632 of the first cleaning blade 63 can be inclined to the rotating direction, so that the first cleaning blade 63 as a whole forms a twisted inclined surface, which is opposite to the entering direction of the water flow and forms an included angle, so that the impact force of the water flow is more concentrated on the inclined surface, thereby pushing the first cleaning blade 63 to rotate more quickly.

[0038] In an embodiment of the utility model, the second cleaning blade 65 is arranged on the side of the bearing seat 62 close to the filtering layer 52 and is adjacent to or in contact with the upper surface of the filtering layer 52. The sundry storage box 7 is communicated with the side wall of the filtering pipe 51 through the second sundry pipe 73, and the second inlet 731 of the second sundry pipe 73 corresponds to the radial position of the second cleaning blade 65.

[0039] During the filtering process of the filtering layer 52, some sundries that cannot enter the internal filter core will be accumulated on the surface of the filtering layer 52. Such sundries cannot be filtered by the screen 53 and are attached to the surface of the filtering layer 52 due to viscosity, which will block the filtering layer 52 after a long time. The second cleaning blade 65 can scrape off the sundries and send them into the sundry storage box 7 through the second sundry pipe 73.

[0040] The embodiment can further improve the cleaning effect on the filtering device, prolong the service life of the filtering layer 52, and improve the cleaning effect on the particles with viscosity. In addition, by controlling the top edge of the second cleaning blade 65 to be adjacent to or in contact with the lower surface of the screen 52, the attachments on the back of the screen 52 can also be cleaned, and the filtering effect of the screen 52 is further improved.

[0041] The second cleaning blade 73 in the embodiment can be fixedly connected with the bearing seat 62 to rotate synchronously with the first cleaning blade 63, or can be connected with the bearing seat 62 through a movable bearing to be able to rotate independently under the impact of water flow. The structure and working mode of the second cleaning blade 65 are the same as those of the first cleaning blade 63, which will not be repeated here. In addition, the bearing seat 62 in the present scheme can be an independent individual passing through the screen 52 as a mounting base of the second cleaning blade 65, to realize synchronous rotation of the first cleaning blade 63 and the second cleaning blade 65, or can be a shaft simultaneously connecting bearings located on both sides of the screen 52, and the first cleaning blade 63 and the second cleaning blade 65 are respectively mounted on a bearing to realize independent rotation of the first cleaning blade 63 and the second cleaning blade 65.

[0042] In an embodiment of the present application, the first debris pipe 72 and the second debris pipe 73 adopt a bent pipe structure, and the outlets of the two are merged into one outlet. The debris storage box 7 is at least one side wall formed by the filter screen 71, and the installation position of the filter screen 71 is opposite to the outlet position of the first debris pipe 72 and the second debris pipe 73. In other embodiments, the debris storage box 7 can also be completely formed by the filter screen 71.

[0043] The bent pipe structure can make the water flow more smooth and speed up the passage of debris. The filter screen 71 is arranged at the outlet position, so that the debris entering the debris storage box 7 is blocked by the filter screen 71 and falls into the lower part, and at the same time, the water in the debris storage box 7 is discharged from the debris storage box 7 under the impact of the outlet water flow. Preferably, the mesh size of the filter screen 71 is less than or equal to the mesh size of the screen 53.

[0044] Further, the side wall of the debris storage box 7 in which the filter screen 71 is installed adopts an inclined surface, and the inclined surface is opposite to the outlets of the first debris pipe 72 and the second debris pipe 73. This structure facilitates the falling of debris and the discharge of internal water.

[0045] In order to reduce the resistance to the water flow of the sewage outlet 42, a conical cap 621 is installed at one end of the bearing seat 62 facing the sewage outlet 42.

[0046] As Figure 5As shown, in an embodiment of the present application, for fixing the outer ring 61, a radial protruding clamping strip 612 is installed on the side of the through hole 611 of the outer ring 61, and the outer ring 61 is clamped with the groove on the side wall of the first opening 721 through the clamping strip 612 at the through hole 611, so as to prevent the circumferential rotation of the outer ring 61.

[0047] At this point, those skilled in the art should recognize that, although the present application has been shown and described in detail in this paper, many other variants or modifications conforming to the principles of the present application can be directly determined or deduced according to the content disclosed by the present application without departing from the spirit and scope of the present application. Therefore, the scope of the present application should be understood and recognized as covering all these other variants or modifications.

Claims

1. An underwater self-cleaning cleaning robot, comprising a box body, a driving device installed in the box body to drive the box body to travel, a cleaning roller to clean debris on the way, a sewage suction pump to suck the debris and water stirred up by the cleaning roller, and a filtering device to filter and discharge the debris and water sucked into the box body, characterized in that the filtering device comprises a filter tube, a filtering layer composed of multiple filter cores arranged in the filter tube, a water inlet connected with the sewage suction pump at one end of the filter tube, and a water outlet to discharge purified water at the other end of the filter tube, a screen is installed at the water inlet, a cleaner is installed at the side of the screen close to the sewage suction pump, the cleaner comprises an outer ring and a bearing seat connected by a support rod, multiple first cleaning blades are installed on the bearing seat, a debris storage box with a filter screen is installed at one side of the filter tube, the debris storage box is communicated with the side wall of the filter tube through a first debris pipe, the first opening position of the first debris pipe is opposite to the position of the first cleaning blades, and a through hole not blocking the first opening is opened at the position of the outer ring corresponding to the opening of the debris pipe.

2. The underwater self-cleaning cleaning robot according to claim 1, characterized in that the number of the first cleaning blades is 3-6, and the first cleaning blades are symmetrically arranged around the bearing seat.

3. The underwater self-cleaning cleaning robot according to claim 1, characterized in that the bottom edge of the first cleaning blade is adjacent to or in contact with the upper surface of the screen.

4. The underwater self-cleaning cleaning robot according to claim 1, characterized in that the top edge of the first cleaning blade is inclined to the rotating direction, so that the first cleaning blade as a whole forms a twisted inclined surface, and the inclined surface towards the water flow direction forms an included angle with the water flow direction to facilitate force receiving.

5. The underwater self-cleaning cleaning robot according to claim 1, characterized in that the bearing seat is provided with second cleaning blades adjacent to or in contact with the surface of the filtering layer at the side close to the filtering layer, the debris storage box is communicated with the side wall of the filter tube through a second debris pipe, and the second inlet position of the second debris pipe corresponds to the radial position of the second cleaning blades.

6. The underwater self-cleaning cleaning robot according to claim 5, characterized in that the top edge of the second cleaning blade is adjacent to or in contact with the lower surface of the screen.

7. The underwater self-cleaning cleaning robot according to claim 5, characterized in that the shaft of the bearing seat penetrates the screen, and the second cleaning blades are fixedly or movably connected to the other end of the bearing seat opposite to the connecting end of the first cleaning blades.

8. The underwater self-cleaning cleaning robot according to claim 5, characterized in that the first debris pipe and the second debris pipe adopt a bent pipe structure, and the outlets of the two pipes are combined into one outlet.

9. The underwater self-cleaning cleaning robot according to claim 1, characterized in that a conical cap is installed at the end of the bearing seat towards the water flow direction.

10. The underwater self-cleaning cleaning robot according to claim 1, characterized in that ​ ​ ​ ​ ​ ​ ​ ​ ​ A radial protruding clamping strip is installed on the side of the through hole of the outer ring, and a groove for accommodating the clamping strip is arranged on both sides of the first opening, and the outer ring is clamped with the first opening by inserting the clamping strip into the groove.

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