Filter screen, rolling and dragging device and cleaning equipment

Abstract

The filter screen comprises a bottom wall, a front wall and a rear wall, the front wall is located on the bottom wall close to the water receiving side, the rear wall is located on the bottom wall far away from the water receiving side, a plurality of filter holes are formed in the bottom wall, and a filter groove sunken downwards is formed in the side, close to the front wall, of the bottom wall.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of cleaning, especially relates to a filter screen, a rolling mop device and a cleaning equipment. BACKGROUND

[0002] In order to keep the rolling mop continuously wiping ground, the applicant sets the water scraping strip that continuously extrudes the rolling mop in the front part of the sewage box, and sets the filter screen on the cover of the sewage box. After the sewage is extruded from the rolling mop, it first passes through the filter screen to filter out the garbage in the sewage, and then flows into the sewage box to prevent the garbage from blocking the sewage suction pipe connecting the sewage box and the sewage tank. The filter screen used by the applicant before is planar, when the sewage flows through the filter screen, the garbage in the sewage will flow and spread in a large area, which can easily cause the filter screen to be blocked in a large area in a short time, resulting in the sewage flowing along the plane of the filter screen, and the user needs to clean the filter screen frequently. SUMMARY

[0003] In view of the above deficiencies or defects in the prior art, the utility model provides a filter screen, a rolling mop device and a cleaning equipment easy to maintain.

[0004] The filter screen provided by the utility model comprises a bottom wall, a front wall and a rear wall, the front wall is located on the water receiving side of the bottom wall, the rear wall is located on the water receiving side away from the bottom wall, a plurality of filter holes are arranged on the bottom wall, and a filter groove is arranged on the side of the bottom wall close to the front wall.

[0005] Optionally, the filter holes on the bottom wall comprise rows arranged in a row, and the filter holes in the rows are arranged along the front-rear direction of the filter screen.

[0006] Optionally, the filter screen further comprises a side wall connected to the end of the front wall and the rear wall, the front wall and the side wall are in the form of a straight plate, and the rear wall is in the form of a circular arc plate.

[0007] The utility model also provides a rolling mop device, which comprises a support, a rolling mop, a sewage box and a filter screen.

[0008] Optionally, a first suction member is arranged on the front wall and the rear wall, a second suction member is arranged on the sewage box, one of the first suction member and the second suction member is a metal member, and the other is a magnetic member.

[0009] Optionally, the upper part of the box body is provided with a crossbeam, the crossbeam is fixedly connected with both ends of the box body, the crossbeam is detachably connected with the support, a sewage suction pipe joint in communication with the sewage tank is arranged on the crossbeam, the front wall of the filter screen is provided with a backward recessed avoiding groove, and the sewage suction pipe joint passes through the avoiding groove and enters the sewage tank.

[0010] Optionally, the front wall and the rear wall are provided with stepped surfaces supporting the open end of the sewage tank.

[0011] The utility model also provides a cleaning equipment which comprises a chassis and the aforementioned rolling and dragging device, and the rolling and dragging device is installed at the rear part of the chassis.

[0012] Optionally, a frame is installed above the chassis, a clean water tank and a sewage tank are installed on the frame, the clean water tank supplies clean water to the rolling and dragging device, the sewage tank stores the sewage sucked from the sewage tank, and the depth of the filter groove is smaller than the gap between the frame and the sewage tank.

[0013] Optionally, a sewage discharge pipe joint is arranged on the frame, the sewage discharge pipe joint is in communication with the sewage tank, the rear part of the filter screen is provided with an avoiding hole, a water guide cylinder is arranged on the box body and extends into the avoiding hole, the water guide cylinder penetrates through the box body, and the projection of the sewage discharge pipe joint on the filter screen is located in the avoiding hole.

[0014] The filter screen provided by the utility model is provided with a recessed filter groove near the water receiving side, the flowing sewage first passes through the filter groove, and the dirt in the sewage is sunk into the filter groove, so that the area of the filter screen far from the water receiving side can normally play the filtering function, the sewage is prevented from entering the area of the filter screen far from the water receiving side too early, the area of the filter screen is prevented from being blocked, the cleaning and maintenance frequency of the filter screen is reduced, and the filter screen is easier to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, and are used together with the following specific embodiments to explain the utility model, but do not constitute limitation to the utility model. In the drawings:

[0016] Figure 1 The top view of the filter screen;

[0017] Figure 2 The bottom view of the filter screen;

[0018] Figure 3 The top view of the rolling and dragging device;

[0019] Figure 4 The bottom view of the rolling and dragging device;

[0020] Figure 5 The sectional view of the rolling and dragging device;

[0021] Figure 6 Cleaner overall view. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0023] It should be noted that the embodiments and features in the embodiments can be combined with each other without conflict.

[0024] In the present application, unless otherwise stated, the orientation words such as "upper", "lower", "top", "bottom" are generally used for the direction shown in the drawings or the mutual positional relationship of the components in the vertical, perpendicular or gravity direction.

[0025] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0026] The filter screen 1 provided by the embodiment comprises a bottom wall 11, a front wall 12 and a rear wall 13. The front wall 12 is located on the water receiving side of the bottom wall 11, and the rear wall 13 is located on the side away from the water receiving side of the bottom wall 11. The bottom wall 11 is provided with a plurality of filter holes. The side of the bottom wall 11 close to the front wall 11 is provided with a downwardly recessed filter groove 15.

[0027] The side close to the water receiving side is the side through which sewage enters the filter screen, and it is also the front side of the filter screen. The filter groove is part of the bottom wall, and the filter groove is also provided with filter holes. The diameter of the filter holes on the filter screen is 2 mm, that is, the dirt with a diameter greater than 2 mm in the sewage will remain on the filter screen, and the dirt with a diameter less than 2 mm will enter the sewage box through the filter holes.

[0028] The filter screen provided by the embodiment is provided with a downwardly recessed filter groove on the side close to the water receiving side. The inflowing sewage first passes through the filter groove, and the dirt in the sewage is settled in the filter groove. In this way, the area of the filter screen away from the water receiving side can normally play a filtering function, preventing the sewage from entering the area of the filter screen away from the water receiving side too early, causing the area of the filter screen to be blocked, thereby reducing the cleaning and maintenance frequency of the filter screen, and making the filter screen easier to maintain.

[0029] The filter holes on the bottom wall 11 are arranged in rows. The multiple rows of filter holes are arranged along the front-rear direction of the filter screen. The lower surface of the bottom wall is provided with a reinforcing rib 18 between adjacent rows of filter holes.

[0030] The filter screen provided by the present embodiment is provided with a plurality of filter holes on the bottom wall of the filter screen, which will cause the strength of the filter screen to decrease. The present embodiment further provides a reinforcing rib extending along the left-right direction between adjacent rows of filter holes to increase the strength of the filter screen.

[0031] The filter screen 1 further comprises side walls 14 connecting the ends of the front wall 12 and the rear wall 13, the front wall 12 and the side walls 14 are straight plates, and the rear wall 13 is an arc plate as a whole.

[0032] The rear wall is shaped in accordance with the shape of the rear shell of the cleaning robot. The side walls are two in total, one connecting the left end of the front wall and the left end of the rear wall, and the other connecting the right end of the front wall and the right end of the rear wall. The side walls are straight plates, and can be used as guide plates to facilitate the removal of the filter screen from between the sewage box and the support.

[0033] The front wall, the rear wall, the bottom wall and the two side walls form a containing cavity for containing sewage, and the filter screen has the capacity to contain a certain amount of sewage, so that the sewage can be filtered through the filter holes of the bottom wall into the sewage box instead of flowing out of the filter screen.

[0034] The rolling device provided by the embodiment comprises a support 2, a rolling device 3 rotatably mounted below the support 2, a sewage box 4 mounted behind the support 3, the sewage box 4 comprising a box body 41 and a water scraping strip 42 mounted at the front of the box body 41, the water scraping strip 42 abutting against the rolling device 3, the box body 41 receiving the sewage squeezed out of the rolling device 3 by the water scraping strip 42, and the aforementioned filter screen 1 covering the open end of the upper part of the box body 41.

[0035] After the water scraping strip squeezes out the sewage in the rolling device, the sewage flows into the filter screen along the water scraping strip and then flows into the sewage box through the filter screen.

[0036] The front wall 12 and the rear wall 13 are provided with first suction members 16, and the sewage box 4 is provided with second suction members, one of the first suction members 16 and the second suction members is a metal member, and the other is a magnetic member.

[0037] Through the arrangement of the first suction members and the second suction members, the filter screen can be stably maintained above the sewage box, and the filter screen can be easily disassembled.

[0038] The upper part of the box body 41 is provided with a cross beam 6 fixedly connected to the two ends of the box body 41, the cross beam 6 is detachably connected to the support 2, the cross beam 6 is provided with a sewage suction pipe joint 31 communicating with the sewage tank, the front part of the filter screen 1 is provided with a recessed avoiding groove 19, and the sewage suction pipe joint 31 passes through the avoiding groove 19 and enters the sewage box 4.

[0039] The cleaning device is provided with an air pump communicating with the sewage tank and a sewage suction pipe communicating between the sewage suction pipe joint and the sewage tank, and the air pump can generate negative pressure in the sewage tank, so that the sewage flows into the sewage tank through the sewage box, the sewage suction pipe joint and the sewage suction pipe.

[0040] The crossbeam is fixed at both ends of the box body by screws, and is detachably connected with the support through the knob. The front wall of the filter screen is provided with a clearance groove for the sewage suction pipe joint, which does not affect the filtering function of the filter screen and the suction of the sewage in the sewage box into the sewage tank, thereby maintaining the capacity of the sewage box for continuously containing sewage.

[0041] The front wall 12 and the rear wall 13 are provided with a stepped surface 10 supporting the open end of the sewage box 4. The stepped surface is provided to maintain the height position of the filter screen on the sewage box.

[0042] The cleaning device provided in the embodiment comprises a chassis 8 and the aforementioned rolling mop device, and the rolling mop device is installed at the rear part of the chassis.

[0043] The frame 9 is installed above the chassis 8, and the frame 9 is installed with a clean water tank and a sewage tank. The clean water tank supplies clean water to the rolling mop device, and the sewage tank contains the sewage sucked from the sewage box. The depth of the filter tank 15 is less than the gap between the frame 9 and the sewage box 4.

[0044] The depth of the filter tank is set to be less than the gap between the frame and the sewage box, so that the filter tank does not block the removal of the filter screen.

[0045] The frame 9 is provided with a sewage discharge pipe joint 7, which is in communication with the sewage tank. The filter screen is provided with a clearance hole 17, and the box body 41 is provided with a water guide cylinder 43 extending into the clearance hole 17. The water guide cylinder 43 penetrates the box body 43, and the projection of the sewage discharge pipe joint 7 on the filter screen 1 is located in the clearance hole 17.

[0046] After the cleaning device reaches the supply station, the sewage in the sewage tank is discharged through the sewage discharge pipe joint into the sewage tank of the working station, and finally into the sewer. By providing the clearance hole at the rear part of the filter screen and the water guide cylinder on the sewage box, the sewage discharged from the sewage tank is prevented from flowing into the sewage box.

[0047] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

[0048] In addition, it should be noted that various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present application will not describe various possible combinations.

[0049] In addition, various different embodiments of the present application can be combined in any appropriate manner, as long as they do not deviate from the spirit of the present application, and they should also be considered as disclosed by the present application.

Claims

1. A filter screen, characterized in that The filter screen comprises a bottom wall, a front wall and a rear wall, the front wall is located on the bottom wall close to the water receiving side, the rear wall is located on the bottom wall away from the water receiving side, the bottom wall is provided with a plurality of filter holes, and the bottom wall is provided with a downwardly recessed filter groove close to the front wall.

2. The screen of claim 1, wherein, The filter holes on the bottom wall are arranged in rows, and a plurality of rows of filter holes are arranged along the front-rear direction of the filter screen, and the lower surface of the bottom wall is provided with a reinforcing rib between adjacent rows of filter holes.

3. The screen of claim 1, wherein, The filter screen further comprises a side wall connecting the end portions of the front wall and the rear wall, the front wall and the side wall are straight plates, and the rear wall is an overall circular arc plate.

4. A rolling device, characterized in that The filter screen comprises: a support; a rolling mop rotatably mounted below the support; a sewage box mounted at the rear of the support, the sewage box comprising a box body and a water scraping strip mounted at the front of the box body, the water scraping strip abutting against the rolling mop, and the box body receiving sewage generated by the water scraping strip extruding the rolling mop; and the filter screen of any one of claims 1 to 3, the filter screen covering the open end of the upper portion of the box body.

5. The rolling trolley device of claim 4, wherein, The front wall and the rear wall are provided with first suction members, the sewage box is provided with second suction members, one of the first suction members and the second suction members is a metal member, and the other is a magnetic member.

6. The rolling trolley device of claim 4, wherein, The upper portion of the box body is provided with a cross beam fixedly connected to both ends of the box body, the cross beam is detachably connected to the support, the cross beam is provided with a sewage suction pipe joint in communication with the sewage tank, and the front wall of the filter screen is provided with a rearwardly recessed avoiding groove, the sewage suction pipe joint passes through the avoiding groove and enters the sewage box.

7. The rolling trolley device of claim 4, wherein, The front wall and the rear wall are provided with stepped surfaces supporting the open end of the sewage box.

8. A cleaning apparatus, characterized by The filter screen comprises a bottom disc and the rolling mop device of any one of claims 4 to 7, and the rolling mop device is mounted at the rear of the bottom disc.

9. The cleaning apparatus of claim 8, wherein, A frame is mounted above the bottom disc, the frame is mounted with a clean water tank and a sewage tank, the clean water tank supplies clean water to the rolling mop device, the sewage tank contains sewage suctioned from the sewage box, and the depth of the filter groove is less than the gap between the frame and the sewage tank.

10. The cleaning apparatus of claim 9, wherein, The frame is provided with a sewage discharge pipe joint in communication with the sewage tank, the rear portion of the filter screen is provided with an avoiding hole, the box body is provided with a water guide cylinder extending into the avoiding hole, the water guide cylinder penetrates through the box body, and the projection of the sewage discharge pipe joint on the filter screen is located in the avoiding hole.

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