Movable small-sized domestic sewage treatment equipment

Abstract

The invention relates to the technical field of sewage treatment. The movable small-sized domestic sewage treatment equipment comprises a movable plate trailer, a movable plate trailer and a movable plate trailer, and a pushing handrail is mounted at the top end of the movable plate trailer; the bottom ends of the supporting frames are fixedly installed at the four corners of the top end of the movable plate trailer. The treatment box is fixedly arranged on the supporting frame, and a detachable rear cover plate is arranged on one side of the treatment box; the filtering mechanism is rotatably mounted in the middle of the interior of the treatment box; an air cylinder of the reciprocating assembly drives a rack and a gear to operate, a feeding hopper is promoted to rotate, sewage is evenly sprayed to a filtering mechanism, concentrated impact is avoided, and filtering stability and high efficiency are guaranteed. The material guide plate of the filtering mechanism guides sewage firstly, the cylindrical filtering piece is driven by the driving mechanism to rotate for primary filtering, and then the filtering plate performs secondary filtering on the sewage subjected to primary filtering, so that impurities are effectively removed.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, and in particular to a small movable domestic sewage treatment device. Background Art

[0002] In the existing small-scale domestic sewage treatment technology, the common equipment structure is usually relatively fixed and lacks convenient mobility. It is generally composed of a fixed treatment tank and relatively complex pipe connections. It needs to be installed and used in a specific site. The installation process is relatively cumbersome and involves a large amount of civil engineering and pipeline laying. This type of equipment is mostly used in some centralized small living areas, such as centralized sewage treatment stations in small communities or fixed sewage treatment points in small factories.

[0003] However, with the diversification of living scenarios and the increasing demand for flexibility in sewage treatment, domestic sewage treatment devices are difficult to quickly deploy and use in some temporary residential places, temporary business points of small catering stores or emergency sewage treatment scenarios. Due to the inability to move, the treatment efficiency of decentralized and unfixed sewage sources is low, and it is impossible to meet the treatment needs of domestic sewage in these scenarios in a timely manner. It is also difficult to adapt to the spatial limitations and environmental changes of different sites, limiting its application in a wider range. Summary of the invention

[0004] The present application provides a small-scale movable domestic sewage treatment equipment, the main purpose of which is to solve the problem of difficulty in rapid deployment and use.

[0005] To achieve the above-mentioned purpose, the present application provides a movable small-scale domestic sewage treatment equipment, including: a mobile cart, a pushing handrail is installed on the top of the mobile cart; a support frame, the bottom end of the support frame is fixedly installed at the four corners of the top of the mobile cart; a treatment box, the treatment box is fixedly set on the support frame, and a removable rear cover is set on one side of the treatment box; a filtering mechanism, the filtering mechanism is rotatably installed in the middle part of the inside of the treatment box; a driving mechanism, the driving mechanism is installed on the outside of the treatment box and is interconnected with the filtering mechanism; a cleaning mechanism, the cleaning mechanism is arranged on the side of the treatment box, and is used to clean impurities on the filtering mechanism; a feeding mechanism, the feeding mechanism is arranged at the top of the treatment box and extends to the inside of the treatment box.

[0006] In a feasible embodiment, the feeding mechanism includes: a feed hopper, which is rotatably installed on the top of the processing box; a first gear, which is mounted on the outside of the outer wall of the feed hopper; a rotating shaft, both ends of which are mounted on the side of the processing box through hinges; a second gear, which is fixedly mounted on the outside of the outer wall of the rotating shaft and meshes with the first gear; a feed pipe, the discharge end of the feed pipe is movably connected to the feed hopper; and a reciprocating assembly, which is mounted on the side of the processing box and the outside of the outer wall of the rotating shaft.

[0007] In a feasible embodiment, the reciprocating assembly includes: a fixed seat, which is fixedly arranged on the side of the processing box; a guide seat, which is installed on the side of the processing box and corresponds to the fixed seat; a cylinder, which is installed on the surface of the fixed seat and is perpendicular to the rotating shaft, and the telescopic end of the cylinder can be moved horizontally in the reverse direction and inserted on the guide seat; a rack, which is fixedly mounted on the telescopic end of the cylinder; a third gear, which is mounted on the outside of the outer wall of the rotating shaft and is meshed with the rack.

[0008] In a feasible embodiment, the filtering mechanism includes: a cylindrical filter element, which is rotatably installed on the middle part of the inner side of the treatment box through a central axis; a filter plate, which can be pulled out in a horizontal direction and installed on the inner side of the treatment box and is located directly below the cylindrical filter element; a material guide plate, which is obliquely arranged on the inner side of the treatment box and is located above the cylindrical filter element, and is used to guide the wastewater to one side of the cleaning component.

[0009] In a feasible embodiment, the driving mechanism includes: a rotating motor, which is fixedly arranged on the outside of the outer wall of the processing box through a motor bracket; a reducer, which is arranged on the motor bracket and connected to the driving end of the rotating motor, and the output end of the reducer is fixedly connected to the central axis of the cylindrical filter element.

[0010] In a feasible embodiment, the cleaning mechanism includes: a cleaning box, which is fixedly arranged on the outside of the outer wall of the processing box; a cleaning brush, the two ends of which are rotatably arranged on the inner side of the cleaning box; a flap, the end of which can be flipped and installed on one side of the cleaning box and covers the top of the cleaning box; a linkage assembly, which is respectively arranged on the cleaning brush and the center axis.

[0011] In a feasible embodiment, the linkage assembly includes: a driving sprocket, which is sleeved on the outer side of the outer wall on the central axis; a driven sprocket, which is fixedly sleeved on the end of the cleaning brush; and a chain, which is respectively sleeved on the outer side of the outer wall of the driving sprocket and the driven sprocket.

[0012] In a feasible implementation manner, a plurality of bearing columns for winding the feed pipe are installed on the rear cover plate, and a plurality of limit plates are fixedly provided on the bearing columns.

[0013] The present application provides a movable small domestic sewage treatment equipment, which can be conveniently moved to the desired position for sewage treatment operations by moving a cart and pushing a handrail. In its feeding mechanism, the cylinder of the reciprocating assembly drives the rack and gear to rotate, prompting the feed hopper to rotate, so that the sewage is evenly sprayed to the filter mechanism, avoiding concentrated impact, and ensuring filtering stability and high efficiency; the guide plate of the filter mechanism first guides the sewage, and the cylindrical filter element rotates under the drive mechanism (rotating motor and reducer) to perform the initial filtration, and the filter plate then filters the primary filtered sewage for the second time to effectively remove impurities; after the cylindrical filter element accumulates impurities, the cleaning mechanism uses the linkage assembly (active sprocket, driven sprocket and chain) to make the cleaning brush rotate in the same direction with the cylindrical filter element, scrape the impurities into the cleaning box, and maintain the filtering effect; the bearing column and limit plate on the rear cover plate are convenient for the collection and arrangement of the feed pipe, preventing entanglement and confusion, ensuring that all links of the equipment work closely together, and realizing an efficient small domestic sewage treatment process, which performs well in flexibility, filtration performance and equipment maintenance convenience, and is suitable for sewage treatment needs of various small life scenes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the axial structure of a movable small-sized domestic sewage treatment device provided in an embodiment of the present application is shown;

[0015] Figure 2 A three-dimensional schematic diagram of a cylindrical filter element of a movable small-scale domestic sewage treatment equipment provided in an embodiment of the present application is shown;

[0016] Figure 3 A schematic diagram of the structure of a cleaning box of a movable small-sized domestic sewage treatment equipment provided in an embodiment of the present application is shown;

[0017] Figure 4 A schematic diagram of the structure of a reciprocating assembly of a movable small-sized domestic sewage treatment device provided in an embodiment of the present application is shown;

[0018] Figure 5 A schematic diagram of a driving mechanism of a movable small-sized domestic sewage treatment device provided in an embodiment of the present application is shown;

[0019] Figure 6 A schematic diagram of the front cross-sectional structure of a movable small-scale domestic sewage treatment equipment provided in an embodiment of the present application is shown.

[0020] In the figure: 1. mobile cart, 2. pushing handrail, 3. support frame, 4. processing box, 5. rear cover, 6. feed hopper, 7. first gear, 8. rotating shaft, 9. second gear, 10. feed pipe, 11. fixed seat, 12. guide seat, 13. cylinder, 14. rack, 15. third gear, 16. cylindrical filter element, 17. filter plate, 18. guide plate, 19. rotating motor, 20. reducer, 21. cleaning box, 22. cleaning brush, 23. flip cover, 24. driving sprocket, 25. driven sprocket, 26. chain, 27. bearing column, 28. limit plate. DETAILED DESCRIPTION

[0021] In order to better understand the technical solutions provided by the embodiments of this specification, the technical solutions of the embodiments of this specification are described in detail below through the accompanying drawings and specific embodiments. It should be understood that the embodiments of this specification and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this specification, rather than limitations on the technical solutions of this specification. In the absence of conflict, the embodiments of this specification and the technical features in the embodiments can be combined with each other.

[0022] In this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements limited by the statement "comprise one..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements. The term "more than two" includes two or more than two situations.

[0023] See also Figure 1-Figure 6 A movable small-scale domestic sewage treatment equipment provided in an embodiment of the present application includes: a mobile cart 1, a support frame 3, a treatment box 4, a filtering mechanism, a driving mechanism, a cleaning mechanism and a feeding mechanism. A pushing handrail 2 is installed at the top of the mobile cart 1; the bottom end of the supporting frame 3 is fixedly installed at the four corners of the top of the mobile cart 1; the treatment box 4 is fixedly arranged on the supporting frame 3, and a removable rear cover plate 5 is arranged on one side of the treatment box 4; the filtering mechanism is rotatably installed in the middle part of the inside of the treatment box 4; the driving mechanism is installed on the outside of the treatment box 4 and is interconnected with the filtering mechanism; the cleaning mechanism is arranged on the side of the treatment box 4, and is used to clean impurities on the filtering mechanism; the feeding mechanism is arranged at the top of the treatment box 4 and extends to the inside of the treatment box 4.

[0024] It should be noted that when in use, push the push handrail 2 on the top of the mobile cart 1 to move the equipment to a suitable position. The sewage enters the treatment box 4 through the feeding mechanism. The driving mechanism starts to work, providing power to the filtering mechanism rotatably installed in the middle part of the treatment box 4, so that the filtering mechanism is in a dynamic operation state to filter the sewage entering the treatment box 4. During the filtering process, impurities will remain on the filtering mechanism, and the cleaning mechanism moves synchronously with the filtering mechanism to clean the impurities on the filtering mechanism. When further maintenance is required on the inside of the treatment box 4, the detachable rear cover 5 on one side of the treatment box 4 can be removed. During the whole process, the mobile cart 1 plays the role of a moving device, and the support frame 3 is used to fix the treatment box 4 to ensure the stable operation of all parts of the equipment.

[0025] In some examples, further, the feeding mechanism includes: a feed hopper 6, a first gear 7, a rotating shaft 8, a second gear 9, a feed pipe 10 and a reciprocating assembly, the feed hopper 6 is rotatably installed on the top of the processing box 4; the first gear 7 is mounted on the outer side of the outer wall of the feed hopper 6; both ends of the rotating shaft 8 are installed on the side of the processing box 4 through a hinge seat; the second gear 9 is fixedly mounted on the outer side of the outer wall of the rotating shaft 8 and meshes with the first gear 7; the discharge end of the feed pipe 10 is movably connected to the feed hopper 6; the reciprocating assembly is installed on the side of the processing box 4 and the outer side of the outer wall of the rotating shaft 8.

[0026] It should be noted that when the small domestic sewage treatment equipment is in operation, the reciprocating assembly installed on the side of the treatment box 4 and the outer side of the outer wall of the rotating shaft 8 starts to operate. The reciprocating assembly drives the rotating shaft 8 to rotate on the hinge seats at both ends thereof. Since the second gear 9 is fixedly mounted on the outer side of the outer wall of the rotating shaft 8, the second gear 9 rotates synchronously when the rotating shaft 8 rotates. Since the second gear 9 is meshed with the first gear 7, the rotation of the second gear 9 will drive the first gear 7 meshed therewith to rotate. The first gear 7 is mounted on the outer side of the outer wall of the feed hopper 6, and the rotation of the first gear 7 drives the feed hopper 6 to rotate at the top of the treatment box 4. The sewage flows into the feed hopper 6 from the discharge end of the feed pipe 10. Since the discharge end of the feed pipe 10 is movably connected to the feed hopper 6, the feed hopper 6 can rotate flexibly. During the rotation of the feed hopper 6, it sprays the sewage evenly onto the subsequent filtering mechanism, avoiding excessive concentrated spraying of the sewage, thereby ensuring that the filtering mechanism can filter the sewage more efficiently and stably, laying a good foundation for subsequent sewage treatment links and effectively improving the treatment effect of the entire sewage treatment equipment.

[0027] In some examples, further, the reciprocating assembly includes: a fixed seat 11, a guide seat 12, a cylinder 13, a rack 14 and a third gear 15, the fixed seat 11 is fixedly set on the side of the processing box 4; the guide seat 12 is installed on the side of the processing box 4 and corresponds to the fixed seat 11; the cylinder 13 is installed on the surface of the fixed seat 11 and is perpendicular to the rotating shaft 8, and the telescopic end of the cylinder 13 can be moved horizontally in the reverse direction and inserted on the guide seat 12; the rack 14 is fixedly mounted on the telescopic end of the cylinder 13; the third gear 15 is mounted on the outside of the outer wall of the rotating shaft 8 and is meshed with the rack 14.

[0028] It should be noted that when the small domestic sewage treatment equipment is in operation, the fixed seat 11 fixedly arranged on the side of the treatment box 4 provides a stable support. The cylinder 13 installed on the fixed seat 11 starts to work, and its telescopic end can move in the horizontal direction. Since the guide seat 12 is installed on the side of the treatment box 4 and corresponds to the fixed seat 11, the telescopic end of the cylinder 13 is inserted into the guide seat 12, and the guide seat 12 can accurately guide the movement of the telescopic end of the cylinder 13 to ensure its stable horizontal movement. The rack 14 is fixedly mounted on the telescopic end of the cylinder 13. With the horizontal movement of the telescopic end of the cylinder 13, the rack 14 also performs horizontal linear motion accordingly. The third gear 15 is mounted on the outer side of the outer wall of the rotating shaft 8 and meshes with the rack 14. The linear motion of the rack 14 drives the third gear 15 to rotate through the meshing relationship. This in turn drives the second gear 9 fixedly mounted on the outer side of the outer wall of the rotating shaft 8 to rotate, and the second gear 9 then meshes with the first gear 7 to realize the rotation of the feed hopper 6, ultimately achieving the purpose of evenly spraying the sewage onto the filtering mechanism, ensuring that the sewage treatment process is carried out efficiently and stably.

[0029] In some examples, further, the filtering mechanism includes: a cylindrical filter element 16, a filter plate 17 and a guide plate 18, the cylindrical filter element 16 is rotatably installed on the middle part of the inner side of the treatment box 4 through the central axis; the filter plate 17 can be pulled and installed on the inner side of the treatment box 4 along the horizontal direction, and is located directly below the cylindrical filter element 16; the guide plate 18 is obliquely arranged on the inner side of the treatment box 4, and is located above the cylindrical filter element 16, for guiding the waste water to one side of the cleaning component.

[0030] It should be noted that during the operation of the small domestic sewage treatment equipment, after the sewage enters the treatment box 4 through the feeding mechanism, it will first contact the guide plate 18 which is tilted and arranged on the inner side of the treatment box 4 and located above the cylindrical filter element 16. The guide plate 18 plays its guiding role and guides the wastewater to a specific side for subsequent treatment. Then, the sewage flows to the cylindrical filter element 16, which is rotatably mounted on the middle part of the inner side of the treatment box 4 through the central axis. Under the action of the driving mechanism, the cylindrical filter element 16 continues to rotate to perform the initial filtration of the sewage. During the filtration process, some impurities are trapped on the cylindrical filter element 16, while the sewage after the preliminary filtration continues to drip downward. The filter plate 17 located directly below the cylindrical filter element 16 plays a role at this time. It can be pulled and installed on the inner side of the treatment box 4 in the horizontal direction to filter the sewage preliminarily filtered by the cylindrical filter element 16 again to further remove impurities in the sewage. Through the coordinated filtration of the cylindrical filter element 16 and the filter plate 17, the sewage is purified more fully, providing treated water that meets the requirements for subsequent links.

[0031] In some examples, further, the driving mechanism includes: a rotating motor 19 and a reducer 20, the rotating motor 19 is fixedly arranged on the outside of the outer wall of the processing box 4 through a motor bracket; the reducer 20 is arranged on the motor bracket and connected to the driving end of the rotating motor 19, and the output end of the reducer 20 is fixedly connected to the central axis of the cylindrical filter element 16.

[0032] It should be noted that when the small domestic sewage treatment equipment is in operation, the rotating motor 19 fixedly mounted on the outer side of the outer wall of the treatment box 4 through the motor bracket is started. The rotating motor 19 generates power when it runs, and its driving end is connected to the reducer 20 arranged on the motor bracket to transmit the power to the reducer 20. The reducer 20 adjusts the power output by the rotating motor 19, and by changing the speed and torque, makes its output more suitable for the power of the cylindrical filter 16. Since the output end of the reducer 20 is fixedly connected to the central axis of the cylindrical filter 16, the power adjusted by the reducer 20 directly drives the central axis of the cylindrical filter 16 to rotate. In addition, the cylindrical filter 16 rotatably mounted on the middle part of the inner side of the treatment box 4 through the central axis rotates continuously and stably, realizing the initial filtration of the sewage flowing into the treatment box 4, providing the prerequisite for the subsequent re-filtration by the filter plate 17, and ensuring the smooth progress of the entire sewage treatment process.

[0033] In some examples, further, the cleaning mechanism includes: a cleaning box 21, a cleaning brush 22, a flap 23 and a linkage assembly, the cleaning box 21 is fixedly arranged on the outside of the outer wall of the processing box 4; the two ends of the cleaning brush 22 are rotatably arranged on the inner side of the cleaning box 21; the end of the flap 23 is flippably installed on one side of the cleaning box 21 and covers the top of the cleaning box 21; the linkage assembly is respectively arranged on the cleaning brush 22 and the center axis.

[0034] It should be noted that after the small domestic sewage treatment equipment has been running for a period of time, impurities will accumulate on the cylindrical filter element 16, and the cleaning mechanism will start to work. The cleaning box 21 fixedly arranged on the outside of the outer wall of the treatment box 4 provides a storage space for the entire cleaning operation. The two ends of the cleaning brush 22 are rotatably arranged on the inner side of the cleaning box 21 and are in contact with the cylindrical filter element 16. When cleaning is required, the rotation of the central axis will be transmitted to the cleaning brush 22 through the linkage assembly, and the rotation direction of the cleaning brush 22 and the cylindrical filter element 16 is guaranteed to be consistent. Since the linkage assembly is respectively arranged on the cleaning brush 22 and the central axis, the rotation of the central axis drives the cleaning brush 22 to rotate in the same direction as the cylindrical filter element 16 on the inner side of the cleaning box 21. Before the cleaning brush 22 rotates, the flap 23 can open the cleaning box 21 to facilitate the removal or replacement of the brush. During the process of the cleaning brush 22 and the cylindrical filter element 16 rotating in the same direction and contacting each other, the cleaning brush 22 scrapes off the impurities on the cylindrical filter element 16 to the maximum extent and makes them fall into the cleaning box 21, thereby ensuring the filtering effect of the cylindrical filter element 16 and maintaining the normal operation of the sewage treatment equipment.

[0035] In some examples, further, the linkage assembly includes: a driving sprocket 24, a driven sprocket 25 and a chain 26, the driving sprocket 24 is sleeved on the outer side of the outer wall on the central axis; the driven sprocket 25 is fixedly sleeved on the end of the cleaning brush 22; the chain 26 is respectively sleeved on the outer side of the outer wall of the driving sprocket 24 and the driven sprocket 25.

[0036] It should be noted that when the small domestic sewage treatment equipment runs for a period of time and the cylindrical filter element 16 accumulates impurities and needs to be cleaned, the cleaning mechanism is started. The cleaning box 21 provides space for the cleaning operation. The two ends of the cleaning brush 22 are rotatably arranged on the inner side of the cleaning box 21 and contact the cylindrical filter element 16. The central shaft rotates due to the action of the driving mechanism, and the driving sprocket 24 sleeved on the outer side of the outer wall of the central shaft rotates synchronously therewith. Since the chain 26 is respectively sleeved on the outer side of the outer wall of the driving sprocket 24 and the driven sprocket 25, and the driven sprocket 25 is fixedly sleeved on the end of the cleaning brush 22, the rotation of the driving sprocket 24 drives the driven sprocket 25 to rotate through the chain 26. The cleaning brush 22 rotates in the same direction as the cylindrical filter element 16 inside the cleaning box 21. Before the cleaning brush 22 rotates, the flip cover 23 whose end can be flipped and installed on one side of the cleaning box 21 and covers the top is opened. When the two rotate in the same direction and contact each other, the cleaning brush 22 scrapes off the impurities on the cylindrical filter element 16 to the maximum extent possible and makes them fall into the cleaning box 21, thereby ensuring the filtering effect of the cylindrical filter element 16 and maintaining the normal operation of the sewage treatment equipment.

[0037] In some examples, further, a plurality of bearing columns 27 for winding the feed pipe 10 are installed on the rear cover plate 5 , and a limiting disk 28 is fixedly provided on the plurality of bearing columns 27 .

[0038] It should be noted that when the small domestic sewage treatment equipment is idle or the feed pipe 10 needs to be sorted and stored, the bearing column 27 and the limiting plate 28 on the rear cover plate 5 play a role. The rear cover plate 5 is installed on one side of the treatment box 4, and a number of bearing columns 27 are installed on it, and the bearing columns 27 are used to wind the feed pipe 10. During the winding process, the feed pipe 10 is wound around the bearing column 27 in an orderly manner. The limiting plate 28 fixedly set on the bearing column 27 can effectively prevent the feed pipe 10 from axial displacement during the winding process. The limiting plate 28 limits the feed pipe 10 to a certain area of ​​the bearing column 27 to ensure that the winding is tight and regular. When the feed pipe 10 needs to be used again, it can be untied from the bearing column 27. Due to the existence of the limiting plate 28, the feed pipe 10 will not be tangled and difficult to untie, which ensures the convenience of storage and access of the feed pipe 10, and also contributes to the orderly management and maintenance of the entire sewage treatment equipment.

[0039] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A small portable domestic sewage treatment equipment, characterized in that: include: A mobile cart, wherein a push handle is installed on the top of the mobile cart; A support frame, the bottom end of which is fixedly mounted on the four corners of the top of the mobile cart; A processing box, wherein the processing box is fixedly arranged on the support frame, and a detachable rear cover plate is arranged on one side of the processing box; A filter mechanism, the filter mechanism being rotatably mounted in the middle of the processing box; A driving mechanism, which is installed on the outside of the processing box and is connected to the filtering mechanism; a cleaning mechanism, which is arranged on the side of the processing box and is used to clean impurities on the filtering mechanism; The feeding mechanism is arranged at the top of the processing box and extends to the inner side of the processing box.

2. A small-scale mobile domestic sewage treatment equipment according to claim 1, characterized in that: The feeding mechanism comprises: A feed hopper rotatably mounted on the top of the processing box; A first gear, wherein the first gear is sleeved on the outer side of the outer wall of the feed hopper; A rotating shaft, both ends of which are mounted on the side of the processing box through hinge seats; A second gear, the second gear is fixedly sleeved on the outer side of the outer wall of the rotating shaft and meshes with the first gear; A feed pipe, the discharge end of which is movably connected to the feed hopper; A reciprocating assembly is installed on the side of the processing box and the outside of the outer wall of the rotating shaft.

3. A small-scale mobile domestic sewage treatment equipment according to claim 2, characterized in that: The reciprocating assembly comprises: A fixing seat, the fixing seat being fixedly arranged on a side of the processing box; A guide seat, which is installed on the side of the processing box and corresponds to the fixed seat; A cylinder, the cylinder is mounted on the surface of the fixed seat and is perpendicular to the rotating shaft, and the telescopic end of the cylinder can be moved in the horizontal reverse direction and inserted into the guide seat; A rack, the rack being fixedly sleeved on the telescopic end of the cylinder; The third gear is sleeved on the outer side of the outer wall of the rotating shaft and meshes with the rack.

4. The small-scale mobile domestic sewage treatment equipment according to claim 1 is characterized in that: The filtering mechanism comprises: A cylindrical filter element, wherein the cylindrical filter element is rotatably mounted on the middle part of the inner side of the treatment box via a central axis; A filter plate, which can be pulled out in a horizontal direction and installed on the inner side of the treatment box and is located directly below the cylindrical filter element; The guide plate is obliquely arranged on the inner side of the treatment box and is located above the cylindrical filter element, and is used to guide the waste water to one side of the cleaning component.

5. A small-scale mobile domestic sewage treatment equipment according to claim 4, characterized in that: The driving mechanism comprises: A rotating motor, wherein the rotating motor is fixedly mounted on the outer side of the outer wall of the processing box through a motor bracket; The reducer is arranged on the motor bracket and connected to the driving end of the rotating motor. The output end of the reducer is fixedly connected to the central axis of the cylindrical filter element.

6. A small-scale mobile domestic sewage treatment equipment according to claim 4, characterized in that: The cleaning mechanism comprises: A cleaning box, the cleaning box is fixedly arranged on the outside of the outer wall of the processing box; A cleaning brush, both ends of which are rotatably arranged on the inner side of the cleaning box; A flip cover, the end of which is flippably mounted on one side of the cleaning box and covers the top of the cleaning box; A linkage assembly is respectively arranged on the cleaning brush and the central shaft.

7. A small-scale mobile domestic sewage treatment equipment according to claim 6, characterized in that: The linkage components include: A driving sprocket, wherein the driving sprocket is sleeved on the outer side of the outer wall of the central shaft; A driven sprocket, the driven sprocket is fixedly sleeved on the end of the cleaning brush; The chains are respectively sleeved on the outer sides of the outer walls of the driving sprocket and the driven sprocket.

8. The small-scale mobile domestic sewage treatment equipment according to claim 2 is characterized in that: A plurality of bearing columns for winding the feed pipe are installed on the rear cover plate, and a plurality of limit plates are fixedly arranged on the bearing columns.

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