Filter structure of sewage pump

Abstract

The utility model relates to the technical field of sewage pumps, in particular to a sewage pump filtering structure which comprises a sewage pump body, a water inlet of the sewage pump body is communicated with a second connecting pipe, the left end of the second connecting pipe is communicated with a first connecting pipe, a filtering cylinder is arranged in the first connecting pipe, and a water outlet of the filtering cylinder is communicated with a water outlet of the sewage pump body. A rotating shaft is rotatably connected to the interior of the first connecting pipe, a spiral blade is fixedly connected to the outer wall of the rotating shaft and abuts against the inner wall of the filter cylinder, the upper end of the rotating shaft extends to the exterior of the first connecting pipe and is fixedly connected with a second chain wheel, and a mounting plate is fixedly connected to the outer wall of the first connecting pipe; through cooperation of the first connecting pipe, the second connecting pipe, the filter cylinder, the rotating shaft, the spiral blade, the driving motor, the first chain wheel, the second chain wheel and the chain, the spiral blade can be driven to rotate in the first connecting pipe, so that impurities in the filter cylinder are discharged out of the first connecting pipe, the problem that time and labor are wasted when the sewage pump needs to be disassembled to clean the impurities is solved, and cleaning is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage pumps, in particular to a sewage pump filtering structure. Background Art

[0002] With the development and progress of society, more and more domestic and industrial sewage are generated. Therefore, it is necessary to discharge these sewage, which requires the use of sewage pumps. Sewage pumps are a type of pump used in the environmental protection industry to transport solid-liquid mixed liquids containing solid particles, fibers, etc., such as domestic sewage, industrial wastewater, mud, etc.

[0003] Existing sewage pumps are generally equipped with a filter to filter impurities in sewage. However, after the sewage pump has been used for a period of time, a large amount of impurities will accumulate inside. It is necessary to open the sewage pump to clean the impurities filtered out so that the filter can be used normally. However, disassembling the sewage pump is rather cumbersome and cleaning the impurities is inconvenient. Utility Model Content

[0004] The utility model provides a sewage pump filtering structure, which can clean impurities in the sewage pump without disassembling the pump body, and has good use effect.

[0005] The utility model is implemented as follows: a sewage pump filtering structure includes a sewage pump body, a water inlet of the sewage pump body is connected to a second connecting pipe, the left end of the second connecting pipe is connected to a first connecting pipe, a filter cartridge is provided inside the first connecting pipe, a rotating shaft is rotatably connected inside the first connecting pipe, a spiral blade is fixedly connected to the outer wall of the rotating shaft, and the spiral blade abuts against the inner wall of the filter cartridge;

[0006] The upper end of the rotating shaft extends to the outside of the first connecting tube and is fixedly connected to the second sprocket. The outer wall of the first connecting tube is fixedly connected to a mounting plate. The upper end surface of the mounting plate is installed with a driving motor. The output end of the driving motor is fixedly connected to the first sprocket. The first sprocket and the second sprocket are connected by a chain transmission.

[0007] In order to facilitate the discharge of filtered impurities from the first connecting pipe, as a preferred sewage pump filtering structure of the present invention, the upper end surface of the first connecting pipe is provided with a slag outlet, and the slag outlet is movably provided with a cover plate.

[0008] In order to facilitate the installation of the filter cartridge in the first connecting pipe, as a preferred filter structure of a sewage pump of the present invention, the first connecting pipe and the second connecting pipe are both L-shaped.

[0009] In order to facilitate the filter cartridge to filter impurities, as a preferred filter structure of a sewage pump of the present invention, the outer wall of the filter cartridge is provided with a plurality of evenly distributed filter holes at the connection point between the first connecting pipe and the second connecting pipe.

[0010] In order to facilitate sewage to enter the filter cartridge and impurities to be discharged from the filter cartridge, as a preferred filter structure of a sewage pump of the present invention, the filter cartridge is cylindrical with upper and lower ends open.

[0011] In order to facilitate stable rotation of the rotating shaft, as a preferred sewage pump filtering structure of the present invention, the rotating shaft is rotatably connected to the first connecting pipe through a bearing.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] This sewage pump filtering structure, through the cooperation of the first connecting pipe, the second connecting pipe, the filter cartridge, the rotating shaft, the spiral blade, the driving motor, the first sprocket, the second sprocket and the chain, can drive the spiral blade to rotate in the first connecting pipe, thereby discharging impurities in the filter cartridge out of the first connecting pipe, solving the problem of time-consuming and labor-intensive cleaning of impurities by disassembling the sewage pump in the past, and facilitating cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the overall structural diagram of a sewage pump filter structure of the utility model;

[0015] Figure 2 This is a structural diagram of the first connecting pipe and the second connecting pipe of the utility model;

[0016] Figure 3 This is a front cross-sectional view of the first connecting pipe and the second connecting pipe of the utility model.

[0017] In the figure, 1. Sewage pump body; 2. First connecting pipe; 3. Second connecting pipe; 4. Filter cartridge; 5. Rotating shaft; 6. Spiral blade; 7. Filter hole; 8. Mounting plate; 9. Drive motor; 10. First sprocket; 11. Second sprocket; 12. Cover plate. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0020] See also Figure 1-3 A sewage pump filtering structure includes a sewage pump body 1, a water inlet of the sewage pump body 1 is connected to a second connecting pipe 3, the left end of the second connecting pipe 3 is connected to a first connecting pipe 2, a filter cartridge 4 is provided inside the first connecting pipe 2, a rotating shaft 5 is rotatably connected to the inside of the first connecting pipe 2, a spiral blade 6 is fixedly connected to the outer wall of the rotating shaft 5, and the spiral blade 6 abuts against the inner wall of the filter cartridge 4;

[0021] The upper end of the rotating shaft 5 extends to the outside of the first connecting tube 2 and is fixedly connected to the second sprocket 11. The outer wall of the first connecting tube 2 is fixedly connected to the mounting plate 8. The upper end surface of the mounting plate 8 is installed with a driving motor 9. The output end of the driving motor 9 is fixedly connected to the first sprocket 10. The first sprocket 10 and the second sprocket 11 are connected by a chain transmission.

[0022] In this embodiment: start the sewage pump body 1, the sewage is sucked into the second connecting pipe 3 from the first connecting pipe 2 and filtered through the filter cartridge 4, the filtered water enters the second connecting pipe 3, and is discharged through the sewage pump body 1. When the filtered impurities need to be cleaned, open the cover 12 and start the drive motor 9. The drive motor 9 drives the first sprocket 10 to rotate, and then drives the second sprocket 11 to rotate through the chain. The second sprocket 11 further drives the rotating shaft 5 to rotate, and then drives the spiral blade 6 to rotate. The spiral blade 6 drives the impurities filtered in the filter cartridge 4 to move upward and discharge from the first connecting pipe 2 from the slag outlet. The device can discharge impurities without disassembling the sewage pump, and is easy to use.

[0023] As a technical optimization solution of the present invention, a slag outlet is provided on the upper end surface of the first connecting pipe 2 , and a cover plate 12 is movably provided on the slag outlet.

[0024] In this embodiment, a sealing ring is provided on the outer wall of the cover plate 12, which is clamped to the inner wall of the slag outlet by interference fit, making it easy to open.

[0025] As a technical optimization solution of the present invention, the first connecting pipe 2 and the second connecting pipe 3 are both L-shaped.

[0026] In this embodiment, by configuring the first connecting pipe 2 and the second connecting pipe 3 to be L-shaped, it is convenient to install the filter cartridge 4 on the inner wall of the first connecting pipe 2 .

[0027] As a technical optimization solution of the present invention, a plurality of evenly distributed filter holes 7 are provided on the outer wall of the filter cartridge 4 at the connection point between the first connecting pipe 2 and the second connecting pipe 3 .

[0028] In this embodiment, a plurality of evenly distributed filter holes 7 are provided on the outer wall of the filter cartridge 4 at the connection point between the first connecting pipe 2 and the second connecting pipe 3 to facilitate the filtration of sewage.

[0029] As a technical optimization solution of the present invention, the filter cartridge 4 is cylindrical with upper and lower ends open.

[0030] In this embodiment, by configuring the filter cartridge 4 to be cylindrical with upper and lower ends open, sewage can be easily introduced into the filter cartridge 4 and impurities can be easily discharged from the filter cartridge 4 .

[0031] As a technical optimization solution of the present invention, the rotating shaft 5 is rotatably connected to the first connecting pipe 2 through a bearing.

[0032] In this embodiment, the rotating shaft 5 and the first connecting pipe 2 are rotatably connected via a bearing, so that the rotating shaft 5 can rotate stably.

[0033] The working principle and usage process of the utility model are as follows: when in use, the sewage pump body 1 is started, the sewage is sucked into the second connecting pipe 3 from the first connecting pipe 2, and is filtered through the filter cartridge 4. The filtered water enters the second connecting pipe 3 and is discharged through the sewage pump body 1. When the filtered impurities need to be cleaned, the cover plate 12 is first opened, and then the drive motor 9 is started. The drive motor 9 drives the first sprocket 10 to rotate, and then drives the second sprocket 11 to rotate through the chain. The second sprocket 11 further drives the rotating shaft 5 to rotate, and then drives the spiral blade 6 to rotate. The spiral blade 6 drives the impurities filtered in the filter cartridge 4 to move upward and discharge the first connecting pipe 2 from the slag outlet. The device can discharge impurities without disassembling the sewage pump, and is easy to use.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sewage pump filter structure, comprising a sewage pump body (1), characterized in that: The water inlet of the sewage pump body (1) is connected to a second connecting pipe (3), the left end of the second connecting pipe (3) is connected to the first connecting pipe (2), a filter cartridge (4) is provided inside the first connecting pipe (2), a rotating shaft (5) is rotatably connected inside the first connecting pipe (2), a spiral blade (6) is fixedly connected to the outer wall of the rotating shaft (5), and the spiral blade (6) abuts against the inner wall of the filter cartridge (4); The upper end of the rotating shaft (5) extends to the outside of the first connecting tube (2) and is fixedly connected to the second sprocket (11); the outer wall of the first connecting tube (2) is fixedly connected to a mounting plate (8); the upper end surface of the mounting plate (8) is mounted with a driving motor (9); the output end of the driving motor (9) is fixedly connected to the first sprocket (10); the first sprocket (10) and the second sprocket (11) are connected via a chain transmission.

2. A sewage pump filter structure according to claim 1, characterized in that: A slag outlet is provided on the upper end surface of the first connecting pipe (2), and a cover plate (12) is movably provided on the slag outlet.

3. A sewage pump filter structure according to claim 1, characterized in that: The first connecting pipe (2) and the second connecting pipe (3) are both L-shaped.

4. A sewage pump filter structure according to claim 1, characterized in that: The outer wall of the filter cartridge (4) is provided with a plurality of evenly distributed filter holes (7) at the connection point between the first connecting pipe (2) and the second connecting pipe (3).

5. The sewage pump filter structure according to claim 1, characterized in that: The filter cartridge (4) is cylindrical with upper and lower ends open.

6. A sewage pump filter structure according to claim 1, characterized in that: The rotating shaft (5) is rotatably connected to the first connecting pipe (2) via a bearing.

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