Submersible sewage pump with anti-blocking structure

By incorporating a connecting pipe and a spiral vane roller structure within the submersible pump casing, the clogging problem of submersible pumps when handling large volumes of solid waste is solved, achieving efficient filtration and discharge of wastewater.

CN223825332UActive Publication Date: 2026-01-23JIANGSU JIARUI CONVEYOR MACHINERY CO LTD
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Patent Information

Application Number
CN202520245211.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2026-01-23
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing submersible pumps are prone to clogging when treating sewage containing large volumes of solid waste, which affects pumping efficiency.

Method used

The submersible pump housing is equipped with a connecting pipe with openings at both ends and a spiral vane roller structure. The spiral vane roller filters the sewage and pushes out solid waste. Combined with a screen cylinder and blades, small-volume solid waste is cut and processed.

Benefits of technology

It effectively prevents submersible pumps from clogging, keeps water intake unobstructed, and improves pumping efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A submersible sewage pump with an anti-blocking structure relates to the technical field of sewage treatment equipment, and is characterized in that an impurity pump is fixedly arranged on a base, a shell is fixedly arranged on the base, a connecting pipe is fixed on the shell in a penetrating manner, the connecting pipe is communicated with an inner cavity of the shell, and a driving shaft is inserted into the connecting pipe in a screwed manner through a bearing; the driving motor is fixedly arranged on the outer side wall of the impurity pump, an output shaft of the driving motor is in transmission connection with the driving shaft, and the spiral shifting piece roller is fixedly arranged on the driving shaft and arranged in the connecting pipe; a cabin structure of a shell is arranged, a connecting pipe structure with openings in the two ends is arranged in the shell, and a spiral shifting piece roller structure for material returning is arranged, so that sewage can be filtered and then fed into a water inlet pipe when the sewage is pumped through a submersible pump, filtered solid waste can be pushed and sent out, and smooth water inlet is kept.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment equipment technical field, concretely relates to a submersible sewage pump with anti -blocking structure. BACKGROUND

[0002] One of the centralized treatment processes of sewage is to pump the sewage collected in the reservoir into the next treatment process, usually using a submersible pump for water supply and drainage work, and the sewage usually contains solid waste of different sizes, and if the solid waste of large volume enters the submersible pump, it will cause the pump to be blocked or even damaged, although the existing submersible pump is installed with a mesh cover at the inlet end to filter solid waste, but in actual use, the large volume of solid waste is easy to block in the mesh cover part after filtration, thereby affecting the normal water inlet and causing the water pump pumping efficiency to decrease, and the submersible pump structure needs to be improved. SUMMARY

[0003] The utility model discloses a submersible sewage pump with anti -blocking structure, which is provided with a cabin structure of a shell, an open -ended connecting pipe structure is arranged in the shell, and a spiral paddle roller structure for material removal is arranged, so that the sewage can be filtered and sent into the water inlet pipe when pumping the sewage by the submersible pump, and the filtered solid waste can be pushed out, thereby keeping the water inlet unobstructed.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] It contains base, impurity pump, wherein the impurity pump is fixedly arranged on the base, and it further contains:

[0006] Shell, the shell is fixedly arranged on the base;

[0007] Connecting pipe, the connecting pipe is fixedly arranged on the shell, and the inner cavity of the connecting pipe and the shell is throughly arranged;

[0008] Drive shaft, the drive shaft is rotatably arranged in the connecting pipe through the bearing;

[0009] Drive motor, the drive motor is fixedly arranged on the outer side wall of the impurity pump, and the output shaft of the drive motor is drivingly connected with the drive shaft;

[0010] Spiral paddle roller, the spiral paddle roller is fixedly arranged on the drive shaft, and the spiral paddle roller is arranged in the connecting pipe.

[0011] Preferably, the connecting pipe is provided with a screen cylinder in series, and the screen cylinder is arranged in the shell, the screen cylinder is rotatably arranged on the connecting pipe through the bearing, and the spiral paddle roller is arranged in the screen cylinder.

[0012] Preferably, a water inlet pipe is fixedly inserted through the lower end of the side wall of the housing, and the other end of the water inlet pipe is connected to the inlet end of the impurity pump.

[0013] Preferably, a support shaft is spun inside the housing via a bearing, and one end of the support shaft passes through the side wall of the housing. An array of blades is fixedly mounted on the support shaft, and the blades are positioned on the outer side of the screen cylinder.

[0014] Preferably, a connecting shaft is screwed through the side wall of the housing via a bearing, a flywheel is fixedly mounted on the connecting shaft and disposed inside the housing, a connecting pin is fixedly mounted on the flywheel and is eccentrically mounted to the connecting shaft, a rotating arm is fixedly mounted on the screen cylinder and a connecting groove is provided on the rotating arm, and the connecting pin is movably inserted into the connecting groove.

[0015] Preferably, a sealing sleeve is inserted and fixed on the connecting pipe, and the sealing sleeve is fitted on the drive shaft. A transmission shaft is screwed into the sealing sleeve through a bearing. The transmission shaft and the drive shaft are connected by a bevel gear set. The connecting shaft is screwed into the sealing sleeve through a bearing. The connecting shaft and the transmission shaft are connected by a bevel gear set. The support shaft is screwed into the sealing sleeve. The support shaft and the transmission shaft are connected by a bevel gear set.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] It features a chamber structure with a shell, a connecting pipe structure with openings at both ends inside the shell, and a spiral deflector roller structure for material discharge. This allows it to filter wastewater before sending it into the inlet pipe when it is pumped by a submersible pump, and to push out the filtered solid waste, thus ensuring unobstructed water flow. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 yes Figure 1 Left front side view.

[0020] Figure 3 This is a structural schematic diagram of the connecting pipe, sieve cylinder, and shell in this utility model.

[0021] Figure 4 This is a structural schematic diagram of the drive shaft, connecting shaft, and support shaft in this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Base, 2. Impurity pump, 3. Housing, 4. Connecting pipe, 5. Drive shaft, 6. Drive motor, 7. Spiral paddle roller, 8. Screen cylinder, 9. Water inlet pipe, 10. Support shaft, 11. Blade, 12. Connecting shaft, 13. Flywheel, 14. Connecting pin, 15. Rotary arm, 16. Connecting groove, 17. Sealing sleeve, 18. Transmission shaft. Detailed Implementation

[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] like Figures 1-4 As shown, the specific implementation adopts the following technical solution:

[0026] It includes a base 1 and an impurity pump 2, wherein the impurity pump 2 is fixedly mounted on the base 1. It also includes:

[0027] The housing 3 is fixedly mounted on the base 1;

[0028] Connecting pipe 4, which is inserted and fixed on housing 3, and is connected to the inner cavity of housing 3;

[0029] The water inlet pipe 9 is inserted and fixed on the end side wall of the housing 3, and the water inlet pipe 9 is located below the connecting pipe 4. The water inlet pipe 9 is connected to the inlet flange of the impurity pump 2.

[0030] The screen cylinder 8 is connected in series and screwed onto the connecting pipe 4 via bearings, and the screen cylinder 8 is disposed inside the housing 3;

[0031] The drive shaft 5 is screwed into the connecting pipe 4 via a bearing and passes through the inside of the screen cylinder 8.

[0032] The drive motor 6 is fixedly mounted on the outer side wall of the impurity pump 2, and the output shaft of the drive motor 6 is connected to the drive shaft 5 in a transmission manner.

[0033] The spiral swivel roller 7 is fixedly mounted on the drive shaft 5 and passes through the screen cylinder 8.

[0034] The connecting shaft 12 is screwed onto the end side wall of the housing 3 via a bearing;

[0035] The flywheel 13 is fixedly mounted on the connecting shaft 12 and is located inside the housing 3;

[0036] Connecting pin 14, wherein the connecting pin 14 is eccentrically fixed to the flywheel 13 on the axis of the flywheel 13;

[0037] Rotary arm 15 is fixedly installed on the outer wall of the screen cylinder 8. A connecting groove 16 is provided on the rotary arm 15, and a connecting pin 14 is movably inserted into the connecting groove 16.

[0038] The support shaft 10 is spun onto the inner wall of the housing 3 via a bearing, and one end of the support shaft 10 passes through the end side wall of the housing 3.

[0039] Blade 11, wherein the blade 11 is an array, and the blade 11 is fixedly mounted on the support shaft 10;

[0040] The sealing sleeve 17 is screwed onto the drive shaft 5 via a bearing, and the sealing sleeve 17 is inserted and fixed on the side wall of the connecting pipe 4. The end of the connecting shaft 12 located outside the housing 3 and the end of the support shaft 10 located outside the housing 3 are both inserted into the sealing sleeve 17.

[0041] The drive shaft 18 is screwed into the sealing sleeve 17 via bearings. The upper end of the drive shaft 18 is connected to the drive shaft 5 via a bevel gear set. The drive shaft 18 is also connected to the connecting shaft 12 and the support shaft 10 via bevel gear sets.

[0042] When using this device, the entire device is placed inside the sewage well. The impurity pump 2 draws wastewater from the housing 3 through the inlet pipe 9. The drive motor 6 drives the drive shaft 5 to rotate, which in turn drives the spiral vane roller 7 to rotate. The spiral vane roller 7 pushes the sewage in the sewage well to be drawn in from one end of the connecting pipe 4 and discharged from the other end of the connecting pipe 4. Solid waste in the sewage is filtered through the screen cylinder 8 and remains in the screen cylinder 8, and is pushed out of the connecting pipe 4 by the spiral vane roller 7. Wastewater in the sewage is filtered through the screen cylinder 8 and enters the housing 3. The drive shaft 5 drives the transmission shaft 18 to rotate through the bevel gear set, which in turn drives the connecting shaft 18 to rotate through the bevel gear set. The 12 rotates, and the transmission shaft 18 rotates through the bevel gear set to drive the support shaft 10 to rotate. The connecting shaft 12 drives the flywheel 13 to rotate, and then the flywheel 13 drives the rotating arm to swing through the connecting pin 14. The rotating arm drives the screen cylinder 8 to swing, thereby accelerating the filtration of the sewage passing through the screen cylinder 8. The wastewater and small-volume solid waste in the sewage are quickly discharged into the housing 3, and large-volume solid impurities are filtered out and discharged from the other end of the connecting pipe 4. After the liquid and small-volume impurities in the sewage are filtered through the screen cylinder 8, they enter the housing 3. The support shaft 10 drives the blade 11 to rotate to cut the small-volume solid waste in the wastewater, and then it is pumped into the impurity pump 2 through the water inlet pipe 9 and sent out.

[0043] Compared with the prior art, the beneficial effects of this utility model are:

[0044] This device is connected to a connecting pipe 4 via a housing 3, and a swingable screen cylinder 8 is installed on the connecting pipe 4. Inside the screen cylinder 8, a spiral vane roller 7 is installed via a drive shaft 5, which drives the spiral vane roller 7 to rotate, thereby filtering solid impurities from wastewater through the screen cylinder. Large solid impurities are filtered out and discharged, while liquid and small solid impurities are filtered and sent into the housing 3. After being cut by the blade 11 inside the housing 3, they are sent to the impurity pump 2 through the water inlet pipe 9 for discharge.

[0045] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A submersible sewage pump with an anti-clogging structure, comprising a base (1) and a sludge pump (2), wherein the sludge pump (2) is fixedly mounted on the base (1); characterized in that, It also includes: The housing (3) is fixedly mounted on the base (1); Connecting pipe (4), the connecting pipe (4) is inserted and fixed on the housing (3), and the connecting pipe (4) is connected to the inner cavity of the housing (3); The drive shaft (5) is inserted into the connecting pipe (4) by means of a bearing screw connection; The drive motor (6) is fixedly installed on the outer wall of the impurity pump (2), and the output shaft of the drive motor (6) is connected to the drive shaft (5) in a transmission connection. The spiral paddle roller (7) is fixedly mounted on the drive shaft (5) and is mounted inside the connecting pipe (4).

2. A submersible sewage pump with an anti-clogging structure according to claim 1, characterized in that: A screen cylinder (8) is connected in series on the connecting pipe (4), and the screen cylinder (8) is located inside the housing (3). The screen cylinder (8) is spun onto the connecting pipe (4) through a bearing, and the spiral paddle roller (7) is inserted inside the screen cylinder (8).

3. A submersible sewage pump with an anti-clogging structure according to claim 2, characterized in that: A water inlet pipe (9) is fixedly inserted through the lower end of the side wall of the housing (3), and the other end of the water inlet pipe (9) is connected to the inlet end of the impurity pump (2).

4. A submersible sewage pump with an anti-clogging structure according to claim 3, characterized in that: The housing (3) is provided with a support shaft (10) spun inside by a bearing, and one end of the support shaft (10) passes through the side wall of the housing (3). An array of blades (11) is fixedly provided on the support shaft (10), and the blades (11) are located on the outside of the screen cylinder (8).

5. A submersible sewage pump with an anti-clogging structure according to claim 4, characterized in that: A connecting shaft (12) is screwed through the side wall of the housing (3) via a bearing. A flywheel (13) is fixedly installed on the connecting shaft (12) and the flywheel (13) is located inside the housing (3). A connecting pin (14) is fixedly installed on the flywheel (13) and the connecting pin (14) is eccentrically set with the connecting shaft (12). A rotating arm (15) is fixedly installed on the screen cylinder (8) and a connecting groove (16) is opened on the rotating arm (15). The connecting pin (14) is movably inserted into the connecting groove (16).

6. A submersible sewage pump with an anti-clogging structure according to claim 5, characterized in that: A sealing sleeve (17) is inserted and fixed on the connecting pipe (4), and the sealing sleeve (17) is fitted on the drive shaft (5). A transmission shaft (18) is screwed into the sealing sleeve (17) through a bearing. The transmission shaft (18) and the drive shaft (5) are connected by a bevel gear set. The connecting shaft (12) is screwed into the sealing sleeve (17) through a bearing. The connecting shaft (12) and the transmission shaft (18) are connected by a bevel gear set. The support shaft (10) is screwed into the sealing sleeve (17). The support shaft (10) and the transmission shaft (18) are connected by a bevel gear set.