Sewage pump with sundry crushing function

By introducing drive, crushing, and filtration components into the sewage pump, and utilizing a bevel gear transmission system and a crushing blade to break up debris, the problem of sewage pump clogging was solved, enabling effective treatment of debris and timely discharge of sewage.

CN223881365UActive Publication Date: 2026-02-06JINAN LANSHENG MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520747769.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-02-06
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

Existing sewage pumps are prone to internal blockage when handling large or tough debris such as tree branches and plastic bottles, which affects normal operation, leads to frequent malfunctions and repairs, and results in untimely sewage discharge.

Method used

A sewage pump with debris crushing function was designed, including a drive component, a crushing component, and a filter component. The inner rod and outer rod are driven to rotate by a drive bevel gear and a driven bevel gear transmission system. The crushing blade on the outer rod cuts and crushes the debris, and the filter component intercepts the incompletely crushed debris. The reciprocating component at the bottom of the outer rod increases the crushing range and efficiency and prevents the filter screen from clogging.

Benefits of technology

It effectively breaks down debris in sewage, prevents pump blockage, ensures normal operation of sewage pumps, improves the timeliness of sewage discharge and the reliability of equipment, and reduces maintenance frequency and environmental pollution risks.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223881365U_ABST
    Figure CN223881365U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of sewage pumps, and discloses a sewage pump with a sundry crushing function, which comprises a sewage pump body, the input end of the sewage pump body is fixedly connected with a cylinder, a driving component, a crushing component and a filtering component are sequentially arranged in the cylinder from top to bottom, the crushing component comprises a bearing, and the bearing is fixedly connected with the cylinder. The bearing is fixedly connected to the inner wall of the barrel, the middle of the bearing is rotationally connected with an inner rod, the top of the inner rod is fixedly connected with a driven bevel gear, the outer wall of the inner rod is sleeved with an outer rod, the outer wall of the outer rod is fixedly connected with a plurality of smashing cutters, and a reciprocating assembly is arranged at the bottom of the outer wall of the outer rod and comprises a connecting rod and an inclined block. The connecting rod is fixedly connected to the bottom of the outer wall of the outer rod. According to the crushing device, the driving assembly and the crushing assembly are arranged, the impeller is driven by water flow to rotate, rotation of the rotating shaft is transmitted to the inner rod through the driving bevel gear and the driven bevel gear, and then the outer rod is driven to rotate.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sewage pump especially, having the sewage pump of sundry broken function. BACKGROUND

[0002] In modern society, with the acceleration of industrialization process and the continuous expansion of urbanization scale, sewage treatment has become the key link of maintaining ecological environment and guaranteeing the sustainable development of city. As one of the core equipment in sewage treatment system, through the high-speed rotation of impeller, negative pressure is formed in the pump body, sewage is continuously sucked into the pump body, and the sewage is lifted to the sewage pipe network through the outlet of the pump with a certain pressure, realizing the preliminary collection and transportation of sewage.

[0003] In the process of sewage discharge, when there are branches, plastic bottles, fabrics and other large or strong sundries in the sewage, the pump body is easily blocked, which causes the sewage pump to fail to operate normally, and frequent maintenance not only consumes a lot of manpower, material resources and time cost, but also seriously affects the timeliness of sewage discharge, which may cause sewage overflow and other environmental pollution problems. Therefore, the sewage pump with sundry breaking function is proposed. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the utility model provides the sewage pump with sundry breaking function, which aims at improving the problem that sundry easily causes the internal blockage of pump body in prior art, resulting in the failure of sewage pump to operate normally.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: the sewage pump with sundry breaking function, comprising a sewage pump body, the sewage pump body input end is fixedly connected with a cylinder, the cylinder is sequentially provided with a driving assembly, a crushing assembly and a filtering assembly from top to bottom in the inside;

[0006] The crushing assembly comprises a bearing, the bearing is fixedly connected with the inner wall of the cylinder, the middle part of the bearing is rotatably connected with an inner rod, the top of the inner rod is fixedly connected with a driven bevel gear, the outer wall of the inner rod is sleeved with an outer rod, the outer wall of the outer rod is fixedly connected with a plurality of crushing knives, the bottom of the outer wall of the outer rod is provided with a reciprocating assembly.

[0007] As a further description of the above technical scheme:

[0008] The reciprocating assembly comprises a connecting rod and an inclined block, the connecting rod is fixedly connected with the bottom of the outer wall of the outer rod, the inclined block is fixedly connected in the inside of the cylinder, the surface of the inclined block is provided with a groove, and the bottom of the connecting rod is slidably connected with the inner wall of the groove.

[0009] As a further description of the above technical scheme:

[0010] The driving assembly comprises a rotating shaft, the rotating shaft is rotationally connected to the inner top of the cylinder body, two impellers are fixedly connected to the outer wall of the rotating shaft, and a driving bevel gear is fixedly connected to the middle side of the outer wall of the rotating shaft.

[0011] As a further description of the above technical solution:

[0012] The filtering assembly comprises a filter screen, and the filter screen is fixedly connected to the inner bottom of the cylinder body.

[0013] As a further description of the above technical solution:

[0014] The driven bevel gear and the driving bevel gear are in meshing.

[0015] As a further description of the above technical solution:

[0016] Two sliding blocks are fixedly connected to the outer wall bottom of the inner rod, two sliding grooves are formed in the inner wall of the outer rod, and the outer wall of the sliding block is slidingly connected to the inner wall of the sliding groove.

[0017] As a further description of the above technical solution:

[0018] The length of the sliding groove is greater than or equal to the height of the inclined block.

[0019] As a further description of the above technical solution:

[0020] The outer rod bottom penetrates the inclined block and is fixedly connected with an extrusion plate.

[0021] The utility model has the advantages of the following:

[0022] 1、The utility model discloses a sewage treatment device, which comprises a cylinder body, a driving assembly, a crushing assembly and a filtering assembly.

[0023] 2、The utility model discloses a sewage treatment device, which comprises a cylinder body, a driving assembly, a crushing assembly and a filtering assembly.

[0024] 3、The utility model discloses a sewage treatment device, which comprises a cylinder body, a driving assembly, a crushing assembly and a filtering assembly. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1The utility model provides a solid drawing of the sewage pump with sundry crushing function is provided in the utility model,

[0026] Figure 2 The utility model provides a barrel body sectional view of the sewage pump with sundry crushing function is provided in the utility model,

[0027] Figure 3 For Figure 2 The enlarged view of A in the middle,

[0028] Figure 4 For Figure 2 The enlarged view of B in the middle,

[0029] Figure 5 The utility model provides a outer rod sectional view of the sewage pump with sundry crushing function is provided in the utility model.

[0030] Legend:

[0031] 1, sewage pump body, 2, barrel, 3, filter screen, 4, rotating shaft, 5, impeller, 6, driven bevel gear, 7, inner rod, 8, bearing, 9, outer rod, 10, sliding slot, 11, sliding block, 12, crushing knife, 13, inclined block, 14, connecting rod, 15, recess, 16, extrusion plate, 17, driving bevel gear. Specific implementation

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0033] Referring to Figures 1-3 The utility model provides an embodiment: the sewage pump with sundry crushing function, including sewage pump body 1, sewage pump body 1 is as the core power source of whole device, provides power for the extraction and discharge of sewage and sundry, and the input end of sewage pump body 1 is fixedly connected with barrel 2, and barrel 2 is used for accommodating and guiding sewage and sundry to enter inside sewage pump body 1, and driving assembly, crushing assembly and filter assembly are sequentially arranged in barrel 2 from top to bottom, driving assembly is responsible for providing power, and drives crushing assembly to work, crushing assembly carries out crushing treatment to the sundry in sewage, and filter assembly further filters the sewage after crushing, to ensure that the sewage discharged meets corresponding standard,

[0034] Referring to Figures 2-4The crushing assembly comprises a bearing 8 fixedly connected to the inner wall of the cylinder body 2, which serves to provide support and rotary connection, so that the inner rod 7 can rotate smoothly while preventing the outer rod 9 from sliding up and down, the middle part of the bearing 8 is rotatably connected to the inner rod 7, the inner rod 7 is used to transmit the rotary power of the driven bevel gear 6 to the outer rod 9, so as to drive the outer rod 9 to rotate, the top of the inner rod 7 is fixedly connected to the driven bevel gear 6, the driven bevel gear 6 is engaged with the subsequent driving bevel gear 17, the rotation of the driving bevel gear 17 drives the driven bevel gear 6 to rotate, further driving the inner rod 7 to rotate, the outer wall of the inner rod 7 is sleeved with the outer rod 9, the outer rod 9 rotates under the driving of the inner rod 7, and then drives the crushing knives 12 on the outer wall thereof to rotate, so as to crush the sundries in the cylinder body 2, a plurality of crushing knives 12 are fixedly connected to the outer wall of the outer rod 9, the crushing knives 12 are used to cut and crush the sundries in the sewage, and the bottom of the outer wall of the outer rod 9 is provided with a reciprocating assembly, so that the outer rod 9 can also reciprocate up and down while rotating, so that the crushing range and crushing effect of the crushing knives 12 on the sundries are increased.

[0035] With reference to Figure 4 The reciprocating assembly comprises a connecting rod 14 and an inclined block 13, the connecting rod 14 is fixedly connected to the bottom of the outer wall of the outer rod 9, and is used to generate circumferential motion under the rotation of the outer rod 9 and slide up and down in the recess 15 on the subsequent inclined block 13 during the circumferential motion, the inclined block 13 is fixedly connected to the inside of the cylinder body 2, so as to ensure the stability of the inclined block 13 in the cylinder body 2, the surface of the inclined block 13 is provided with the recess 15, the recess 15 provides a guide function for the sliding of the connecting rod 14, and the bottom of the connecting rod 14 is slidably connected to the inner wall of the recess 15, so as to slide in the recess 15 and realize the up-and-down reciprocating motion of the outer rod 9.

[0036] With reference to Figure 3 The driving assembly comprises a rotating shaft 4 rotatably connected to the top of the inside of the cylinder body 2, the rotating shaft 4 is the main power support point of the entire driving assembly, two impellers 5 are fixedly connected to the outer wall of the rotating shaft 4, the impellers 5 rotate under the flow of the sewage, and then drive the rotating shaft 4 to rotate, a driving bevel gear 17 is fixedly connected to the middle side of the outer wall of the rotating shaft 4, and the driving bevel gear 17 transmits the rotation of the rotating shaft 4 to the driven bevel gear 6 through engagement.

[0037] With reference to Figure 2 The filtering assembly comprises a filter screen 3 fixedly connected to the bottom of the inside of the cylinder body 2, and is used to filter the sewage crushed by the crushing assembly, so as to intercept the sundries with relatively large particles that have not been completely crushed, and prevent them from entering the sewage pump body 1.

[0038] With reference to Figure 3The meshing between the driven bevel gear 6 and the driving bevel gear 17 ensures the stability and reliability of power transmission.

[0039] With reference to Figure 5 The outer wall of the inner rod 7 is fixedly connected with two sliding blocks 11, and the inner wall of the outer rod 9 is provided with two sliding grooves 10. The outer wall of the sliding block 11 is slidingly connected to the inner wall of the sliding groove 10, so that the outer rod 9 can slide up and down on the inner rod 7 while rotating under the power transmitted by the inner rod 7. When the reciprocating assembly drives the outer rod 9 to move up and down, the sliding block 11 slides in the sliding groove 10, ensuring the stability and accuracy of the up-and-down movement of the outer rod 9.

[0040] With reference to Figure 4 and Figure 5 The length of the sliding groove 10 is greater than or equal to the height of the inclined block 13, ensuring that the outer rod 9 can realize complete up-and-down reciprocating movement through the reciprocating assembly during rotation.

[0041] With reference to Figure 4 The bottom of the outer rod 9 penetrates the inclined block 13 and is fixedly connected with a pressing plate 16. The pressing plate 16 enables the crushed impurities to pass through the filter screen 3 more quickly, and also enables the filter screen 3 to be pressed through the up-and-down movement of the pressing plate 16, avoiding the blockage of the filter screen 3 by impurities.

[0042] Working principle: during the sewage discharge process, the cylinder 2 is installed at the input end of the sewage pump body 1, then the water inlet pipe is connected to the top of the cylinder 2, then the sewage pump body 1 is powered on, when the sewage pump body 1 is started, the sewage will be pumped, when the sewage is pumped, it will enter the inside of the cylinder 2, when the sewage enters the inside of the cylinder 2, the impeller 5 will rotate under the action of the sewage flow, the rotation of the impeller 5 will drive the rotation of the shaft 4, the rotation of the shaft 4 will drive the rotation of the driving bevel gear 17, the rotation of the driving bevel gear 17 will drive the rotation of the driven bevel gear 6 through the meshing with the driven bevel gear 6, the rotation of the driven bevel gear 6 will drive the rotation of the inner rod 7 at the bottom of the driven bevel gear 6, the rotation of the inner rod 7 will drive the rotation of the two sliding blocks 11 on the outer wall of the inner rod 7, and the rotation of the two sliding blocks 11 will drive the rotation of the outer rod 9, when the outer rod 9 rotates, the pulverizing knives 12 on the outer wall of the outer rod 9 will rotate to crush the impurities in the sewage, the crushed impurities and the sewage will pass through the filter screen 3 and then enter the inside of the sewage pump body 1, and then be discharged through the output end of the sewage pump body 1.

[0043] When the outer rod 9 rotates, the connecting rod 14 on the outer wall of the outer rod 9 also rotates, and the connecting rod 14 rotates to slide along the groove 15 on the surface of the inclined block 13. Due to the particularity of the structure of the groove 15, the connecting rod 14 reciprocates up and down during the circumferential motion, further drives the outer rod 9 to reciprocate up and down, and further drives the extrusion plate 16 to reciprocate up and down. Through the reciprocating sliding of the extrusion plate 16, the filter screen 3 is extruded, so that the broken sundries can pass through the filter screen 3 more quickly, and at the same time, the filter screen 3 is hit by the extrusion plate 16, avoiding the blockage of the filter screen 3 by the broken sundries.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A sewage pump with a debris crushing function, comprising a sewage pump body (1), characterized in that: The sewage pump body (1) input end fixedly connected with the cylinder (2), the cylinder (2) inside from top to bottom are provided with driving assembly, crushing assembly and filter assembly; The crushing assembly includes a bearing (8), the bearing (8) is fixedly connected to the inner wall of the cylinder (2), the inner wall of the bearing (8) is rotatably connected with the inner rod (7), the top of the inner rod (7) is fixedly connected with the driven bevel gear (6), the outer wall of the inner rod (7) is sleeved with the outer rod (9), the outer wall of the outer rod (9) is fixedly connected with a plurality of crushing knives (12), the bottom of the outer wall of the outer rod (9) is provided with a reciprocating assembly.

2. The debris-breaking sewage pump according to claim 1, characterized in that: The reciprocating assembly includes a connecting rod (14) and an inclined block (13), the connecting rod (14) is fixedly connected to the bottom of the outer wall of the outer rod (9), the inclined block (13) is fixedly connected to the inside of the cylinder (2), the surface of the inclined block (13) is provided with a groove (15), the bottom of the connecting rod (14) is slidably connected to the inner wall of the groove (15).

3. The debris crushing function equipped drain pump according to claim 2, characterized by: The driving assembly includes a rotating shaft (4), the rotating shaft (4) is rotatably connected to the top of the inner wall of the cylinder (2), the outer wall of the rotating shaft (4) is fixedly connected with two impellers (5), the outer wall of the rotating shaft (4) is fixedly connected with a driving bevel gear (17).

4. The debris-breaking sewage pump according to claim 3, characterized in that: The filter assembly includes a filter screen (3), the filter screen (3) is fixedly connected to the bottom of the inner wall of the cylinder (2).

5. The debris crushing function equipped drain pump according to claim 4, characterized by: The driven bevel gear (6) and the driving bevel gear (17) are engaged.

6. The debris crushing function equipped drain pump according to claim 4, characterized by: The bottom of the outer wall of the inner rod (7) is fixedly connected with two sliding blocks (11), the inner wall of the outer rod (9) is provided with two sliding grooves (10), the outer wall of the sliding block (11) is slidably connected to the inner wall of the sliding groove (10).

7. The debris-breaking sewage pump according to claim 6, characterized in that: The length of the sliding groove (10) is greater than or equal to the height of the inclined block (13).

8. The debris crushing function equipped drain pump according to claim 4, characterized by: The bottom of the outer rod (9) penetrates the inclined block (13) and is fixedly connected with an extrusion plate (16).