Efficient sewage pump
By introducing a filtration and cutting mechanism into the sewage pump, the problem of impurity clogging is solved, enabling efficient operation and extended service life of the sewage pump.
Patent Information
- Application Number
- CN202520840615.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-28
AI Technical Summary
Existing sewage pumps are prone to clogging of the inlet by scum and plastic products in the sewage, which leads to poor water delivery, affects normal operation, and shortens service life.
A high-efficiency sewage pump with a filtration and cutting mechanism was designed. By setting a filter element at the front end of the pump body and installing a cutting blade on the motor shaft, impurities are filtered and cut to prevent clogging.
This effectively prevents impurities from clogging the water inlet, ensuring the normal operating efficiency and service life of the sewage pump.
Smart Images

Figure CN223923311U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of water pump, and relates to a sewage pump, in particular to a high -efficient sewage pump. BACKGROUND
[0002] The sewage pump is a pump and motor connected body, and works under liquid at the same time, compared with general horizontal pump or vertical sewage pump, the sewage pump is compact in structure, and is convenient to install and maintain, and large sewage pumps are generally provided with automatic coupling device to automatically install, and are quite convenient to install and maintain.
[0003] In the prior art, various dregs, plastic products or other similar objects exist in sewage, and the impurities are easy to block the water inlet, which can cause the sewage delivery to be not smooth, affect the normal work of the sewage pump, cause the damage of the motor, reduce the working efficiency of the sewage pump and shorten the service life. SUMMARY
[0004] The utility model discloses a kind of high -efficient sewage pumps with filtering mechanism and cutting mechanism, to solve the problems of prior art.
[0005] The utility model discloses a kind of high -efficient sewage pumps, including water pump main body and water pump motor, it is characterized by, water pump connecting piece is arranged between the water pump main body and water pump motor, the motor shaft of water pump motor passes through water pump connecting piece and extends outside water pump main body, and water pump impeller and cutting blade are arranged on the motor shaft, the lower end of water pump main body is provided with pump cover, the filter piece for filtering is detachably arranged on the pump cover, the filter piece and pump cover form the filter space for liquid filtering, the side end of the filter piece is provided with a plurality of filter holes, the pump cover is provided with a plurality of fixed parts for filter piece, the upper end of the filter piece is provided with a plurality of fixed rods connected with the fixed part, the fixed part is provided with the positioning assembly for fixing the fixed rod in the fixed part, the positioning assembly includes positioning piece and return spring, the fixed part is provided with installation groove for the positioning assembly installation, the fixed rod is provided with positioning hole matched with the positioning piece.
[0006] In the above-mentioned high -efficient sewage pump, one end of the positioning piece extends into the installation groove, and the other end of the positioning piece extends out of the installation groove and is connected with the positioning hole of the fixed rod, the return spring is arranged in the installation groove, and the positioning piece is provided with a sliding part in the installation groove.
[0007] In the above-mentioned high -efficient sewage pump, the lower end of the water pump main body is provided with water inlet channel for water inlet, the upper end of the water pump main body is provided with water outlet channel for water outlet, and the water outlet channel is connected with water outlet pipeline.
[0008] The side end of the water pump body is provided with a fixed leg.
[0009] Compared with the prior art, the high-efficiency sewage pump filters and cuts the impurities entering the water pump body by arranging the filter at the front end of the water pump body and the cutting blade in the filter space, thereby avoiding the impurities from blocking the water inlet. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 is a structural schematic view of the utility model.
[0011] Figure 2 is a sectional view of the utility model.
[0012] Figure 3 is a partially enlarged schematic view of the utility model.
[0013] In the figure, 1, water pump body; 2, water pump motor; 3, water pump connecting piece; 4, water pump impeller; 5, cutting blade; 6, pump cover; 7, filter; 8, fixed part; 9, fixed rod; 10, positioning assembly; 11, positioning piece; 12, return spring; 13, mounting groove; 14, positioning hole; 15, sliding part; 16, fixed leg. DETAILED DESCRIPTION
[0014] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.
[0015] As Figure 1 , Figure 2 , Figure 3As shown, the high-efficiency sewage pump comprises a water pump body 1 and a water pump motor 2, a water pump connecting piece 3 is arranged between the water pump body 1 and the water pump motor 2, a motor shaft of the water pump motor 2 penetrates through the water pump connecting piece 3 and extends out of the water pump body 1, and a water pump impeller 4 and a cutting blade 5 are arranged on the motor shaft, when the motor shaft drives the water pump impeller 4 to start running, the cutting blade 5 is simultaneously driven to work, thereby avoiding that part of impurities cause blockage of the water inlet, and affecting the service life of the water pump, a pump cover 6 is arranged at the lower end of the water pump body 1, the pump cover 6 is fixedly installed on the water pump body 1 through fixing screws, a filter piece 7 for filtering is detachably arranged on the pump cover 6, the filter piece 7 and the pump cover 6 form a filtering space for filtering liquid, a plurality of filter holes are formed at the side end of the filter piece 7, a plurality of fixing portions 8 for fixing the filter piece 7 are arranged on the pump cover 6, a plurality of fixing rods 9 connected with the fixing portions 8 are arranged at the upper end of the filter piece 7, a positioning assembly 10 for fixing the fixing rods 9 in the fixing portions 8 is arranged in the fixing portions 8, the positioning assembly 10 comprises a positioning piece 11 and a return spring 12, a mounting groove 13 for mounting the positioning assembly 10 is formed on the fixing portion 8, and a positioning hole 14 matched with the positioning piece 11 is formed on the fixing rod 9.
[0016] Further, the filter piece 7 is cleaned and replaced by pulling the positioning piece 11 to make it shrink in the mounting groove 13, releasing the positioning between the positioning piece 11 and the fixing rod 9, and taking the fixing rod 9 out of the fixing portion 8.
[0017] Further, one end of the positioning piece 11 extends into the mounting groove 13, the other end of the positioning piece 11 extends out of the mounting groove 13 and connects with the positioning hole 14 of the fixing rod 9, the return spring 12 is arranged in the mounting groove 13, and a sliding portion 15 is arranged on the positioning piece 11 and in the mounting groove 13.
[0018] Further, the lower end of the water pump body 1 is provided with a water inlet channel for water inlet, the upper end of the water pump body 1 is provided with a water outlet channel for water outlet, and a water outlet pipeline is connected with the water outlet channel.
[0019] Further, the side end of the water pump body 1 is provided with a fixing leg 16.
[0020] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.
[0021] Although the terms of water pump body 1, water pump motor 2, water pump connecting piece 3, water pump impeller 4, cutting blade 5, pump cover 6, filter piece 7, fixed part 8, fixed rod 9, positioning assembly 10, positioning piece 11, reset spring 12, mounting groove 13, positioning hole 14, sliding part 15, fixed leg 16 are used more in the text, but the possibility of using other terms is not excluded. Using these terms is only to facilitate the description and explanation of the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.
Claims
1. A high-efficiency sewage pump, comprising a pump body (1) and a pump motor (2), characterized in that, A water pump connector (3) is provided between the water pump body (1) and the water pump motor (2). The motor shaft of the water pump motor (2) passes through the water pump connector (3) and extends out of the water pump body (1). A water pump impeller (4) and a cutting blade (5) are provided on the motor shaft. A pump cover (6) is provided at the lower end of the water pump body (1). A filter element (7) for filtration is detachably provided on the pump cover (6). The filter element (7) and the pump cover (6) form a filtration space for liquid filtration. Several filter holes are opened on the side end of the filter element (7). The filter element (7) is provided with several fixing parts (8) for fixing the filter element (7). The upper end of the filter element (7) is provided with several fixing rods (9) connected to the fixing parts (8). The fixing parts (8) are provided with a positioning component (10) for fixing the fixing rods (9) in the fixing parts (8). The positioning component (10) includes a positioning element (11) and a return spring (12). The fixing parts (8) are provided with an installation groove (13) for installing the positioning component (10). The fixing rods (9) are provided with positioning holes (14) that match the positioning element (11).
2. The high-efficiency sewage pump according to claim 1, characterized in that, One end of the positioning member (11) extends into the mounting groove (13), and the other end of the positioning member (11) extends out of the mounting groove (13) and connects with the positioning hole (14) of the fixing rod (9). The reset spring (12) is set in the mounting groove (13), and a sliding part (15) is provided on the positioning member (11) and located in the mounting groove (13).
3. The high-efficiency sewage pump according to claim 1, characterized in that, The lower end of the pump body (1) is provided with a water inlet channel for water intake, and the upper end of the pump body (1) is provided with a water outlet channel for water discharge, and the water outlet channel is connected to an external water outlet pipe.
4. The high-efficiency sewage pump according to claim 1, characterized in that, The pump body (1) is provided with a fixed support foot (16) on the side end.