Submerged sewage pump with flushing function

Abstract

The utility model provides a submersible sewage pump with flush function belongs to sewage pump technical field. It solved the problem of unstable and unable to adapt to complex working condition of water outlet pipe and pump body connecting structure in prior art. The utility model discloses a sewage pump body, water outlet pipe seat, coupler subassembly and flush water pipe, and the lower end of sewage pump body is pump body, and the outer end of pump body forms the connecting convex body, and the outer end of connecting convex body forms the limit convex body, and water outlet pipe seat is elbow -shaped and the end of water outlet pipe seat and the outer end of connecting convex body are inlaid, and the outer end of water outlet pipe seat side end portion and limit convex body lower end are inlaid, and the outer end of water outlet pipe seat outer face forms the pipe body connecting seat, and the inside of pipe body connecting seat is provided with the through -hole that is with water outlet pipe seat inside through, and flush water pipe lower end is fixedly connected with pipe body connecting seat, and flush water pipe lower end inside is connected with flush shower nozzle and flush shower nozzle passes through the through -hole and enters water outlet pipe seat. The utility model has the advantages of stable connecting structure and can adapt to complex working condition.

Description

Technical Field

[0001] This utility model belongs to the field of sewage pump technology and relates to a submersible sewage pump with flushing function. Background Technology

[0002] Submersible sewage pumps are underwater sewage transport equipment suitable for municipal and industrial applications. They can efficiently transport sewage containing solid particles and fibers and are characterized by being non-clogging, anti-entanglement, and having reliable sealing.

[0003] Chinese patent publication number CN201546973U discloses a double-suction submersible sewage pump. The rotor is installed in the motor assembly and connected to the oil chamber. The mechanical seal 2 is placed in the oil chamber and then connected to the rear pump cover. The rotor is installed with the mechanical seal, shaft sleeve and double-suction impeller in sequence. After being tightened with lock nuts, it is connected to the upper suction pipe. Then it is connected to the pump body and the lower suction pipe in sequence. The pump body is connected to the upper and lower horn-shaped suction pipes, so that the pumped liquid enters the impeller from both the upper and lower directions.

[0004] The patent provides a double-suction submersible sewage pump in which the pump body is connected to the outlet pipe only by bolts, which leads to poor connection stability, high risk of seal failure, and no cleaning device in the outlet pipe, making it unsuitable for the harsh working conditions of submersible sewage pumps. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a submersible sewage pump with a flushing function.

[0006] The objective of this utility model can be achieved through the following technical solution: A submersible sewage pump with flushing function includes a sewage pump body, an outlet pipe seat, a coupler assembly, and a flushing water pipe. The lower end of the sewage pump body is the pump body, and a connecting protrusion is formed on the outer end of the pump body. A limiting protrusion is formed on the outer end of the connecting protrusion. The outlet pipe seat is elbow-shaped, and the end of the outlet pipe seat is fitted with the outer end of the connecting protrusion. The outer end of the side end of the outlet pipe seat is fitted with the lower end of the limiting protrusion. A pipe body connecting seat is formed on the outer end face of the outlet pipe seat, and a through hole communicating with the interior of the outlet pipe seat is opened inside the pipe body connecting seat. The lower end of the flushing water pipe is fixedly connected to the pipe body connecting seat. A flushing nozzle is connected inside the lower end of the flushing water pipe and extends into the outlet pipe seat through a through hole. An installation seat is fixed to the upper end of the connecting protrusion. The coupler assembly includes an automatic coupler and a pipe joint coupler. The lower end of the automatic coupler is fitted and fixed to the upper end of the installation seat. A locking wedge is formed on the lower side of the other end of the automatic coupler. The locking wedge covers the outside of the limiting protrusion and is locked and fitted to the outer end of the outlet pipe seat. A locking clamp extends from one side of the locking wedge and is fixedly connected to the outer side of the lower end of the flushing water pipe.

[0007] In the above-mentioned submersible sewage pump with flushing function, a limiting groove is provided in the mounting base, and a limiting column is formed at the lower end of the automatic coupler, and the limiting column is connected to the limiting groove.

[0008] In the above-mentioned submersible sewage pump with flushing function, a flushing control valve is installed at the upper end of the flushing water pipe, and the pipe joint coupler is fixedly connected to the upper end of the flushing control valve.

[0009] In the above-mentioned submersible sewage pump with flushing function, a fixed base is installed at the lower end of the outlet pipe seat, and a support column is formed at the upper end of the fixed base. The support column is supported and fixed to the lower end of the outlet pipe seat.

[0010] Compared with the prior art, the submersible sewage pump with flushing function provided by this utility model has the following beneficial effects: 1. The flushing nozzle extends into the pump body through the through hole of the water outlet pipe seat, and can directly flush the water outlet pipe and the inside of the pump body with high pressure water, effectively removing deposited sludge, fibers and solid particles, and is suitable for high impurity sewage environments.

[0011] 2. The locking wedge and the limiting protrusion work together to form a mechanical lock, preventing the connection from loosening due to vibration during pump operation. The locking clamp also fixes the flushing water pipe simultaneously, preventing it from shifting due to water flow impact.

[0012] 3. The pump body and the outlet pipe seat are quickly connected by the limiting column and the limiting groove, which reduces installation errors and shortens the installation time. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the sewage pump body structure.

[0014] In the diagram: 1. Sewage pump body; 11. Pump body; 12. Connecting protrusion; 121. Limiting protrusion; 13. Mounting base; 131. Limiting groove; 2. Outlet pipe seat; 21. Pipe body connecting seat; 22. Through hole; 3. Flushing water pipe; 4. Automatic coupler; 41. Locking wedge; 42. Locking clamp; 43. Limiting post; 5. Pipe joint type coupler; 6. Flushing nozzle; 7. Flushing control valve; 8. Fixed base; 81. Support column. Detailed Implementation

[0015] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0016] like Figures 1 to 2As shown, this submersible sewage pump with flushing function includes a sewage pump body 1, an outlet pipe seat 2, a coupler assembly, and a flushing water pipe 3. The lower end of the sewage pump body 1 is a pump body 11. A connecting protrusion 12 is integrally formed on the outer end of the pump body 11. The outer end of the connecting protrusion 12 extends to form a limiting protrusion 121. The limiting protrusion 121 and the connecting protrusion 12 have a stepped structure, which provides a support reference for the positioning of the outlet pipe seat 2. The outlet pipe seat 2 is generally elbow-shaped, and its end is tightly fitted with the outer end of the connecting protrusion 12. The outer end of the side end of the outlet pipe seat 2 is fitted and abuts against the lower end face of the limiting protrusion 121. The double fitting structure ensures the sealing and coaxiality of the connection and avoids sewage leakage.

[0017] like Figure 1 As shown, a pipe body connecting seat 21 is integrally formed on the outer end face of the water outlet pipe seat 2. The pipe body connecting seat 21 has a through hole 22 that communicates with the inside of the water outlet pipe seat 2. The through hole 22 provides a channel for flushing water flow. The lower end of the flushing water pipe 3 is fixedly connected to the pipe body connecting seat 21 by threads or flanges. A flushing nozzle 6 is embedded and fixed inside the lower end of the flushing water pipe 3. The spray end of the flushing nozzle 6 extends into the inside of the water outlet pipe seat 2 through the through hole 22, and can directly perform high-pressure flushing on the water flow channel area discharged by the pump body 11, effectively removing sediment and entanglement.

[0018] like Figure 1 and Figure 2 As shown, the upper end of the connecting protrusion 12 is fixed to the mounting base 13 by bolts. The mounting base 13 has a recessed limiting groove 131. The coupler assembly includes an automatic coupler 4 and a pipe-type coupler 5. The lower end of the automatic coupler 4 fits against the upper end surface of the mounting base 13, and the lower end of the automatic coupler 4 is integrally formed with a limiting post 43 that matches the limiting groove 131. The limiting post 43 is inserted into the limiting groove 131 to achieve precise positioning and avoid assembly deviation. The lower side of the other end of the automatic coupler 4 extends to form a locking wedge. 41. The locking wedge 41 is semi-enclosed on the outside of the limiting protrusion 121, and its inner wall is locked and fitted with the outer end of the outlet pipe seat 2. The locking wedge 41 enhances the connection stability through the pre-tightening force generated by the wedge structure, preventing loosening due to vibration during pump operation. At the same time, one side of the locking wedge 41 extends integrally to form an arc-shaped locking clamp 42. The locking clamp 42 is fixedly connected to the outer wall of the lower end of the flushing water pipe 3 through the clamp, realizing the synchronous fixation of the flushing water pipe 3 and the main structure, and avoiding pipe displacement caused by water flow impact.

[0019] To elaborate further, such as Figure 1 As shown, a flushing control valve 7 is installed at the upper end of the flushing water pipe 3 to regulate the start and stop, flow rate and pressure of the flushing water flow, adapting to the sludge removal needs under different working conditions. The pipe joint type coupler 5 is fixedly connected to the upper end of the flushing control valve 7 through a quick connector, which not only ensures the rigid sealing of the flushing pipeline, but also facilitates quick disassembly and maintenance, improving the convenience of maintenance.

[0020] To elaborate further, such as Figure 1 As shown, a fixed base 8 is installed at the lower end of the outlet pipe seat 2, and several support columns 81 are evenly distributed at the upper end of the base. The top of the support column 81 is fixedly connected to the lower end face of the outlet pipe seat 2 by welding or bolts to form a stable support structure. This design not only enhances the overall stability of the outlet pipe seat 2 and the sewage pump body 1, but also allows for the adjustment of the height of the support column 81 to adapt to different installation scenarios, while reducing the transmission of vibration from the pump during operation to the installation foundation.

[0021] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0022] Although this document uses a variety of terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A submersible sewage pump with flushing function, comprising a sewage pump body (1), an outlet pipe seat (2), a coupler assembly, and a flushing water pipe (3), wherein the lower end of the sewage pump body (1) is a pump body (11), characterized in that: A connecting protrusion (12) is formed at the outer end of the pump body (11), and a limiting protrusion (121) is formed at the outer end of the connecting protrusion (12). The water outlet pipe seat (2) is elbow-shaped, and the end of the water outlet pipe seat (2) is in contact with the outer end of the connecting protrusion (12). The outer end of the side end of the water outlet pipe seat (2) is in contact with the lower end of the limiting protrusion (121). A pipe body connecting seat (21) is formed on the outer end face of the water outlet pipe seat (2). A through hole (22) is opened inside the pipe body connecting seat (21) and communicates with the inside of the water outlet pipe seat (2). The lower end of the flushing water pipe (3) is fixedly connected to the pipe body connecting seat (21). A flushing nozzle (6) is connected inside the lower end of the flushing water pipe (3). The flushing nozzle (6) extends into the water outlet pipe seat (2) through the through hole (22). The upper end of the connecting protrusion (12) is fixed with a mounting base (13). The coupler assembly includes an automatic coupler (4) and a pipe joint coupler (5). The lower end of the automatic coupler (4) is fitted and fixed to the upper end of the mounting base (13). A locking wedge (41) is formed on the lower side of the other end of the automatic coupler (4). The locking wedge (41) is covered on the outside of the limiting protrusion (121) and locked and fitted to the outer end of the end of the water outlet pipe seat (2). A locking clamp (42) extends from one side of the locking wedge (41). The locking clamp (42) is fixedly connected to the outer side of the lower end of the flushing water pipe (3).

2. A submersible sewage pump with flushing function according to claim 1, characterized in that: A limiting groove (131) is provided in the mounting base (13), and a limiting post (43) is formed at the lower end of the automatic coupler (4), and the limiting post (43) is connected to the limiting groove (131).

3. A submersible sewage pump with flushing function according to claim 1, characterized in that: A flushing control valve (7) is installed at the upper end of the flushing water pipe (3), and the pipe joint coupler (5) is fixedly connected to the upper end of the flushing control valve (7).

4. A submersible sewage pump with flushing function according to claim 1, characterized in that: A fixed base (8) is installed at the lower end of the water outlet pipe seat (2), and a support column (81) is formed at the upper end of the fixed base (8). The support column (81) is supported and fixed to the lower end of the water outlet pipe seat (2).

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