Self-suction type non-clogging sewage pump

Abstract

The utility model relates to the technical field of sewage pumps, in particular to a self-suction type non-clogging sewage pump. The sewage treatment device comprises a mounting frame, a motor and a shell are fixedly connected to the upper end of the mounting frame, a sewage outlet is fixedly connected to the upper end of the shell, a sewage inlet is fixedly connected to the left end of the shell, an auxiliary mounting assembly is arranged at the upper end of the mounting frame, and a transmission shaft is arranged on the inner wall of the shell. The transmission shaft is fixed to the output end of the motor through a coupler, an impeller is fixedly connected to the arc face of the transmission shaft, a fixing assembly is arranged on the arc face of the transmission shaft, and the fixing assembly comprises a fixing block inserted into the arc face of the transmission shaft. And the bolt is inserted into the transmission shaft by virtue of the first sliding surface and the reset mechanism, so that the blade is fixed, and the effect of conveniently mounting the blade is achieved as much as possible.

Description

Technical Field

[0001] This utility model relates to the field of sewage pump technology, and in particular to a self-priming non-clogging sewage pump. Background Technology

[0002] The sewage pump is used for sludge discharge. The sewage pump consists of a mounting frame, motor, housing, drive shaft, impeller, inlet, and outlet. When using the sewage pump, connect the two external pipes to the inlet and outlet flanges respectively. Then, put the external pipe connected to the inlet into the sludge, start the motor on the mounting frame, and the drive shaft connected by the coupling will rotate, causing the impeller inside the housing to rotate, thereby creating a negative pressure that draws the sludge into the housing and discharges it from the outlet, thus achieving unblocked discharge of self-priming sludge.

[0003] In their daily work, the inventors discovered that when using a sewage pump, in order to prevent fibrous contaminants in the sludge from being sucked into the pump and causing the drive shaft of the impeller to become entangled in fibrous objects and stop rotating, they installed blades on the drive shaft to cut and discharge the fibrous contaminants. However, since the drive shaft is located inside the housing, tools for tightening screws cannot easily penetrate it, which may make installing the blades more difficult. Utility Model Content

[0004] The purpose of this invention is to solve the problem that in actual use, in order to prevent fibrous pollutants in the sludge from being sucked into the pump, causing the drive shaft of the impeller to be entangled by fibrous objects and stop rotating, the drive shaft is located inside the housing, making it difficult for tools to tighten screws to penetrate properly, which may make the installation of the blades more troublesome. Therefore, a self-priming non-clogging sewage pump is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a sewage pump, including a mounting frame, a motor and a housing fixedly connected to the upper end of the mounting frame, a sewage outlet fixedly connected to the upper end of the housing, a sewage inlet fixedly connected to the left end of the housing, an auxiliary mounting assembly provided at the upper end of the mounting frame, a drive shaft provided on the inner wall of the housing, the drive shaft being fixed to the output end of the motor by means of a coupling, an impeller fixedly connected to the arc surface of the drive shaft, a fixing assembly provided on the arc surface of the drive shaft, the fixing assembly including a fixing block inserted into the arc surface of the drive shaft, a blade fixedly connected to the arc surface of the fixing block, a pin inserted into the inner wall of the fixing block, the pin being inserted into the drive shaft, and a first sliding surface opened at the right end of the pin.

[0006] The effect achieved by the above components is as follows: by setting the fixing component, when installing the blade, the worker holds the fixing block and inserts it into the drive shaft, so that the pin is inserted into the drive shaft with the help of the first sliding surface and the reset mechanism, thereby fixing the blade and making it as convenient as possible to install the blade.

[0007] Preferably, a spring is fixedly connected to the upper end of the pin, and the other end of the spring is fixed to the fixing block.

[0008] The effect achieved by the above components is to reset the pin by setting a spring.

[0009] Preferably, a pull rope is fixedly connected to the upper end of the pin, and the pull rope passes through the fixing block.

[0010] The effect achieved by the above components is: pulling the pull rope causes the pin to retract completely into the fixing block, and then dragging the fixing block disassembles the blade.

[0011] Preferably, the left end of the drive shaft is provided with a second sliding surface, and the first sliding surface is adapted to the second sliding surface.

[0012] The effect achieved by the above components is that, by setting the first sliding surface and the second sliding surface, the auxiliary pin is engaged into the drive shaft.

[0013] Preferably, the auxiliary installation assembly includes a lead screw rotatably connected to the inner wall of the mounting frame, and a support frame is threadedly connected to the arc surface of the lead screw, the support frame sliding on the inner wall of the mounting frame.

[0014] The effect achieved by the above components is as follows: when connecting the outer pipe to the inlet flange, the outer pipe connected to the inlet is placed on the support frame. Through the drive mechanism, the screw rotates, causing the support frame to move, so that the outer pipe is close to the inlet. Then it is fixed with bolts, thereby minimizing the need for workers to constantly lift the outer pipe.

[0015] Preferably, a first pulley is fixedly connected to the arc surface of the lead screw, and a second pulley is rotatably connected to the front side of the mounting bracket.

[0016] The effect achieved by the above components is that the first pulley rotates, causing the lead screw to rotate.

[0017] Preferably, a belt is provided between the first pulley and the second pulley, and a handle is fixedly connected to the other end of the second pulley.

[0018] The effect achieved by the above components is that turning the handle causes the second pulley to rotate, which in turn causes the first pulley to rotate via the belt.

[0019] In summary, the beneficial effects of this utility model are as follows:

[0020] In this invention, by setting a fixing component, when installing the blade, the worker holds the fixing block and inserts it into the drive shaft. With the help of the first sliding surface and the reset mechanism, the pin is inserted into the drive shaft, thereby fixing the blade. This makes it as convenient as possible to install the blade. It solves the problem that in order to prevent fibrous pollutants in the sludge from being sucked into the pump, causing the drive shaft of the impeller to be entangled by fibrous objects and stop rotating, the blade is installed on the drive shaft to cut and discharge the fibrous pollutants. However, since the drive shaft is located inside the housing, the tool for tightening screws cannot penetrate well, which may make the installation of the blade more troublesome. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a three-dimensional structural diagram of the auxiliary installation component of this utility model;

[0023] Figure 3 This is a three-dimensional structural schematic diagram of the cross-section of the fixing component of this utility model;

[0024] Figure 4 This utility model Figure 3 An enlarged three-dimensional structural diagram of A in the middle.

[0025] Legend: 1. Mounting bracket; 2. Fixing component; 3. Auxiliary mounting component; 4. Motor; 5. Coupling; 6. Outlet; 7. Housing; 8. Inlet; 9. Drive shaft; 10. Impeller; 21. Fixing block; 22. Pin; 23. Spring; 24. Pull rope; 25. First sliding surface; 26. Second sliding surface; 31. Lead screw; 32. Support frame; 33. First pulley; 34. Second pulley; 35. Handle; 36. Belt. Detailed Implementation

[0026] Reference Figure 1 As shown, this utility model provides a technical solution: a self-priming non-clogging sewage pump includes a mounting frame 1, a motor 4 and a housing 7 are fixedly connected to the upper end of the mounting frame 1, a sewage outlet 6 is fixedly connected to the upper end of the housing 7, a sewage inlet 8 is fixedly connected to the left end of the housing 7, an auxiliary mounting component 3 is provided at the upper end of the mounting frame 1, a drive shaft 9 is provided on the inner wall of the housing 7, the drive shaft 9 is fixed to the output end of the motor 4 by means of a coupling 5, an impeller 10 is fixedly connected to the arc surface of the drive shaft 9, and a fixing component 2 is provided on the arc surface of the drive shaft 9.

[0027] The following section will explain the specific settings and functions of the fixed component 2 and the auxiliary installation component 3.

[0028] Reference Figure 3 and Figure 4As shown in this embodiment: the fixing component 2 includes a fixing block 21 inserted into the arc surface of the drive shaft 9. A blade is fixedly connected to the arc surface of the fixing block 21. A pin 22 is inserted into the inner wall of the fixing block 21 and is inserted into the drive shaft 9. A first sliding surface 25 is provided at the right end of the pin 22. By setting the fixing component 2, when installing the blade, the worker holds the fixing block 21 and inserts it into the drive shaft 9. With the help of the first sliding surface 25 and the reset mechanism, the pin 22 is inserted into the drive shaft 9, thereby fixing the blade and facilitating the installation of the blade as much as possible. A spring 23 is fixedly connected to the upper end of the pin 22, and the other end of the spring 23 is fixed to the fixing block 21. By setting the spring 23, the pin 22 is reset. A pull rope 24 is fixedly connected to the upper end of the pin 22. The pull rope 24 passes through the fixing block 21. Pulling the pull rope 24 makes the pin 22 completely retract into the fixing block 21. Then drag the fixing block 21 to disassemble the blade. A second sliding surface 26 is provided on the left end of the drive shaft 9. The first sliding surface 25 is compatible with the second sliding surface 26. By setting the first sliding surface 25 and the second sliding surface 26, the pin 22 is assisted to be inserted into the drive shaft 9.

[0029] Reference Figure 2 As shown in this embodiment: the auxiliary installation component 3 includes a lead screw 31 rotatably connected to the inner wall of the mounting frame 1. The arc surface of the lead screw 31 is threadedly connected to a support frame 32. The support frame 32 slides on the inner wall of the mounting frame 1. When connecting the outer pipe to the flange of the sewage inlet 8, the outer pipe connected to the sewage inlet 8 is placed on the support frame 32. Through the drive mechanism, the lead screw 31 is rotated, causing the support frame 32 to move, so that the outer pipe is close to the sewage inlet 8, and then fixed with bolts, thereby avoiding the need for workers to constantly lift the outer pipe. The arc surface of the lead screw 31 is fixedly connected to a first pulley 33, and the front side of the mounting frame 1 is rotatably connected to a second pulley 34. The rotation of the first pulley 33 causes the lead screw 31 to rotate. A belt 36 is provided between the first pulley 33 and the second pulley 34. The other end of the second pulley 34 is fixedly connected to a handle 35. Rotating the handle 35 causes the second pulley 34 to rotate, and the belt 36 causes the first pulley 33 to rotate.

[0030] Working principle:

[0031] When using the sewage pump, connect the two external pipes to the flanges of the inlet 8 and outlet 6 respectively. Then, place the external pipe connected to the inlet 8 into the sludge. Start the motor 4 on the mounting bracket 1, causing the drive shaft 9 connected to the coupling 5 to rotate, which in turn causes the impeller 10 inside the housing 7 to rotate, thus creating a negative pressure that draws the sludge into the housing 7 and discharges it through the outlet 6. This achieves unobstructed discharge of self-priming sludge. When installing the blade, the worker holds the fixing block 21 and inserts it into the drive shaft 9. Using the first sliding surface 25 and the spring 23, the pin 22 is reset, allowing it to insert into the drive shaft 9 and thus fix the blade, thereby maximizing the effect. To facilitate the installation of the blade, pull the rope 24 to retract the pin 22 completely into the fixing block 21, then drag the fixing block 21 to remove the blade. By setting the first sliding surface 25 and the second sliding surface 26, the pin 22 is helped to engage with the drive shaft 9. When connecting the outer pipe to the flange of the sewage inlet 8, place the outer pipe connected to the sewage inlet 8 on the support frame 32, turn the handle 35 to make the second pulley 34 rotate, and with the help of the belt 36, make the first pulley 33 rotate, making the lead screw 31 rotate, making the support frame 32 move, so that the outer pipe is close to the sewage inlet 8, and then fixed with bolts, thereby avoiding the need for workers to constantly lift the outer pipe.

[0032] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may use the disclosed technical content to make changes or modifications to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. A self-priming, non-clogging sewage pump, comprising a mounting bracket (1), characterized in that: The upper end of the mounting bracket (1) is fixedly connected to a motor (4) and a housing (7). The upper end of the housing (7) is fixedly connected to a drain outlet (6). The left end of the housing (7) is fixedly connected to a drain inlet (8). The upper end of the mounting bracket (1) is provided with an auxiliary mounting component (3). The inner wall of the housing (7) is provided with a drive shaft (9). The drive shaft (9) is fixed to the output end of the motor (4) by means of a coupling (5). The arc surface of the drive shaft (9) is fixedly connected to an impeller (10). The arc surface of the drive shaft (9) is provided with a fixing component (2). The fixing component (2) includes a fixing block (21) inserted into the arc surface of the drive shaft (9). The arc surface of the fixing block (21) is fixedly connected to a blade. The inner wall of the fixing block (21) is provided with a pin (22). The pin (22) is inserted into the drive shaft (9). The right end of the pin (22) is provided with a first sliding surface (25).

2. The self-priming non-clogging sewage pump according to claim 1, characterized in that: The upper end of the pin (22) is fixedly connected to a spring (23), and the other end of the spring (23) is fixed to the fixing block (21).

3. The self-priming non-clogging sewage pump according to claim 2, characterized in that: The upper end of the pin (22) is fixedly connected to a pull rope (24), which passes through the fixing block (21).

4. A self-priming, non-clogging sewage pump according to claim 3, characterized in that: The left end of the drive shaft (9) is provided with a second sliding surface (26), and the first sliding surface (25) is adapted to the second sliding surface (26).

5. A self-priming, non-clogging sewage pump according to claim 4, characterized in that: The auxiliary installation component (3) includes a lead screw (31) rotatably connected to the inner wall of the mounting frame (1), and a support frame (32) is threadedly connected to the arc surface of the lead screw (31), and the support frame (32) slides on the inner wall of the mounting frame (1).

6. A self-priming, non-clogging sewage pump according to claim 5, characterized in that: The first pulley (33) is fixedly connected to the arc surface of the lead screw (31), and the second pulley (34) is rotatably connected to the front side of the mounting bracket (1).

7. A self-priming, non-clogging sewage pump according to claim 6, characterized in that: A belt (36) is provided between the first pulley (33) and the second pulley (34), and a handle (35) is fixedly connected to the other end of the second pulley (34).

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