An environmentally friendly sewage pump

Abstract

The utility model discloses an environmentally friendly sewage pump, relates to the field of sewage pumps, solves the problem that the existing external motor driven cutting effect of adhered impurities is not good, and adopts the following scheme: comprising a pump pipe with a driving motor installed at the top, the output shaft of the driving motor is the pump shaft, and the outer wall of the pump shaft is fixedly sleeved with an impeller; a filter shell is fixedly installed at the bottom of the impeller shell, a filter screen plate is fixedly installed on the bottom side of the filter shell, the pump shaft is rotatably sleeved in the filter screen plate, the bottom end of the pump shaft is fixedly connected with a cutting component, and the bottom of the filter shell is also provided with a dirt shell located outside the cutting component; the environmentally friendly sewage pump, through the arrangement of various components at the bottom end of the pump pipe, can drive the cutting component to rotate on the inner side of the dirt shell by the top side motor, and effectively cut the impurities adhered therein, can directly and synchronously cut the adhered impurities at the pumping end, and subsequently filter them by the filter cartridge on the top side.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage pumps, in particular to an environmentally friendly sewage pump. Background Art

[0002] Sewage pumps are a type of centrifugal impurity pump. Since the medium being transported contains fibers that are easy to entangle or bunch, the flow channel of this type of pump is easily blocked;

[0003] After searching, the application with patent number CN202022058402.0 discloses an environmentally friendly sewage pump, including a sewage pump, an inlet is opened on the left side of the sewage pump, a motor A is fixedly installed on one side of the inlet, the power output end of the motor A is connected to the power input end of the rotating shaft A, a cross bar is connected in the gap below the rotating shaft A, a movable rod is welded below the cross bar, a tool is welded on the outside of the movable rod, an outlet is opened on the right side of the sewage pump, a vibration motor is bolted to one side of the sewage pump, and a filter is detachably connected below the vibration motor;

[0004] The above application document provides a separate motor and cutting assembly for cutting the entangled impurities. However, the external motor not only needs to be operated separately, but the existing filter end is immersed in water, which is not suitable for the motor to work underwater for a long time.

[0005] Therefore, we proposed an environmentally friendly sewage pump. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides an environmentally friendly sewage pump, which solves the problem that the existing external motor driven alone has a poor effect in cutting the adhered impurities.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: an environmentally friendly sewage pump, comprising a pump pipe with a driving motor installed at the top, the output shaft of the driving motor is a pump shaft, an impeller is fixedly sleeved on the outer wall of the pump shaft, and an impeller shell for containing the impeller is provided at the bottom end of the pump pipe;

[0008] A filter shell is fixedly installed at the bottom of the impeller shell, a filter plate is fixedly installed at the bottom side of the filter shell, a pump shaft is rotatably sleeved in the filter plate, a cutting assembly is fixedly connected to the bottom end of the pump shaft, and a dirt shell located outside the cutting assembly is also provided at the bottom of the filter shell.

[0009] Preferably, the dirt shell is a cylinder with an opening on the top side, and the side wall and the bottom wall of the dirt shell are provided with filter holes distributed in a filling shape;

[0010] The shape and specifications of the dirt shell are set to filter most of the larger impurities, and the cutting component inside it can spirally cut and crush the impurities that enter.

[0011] Preferably, the filter plate is a rigid filter, and a bearing seat whose inner wall is fixedly mounted on the center of the filter plate and then mounted on the outer wall of the pump shaft;

[0012] Among them, the setting of the filter plate can provide auxiliary support for the bearing seat and the pump shaft rotating inside the bearing seat, and can also limit the installation of the filter element barrel on the top side.

[0013] Preferably, the inner side of the filter housing is filled with a ring-shaped filter cartridge located above the filter plate;

[0014] Among them, the setting of the filter cartridge can filter the sewage extracted by negative pressure to ensure the cleanliness of the output water.

[0015] Preferably, the cutting assembly is provided with a shaft column fixedly connected to the bottom end of the pump shaft, and five groups of cutting blades distributed in an annular shape are fixedly mounted on the outer wall of the shaft column;

[0016] Among them, the setting of the cutting component can be driven to rotate synchronously by the pump shaft, without the need for an additional motor drive. It has a simple structure, good effect and strong practicality.

[0017] Preferably, the cutting blade is a semi-spiral blade, and the arc-shaped outer edge of the cutting blade is a sharp edge;

[0018] Among them, the setting of the cutting blade shape can cut the impurities adhered to the dirt shell in a spiral manner with high efficiency, ensuring the crushing effect.

[0019] The utility model provides an environmentally friendly sewage pump. It has the following beneficial effects:

[0020] The environmentally friendly sewage pump, through the arrangement of various components at the bottom end of the pump pipe, can drive the cutting component to rotate on the inner side of the dirt shell by the top side motor, and efficiently cut the impurities adhered therein. The adhered impurities can be synchronously cut directly at the pumping end, and subsequently filtered by the filter element barrel on the top side, thereby ensuring the filtering effect while achieving the effect of shredding the impurities, solving the problem of poor effect of cutting the adhered impurities driven by the existing external motor alone. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the structure of the inner side of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the bottom side of the filter housing of the utility model;

[0024] Figure 4It is a schematic diagram of the structure of the inner side of the dirt shell of the utility model.

[0025] In the figure: 1. Pump pipe; 2. Impeller housing; 3. Filter housing; 4. Dirt housing; 5. Pump shaft; 6. Filter plate; 7. Bearing seat; 8. Cutting assembly. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 The embodiment of the utility model provides a technical solution: an environmentally friendly sewage pump, comprising a pump pipe 1 with a driving motor installed at the top, the output shaft of the driving motor is a pump shaft 5, an impeller is fixedly sleeved on the outer wall of the pump shaft 5, and an impeller shell 2 for containing the impeller is arranged at the bottom of the pump pipe 1; a filter shell 3 is fixedly installed at the bottom of the impeller shell 2, a filter plate 6 is fixedly installed at the bottom side of the filter shell 3, a pump shaft 5 is rotatably sleeved in the filter plate 6, a cutting assembly 8 is fixedly connected to the bottom end of the pump shaft 5, and a dirt shell 4 located outside the cutting assembly 8 is also arranged at the bottom of the filter shell 3;

[0028] Among them, the environmentally friendly sewage pump, through the arrangement of various components at the bottom end of the pump pipe 1, can drive the cutting component 8 to rotate on the inner side of the dirt shell 4 by the top side motor, and efficiently cut the impurities adhered therein, and can directly cut the adhered impurities synchronously at the pumping end, and then filter them by the filter element barrel on its top side, ensuring the filtering effect while achieving the effect of shredding the impurities, solving the problem of poor effect of cutting the adhered impurities driven by the existing external motor alone.

[0029] Embodiment 2:

[0030] The dirt shell 4 is a cylinder with an opening on the top side, and the side walls and bottom walls of the dirt shell 4 are provided with filter holes distributed in a filled manner; wherein, the shape and specifications of the dirt shell 4 are set to filter most of the larger impurities, and the cutting component 8 inside the dirt shell 4 performs spiral cutting and crushing on the impurities entering.

[0031] The filter plate 6 is a rigid filter, and a bearing seat 7 whose inner wall is assembled on the outer wall of the pump shaft 5 is fixedly mounted at the center of the filter plate 6; wherein, the setting of the filter plate 6 can provide auxiliary support for the bearing seat 7 and the pump shaft 5 rotating inside thereof, and can also limit the installation of the filter element barrel on its top side.

[0032] The inner side of the filter housing 3 is filled with an annular filter cartridge located above the filter screen plate 6; wherein, the setting of the filter cartridge can filter the sewage extracted by the negative pressure to ensure the cleanliness of the output water body.

[0033] The cutting assembly 8 is provided with a shaft column fixedly connected to the bottom end of the pump shaft 5, and five groups of cutting blades distributed in a ring are fixedly installed on the outer wall of the shaft column; wherein, the cutting assembly 8 can be driven to rotate synchronously by the pump shaft 5, without the need for an additional separate motor drive, and has a simple structure, good effect, and strong practicality.

[0034] The cutting blade is a semi-spiral blade, and the arc-shaped outer edge of the cutting blade is a sharp edge; wherein, the setting of the shape of the cutting blade can perform spiral cutting of impurities adhered to the dirt shell 4 with high efficiency, thereby ensuring the crushing effect.

[0035] The working principle and use process of the utility model are as follows: when the device is needed to work, the bottom end of the pump pipe 1 is inserted into the sewage, and the driving motor on the top side drives the pump shaft 5 to rotate, which first drives the impeller inside the impeller shell 2 to rotate, so that negative pressure is generated inside and the surrounding sewage is adsorbed by the bottom sewage shell 4. The sewage is filtered through the filter element in the filter shell 3 and output upward. The pump shaft 5 will synchronously drive the cutting assembly 8 to rotate to cut and crush the impurities adhering to the inner side of the sewage shell 4 to ensure its continuous working state.

[0036] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An environmentally friendly sewage pump, comprising a pump tube (1) with a driving motor mounted on the top, the output shaft of the driving motor being a pump shaft (5), an impeller being fixedly sleeved on the outer wall of the pump shaft (5), and an impeller housing (2) for accommodating the impeller being arranged at the bottom end of the pump tube (1); Features: A filter housing (3) is fixedly mounted on the bottom of the impeller housing (2), a filter plate (6) is fixedly mounted on the bottom side of the filter housing (3), a pump shaft (5) is rotatably mounted in the filter plate (6), a cutting assembly (8) is fixedly connected to the bottom end of the pump shaft (5), and a dirt housing (4) located outside the cutting assembly (8) is also provided at the bottom of the filter housing (3).

2. The environmentally friendly sewage pump according to claim 1, characterized in that: The dirt shell (4) is a cylinder with an opening on the top side, and the side wall and the bottom wall of the dirt shell (4) are provided with filter holes distributed in a filling shape.

3. The environmentally friendly sewage pump according to claim 1 is characterized in that: The filter plate (6) is a rigid filter, and a bearing seat (7) is fixedly mounted on the center of the filter plate (6) and the inner wall is assembled on the outer wall of the pump shaft (5).

4. The environmentally friendly sewage pump according to claim 1, characterized in that: The inner side of the filter housing (3) is filled with an annular filter cartridge located above the filter screen plate (6).

5. The environmentally friendly sewage pump according to claim 1 is characterized in that: The cutting assembly (8) is provided with a shaft column fixedly connected to the bottom end of the pump shaft (5), and five groups of cutting blades distributed in an annular shape are fixedly mounted on the outer wall of the shaft column.

6. The environmentally friendly sewage pump according to claim 5, characterized in that: The cutting blade is a semi-spiral blade, and the arc-shaped outer edge of the cutting blade is a sharp edge.

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