Sewage discharge centrifugal pump

Abstract

The sewage discharge centrifugal pump comprises a sewage discharge pump body, a water inlet and a water outlet are formed in the lower portion of the sewage discharge pump body, a dust filtering box is arranged at one end of the water inlet, a filtering cavity and an impurity discharging cavity are formed in the dust filtering box, a filtering plate is arranged in the filtering cavity in a sliding mode through an inner support, and one end of the filtering plate penetrates through the dust filtering box in a sliding mode through a push rod and is provided with a push plate. A filter plate is arranged in the filter cavity in a sliding mode through an inner support, an impurity discharging cavity is arranged in the filter cavity, a slag discharging plate is longitudinally inserted in the upper portion in the impurity discharging cavity through a discharging rod, cleaning bristles are arranged on one side of the slag discharging plate, and a slag discharging opening is formed in the bottom of the impurity discharging cavity. One end of the filter plate slidably penetrates through the dust filter box through a push rod and is provided with a push plate, when impurities filtered in the filter cavity need to be discharged, the filter plate is moved out of the filter cavity through the push plate and the push rod, the impurities are compressed in the impurity discharging cavity, then the residue discharging plate is pushed to move downwards through the discharging rod to discharge filter residues out of the impurity discharging cavity, and therefore residue discharging is convenient and rapid.

Description

Technical Field

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

[0002] A sewage pump is a pump product that is a combination of a pump and a motor, and works underwater at the same time. Compared with general horizontal pumps or vertical sewage pumps, sewage pumps have a compact structure and occupy a small area. It is easy to install and maintain. Large sewage pumps are generally equipped with automatic coupling devices for automatic installation, which is very convenient for installation and maintenance. It has a long continuous operation time. Long-term use of the pump body with an internal filter will cause the pump body or sewage pipe to be blocked, and it is also easy to damage the pump body, so it is necessary to clean the pump body and other equipment frequently.

[0003] The prior art discloses a centrifugal pump for sewage discharge that is easy to clean, and the application number is 202321339950.8, which includes a centrifugal pump, a suction pipe and a discharge pipe are arranged on the centrifugal pump, a filter is installed at the end of the suction pipe, and the filter includes an outer shell, which is fixedly connected to the suction pipe, a filter support cylinder is arranged inside the outer shell, a plurality of flexible mesh covers are arranged in the filter support cylinder, the edge of the flexible mesh cover is fixedly connected to the filter support cylinder, and the flexible mesh cover is arranged in a conical cover, and a pull rod is installed at the center of the filter. The utility model can reduce the cleaning and maintenance of the centrifugal pump itself by setting a filter to filter sewage in advance, and at the same time, a plurality of deformable flexible mesh covers are arranged in the outer shell, and when cleaning is required, the flexible mesh cover is continuously deformed by pulling the pull rod by hand, and the debris blocked on the flexible mesh cover can be effectively shaken out, so as to facilitate removal, and greatly improve the cleaning efficiency of the centrifugal pump equipment, but the filter plate side cannot be cleaned, and the cleaning inside the filter box is inconvenient to operate. Utility Model Content

[0004] The utility model aims to provide a sewage centrifugal pump to solve the problem in the prior art that one side of the filter plate cannot be cleaned and the cleaning inside the filter box is inconvenient.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewage centrifugal pump, comprising a sewage pump body, a water inlet and a water outlet are arranged on both sides of the lower part of the sewage pump body, a dust filter box is arranged at one end of the water inlet, a filter chamber and a debris removal chamber are arranged inside the dust filter box, a filter plate is slidably arranged inside the filter chamber through an internal bracket, a push plate is arranged at one end of the filter plate through the dust filter box that slides through a push rod, a slag discharge plate is longitudinally inserted into the upper part of the debris removal chamber through a discharge rod, a cleaning brush is arranged on one side of the slag discharge plate, and a slag discharge port is arranged at the bottom of the debris removal chamber.

[0006] Furthermore, the filter plate is a circular filter plate, and the filter plate is arranged parallel to the push plate.

[0007] Furthermore, the push plate is an annular plate, and the push plate sliding sleeve is arranged outside one end of the water inlet.

[0008] Furthermore, the push rod and the discharge rod are both slidably inserted into the through hole on the side wall of the dust filter box, and a sealing ring is provided on the inner wall of the through hole.

[0009] Furthermore, an upper pressing plate is provided at one end of the discharge rod, and a spring in a compressed state is sleeved on the outer side of the discharge rod between the upper pressing plate and the dust filter box.

[0010] Furthermore, the slag discharge plate is arranged transversely and parallelly inside the impurity discharge cavity, and the cleaning bristles are arranged perpendicularly to the filter plate.

[0011] Furthermore, an ash discharge baffle is laterally inserted into the inner wall of the slag discharge port, and one end of the ash discharge baffle is inserted and matched with a sealing groove of the side wall of the slag discharge port.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a filter plate is provided inside the filter chamber through sliding through an inner bracket, a slag discharge plate is longitudinally inserted into the upper part of the impurity discharge chamber through a discharge rod, and a push plate is provided at one end of the filter plate through a push rod sliding through a dust filter box. When it is necessary to discharge impurities filtered inside the filter chamber, the filter plate is moved out of the filter chamber through the push plate and the push rod, and the impurities are compressed in the impurity discharge chamber, and then the discharge rod pushes the slag discharge plate downward to discharge the filter residue out of the impurity discharge chamber, so that the slag discharge is convenient and quick.

[0014] 2. The utility model is provided with cleaning bristles on one side of the slag discharge plate, and the cleaning bristles are arranged vertically to the filter plate, so that when the filter plate is moved out of the filter chamber, the cleaning bristles can be used to clean one side of the filter plate when the slag discharge plate is pushed, and the filter plate is cleaned conveniently and quickly.

[0015] 3. In the utility model, the push plate is an annular plate, and the push plate sliding sleeve is arranged on the outside of one end of the water inlet. The push rod and the discharge rod slide through the through hole arranged on the side wall of the dust filter box, and the inner wall of the through hole is provided with a sealing ring, so that the push plate, the push rod and the filter plate can be slid and guided when the push plate, the push rod and the filter plate are moved horizontally, which is beneficial to improve the stability of the filter plate in the horizontal movement and slag discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is the overall structural front view of the utility model;

[0018] Figure 2This is a schematic diagram of the connection structure between the filter plate and the push plate of the utility model;

[0019] Figure 3 It is a schematic diagram of the connection structure between the slag discharge plate and the upper pressure plate of the utility model.

[0020] In the figure: 1. sewage pump body; 2. water inlet; 3. water outlet; 4. dust filter box; 5. inner bracket; 6. filter plate; 7. push rod; 8. push plate; 9. through hole; 10. debris discharge chamber; 11. filter chamber; 12. slag discharge port; 13. ash discharge baffle; 14. cleaning brush; 15. slag discharge plate; 16. unloading rod; 17. upper pressure plate; 18. spring. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 In the embodiment of the utility model, a sewage centrifugal pump includes a sewage pump body 1, a water inlet 2 and a drain port 3 are arranged on both sides of the lower part of the sewage pump body 1, a dust filter box 4 is arranged at one end of the water inlet 2, a filter chamber 11 and a discharge chamber 10 are arranged inside the dust filter box 4, a filter plate 6 is slidably arranged inside the filter chamber 11 through an inner bracket 5, one end of the filter plate 6 slides through the dust filter box 4 through a push rod 7 and is provided with a push plate 8, the filter plate 6 is a circular filter plate, and the filter plate 6 is arranged parallel to the push plate 8, and a discharge chamber 10 is longitudinally inserted with a discharge rod 16 in the upper part of the discharge chamber 10 A slag plate 15 and a slag discharge port 12 are provided at the bottom of the impurity discharge chamber 10, and an ash discharge baffle 13 is laterally inserted into the inner wall of the slag discharge port 12, and one end of the ash discharge baffle 13 is inserted and matched with the sealing groove of the side wall of the slag discharge port 12, so as to control the opening and closing of the slag discharge port 12. When it is necessary to discharge the impurities filtered in the filter chamber 11, the filter plate 6 is moved out of the filter chamber 11 by the push plate 8 and the push rod 7, and the impurities are compressed in the impurity discharge chamber 10, and then the slag discharge plate 15 is pushed down by the unloading rod 16 to discharge the filtered residue out of the impurity discharge chamber 10, so that the slag discharge is convenient and quick.

[0023] like Figure 1 and Figure 3As shown, in order to facilitate the cleaning of one side of the filter plate 6, a cleaning brush 14 is provided on one side of the slag discharge plate 15. The slag discharge plate 15 is arranged horizontally and parallelly inside the impurity discharge cavity 10, and the cleaning brush 14 is arranged vertically to the filter plate 6, so that when the filter plate 6 is moved out of the filter cavity 11, the cleaning brush 14 can be used to clean one side of the filter plate 6 when the slag discharge plate 15 is pushed, and the filter plate cleaning is convenient and quick.

[0024] like Figure 1 and Figure 2 As shown, in order to improve the stability of the lateral movement of the filter plate 6 for slag discharge, the push plate 8 is also made into an annular plate, and the push plate 8 is slidably sleeved on the outer side of one end of the water inlet 2, and the push rod 7 and the discharge rod 16 are both slidably penetrated through the through hole 9 on the side wall of the dust filter box 4, so that the push plate 8, the push rod 7 and the filter plate 6 can be slidably guided when the push plate 8, the push rod 7 and the filter plate 6 are lateral moved, which is beneficial to improve the stability of the lateral movement of the filter plate 6 for slag discharge, and a sealing ring is provided on the inner wall of the through hole 9 to facilitate improving the sealing of the push rod 7 and the discharge rod 16 slidingly inserted in the through hole 9.

[0025] like Figure 1 and Figure 3 As shown, in order to continuously extrude the slag discharge plate 15 for slag discharge, an upper pressure plate 17 is provided at one end of the discharge rod 16, and a compressed spring 18 is sleeved on the outer side of the discharge rod 16 between the upper pressure plate 17 and the dust filter box 4, so that the slag discharge plate 15 can be reset to the top of the impurity discharge chamber 10 by the spring 18, so as to facilitate continuous extrusion and slag discharge processing.

[0026] The working principle and use process of the utility model are as follows: when in use, a dust filter box 4 is provided through one end of the water inlet 2, and a filter chamber 11 and a debris removal chamber 10 are provided inside the dust filter box 4. A filter plate 6 is slidably provided inside the filter chamber 11 through an inner bracket 5, and a slag removal plate 15 is longitudinally inserted into the upper part of the debris removal chamber 10 through a discharge rod 116. One end of the filter plate 6 slides through the dust filter box 4 through a push rod 7 and is provided with a push plate 8. When it is necessary to discharge the impurities filtered inside the filter chamber 11, the filter plate 6 is moved out of the filter chamber 11 through the push plate 8 and the push rod 7, and the impurities are compressed in the debris removal chamber 10, and then the slag removal plate 15 is pushed downward by the discharge rod 16 to discharge the filtered residue out of the debris removal chamber 10, so that the slag removal is convenient and quick.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sewage centrifugal pump, comprising a sewage pump body (1), characterized in that: A water inlet (2) and a water outlet (3) are provided on both sides of the lower part of the sewage pump body (1); a dust filter box (4) is provided at one end of the water inlet (2); a filter chamber (11) and a debris discharge chamber (10) are provided inside the dust filter box (4); a filter plate (6) is slidably provided inside the filter chamber (11) through an inner bracket (5); a push plate (8) is provided at one end of the filter plate (6) which slides through the dust filter box (4) through a push rod (7); a slag discharge plate (15) is longitudinally inserted into the upper part of the debris discharge chamber (10) through a discharge rod (16); a cleaning brush (14) is provided on one side of the slag discharge plate (15); and a slag discharge port (12) is provided at the bottom of the debris discharge chamber (10).

2. A sewage centrifugal pump according to claim 1, characterized in that: The filter plate (6) is a circular filter plate, and the filter plate (6) and the push plate (8) are arranged in parallel.

3. A sewage centrifugal pump according to claim 2, characterized in that: The push plate (8) is an annular plate, and the push plate (8) is slidably sleeved on the outside of one end of the water inlet (2).

4. A sewage centrifugal pump according to claim 1, characterized in that: The push rod (7) and the discharge rod (16) are both slidably disposed through a through hole (9) on the side wall of the dust filter box (4), and a sealing ring is disposed on the inner wall of the through hole (9).

5. A sewage centrifugal pump according to claim 1, characterized in that: An upper pressing plate (17) is provided at one end of the discharge rod (16), and a spring (18) in a compressed state is sleeved on the outer side of the discharge rod (16) between the upper pressing plate (17) and the dust filter box (4).

6. A sewage centrifugal pump according to claim 1, characterized in that: The slag discharge plate (15) is arranged transversely and in parallel inside the impurity discharge cavity (10), and the cleaning bristles (14) are arranged perpendicularly to the filter plate (6).

7. A sewage centrifugal pump according to claim 6, characterized in that: An ash discharge baffle (13) is inserted transversely into the inner wall of the slag discharge port (12), and one end of the ash discharge baffle (13) is inserted and matched with a sealing groove on the side wall of the slag discharge port (12).

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