Cam pump integrated sewage discharging unit
By integrating a hard filter box and filter mesh in the cam pump, sewage and gravel in the sewage, the wear problem of cam pump is solved, extending the service life and improving the filtration efficiency.
Patent Information
- Application Number
- CN202421044600.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-14
AI Technical Summary
During the sewage suction process of cam pump, sediment and gravel can easily impact the rotor, resulting in faster wear and shorter pump service life.
A cam pump integrated sewage unloading unit is designed, including a hard filter box and filter mesh. The sewage is introduced into the filter mesh through the filter inlet and filter out pipe, sewage and gravel are intercepted, and the rotor is avoided, and the distribution cylinder is passed. Fix the filter with the positioning seat to ensure evenly flow of sewage.
It effectively protects the rotor of the cam pump, extends the service life, and improves the filtering efficiency of the filter, avoiding single point filtration.
Smart Images

Figure CN222315356U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cam pumps, in particular to a cam pump integrated sewage unloading unit. Background Art
[0002] The cam pump is a type of rotor pump;
[0003] A rotor pump is a pump that delivers liquid by the rotation of a rotor, and a cam pump is a specific type of rotor pump.
[0004] The working principle of the cam pump is mainly to form multiple closed working chambers between the rotors and the pump housing through two synchronously running rotors; as the rotors rotate, the volume of the working chambers changes periodically, thereby achieving the suction and discharge of liquid;
[0005] Cam pumps can be used to discharge sewage; they have strong self-priming ability and the ability to transport high-viscosity, solid particle-containing media, can adapt to the complex characteristics of sewage, and are widely used in sewage treatment and other fields;
[0006] When the cam pump is sucking and unloading sewage, the mud, sand and gravel in the sewage will enter the interior of the cam pump through the sewage inlet pipe and impact the rotor inside the cam pump, which can easily cause the rotor and related components to wear faster and shorten the service life of the pump. Utility Model Content
[0007] The purpose of the utility model is to provide a cam pump integrated sewage unloading unit to solve the defects mentioned in the above background technology.
[0008] To achieve the above-mentioned purpose, a cam pump integrated sewage unloading unit is provided, including a cam pump unit, wherein the base surface of the cam pump unit is respectively screwed and fixed with a driving motor and a cam pump body, and the cam pump body is driven by the driving motor, and at the same time, a sewage inlet pipe is installed on one side of the cam pump body, and a sewage discharge pipe is installed on the other side of the cam pump body; the base surface of the cam pump unit is screwed and fixed with a mounting platform, and a hard filter box is fixedly arranged on the surface of the mounting platform, and at the same time, an upper cover is screwed and fixed on the surface of the hard filter box, and a filter screen is fixedly arranged inside the hard filter box, a filter inlet pipe is installed on the right side of the hard filter box, and a filter outlet pipe is installed on the left side of the hard filter box, and at the same time, the end of the filter outlet pipe is fixedly connected to the sewage inlet pipe through a flange.
[0009] Preferably, the mounting platform is a "U"-shaped structure made of metal material, and the mounting platform covers the outside of the cam pump body, and a through hole with a size larger than the sewage inlet pipe is opened on the mounting platform.
[0010] Preferably, a base is fixedly provided on the inner wall surface of the hard filter box, and the end of the filter screen is screwed and fixed on the surface of the base, and a distribution cylinder is provided above the filter screen.
[0011] Preferably, one end of the distribution tube is fixed to the positioning seat, and the other end of the distribution tube is fixedly connected to the filter inlet pipe, and the positioning seat is inserted into a positioning groove provided on the inner wall surface of the upper cover.
[0012] Preferably, three groups of distribution holes are evenly arranged at the bottom of the distribution cylinder, and the three groups of distribution holes are all elliptical structures. At the same time, the distance between two adjacent groups of distribution holes is consistent, and the three groups of distribution holes are all arranged directly above the filter screen.
[0013] Preferably, a fixed limiting seat is welded to the end of the filter inlet pipe, and the limiting seat is circular in shape. At the same time, the limiting seat is clamped in a limiting groove opened on the right side wall of the upper cover and fixed by bolts.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The cam pump body starts to work, and the sewage in the sewage pool enters the surface of the filter screen through the filter inlet pipe and the distribution tube. The filter screen intercepts the hard impurities such as mud and gravel in the sewage to prevent the hard impurities in the sewage from impacting the rotor inside the cam pump body, thereby protecting the cam pump body and increasing the service life of the cam pump body.
[0016] The three groups of distribution holes are all set directly above the filter. The sewage flows out from the three groups of distribution holes and can evenly impact the surface of the filter, thereby improving the filtering efficiency of the filter and avoiding single-point filtering of the filter. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;
[0018] Figure 2 The utility model structure Figure 1 Side view of
[0019] Figure 3 This is a schematic diagram of the internal structure of the hard filter box of the utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the filter inlet pipe of the utility model;
[0021] Figure 5 The utility model structure Figure 4 Top view of the .
[0022] Numbers in the figure: 1, cam pump unit; 2, driving motor; 3, cam pump body; 4, sewage inlet pipe; 5, mounting platform; 6, filter outlet pipe; 7, filter inlet pipe; 71, limit seat; 72, distribution cylinder; 73, positioning seat; 74, distribution hole; 8, hard filter box; 81, upper cover; 82, filter screen. DETAILED DESCRIPTION
[0023] See also Figure 1-5 The utility model provides a cam pump integrated sewage unloading unit, including a cam pump unit 1, the base surface of the cam pump unit 1 is respectively screwed and fixed with a driving motor 2 and a cam pump body 3, and the cam pump body 3 is driven by the driving motor 2, and at the same time, a sewage inlet pipe 4 is installed on one side of the cam pump body 3, and a sewage discharge pipe is installed on the other side of the cam pump body 3; the base surface of the cam pump unit 1 is screwed and fixed with a mounting platform 5, and a hard filter box 8 is fixedly arranged on the surface of the mounting platform 5, and at the same time, an upper cover 81 is screwed and fixed on the surface of the hard filter box 8, and a filter screen 82 is fixedly arranged inside the hard filter box 8, a filter inlet pipe 7 is installed on the right side of the hard filter box 8, and a filter outlet pipe 6 is installed on the left side of the hard filter box 8, and at the same time, the end of the filter outlet pipe 6 is fixedly connected to the sewage inlet pipe 4 through a flange.
[0024] Working principle: A suction pipe can be installed at the end of the filter inlet pipe 7, and the suction pipe is inserted into the sewage pool. When unloading sewage, the switch of the drive motor 2 is started, and the cam pump body 3 starts to work. The sewage inside the sewage pool enters the surface of the filter screen 82 from the filter inlet pipe 7 and the distribution tube 72. The filter screen 82 intercepts hard impurities such as mud and gravel in the sewage, preventing the hard impurities in the sewage from impacting the rotor inside the cam pump body 3, thereby protecting the cam pump body 3 and increasing the service life of the cam pump body 3.
[0025] As a preferred embodiment, the mounting platform 5 is a "U"-shaped structure made of metal material, and the mounting platform 5 covers the outside of the cam pump body 3. At the same time, a through hole larger than the sewage inlet pipe 4 is opened on the mounting platform 5.
[0026] A support is fixedly provided on the inner wall surface of the hard filter box 8 , and the end of the filter screen 82 is screwed and fixed on the surface of the support. Meanwhile, a distribution cylinder 72 is provided above the filter screen 82 .
[0027] The filter screen 82 can be provided to intercept gravel and silt in sewage and protect the rotor in the cam pump body 3 .
[0028] As a preferred embodiment, one end of the distribution tube 72 is fixed to the positioning seat 73 , and the other end of the distribution tube 72 is fixedly connected to the filter inlet tube 7 , and the positioning seat 73 is inserted into the positioning groove opened on the inner wall surface of the upper cover 81 .
[0029] When installing the filter inlet pipe 7, hold the distribution tube 72, insert the distribution tube 72 into the interior of the upper cover 81, and insert the positioning seat 73 into the positioning groove provided on the inner wall surface of the upper cover 81, and finally install the limiting seat 71 into the limiting groove provided on the right side wall of the upper cover 81 and fix it with bolts to complete the installation of the filter inlet pipe 7;
[0030] The hard filter box 8, the upper cover 81, the limiting seat 71 and the limiting groove can be sealed by a sealing gasket to avoid leakage at the connection.
[0031] As a preferred embodiment, three groups of distribution holes 74 are evenly arranged at the bottom of the distribution tube 72 , and the three groups of distribution holes 74 are all elliptical structures. At the same time, the distance between two adjacent groups of distribution holes 74 is consistent, and the three groups of distribution holes 74 are all arranged directly above the filter screen 82 .
[0032] The three groups of distribution holes 74 are all arranged directly above the filter screen 82. The sewage flows out from the three groups of distribution holes 74 and can evenly impact the surface of the filter screen 82, thereby improving the filtering efficiency of the filter screen 82 and avoiding single-point filtering of the filter screen 82.
[0033] As a preferred embodiment, a fixed limit seat 71 is welded to the end of the filter inlet tube 7, and the limit seat 71 is circular. At the same time, the limit seat 71 is clamped in a limit groove opened on the right side wall of the upper cover 81 and fixed by bolts.
Claims
1. A cam pump integrated sewage discharge unit, comprising a cam pump unit (1), characterized in that: The base surface of the cam pump unit (1) is respectively screwed to fix the driving motor (2) and the cam pump body (3), and the cam pump body (3) is driven by the driving motor (2). At the same time, a sewage inlet pipe (4) is installed on one side of the cam pump body (3), and a sewage discharge pipe is installed on the other side of the cam pump body (3); the base surface of the cam pump unit (1) is screwed to fix the mounting platform (5), and a hard filter box (8) is fixedly arranged on the surface of the mounting platform (5), and an upper cover (81) is screwed to fix the surface of the hard filter box (8), and a filter screen (82) is fixedly arranged inside the hard filter box (8), a filter inlet pipe (7) is installed on the right side of the hard filter box (8), and a filter outlet pipe (6) is installed on the left side of the hard filter box (8), and the end of the filter outlet pipe (6) is fixedly connected to the sewage inlet pipe (4) through a flange.
2. A cam pump integrated sewage discharge unit according to claim 1, characterized in that: The mounting platform (5) is a "U"-shaped structure made of metal material, and the mounting platform (5) covers the outer side of the cam pump body (3). At the same time, a through hole with a size larger than the sewage inlet pipe (4) is opened on the mounting platform (5).
3. The cam pump integrated sewage discharge unit according to claim 1, characterized in that: A support platform is fixedly arranged on the inner wall surface of the hard filter box (8), and the end of the filter screen (82) is screwed and fixed on the surface of the support platform. At the same time, a distribution cylinder (72) is arranged above the filter screen (82).
4. The cam pump integrated sewage unloading unit according to claim 3 is characterized in that: One end of the distribution tube (72) is fixed to the positioning seat (73), and the other end of the distribution tube (72) is fixedly connected to the filter inlet tube (7), and the positioning seat (73) is inserted into a positioning groove provided on the inner wall surface of the upper cover (81).
5. The cam pump integrated sewage unloading unit according to claim 4, characterized in that: The bottom of the distribution cylinder (72) is evenly provided with three groups of distribution holes (74), and the three groups of distribution holes (74) are all elliptical structures. Meanwhile, the distance between two adjacent groups of distribution holes (74) is consistent, and the three groups of distribution holes (74) are all arranged directly above the filter screen (82).
6. The cam pump integrated sewage unloading unit according to claim 4, characterized in that: The end of the filter inlet pipe (7) is welded to a fixed limiting seat (71), and the limiting seat (71) is circular in shape. The limiting seat (71) is clamped in a limiting groove provided on the right side wall of the upper cover (81) and fixed by bolts.