Filtering device for sewage pump
By introducing filtering and dredging mechanisms into the sewage pump, the problems of easy clogging of the sewage pump and cumbersome filter screens are solved, the impurities are crushed and discharged, and the filter screen is easily installed, thus improving the operating stability of the equipment.
Patent Information
- Application Number
- CN202422660935.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-01
AI Technical Summary
Existing sewage pumps are easily clogged by sludge during use, and the installation and removal of the filter are cumbersome, and lack the function of crushing and discharging debris.
A sewage pump filtering device including a filtering mechanism and a dredging mechanism is designed. The filtering mechanism intercepts impurities through the first filter screen, the crushing leaves crush the impurities, and the second filter screen discharges them. The dredging mechanism drives the dredging head to perform reciprocating motion dredging through the transmission frame. The design of the wedge block and the spring facilitates the installation and disassembly of the filter screen.
It realizes the effective crushing and discharge of impurities, simplifies the installation and disassembly process of the filter, avoids pump blockage, and improves the use efficiency of the equipment.
Smart Images

Figure CN223424214U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filtration of sewage pumps, in particular to a filtration device for a sewage pump. Background Art
[0002] A sewage pump is a device used to transport liquids containing solid particles, wastewater, dirt and other dirty matter from one place to another. These pumps are usually designed to handle sewage, industrial wastewater, urban drainage systems and other occasions where wastewater needs to be removed or treated. Sewage pumps are usually divided into two categories: submersible pumps and non-submersible pumps.
[0003] When the existing equipment is in use, although the pump body has its own filtering effect, it is not able to crush and discharge the debris. The installation and removal of the filter is also relatively cumbersome. In addition, since sewage usually flows together with sludge, it is easy to clog the pump body, affecting the normal use of the equipment. Utility Model Content
[0004] In order to make up for the above deficiencies, the present invention provides a filtering device for a sewage pump that overcomes the above technical problems or at least partially solves the above problems.
[0005] The utility model is achieved in this way:
[0006] The utility model provides a filtering device for a sewage pump, comprising a pump body, a water inlet is provided on the left side of the pump body, and a water outlet is provided on the right side of the pump body.
[0007] A filtering mechanism, the filtering mechanism comprising:
[0008] A filter frame, the filter frame being slidably mounted inside the water inlet;
[0009] a first filter screen, the first filter screen being fixedly mounted inside the filter frame;
[0010] a second filter screen installed inside the water outlet;
[0011] A rotating rod, the rotating rod being rotatably mounted inside the pump body;
[0012] Crushing leaves, the crushing leaves are fixedly mounted on the surface of the rotating rod;
[0013] The dredging mechanism is arranged inside the pump body.
[0014] In a preferred embodiment, the dredging mechanism includes:
[0015] A fixing block, the fixing block being fixedly mounted on the top of the inner wall of the pump body;
[0016] A sliding rod, the sliding rod being slidably mounted inside the fixed block;
[0017] The dredging head is fixedly installed on the right side of the sliding rod.
[0018] In a preferred solution, positioning blocks are fixedly installed on the front and rear sides of the inner wall of the water inlet, and movable grooves are opened on the front and rear sides of the inner wall of the water inlet. A wedge block is slidably installed inside the movable groove, and the shape of the left side of the wedge block is set to be inclined, and the shape of the right side of the wedge block is consistent with the shape of the filter frame.
[0019] In a preferred solution, a spring is fixedly installed on the front side of the inner wall of the movable groove, and the other end of the spring is fixedly connected to the front side of the wedge block.
[0020] In a preferred solution, a positioning rod is fixedly mounted on the front side of the wedge block, and a handle is fixedly mounted on the front side of the positioning rod.
[0021] In a preferred solution, a rotating disk is fixedly mounted on the top of the rotating rod, and a rotating shaft is fixedly mounted on the top of the rotating disk.
[0022] In a preferred solution, a transmission frame is fixedly installed on the left side of the slide rod, a transmission groove is opened on the top of the transmission frame, and the transmission groove is sleeved on the surface of the rotating shaft.
[0023] In a preferred solution, a motor is fixedly installed inside the pump body, and an output end of the motor is fixedly connected to the bottom of the rotating rod.
[0024] The utility model provides a filtering device for a sewage pump, which has the following beneficial effects:
[0025] 1. By setting up a filtering mechanism, sewage and debris enter the interior of the pump body through the first filter screen. Some impurities are intercepted by the first filter screen. Start the motor, and the rotating rod drives the crushing blade to rotate, crushing the impurities and then discharging them through the second filter screen. Move the two handles in opposite directions to retract the wedge into the interior of the movable groove. At this time, the filter frame can be taken out, thus solving the problems that the sewage pump does not have the ability to crush and discharge debris, and the installation and disassembly of the filter screen is relatively cumbersome.
[0026] 2. By setting up a dredging mechanism, the rotating rod drives the turntable to rotate when it rotates, and the rotating shaft squeezes the inner wall of the transmission shaft. Through the cooperation of the fixed block, the transmission frame drives the sliding rod to reciprocate, so that the dredging head dredges the water outlet back and forth, thereby preventing sludge from clogging the pump body. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as a limitation to the scope. Other related drawings can also be obtained by those skilled in the art without creative effort, on the premise of not paying creative effort.
[0028] Figure 1 is a schematic diagram of the overall structure provided by the embodiments of the present application;
[0029] Figure 2 is a partial cross-sectional view of the pump body provided by the embodiments of the present application;
[0030] Figure 3 is a partial cross-sectional view of the pump body provided by the embodiments of the present application from the left side;
[0031] Figure 4 is a partial cross-sectional view of the pump body provided by the embodiments of the present application from the left side; Figure 3 is an enlarged view of part A in the above figure.
[0032] In the figure: 1, pump body; 2, water inlet; 3, water outlet; 4, filter frame; 5, first filter screen; 6, second filter screen; 7, rotating rod; 8, crushing blade; 9, fixed block; 10, sliding rod; 11, dredging head; 12, positioning block; 13, moving groove; 14, wedge block; 15, spring; 16, positioning rod; 17, handle; 18, rotating disc; 19, rotating shaft; 20, transmission frame; 21, transmission groove; 22, motor.
[0033] 11, dredging head; 12, positioning block; 13, moving groove; 14, wedge block; 15, spring; 16, positioning rod; 17, handle; 18, rotating disc; 19, rotating shaft; 20, transmission frame; 21, transmission groove; 22, motor. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort, fall within the scope of protection of the present application.
[0035] EMBODIMENT
[0036] Reference Figure 1-4The utility model provides a technical solution: a filtering device for a sewage pump, comprising a pump body 1, a water inlet 2 is opened on the left side of the pump body 1, and a water outlet 3 is installed on the right side of the pump body 1. The filtering mechanism comprises a filter frame 4, a first filter screen 5, a second filter screen 6, a rotating rod 7 and a crushing leaf 8. The filter frame 4 is slidably mounted inside the water inlet 2, the first filter screen 5 is fixedly mounted inside the filter frame 4, the second filter screen 6 is mounted inside the water outlet 3, the rotating rod 7 is rotatably mounted inside the pump body 1, and the crushing leaf 8 is fixedly mounted on the surface of the rotating rod 7. The dredging mechanism is arranged inside the pump body 1, and positioning blocks 12 are fixedly mounted on the front and rear sides of the inner wall of the water inlet 2, and a movable groove 13 is opened on the front and rear sides of the inner wall of the water inlet 2. A wedge 14 is slidably mounted inside the movable groove 13, and the shape of the left side of the wedge block 14 is set to be inclined, and the shape of the right side of the wedge block 14 is consistent with the shape of the filter frame 4. A spring 15 is fixedly mounted on the front side of the inner wall of the movable groove 13, and the other end of the spring 15 is fixed to the The front side of the wedge block 14 is fixedly connected, and a positioning rod 16 is fixedly installed on the front side of the wedge block 14. A handle 17 is fixedly installed on the front side of the positioning rod 16. A motor 22 is fixedly installed inside the pump body 1, and the output end of the motor 22 is fixedly connected to the bottom of the rotating rod 7. By setting a filtering mechanism, sewage and debris pass through the first filter screen 5 into the interior of the pump body 1, and some impurities are intercepted by the first filter screen 5. When the motor 22 is started, the rotating rod 7 drives the crushing blades 8 to rotate, crushing the impurities and then discharging them through the second filter screen 6. The two handles 17 are moved in opposite directions to retract the wedge block 14 into the interior of the movable groove 13. At this time, the filter frame 4 can be taken out and the filter frame 4 is moved to the right. The wedge block 14 is squeezed and retracted into the interior of the movable groove 13, and then popped out again by the rebound force of the spring 15. The first filter screen 4 is limited by the cooperation of the positioning block 12, thereby solving the problem that the sewage pump does not have the function of crushing and discharging the debris, and the installation and disassembly of the filter screen are relatively cumbersome.
[0037] Reference Figure 1-4 The dredging mechanism includes a fixed block 9, a sliding rod 10 and a dredging head 11. The fixed block 9 is fixedly mounted on the top of the inner wall of the pump body 1, the sliding rod 10 is slidably mounted inside the fixed block 9, and the dredging head 11 is fixedly mounted on the right side of the sliding rod 10. A turntable 18 is fixedly mounted on the top of the rotating rod 7, and a rotating shaft 19 is fixedly mounted on the top of the rotating disk 18. A transmission frame 20 is fixedly mounted on the left side of the sliding rod 10. A transmission groove 21 is opened on the top of the transmission frame 20, and the transmission groove 21 is sleeved on the surface of the rotating shaft 19. By setting up the dredging mechanism, when the rotating rod 7 rotates, the turntable 18 is driven to rotate, and the rotating shaft 19 causes extrusion on the inner wall of the transmission shaft. Through the cooperation of the fixed block 9, the transmission frame 20 drives the sliding rod 10 to reciprocate, so that the dredging head 11 performs reciprocating dredging on the water outlet 3, thereby preventing sludge from blocking the pump body 1.
[0038] When the filter screen 5 is in the working state, the filter 14 is in the working state, and the filter 14 is in the working state.
[0039] It should be noted that the motor 22 is a device or equipment existing in the prior art, or a device or equipment that can be realized in the prior art. Its power supply, specific composition and principles are clear to those skilled in the art, so they are not described in detail.
Claims
1. A filtering device for a sewage pump, comprising a pump body (1), a water inlet (2) being provided on the left side of the pump body (1), and a water outlet (3) being provided on the right side of the pump body (1), characterized in that: A filtering mechanism, the filtering mechanism comprising: A filter frame (4), wherein the filter frame (4) is slidably mounted inside the water inlet (2); a first filter screen (5), the first filter screen (5) being fixedly mounted inside the filter frame (4); a second filter screen (6), the second filter screen (6) being installed inside the water outlet (3); A rotating rod (7), the rotating rod (7) being rotatably mounted inside the pump body (1); Crushing leaves (8), the crushing leaves (8) are fixedly mounted on the surface of the rotating rod (7); A dredging mechanism is provided inside the pump body (1).
2. A filtering device for a sewage pump according to claim 1, characterized in that: The dredging mechanism includes: A fixed block (9), the fixed block (9) being fixedly mounted on the top of the inner wall of the pump body (1); A slide bar (10), wherein the slide bar (10) is slidably mounted inside the fixed block (9); A dredging head (11) is fixedly mounted on the right side of the slide bar (10).
3. A filtering device for a sewage pump according to claim 2, characterized in that: Positioning blocks (12) are fixedly installed on both the front and rear sides of the inner wall of the water inlet (2), and movable grooves (13) are opened on both the front and rear sides of the inner wall of the water inlet (2). A wedge block (14) is slidably installed inside the movable groove (13), and the shape of the left side of the wedge block (14) is set to be inclined, and the shape of the right side of the wedge block (14) is consistent with the shape of the filter frame (4).
4. A filtering device for a sewage pump according to claim 3, characterized in that: A spring (15) is fixedly installed on the front side of the inner wall of the movable groove (13), and the other end of the spring (15) is fixedly connected to the front side of the wedge block (14).
5. A filtering device for a sewage pump according to claim 4, characterized in that: A positioning rod (16) is fixedly mounted on the front side of the wedge block (14), and a handle (17) is fixedly mounted on the front side of the positioning rod (16).
6. A filtering device for a sewage pump according to claim 5, characterized in that: A rotating disk (18) is fixedly mounted on the top of the rotating rod (7), and a rotating shaft (19) is fixedly mounted on the top of the rotating disk (18).
7. A filtering device for a sewage pump according to claim 6, characterized in that: A transmission frame (20) is fixedly mounted on the left side of the slide bar (10), a transmission groove (21) is provided on the top of the transmission frame (20), and the transmission groove (21) is sleeved on the surface of the rotating shaft (19).
8. The filtering device for a sewage pump according to claim 7, characterized in that: A motor (22) is fixedly installed inside the pump body (1), and the output end of the motor (22) is fixedly connected to the bottom of the rotating rod (7).