Submersible sewage draining pump filtering device
By designing a submersible sewage pump filtration device with a multi-stage filtration structure, the problem of foreign object blockage in the water accumulation pit at the construction site was solved, and the reliable operation and efficient maintenance of the drainage pump were achieved.
Patent Information
- Application Number
- CN202520394684.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing submersible sewage pumps are prone to clogging of the inlet by foreign objects in water accumulation pits at construction sites, resulting in reduced water intake, poor motor heat dissipation, and easy malfunctions. Existing wire mesh filtration is also ineffective.
A submersible sewage pump filtration device was designed, comprising a slotted vertical plate, a porous semi-enclosed filter tray, and an embedded pull-out filter plate. It filters accumulated water in stages through multi-stage filtration to prevent blockage by foreign objects and is removable for cleaning.
It effectively prevents foreign objects from clogging the pump, improves the reliability of the drainage pump, reduces equipment failures, facilitates operation and maintenance, and improves construction efficiency.
Smart Images

Figure CN223894565U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to water treatment equipment technical field, concretely relates to a filter device of sewage drainage pump. BACKGROUND
[0002] In the construction engineering construction process, the construction site will have the water pit, therefore need to apply the drainage pump to the water pit of the planning area carries out the external pumping operation. The pumping operation is carried out by using the sewage drainage pump, and it is an effective method. But because there are many sundries in the water pit, the sewage drainage pump often appears the condition of sundry blockage in the water pumping process. The sundry blockage of the water inlet of the drainage pump can cause the water inflow to reduce, and the internal motor of the drainage pump cannot be cooled in time, and further lead to the motor failure. At present, the construction site also uses the way of setting the wire mesh at the water inlet to filter the sundries in the water, but the actual filtering effect is very general, therefore a more effective means is needed to reduce the blockage of the drainage pump.
[0003] Based on this, the utility model provides a filter device of sewage drainage pump to solve the above problems. SUMMARY
[0004] The utility model discloses a kind of filter devices of sewage drainage pump to solve the problems of prior art.
[0005] The utility model discloses the following technical solutions:
[0006] The utility model provides a kind of filter device of sewage drainage pump, including drainage pump and protection box, drainage pump is set in protection box inside;The tank wall of protection box is equipped with water inlet, and filter mechanism is arranged at water inlet, and the water in water pit can be filtered by filter mechanism, and enter protection box by water inlet;Drainage hole is opened on the protection box, and the water outlet pipe of drainage pump is communicated with outside by passing through drainage hole, and the water discharged by drainage pump can be discharged from protection box by water outlet pipe.
[0007] As further optimization of the utility model, it also has the following characteristics: the filter mechanism includes a slot vertical plate;The slot vertical plate is detachably fixedly connected with the tank wall of the protection box equipped with water inlet, and the slot vertical plate covers the water inlet;The slot vertical plate is hollow, and a plurality of first through holes are formed in the two side walls of the slot vertical plate, and the slot vertical plate is filled with filter filler.
[0008] As further optimization of the utility model, it also has the following characteristics: the filter filler includes a plurality of hollow wire balls, and the hollow wire balls are provided with water-permeable porous stones.
[0009] As further optimization of the utility model, still have such characteristics: the filter mechanism still includes front multi -hole semi -closed filter groove board and embedded type pull filter plate, the front multi -hole semi -closed filter groove board is set up in the one side of the slot vertical plate and is opposite the protection box, with slot vertical plate detachable fixed connection, the front multi -hole semi -closed filter groove board inside hollow, top open, the embedded type pull filter plate can be inserted in its inside from the top of the front multi -hole semi -closed filter groove board, and is arranged in the front multi -hole semi -closed filter groove board, the front multi -hole semi -closed filter groove board two side walls are set up with a plurality of second through -hole respectively, and the embedded type pull filter plate is set up with a plurality of third through -hole.
[0010] As further optimization of the utility model, still have such characteristics: the front multi -hole semi -closed filter groove board and the shape, length and width of slot vertical plate are consistent, and the front multi -hole semi -closed filter groove board completely covers the slot vertical plate, the embedded type pull filter plate outer wall and the front multi -hole semi -closed filter groove board inner wall are attached, or the embedded type pull filter plate outer wall and the front multi -hole semi -closed filter groove board inner wall have a gap.
[0011] As further optimization of the utility model, still have such characteristics: the front multi -hole semi -closed filter groove board bottom is provided with more than one reserved hole, and the embedded type pull filter plate lower surface is provided with a plurality of movable rods corresponding to the number and position of the reserved holes, the outer diameter of the movable rod is less than the diameter of the reserved hole, the movable rod passes through the reserved hole and is fixedly connected with the foot pad, and the outer diameter of the foot pad is greater than the diameter of the reserved hole.
[0012] As further optimization of the utility model, still have such characteristics: the front multi -hole semi -closed filter groove board and the slot vertical plate are connected through the bolt and nut fixing piece.
[0013] As further optimization of the utility model, still have such characteristics: the embedded type pull filter plate top is provided with a horizontal pull rod, and the slot vertical plate top is provided with a pull ring.
[0014] As further optimization of the utility model, still have such characteristics: the hole size of the first through -hole, third through -hole and second through -hole gradually increases.
[0015] As further optimization of the utility model, still have such characteristics: the protection box wall provided with the water inlet is provided with an embedded magnet strip, and the slot vertical plate is fixedly connected with the box through the embedded magnet strip.
[0016] As further optimization of the utility model, still have such characteristics: the protection box wall provided with the water inlet is provided with a sliding groove, the slot vertical plate is provided with a sliding block, and the slot vertical plate is connected with the box through the sliding block and sliding groove.
[0017] As further optimization of the utility model, still have such characteristics: the protection box is cuboid structure, the water inlet is opened on the box wall of cuboid structure one end face; The water inlet includes several groups of horizontal long hole distribution up and down; The embedded magnet strip / slide groove is distributed in both sides of the water inlet.
[0018] The utility model has the advantages of:
[0019] (1) the utility model discloses a slot vertical plate, porous semi-closed filter groove plate and embedded pull filter plate are set up, one aspect can carry out segmented filtration to the water in the water pit, avoids the large -sized sundries with water flow suction, prevents the foreign matter and blocks the drainage pump, the other aspect can carry out cleaning to the filter hole through embedded pull filter plate vibration;
[0020] (2) in the utility model, the slot vertical plate, porous semi-closed filter groove plate and embedded pull filter plate can be detached, and it is convenient to repair, wash and replace;
[0021] (3) the utility model discloses simple structure, and device assembly is simple and easy to operate, and convenient operation and maintenance, can reduce equipment failure occurrence rate, improves work efficiency. DRAWINGS:
[0022] Figure 1 is the isometric view of submersible sewage drainage pump filter device;
[0023] Figure 2 is the isometric view of protection box;
[0024] Figure 3 is the isometric view of embedded pull filter plate;
[0025] Figure 4 is the isometric view of front porous semi-closed filter groove plate;
[0026] Figure 5 is the isometric view of slot vertical plate and front porous semi-closed filter groove plate connection;
[0027] Figure 6 is the interface diagram of slot vertical plate and protection box connection;
[0028] Figure 7 is the isometric view of hollow iron ball and water-permeable porous stone;
[0029] The mark in the drawing is:
[0030] 1. Protective housing; 2. Water outlet pipe; 3. Slot upright plate; 4. Hollowed-out wire ball; 5. Permeable porous stone; 6. Front-mounted porous semi-enclosed filter tray; 7. Embedded pull-out filter plate; 8. Movable rod; 9. Foot pad; 10. Horizontal pull rod; 11. Pull ring; 12. Embedded magnetic strip; 13. Bolt; 14. Nut; 15. Drain hole; 16. Water inlet; 17. Drain pump. Detailed implementation method:
[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0032] This utility model provides a submersible sewage pump filtration device, including a drainage pump and a protective housing 1, with the drainage pump installed inside the protective housing 1.
[0033] like Figures 1-2 As shown, the protective housing 1 has a cuboid structure. A water inlet is located on one end wall of the cuboid structure, and a filter mechanism is installed at the inlet. Water accumulated in the sump can be filtered by the filter mechanism and enter the protective housing 1 through the inlet. A drain hole is provided on the protective housing 1, and the outlet pipe 2 of the drain pump passes through the drain hole to connect with the outside. Water discharged by the drain pump can be discharged from the protective housing 1 through the outlet pipe 2. The outer edge of the outlet pipe 2 is sealed to the protective housing 1 with sealant.
[0034] like Figure 1 As shown, the filtration mechanism includes a slot plate 3, which is detachably and fixedly connected to the wall of the protective housing 1, which has a water inlet, and the slot plate 3 covers the water inlet. The slot plate 3 is hollow inside, and several first through holes are respectively opened on its two side walls. The slot plate 3 is filled with filter media, the type of which can be selected according to actual conditions. Specifically, in this embodiment, the filter media includes multiple perforated wire balls 4, and permeable porous stones 5 are arranged inside the perforated wire balls 4. Figure 7 The hollowed-out wire ball 4 and the permeable porous stone 5 can filter the accumulated water, preventing debris in the water from clogging the drainage pump and causing it to malfunction.
[0035] like Figure 1 and Figures 3-5As shown, the filtering mechanism further comprises a front porous semi-closed filter groove plate 6 and an embedded pull-out filter plate 7. The front porous semi-closed filter groove plate 6 is arranged on the side of the slot vertical plate 3 away from the protection box 1 and is detachably fixed to the slot vertical plate 3. The front porous semi-closed filter groove plate 6 is hollow inside and open at the top end, and the embedded pull-out filter plate 7 can be inserted into the inside of the front porous semi-closed filter groove plate 6 from the top end and movably arranged in the front porous semi-closed filter groove plate 6. The two side walls of the front porous semi-closed filter groove plate 6 are respectively provided with a plurality of second through holes, and the embedded pull-out filter plate 7 is provided with a plurality of third through holes. The hole sizes of the first through holes, the third through holes and the second through holes gradually increase.
[0036] In application, under the action of the drainage pump, the accumulated water in the accumulated water pit sequentially passes through the second through holes of the outer wall, the third through holes, the second through holes of the inner wall, the first through holes of the outer wall, the filtering filler and the first through holes of the inner wall for multi-stage filtration, and the sundries are filtered out of the protection box 1, and the filtered accumulated water enters the protection box 1 through the water inlet and is then discharged from the protection box 1 through the water outlet pipeline 2 of the drainage pump to realize the drainage operation. When the second through holes of the front porous semi-closed filter groove plate 6 are blocked by sundries, the embedded pull-out filter plate 7 is pulled up and down, and under the action of friction, the embedded pull-out filter plate 7 carries out the sundries in the holes to achieve the effect of removing the blocking sundries.
[0037] As shown in the drawings, Figure 5 The front porous semi-closed filter groove plate 6 is consistent with the shape, length and width of the slot vertical plate 3, and the front porous semi-closed filter groove plate 6 completely covers the slot vertical plate 3. The outer wall of the embedded pull-out filter plate 7 is attached to the inner wall of the front porous semi-closed filter groove plate 6, or there is a small gap between the outer wall of the embedded pull-out filter plate 7 and the inner wall of the front porous semi-closed filter groove plate 6.
[0038] As a preferred embodiment of the utility model, the bottom surface of the front porous semi-closed filter groove plate 6 is provided with two reserved holes, and the lower surface of the embedded pull-out filter plate 7 is provided with two movable rods 8 corresponding to the positions of the reserved holes, as shown in the drawings, Figure 3 The outer diameter of the movable rod 8 is smaller than the diameter of the reserved hole, the movable rod 8 is fixedly connected to the steel foot 9 through the reserved hole, and the outer diameter of the foot 9 is greater than the diameter of the reserved hole. The movable rod 8 has a certain height, the embedded pull-out filter plate 7 can be pulled up and down within the height range, and the foot 9 cannot pass through the reserved hole, so that impact occurs during pulling out of the embedded pull-out filter plate 7, thereby generating vibration, which is helpful for the falling of sundries in the hole.
[0039] As a preferred embodiment of the utility model, as shown in the drawings, Figure 1 and Figure 5As shown in the figure, the front multi-hole semi-closed filter groove plate 6 is connected with the slot vertical plate 3 through a bolt-nut fixing piece. The front multi-hole semi-closed filter groove plate 6 and the slot vertical plate 3 are respectively fixedly installed with nuts, and the detachable connection of the front multi-hole semi-closed filter groove plate 6 and the slot vertical plate 3 is realized by connecting the bolt with the two nuts at the same time.
[0040] As a preferred embodiment of the utility model, as Figure 3 As shown in the figure, the embedded pull-out filter plate 7 is provided with a horizontal pull rod 10 at the top, which facilitates the pull-out operation of the embedded pull-out filter plate 7. As Figure 5 As shown in the figure, the slot vertical plate 3 is provided with a pull ring 11 at the top, which facilitates the taking and placing of the slot vertical plate 3.
[0041] As Figure 6 As shown in the figure, the protection box 1 box wall provided with a water inlet is provided with an embedded magnet strip 12, and the slot vertical plate 3 is detachably connected with the box 1 through the embedded magnet strip 12. In other embodiments of the utility model, the protection box 1 box wall provided with a water inlet is provided with a sliding groove, and the slot vertical plate 3 is provided with a sliding block, and the slot vertical plate 3 is connected with the box 1 through the sliding block and the sliding groove. The water inlet comprises a plurality of groups of horizontally long holes distributed vertically, and the embedded magnet strip 12 or the sliding groove is symmetrically distributed on both sides of the water inlet.
[0042] The utility model discloses a slot vertical plate 3, multi-hole semi-closed filter groove plate 6 and embedded pull-out filter plate 7 are set up, one aspect can carry out segmented filtration to the water in the water pit, prevent foreign matter from blocking the drainage pump, another aspect can clean the filter hole through the embedded pull-out filter plate 7. Meanwhile, the slot vertical plate 3, multi-hole semi-closed filter groove plate 6 and embedded pull-out filter plate 7 are detachable, and convenient for maintenance, cleaning and replacement. The utility model has the advantages of simple structure, convenient application, convenient maintenance, can reduce the equipment failure rate, and improves the work efficiency.
[0043] The above is only the preferred embodiment of the utility model, the protection scope of the utility model is not only limited to the above-mentioned embodiment, and all technical solutions under the idea of the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and decorations without departing from the principle of the utility model are regarded as the protection scope of the utility model.
Claims
1. A filter device for a submersible sewage pump, characterized in that, Includes a drain pump and a protective housing (1), with the drain pump located inside the protective housing (1); The protective box (1) has a water inlet on its wall and a filter mechanism at the water inlet. The water in the sump can be filtered by the filter mechanism and enter the protective box (1) through the water inlet. The protective housing (1) is provided with a drain hole, and the outlet pipe (2) of the drain pump passes through the drain hole to connect with the outside. The water discharged by the drain pump can be discharged from the protective housing (1) through the outlet pipe (2).
2. The submersible sewage pump filtration device according to claim 1, characterized in that, The filtering mechanism includes a slot plate (3); The slot plate (3) is detachably and fixedly connected to the wall of the protective box (1) with the water inlet, and the slot plate (3) covers the water inlet; The slot plate (3) is hollow inside, and several first through holes are opened on the two side walls of the slot plate (3). The slot plate (3) is filled with filter filler.
3. The submersible sewage pump filtration device according to claim 2, characterized in that, The filter media includes multiple perforated wire balls (4), and permeable porous stones (5) are placed inside the perforated wire balls (4).
4. The submersible sewage pump filtration device according to claim 2, characterized in that, The filtration mechanism also includes a front-mounted porous semi-enclosed filter tray (6) and an embedded pull-out filter tray (7); The pre-positioned porous semi-enclosed filter plate (6) is set on the side of the slot upright plate (3) facing away from the protective box (1) and is detachably and fixedly connected to the slot upright plate (3); The front-mounted porous semi-enclosed filter tray (6) is hollow inside and open at the top; the embedded pull-out filter tray (7) can be inserted into the front-mounted porous semi-enclosed filter tray (6) from the top and is movably set in the front-mounted porous semi-enclosed filter tray (6). The two side walls of the pre-positioned porous semi-enclosed filter plate (6) are provided with several second through holes, and the embedded pull-out filter plate (7) is provided with several third through holes.
5. The submersible sewage pump filtration device according to claim 4, characterized in that, The front porous semi-enclosed filter plate (6) has the same shape, length and width as the slot upright plate (3), and the front porous semi-enclosed filter plate (6) completely covers the slot upright plate (3); The outer wall of the embedded pull-out filter plate (7) is attached to the inner wall of the front porous semi-enclosed filter tank plate (6), or there is a gap between the outer wall of the embedded pull-out filter plate (7) and the inner wall of the front porous semi-enclosed filter tank plate (6).
6. The submersible sewage pump filtration device according to claim 4, characterized in that, The bottom surface of the pre-positioned multi-hole semi-enclosed filter plate (6) is provided with one or more reserved holes. The lower surface of the embedded pull-out filter plate (7) is equipped with movable rods (8) that are the same number and position as the reserved holes. The outer diameter of the movable rods (8) is smaller than the diameter of the reserved holes. The movable rods (8) pass through the reserved holes and are fixedly connected to the pads (9). The outer diameter of the pads (9) is larger than the diameter of the reserved holes.
7. The submersible sewage pump filtration device according to claim 4, characterized in that, The front-mounted porous semi-enclosed filter tray (6) and the slot upright plate (3) are connected by bolts and nuts.
8. The submersible sewage pump filtration device according to claim 4, characterized in that, The embedded pull-out filter plate (7) is provided with a horizontal pull rod (10) at the top, and the slot upright plate (3) is provided with a pull ring (11) at the top.
9. The submersible sewage pump filtration device according to claim 4, characterized in that, The hole sizes of the first through hole, the third through hole, and the second through hole gradually increase.
10. The submersible sewage pump filtration device according to claim 2, characterized in that, The protective box (1) with a water inlet is provided with an embedded magnetic strip (12) on its wall, and the slot plate (3) is fixedly connected to the box (1) through the embedded magnetic strip (12); Alternatively, the protective box (1) with the water inlet is provided with a sliding groove on its wall, and a slider is provided on the slot plate (3). The slot plate (3) is connected to the box (1) through the slider and the sliding groove.