Municipal water supply and drainage filtering device
By designing a double-layer filter and limiting components, the problem of unstable sealing frame limiting in municipal water supply and drainage filtration devices is solved, achieving stable water filtration and convenient impurity cleaning.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-03-24
AI Technical Summary
In existing municipal water supply and drainage filtration devices, the limiting of the first and second clamping frames is unstable, resulting in unstable filtration of impurities in the water.
It adopts a double-layer filter design and achieves detachable connection of the sealing frame through limiting components. The combination structure of rectangular plate, slider, through plate, screw and bevel gear realizes the sliding limit of the sealing frame and convenient disassembly, ensuring the stability of the filter and the cleaning of impurities.
It achieves dual-layer water filtration, improves water quality, facilitates impurity removal, and ensures the stability and filtration effect of the filter screen.
Smart Images

Figure CN224024379U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to municipal water supply and drainage technical field, concretely is a kind of municipal water supply and drainage filter device. BACKGROUND
[0002] Drainage engineering excludes human life sewage and various waste water in production, excess ground water, by drainage pipe system (or channel), waste water treatment plant and final disposal facilities, water supply engineering is the engineering that the resident and factory, mine, transport enterprise supply life, production water and fire-fighting water, road greening water etc., and water supply and drainage pipe needs to filter impurities in water to avoid internal pipe blockage;
[0003] According to patent number CN 222500545 U, especially for a kind of municipal water supply and drainage filter device, the first frame and the second frame are not limited in the application, so that the filtering stability of impurities in water is not good. UTILITY MODEL CONTENT
[0004] (One) technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides a kind of municipal water supply and drainage filter device, solves the problems raised in the above background art.
[0006] (Two) technical scheme.
[0007] The utility model discloses a kind of municipal water supply and drainage filter device to achieve the above purposes specifically using the following technical solutions:
[0008] A kind of municipal water supply and drainage filter device, including filter box, water inlet and drain hole are sequentially equipped at the both ends of the filter box, limit component is equipped at the upper end of the filter box, two guide holes are set in the upper end of the filter box, two sealing frames are slidably connected in the two guide holes, filter screen is installed in the two sealing frames;
[0009] The limit component includes rectangular plate installed on the upper end of filter box, two sliding grooves are set in the rectangular plate, two sliding blocks are slidably connected in the two sliding grooves, two penetration plates are installed at the mutually far ends of the two sliding blocks, the penetration plate is slidably connected with rectangular plate, the end of two penetration plates on the same side is jointly installed with abutment plate, screw rod is rotatably connected in the two sliding grooves, the screw rod is threadedly connected with sliding block, connecting rod is jointly installed between the two screw rods, the connecting rod is rotatably connected in the rectangular plate, driven bevel gear is installed on the outer surface of the connecting rod, shaft is rotatably connected in the rectangular plate by bearing, driving bevel gear is installed on the bottom of the shaft, hand wheel is installed on the upper end of the shaft.
[0010] Further, the driving bevel gear and the driven bevel gear are engaged with each other.
[0011] Further, the two filter screens have different aperture sizes.
[0012] Further, the filter screen has the same size as the water inlet hole.
[0013] Further, the two screws have opposite thread directions.
[0014] Further, the abutting plate abuts against the sealing frame.
[0015] (Three) beneficial effects
[0016] Compared with the prior art, the utility model provides a kind of municipal water supply and drainage filter device, with following beneficial effects:
[0017] The utility model discloses two filter screens can carry out double-layer filtration to water, improve water quality, so that the impurities after filtration are left in the sealing frame, and by the setting of limiting assembly, the limiting of two sealing frames can be removed, i.e. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the structure section view of the filter box of the utility model;
[0020] Figure 3 It is the structure schematic diagram of the sealing frame of the utility model;
[0021] Figure 4 It is the structure schematic diagram of the limiting assembly of the utility model.
[0022] In the drawing: 1, filter box; 2, water inlet hole; 3, drainage hole; 4, guide hole; 5, sealing frame; 6, limiting assembly; 61, rectangular plate; 62, sliding block; 63, through plate; 64, abutting plate; 65, screw; 66, connecting rod; 67, driven bevel gear; 68, driving bevel gear; 69, hand wheel; 7, filter screen. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] EMBODIMENT
[0025] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, an embodiment of the utility model discloses a kind of municipal water supply and drainage filter devices, including filter box 1, water inlet hole 2 and drain hole 3 are sequentially equipped in the both ends of filter box 1, limit component 6 is equipped in the upper end of filter box 1, two guide holes 4 are opened in the upper end of filter box 1, two sealing frames 5 are slidably connected in two guide holes 4, two filter screens 7 are installed in two sealing frames 5;Two filter screens 7 can be double-layer filtration to water, improve water quality, so that the impurities after filtration are left in sealing frame 5, and by the setting of limit component 6, the limitation of two sealing frames 5 can be removed, i.e. sealing frame 5 can be slid out of guide hole 4, the disassembly of sealing frame 5 is completed, and then the filtered impurities can be cleaned, and vice versa, the limitation of sealing frame 5 can ensure the stability of filter screen 7 to water filtration;
[0026] Limit component 6 includes rectangular plate 61 installed on the upper end of filter box 1, two sliding grooves are opened in rectangular plate 61, two sliding blocks 62 are slidably connected in two sliding grooves, two penetrating plates 63 are installed at the mutually far ends of two sliding blocks 62, penetrating plate 63 is slidably connected with rectangular plate 61, the end portions of two penetrating plates 63 on the same side are jointly installed with abutting plate 64, screw rod 65 is rotatably connected in two sliding grooves, screw rod 65 is threadedly connected with sliding block 62, connecting rod 66 is jointly installed between two screw rods 65, connecting rod 66 is rotatably connected in rectangular plate 61, driven bevel gear 67 is installed on the outer surface of connecting rod 66, rotating shaft is rotatably connected in rectangular plate 61 through bearing, driving bevel gear 68 is installed on the bottom of rotating shaft, hand wheel 69 is installed on the upper end of rotating shaft;By rotating hand wheel 69, rotating shaft is driven to rotate, driving bevel gear 68 rotates, driven bevel gear 67 rotates, connecting rod 66 is driven to rotate, two screw rods 65 are driven to rotate, sliding block 62 is driven to move mutually close in sliding groove, two abutting plates 64 are driven to move mutually close by penetrating plate 63, so that abutting plate 64 no longer limits sealing frame 5, i.e. sealing frame 5 can be taken out to clean impurities.
[0027] As Figure 4 shown, in some embodiments, driving bevel gear 68 and driven bevel gear 67 are mutually engaged;Convenient for limiting.
[0028] As Figure 3 shown, in some embodiments, the aperture size of two filter screens 7 is different;Improve filtering effect.
[0029] As Figure 3 shown, in some embodiments, the size of filter screen 7 is same with the size of water inlet hole 2;Convenient for filtering.
[0030] As Figure 4As shown in the figure, in some embodiments, the thread directions of the two screws 65 are opposite; facilitating limiting.
[0031] As shown in the figure, in some embodiments, the two screws 65 are arranged on the same side of the sealing frame 5; facilitating limiting. Figure 1 As shown in the figure, in some embodiments, the resisting plate 64 is in abutment with the sealing frame 5; guaranteeing water filtering stability.
[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A municipal water supply and sewerage filtering device comprising a filter tank (1), characterized in that: Two ends of the filter box (1) are sequentially provided with a water inlet hole (2) and a drain hole (3), the upper end of the filter box (1) is provided with a limiting assembly (6), the upper end of the filter box (1) is provided with two guide holes (4), the two guide holes (4) are both slidably connected with a sealing frame (5), and the two sealing frames (5) are both mounted with a filter screen (7). The limiting assembly (6) comprises a rectangular plate (61) mounted on the upper end of the filter box (1), two sliding grooves are formed in the rectangular plate (61), two sliding blocks (62) are slidably connected in the two sliding grooves, two penetrating plates (63) are mounted at the mutually far ends of the two sliding blocks (62), the penetrating plates (63) are slidably connected with the rectangular plate (61), end portions of the two penetrating plates (63) on the same side are jointly mounted with a resisting plate (64), a screw rod (65) is rotatably connected in each of the two sliding grooves, the screw rod (65) is threadedly connected with the sliding block (62), a connecting rod (66) is jointly mounted between the two screw rods (65), the connecting rod (66) is rotatably connected in the rectangular plate (61), a driven bevel gear (67) is mounted on the outer surface of the connecting rod (66), a rotating shaft is rotatably connected in the rectangular plate (61) through a bearing, an active bevel gear (68) is mounted on the bottom of the rotating shaft, and a hand wheel (69) is mounted on the upper end of the rotating shaft.
2. The municipal water supply and drainage filtering device according to claim 1, characterized in that: The active bevel gear (68) and the driven bevel gear (67) are meshed with each other.
3. The municipal water supply and drainage filtering device according to claim 1, characterized in that: The two filter screens (7) are different in size.
4. The municipal water supply and drainage filtering device according to claim 1, characterized in that: The filter screen (7) is the same in size as the water inlet hole (2).
5. The municipal water supply and drainage filtering device according to claim 1, characterized in that: The two screw rods (65) are opposite in screw direction.
6. The municipal water supply and drainage filtering device according to claim 1, characterized in that: The resisting plate (64) abuts against the sealing frame (5).
Citation Information
Patent Citations
Filtering device for municipal water supply and drainage
CN222500545U