Filtering structure special for fish tank
By designing a filter structure suitable for small aquariums, and utilizing liquid flocculants and a detachable scraper structure, the problem of debris handling in small aquariums has been solved, achieving efficient filtration and convenient cleaning.
Patent Information
- Application Number
- CN202423128465.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing filtration systems are complex in structure and unsuitable for handling fine debris in small aquariums.
A filter structure specifically designed for aquariums has been developed, including a filter cartridge, inlet pipe, outlet pipe, spiral plate, bio-cotton layer, and activated carbon layer. It utilizes liquid flocculant to coagulate floating debris, and combined with a detachable intermediate pipe and scraper structure, it achieves flocculation and cleaning of fine floating debris.
It achieves a compact filtration effect, effectively handling fine debris in small aquariums, preventing mesh plate clogging, and enhancing filtration efficiency and ease of cleaning.
Smart Images

Figure CN223799074U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fish culture technical field, specifically point to a fish tank special filter structure. BACKGROUND
[0002] In the fish culture process, the cleaning of the fish tank is an important work, and clean and stable water quality can improve the life quality of fish, make the fish more active and healthy, and suitable water quality conditions help the growth and reproduction of fish. Appropriate filtration operation also helps to reduce pathogens and harmful substances in water, thereby reducing the spread of diseases.
[0003] In the prior art, there is a complete device for filtering large fish culture containers, and suitable filtering systems can be found for built-in and external types, but for small fish tanks, neither top-mounted nor side-hung filtering devices can be installed. Small fish tanks have limited space, and small and micro fish are cultured, which produces fine and small debris. Common filtering system structures are complex and occupy space, and are not suitable for fine and small debris treatment of small fish tanks. UTILITY MODEL CONTENT
[0004] The utility model solves the above-mentioned technical problem that the common filtering system structure is complex and occupies space, and is not suitable for fine and small debris treatment of small fish tanks, and provides a fish tank special filter structure.
[0005] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a fish tank special filter structure, comprising a filter cylinder, a water inlet pipe, and a water outlet pipe.
[0006] The lower end of the water inlet pipe is provided with a water inlet cylinder, and the water inlet cylinder is provided with a pump.
[0007] The filter cylinder is provided with a spiral plate, and the surface of the spiral plate is coated with a liquid flocculant. The filter cylinder is provided with a biochemical cotton layer and an activated carbon layer in sequence and higher than the spiral plate.
[0008] A filter structure is arranged between the filter cylinder and the water outlet pipe, and the filter structure comprises a connecting pipe and an intermediate pipe. The connecting pipe is fixedly connected with the filter cylinder, the intermediate pipe is rotatably connected between the connecting pipe and the water outlet pipe, and the connecting pipe and the water outlet pipe are detachably connected. The end of the water outlet pipe close to the intermediate pipe is provided with a grid plate inside.
[0009] The end of the intermediate pipe close to the water outlet pipe is provided with a plurality of scrapers inside, and the scrapers extend out of the intermediate pipe and contact the grid plate.
[0010] Further, the lower surface of the filter cylinder is provided with a fixing frame, and the lower end of the fixing frame is provided with a slot.
[0011] Further, the intermediate pipe is provided with a limiting ring at both ends, and the connecting pipe and the water outlet pipe are provided with a limiting groove capable of accommodating the limiting ring at opposite ends.
[0012] Further, the connecting pipe and the water outlet pipe are provided with symmetrical mounting ears on the outer sides, and the opposite mounting ears are connected through a screw rod and a nut.
[0013] Further, the intermediate pipe is provided with an auxiliary ring on the outer side, and a plurality of supporting rods are arranged between the auxiliary ring and the intermediate pipe.
[0014] Further, the water outlet end is a hollow shell, the upper end of which is communicated with the water outlet pipe, and the lower end is provided with a plurality of through holes.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] The compact structure can be directly clamped at the edge of a small fish tank, the fine floating debris in the water body can be flocculated to form relatively obvious clumps, and then the clumps are intercepted and filtered, the filtering effect is good, and the intermediate pipe is additionally arranged, so that the grid plate can be scraped and cleaned when the intermediate pipe is rotated, the grid plate is prevented from being blocked, and the operation is affected. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic diagram of the utility model.
[0018] Figure 2 is a sectional structure schematic diagram of the filter cartridge of the utility model.
[0019] Figure 3 is a structural schematic diagram of the internal structure of the connecting pipe, the intermediate pipe and the water outlet pipe of the utility model.
[0020] Figure 4 is a structural schematic diagram of the water outlet pipe and the water outlet end of the utility model.
[0021] As shown in the drawings: 1, filter cartridge, 2, water inlet pipe, 3, water outlet pipe, 4, water inlet cylinder, 5, water outlet end, 6, fixing frame, 7, slot, 8, spiral plate, 9, biochemical cotton layer, 10, activated carbon layer, 11, connecting pipe, 12, intermediate pipe, 13, grid plate, 14, limiting ring, 15, mounting ear, 16, scraper, 17, auxiliary ring. DETAILED DESCRIPTION
[0022] The utility model will be further described in detail in combination with the drawings.
[0023] Example one, in combination with the drawings Figure 1 A filter structure special for a fish tank, comprising a filter cartridge 1, a water inlet pipe 2 and a water outlet pipe 3, which realizes the circulation extraction and discharge of the water body in the fish tank.
[0024] In combination with the drawingsFigure 1 The filter cartridge 1 is provided with a fixing frame 6 below, and the lower end of the fixing frame 6 is provided with a slot 7, so that the filter cartridge 1 can be fixed on the edge of the fish tank through the fixing frame 6 and the slot 7, and the occupied area is small, which is suitable for small fish tanks; after being fixed, the water inlet pipe 1 and the water outlet pipe 3 both extend into the fish tank, and the water inlet pipe 1 is longer and needs to enter the water body, and the water outlet pipe 3 is shorter and can be directly suspended above the water body, so as to be impacted by the water surface after water outlet, thereby forming an oxygenation effect;
[0025] The accompanying drawings are combined Figure 1 The lower end of the water inlet pipe 2 is provided with a water inlet cylinder 4, and the water inlet cylinder 4 is provided with a pump inside for pumping water; the lower end of the water outlet pipe 3 is provided with a disc-shaped water outlet end 5, and the water outlet end 5 is a hollow shell, the upper end of which is in communication with the water outlet pipe 3, and the lower end is provided with a plurality of through holes to reduce the water outlet area and thereby increase the water outlet flow rate;
[0026] The accompanying drawings are combined Figure 1 、 2 The filter cartridge 1 is provided with a spiral plate 8, and the surface of the spiral plate 8 is coated with a liquid flocculating agent; when the water body flows through the spiral plate 8, the flow rate is reduced along with the spiral plate 8, thereby achieving good fusion effect with the liquid flocculating agent, so that the fine floating debris is coagulated into a group to avoid directly passing through the grid plate; the filter cartridge 1 is provided with a biochemical cotton layer 9 and an activated carbon layer 10 in sequence and higher than the spiral plate 8, which can achieve good interception and adsorption purification effect;
[0027] The accompanying drawings are combined Figure 1 、 2 , 3, a filter structure is arranged between the filter cartridge 1 and the water outlet pipe 3, and the filter structure comprises a connecting pipe 11 and an intermediate pipe 12; the connecting pipe 11 is fixedly connected with the filter cartridge 1, and the intermediate pipe 12 is rotatably connected between the connecting pipe 11 and the water outlet pipe 3; specifically, the two ends of the intermediate pipe 12 are both provided with a limiting ring 14, and the opposite ends of the connecting pipe 11 and the water outlet pipe 3 are both provided with a limiting groove capable of accommodating the limiting ring 14, so that the intermediate pipe 12 can rotate between the connecting pipe 11 and the water outlet pipe 3;
[0028] The connecting pipe 11 and the water outlet pipe 3 are detachably connected; the connecting pipe 11 and the water outlet pipe 3 are both provided with symmetrical mounting ears 15, and the opposite mounting ears 15 are connected through a screw rod and a nut, so that the water outlet pipe 3 and the intermediate pipe 2 can be separated by detaching the screw rod and the nut, which is convenient for cleaning the grid plate 13 after a period of use, and the above structure also plays a limiting role on the water outlet pipe 3, avoiding rotation with the intermediate pipe 12;
[0029] The water outlet pipe 3 is internally provided with a grid plate 13 near one end of the middle pipe 12, which is used for intercepting and filtering the flocculated and balled large impurities; the middle pipe 12 is internally provided with a plurality of scrapers 16 near one end of the water outlet pipe 3, the scrapers 16 extend out of the middle pipe 12 and contact with the grid plate 13; the outer side of the middle pipe 12 is provided with an auxiliary ring 17, and a plurality of supporting rods are connected between the auxiliary ring 17 and the middle pipe 12;
[0030] In the above structure, the middle pipe 12 is rotated through the auxiliary ring 17, so that the grid plate 13 is scraped through the scrapers 16, and the impurities are pushed to move, so as to avoid the blockage caused by the long-time adhesion of the impurities on the grid plate 13.
[0031] The above has described the utility model and its implementation mode, which is not limited, and the drawings shown are only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if the ordinary skilled person in the art is inspired, without departing from the creative purpose of the utility model, without creative design, the similar structure mode and the embodiment of the technical scheme should belong to the protection scope of the utility model.
Claims
1. A filter structure for an aquarium, characterized by: Including filter cartridge (1), inlet pipe (2), outlet pipe (3); The lower end of the inlet pipe (2) is provided with an inlet cylinder (4), and the inlet cylinder (4) is provided with a pump; the lower end of the outlet pipe (3) is provided with a disc-shaped outlet end (5); The filter cartridge (1) is provided with a spiral plate (8), and the surface of the spiral plate (8) is coated with a liquid flocculating agent; the filter cartridge (1) is provided with a biochemical cotton layer (9) and an activated carbon layer (10) in sequence and higher than the spiral plate (8); The filter structure is provided between the filter cartridge (1) and the outlet pipe (3), and the filter structure comprises a connecting pipe (11) and an intermediate pipe (12), the connecting pipe (11) is fixedly connected with the filter cartridge (1), the intermediate pipe (12) is rotatably connected between the connecting pipe (11) and the outlet pipe (3), and the connecting pipe (11) is detachably connected with the outlet pipe (3); the end of the outlet pipe (3) close to the intermediate pipe (12) is internally provided with a grid plate (13); The end of the intermediate pipe (12) close to the outlet pipe (3) is internally provided with a plurality of scrapers (16), and the scrapers (16) extend out of the intermediate pipe (12) and contact the grid plate (13).
2. The filter structure for fish tank according to claim 1, characterized in that: The lower surface of the filter cartridge (1) is provided with a fixing frame (6), and the lower end of the fixing frame (6) is provided with a slot (7).
3. The filter structure for fish tank according to claim 1, characterized in that: Both ends of the intermediate pipe (12) are provided with limiting rings (14), and the opposite ends of the connecting pipe (11) and the outlet pipe (3) are provided with limiting grooves capable of accommodating the limiting rings (14).
4. The filter structure for fish tank according to claim 3, characterized in that: The outer sides of the connecting pipe (11) and the outlet pipe (3) are both provided with symmetrical mounting ears (15), and the opposite mounting ears (15) are connected through a screw rod and a nut.
5. The filter structure for fish tank according to claim 1, characterized in that: The outer side of the intermediate pipe (12) is provided with an auxiliary ring (17), and a plurality of supporting rods are connected between the auxiliary ring (17) and the intermediate pipe (12).
6. The filter structure for fish tank according to claim 1, characterized in that: The outlet end (5) is a hollow shell, the upper end of which is communicated with the outlet pipe (3), and the lower end is provided with a plurality of through holes.