Rainwater impurity filtering device with filter screen convenient to replace

By introducing structures such as connecting grooves, sealing plates, positioning rods, and springs into the rainwater filtration device, the problem of difficult filter screen disassembly is solved, enabling convenient replacement and efficient filtration.

CN224105634UActive Publication Date: 2026-04-10湖北中源环保科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing rainwater filters are difficult to disassemble when clogged with impurities, affecting maintenance and replacement work.

Method used

The design incorporates a connecting groove, sealing plate, positioning rod, spring, positioning hole, and rubber ring. The filter screen can be easily installed and removed through sliding and elastic connection, and the stirring plate driven by a motor is used to enhance the filtration effect.

Benefits of technology

It enables convenient filter replacement and efficient filtration, simplifies the maintenance process, and improves filtration efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rainwater impurity filtering device with a filter screen convenient to replace, which belongs to the technical field of rainwater impurity filtering and comprises a filtering bin, a support frame is connected below the filtering bin, a water outlet connecting pipe is connected onto the filtering bin, a plurality of connecting grooves are formed in the inner wall of the filtering bin, and the filter screen is arranged in the connecting grooves. And the filtering bin is slidably provided with a filtering mechanism through a connecting groove. According to the rainwater impurity filtering device convenient to replace the filter screen, a positioning rod is pushed to slide on one side of a reaction bin, a fixing ring is promoted to compress a spring, then a sealing plate is pushed into a connecting groove, then the positioning rod is loosened, the spring is promoted to rebound, the positioning rod is pushed to be inserted into a positioning hole, and the sealing plate is fixed; then the positioning rod is inserted into the fixing hole, the rubber ring is extruded at the moment, and the rubber ring rebounds after one end of the positioning rod penetrates through the fixing hole, so that the positioning rod is fixed, the installation of the filter plate is completed, the operation is simple, and the subsequent disassembly and replacement are convenient.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to rainwater impurity filtration technical field, concretely is a rainwater impurity filtration device convenient to replace filter screen. BACKGROUND

[0002] Rainwater treatment is the purification treatment process of urban area ground runoff water, can be handled alone or with domestic sewage, industrial waste water according to different pipeline system drainage system, and the treatment mode has physical treatment and chemical treatment, and physical treatment includes sedimentation, filtration and disinfection etc., and chemical treatment refers to the removal of harmful ingredients in water using chemical substances.

[0003] At present, the filter screen plate for filtering rainwater impurities is usually fixed in the rainwater filtration device by bolt, which leads to the difficulty of disassembly of the staff when the filter screen plate is blocked by impurities, thereby affecting the subsequent maintenance and replacement work. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects, the utility model provides a rainwater impurity filtration device convenient to replace filter screen, solves the problem that the staff is difficult to disassemble when the filter screen plate is blocked by impurities, thereby affecting the subsequent maintenance and replacement work.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rainwater impurity filtration device convenient to replace filter screen, including filter bin, the support frame is connected below the filter bin, the water outlet connecting pipe is connected on the filter bin, a plurality of connecting grooves are set up on the filter bin inner wall, the filter mechanism is slidably installed in the filter bin through the connecting groove, the communicating pipe is connected above the filter bin, the reaction bin is connected on the communicating pipe, the water injection connecting pipe is connected on the one side above the reaction bin;

[0006] The other side above the reaction bin is provided with a filler port, the positioning rod is slidably connected on the one side of the reaction bin, the mounting plate is connected above the reaction bin, the motor is installed on the mounting plate, the motor output shaft is connected with the rotating rod, the stirring plate is connected on the rotating rod, the fixing ring is connected on the positioning rod, and the spring is sleeved on the positioning rod.

[0007] As a further scheme of the utility model: the support frame is connected with the reaction bin and connected with the anti-skid pad below, the anti-skid pad is of rubber material, and the control valve is installed on the communicating pipe.

[0008] As a further scheme of the utility model: the filter mechanism includes a sealing plate, the positioning hole is formed in the one side of the sealing plate, the pull rod is connected on the other side of the sealing plate, and the plurality of filter plates are connected on the sealing plate.

[0009] As a further scheme of the utility model: the sealing plate is slidably connected with the connecting groove and is in contact with the connecting groove wall, and the two stirring plates are both arranged at one end of the rotating rod.

[0010] As a further scheme of the utility model: one end of the spring is connected with the reaction bin, the other end of the spring is connected with the fixing ring, and the positioning rod is inserted into the positioning hole.

[0011] As a further scheme of the utility model: a fixing hole is formed in one side of the filtering bin, one end of the positioning rod is inserted into the fixing hole and connected with a rubber ring.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The rainwater impurity filtering device convenient for replacing the filter screen, through the connecting groove, the sealing plate, the positioning rod, the spring, the positioning hole, the fixing hole and the rubber ring, the staff first pushes the positioning rod, the positioning rod slides at one side of the reaction bin, the fixing ring compresses the spring, then the sealing plate is pushed into the connecting groove, the positioning rod is inserted into the positioning hole by releasing the positioning rod and making the spring rebound, the sealing plate is fixed, then the positioning rod is inserted into the fixing hole, the rubber ring is compressed at this time, and the rubber ring rebounds after the positioning rod passes through the fixing hole, so that the positioning rod is fixed, the installation of the filter plate is completed, and the subsequent disassembly and replacement of the staff are facilitated.

[0014] 2. The rainwater impurity filtering device convenient for replacing the filter screen, through the motor, the rotating rod, the stirring plate and the reaction bin, the staff fills the flocculating agent and other substances into the reaction bin through the filling port, starts the motor, the motor drives the rotating rod to rotate, the stirring plate stirs the rainwater and the flocculating agent in the reaction bin, the flocculating agent and the rainwater are fully mixed and contacted, the reaction efficiency and the filtering effect are improved, then the control valve is started, the rainwater flows into the filtering bin from the connecting pipe, and the filtering work is completed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the utility model three-dimensional structure;

[0016] Figure 2 It is a schematic view of the filtering bin cross section structure of the utility model;

[0017] Figure 3 It is a schematic view of the reaction bin cross section structure of the utility model;

[0018] Figure 4 It is a schematic view of the filtering mechanism three-dimensional structure of the utility model;

[0019] As shown in the figure: 1, filter bin; 2, support frame; 3, water outlet connecting pipe; 4, connecting groove; 5, filter mechanism; 501, sealing plate; 502, positioning hole; 503, pull rod; 504, filter plate; 6, communication pipe; 7, reaction bin; 8, water injection connecting pipe; 9, filler port; 10, positioning rod; 11, mounting plate; 12, motor; 13, rotating rod; 14, stirring plate; 15, fixing ring; 16, spring; 17, non-slip pad; 18, control valve; 19, fixing hole; 20, rubber ring. DETAILED DESCRIPTION

[0020] The technical scheme of the patent will be further described in detail in combination with the specific embodiments.

[0021] As Figures 1-4 shown, the utility model provides a technical scheme: a rainwater impurity filter device convenient for replacing filter screen, including filter bin 1, filter bin 1 below is connected with support frame 2, support frame 2 is connected with reaction bin 7 and below is connected with non-slip pad 17, non-slip pad 17 is rubber material, control valve 18 is installed on communication pipe 6, the friction of support frame 2 and ground is increased through non-slip pad 17, thereby prevent accidental sliding, the stability of placement has been improved.

[0022] The water outlet connecting pipe 3 is connected to the filter bin 1, and a plurality of connecting grooves 4 are formed on the inner wall of the filter bin 1. A fixing hole 19 is formed on one side of the filter bin 1, and one end of the positioning rod 10 is inserted into the fixing hole 19 and connected with the rubber ring 20. When the one end of the positioning rod 10 is inserted into the fixing hole 19, the rubber ring 20 will be deformed by being squeezed, and when the one end of the positioning rod 10 passes through the fixing hole 19, the rubber ring 20 will recover its shape by rebounding, thereby fixing the positioning rod 10 and preventing it from sliding.

[0023] The filter bin 1 is slidably installed with the filter mechanism 5 through the connecting grooves 4. The filter mechanism 5 includes a sealing plate 501, a positioning hole 502 is formed on one side of the sealing plate 501, a pull rod 503 is connected to the other side of the sealing plate 501, and a plurality of filter plates 504 are connected to the sealing plate 501. The rainwater is filtered through the plurality of filter plates 504, thereby improving the filtering effect.

[0024] The filter bin 1 is connected with a communication pipe 6, the communication pipe 6 is connected with a reaction bin 7, one side of the reaction bin 7 is connected with a water injection connecting pipe 8, the other side of the reaction bin 7 is provided with a filler port 9, one side of the reaction bin 7 is slidably connected with a positioning rod 10, the reaction bin 7 is connected with a mounting plate 11, the mounting plate 11 is installed with a motor 12, the motor 12 output shaft is connected with a rotating rod 13, the rotating rod 13 is connected with stirring plates 14, the sealing plate 501 is slidably connected with the connecting groove 4 and is in contact with the connecting groove 4 groove wall, the stirring plates 14 are both obliquely arranged at one end of the rotating rod 13, through the sliding connection of the sealing plate 501 and the connecting groove 4, the positioning and installation of the filter mechanism 5 can be quickly completed by the staff, so that the installation efficiency is improved, and the stirring plates 14 can stir the rainwater in the reaction bin 7, so that the rainwater and the flocculating agent are fully mixed and reacted.

[0025] The positioning rod 10 is connected with a fixing ring 15, the positioning rod 10 is sleeved with a spring 16, one end of the spring 16 is connected with the reaction bin 7, the other end of the spring 16 is connected with the fixing ring 15, the positioning rod 10 is inserted with the positioning hole 502, through the elastic force connection of the spring 16, the staff can quickly complete the insertion of the positioning rod 10, so as to complete the installation and fixation of the filter mechanism 5.

[0026] The working principle of the utility model is:

[0027] The staff first pushes the positioning rod 10, makes the positioning rod 10 compress the spring 16 through the fixing ring 15, then pushes the sealing plate 501 into the connecting groove 4, and then loosens the positioning rod 10 to make the spring 16 rebound, so that the spring 16 can push the positioning rod 10 into the positioning hole 502, thereby fixing the filter mechanism 5, then inserts the positioning rod 10 into the fixing hole 19, and the rubber ring 20 is deformed in the process of insertion, and the rubber ring 20 rebounds to restore the shape after the positioning rod 10 passes through the fixing hole 19, thereby fixing the positioning rod 10, and during work, the staff fills the flocculating agent and other substances into the reaction bin 7 through the filler port 9, and drives the rotating rod 13 to rotate by starting the motor 12, so that the stirring plate 14 stirs the rainwater and the flocculating agent in the reaction bin 7, so that the flocculating agent and the rainwater are fully mixed and contacted, then the rainwater flows into the filter bin 1 from the communication pipe 6 by starting the control valve 18, thereby completing the filtering work.

[0028] In the description of the utility model, it is necessary to explain that, unless there is definite provision and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through the intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0029] While the preferred embodiments of the application have been described above, it will be recognized and understood that various modifications can be made to the application and the appended claims are intended to cover all such modifications which are within the scope of the application, includinghandicapped individuals.

Claims

1. A rainwater impurity filtering device facilitating replacement of a filter screen, comprising a filtering bin (1), characterized in that: The support frame (2) is connected below the filter bin (1), the water outlet connecting pipe (3) is connected above the filter bin (1), a plurality of connecting grooves (4) are formed in the inner wall of the filter bin (1), the filter mechanism (5) is slidably installed in the filter bin (1) through the connecting grooves (4), the communication pipe (6) is connected above the filter bin (1), the reaction bin (7) is connected above the communication pipe (6), the water injection connecting pipe (8) is connected to one side above the reaction bin (7); The filler port (9) is arranged on the other side above the reaction bin (7), the positioning rod (10) is slidably connected to one side of the reaction bin (7), the mounting plate (11) is connected above the reaction bin (7), the motor (12) is installed on the mounting plate (11), the output shaft of the motor (12) is connected with the rotating rod (13), the stirring plate (14) is connected to the rotating rod (13), the fixing ring (15) is connected to the positioning rod (10), and the spring (16) is sleeved on the positioning rod (10).

2. The rainwater impurity filtering device with filter screen convenient to replace according to claim 1, characterized in that: The support frame (2) is connected with the reaction bin (7) and connected with the anti-skid pad (17) below, the anti-skid pad (17) is made of rubber material, and the control valve (18) is installed on the communication pipe (6).

3. The rainwater impurity filtering device with filter screen replacement convenience according to claim 1, characterized in that: The filter mechanism (5) comprises a sealing plate (501), a positioning hole (502) is formed in one side of the sealing plate (501), a pull rod (503) is connected to the other side of the sealing plate (501), and a plurality of filter plates (504) are connected to the sealing plate (501).

4. The rainwater impurity filtering device with filter screen replacement convenience according to claim 3, characterized in that: The sealing plate (501) is slidably connected with the connecting groove (4) and is in contact with the groove wall of the connecting groove (4), and the two stirring plates (14) are inclinedly arranged at one end of the rotating rod (13).

5. The rainwater impurity filtering device with filter screen replacement convenience according to claim 3, characterized in that: One end of the spring (16) is connected with the reaction bin (7), the other end of the spring (16) is connected with the fixing ring (15), and the positioning rod (10) is inserted into the positioning hole (502).

6. The rainwater impurity filtering device with filter screen replacement convenience according to claim 1, characterized in that: One end of the positioning rod (10) is inserted into the fixing hole (19) and connected with the rubber ring (20).