Novel drainage hole reverse filtering device

Abstract

The utility model relates to the technical field of drainage facilities, and discloses a novel drainage hole reverse filtering device which comprises a filtering bin, the upper end of the filtering bin is connected with a water inlet pipe, a filtering assembly is installed in the filtering bin, a through hole is formed in the center of the bottom of the filtering bin, and a through ring is arranged at the bottom of the filtering bin. A detachable assembly is mounted at the bottom of the filtering bin; the filter assembly comprises an inverted filter inner core, a drainage hole is formed in the inverted filter inner core, a filter inner core is mounted in the filter bin, a pneumatic telescopic rod is arranged at the top of the filter bin, and a mounting ring is mounted at the output end of the pneumatic telescopic rod. Impurities in water are filtered in a classified mode through the filtering assembly, the situation that a filtering inner core is damaged due to impact of large particles is avoided, the drainage efficiency is improved to a certain degree, the service life of the device is prolonged to a certain degree, the collecting bin can be conveniently detached through the detachable assembly, and the collected impurities can be conveniently treated in a centralized mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to drainage facilities technical field, concretely is a new drainage hole filter device. BACKGROUND

[0002] Drainage facilities are important infrastructure to ensure the normal operation of cities, buildings and various sites, and its role is to collect, transport and treat wastewater, rainwater and the like. Drainage facilities cover multiple components, which cooperate with each other to complete the drainage task.

[0003] In various water conservancy projects and construction projects, drainage holes are common drainage facilities for removing groundwater or excess surface water to ensure the stability and durability of the engineering structure. The existing drainage hole filter device has many shortcomings, and a new drainage hole filter device needs to be developed for easy use.

[0004] Chinese patent publication No. CN217698163U discloses a "sand-free concrete drainage hole filter device convenient to install", belonging to the technical field of building equipment, which comprises a filter screen cylinder, the inside and outside of the filter screen cylinder are provided with sand-free concrete filter blocks, the sand-free concrete filter block and the filter screen cylinder combination are placed in the mounting hole inside the drainage pipe, the outer diameter of the sand-free concrete filter block is the same as the inner diameter of the mounting hole, which can ensure the sealing of the connection between the sand-free concrete filter block and the drainage pipe, the connection frame and the filter screen cylinder are made of galvanized stainless steel, which can improve the strength of the filter device, the sand-free concrete filter block made of 5-10mm or 10-20mm particle size aggregate can filter water and block soil at the same time, effectively preventing the loss of backfill soil behind the wall, and the sand-free concrete filter block and the drainage pipe can be quickly disassembled through the connecting seat, the inner locking bolt, the outer locking bolt, the first threaded hole and the second threaded hole, which has high practicality.

[0005] The above-mentioned prior art uses sand-free concrete filter blocks made of 5-10mm or 10-20mm particle size aggregate to filter water and block soil at the same time, effectively preventing the loss of backfill soil behind the wall, and the sand-free concrete filter block and the drainage pipe can be quickly disassembled through the connecting seat, the inner locking bolt, the outer locking bolt, the first threaded hole and the second threaded hole, which has high practicality, but the existing device does not have the function of grading and filtering impurities in the drainage, and the use of larger particles can easily damage the filter screen, which reduces the drainage efficiency and the service life of the device to some extent. UTILITY MODEL CONTENTS

[0006] The utility model discloses a novel drainage hole inverse filter device to solve the problem of not having the function of grading the impurities in the drainage, and the filter screen is easily damaged by the larger particles, which reduces the drainage efficiency and the service life of the device to some extent.

[0007] In order to solve the above technical problems, the utility model provides the following technical scheme: a novel drainage hole inverse filter device, including filter bin, the upper end of filter bin is connected with the water inlet pipe, and the inside installation of filter bin has filter subassembly, the bottom center position of filter bin is equipped with through -hole, and filter bin bottom is equipped with through ring, the bottom of filter bin is installed with detachable assembly;

[0008] The filter subassembly includes an inverse filter inner core, a drainage hole is formed in the inverse filter inner core, a filter inner core is installed in the inside of the filter bin, a pneumatic telescopic rod is arranged on the top of the filter bin, an installation ring is installed on the output end of the pneumatic telescopic rod, cleaning brushes are installed on the inner and outer sides of the installation ring.

[0009] The detachable assembly includes a collection bin, a placement ring is installed on the top of the collection bin, a sealing ring is placed in the placement ring, a fixing ring is installed on the outside of the collection bin, a bolt is installed on one side of the fixing ring, and a screw hole is formed in the bottom of the filter bin at the corresponding position of the bolt.

[0010] Preferably, a valve is installed on one side of the filter bin, and a drainage pipe is connected to one end of the valve.

[0011] Preferably, the inverse filter inner core is fixedly arranged in the filter bin in a ring shape, the drainage holes are multiple groups, the multiple groups of drainage holes are symmetrically and equidistantly formed on the inverse filter inner core, and the cross section of the drainage hole is in a trapezoidal structure.

[0012] Preferably, the filter inner core is fixedly arranged in the filter bin in a ring shape, and the output end of the pneumatic telescopic rod penetrates through the filter bin and extends into the inner cavity of the filter bin.

[0013] Preferably, the installation ring is in a ring shape, and the cleaning brushes are two groups, which are symmetrically arranged on the two sides of the installation ring.

[0014] Preferably, the cross section of the placement ring is in a concave shape, and the fixing ring is fixedly arranged on the outside of the collection bin.

[0015] Preferably, the bolt penetrates through the fixing ring and extends to the outside of the fixing ring, and the bolt is matched with the screw hole.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] First, the utility model discloses a filter assembly is set up, the impurity of water is filtered by grade, avoids the damage that larger particle impact causes to filter inner core, improves the drainage efficiency and the service life of device to a certain extent, and the drainage is entered into the filter bin through the water inlet pipe, because the drainage hole is big outside and small inside, and the larger particle is blocked in the filter inner core, and the smaller particle is filtered through the filter inner core, and finally the filtered drainage is entered into the drain pipe and is discharged through the valve, and through starting the pneumatic telescopic link, the pneumatic telescopic link moves the mounting ring, and the mounting ring moves and scrapes the inner wall of filter inner core, and the impurity is cleaned.

[0018] Second, the utility model discloses a detachable assembly is set up, and the collection bin is conveniently disassembled, and the collected impurity is conveniently handled, the bolt is rotated out from the screw hole, and the fixing ring is separated from the filter bin, the collection bin is conveniently disassembled, and the collected impurity in the collection bin is cleaned, and the sealing ring is placed in the placing ring, and the sealing property of the installation of collection bin is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structural schematic diagram of the utility model;

[0020] Figure 2 It is the sectional view of the utility model;

[0021] Figure 3 It is the structural schematic diagram of the pneumatic telescopic link and the mounting ring of the utility model;

[0022] Figure 4 It is the utility model Figure 2 The structure enlarged view of A place in the utility model.

[0023] In the drawing: 1, filter bin;2, water inlet pipe;3, filter assembly;301, filter inner core;302, drainage hole;303, filter inner core;304, pneumatic telescopic link;305, mounting ring;306, cleaning brush;4, through -hole;5, through ring;6, detachable assembly;601, collection bin;602, placing ring;603, sealing ring;604, fixing ring;605, bolt;606, screw hole;7, valve;8, drain pipe. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and 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 the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-4The utility model provides a new drainage hole reverse filter device, including filter bin 1, the upper end of filter bin 1 is connected with inlet pipe 2, and the inside of filter bin 1 is installed with filter assembly 3, the bottom center position of filter bin 1 is opened with through -hole 4, and filter bin 1 bottom is opened with through ring 5, and the bottom of filter bin 1 is installed with detachable assembly 6;Filter assembly 3 includes reverse filter inner core 301, and the reverse filter inner core 301 is opened with drainage hole 302, and the inside of filter bin 1 is installed with filter inner core 303, and the top of filter bin 1 is provided with pneumatic telescopic rod 304, and the output end of pneumatic telescopic rod 304 is installed with mounting ring 305, and the inside and outside of mounting ring 305 are installed with cleaning brush 306;Detachable assembly 6 includes collection bin 601, and the top of collection bin 601 is installed with placing ring 602, and the inside of placing ring 602 is placed with sealing ring 603, and the outside of collection bin 601 is installed with fixed ring 604, and one side of fixed ring 604 is installed with bolt 605, and the bottom of filter bin 1 is opened with screw hole 606 at the corresponding position of bolt 605.

[0026] Through the above technical scheme, the filter assembly 3 is arranged to filter the impurities in the water, which avoids damage to the filter inner core 303 caused by the impact of large particles, and improves the drainage efficiency and the service life of the device to a certain extent. The water is drained into the filter bin 1 through the inlet pipe 2. Since the drainage hole 302 is larger on the outside and smaller on the inside, the larger particles are blocked in the reverse filter inner core 301. The smaller particles are filtered through the filter inner core 303. Finally, the filtered water enters the drainage pipe 8 through the valve 7. By starting the pneumatic telescopic rod 304, the mounting ring 305 moves under the action of the pneumatic telescopic rod 304. The mounting ring 305 moves and scrapes the inner wall of the filter inner core 303 to clean the impurities. The detachable assembly 6 is arranged to facilitate the disassembly of the collection bin 601, making it easy to collect and process the collected impurities. By unscrewing the bolt 605 from the screw hole 606, the fixed ring 604 is separated from the filter bin 1, making it easy to disassemble the collection bin 601 and clean the impurities collected in the collection bin 601. The sealing ring 603 is placed in the placing ring 602 to ensure the sealing of the collection bin 601. The impurities in the reverse filter inner core 301 enter the collection bin 601 through the through -hole 4, and the impurities in the filter inner core 303 enter the collection bin 601 through the through ring 5.

[0027] Specifically, the filter bin 1 is installed with a valve 7 on one side, and the valve 7 is connected with a drainage pipe 8 on one end.

[0028] Through the above technical scheme, when water needs to be drained, the valve 7 is opened, and the filtered water can be discharged from the drainage pipe 8, making it easy to guide the treated water to the designated position.

[0029] Specifically, the reverse filtration inner core 301 is fixedly arranged in the filter bin 1 in a ring shape, and the drainage holes 302 are symmetrically and equidistantly arranged on the reverse filtration inner core 301 in multiple groups, and the cross section of the drainage hole 302 is in a trapezoidal structure.

[0030] Through the above technical solution, the reverse filtration inner core 301 is provided with multiple groups of equidistant and symmetric drainage holes 302, and the cross section of the drainage hole 302 is in a trapezoidal structure, which is similar to a funnel shape. The large diameter facilitates the water flow to enter, and the small diameter preliminarily intercepts large-particle impurities, so that the water flow is preliminarily filtered before entering the filter inner core, thereby improving the filtering efficiency.

[0031] Specifically, the filter inner core 303 is fixedly arranged in the filter bin 1 in a ring shape, and the output end of the pneumatic telescopic rod 304 penetrates through the filter bin 1 and extends into the inner cavity thereof.

[0032] Through the above technical solution, the filter inner core 303 is located in the filter bin 1 to further filter the water flow preliminarily filtered by the reverse filtration inner core 301, block smaller-particle impurities, and ensure that the discharged water reaches a high degree of cleanliness. The pneumatic telescopic rod 304 is connected with an air source and a controller to ensure independent operation of each device, and the pneumatic telescopic rod 304 drives the mounting ring 305 to move.

[0033] Specifically, the mounting ring 305 is in a ring shape, and the cleaning brushes 306 are symmetrically arranged on both sides of the mounting ring 305 in two groups.

[0034] Through the above technical solution, the pneumatic telescopic rod 304 can control the mounting ring 305 to move up and down, and the cleaning brushes 306 clean the inner wall of the filter inner core 303 to prevent impurities from adhering to the filter inner core 303 and affecting the filtering effect, thereby ensuring the filtering efficiency.

[0035] Specifically, the cross section of the placing ring 602 is in a concave shape, and the fixing ring 604 is fixedly arranged outside the collection bin 601.

[0036] Through the above technical solution, the sealing ring 603 is placed in the placing ring 602 to play a sealing role and prevent the collected impurities from leaking, and the fixing ring 604 facilitates the detachable installation of the collection bin 601.

[0037] Specifically, the bolt 605 penetrates through the fixing ring 604 and extends to the outside thereof, and the bolt 605 is matched with the screw hole 606.

[0038] Through the above technical solution, the bolt 605 penetrates through the fixing ring 604 and is screwed into the screw hole 606, so that the collection bin 601 is detachably installed at the lower end of the filter bin 1. When the impurities collected in the collection bin 601 reach a certain degree, the bolt 605 can be unscrewed, and the collection bin 601 can be taken out for cleaning. After cleaning is completed, the collection bin 601 is reinstalled at the bottom of the filter bin 1.

[0039] In use, when the need for grading filtration of drainage, drainage through the inlet pipe 2 into the filter bin 1, because the drainage hole 302 outside small, large particles in the filter core 301, through the filter core 303 to filter smaller particles, and finally filtered drainage through the valve 7 into the drain pipe 8 discharge, by starting the pneumatic telescopic rod 304, pneumatic telescopic rod 304 drive installation ring 305 move, installation ring 305 move scraping the inner wall of the filter core 303, the impurities are cleaned, when the need to remove the collection bin 601 for cleaning, the bolt 605 from the screw hole 606, so that the fixed ring 604 and filter bin 1 separate, convenient to remove the collection bin 601, the impurities collected in the collection bin 601 are cleaned, using in the placement ring 602 placed sealing ring 603, guarantee the sealing of the collection bin 601 installation.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the application. The scope of the application is defined by the appended claims and their equivalents.

Claims

1. A new type of drainage hole filter device comprising a filter bin (1), characterized in that: The upper end of the filter bin (1) is connected with a water inlet pipe (2), and a filter assembly (3) is arranged in the filter bin (1), a through hole (4) is arranged at the bottom center of the filter bin (1), a through ring (5) is arranged at the bottom of the filter bin (1), and a detachable assembly (6) is arranged at the bottom of the filter bin (1); The filter assembly (3) comprises a reverse filter inner core (301), a plurality of drainage holes (302) are arranged on the reverse filter inner core (301), a filter inner core (303) is arranged in the filter bin (1), a pneumatic telescopic rod (304) is arranged at the top of the filter bin (1), an installation ring (305) is arranged at the output end of the pneumatic telescopic rod (304), and cleaning brushes (306) are arranged on the inner and outer sides of the installation ring (305). The detachable assembly (6) comprises a collection bin (601), the top of the collection bin (601) is provided with a placing ring (602), the placing ring (602) is provided with a sealing ring (603), the outer side of the collection bin (601) is provided with a fixing ring (604), one side of the fixing ring (604) is provided with a bolt (605), and the bottom of the filter bin (1) is provided with a threaded hole (606) corresponding to the bolt (605).

2. A new drainage hole filter device according to claim 1, characterized in that: One side of the filter bin (1) is provided with a valve (7), and one end of the valve (7) is connected with a drain pipe (8).

3. A new drainage hole filter device according to claim 1, characterized in that: The reverse filter inner core (301) is arranged in the filter bin (1) in an annular structure, the drainage holes (302) are arranged in multiple groups, the multiple groups of drainage holes (302) are symmetrically arranged at equal intervals on the reverse filter inner core (301), and the cross section of the drainage hole (302) is in a trapezoidal structure.

4. A new drainage hole filter device according to claim 1, characterized in that: The filter inner core (303) is arranged in the filter bin (1) in an annular structure, and the output end of the pneumatic telescopic rod (304) penetrates through the filter bin (1) and extends into the inner cavity of the filter bin (1).

5. A new drainage hole filter device according to claim 1, characterized in that: The installation ring (305) is in an annular structure, and the cleaning brushes (306) are arranged in two groups and symmetrically arranged on the two sides of the installation ring (305).

6. A new drainage hole filter device according to claim 1, characterized in that: The cross section of the placing ring (602) is in a concave structure, and the fixing ring (604) is fixedly arranged on the outer side of the collection bin (601).

7. A new drainage hole filter device according to claim 1 characterized in that: The bolt (605) penetrates through the fixing ring (604) and extends to the outer side of the fixing ring (604), and the bolt (605) is matched with the threaded hole (606).

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