Municipal drainage pipe filtering device

Abstract

The utility model discloses a municipal drainage pipe filtering device, which relates to the technical field of municipal engineering and comprises a first drainage pipe, a well lid arranged at the top of the first drainage pipe, a second drainage pipe connected to the bottom end of the first drainage pipe, a filtering mechanism arranged at the bottom of the well lid, and an auxiliary mechanism arranged on one side wall of the drainage pipe. The auxiliary mechanism is used for assisting in discharging rainwater in the filtering mechanism and comprises a sewer pipe arranged on the side wall of the filtering mechanism, the end, away from the filtering mechanism, of the sewer pipe is connected with a filtering cylinder, a limiting rod is arranged in the end, close to the filtering mechanism, of the sewer pipe, and the limiting rod movably penetrates through a sliding block; one end of the sliding block is connected with a floating block used for movably blocking an opening in one end of the sewer pipe, and the filtering mechanism is used for filtering rainwater drained by the well lid. Impurities in the filter barrel can be conveniently cleaned, the cleaning efficiency is improved, emergency drainage can be achieved, and the situation that the water level continuously rises to the position above the well lid when the filter plate is blocked is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to municipal engineering technical field, concretely is a kind of municipal drainage pipe filter device. BACKGROUND

[0002] Municipal drainage pipe is the pipeline for urban drainage system, mainly for collecting, transporting and discharging rainwater, wastewater and sewage, in order to avoid drainage pipe blockage when carrying out drainage, usually need to filter drainage.

[0003] In the prior art, the utility model with publication number CN221867676U provides a kind of municipal drainage pipe filter device, comprising: first drain pipe and second drain pipe;Filter mechanism, to avoid the filter mechanism when draining is set between first drain pipe and second drain pipe Blockage;Wherein, the filter mechanism includes the filter box fixedly connected to the one end of first drain pipe;When carrying out drainage operation, the sundries in water flow can be filtered using filter plate in filter mechanism, at the same time, when the sundries retained on filter plate are cleaned, rotate filter plate, make filter plate and guide plate be in inclined state, using the effect of filter plate inclination and guide plate to guide water flow into filter box, it is beneficial to make water flow to wash the sundries retained on filter plate, avoid sundries accumulation to cause filter plate blockage.

[0004] The municipal drainage pipe filter device, flushing cannot clean all sundries on filter plate, part of sundries needs manual cleaning, filter box is sealed structure and is not convenient for manual cleaning sundries on filter plate, when filter plate is blocked, emergency drainage cannot be carried out, for this purpose, a kind of municipal drainage pipe filter device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of municipal drainage pipe filter device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of municipal drainage pipe filter device, including drain pipe one, the top of drain pipe one is equipped with well lid, drain pipe two is connected to the bottom end of drain pipe one, the bottom of well lid is equipped with filter mechanism, the side wall of drain pipe one is equipped with auxiliary mechanism, the auxiliary mechanism is used to assist the rainwater in filter mechanism to be discharged, the auxiliary mechanism includes the downspout being arranged in the side wall of filter mechanism, the filter cartridge is connected to the end of downspout away from filter mechanism, the limit rod is arranged in the end of downspout close to filter mechanism, the limit rod moves and penetrates slide block, the one end of slide block is connected with the float block for moving and blocking the opening of downspout one end.

[0007] Preferably, the filter mechanism is used to filter the rainwater discharged by well lid.

[0008] Preferably, the filtering mechanism comprises a filter screen arranged at the bottom of the well lid, a filter plate arranged below the filter screen, a fixing block arranged on the filter plate, and a bolt threadedly connected to the fixing block and used for fixing the filter plate at the bottom of the filter screen.

[0009] Preferably, the downpipe is in L-shaped structure, the downpipe is arranged on the outer wall of the filter screen, and the filter cartridge is used for filtering rainwater discharged by the downpipe.

[0010] Preferably, the limiting rod is used for supporting the sliding block to lift, a smooth coating is arranged on the outer wall of the limiting rod, and the floating block is provided with a sealing ring on the side close to the downpipe.

[0011] Preferably, the filter screen is in tubular structure, the length of the filter screen is less than the height of the downpipe, and the hole of the filter screen is the same in size as the hole of the filter plate.

[0012] Preferably, the fixing block is provided with at least two groups of symmetrically distributed fixing blocks on the filter plate, and one end of the bolt penetrates through the side wall of the filter screen and is threadedly connected to the fixing block.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The rainwater flowing down at the well lid enters the filter barrel composed of the filter screen and the filter plate, flows down into the bottom of the downpipe one through the filter barrel, and then enters the downpipe two through the downpipe one, when the filter barrel needs to be cleaned, the bolt is rotated, the bolt is separated from the fixing block, the filter plate can be taken down, and then the sundries inside the filter screen and on the filter plate are cleaned, so that the sundries in the filter barrel can be cleaned conveniently, and the cleaning efficiency is improved.

[0015] 2. When the filter plate is blocked, the well lid is taken out, the filter barrel is moved out of the downpipe one along with the well lid, the water flow rate of the filter barrel is reduced, the water level in the filter barrel rises, the floating block is pulled up to move the sliding block to slide on the limiting rod, the floating block is separated from the downpipe by moving up, part of the liquid in the filter barrel enters the downpipe, and is discharged into the bottom of the downpipe one through the downpipe and the filter cartridge, so that emergency drainage can be realized, and the water level is prevented from continuously rising above the well lid when the filter plate is blocked. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural schematic view of the auxiliary mechanism in the utility model;

[0018] Fig. 3 It is a structural schematic view of the filtering mechanism in the utility model.

[0019] In the figure: 1, drainpipe one; 2, well lid; 3, filtering mechanism; 31, filter screen; 32, filter plate; 33, fixed block; 34, bolt; 4, drainpipe two; 5, auxiliary mechanism; 51, sewer pipe; 52, filter cartridge 2; 53, limiting rod; 54, sliding block; 55, floating block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1-3 A kind of municipal drainage pipe filtering device, including drainpipe one 1, drainpipe one 1 top is equipped with well lid 2, drainpipe one 1 bottom end is connected drainpipe two 4, well lid 2 bottom is equipped with filtering mechanism 3, filtering mechanism 3 is used to filter rainwater that well lid 2 is discharged, filtering mechanism 3 includes the filter screen 31 being equipped in well lid 2 bottom, filter screen 31 below is equipped with filter plate 32, filter plate 32 is equipped with fixed block 33, fixed block 33 is screw-threaded connection with bolt 34 for being used to filter plate 32 is fixed at the bottom of filter screen 31, filter screen 31 is perforated tubular structure, filter screen 31 length is less than the height of drainpipe one 1, filter screen 31 hole and filter plate 32 hole size are same, filter screen 31 and filter plate 32 form filter barrel, fixed block 33 is equipped with at least two groups of symmetric distribution

[0022] On filter plate 32, bolt 34 one end moves and is screw-threaded connection fixed block 33 through filter screen 31 side wall.

[0023] Rainwater that well lid 2 is discharged enters the filter barrel formed by filter screen 31 and filter plate 32, is filtered and flows down into drainpipe one 1 bottom, then is entered into drainpipe two 4 by drainpipe one 1, when needing to clean filter barrel, remove well lid 2, filter barrel is removed with well lid 2 from drainpipe one 1, rotate bolt 34, bolt 34 is separated from fixed block 33, can then filter plate 34 is removed, then the sundries in filter screen 31 and on filter plate 34, make it convenient to clean the sundries in filter barrel, improve cleaning efficiency.

[0024] The side wall of the drainpipe one 1 is provided with an auxiliary mechanism 5, the auxiliary mechanism 5 is used for assisting the rainwater in the filtering mechanism 3 to drain, the auxiliary mechanism 5 includes a sewer pipe 51 arranged on the side wall of the filtering mechanism 3, the sewer pipe 51 is connected with a filter cartridge 52 at the end away from the filtering mechanism 3, the end of the sewer pipe 51 close to the filtering mechanism 3 is provided with a limiting rod 53, the limiting rod 53 moves through a sliding block 54, one end of the sliding block 54 is connected with a floating block 55 used for moving to block the opening of the end of the sewer pipe 51, the sewer pipe 51 is in L-shaped structure, the sewer pipe 51 is arranged on the outer side wall of the filter screen 31, the filter cartridge 52 is used for filtering the rainwater drained by the sewer pipe 51, the limiting rod 53 is used for supporting the sliding block 54 to lift and lower, the outer wall of the limiting rod 53 is provided with a smooth coating, and the floating block 55 is provided with a sealing ring close to one side of the sewer pipe 51.

[0025] When the filter plate 34 is blocked, the water draining speed of the filter barrel is slowed down, the water level in the filter barrel rises, the floating block 55 is pushed to move upwards, the floating block 55 pulls the sliding block 54 to slide on the limiting rod 53, the floating block 55 is separated from the sewer pipe 51 after moving upwards, part of the liquid in the filter barrel enters the sewer pipe 51, and is drained into the bottom of the drainpipe one 1 through the sewer pipe 51 and the filter cartridge 52, so that emergency drainage can be realized without manually opening, and the water level is prevented from continuously rising above the well lid 2 when the filter plate 34 is blocked.

[0026] Working principle: the rainwater flowing from the well lid 2 enters the filter barrel composed of the filter screen 31 and the filter plate 32, is filtered by the filter barrel, flows down into the bottom of the drainpipe one, and then enters the drainpipe two 4 through the drainpipe one 1, when the filter barrel needs to be cleaned, the well lid 2 is taken out, the filter barrel is removed from the drainpipe one 1 along with the well lid 2, the bolt 34 is rotated, the bolt 34 is separated from the fixed block 33, the filter plate 34 can be taken down, and then the sundries inside the filter screen 31 and on the filter plate 34 are cleaned, so that the sundries in the filter barrel can be conveniently cleaned, and the cleaning efficiency is improved, when the filter plate 34 is blocked, the water draining speed of the filter barrel is slowed down, the water level in the filter barrel rises, the floating block 55 is pushed to move upwards, the floating block 55 pulls the sliding block 54 to slide on the limiting rod 53, the floating block 55 is separated from the sewer pipe 51 after moving upwards, part of the liquid in the filter barrel enters the sewer pipe 51, and is drained into the bottom of the drainpipe one 1 through the sewer pipe 51 and the filter cartridge 52, so that emergency drainage can be realized without manually opening, and the water level is prevented from continuously rising above the well lid 2 when the filter plate 34 is blocked.

[0027] The filter screen, the filter plate and the filter cartridge are prior art, and will not be repeated here.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A municipal drainage pipe filtering device, comprising a first drainage pipe (1), a well cover (2) is arranged at the top of the first drainage pipe (1), and a second drainage pipe (4) is connected to the bottom end of the first drainage pipe (1), characterized in that: The bottom of the well lid (2) is provided with a filtering mechanism (3), the side wall of the drainpipe (1) is provided with an auxiliary mechanism (5), the auxiliary mechanism (5) is used for assisting the drainage of rainwater in the filtering mechanism (3), the auxiliary mechanism (5) comprises a sewer pipe (51) arranged on the side wall of the filtering mechanism (3), one end of the sewer pipe (51) away from the filtering mechanism (3) is connected with a filter cylinder (52), the end of the sewer pipe (51) close to the filtering mechanism (3) is provided with a limiting rod (53), the limiting rod (53) moves through a sliding block (54), one end of the sliding block (54) is connected with a floating block (55) for moving to block the opening of one end of the sewer pipe (51).

2. The municipal drain pipe filtering device according to claim 1, characterized in that: The filtering mechanism (3) is used for filtering rainwater drained by the well lid (2).

3. The municipal drain pipe filtering device according to claim 2, characterized in that: The filtering mechanism (3) comprises a filter screen (31) arranged on the bottom of the well lid (2), a filter plate (32) arranged below the filter screen (31), a fixing block (33) arranged on the filter plate (32), and a bolt (34) threadedly connected on the fixing block (33) for fixing the filter plate (32) on the bottom of the filter screen (31).

4. The municipal drain pipe filtering device of claim 1, wherein: The sewer pipe (51) is in L-shaped structure, the sewer pipe (51) is arranged on the outer side wall of the filter screen (31), and the filter cylinder (52) is used for filtering rainwater drained by the sewer pipe (51).

5. The municipal drain pipe filtering device of claim 1, wherein: The limiting rod (53) is used for supporting the sliding block (54) to rise and fall, the outer wall of the limiting rod (53) is provided with a smooth coating, and the floating block (55) is provided with a sealing ring close to one side of the sewer pipe (51).

6. The municipal drain pipe filtering device of claim 3, wherein: The filter screen (31) is in tubular structure, the length of the filter screen (31) is less than the height of the drainpipe (1), and the hole size of the filter screen (31) is the same as that of the filter plate (32).

7. The municipal drain pipe filtering device of claim 3, wherein: The fixing block (33) is provided with at least two groups of symmetrically distributed filter plates (32), and one end of the bolt (34) moves through the side wall of the filter screen (31) and is threadedly connected with the fixing block (33).

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