Anti-blocking internal inflow grille filter

With its independent motor drive and detachable high-pressure water nozzle design, the problem of fixed speed of the drive shaft and brush shaft and inconvenient maintenance has been solved, achieving flexible adjustment and efficient cleaning of sewage impurities.

CN223810882UActive Publication Date: 2026-01-20SHAANXI YINGLIAN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202520393412.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-01-20
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

In existing internal flow bar filters, the rotational speed ratio between the drive shaft and the brushing shaft is fixed, which limits the brushing effect, makes it difficult to adjust flexibly, and the installation method of the high-pressure nozzles is inconvenient for maintenance.

Method used

The system employs independent first and second motors to drive the drive wheel and roller respectively, and a third motor to drive the high-pressure water nozzle slider, enabling independent speed adjustment and convenient maintenance.

Benefits of technology

It enables independent rotation of the drive wheel and the drum, allowing for flexible speed adjustment, which improves the removal of sewage impurities and the cleaning effect of the bar screen. Furthermore, the detachable connection of the high-pressure water nozzle facilitates the installation and maintenance of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-blocking internal inflow grille filter. The anti-blocking internal inflow grille filter comprises a shell, a driving wheel is rotationally installed on the inner wall of the shell, a grille filter screen is arranged on the driving wheel, a rotating shaft is arranged at the axis of the driving wheel, the two ends of the rotating shaft are rotationally installed on the inner wall of the shell, the driving wheel is connected with a first motor, one end of the rotating shaft is connected with a second motor, and the other end of the rotating shaft is connected with a first motor. A roller is arranged on the rotating shaft, bristles are arranged on the periphery of the roller, and the bristles are in contact with the inner wall of the grating filter screen. According to the anti-blocking internal inflow grille filter provided by the utility model, the first motor and the second motor are arranged to respectively drive the driving wheel and the roller, and the rotation of the roller and the driving wheel does not interfere with each other; a worker can flexibly adjust the rotating speed of the driving wheel and the rotating speed of the roller according to the situation, and therefore the good working state of the device for salvaging sewage impurities and cleaning the grating filter screen can be achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inner flow grid filter, especially to a kind of anti-blocking inner flow grid filter. BACKGROUND

[0002] The inner flow grid filter is a mechanical device for water treatment, mainly used for intercepting and removing suspended solids, floating objects and particulate matter in water. It is usually applied in sewage treatment plant, pump station, rainwater treatment and other occasions, as a pretreatment device, to protect the subsequent treatment equipment from damage by large particles of debris.

[0003] The prior art discloses an anti-blocking inner flow grid filter, comprising a box body, a grid rotatingly arranged in the box body, and a driving member driving the grid to rotate, a cleaning mechanism for cleaning impurities on the grid is arranged on the box body, the cleaning mechanism comprises a flushing assembly for flushing the grid mesh and a brushing assembly for cleaning the impurities on the surface of the grid, the flushing assembly comprises a blow-off plate arranged below the top surface of the grid and a water inlet pipe arranged above the outer top surface of the grid, one end of the blow-off plate extends out of the box body, a plurality of high-pressure nozzles are communicated with the water inlet pipe along the length direction of the water inlet pipe, the high-pressure nozzles are directed towards the grid, and a water injection member for injecting water into the water inlet pipe is arranged on the box body.

[0004] The brushing shaft of the above-mentioned device is driven by the driven gear, the driven gear is engaged with the driving gear, and the driving gear is driven by the driving shaft, that is, the rotation speed ratio between the three is fixed, when the rotation speed of the driving shaft is slow, the rotation speed of the brushing shaft is also reduced accordingly, and the brushing effect of the bristles on the filter screen is reduced.

[0005] Therefore, it is necessary to provide an anti-blocking inner flow grid filter to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an anti-blocking inner flow grid filter, which can make the driving shaft and the brushing shaft operate independently.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] The anti-blocking inner flow grid filter comprises an outer shell, a driving wheel is rotatably installed on the inner wall of the outer shell, a grid filter screen is arranged on the driving wheel, a shaft is arranged at the center of the driving wheel, the two ends of the shaft are rotatably installed on the inner wall of the outer shell, the driving wheel is connected with a first motor, one end of the shaft is connected with a second motor, a roller is arranged on the shaft, bristles are arranged on the periphery of the roller, and the bristles are in contact with the inner wall of the grid filter screen.

[0009] Preferably, a third motor is further arranged on the shell, the third motor is connected with a lead screw, a sliding block is threadedly arranged on the lead screw, the sliding block is slidingly arranged on a slide rod, and a high-pressure water nozzle is arranged on the sliding block.

[0010] Preferably, the sliding block is provided with a mounting hole, and the high-pressure water nozzle is detachably arranged on the sliding block.

[0011] Preferably, a brush plate is arranged on the inner wall of the shell, and the brush plate is parallel to the direction of the grid filter screen.

[0012] Preferably, a nozzle is arranged at the upper end of the shell, and the nozzle is located at the upper end of the grid filter screen.

[0013] Preferably, the water jet of the nozzle is in a fan shape.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] (1) The first motor and the second motor are arranged to drive the driving wheel and the roller, the rotation of the roller and the driving wheel does not interfere with each other, and the rotation speed of the driving wheel and the roller can be flexibly adjusted according to the situation, so that the device can meet the requirements of fishing sewage impurities and cleaning the grid filter screen.

[0016] (2) The third motor and other related components are arranged to realize the washing effect of the water jet from the high-pressure water nozzle on the grid filter screen, the grid filter screen has small holes on the surface, the high-pressure water nozzle is arranged on the outer side of the grid filter screen, the water jet is perpendicular to the surface and generates a thrust on the impurities on the surface, so that the impurities fall off the grid filter screen.

[0017] (3) The detachable connection mode of the high-pressure water nozzle and the sliding block facilitates the installation, debugging and maintenance of the device after a period of use, and the repair of the high-pressure water nozzle in case of damage or blockage. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a first view angle structure schematic drawing of the anti-blocking inner flow grid filter machine.

[0019] Figure 2 The utility model provides a sectional view of the anti-blocking inner flow grid filter machine.

[0020] Figure 3 The utility model provides a second view angle structure schematic drawing of the anti-blocking inner flow grid filter machine.

[0021] Figure 4 The utility model provides a first view angle structure schematic drawing of the anti-blocking inner flow grid filter machine. Figure 1 The utility model provides a first view angle structure schematic drawing of the anti-blocking inner flow grid filter machine.

[0022] Wherein, the corresponding name of the reference signs is: 101, shell; 102, drive wheel; 103, shaft; 104, grid filter; 105, first motor; 106, belt; 107, second motor; 108, roller; 109, brush; 110, third motor; 111, slide bar; 112, screw; 113, sliding block; 114, mounting hole; 115, brush plate; 116, nozzle. DETAILED DESCRIPTION

[0023] The utility model will be further explained in combination with the drawings and examples, and the mode of the utility model includes but is not limited to the following examples.

[0024] First embodiment:

[0025] As Figures 1-3 Indicated, the anti-blocking inner flow grid filter provided by the utility model, comprising: shell 101, the shape of shell 101 is as Figure 1 Indicated, for the convenience of showing the internal structure Figure 1 Indicated, shell 101 only draws part of structure, and the rest structure is same with the structure drawn in Figure 1 Indicated, the shaft 103 of the drive wheel 102 is provided with the shaft 103, the shaft 103 is rotatably installed on the inner wall of the shell 101, the central axis of the shaft 103 coincides with the central axis of the drive wheel 102, the shaft 103 one end installs the driven wheel, the second motor 107 is installed with the driving wheel, and the driving wheel is connected with the driven wheel through the belt 106, and the second motor 107 drives the driven wheel and the shaft 103 to rotate after starting, as Figure 2 Indicated, the shaft 103 is fixed with the roller 108, the roller 108 is provided with the brush 109 on the periphery, the brush 109 is in contact with the inner wall of the grid filter 104, when the second motor 107 drives the shaft 103 to rotate, the shaft 103 drives the roller 108 to rotate immediately, and the brush 109 on the surface of the roller 108 is driven to rotate and rubs the dirt and sundries on the inner wall of the grid filter 104, so that the dirt and sundries adsorbed on the grid filter 104 are cleaned down.

[0026] The first motor 105 and the second motor 107 are arranged to drive the drive wheel 102 and the roller 108 respectively, the rotation of the roller 108 and the drive wheel 102 does not interfere with each other, and the rotation speed of the drive wheel 102 and the roller 108 can be flexibly adjusted according to the situation, so that the device can meet the requirements of salvaging the impurities in sewage and cleaning the grid filter 104.

[0027] Second embodiment:

[0028] As shown in Figure 1 , Figure 4 , the shell 101 is further provided with a third motor 110, the third motor 110 is connected with a lead screw 112, the lead screw 112 is threadedly installed with a sliding block 113, the sliding block 113 is slidingly installed on a slide rod 111, both ends of the slide rod 111 are fixed on the shell 101, and this part constitutes a lead screw mechanism. When the third motor 110 drives the lead screw 112 to rotate, the sliding block 113 is pushed to slide along the slide rod 111 under the action of the threads on the surface of the lead screw 112. The third motor 110 drives the sliding block 113 to move in the opposite direction on the slide rod 111 by positive and reverse rotation. The sliding block 113 is provided with a high-pressure water jet head, and a flexible water pipe is connected to the high-pressure water jet head. When the sliding block 113 moves on the slide rod 111, the high-pressure water jet head for spraying water moves left and right.

[0029] The third motor 110 and other related components are arranged to realize the washing effect of the water sprayed from the high-pressure water jet head on the grid filter 104. The grid filter 104 has small holes on its surface. The high-pressure water jet head is installed outside the grid filter 104. The sprayed water is perpendicular to the surface of the grid filter 104 and generates a thrust on the impurities on the surface of the grid filter 104, which promotes the impurities to fall off from the grid filter 104.

[0030] Third embodiment:

[0031] As shown in Figure 4 , the sliding block 113 is provided with a mounting hole 114, and the surface of the high-pressure water jet head is threaded. Therefore, the high-pressure water jet head can be detachably installed on the sliding block 113 through the mounting hole 114.

[0032] The detachable connection between the high-pressure water jet head and the sliding block 113 facilitates the installation and debugging of the device, and the maintenance of the high-pressure water jet head in case of damage or blockage after a period of use of the device.

[0033] Fourth embodiment:

[0034] As shown in Figure 1 , the inner wall of the shell 101 is provided with a brush plate 115, and the brush plate 115 is parallel to the direction of the grid filter 104. The side wall of the brush plate 115 is provided with an elongated fiber filament. The fiber filament contacts the outside of the grid filter 104 and passes through the small holes on the surface of the grid filter 104, so that the end of the fiber filament enters the inside of the grid filter 104 and contacts the impurities attached to the inside of the grid filter 104, thereby pushing the impurities with small adhesion off the grid filter 104.

[0035] Fifth embodiment:

[0036] As shown in Figure 1As shown, the upper end of the shell 101 is provided with a nozzle 116, the nozzle 116 is located on the upper end of the grid filter 104, the nozzle 116 is circumscribed by a high-pressure water pipe, the water sprayed by the nozzle 116 is a fan shape, after the grid filter 104 is brushed by the brush 109, the large-particle impurities are cleaned and removed, and the small-particle impurities can be stuck in the mesh of the grid filter 104, the small-particle impurities on the grid filter 104 are washed away by the high-pressure water washing mode, so that the anti-clogging effect of the grid filter 104 is realized.

[0037] Working principle: the first motor 105 and the second motor 107 are arranged to realize the driving effect of the driving wheel 102 and the roller 108, respectively, the rotation of the roller 108 and the driving wheel 102 does not interfere with each other, and the working personnel can flexibly adjust the rotating speed of the driving wheel 102 and the roller 108 according to the situation, so that the device can meet the good working state of the sewage impurity salvage and the grid filter 104 cleaning.

[0038] The above embodiment is only one of the preferred embodiments of the present application, and should not be used to limit the protection scope of the present application, but any modification or polishing without substantial meaning made on the basis of the main design idea and spirit of the present application, the technical problems solved are still consistent with the present application, and should be included in the protection scope of the present application.

Claims

1. A non-clogging, internally progressive screen, characterized in that, Include: The shell (101), the outer wall of the shell (101) is rotatably installed with a drive wheel (102), the drive wheel (102) is provided with a grid filter screen (104), the drive wheel (102) is provided with a rotating shaft (103) at the center of the shaft, the rotating shaft (103) is rotatably installed at both ends of the outer wall of the shell (101), the drive wheel (102) is connected with a first motor (105), one end of the rotating shaft (103) is connected with a second motor (107), the rotating shaft (103) is provided with a roller (108), the roller (108) is provided with bristles (109) on the periphery, the bristles (109) are in contact with the inner wall of the grid filter screen (104).

2. The anti-clogging internal flow grate filter machine of claim 1, wherein, The shell (101) is also provided with a third motor (110), the third motor (110) is connected with a lead screw (112), the lead screw (112) is threadedly mounted with a sliding block (113), the sliding block (113) is slidably mounted on a slide rod (111), the sliding block (113) is provided with a high-pressure water spray head.

3. The anti-clogging internal flow grate filter machine of claim 2, wherein, The sliding block (113) is provided with a mounting hole (114), and the high-pressure water spray head can be detachably mounted on the sliding block (113).

4. The anti-clogging internal flow grate filter machine of claim 1, wherein, The inner wall of the shell (101) is provided with a brush plate (115), and the brush plate (115) is parallel to the direction of the grid filter screen (104).

5. The anti-clogging internal flow grid strainer of claim 1, wherein, The upper end of the shell (101) is provided with a nozzle (116), and the nozzle (116) is located at the upper end of the grid filter screen (104).

6. The anti-clogging internal flow grate filter machine of claim 5, wherein, The water sprayed by the nozzle (116) is fan-shaped.