Filtering device for urban drainage pipe network

Abstract

The utility model relates to the technical field of drainage pipe networks, and discloses a filtering device for an urban drainage pipe network, which comprises a drainage well, a drainage pipe arranged at the bottom of the drainage well, a conical filtering net arranged in the drainage well, a collecting net barrel fixedly connected in the drainage well and a connecting assembly arranged in the drainage well, the connecting assembly comprises a dismounting and mounting mechanism arranged in the drainage well, a cleaning mechanism is arranged in the drainage well, the conical filter screen is slidably connected to the outer wall of a sliding rail through a sliding groove, a clamping rod is clamped to a clamping groove, and the end, away from a connecting block, of a first spring is fixedly connected with a fixing block. The device solves the problems that a conical filter screen of an existing device is inconvenient to disassemble, so that the conical filter screen is inconvenient to deeply clean manually, and the conical filter screen is still easy to block after being used for a long time, so that the applicability of the device is influenced.

Description

TECHNICAL FIELD

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

[0002] Town drainage pipe network includes various rainwater inlet, rainwater sewer, drainage well, drainage pump station and its accessory facilities, to prevent drainage pipe blockage, filter screen is usually installed in drainage pipe, rainwater on urban road can enter each drainage pipe by drainage well.

[0003] Patent announcement No. CN 218608280 U discloses a kind of filter device for urban drainage pipe network, the device is set by conical filter screen, sewage is filtered out impurities after entering from drainage well and then enters drainage pipe, by the setting of cleaning assembly, conical filter screen can be brushed, adhered impurities are brushed off, the overall structure realizes the purpose that filter device for urban drainage pipe network is easy to clean, reduces the frequency of disassembly, impurities brushed off by cleaning assembly can be collected by collection assembly, and can be disassembled from drainage well along with cleaning assembly;But the device is not convenient for the disassembly of conical filter screen, so that manual deep cleaning of conical filter screen is not convenient, after long-term use of conical filter screen, still prone to blockage, thereby affecting the applicability of the device.

[0004] Therefore, a filter device for urban drainage pipe network is needed to solve the problems of existing disassembly and repair inconvenience, difficulty in deep cleaning, poor filtering effect and easy clogging of filter screen. INVENTION CONTENTS

[0005] Therefore, a filter device for urban drainage pipe network is needed to solve the problems of existing disassembly and repair inconvenience, difficulty in deep cleaning, poor filtering effect and easy clogging of filter screen.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of external hanging liquid spraying device of urban high-rise fire-fighting helicopter, including drainage well, drainage pipe being arranged at the bottom of drainage well, conical filter screen being arranged in drainage well and collection net barrel being fixedly connected in drainage well, drainage pipe is communicated with the inside of drainage well, connection assembly is arranged in the inside of drainage well, connection assembly includes dismounting mechanism being arranged in the inside of drainage well, cleaning mechanism is also arranged in the inside of drainage well.

[0007] Furthermore, the disassembly and assembly mechanism includes a sliding rail fixedly connected to the inner wall of the drainage well, the bottom end of the sliding rail is fixedly connected to a limiting block, the outer wall of the conical filter screen is provided with a sliding groove, the upper part of the conical filter screen is fixedly connected to a fixed block, a clamping rod is movably connected inside the fixed block, one end of the clamping rod is fixedly connected to the connecting block, one side of the connecting block is fixedly connected to a first spring, a positioning hole is provided inside the fixed block, a positioning strip is fixedly connected to the outer wall of the clamping rod, a limiting groove is provided on one side of the fixed block, and a clamping groove is provided on one side of the sliding rail.

[0008] Furthermore, the cleaning mechanism includes a mounting plate arranged inside the drainage well, a motor is fixedly mounted on the bottom of the mounting plate, a rotating shaft is fixedly connected to the output end of the motor, a mounting plate is fixedly connected to the outer wall of the rotating shaft, a first positioning groove is provided on the upper part of the mounting plate, a first positioning block is provided on the upper part of the first positioning groove, a first bolt is provided on the inner wall of the first positioning groove, a connecting rod is fixedly connected to the outer side of the first positioning block, an inner groove is provided at the bottom end of the connecting rod, a connecting column is sleeved inside the inner groove, a second spring is fixedly connected to the inner wall of the inner groove, a scraper rod is fixedly connected to the outer end of the connecting column, a protrusion is fixedly connected to the inner wall of the conical filter screen, a second positioning groove is provided on the inner wall of the drainage well, a second positioning block is clamped on the inner wall of the second positioning groove, a second bolt is threadedly connected to the inner wall of the second positioning groove, and a mounting column is fixedly connected to the outer side of the second positioning block.

[0009] Furthermore, the conical filter is slidably connected to the outer wall of the slide rail through a slide groove, the clamping rod is clamped with the clamping groove, and the first spring is fixedly connected to the fixed block at one end away from the connecting block. Through the cooperation of the slide rail, the slide groove, the limit block, the fixed block, the clamping rod, the connecting block, the first spring, the positioning bar, the positioning hole, the limit groove, and the clamping groove, the conical filter is easily disassembled manually, thereby facilitating manual deep cleaning of the conical filter, thereby preventing the filter holes of the conical filter from being blocked and affecting the filtering effect.

[0010] Furthermore, the positioning bar is slidably connected in the positioning hole, and the positioning bar is adapted to the limiting groove.

[0011] Furthermore, the first bolt is threadedly connected to the first positioning block, one end of the mounting column is fixedly connected to the mounting plate, and the second bolt is threadedly connected to the second positioning block. Through the cooperation of the first positioning block, the first positioning groove, the first bolt, the second positioning block, the second bolt, the mounting column, the mounting plate, the connecting rod, and the scraper rod, the conical filter can be self-cleaned, thereby preventing the filter holes of the conical filter from being clogged, and at the same time reducing the number of times the conical filter is manually disassembled for cleaning, thereby increasing the applicability of the device. At the same time, the parts of the mounting plate can be disassembled, thereby facilitating manual inspection and maintenance of the parts arranged at the lower part of the mounting plate.

[0012] Furthermore, one end of the second spring is fixedly connected to the connecting column, which is a rectangular column. Through the cooperation of the connecting rod, the connecting column, the second spring, the scraper rod, and the protrusion, when the scraper rod is pressed against the protrusion, the scraper rod can be moved away from the conical filter screen, so that impurities between the scraper rod and the conical filter screen can fall off, and at the same time, the conical filter screen can be vibrated, thereby further preventing the filter holes of the conical filter screen from being blocked.

[0013] The utility model provides a filtering device for urban drainage pipe network, which has the following beneficial effects:

[0014] 1. The filtering device for the urban drainage pipe network is provided with a disassembly and assembly mechanism. Under the action of the slide rail, slide groove, limit block, fixed block, clamping rod, connecting block, first spring, positioning bar, positioning hole, limit groove and clamping groove, it is convenient for manual disassembly of the conical filter screen, thereby facilitating manual deep cleaning of the conical filter screen, thereby preventing the filter holes of the conical filter screen from being blocked and affecting the filtering effect.

[0015] 2. The filtering device for the urban drainage pipe network is provided with a cleaning mechanism. Under the action of the first positioning block, the first positioning groove, the first bolt, the second positioning block, the second bolt, the mounting column, the mounting plate, the connecting rod and the scraper rod, the conical filter screen can be self-cleaned, thereby preventing the filter holes of the conical filter screen from being clogged and reducing the number of times the conical filter screen is manually disassembled for cleaning, thereby increasing the applicability of the device. At the same time, the parts of the mounting plate can be disassembled, thereby facilitating manual inspection and maintenance of the parts arranged at the lower part of the mounting plate. Under the action of the connecting rod, the connecting column, the second spring, the scraper rod and the protrusion, when the scraper rod is pressed against the protrusion, the scraper rod can be moved away from the conical filter screen, thereby allowing impurities between the scraper rod and the conical filter screen to fall off, and at the same time, the conical filter screen can be vibrated, thereby further preventing the filter holes of the conical filter screen from being clogged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 It is a schematic cross-sectional structure diagram of the entire utility model;

[0019] Figure 3 This is a schematic diagram of the disassembly and assembly mechanism structure of the utility model;

[0020] Figure 4 This is a partial structural diagram of the disassembly and assembly mechanism of the utility model;

[0021] Figure 5 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0022] Figure 6 This is a structural diagram of a portion A of the cleaning mechanism of the present invention;

[0023] Among them: 1. Drain well; 2. Drain pipe; 3. Connecting assembly; 4. Conical filter; 5. Collection net bucket; 31. Disassembly and assembly mechanism; 311. Slide rail; 312. Limit block; 313. Slide groove; 314. Fixing block; 315. Clamping rod; 316. Connecting block; 317. First spring; 318. Positioning bar; 319. Positioning hole; 3110. Limiting groove; 3111. Clamping groove; 32. Cleaning mechanism; 321. Mounting plate; 322, motor; 323, rotating shaft; 324, mounting plate; 325, first positioning groove; 326, first positioning block; 327, first bolt; 328, connecting rod; 329, inner groove; 3210, connecting column; 3211, second spring; 3212, scraper rod; 3213, second positioning groove; 3214, second positioning block; 3215, second bolt; 3216, mounting column; 3217, protrusion. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0025] The following describes the implementation of the present invention through specific concrete examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. The present invention can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present invention, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement an apparatus and / or practice a method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this apparatus and / or practice this method.

[0027] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. The illustrations only show components related to the present invention and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0028] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples. However, one skilled in the art will appreciate that the aspects described can be practiced without these specific details.

[0029] Example 1

[0030] like Figures 1 to 6 As shown, an external spray device for a city high-rise fire-fighting helicopter is provided, comprising a drainage well 1, a drainage pipe 2 arranged at the bottom of the drainage well 1, a conical filter screen 4 arranged inside the drainage well 1, a collection net barrel 5 fixedly connected to the inside of the drainage well 1, and a connecting assembly 3 arranged inside the drainage well 1. The drainage pipe 2 is connected to the inside of the drainage well 1, and the connecting assembly 3 includes a disassembly mechanism 31 arranged inside the drainage well 1. A cleaning mechanism 32 is provided inside the drainage well 1. The disassembly mechanism 31 includes a slide rail 311 fixedly connected to the inner wall of the drainage well 1, and the bottom end of the slide rail 311 is fixed to the inner wall of the drainage well 1. A limiting block 312 is fixedly connected, a sliding groove 313 is provided on the outer wall of the conical filter screen 4, a fixed block 314 is fixedly connected to the upper part of the conical filter screen 4, a clamping rod 315 is movably connected inside the fixed block 314, one end of the clamping rod 315 is fixedly connected to the connecting block 316, one side of the connecting block 316 is fixedly connected to a first spring 317, a positioning hole 319 is provided inside the fixed block 314, a positioning bar 318 is fixedly connected to the outer wall of the clamping rod 315, a limiting groove 3110 is provided on one side of the fixed block 314, and a clamping groove 3111 is provided on one side of the slide rail 311.

[0031] In the embodiment, the conical filter screen 4 is connected to the outer wall of the sliding rail 311 through the sliding groove 313, the clamping rod 315 is clamped with the clamping groove 3111, the first spring 317 is fixedly connected to the fixed block 314 away from the one end of the connecting block 316, and the cooperation of the sliding rail 311, the sliding groove 313, the limiting block 312, the fixed block 314, the clamping rod 315, the connecting block 316, the first spring 317, the positioning strip 318, the positioning hole 319, the limiting groove 3110 and the clamping groove 3111 facilitates manual disassembly of the conical filter screen 4, thereby facilitating manual deep cleaning of the conical filter screen 4, and further preventing the filter holes of the conical filter screen 4 from being blocked to affect the filtering effect. The positioning strip 318 is slidingly connected in the positioning hole 319, and the positioning strip 318 is adapted to the limiting groove 3110.

[0032] When the conical filter screen 4 needs to be disassembled, first, the mounting plate 321 and other components are disassembled by hand, then the clamping rod 315 is pulled outward by hand, so that the clamping rod 315 is separated from the clamping groove 3111, and the clamping rod 315 moves outward, so that the positioning strip 318 fixedly connected to the outer wall of the clamping rod 315 moves outward synchronously, when the positioning strip 318 moves outward and separates from the positioning hole 319, the clamping rod 315 is rotated by hand, so that the positioning strip 318 is rotated, then the positioning strip 318 is matched with the limiting groove 3110 by hand, and the clamping rod 315 is kept away from the clamping groove 3111 under the action of the first spring 317, so that the hand is freed, thereby facilitating manual disassembly of the conical filter screen 4, then under the action of the sliding groove 313 and the sliding rail 311, the conical filter screen 4 can be taken out upward by hand, thereby facilitating manual deep cleaning of the conical filter screen 4, and further preventing the filter holes of the conical filter screen 4 from being blocked to affect the filtering effect.

[0033] Embodiment 2

[0034] On the basis of embodiment 1, the cleaning mechanism 32 comprises a mounting plate 321 arranged inside the drainage well 1, a motor 322 fixedly installed at the bottom of the mounting plate 321, a rotating shaft 323 fixedly connected to the output end of the motor 322, a mounting disc 324 fixedly connected to the outer wall of the rotating shaft 323, a first positioning groove 325 opened at the upper portion of the mounting disc 324, a first positioning block 326 opened at the upper portion of the first positioning groove 325, a first bolt 327 opened at the inner wall of the first positioning groove 325, a connecting rod 328 fixedly connected to the outer side of the first positioning block 326, an inner groove 329 opened at the bottom end of the connecting rod 328, a connecting column 3210 sleeved inside the inner groove 329, a second spring 3211 fixedly connected to the inner wall of the inner groove 329, a scraping rod 3212 fixedly connected to the outer end of the connecting column 3210, a protrusion 3217 fixedly connected to the inner wall of the conical filter screen 4, a second positioning groove 3213 opened at the inner wall of the drainage well 1, a second positioning block 3214 clamped at the inner wall of the second positioning groove 3213, and a second bolt 3215 threadedly connected to the inner wall of the second positioning groove 3213, wherein the mounting column 3216 is fixedly connected to the mounting plate 321 at one end.

[0035] In this embodiment, the first bolt 327 is threadedly connected to the first positioning block 326, the mounting column 3216 is fixedly connected to the mounting plate 321 at one end, and the second bolt 3215 is threadedly connected to the second positioning block 3214. Through the cooperation of the first positioning block 326, the first positioning groove 325, the first bolt 327, the second positioning block 3214, the second bolt 3215, the mounting column 3216, the mounting plate 321, the connecting rod 328, and the scraping rod 3212, the conical filter screen 4 can be self-cleaned, thereby preventing the filter holes of the conical filter screen 4 from being blocked and reducing the number of times of manually disassembling the conical filter screen 4 for cleaning, thus increasing the applicability of the device. Meanwhile, the parts of the mounting plate 321 can be disassembled, thereby facilitating manual maintenance and repair of the parts arranged at the lower portion of the mounting plate 321.

[0036] The second spring 3211 is fixedly connected to the connecting column 3210 at one end, and the connecting column 3210 is a rectangular column. Through the cooperation of the connecting rod 328, the connecting column 3210, the second spring 3211, the scraping rod 3212, and the protrusion 3217, when the scraping rod 3212 is pressed against the protrusion 3217, the scraping rod 3212 can be moved away from the conical filter screen 4, thereby allowing the impurities between the scraping rod 3212 and the conical filter screen 4 to fall off, and allowing the conical filter screen 4 to vibrate, thus further preventing the filter holes of the conical filter screen 4 from being blocked.

[0037] When the conical filter screen 4 needs to be cleaned, the rotating shaft 323 is driven to rotate by the motor 322, so that the mounting disc 324 fixedly connected to the outer wall of the rotating shaft 323 is rotated, under the action of the first positioning block 326 and the first bolt 327, so that the connecting rod 328 fixedly connected to the outer side of the first positioning block 326 is synchronously rotated, under the action of the connecting column 3210, so that the scraper rod 3212 fixedly connected to one end of the connecting column 3210 is synchronously rotated, thereby the conical filter screen 4 can be self-cleaned, the filter holes of the conical filter screen 4 can be prevented from being blocked, meanwhile, the number of times of manually disassembling the conical filter screen 4 for cleaning can be reduced, thereby the applicability of the device is increased, and when the scraper rod 3212 is pressed against the protrusion 3217 during rotation, under the action of the elastic force of the second spring 3211, the scraper rod 3212 can be away from the conical filter screen 4, so that the impurities between the scraper rod 3212 and the conical filter screen 4 can fall off, meanwhile, the conical filter screen 4 can be vibrated, thereby the filter holes of the conical filter screen 4 can be further prevented from being blocked.

[0038] In summary, the utility model has the advantages of convenient disassembly and repair, deep cleaning, good filtering effect and non-blocking filter screen.

[0039] The above merely describes a specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A filtering device for urban drainage pipe network, characterized by: The invention comprises a drainage well (1), a drainage pipe (2) arranged at the bottom of the drainage well (1), a conical filter screen (4) arranged inside the drainage well (1), and a collection net barrel (5) fixedly connected to the inside of the drainage well (1); the drainage pipe (2) is in communication with the inside of the drainage well (1); a connecting assembly (3) is arranged inside the drainage well (1); the connecting assembly (3) includes a disassembly mechanism (31) arranged inside the drainage well (1); and a cleaning mechanism (32) is also arranged inside the drainage well (1); The disassembly and assembly mechanism (31) comprises a slide rail (311) fixedly connected to the inner wall of the drainage well (1); the bottom end of the slide rail (311) is fixedly connected to a limiting block (312); the outer wall of the conical filter screen (4) is provided with a slide groove (313); the upper part of the conical filter screen (4) is fixedly connected to a fixed block (314); a clamping rod (315) is movably connected inside the fixed block (314); one end of the clamping rod (315) is fixedly connected to a connecting block (316); one side of the connecting block (316) is fixedly connected to a first spring (317); a positioning hole (319) is provided inside the fixed block (314); a positioning bar (318) is fixedly connected to the outer wall of the clamping rod (315); a limiting groove (3110) is provided on one side of the fixed block (314); and a clamping groove (3111) is provided on one side of the slide rail (311).

2. A filter device for urban drainage pipe network according to claim 1, characterized in that: The cleaning mechanism (32) comprises a mounting plate (321) arranged inside the drainage well (1), a motor (322) being fixedly mounted on the bottom of the mounting plate (321), a rotating shaft (323) being fixedly connected to the output end of the motor (322), a mounting plate (324) being fixedly connected to the outer wall of the rotating shaft (323), a first positioning groove (325) being provided on the upper portion of the mounting plate (324), a first positioning block (326) being provided on the upper portion of the first positioning groove (325), a first bolt (327) being provided on the inner wall of the first positioning groove (325), a connecting rod (328) being fixedly connected to the outer side of the first positioning block (326), and a connecting rod (328) being fixedly connected to the outer side of the connecting rod (328). An inner groove (329) is provided, a connecting column (3210) is sleeved inside the inner groove (329), a second spring (3211) is fixedly connected to the inner wall of the inner groove (329), a scraper rod (3212) is fixedly connected to the outer end of the connecting column (3210), a protrusion (3217) is fixedly connected to the inner wall of the conical filter (4), a second positioning groove (3213) is opened on the inner wall of the drainage well (1), a second positioning block (3214) is clamped on the inner wall of the second positioning groove (3213), a second bolt (3215) is threadedly connected to the inner wall of the second positioning groove (3213), and a mounting column (3216) is fixedly connected to the outer side of the second positioning block (3214).

3. A filter device for urban drainage pipe network according to claim 2, characterized in that: The conical filter (4) is slidably connected to the outer wall of the slide rail (311) via the slide groove (313); the clamping rod (315) is clamped to the clamping groove (3111); and the end of the first spring (317) away from the connecting block (316) is fixedly connected to the fixing block (314).

4. A filter device for urban drainage pipe network according to claim 3, characterized in that: The positioning bar (318) is slidably connected in the positioning hole (319), and the positioning bar (318) is adapted to the limiting groove (3110).

5. A filtering device for urban drainage pipe network according to claim 4, characterized in that: The first bolt (327) is threadedly connected to the first positioning block (326), one end of the mounting column (3216) is fixedly connected to the mounting plate (321), and the second bolt (3215) is threadedly connected to the second positioning block (3214).

6. A filtering device for urban drainage pipe network according to claim 5, characterized in that: One end of the second spring (3211) is fixedly connected to the connecting column (3210), and the connecting column (3210) is a rectangular column.

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