CN213390462U

CN213390462U - Ecological garden road drainage device

Info

Publication number: CN213390462U
Application number: CN202022137619.0U
Authority: CN
Inventors: 黄河
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-08
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses an ecological garden road drainage device, be block structure's drain pipe and set up the water storage box on the drain pipe right side including the bottom, establish to the opening at the top of water storage box, the top fixed mounting of water storage box has the apron, and the right side bottom intercommunication of drain pipe is fixed with the outlet pipe that the slope set up, and the bottom of outlet pipe and the left side top of water storage box intercommunication are fixed, the right side bottom fixed mounting of water storage box has first guard box, is equipped with the suction pump of fixed mounting in water storage box right side bottom in the first guard box. The utility model relates to a rationally, be convenient for filter the rainwater that the drain pipe flowed through, be convenient for in time to filter the impurity that filters off and carry out the automation and shake and fall the collection, reduce the risk that blocks up at the in-process filter of drainage, guarantee normal drainage operation, and can shake the impurity that the clearance was collected of falling and take out and clear up, satisfy the user demand, be favorable to using.

Description

Ecological garden road drainage device

Technical Field

The utility model relates to a road drainage equipment technical field especially relates to an ecological garden road drainage device.

Background

Ecological garden inherits and develops traditional gardens' experience, follows the principle of ecology, builds multilayer, multi-structure, multi-functional, scientific plant community, establishes the new order that human, animal, plant are linked, reaches ecological beauty, scientific beauty, culture beauty and art beauty, and the road drainage includes road surface drainage portion and roadside drainage portion, and road surface drainage portion follows supreme being in proper order down: the rainwater collecting device comprises a base layer, a waterproof layer and a permeable layer, wherein a pavement drainage pipe and a water storage tank communicated with the drainage pipe are arranged above the waterproof layer, rainwater on a road enters the water storage tank through the drainage pipe, the water storage tank collects the rainwater, and the collected rainwater is pumped by a water suction pump and can be used for later irrigation operation on gardens;

but can carry some debris in the rainwater often, if directly enter into in the drainage pipe, lead to the phenomenon of drainage pipe jam easily, and then reduce drainage efficiency, in order to reduce the risk that drainage pipe blockked up, can set up the filter screen in the water inlet department of drain pipe mostly, be arranged in the filtration of debris in the rainwater, but it has the shortcoming that in time to shake the collection to debris on the filter screen of being not convenient for in the filter screen in the current drain pipe, debris are piled up on the filter screen for a long time, cause the jam of filter screen easily, still can reduce drainage efficiency, can not satisfy the user demand, therefore we have proposed an ecological garden road drainage device and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an ecological garden road drainage device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an ecological garden road drainage device comprises a drain pipe with a bottom end of a blocking structure and a water storage tank arranged on the right side of the drain pipe, wherein the top of the water storage tank is provided with an opening, a cover plate is fixedly arranged on the top of the water storage tank, the right bottom of the drain pipe is communicated and fixedly provided with a water outlet pipe which is obliquely arranged, the bottom end of the water outlet pipe is communicated and fixedly arranged with the left top of the water storage tank, the right bottom of the water storage tank is fixedly provided with a first protection tank, a water suction pump fixedly arranged at the right bottom of the water storage tank is arranged in the first protection tank, the water inlet end of the water suction pump extends into the water storage tank and is communicated and fixedly provided with a water suction head, a filter tank is movably sleeved in the drain pipe, the top of the filter tank extends to the upper part of the drain pipe, fixed blocks are fixedly arranged at the, a plurality of water inlet holes are formed in the inner wall of the top of the cover plate, a collecting box is movably contacted with the bottom of the filter box, the right side of the collecting box is movably contacted with the inner wall of the right side of the filter box, a first L-shaped fixing plate is fixedly installed on one side of the top of the collecting box, the top of the first L-shaped fixing plate extends to the upper side of the filter box, the first L-shaped fixing plate is fixed on one side of the top of the filter box in a threaded manner, a water guide plate is fixedly installed on the left side of the first L-shaped fixing plate, the front side and the rear side of the water guide plate are respectively movably contacted with the inner wall of the front side and the rear side of the filter box, a second L-shaped fixing plate is fixedly installed on the other side of the top of the filter box, the bottom end of the second L-shaped fixing plate extends into the filter box, an obliquely arranged filter plate is movably sleeved in the filter, two springs are fixedly arranged at the bottom end of the second L-shaped fixed plate and one side of the top of the filter plate, the springs are movably sleeved on the corresponding first positioning rods, one side of the bottom of the filter plate is fixedly provided with a second positioning rod, the collecting box is movably sleeved on the second positioning rod, the left inner wall of the collecting box is provided with a first water outlet hole, the bottom inner wall of the filter box is provided with a second water outlet hole, the bottom inner wall of the filter box is fixedly bonded with an L-shaped filter screen, the right side of the L-shaped filter screen is movably contacted with the left bottom of the collecting box, the L-shaped filter screen is matched with the first water outlet hole, the left inner wall of the filter box is fixedly provided with a second protective box with an opening on the left side, the right end of the right side of the second protective box is fixedly provided with a driving motor, the output shaft of the driving motor extends out, the ball is matched with the eccentric wheel, a storage battery is fixedly mounted on the inner wall of the top of the second protection box, and a wireless remote control switch and a single chip microcomputer are fixedly mounted on the inner wall of the bottom of the second protection box.

Preferably, the water outlet end of the water suction pump is communicated and fixed with an external recovery pipeline.

Preferably, the driving motor and the single chip microcomputer are electrically connected with the storage battery, the single chip microcomputer is electrically connected with the wireless remote control switch and the driving motor, and the wireless remote control switch is provided with an external remote controller in a matching mode.

Preferably, two first rectangular grooves are formed in the bottom end of the second L-shaped fixing plate, and the inner walls of the first rectangular grooves are in sliding connection with the outer sides of the corresponding first positioning rods.

Preferably, a second rectangular groove is formed in one side of the top of the collecting box, and the inner wall of the second rectangular groove is in movable contact with the outer side of the second positioning rod.

Preferably, the bottom fixed mounting of fixed block has the kelly, and the equal fixed mounting in top both sides of drain pipe has the draw-in groove, and the kelly blocks mutually with the draw-in groove that corresponds.

Preferably, the top of fixed block inlays and is equipped with first magnet, and the bottom both sides of apron all inlay and be equipped with the second magnet, and first magnet adsorbs with the second magnet that corresponds mutually.

Preferably, a circular hole is formed in the inner wall of the right side of the second protection box, a sealing bearing is fixedly sleeved in the circular hole, and the inner side of an inner ring of the sealing bearing is fixedly connected with the outer side of an output shaft of the driving motor.

Preferably, thread grooves are formed in two sides of the top of the filter box, T-shaped bolts are sleeved in the thread grooves, and the first L-shaped fixing plate and the second L-shaped fixing plate are respectively sleeved on the corresponding T-shaped bolts in a threaded manner.

Compared with the prior art, the beneficial effects of the utility model are that:

through a water storage tank, a drain pipe, a water outlet pipe, a water suction pump, a filter box, a fixed block, a cover plate, a collecting box, a first L-shaped fixed plate, a water guide plate, a filter plate, a first positioning rod, a second positioning rod, a spring, a second L-shaped fixed plate, a driving motor, an eccentric wheel, an L-shaped filter screen, a second water outlet hole and a singlechip, the singlechip is matched with a second protection box, rainwater on a road enters the filter box through a plurality of water inlet holes and sequentially passes through the filter plate in the filter box, the L-shaped filter screen and the second water outlet hole to enter the drain pipe, the rainwater enters the water storage box through the water outlet pipe, the water guide plate is arranged to guide the flowing rainwater to fall onto the filter plate for filtering, a large amount of filtered impurities are shielded above the filter plate, when the impurities on the filter plate need to be cleaned by shaking, the driving motor is controlled to be started forward through an external remote controller, an output shaft of the driving, the collision force drives the filter plate to vibrate upwards through the balls and compress the springs, the filter plate drives the first locating rod and the second locating rod to move upwards, under the vibration force, the filter plate is matched with the inclined setting of the filter plate, so that impurities at the top of the filter plate gradually drop into the collecting box along the inclined plane of the filter plate, the impurities are gradually separated from the balls when the eccentric wheel rotates for the second half circle, the elastic force of the springs drives the filter plate to move backwards and reset downwards, the eccentric wheel continuously rotates, the filter plate vibrates upwards and downwards circularly to achieve the purpose of automatically shaking and collecting the impurities on the filter plate, when the impurities collected in the collecting box need to be taken out and cleaned, the cover plate is pulled upwards to drive the two second magnets to be separated upwards from the two first magnets, the two T-shaped bolts are rotated forwards to be respectively moved out from the corresponding thread grooves, and then the second L-shaped fixing plate is pulled upwards to drive the, the first L-shaped fixing plate is pulled upwards to drive the collecting box to move out of the filter box, and then impurities in the collecting box can be poured out and cleaned.

The utility model relates to a rationally, be convenient for filter the rainwater that the drain pipe flowed through, be convenient for in time to filter the impurity that filters off and carry out the automation and shake and fall the collection, reduce the risk that blocks up at the in-process filter of drainage, guarantee normal drainage operation, and can shake the impurity that the clearance was collected of falling and take out and clear up, satisfy the user demand, be favorable to using.

Drawings

Fig. 1 is a schematic sectional structure view of an ecological garden road drainage device provided by the utility model;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the water storage tank comprises a water storage tank 1, a water discharge pipe 2, a water outlet pipe 3, a water suction pump 4, a filter box 5, a fixing block 6, a cover plate 7, a collecting tank 8, a first L-shaped fixing plate 9, a water guide plate 10, a filter plate 11, a first positioning rod 12, a second positioning rod 13, a spring 14, a second L-shaped fixing plate 15, a driving motor 16, an eccentric wheel 17, an L-shaped filter screen 18, a second water outlet 19, a single chip microcomputer 20 and a second protection box 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an ecological garden road drainage device comprises a drain pipe 2 with a bottom end of a blocking structure and a water storage tank 1 arranged on the right side of the drain pipe 2, the top of the water storage tank 1 is provided with an opening, a cover plate is fixedly arranged on the top of the water storage tank 1, the right bottom of the drain pipe 2 is communicated and fixed with an obliquely arranged water outlet pipe 3, the bottom end of the water outlet pipe 3 is communicated and fixed with the left top of the water storage tank 1, a first protection tank is fixedly arranged on the right bottom of the water storage tank 1, a water suction pump 4 fixedly arranged on the right bottom of the water storage tank 1 is arranged in the first protection tank, the water inlet end of the water suction pump 4 extends into the water storage tank 1 and is communicated and fixed with a water suction head, a filter tank 5 is movably sleeved in the drain pipe 2, the top of the filter tank 5 extends to the upper part of the drain pipe 2, the top parts of the two fixing blocks 6 are fixed with a same cover plate 7 in a magnetic attraction manner, the inner wall of the top part of the cover plate 7 is provided with a plurality of water inlet holes, the bottom part of the filter box 5 is movably contacted with a collecting box 8, the right side of the collecting box 8 is movably contacted with the inner wall of the right side of the filter box 5, one side of the top part of the collecting box 8 is fixedly provided with a first L-shaped fixing plate 9, the top part of the first L-shaped fixing plate 9 extends to the upper part of the filter box 5, the first L-shaped fixing plate 9 is fixed on one side of the top part of the filter box 5 in a threaded manner, the left side of the first L-shaped fixing plate 9 is fixedly provided with a water guide plate 10, the front side and the rear side of the water guide plate 10 are respectively movably contacted with the inner wall and the rear side of the filter box 5, the other side of the top part of the filter box 5, the filter plate 11 is positioned above the collecting box 8, two first locating rods 12 are fixedly arranged on one side of the top of the filter plate 11, a second L-shaped fixing plate 15 is slidably sleeved on the two first locating rods 12, two springs 14 are fixedly arranged at the bottom end of the second L-shaped fixing plate 15 and one side of the top of the filter plate 11, the springs 14 are movably sleeved on the corresponding first locating rods 12, a second locating rod 13 is fixedly arranged on one side of the bottom of the filter plate 11, the collecting box 8 is movably sleeved on the second locating rod 13, a first water outlet hole is formed in the inner wall of the left side of the collecting box 8, a second water outlet hole 19 is formed in the inner wall of the bottom of the filter box 5, an L-shaped filter screen 18 is fixedly bonded on the inner wall of the bottom of the filter box 5, the right side of the L-shaped filter screen 18 is movably contacted with the bottom of the left side of the collecting box 8, the L-shaped filter screen, fixed mounting has driving motor 16 on the right side inner wall of second guard box 21, and driving motor 16's output shaft right-hand member extends to outside the second guard box 21 and fixed mounting has eccentric wheel 17, and eccentric wheel 17's top is equipped with the activity and inlays the ball of dress in filter 11 bottom, and the ball cooperatees with eccentric wheel 17, and fixed mounting has the battery on the top inner wall of second guard box 21, and fixed mounting has wireless remote control switch and singlechip 20 on the bottom inner wall of second guard box 21, the utility model relates to a rationally, be convenient for filter the rainwater of 2 flows through the drain pipe, be convenient for in time carry out the automatic collection that shakes to filter 11 filtration off impurity, reduce the risk that filter 11 blockked up at the in-process of drainage, guarantee normal drainage operation, and can take out the impurity of shaking the clearance collection and clear up, satisfy the user demand, be favorable to the.

In the utility model, the water outlet end of the water pump 4 is communicated and fixed with the external recycling pipeline, the driving motor 16 and the single chip microcomputer 20 are electrically connected with the storage battery, the single chip microcomputer 20 is electrically connected with the wireless remote control switch and the driving motor 16, the wireless remote control switch is provided with an external remote controller in a matching way, the bottom end of the second L-shaped fixing plate 15 is provided with two first rectangular grooves, the inner wall of each first rectangular groove is in sliding connection with the outer side of the corresponding first positioning rod 12, one side of the top part of the collecting box 8 is provided with a second rectangular groove, the inner wall of each second rectangular groove is in movable contact with the outer side of the corresponding second positioning rod 13, the bottom part of the fixing block 6 is fixedly provided with a clamping rod, the two sides of the top part of the drain pipe 2 are fixedly provided with clamping grooves, the clamping rod is clamped with the corresponding clamping grooves, the top part of the fixing block 6 is embedded with a first magnet, the two, the circular port has been seted up on the right side inner wall of second guard box 21, circular downthehole fixed cover is equipped with sealed bearing, sealed bearing's the inboard output shaft outside fixed connection with driving motor 16 of inner circle, the thread groove has all been seted up to the top both sides of rose box 5, thread groove internal thread cover is equipped with T shape bolt, and first L shape fixed plate 9 and second L shape fixed plate 15 are threaded sleeve respectively and are established on corresponding T shape bolt, the utility model relates to a rationally, be convenient for filter the rainwater of flowing through to drain pipe 2, be convenient for in time to filter 11 and cross the impurity that filters and carry out the automatic collection that shakes, reduce the risk that filter 11 blockked up at the in-process of drainage, guarantee normal drainage operation, and can take out the impurity of shaking the clearance collection and clear up, satisfy the user demand, be favorable.

The working principle is as follows: when the rainwater collecting device is used, rainwater on a road enters the filter box 5 through the plurality of water inlet holes, the rainwater sequentially penetrates the filter plate 11 and the L-shaped filter screen 18 in the filter box 5 and enters the drain pipe 2 through the second water outlet hole 19, the rainwater in the drain pipe 2 enters the water storage box 1 through the water outlet pipe 3, the water storage box 1 collects the rainwater, and the water guide plate 10 can guide the flowing rainwater to fall onto the filter plate 11 for filtering;

the filtering plate 11 filters rainwater flowing through for the first time, a large amount of filtered impurities are shielded above the filtering plate 11, long-time filtering is carried out, the filtering plate 11 is easy to block, when the impurities on the filtering plate 11 need to be shaken off and cleaned, the wireless remote control switch is controlled to be started positively through an external remote controller, the wireless remote control switch controls the driving motor 16 to be started positively through the single chip microcomputer 20, the output shaft of the driving motor 16 drives the eccentric wheel 17 to rotate, the eccentric wheel 17 collides with the balls gradually during the first half turn of rotation, the colliding force drives the balls to roll outside the eccentric wheel 17, the balls drive the filtering plate 11 to vibrate upwards, the filtering plate 11 drives the first positioning rod 12 and the second positioning rod 13 to move upwards, the spring 14 is compressed while the filtering plate 11 moves upwards, meanwhile, under the vibration force, the inclined setting of the filtering plate 11 is matched, so that the impurities on the top of the filtering plate 11 gradually fall into the collecting box, the collecting box 8 collects the fallen impurities, when the eccentric wheel 17 rotates for the second half circle, the impurities are gradually separated from the balls, the elastic force of the spring 14 in a compression state drives the filter plate 11 to move back and reset downwards, the eccentric wheel 17 continuously rotates, the filter plate 11 is vibrated up and down circularly under the action of the eccentric wheel 17, the purpose of automatically shaking the impurities on the filter plate 11 down is achieved in the process of circularly vibrating the filter plate 11, and meanwhile, rainwater mixed in the impurities flows out through the first water outlet hole in the collecting box 8;

when the impurities collected in the collecting box 8 need to be taken out and cleaned, the cover plate 7 is pulled upwards, the cover plate 7 drives the two second magnets to be separated upwards from the two first magnets, then the two T-shaped bolts are rotated forwards, the T-shaped bolts gradually move out of the corresponding thread grooves while rotating, further the fixation of the first L-shaped fixing plate 9 and the second L-shaped fixing plate 15 is removed, then the second L-shaped fixing plate 15 is pulled upwards, the second fixing rod 15 drives the filter plate 11 to move upwards through the spring 14, the filter plate 11 drives the second positioning rod 13 to move out of the second rectangular groove, at the moment, the filter plate 11 can be taken out of the filter box 5, then the first L-shaped fixing plate 9 is pulled upwards, the collecting box 8 is driven to move upwards out of the filter box 5 through the first L-shaped fixing plate 9, at the moment, the impurities in the collecting box 8 can be poured out and cleaned, so that the impurities on the filter plate 11 can be cleaned and collected in a shake way, and can take out the impurity of shaking off the clearance collection and clear up.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an ecological garden road drainage device, includes that the bottom is drainage pipe (2) of block structure and water storage box (1) of setting on drainage pipe (2) right side, the top of water storage box (1) is established to the opening, and the top fixed mounting of water storage box (1) has the apron, and the right side bottom of drainage pipe (2) communicates and is fixed with outlet pipe (3) that the slope set up, and the bottom of outlet pipe (3) communicates and fixes with the left side top of water storage box (1), its characterized in that, the right side bottom fixed mounting of water storage box (1) has first guard box, is equipped with fixed mounting in the first guard box at the suction pump (4) of water storage box (1) right side bottom, and the end of intaking of suction pump (4) extends to in water storage box (1) and communicates and is fixed with the water absorption head, drainage pipe (2) internalization cover is equipped with rose box (5), and the top of rose box (5) extends to, the top parts of two sides of the filter box (5) are fixedly provided with fixing blocks (6), the fixing blocks (6) are movably inserted with the top end of the drain pipe (2), the top parts of the two fixing blocks (6) are fixed with a same cover plate (7) in a magnetic attraction manner, the inner wall of the top part of the cover plate (7) is provided with a plurality of water inlet holes, the bottom part of the filter box (5) is movably contacted with a collecting box (8), the right side of the collecting box (8) is movably contacted with the inner wall of the right side of the filter box (5), one side of the top part of the collecting box (8) is fixedly provided with a first L-shaped fixing plate (9), the top part of the first L-shaped fixing plate (9) extends to the upper part of the filter box (5), the first L-shaped fixing plate (9) is fixed on one side of the top part of the filter box (5) through threads, the left side of the first L-shaped fixing plate (9) is fixedly provided with a water, a second L-shaped fixing plate (15) is fixedly arranged on the other side of the top of the filter box (5), the bottom end of the second L-shaped fixing plate (15) extends into the filter box (5), a filter plate (11) which is obliquely arranged is movably sleeved in the filter box (5), the filter plate (11) is positioned above the collecting box (8), two first positioning rods (12) are fixedly arranged on one side of the top of the filter plate (11), the second L-shaped fixing plate (15) is slidably sleeved on the two first positioning rods (12), two springs (14) are fixedly arranged on the bottom end of the second L-shaped fixing plate (15) and one side of the top of the filter plate (11), the springs (14) are movably sleeved on the corresponding first positioning rods (12), a second positioning rod (13) is fixedly arranged on one side of the bottom of the filter plate (11), the collecting box (8) is movably sleeved on the second positioning rod (13), a first water outlet hole is formed in the inner wall of the left side, a second water outlet hole (19) is formed in the inner wall of the bottom of the filter box (5), an L-shaped filter screen (18) is fixedly bonded to the inner wall of the bottom of the filter box (5), the right side of the L-shaped filter screen (18) is in movable contact with the bottom of the left side of the collecting box (8), the L-shaped filter screen (18) is matched with the first water outlet hole, a second protection box (21) with an opening on the left side is fixedly installed on the inner wall of the left side of the filter box (5), a driving motor (16) is fixedly installed on the inner wall of the right side of the second protection box (21), the right end of an output shaft of the driving motor (16) extends out of the second protection box (21) and is fixedly provided with an eccentric wheel (17), balls which are movably embedded at the bottom of the filter plate (11) are arranged above the eccentric wheel (17) and are matched with the eccentric wheel (, the inner wall of the bottom of the second protective box (21) is fixedly provided with a wireless remote control switch and a singlechip (20).

2. The ecological garden road drainage device as claimed in claim 1, wherein the water outlet end of the water pump (4) is communicated with and fixed to an external recycling pipeline.

3. The ecological garden road drainage device as claimed in claim 1, wherein the driving motor (16) and the single chip microcomputer (20) are electrically connected with the storage battery, the single chip microcomputer (20) is electrically connected with the wireless remote control switch and the driving motor (16), and the wireless remote control switch is provided with an external remote controller in a matching manner.

4. The ecological garden road drainage device as claimed in claim 1, wherein the bottom end of the second L-shaped fixing plate (15) is provided with two first rectangular grooves, and the inner walls of the first rectangular grooves are slidably connected with the outer sides of the corresponding first positioning rods (12).

5. The ecological garden road drainage device as claimed in claim 1, wherein one side of the top of the collection box (8) is provided with a second rectangular groove, and the inner wall of the second rectangular groove is movably contacted with the outer side of the second positioning rod (13).

6. The ecological garden road drainage device according to claim 1, wherein a clamping rod is fixedly mounted at the bottom of the fixing block (6), clamping grooves are fixedly mounted at both sides of the top of the drainage pipe (2), and the clamping rod and the corresponding clamping groove are clamped.

7. The ecological garden road drainage device as claimed in claim 1, wherein the top of the fixing block (6) is embedded with a first magnet, the two sides of the bottom of the cover plate (7) are embedded with a second magnet, and the first magnet is attracted to the corresponding second magnet.

8. The ecological garden road drainage device as claimed in claim 1, wherein a circular hole is formed in the inner wall of the right side of the second protection box (21), a sealing bearing is fixedly sleeved in the circular hole, and the inner side of an inner ring of the sealing bearing is fixedly connected with the outer side of an output shaft of the driving motor (16).

9. The ecological garden road drainage device according to claim 1, wherein threaded grooves are formed in both sides of the top of the filter box (5), T-shaped bolts are sleeved in the threaded grooves, and the first L-shaped fixing plate (9) and the second L-shaped fixing plate (15) are respectively sleeved on the corresponding T-shaped bolts in a threaded manner.