CN116182230B

CN116182230B - Anti-blocking drainage device for building heating ventilation

Info

Publication number: CN116182230B
Application number: CN202310194148.2A
Authority: CN
Inventors: 王军蕾
Original assignee: Zhejiang Haizhi Construction Co ltd
Current assignee: Zhejiang Haizhi Construction Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-11-24
Anticipated expiration: 2043-03-03
Also published as: CN116182230A

Abstract

The utility model discloses an anti-blocking drainage device for building heating and ventilation, and relates to the technical field of heating and ventilation pipelines. Including support frame and protecting crust, the support frame is connected with the backup pad, the backup pad is connected with the motor, the protecting crust intercommunication has the inlet tube, the protecting crust is connected with the cartridge filter, the filtration pore has been seted up to cartridge filter periphery, the cartridge filter is connected with the collecting box, the cartridge filter cover is equipped with the header tank, header tank and support frame fixed connection, the header tank intercommunication has the outlet pipe, be equipped with first crushing mechanism and second crushing mechanism in the protecting crust, first crushing mechanism is connected through first coupling mechanism with second crushing mechanism, be equipped with opening and closing mechanism in the collecting box, be equipped with actuating mechanism in the support frame, be equipped with filtering mechanism between cartridge filter and the actuating mechanism, be equipped with second coupling mechanism between actuating mechanism and the motor. The utility model can crush the impurities in the wastewater for multiple times and automatically clean the crushed impurities, thereby improving the working efficiency.

Description

Anti-blocking drainage device for building heating ventilation

Technical Field

The utility model relates to the technical field of heating and ventilation pipelines, in particular to an anti-blocking drainage device for building heating and ventilation.

Background

The drainage means a device facility for discharging and treating water to be transported. In the drainage device for building heating and ventilation, the drainage channel is often blocked due to impurity chips in the waste water, and an anti-blocking device is required to be arranged.

The Chinese patent application with the bulletin number of CN211952979U discloses a building heating and ventilation anti-blocking drainage device, which comprises a treatment frame, wherein a water inlet is arranged on the left side of the treatment frame, a water outlet is arranged on the right side of the treatment frame, a water inlet pipe is sleeved at the water inlet, a water drain pipe is sleeved at the water outlet, and a power device is arranged above the treatment frame. The whole is formed by a treatment frame, a water inlet and a water outlet, and the whole is respectively connected with a water inlet pipe and a water outlet pipe, and as the power device and the stirring device are arranged above the treatment frame, the stirring device and the treatment frame are installed by utilizing bolts, the power device drives the stirring device to work, the inside of the frame is stirred, the accumulation of sundries in water is reduced, the sundries are crushed, and the frequent disassembly is not required.

But the device can not smash impurity completely when stirring, and on the impurity still can cumulate the filter screen, can't clear up voluntarily and lead to blockking up damage equipment, still need artifical clearance filter screen, work efficiency is low.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the anti-blocking drainage device for building heating ventilation can crush for multiple times and can automatically clean impurities.

Aiming at the technical problems, the utility model adopts the following technical scheme: the utility model provides a prevent blocking drainage device for building heating is led to, includes support frame and protecting crust, support frame fixedly connected with backup pad, backup pad fixedly connected with motor, the protecting crust intercommunication has the inlet tube, protecting crust fixedly connected with cartridge filter, the filtration pore has been seted up to cartridge filter week side, cartridge filter fixedly connected with collecting box, the cartridge filter cover is equipped with the header tank, the header tank with support frame fixed connection, the header tank intercommunication has the outlet pipe, be equipped with first crushing mechanism and second crushing mechanism in the protecting crust, first crushing mechanism with second crushing mechanism passes through first coupling mechanism and connects, be equipped with opening and closing mechanism in the collecting box, be equipped with actuating mechanism in the support frame, the cartridge filter with be equipped with filter mechanism between the actuating mechanism, actuating mechanism with be equipped with second coupling mechanism between the motor.

Further, the first crushing mechanism comprises a first crushing blade and a second crushing blade, and the first crushing blade and the second crushing blade are both in rotary connection with the protective shell.

Further, the second crushing mechanism comprises a rotating shaft, the rotating shaft is inserted and arranged between the filter cartridge and the filter cartridge, the two supports are fixedly connected with the water collecting tank, the rotating shaft is inserted and arranged between the supports and is in rotating connection, two ends of the rotating shaft are fixedly connected with turntables, the turntables are fixedly connected with deflector rods, the deflector rods are not overlapped with the axes of the turntables, the supports are rotationally connected with first rotating rods, the first rotating rods are hinged with connecting rods, the connecting rod sleeves are provided with second rotating rods and are in rotating connection between the second rotating rods, the second rotating rods are hinged with sliding rods, the sliding rods are inserted and arranged between the filter cartridge and the filter cartridge, the sliding rods are fixedly connected with crushing blocks, the first rotating rods are fixedly connected with connecting plates, the connecting plates are provided with guide grooves, and the deflector rods slide in the guide grooves.

Further, the first coupling mechanism includes first gear and second gear, motor output shaft fixedly connected with bull stick, the bull stick with the protecting crust rotates to be connected, first gear with second gear engagement, first gear cover is located the bull stick and fixed connection between the two, the bull stick with first garrulous blade is connected through first belt, the second gear with second garrulous blade fixed connection, the bull stick with the pivot is connected through the second belt.

Further, the opening and closing mechanism comprises a first push rod and a second push rod, the first push rod and the second push rod are both inserted into the collecting box, the first push rod and the second push rod are connected through a handle, the first push rod is fixedly connected with a first baffle, the first baffle is inserted into the collecting box and is connected with the collecting box in a sliding mode, the bottom of the collecting box is hinged to a second baffle, and the second baffle is fixedly connected with the second push rod.

Further, the actuating mechanism includes third gear and rack, third gear engagement has two fourth gears, fourth gear is inserted and is equipped with first loop bar and fixed connection between the two, first loop bar with the support frame rotates to be connected, first loop bar cover is equipped with incomplete gear and fixed connection between the two, the rack with incomplete gear engagement, rack fixedly connected with link, the link is inserted and is located collection box and sliding connection between the two.

Further, filtering mechanism includes the lead screw, the lead screw with cartridge filter fixed connection, the link is connected with first scraper blade through the bearing, first scraper blade cover is located sliding connection between lead screw and the two, first scraper blade inserts and locates cartridge filter and sliding connection between the two, first scraper blade laminating is provided with the second scraper blade, the second scraper blade cover is located threaded connection between lead screw and the two, the filter tank has been seted up to first scraper blade.

Further, the second connecting mechanism comprises a second loop bar, the second loop bar is inserted into the third gear and fixedly connected with the third gear, and the motor output shaft is connected with the second loop bar through a third belt.

Compared with the prior art, the utility model has the beneficial effects that: (1) According to the utility model, the first gear, the second gear, the first crushing blade and the second crushing blade are arranged, and large granular substances in wastewater can be crushed at one stage through rotation of the first crushing blade and the second crushing blade, so that blockage is avoided, subsequent crushing is convenient, and the device is flexible and convenient.

(2) According to the utility model, the rotating shaft, the support, the turntable, the deflector rod, the first rotating rod, the connecting rod, the second rotating rod, the sliding rod and the broken blocks are arranged, the broken blocks are driven to move through the reciprocating motion of the sliding rod, and the broken blocks are utilized to crush the substances after primary crushing again, so that the blockage is avoided, and the working efficiency is improved.

(3) According to the utility model, the connecting frame, the first scraping plate, the second scraping plate, the screw rod, the first pushing rod, the second pushing rod, the handle, the first baffle and the second baffle are arranged, impurities attached to the inside of the filter cartridge can be cleaned in the collecting box through the first scraping plate and the second scraping plate, impurities in the collecting box can be cleaned out through the first baffle and the second baffle, manual and repeated cleaning is not needed, the labor intensity of operators is reduced, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of an anti-clogging drainage device for building heating ventilation according to the present utility model.

Fig. 2 is a schematic view of the second view structure of fig. 1.

Fig. 3 is a schematic diagram of the internal structure of fig. 2.

Fig. 4 is a schematic view of the connection structure of the first pulverizing mechanism and the first connecting mechanism.

Fig. 5 is a schematic view of a second comminution mechanism.

Fig. 6 is a schematic view of an opening and closing mechanism.

Fig. 7 is a schematic view of the second view structure of fig. 6.

Fig. 8 is a schematic view of a drive mechanism.

Fig. 9 is a schematic diagram of a filtration mechanism.

Fig. 10 is a schematic view of a second attachment mechanism.

Fig. 11 is a schematic view of the connection structure of the protective shell, the filter cartridge and the water collection tank.

Fig. 12 is a schematic view of a protective housing, filter cartridge connection configuration.

Fig. 13 is a schematic diagram of the connection structure of the water collection tank and the water outlet pipe.

Reference numerals: 1. a support frame; 2. a first pulverizing mechanism; 21. a first shredding blade; 22. a second shredding blade; 3. a second pulverizing mechanism; 301. a rotating shaft; 302. a bracket; 303. a turntable; 304. a deflector rod; 305. a first rotating lever; 306. a connecting rod; 307. a second rotating lever; 308. a slide bar; 309. breaking fragments; 310. a connecting plate; 311. a guide groove; 4. a first connection mechanism; 41. a first gear; 42. a second gear; 43. a rotating rod; 44. a first belt; 45. a second belt; 5. an opening and closing mechanism; 51. a first push rod; 52. a second push rod; 53. a handle; 54. a first baffle; 55. a second baffle; 6. a driving mechanism; 61. a third gear; 62. a rack; 63. a fourth gear; 64. a first loop bar; 65. an incomplete gear; 66. a connecting frame; 7. a filtering mechanism; 71. a screw rod; 72. a first scraper; 73. a second scraper; 74. a filter tank; 8. a second connection mechanism; 81. a second loop bar; 82. a third belt; 9. a protective shell; 10. a support plate; 11. a motor; 12. a water inlet pipe; 13. a filter cartridge; 14. a filter hole; 15. a collection box; 16. a water collection tank; 17. and a water outlet pipe.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Examples: as shown in fig. 1 to 13, the anti-blocking drainage device for building heating and ventilation provided by the embodiment is formed by connecting a support frame 1, a protective shell 9, a support plate 10, a motor 11, a water inlet pipe 12, a filter cartridge 13, a filter hole 14, a collecting box 15, a water collecting tank 16, a water outlet pipe 17, a first crushing mechanism 2, a second crushing mechanism 3, a first connecting mechanism 4, an opening and closing mechanism 5, a driving mechanism 6, a filter mechanism 7 and a second connecting mechanism 8.

As shown in fig. 1 and fig. 2, an anti-blocking drainage device for building heating ventilation comprises a support frame 1 and a protective shell 9, wherein the support frame 1 is fixedly connected with a support plate 10, the support plate 10 is fixedly connected with a motor 11, the support plate 10 supports the motor 11, the protective shell 9 is communicated with a water inlet pipe 12, waste water enters the protective shell 9 through the water inlet pipe 12, as shown in fig. 11, fig. 12 and fig. 13, the protective shell 9 is fixedly connected with a filter cylinder 13, the periphery of the filter cylinder 13 is provided with a filter hole 14, the filter cylinder 13 is fixedly connected with a collecting box 15, the filter cylinder 13 is sleeved with a water collecting box 16, waste water in the filter cylinder 13 enters the water collecting box 16 through the filter hole 14, the water collecting box 16 is fixedly connected with the support frame 1, the water collecting box 16 is communicated with a water outlet pipe 17, the waste water in the water collecting box 16 is discharged to a designated position through the water outlet pipe 17, as shown in fig. 3 and fig. 4, the protective shell 9 is internally provided with a first crushing mechanism 2 and a second crushing mechanism 3, the first crushing mechanism 2 performs primary crushing, the second crushing mechanism 3 performs secondary crushing, the whole device can be prevented from being blocked by the impurities in the wastewater through repeated crushing, the working efficiency is improved, the first crushing mechanism 2 and the second crushing mechanism 3 are connected through the first connecting mechanism 4, as shown in fig. 5 and 6, the collecting box 15 is internally provided with the opening and closing mechanism 5, the arranged opening and closing mechanism 5 can discharge the crushed impurities in the wastewater from the device without repeated manual cleaning by workers, the manual cleaning is flexible and convenient, as shown in fig. 7, the driving mechanism 6 is arranged in the supporting frame 1, the filtering mechanism 7 is arranged between the filtering barrel 13 and the driving mechanism 6, the impurities attached to the inner side wall of the filtering barrel 13 can be removed by the arranged filtering mechanism 7, the repeated manual cleaning by workers is not needed, the working efficiency is improved, and as shown in fig. 9, a second connecting mechanism 8 is arranged between the driving mechanism 6 and the motor 11.

As shown in fig. 3 and 4, the first crushing mechanism 2 includes a first crushing blade 21 and a second crushing blade 22, the first crushing blade 21 and the second crushing blade 22 are both rotationally connected with the protective housing 9, and the rotation directions of the first crushing blade 21 and the second crushing blade 22 are opposite, so that impurities in the wastewater can be primarily crushed.

As shown in fig. 5, the second crushing mechanism 3 includes a rotating shaft 301, the rotating shaft 301 is inserted in the filter cartridge 13 and is rotationally connected between the two, the water collection tank 16 is fixedly connected with two brackets 302, the rotating shaft 301 is inserted in the brackets 302 and is rotationally connected between the two brackets, two ends of the rotating shaft 301 are fixedly connected with a rotary table 303, the rotary table 303 is fixedly connected with a deflector rod 304, the axis of the deflector rod 304 is not coincident with that of the rotary table 303, the brackets 302 are rotationally connected with a first rotating rod 305, the first rotating rod 305 is hinged with a connecting rod 306, the connecting rod 306 is sleeved with a second rotating rod 307 and is rotationally connected between the two, the second rotating rod 307 is hinged with a sliding rod 308, the sliding rod 308 is inserted in the filter cartridge 13 and is slidingly connected between the two, the sliding rod 308 is fixedly connected with a crushing block 309, an inclined plane is formed on the upper surface of the crushing block 309, the aim is to facilitate impurities after first crushing in the protective casing 9 to drop into the filter cartridge 13, the first rotating rod is fixedly connected with a connecting plate 310, the connecting plate 310 is provided with a guide groove 311, and the deflector rod 304 slides in the guide groove 311.

As shown in fig. 3 and 4, the first connecting mechanism 4 includes a first gear 41 and a second gear 42, the output shaft of the motor 11 is fixedly connected with a rotating rod 43, the rotating rod 43 is rotationally connected with the protective shell 9, the first gear 41 is meshed with the second gear 42, the first gear 41 is sleeved on the rotating rod 43 and fixedly connected with the rotating rod 43, the rotating rod 43 is connected with the first stirring blade 21 through a first belt 44, the second gear 42 is fixedly connected with the second stirring blade 22, the rotating rod 43 is connected with the rotating shaft 301 through a second belt 45, specifically, the rotating rod 43 and the rotating shaft 301 are sleeved with belt wheels, the second belt 45 is meshed with the belt wheels, and the belt wheels are not marked in the figure.

As shown in fig. 6 and 7, the opening and closing mechanism 5 includes a first push rod 51 and a second push rod 52, the first push rod 51 and the second push rod 52 are both inserted into the collecting box 15, the first push rod 51 and the second push rod 52 can slide in the collecting box 15, the first push rod 51 and the second push rod 52 are connected through a handle 53, the handle 53 is used for controlling the movement of the first push rod 51 and the second push rod 52, the provided handle 53 is convenient for a worker to operate, the first push rod 51 is fixedly connected with a first baffle 54, the first baffle 54 is inserted into the collecting box 15 and is in sliding connection with the collecting box 15, the bottom of the collecting box 15 is hinged with a second baffle 55, the second baffle 55 is fixedly connected with the second push rod 52, specifically, the upper end and the lower end of the collecting box 15 are both semicircular openings, the first baffle 54 and the second baffle 55 are both semicircular, the opening and closing of the semicircular openings of the upper end of the collecting box 15 can be controlled by the first baffle 54, and the opening and closing of the semicircular opening of the lower end of the collecting box 15 can be controlled by the second baffle 55.

As shown in fig. 8, the driving mechanism 6 includes a third gear 61 and a rack 62, the third gear 61 is meshed with two fourth gears 63, the fourth gears 63 are inserted with a first loop bar 64 and fixedly connected with each other, the first loop bar 64 is rotationally connected with the support frame 1, the first loop bar 64 is sleeved with an incomplete gear 65 and fixedly connected with each other, the rack 62 is meshed with the incomplete gear 65, by arranging the third gear 61, the fourth gear 63 and the incomplete gear 65, the purpose is that under the condition that the third gear 61 always rotates around one direction, the up-and-down reciprocating motion of the rack 62 can be realized, and then the reciprocating linear motion of the connecting frame 66 is realized, when one of the incomplete gears 65 is meshed with the rack 62, the other incomplete gear 65 is disengaged with the rack 62, the reciprocating linear motion of the connecting frame 66 in the vertical direction can be realized without controlling the rotation direction of the third gear 61, the work efficiency is improved, the rack 62 is fixedly connected with the connecting frame 66 is inserted into the collecting box 15, and the sliding connection between the two is realized.

As shown in fig. 9, the filtering mechanism 7 includes a screw rod 71, the screw rod 71 is fixedly connected with the filter cartridge 13, the filter cartridge 13 supports the screw rod 71, the screw rod 71 is located inside the filter cartridge 13, the connecting frame 66 is connected with a first scraper 72 through a bearing, the first scraper 72 is sleeved on the screw rod 71 and is in sliding connection with the screw rod 71, the purpose of the bearing is to ensure that the first scraper 72 moves along with the connecting frame 66 and only moves linearly in the vertical direction without rotating, the first scraper 72 is inserted in the filter cartridge 13 and is in sliding connection with the filter cartridge 13, the first scraper 72 is attached with a second scraper 73, the second scraper 73 is sleeved on the screw rod 71 and is in threaded connection with the screw rod 73, the second scraper 73 rotates along with the movement of the first scraper 72 while moving linearly on the screw rod 71, the first scraper 72 is provided with a filter tank 74, and impurities on the first scraper 72 drop into the collecting box 15 from the filter tank 74 while the second scraper 73 rotates.

As shown in fig. 10, the second connection mechanism 8 includes a second sleeve rod 81, the second sleeve rod 81 is inserted into the third gear 61 and is fixedly connected with the second sleeve rod 81, an output shaft of the motor 11 is connected with the second sleeve rod 81 through a third belt 82, specifically, pulleys are sleeved on the output shaft of the motor 11 and the second sleeve rod 81, the pulleys are meshed with the third belt 82, and the pulleys are not labeled in the illustration.

The working principle disclosed by the utility model is as follows: (1) The waste water enters the protective shell 9 through the water inlet pipe 12, the motor 11 is started, the output shaft of the motor 11 drives the rotating rod 43 to rotate, the rotating rod 43 drives the first gear 41 to rotate, the first gear 41 drives the second gear 42 to rotate, the first gear 41 drives the first crushing blade 21 to rotate through the first belt 44, the second gear 42 drives the second crushing blade 22 to rotate, the rotation directions of the first crushing blade 21 and the second crushing blade 22 are opposite, and impurities in the waste water are crushed for the first time through the rotation of the first crushing blade 21 and the second crushing blade 22.

(2) The rotating rod 43 rotates and simultaneously drives the rotating shaft 301 to rotate through the second belt 45, the rotating shaft 301 drives the rotating disc 303 to rotate, the rotating disc 303 drives the deflector rod 304 to rotate, the deflector rod 304 slides in the guide groove 311, the deflector rod 304 can drive the connecting plate 310 to move while sliding in the guide groove 311, the connecting plate 310 drives the first rotating rod 305 to move, the first rotating rod 305 drives the connecting rod 306 to move, the connecting rod 306 drives the second rotating rod 307 to move, the second rotating rod 307 drives the sliding rod 308 to move, the sliding rod 308 slides in the filter cartridge 13, the sliding rod 308 drives the broken pieces 309 to move, the two broken pieces 309 are in the process of approaching each other, the impurities after the first break are crushed for the second time, the impurities after the second break fall into the filter cartridge 13 and are positioned on the first scraper 72, waste water in the filter cartridge 13 enters the water collecting tank 16 through the filtering hole 14 and is discharged to a designated position through the water outlet pipe 17.

(3) The output shaft of the motor 11 rotates and simultaneously drives the second sleeve rod 81 to rotate through the third belt 82, the second sleeve rod 81 drives the third gear 61 to rotate, the third gear 61 drives the two fourth gears 63 to rotate, the rotation directions of the two fourth gears 63 are opposite, the fourth gears 63 drive the corresponding incomplete gears 65 to rotate, the incomplete gears 65 drive the racks 62 to move, the two incomplete gears 65 cannot simultaneously mesh with the racks 62, when one of the incomplete gears 65 meshes with the racks 62, the other incomplete gear 65 does not mesh with the racks 62, the racks 62 can do linear reciprocating motion in the vertical direction along with the meshing of the two incomplete gears 65 and the racks 62, the racks 62 drive the first scraping plate 72 to move, the first scraping plate 72 moves against the inner side wall of the filter cartridge 13 to scrape the attachments on the inner side wall of the filter cartridge 13, the first scraping plate 72 can drive the second scraping plate 73 to move in the moving process, the second scraping plate 73 moves along with the first scraping plate 72 in the vertical direction, the second scraping plate 73 can also rotate along with the movement of the first scraping plate 72, and along with the rotation of the second scraping plate 73, the impurities on the first scraping plate 72 can drop into the filter tank 74 through the filter tank 15 along with the rotation of the second scraping plate 73.

(4) The staff controls the first push rod 51 and the second push rod 52 to move through the handle 53, the first push rod 51 drives the first baffle 54 to move, the first baffle 54 seals the opening at the upper end of the collecting box 15, impurities in the filter cartridge 13 are prevented from continuously flowing into the collecting box 15, the second push rod 52 drives the second baffle 55 to move, the second baffle 55 opens the opening at the bottom end of the collecting box 15, and the impurities in the collecting box 15 drop to a designated position through the opening at the bottom of the collecting box 15.

The present utility model is not limited to the above-described embodiments, and various modifications are possible within the scope of the present utility model without inventive labor, as those skilled in the art will recognize from the above-described concepts.

Claims

1. A prevent blockking up drainage device for building warms up, its characterized in that: the novel filter comprises a support frame (1) and a protective shell (9), wherein the support frame (1) is fixedly connected with a support plate (10), the support plate (10) is fixedly connected with a motor (11), the protective shell (9) is communicated with a water inlet pipe (12), the protective shell (9) is fixedly connected with a filter cartridge (13), a filter hole (14) is formed in the periphery of the filter cartridge (13), the filter cartridge (13) is fixedly connected with a collecting box (15), the filter cartridge (13) is sleeved with a water collecting tank (16), the water collecting tank (16) is fixedly connected with the support frame (1), the water collecting tank (16) is communicated with a water outlet pipe (17), a first crushing mechanism (2) and a second crushing mechanism (3) are arranged in the protective shell (9), the first crushing mechanism (2) is connected with the second crushing mechanism (3) through a first connecting mechanism (4), an opening and closing mechanism (5) is arranged in the collecting box (15), a driving mechanism (6) is arranged in the support frame (1), a filter cartridge (13) is sleeved with the driving mechanism (6), a water outlet pipe (17) is communicated with the support frame (1), and a second crushing mechanism (8) is arranged between the driving mechanism (7).

The opening and closing mechanism (5) comprises a first push rod (51) and a second push rod (52), the first push rod (51) and the second push rod (52) are both inserted into the collecting box (15), the first push rod (51) and the second push rod (52) are connected through a handle (53), the first push rod (51) is fixedly connected with a first baffle plate (54), the first baffle plate (54) is inserted into the collecting box (15) and is in sliding connection with the collecting box (15), a second baffle plate (55) is hinged to the bottom of the collecting box (15), and the second baffle plate (55) is fixedly connected with the second push rod (52);

the driving mechanism (6) comprises a third gear (61) and a rack (62), wherein the third gear (61) is meshed with two fourth gears (63), a first loop bar (64) is inserted into the fourth gears (63) and fixedly connected with the fourth gears, the first loop bar (64) is rotationally connected with the supporting frame (1), an incomplete gear (65) is sleeved on the first loop bar (64) and fixedly connected with the first loop bar, the rack (62) is meshed with the incomplete gear (65), a connecting frame (66) is fixedly connected with the rack (62), and the connecting frame (66) is inserted into the collecting box (15) and is slidingly connected with the collecting box;

the filter mechanism (7) comprises a screw rod (71), the screw rod (71) is fixedly connected with the filter cartridge (13), a first scraper blade (72) is connected with the connecting frame (66) through a bearing, the first scraper blade (72) is sleeved on the screw rod (71) and is in sliding connection with the screw rod (71), the first scraper blade (72) is inserted in the filter cartridge (13) and is in sliding connection with the filter cartridge (13), the first scraper blade (72) is attached to the filter cartridge and is provided with a second scraper blade (73), the second scraper blade (73) is sleeved on the screw rod (71) and is in threaded connection with the screw rod (71), and the first scraper blade (72) is provided with a filter tank (74).

2. An anti-clogging drain device for building heating ventilation as claimed in claim 1, wherein: the first crushing mechanism (2) comprises a first crushing blade (21) and a second crushing blade (22), and the first crushing blade (21) and the second crushing blade (22) are rotationally connected with the protective shell (9).

3. An anti-clogging drain device for building heating ventilation as claimed in claim 2, wherein: the second crushing mechanism (3) comprises a rotating shaft (301), the rotating shaft (301) is inserted and arranged between the filter cartridge (13) and the two supports (302) in a rotating mode, the water collecting tank (16) is fixedly connected with the two supports (302) in a rotating mode, the rotating shaft (301) is inserted and arranged between the two supports in a rotating mode, rotating discs (303) are fixedly connected to two ends of the rotating shaft (301), a deflector rod (304) is fixedly connected to the rotating discs (303), the axes of the deflector rod (304) are not coincident, the supports (302) are rotatably connected with a first rotating rod (305), the first rotating rod (305) is hinged with a connecting rod (306), the connecting rod (306) is sleeved with a second rotating rod (307) and is rotatably connected with the two supports, the second rotating rod (307) is hinged with a sliding rod (308), the sliding rod (308) is inserted and arranged between the filter cartridge (13) and the two supports in a sliding mode, the sliding rod (308) is fixedly connected with a crushing block (309), the first rotating rod (310) is fixedly connected with a deflector rod (310), and the connecting plate (311) is provided with a guide groove (311).

4. A block-resistant drain device for building heating ventilation according to claim 3, wherein: the first connecting mechanism (4) comprises a first gear (41) and a second gear (42), the motor (11) output shaft is fixedly connected with a rotating rod (43), the rotating rod (43) is rotationally connected with the protective shell (9), the first gear (41) is meshed with the second gear (42), the first gear (41) is sleeved on the rotating rod (43) and is fixedly connected with the rotating rod (43) through a first belt (44), the second gear (42) is fixedly connected with the second crushing blade (22), and the rotating rod (43) is connected with the rotating shaft (301) through a second belt (45).

5. An anti-clogging drain device for building heating and ventilation as claimed in claim 4, wherein: the second connecting mechanism (8) comprises a second loop bar (81), the second loop bar (81) is inserted into the third gear (61) and fixedly connected with the third gear, and an output shaft of the motor (11) is connected with the second loop bar (81) through a third belt (82).