CN219003863U - Flue gas filtering mechanism of air conditioner smoke exhaust fire damper - Google Patents

Abstract

The application discloses a flue gas filtering mechanism of air conditioner fire damper that discharges fume relates to fire damper technical field. This application is in including exhaust flue and setting fire prevention valve on the exhaust flue still includes: the baffle is fixedly arranged in the smoke exhaust pipeline, and filtering holes are uniformly distributed on the baffle; a rotating rod is rotatably arranged in the smoke exhaust pipeline, penetrates through the baffle plate, and is fixedly provided with a cleaning scraping strip and blades; and the collecting box is arranged on the smoke exhaust pipeline. This application is through adopting the design of clean strip of scraping, makes poisonous high temperature flue gas when getting into exhaust pipe, can drive the dwang through the blade and rotate to order about clean strip of scraping with this and clear up the impurity that adheres to the barrier surface, make the filtration pore on it be difficult for being blocked by impurity, can collect the impurity that the clearance was got off afterwards through the collecting box, thereby prevent that accumulational impurity from producing the influence to the impurity interception efficiency of barrier.

Description

Flue gas filtering mechanism of air conditioner smoke exhaust fire damper

Technical Field

The application relates to the technical field of fire prevention valves, in particular to a smoke filtering mechanism of an air conditioner smoke exhaust fire prevention valve.

Background

In order to prevent fire and toxic high-temperature flue gas from spreading and expanding through the air pipe during fire, a fireproof valve is required to be arranged on the air pipes of the ventilation system and the air conditioning system, and the fireproof valve can be divided into: the existing smoke-discharging fire-proof valve is a normally closed valve, when the temperature of smoke reaches 280 ℃, people are basically evacuated, smoke is discharged without practical significance, the smoke is discharged with fire, and the smoke-discharging fire-proof valve is automatically closed to avoid the spread of toxic smoke and the spread of fire.

The fire prevention valve that discharges fume that current adopts solitary filter screen to filter the flue gas mostly to reduce the pollution to the environment, but the inside large granule impurity that mixes of flue gas, the mesh of filter screen is blockked up easily to these large granule impurity, and then influences the interception effect of filter screen, in order to carry out reasonable improvement to this problem, this application provides a flue gas filtering mechanism of fire prevention valve is discharged fume to air conditioner.

Disclosure of Invention

The purpose of the present application is: in order to effectively and reasonably improve the problems presented in the background art, the application provides a smoke filtering mechanism of an air conditioner smoke exhaust fire damper.

The application specifically adopts the following technical scheme for realizing the purposes:

the utility model provides a flue gas filtering mechanism of fire damper is discharged fume to air conditioner, includes exhaust pipe and sets up fire damper on the exhaust pipe still includes:

the baffle is fixedly arranged in the smoke exhaust pipeline, and filtering holes are uniformly distributed on the baffle;

a rotating rod is rotatably arranged in the smoke exhaust pipeline, penetrates through the baffle plate, and is fixedly provided with a cleaning scraping strip and blades;

the collection box is arranged on the smoke exhaust pipeline, and a collection opening of the collection box is arranged below the baffle plate.

As the preferable technical scheme, the collecting box is movably inserted with a bearing box, and the outer side surfaces of the bearing box are contacted with the inner side surface of the collecting box.

As a preferable technical scheme, guide inclined planes are formed at the edge of the bearing box.

As a preferable technical scheme, the cleaning scraping bars are annularly arrayed along the axial direction of the rotating rod.

As the preferable technical scheme, the cleaning scraping strip comprises a mounting strip and a cleaning strip, wherein the mounting strip is fixed with the rotating rod, the cleaning strip is in sliding fit with the mounting strip, and the cleaning strip is connected with the mounting strip through a first pressure spring.

As the preferable technical scheme, be provided with the cylinder on the barrier, the tip fixedly connected with second pressure spring of installation strip, the tip fixed mounting of second pressure spring has the metal ball.

As a preferable technical scheme, the blades and the baffle plates are coated with protective layers.

As a preferred technical solution, the baffle is located between the blade and the cleaning blade.

The beneficial effects of this application are as follows:

1. this application is through adopting the design of clean strip of scraping, makes poisonous high temperature flue gas when getting into exhaust pipe, can drive the dwang through the blade and rotate to order about clean strip of scraping with this and clear up the impurity that adheres to the barrier surface, make the filtration pore on it be difficult for being blocked by impurity, can collect the impurity that the clearance was got off afterwards through the collecting box, thereby can prevent that accumulational impurity from producing the influence to the impurity interception efficiency of barrier.

2. This application is through adopting the design of accepting the box, cuts from the barrier when making clean scraping the strip rotate and rubs dust down, can fall into the holding box in the collecting box under the effect of gravity, when needs clear up it, can accept the box through pulling out to direct derivation of impurity with its inside collection, very convenient good use.

Drawings

FIG. 1 is a perspective view of the present application;

FIG. 2 is a schematic view of a smoke exhaust duct structure in half section;

FIG. 3 is a schematic view of the structure of the rotating rod of the present application;

FIG. 4 is an enlarged view of FIG. 3A of the present application;

reference numerals: 1. a smoke exhaust duct; 2. a fire protection valve; 3. a baffle; 4. filtering holes; 5. a rotating lever; 6. cleaning the scraping strip; 7. a blade; 8. a collection box; 9. a receiving box; 10. a guide slope; 11. a mounting bar; 12. a cleaning bar; 13. a first compression spring; 14. a cylinder; 15. a second compression spring; 16. a metal ball; 17. and (5) a protective layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

As shown in fig. 1-3, a smoke filtering mechanism of an air conditioner smoke exhaust fire damper according to an embodiment of the present application includes a smoke exhaust duct 1 and a fire damper 2 disposed on the smoke exhaust duct 1, and further includes:

the baffle plate 3 is fixedly arranged in the smoke exhaust pipeline 1, the baffle plate 3 cuts off the pipe diameter of the smoke exhaust pipeline 1, the filter holes 4 are uniformly distributed on the baffle plate 3, and by adopting the design, the smoke generated during fire can be filtered, and large particulate matters are intercepted, so that the pollution to the environment caused by the large particulate matters is reduced;

the rotating rod 5 is rotatably arranged in the smoke exhaust pipeline 1, the rotating rod 5 penetrates through the baffle plate 3, the cleaning scraping strip 6 and the blades 7 are fixedly arranged on the rotating rod 5, the bottom of the cleaning scraping strip 6 is contacted with the surface of the baffle plate 3, when smoke enters the smoke exhaust pipeline 1, the blades 7 can be driven to rotate, the rotating rod 5 is driven to rotate, and therefore large particle impurities attached to the baffle plate 3 can be cleaned through scraping generated by the cleaning scraping strip 6, and the filter holes 4 are prevented from being blocked;

the collection box 8 on the exhaust pipe 1, the collection port of the collection box 8 is positioned below the baffle plate 3, and by adopting such a design, when the cleaning scraping strip 6 cleans the baffle plate 3, impurities cleaned on the baffle plate 3 can fall into the collection box 8 under the action of gravity, so that the impurities can be collected in a concentrated manner, and the interference caused by the accumulation of the impurities at the bottom of the baffle plate 3 to the air outlet of the baffle plate 3 is avoided.

This application is through adopting the design of clean strip 6 of scraping, makes poisonous high temperature flue gas when getting into exhaust pipe 1, can drive dwang 5 rotation through blade 7 to order about clean strip 6 with this and clear up the impurity that is attached to the barrier 3 surface, make the filtration pore 4 on it be difficult for by impurity jam, can collect the impurity that the clearance was got off afterwards through collecting box 8, thereby can prevent that accumulational impurity from producing the influence to barrier 3's impurity interception efficiency.

As shown in fig. 1 and 2, in some embodiments, a receiving box 9 is movably inserted in the collecting box 8, a handle is configured on the receiving box 9, the outer side surfaces of the receiving box 9 are all in contact with the inner side surface of the collecting box 8, when the rotating rod 5 rotates, impurities on the blocking plate 3 are scraped by the cleaning scraping strip 6 and fall into the receiving box 9 under the action of gravity, and when the cleaning is needed, the receiving box 9 can be pulled out, and the impurities collected in the receiving box can be directly led out, so that the cleaning device is very convenient and easy to use.

As shown in fig. 2, in some embodiments, the edge of the receiving box 9 is configured with a guiding inclined plane 10, and impurities falling into the collecting box 8 are easier to enter the receiving box 9 by arranging the guiding inclined plane 10, so that accumulation of the impurities at the edge of the receiving box 9 can be reduced, and cleaning is facilitated.

As shown in fig. 2 and 3, in some embodiments, the cleaning bar 6 is annularly arranged in a plurality along the axial direction of the rotating rod 5, and by adopting such an arrangement, the cleaning bar 6 is dynamically balanced, and thus the stability of the cleaning bar 6 during rotation is improved.

As shown in fig. 3 and fig. 4, in some embodiments, the cleaning scraping strip 6 includes a mounting strip 11 and a cleaning strip 12, where the cleaning strip 12 may be a rubber scraping strip, the mounting strip 11 is fixed to the rotating rod 5, the cleaning strip 12 is slidably matched with the mounting strip 11, and is connected to the mounting strip 11 through a first compression spring 13, the first compression spring 13 is used to provide a thrust force for forcing the cleaning strip 12 to abut against the barrier 3, a fixing column is further configured at the bottom of the mounting strip 11, and the first compression spring 13 is sleeved on the fixing column, so that the first compression spring 13 can be protected, so that the cleaning strip 12 is not easy to bend during compression, and by adopting such a design, the cleaning strip 12 can flexibly abut against the barrier 3, so that abrasion generated by the cleaning strip 12 and the barrier 3 during rotation can be reduced, and thus the service life of the device can be prolonged.

As shown in fig. 3 and fig. 4, in some embodiments, a cylinder 14 is disposed on the baffle 3, the end portion of the mounting bar 11 is fixedly connected with a second pressure spring 15, the end portion of the second pressure spring 15 is fixedly provided with a metal ball 16, and the metal ball 16 and the end portion of the second pressure spring 15 are fixed in a welding manner, so that the connection strength of the metal ball is increased, and the metal ball 16 and the end portion of the second pressure spring 15 are not easy to separate.

As shown in fig. 3, in some embodiments, the blades 7 and the baffle plates 3 are coated with a protective layer 17, and the protective layer 17 is specifically a you bao refractory coating, so that by adopting such a design, the heat resistance of the blades 7 and the baffle plates 3 can be increased, and when toxic high-temperature smoke generated by a fire passes through the smoke exhaust pipeline 1, the blades 7 and the baffle plates 3 cannot be damaged due to high temperature, thereby prolonging the service life of the device.

In some embodiments, as shown in fig. 3, the baffle 3 is located between the blade 7 and the cleaning scraping strip 6, and by adopting such a design, the blade 7 is located on the leeward side of the baffle 3, so that the filtered flue gas can drive the blade 7 to rotate, thereby reducing the attachment of impurities on the surface of the blade 7.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a flue gas filtering mechanism of air conditioner fire damper that discharges fume, includes exhaust duct (1) and sets up fire damper (2) on exhaust duct (1), its characterized in that still includes:

the baffle plate (3) is fixedly arranged in the smoke exhaust pipeline (1), and filtering holes (4) are uniformly distributed on the baffle plate (3);

a rotating rod (5) is rotatably arranged in the smoke exhaust pipeline (1), the rotating rod (5) penetrates through the baffle plate (3), and a cleaning scraping strip (6) and a blade (7) are fixedly arranged on the rotating rod (5);

the collection box (8) is arranged on the smoke exhaust pipeline (1), and a collection port of the collection box (8) is arranged below the baffle plate (3).

2. The flue gas filtering mechanism of the air conditioner flue gas fireproof valve according to claim 1, wherein a receiving box (9) is movably inserted in the collecting box (8), and the outer side surfaces of the receiving box (9) are contacted with the inner side surface of the collecting box (8).

3. The smoke filtering mechanism of an air conditioner smoke exhaust fire damper according to claim 2, wherein guide inclined planes (10) are formed at the edge of the receiving box (9).

4. The smoke filtering mechanism of an air conditioner smoke exhaust fire damper according to claim 1, wherein a plurality of cleaning scraping bars (6) are annularly arranged along the axial direction of the rotating rod (5).

5. The smoke filtering mechanism of an air conditioner smoke exhaust fire damper according to claim 4, wherein the cleaning scraping strip (6) comprises a mounting strip (11) and a cleaning strip (12), the mounting strip (11) is fixed with the rotating rod (5), the cleaning strip (12) is in sliding fit with the mounting strip (11), and the cleaning strip is connected with the mounting strip (11) through a first pressure spring (13).

6. The smoke filtering mechanism of the air conditioner smoke exhaust fire damper according to claim 5, wherein a cylinder (14) is arranged on the baffle plate (3), a second pressure spring (15) is fixedly connected to the end part of the mounting strip (11), and a metal ball (16) is fixedly arranged at the end part of the second pressure spring (15).

7. A smoke filter mechanism for a smoke damper of an air conditioner according to claim 1, wherein the blades (7) and the baffle (3) are coated with a protective layer (17).

8. A smoke filtering mechanism for an air conditioner smoke damper according to claim 1, wherein the barrier (3) is located between the blade (7) and the cleaning scraper (6).

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