CN209907766U

CN209907766U - Weather-proof air-drawing hood

Info

Publication number: CN209907766U
Application number: CN201920438178.2U
Authority: CN
Inventors: 李兴江; 储著龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-01-07
Anticipated expiration: 2029-04-02

Abstract

The utility model provides a weather-proof air-drawing hood, including chimney hood, first support, smoke deflector, second support and chimney hood, smoke deflector sets up in chimney hood through first support is fixed, the chimney hood sets up in smoke deflector's upper end through second support is fixed, the fixed wind-guiding window that is provided with in side of chimney hood, the wind-guiding window includes a plurality of aviation deflectors and roof, the roof is located the upper end of aviation deflector; the chimney cap comprises a plurality of groups of coamings, a third support, a top cap and a fourth support which are arranged in an up-and-down sequence, wherein the middle parts of the coamings are provided with smoke outlets, the adjacent coamings are fixedly connected through the third support, the upper coamings cover the smoke outlets of the lower coamings, and the top cap is fixedly arranged at the upper ends of the coamings through the fourth support; the utility model has the advantages of rain-proof flowing backward and good exhaust function.

Description

Weather-proof air-drawing hood

Technical Field

The utility model relates to a fume extractor technical field especially relates to a prevent wind and rain and pull out gas hood.

Background

The chimney belongs to common equipment in industry or people's life, and in order to prevent rainwater from falling into the chimney in rainy days, a chimney cap is supported at the top of the chimney to block rainwater generally, so that smoke is discharged from the side surface of the upper part of the chimney, but in stormy weather, wind blows from all directions, rainwater easily enters the chimney from the side surface of the chimney by virtue of wind force, so that water enters the chamber, and if the side surface of the chimney is also blocked, the exhaust speed of the chimney is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent wind and rain and pull out gas hood also has better exhaust function when realizing rain-proof flowing backward to solve the problem that proposes in the background art.

In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

a wind and rain proof air pulling hood comprises a chimney hood, a first support, a smoke guide plate, a second support and a chimney hood, wherein the smoke guide plate is fixedly arranged in the chimney hood through the first support, and the chimney hood is fixedly arranged at the upper end of the smoke guide plate through the second support;

the side surface of the chimney hood is fixedly provided with an air guide window, the air guide window comprises a plurality of air guide plates and a top plate, and the top plate is positioned at the upper ends of the air guide plates;

the chimney cap comprises a plurality of groups of coamings, a third support, a top cap and a fourth support, wherein the coamings, the third support, the top cap and the fourth support are arranged in an up-and-down sequence, smoke outlets are formed in the middles of the coamings, the adjacent coamings are fixedly connected through the third support, the upper coamings cover the smoke outlets of the lower coamings, and the top cap is fixedly arranged at the upper ends of the coamings through the fourth support.

Furthermore, the upper part of the air deflector is vertically arranged, the middle part of the air deflector is gradually arranged along the direction far away from the chimney body from top to bottom, and the lower part of the air deflector is vertically arranged.

Furthermore, supporting legs are fixedly arranged on the chimney hood.

Furthermore, the top plate is located at the topmost layer of the plurality of air deflectors, and the top cap is located at the topmost layer of the plurality of air deflectors.

Furthermore, the area of the top end of the enclosing plate is smaller than that of the bottom end, and the side face of the enclosing plate is an inclined plane.

Further, the bottom end area of the upper enclosing plate in the adjacent enclosing plates is smaller than that of the lower enclosing plate.

The utility model has the advantages that: 1. the upper end of the smoke guide plate is fixedly provided with a chimney cap through a second support, the chimney cap comprises a surrounding plate and a top cap, the upper surrounding plate covers the smoke outlet hole of the lower surrounding plate, and the top cap covers the smoke outlet hole of the uppermost surrounding plate, so that rainwater is effectively prevented from directly falling into the chimney body from top to bottom; the chimney hood is arranged to cover the smoke guide plate and the chimney cap, the air guide window is arranged on the side surface of the chimney hood, the plurality of air guide plates and the top plate are arranged on the air guide window, and rainwater on the side surface is blocked by the air guide plates during rainstorm, so that the rainwater is prevented from pouring into the chimney body, and the utility model has a good rainproof function; meanwhile, the smoke in the smoke guide plate can be discharged through the gap between the adjacent air guide plates, or through the gap between the smoke guide plate and the chimney hood, or through the gaps between the coaming and the coaming, and between the coaming and the top cap, so that the utility model has better exhaust function; 2. through setting up the upper portion of aviation baffle perpendicularly, the aviation baffle middle part sets up along the direction of keeping away from the chimney body gradually according to the order from the top down, and the lower part of aviation baffle sets up perpendicularly, and no matter wind blows to the chimney cover from any direction, wind can only blow in the chimney cover from upwards down through the gap between the adjacent aviation baffle, and then blows off the flue gas in the chimney body upwards, exhausts with higher speed, makes the utility model discloses have good function of pulling out the gas upwards in the chimney cover with the help of the trend of wind of outside.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the air guiding window of the present invention;

FIG. 3 is a schematic structural view of the smoke guide plate and the cigarette case cap of the present invention;

fig. 4 is a cross-sectional view of the overall structure of the present invention;

fig. 5 is a top view of the overall structure of the present invention;

fig. 6 is a schematic view of the air flow during use of the present invention.

The attached drawings are illustrated as follows:

the chimney cover 1, the air guide window 11, the air guide plate 111 and the top plate 112;

the cigarette guiding device comprises a first bracket 2, a cigarette guiding plate 3 and a second bracket 4;

the chimney cap 5, the coaming 51, the smoke outlet 511, the third bracket 52, the top cap 53 and the fourth bracket 54.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings;

as shown in fig. 1 and 2, a weather proof hood for drawing out air comprises a chimney hood 1, a first support 2, a smoke guide plate 3, a second support 4 and a chimney cap 5, wherein the smoke guide plate 3 is fixedly arranged in the chimney hood 1 through the first support 2, the chimney cap 5 is fixedly arranged at the upper end of the smoke guide plate 3 through the second support 4, rainwater is prevented from directly falling into the smoke guide plate 3, a certain distance is reserved between the inner wall of the chimney cap and the inner wall of the chimney hood, and smoke is convenient to discharge from the inner wall of the chimney cap and the inner wall of the chimney hood.

The side surface of the chimney cover 1 is fixedly provided with an air guide window 11, the air guide window 11 comprises a plurality of air guide plates 111 and a top plate 112, sufficient gaps are formed between the adjacent air guide plates 111 for exhausting air, the top plate 112 is positioned at the upper end of the air guide plates 111, and the top plate 112 is positioned at the topmost layer of the air guide plates 111; the upper portion of aviation baffle 111 sets up perpendicularly, and the aviation baffle 111 middle part sets up along the direction of keeping away from the chimney body gradually according to the order from the top down, and the lower part of aviation baffle 111 sets up perpendicularly, no matter wind blows to chimney cover 1 from any direction, and wind can only blow in chimney cover 1 from upwards down through the gap between the adjacent aviation baffle 111 in, and then blows off the flue gas in the chimney body upwards, exhausts with higher speed, makes the utility model discloses have the function of good upwards pulling out the gas in the chimney cover with the help of the trend of the outside.

The chimney cap 5 shown in fig. 3 to 6 includes several groups of coaming 51, third bracket 52, top cap 53 and fourth bracket 54 arranged in the up-down order, the middle of the coaming 51 is provided with a smoke outlet 511, the adjacent coaming 51 is fixedly connected through the third bracket 52, and the upper coaming 51 covers the smoke outlet 511 of the lower coaming 51, the covering means that the periphery of the upper coaming 51 is positioned right above the smoke outlet 511 of the lower coaming 51, and the peripheral area of the upper coaming 51 is larger than the area of the smoke outlet 511 of the lower coaming 51, and when rainwater falls vertically, the upper coaming 51 can cover the rainwater, and the rainwater cannot fall into the smoke outlet 511 of the lower coaming 51; the area of the top end of the enclosing plate 51 is smaller than that of the bottom end, the side surface of the enclosing plate 51 is an inclined surface, and rainwater falls to two sides through the inclined surface when falling vertically; the bottom end area of the upper enclosing plate 51 in the adjacent enclosing plates 51 is smaller than that of the lower enclosing plate 51; the hood 53 passes through the fixed upper end that sets up at bounding wall 51 of fourth support 54, and the hood 53 is located the topmost layer of a plurality of aviation baffles 111, and the gap between the adjacent aviation baffle 111 of flue gas accessible in the smoke guide 3 is discharged, also can be through the gap of being separated by between smoke guide 3 and the chimney hood 1, perhaps gap discharge between bounding wall 51 and bounding wall 51, bounding wall 51 and the hood 53 makes the utility model discloses better exhaust function has.

Supporting legs are also fixedly arranged on the chimney cover 1.

The working principle is as follows: 1. the smoke in the smoke guide plate 3 flows upwards, is discharged through gaps between the coaming 51 and between the coaming 51 and the top cap 53, and then is discharged through gaps between the chimney cap and the chimney cover 1 or through gaps between adjacent air guide plates 111;

2. when the wind blows, the wind blows to the chimney cover 1, and the wind blows into the chimney cover 1 from bottom to top through the gap between the adjacent wind guide plates 111, so that the air in the chimney cover 1 is blown and pulled upwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a weather proof hood of drawing out air which characterized in that: the chimney hood comprises a chimney hood (1), a first support (2), a smoke guide plate (3), a second support (4) and a chimney cap (5), wherein the smoke guide plate (3) is fixedly arranged in the chimney hood (1) through the first support (2), and the chimney cap (5) is fixedly arranged at the upper end of the smoke guide plate (3) through the second support (4);

an air guide window (11) is fixedly arranged on the side face of the chimney hood (1), the air guide window (11) comprises a plurality of air guide plates (111) and a top plate (112), and the top plate (112) is located at the upper end of the air guide plates (111);

the chimney cap (5) comprises a plurality of groups of enclosing plates (51), a third support (52), a top cap (53) and a fourth support (54), wherein the enclosing plates (51) are arranged in an up-and-down sequence, a smoke outlet (511) is formed in the middle of each enclosing plate (51), the adjacent enclosing plates (51) are fixedly connected through the third supports (52), the upper enclosing plate (51) covers the smoke outlet (511) of the lower enclosing plate (51), and the top cap (53) is fixedly arranged at the upper ends of the enclosing plates (51) through the fourth support (54).

2. A weather extraction hood according to claim 1, further comprising: the upper part of the air deflector (111) is vertically arranged, the middle part of the air deflector (111) is gradually arranged along the direction far away from the chimney body from top to bottom, and the lower part of the air deflector (111) is vertically arranged.

3. A weather extraction hood according to claim 1, further comprising: supporting legs are fixedly arranged on the chimney cover (1).

4. A weather extraction hood according to claim 1, further comprising: the top plate (112) is located at the topmost layer of the air deflectors (111), and the top cap (53) is located at the topmost layer of the air deflectors (111).

5. A weather extraction hood according to claim 1, further comprising: the top end area of the enclosing plate (51) is smaller than the bottom end area, and the side surface of the enclosing plate (51) is an inclined surface.

6. A weather cap according to any one of claims 1 to 5, wherein: the bottom end area of the upper enclosing plate (51) in the adjacent enclosing plates (51) is smaller than that of the lower enclosing plate (51).