CN108442650B - Air guide fin and flue with the air guide fin - Google Patents

Abstract

The air guide includes an air inlet end, a guide end and an air outlet end; the air inlet end, guide end and air outlet end are connected in sequence, and the air inlet end, guide end and air outlet end are folded from the same plane of material ; There is a crease between the air inlet end and the guide end, and an angle is formed between the air inlet end and the guide end; there is also a crease between the guide end and the air outlet end, and an angle is formed between the guide end and the air outlet end. included angle; the air inlet end is provided with an air inlet hole, and the direction of the air inlet hole is consistent with the direction of the guide end; compared with the prior art, the air guide fins and exhaust duct enclosures of this application are made of folded sheets. The result is that the air guide fins and the exhaust duct enclosure have better strength as a whole. At the same time, the manufacturing and production are convenient and the cost is low, which is suitable for mass production. At the same time, one exhaust duct enclosure can connect multiple air guide fins, so that It is conducive to the centralized air outlet of multiple air guide fins.

Description

Air guide fin and flue with the air guide fin

Technical field

The invention belongs to the technical field of flues, and in particular relates to air guide fins and flues having the air guide fins.

Background technique

A flue is a tubular device for emitting waste gas and smoke. A residential flue refers to a vertical pipe product used to remove kitchen smoke or bathroom exhaust. It is also called an exhaust duct, a ventilation duct, a residential exhaust duct, etc.

Since the national standards "Residential Building Code", "Building Design Fire Protection Code" and other mandatory provisions stipulate that the fire resistance limit of exhaust ducts in residential buildings should be no less than 1.00h, it is difficult to achieve a fire resistance limit of no less than 1.0 for cement prefabricated flues. h requirements, in order to prevent the accumulation of oil dirt in residential exhaust ducts over time and becoming a fire hazard, the exhaust ducts are mostly made of high-strength glass magnesium fire-resistant flue plates and are produced through mechanized assembly and assembly. High-strength fire-resistant exhaust ducts are installed inside the flue. Variable pressure gas-extracting components must be type-inspected in accordance with the national standard "Fire Resistance Test Methods for Ventilation Ducts GB/T17428-2009", and the fire resistance limit needs to be more than 1.0h; high-strength fire-resistant exhaust ducts have the characteristics of light weight, high strength, no deformation, It has the characteristics of good fire resistance, strong flexible impact resistance, easy installation, good sound insulation performance, and not easy to be damaged. It is widely used in kitchen smoke exhaust and bathroom exhaust in residential buildings and public buildings.

Chinese Patent No. CN105008695A discloses an exhaust flue, which includes an exhaust chimney main body as a channel for discharging exhaust gas, and an open end porous end with a plurality of holes drilled along the entire circumference of one side of the open end of the exhaust chimney main body. area.

The exhaust flue outlet disclosed above is located in a circle around the exhaust chimney body, so there is no specific air outlet direction, and is not suitable for the combined use of multiple exhaust flues. At the same time, this exhaust flue structure It is complex, requires high manufacturing costs, and is not suitable for large-scale use.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned defects in the prior art and provide an air guide fin and a flue having the air guide fin that are safe, reliable, simple in structure, and easy to disassemble and assemble.

In order to achieve the above objects, the technical solution adopted by the present invention is: the air guide plate includes an air inlet end, a guide end and an air outlet end; the air inlet end, the guide end and the air outlet end are connected in sequence, and the air inlet end, The guide end and the air outlet end are folded from the same plane material; there is a crease between the air inlet end and the guide end, and an angle is formed between the air inlet end and the guide end; there is also an angle between the guide end and the air outlet end. It has creases, and an included angle is formed between the guide end and the air outlet end; the air inlet end is provided with an air inlet hole, and the direction of the air inlet hole is consistent with the direction of the guide end.

As a preferred solution of the present invention, a first support piece and a second support piece are connected to the periphery of the air inlet end. The first support piece is located on both sides of the air inlet end, and the second support piece is located opposite the guide end connected to the air inlet end. side.

As a preferred solution of the present invention, the second support piece is connected to the first support piece on both sides, the first support piece is trapezoid-shaped, and the first support piece is inclined toward the guide end.

As a preferred solution of the present invention, third support pieces connected to the first support piece are provided on both sides of the guide end. The third support piece is inclined toward the guide end, and the third support piece faces the air outlet end. The third support piece is arc-shaped, one end of the third support piece is connected to the first support piece, and the other end is connected to the air outlet end.

As a preferred solution of the present invention, the first support piece, the second support piece and the third support piece are connected in sequence, and the first support piece, the second support piece and the third support piece all face the inside of the air inlet.

As a preferred solution of the present invention, the air inlet end is provided with a connection hole for positioning the air inlet end.

The air guide fin and the flue with the air guide fin are characterized in that they include a flue exhaust duct enclosure and a plurality of air guide fins. The plurality of air guide fins are connected to the air inlets of the exhaust duct enclosure and guide the air. The air outlet of the piece faces the air outlet of the exhaust duct enclosure; the exhaust duct enclosure is made of folded materials of the same plane, and a gap is provided on the edge of the corner of the exhaust duct enclosure; the exhaust duct enclosure There are threaded holes around the air inlet of the board.

As a preferred solution of the present invention, a flange is provided at the connection point between the exhaust duct enclosure and the air guide fin, and the flange is fixed at the air inlet of the exhaust duct enclosure.

As a preferred solution of the present invention, a support plate and a partition are provided below the exhaust duct enclosure, and the exhaust duct enclosure is fixedly connected to the support plate and the partition.

As a preferred solution of the present invention, the outer rings of the exhaust duct enclosure, support plates and partitions are provided with inner linings.

The beneficial effects of the present invention are: compared with the prior art, the air guide fins and the exhaust duct enclosures of the present application are both folded from sheet materials, so that the air guide fins and the exhaust duct enclosures have better overall strength. , at the same time, the manufacturing and production is convenient, the cost is low, and it is suitable for large-scale production; at the same time, one exhaust duct enclosure can connect multiple air guide fins, which is conducive to the centralized air discharge of multiple air guide fins.

Description of the drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a schematic structural diagram of the air guide blade;

Figure 3 is a plan view of the air guide blade;

Figure 4 is a schematic structural diagram of the exhaust duct enclosure;

Figure 5 is a plan view of the exhaust duct enclosure;

Figure 6 is a schematic structural diagram of the support plate;

Reference numbers in the figure: air guide 1, exhaust duct enclosure 2, flange 3, support plate 4, partition 5, lining 6, air inlet end 1-1, guide end 1-2, air outlet end 1-3, air inlet hole 1-4, first support piece 1-5, second support piece 1-6, third support piece 1-7, connection hole 1-8, air inlet 2-1, threaded hole 2 -2, gap 2-3.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in Figure 1-5, the air guide 1 includes an air inlet end 1-1, a guide end 1-2 and an air outlet end 1-3; an air inlet end 1-1, a guide end 1-2 and an air outlet end 1 -3 are connected in sequence, and the air inlet end 1-1, the guide end 1-2 and the air outlet end 1-3 are folded from the same plane material; there is a fold between the air inlet end 1-1 and the guide end 1-2 There are creases between the air inlet end 1-1 and the guide end 1-2; there are also creases between the guide end 1-2 and the air outlet end 1-3, and the guide end 1-2 and the air outlet end 1 -3 form an included angle; the air inlet end 1-1 is provided with an air inlet hole 1-4, and the direction of the air inlet hole 1-4 is consistent with the direction of the guide end 1-2.

The air guide 1 is folded from sheet metal on the same plane, so that the air guide 1 is integrally formed and has better strength. At the same time, oil smoke and exhaust gas enter the guide through the air inlet holes 1-4 on the air inlet end 1-1. In the air blade 1, the oil smoke and exhaust gas move along the guide end 1-2 after passing through the air inlet 1-4. Finally, the oil smoke and exhaust gas move along the direction of the air outlet end 1-3 under the action of the guide end 1-2. Exhaust.

The air inlet end 1-1 and the air outlet end 1-3 are arranged in parallel, the guide end 1-2 is located between the air inlet end 1-1 and the air outlet end 1-3, and the guide end 1-2 and the air inlet end 1- 1 and the air outlet end 1-3 are set vertically, and there is a vertically set angle between the guide end 1-2 and the air inlet end 1-1, so that there is no residue between the guide end 1-2 and the air inlet end 1-1 exhaust gas and oil smoke, and an arc is formed between the guide end 1-2 and the air outlet end 1-3, which facilitates the direction change of oil smoke and exhaust gas under the action of the arc; the setting direction of the guide end 1-2 can be determined according to the actual situation. Need to design.

A first support piece 1-5 and a second support piece 1-6 are connected to the periphery of the air inlet end 1-1. The first support piece 1-5 is located on both sides of the air inlet end 1-1, and the second support piece 1-6 is located on The air inlet end 1-1 is connected to the opposite side of the guide end 1-2, and the second support piece 1-6 is connected to the first support pieces 1-5 on both sides. The first support piece 1-5 is trapezoid-shaped, and the second support piece 1-6 is connected to the opposite side of the guide end 1-2. A support piece 1-5 is inclined toward the guide end 1-2.

The first support piece 1-5 and the second support piece 1-6 are located around the air inlet 1-4, and the first support piece 1-5 and the second support piece 1-6 are arranged perpendicularly to the air inlet 1-4. , at the same time, the first support piece 1-5 and the second support piece 1-6 are located on the same side of the air inlet hole 1-4; the first support piece 1-5 and the second support piece 1-6 are connected in sequence, so that the air inlet End 1-1 has better strength and stability.

After being folded, the first support piece 1-5 and the second support piece 1-6 offset the edge of the air inlet 1-4, so that the oil smoke and exhaust gas passing through the air inlet 1-4 are in the first support piece 1-5 and the second support piece 1-6. The second supporting piece 1-6 has a certain guiding effect.

There are third support pieces 1-7 connected to the first support piece 1-5 on both sides of the guide end 1-2. The third support piece 1-7 is inclined toward the guide end 1-2. 1-7 is arc-shaped toward the air outlet end 1-3. One end of the third support piece 1-7 is connected to the first support piece 1-5, and the other end is connected to the air outlet end 1-3. The first support piece 1 -5. The second support piece 1-6 and the third support piece 1-7 are connected in sequence, and the first support piece 1-5, the second support piece 1-6 and the third support piece 1-7 all face the air inlet. 1-4 inside.

Through the connection between the first support piece 1-5, the second support piece 1-6 and the third support piece 1-7, the air inlet end 1-1 and the guide end 1-2 are positioned at the included angle. The stability between the air inlet end 1-1 and the guide end 1-2 is improved. The first support piece 1-5, the second support piece 1-6 and the third support piece 1-7 are fixedly connected by welding. , and at the same time, polishing and wire drawing are performed after welding is completed, so that the air guide plate 1 has better stability.

Through the connection between the first support piece 1-5, the second support piece 1-6 and the third support piece 1-7, the air inlet end 1-1, the guide end 1-2 and the air outlet end 1-3 are sequentially Connection, this folding method is simple and convenient, has a stable structure, is suitable for mass production, and has low manufacturing cost.

The air guide fin and the flue with the air guide fin include a flue exhaust duct enclosure 2 and a plurality of air guide fins 1. The plurality of air guide fins 1 are connected to the air inlet 2-1 of the exhaust duct enclosure 2, And the air outlet of the air guide plate 1 faces the air outlet of the exhaust duct enclosure 2; the exhaust duct enclosure 2 is made of folded materials of the same plane, and there is a gap 2- on the edge of the corner of the exhaust duct enclosure 2. 3; Threaded holes 2-2 are provided around the air inlet 2-1 of the exhaust duct enclosure 2, and the air inlet end 1-1 is provided with a connecting hole 1-8 for positioning the air inlet end 1-1. The connecting hole 1 -8 corresponds to threaded hole 2-2.

The number of air guide fins 1 on the exhaust duct enclosure 2 can be set according to actual needs. The exhaust duct enclosure 2 is folded from sheet metal on the same plane, so that the exhaust duct enclosure 2 is formed in one piece and has better performance. At the same time, the oil smoke and exhaust gas enter the exhaust duct enclosure 2 through the air inlet 2-1. After passing through the air inlet, the oil smoke and exhaust gas change the moving direction of the oil smoke and exhaust gas under the action of the air guide 1, so that the oil smoke and exhaust gas The outlet direction of the exhaust gas is along the direction of the air outlet of the flue exhaust duct enclosure 2.

The notches 2-3 of the flue duct enclosure 2 are folding places. Through the design of the notches 2-3, the folds of the flue duct enclosure 2 are made to fit together, so that the overall exhaust duct enclosure 2 has better For stability, a flange 3 is provided at the connection between the exhaust duct enclosure 2 and the air guide 1, and the flange 3 is fixed at the air inlet 2-1 of the exhaust duct enclosure 2.

Through the function of flange 3, the exhaust duct enclosure 2 and the air guide 1 are connected with bolts to form a closed connecting part. The bolts are located in the connection holes 1-8 and the threaded holes 2-2. Under the function of the flange 3 This makes the connection between the exhaust duct enclosure 2 and the air guide fin 1 more stable.

A support plate 4 and a partition 5 are provided below the exhaust duct enclosure 2. The exhaust duct enclosure 2 is fixedly connected to the support plate 4 and the partition 6. The support plate 4 is used to support the exhaust duct enclosure 2 and the partition 6. It is used to separate the exhaust duct enclosure 2 into a closed flue. The exhaust duct enclosure 2, the support plate 4 and the partition plate 5 are connected by welding. The exhaust duct enclosure 2, the support plate 4 and the partition plate 5 are connected by welding. An inner lining 6 is provided on the outer ring of the partition plate 5, and the inner lining 6 is fixedly connected to the exhaust flue enclosure 2, the support plate 4 and the partition plate 5, so that the overall flue has better stability.

The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be practiced in other embodiments without departing from the spirit or scope of the invention; accordingly , the present invention 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.

Although this article uses the reference symbols in the figure more: air guide 1, exhaust duct enclosure 2, flange 3, support plate 4, partition 5, lining 6, air inlet end 1-1, guide end 1-2, air outlet end 1-3, air inlet hole 1-4, first support piece 1-5, second support piece 1-6, third support piece 1-7, connection hole 1-8, air inlet 2-1, threaded hole 2-2, notch 2-3 and other terms, but do not exclude the possibility of using other terms; these terms are only used to more conveniently describe and explain the essence of the present invention; interpret them as any Any additional limitation would be contrary to the spirit of the invention.

Claims (7)

1. The air guide plate is characterized by comprising an air inlet end (1-1), a guide end (1-2) and an air outlet end (1-3); the air inlet end (1-1), the guide end (1-2) and the air outlet end (1-3) are sequentially connected, and the air inlet end (1-1), the guide end (1-2) and the air outlet end (1-3) are formed by folding materials on the same plane; a crease is formed between the air inlet end (1-1) and the guide end (1-2), and an included angle is formed between the air inlet end (1-1) and the guide end (1-2); a crease is also arranged between the guide end (1-2) and the air outlet end (1-3), and an included angle is formed between the guide end (1-2) and the air outlet end (1-3); an air inlet hole (1-4) is formed in the air inlet end (1-1), and the direction of the air inlet hole (1-4) is consistent with the direction of the guide end (1-2); the air inlet end (1-1) is arranged in parallel with the air outlet end (1-3), the guide end (1-2) is positioned between the air inlet end (1-1) and the air outlet end (1-3), the guide end (1-2) is vertically arranged between the air inlet end (1-1) and the air outlet end (1-3), and a vertically arranged included angle is formed between the guide end (1-2) and the air inlet end (1-1); the periphery of the air inlet end (1-1) is connected with a first supporting sheet (1-5) and a second supporting sheet (1-6), the first supporting sheet (1-5) is positioned at two sides of the air inlet end (1-1), and the second supporting sheet (1-6) is positioned at the opposite side of the air inlet end (1-1) connected with the guide end (1-2); the second supporting pieces (1-6) are connected with the first supporting pieces (1-5) on two sides, the first supporting pieces (1-5) are trapezoid, and the first supporting pieces (1-5) are obliquely arranged towards the guide end (1-2); the guide end (1-2) both sides are equipped with third supporting plate (1-7) that are connected with first supporting plate (1-5), and third supporting plate (1-7) are the slope setting towards guide end (1-2) department, and third supporting plate (1-7) are circular-arc towards air-out end (1-3) department, and third supporting plate (1-7) one end is connected with first supporting plate (1-5), and the other end is connected with air-out end (1-3).

2. The air guiding plate according to claim 1, wherein the first supporting plate (1-5), the second supporting plate (1-6) and the third supporting plate (1-7) are sequentially connected, and the first supporting plate (1-5), the second supporting plate (1-6) and the third supporting plate (1-7) face to the inner side of the air inlet hole (1-4).

3. The air guide plate according to claim 1, wherein the air inlet end (1-1) is provided with a connecting hole (1-8) for positioning the air inlet end (1-1).

4. The flue is characterized by comprising a flue coaming (2) and a plurality of air guide plates (1) as claimed in any one of claims 1-3, wherein the air guide plates (1) are connected to an air inlet (2-1) of the flue coaming (2), and an air outlet of the air guide plates (1) faces to an air outlet of the flue coaming (2); the flue coaming (2) is formed by folding materials on the same plane, and a notch (2-3) is arranged on the edge of the folded corner of the flue coaming (2); screw holes (2-2) are arranged around the air inlets (2-1) of the exhaust flue coaming (2).

5. The flue according to claim 4, wherein a flange (3) is arranged at the joint of the flue coaming (2) and the air guide piece (1), and the flange (3) is fixed at the air inlet (2-1) of the flue coaming (2).

6. The flue according to claim 4, wherein a support plate (4) and a partition plate (5) are arranged below the flue coaming (2), and the flue coaming (2) is fixedly connected with the support plate (4) and the partition plate (5).

7. The flue according to claim 6, wherein the flue coaming (2), the support plate (4) and the outer ring of the partition plate (5) are provided with inner liners (6).