阅读说明：本技术 一种基于装配式钢质隔热防排烟风管板材结构 (Based on assembled steel is thermal-insulated prevents tuber pipe plate structure of discharging fume ) 是由 任磊 吕伟烈 于 2021-06-28 设计创作，主要内容包括：本发明提供一种基于装配式钢质隔热防排烟风管板材结构,涉及建筑防烟排烟技术领域,解决了现有装置在对接成圆柱形后对接处密封性能较弱,不能够通过结构上的改进提高对接处的密封性能的问题。一种基于装配式钢质隔热防排烟风管板材结构,包括外金属层；所述外金属层为铁质板材结构。所述微孔发泡材料层为矩形结构,且微孔发泡材料层的长度大于外金属层、石膏层和内金属层的长度,并且当外金属层头端和尾端对接并紧固后微孔发泡材料层的头端和尾端呈弹性接触状。(The invention provides an assembled steel heat-insulation smoke-control air duct plate structure, relates to the technical field of smoke control and smoke control of buildings, and solves the problems that the sealing performance of a butt joint is weak after the existing device is butted into a cylinder, and the sealing performance of the butt joint cannot be improved through structural improvement. A plate structure based on an assembled steel heat-insulation smoke-exhaust-prevention air pipe comprises an outer metal layer; the outer metal layer is of an iron plate structure. The micropore foaming material layer is the rectangle structure, and the length on micropore foaming material layer is greater than the length of outer metal level, gypsum layer and interior metal level to the head end and the tail end that are the elastic contact form of micropore foaming material layer after outer metal level head end and tail end butt joint and fastening.)

1. The utility model provides a prevent exhaust fume tuber pipe plate structure based on assembled steel is thermal-insulated which characterized in that: comprises an outer metal layer;

the outer metal layer is of an iron plate structure;

the outer metal layer includes:

the bulges A are welded on the top end surface of the outer metal layer in a linear array manner, are of a semi-arc structure, and form a bending protection structure of the outer metal layer;

a fixed structure mounted on the outer metal layer;

the fixing structure includes:

the clamping groove is formed in the baffle A and is of a semi-cylindrical groove-shaped structure;

the joint is protruding, and the joint arch is welded on fixing bolt for annular array form, and joint arch and draw-in groove phase-match to the joint arch is the elasticity joint form with the draw-in groove after fixing bolt screws up with lock nut.

2. The assembled steel heat-insulation smoke-prevention air duct plate structure based on the claim 1 is characterized in that: outer metal level bottom face is provided with the gypsum layer, and the gypsum layer passes through the fire prevention adhesive and attaches on outer metal level to the gypsum layer has constituteed the thermal-insulated structure of outer metal level.

3. The assembled steel heat-insulation smoke-prevention air duct plate structure based on the claim 2 is characterized in that: the gypsum layer bottom face is provided with the micropore foaming material layer, and the micropore foaming material layer passes through the fire prevention sticky and attaches at gypsum layer bottom face to the micropore foaming material layer has constituteed the second heat-insulating structure of outer metal level.

4. The assembled steel heat-insulation smoke-control air duct plate structure based on the claim 3 is characterized in that: the bottom end face of the microporous foaming material layer is provided with an inner metal layer, the inner metal layer is adhered to the bottom end face of the microporous foaming material layer through a fireproof adhesive, and the inner metal layer is of a high-temperature-resistant plate structure.

5. The assembled steel heat-insulation smoke-control air duct plate structure based on the claim 5 is characterized in that: the micropore foaming material layer is the rectangle structure, and the length on micropore foaming material layer is greater than the length of outer metal level, gypsum layer and interior metal level to the head end and the tail end that are the elastic contact form of micropore foaming material layer after outer metal level head end and tail end butt joint and fastening.

6. The assembled steel heat-insulation smoke-control air duct plate structure based on the claim 5 is characterized in that: the inner metal layer includes:

the bulges B are arranged on the bottom end surface of the inner metal layer in a linear array shape and are of a semi-cylindrical structure; the bottom end face of the inner metal layer is plated with a zinc coating, and the protrusions B form an expansion structure of the contact area of the zinc coating and the inner metal layer.

7. The assembled steel heat-insulating smoke-preventing air duct plate structure based on claim 7, wherein: the inner metal layer further includes:

the groove is formed in the bottom end face of the inner metal layer and is of a rectangular groove-shaped structure;

the fixture block is welded on the inner metal layer and is of a rectangular fast structure; the fixture block is matched with the groove, and the fixture block and the groove are clamped when the head end and the tail end of the inner metal layer are in butt joint.

8. The assembled steel heat-insulation smoke-prevention air duct plate structure based on the claim 1 is characterized in that: the fixing structure includes:

the number of the fixing bolts is three, and the three fixing bolts are all inserted on the outer metal layer;

the baffle A is of a rectangular plate-shaped structure and is welded on the outer metal layer, and the baffle A is in elastic contact with the fixing bolt;

the number of the locking nuts is three, and the three locking nuts are respectively in threaded connection with the three fixing bolts;

and the baffle B is welded on the outer metal layer and is of a rectangular plate-shaped structure, and the baffle B is in contact with the locking nut.

Technical Field

The invention belongs to the technical field of smoke prevention and exhaust of buildings, and particularly relates to a plate structure based on an assembled steel heat-insulation smoke prevention and exhaust air pipe.

Background

The air duct is a pipeline system for conveying and distributing air, and comprises a composite air duct and an inorganic air duct; the smoke exhaust air pipe is just an air pipe for exhausting smoke as the name implies; such ducts require a strong thermal insulation and resistance.

As disclosed in publication No.: CN209851728U provides a fire-resistant thermal-insulated smoke prevention tuber pipe board that discharges fume of steel, including outer metal level, micropore foam material layer, inorganic material layer and the interior metal level that superposes in proper order, interior metal level bonds through fire-proof glue with inorganic material layer, and the inorganic material layer is one of gypsum board, cement foam board, silicate series panel, glass magnesium board, sulphur oxygen magnesium board. The steel fire-resistant heat-insulating smoke-exhaust-preventing air pipe plate provided by the utility model has the advantages that the composite air pipe plate is protected by the metal layers on the upper surface and the lower surface, and the integral strength of the composite air pipe plate is improved; the inorganic material layer is close to the inner side of the smoke prevention and exhaust air pipe, so that the fire resistance duration of the smoke prevention and exhaust air pipe can be prolonged, and the structural integrity of the smoke prevention and exhaust air pipe is ensured and maintained after the smoke prevention and exhaust air pipe is fire-resistant for a long time; the micropore foaming material layer is close to the outside of the smoke exhaust preventing air pipe, so that the micropore foaming material layer can ensure the fire resistance of the smoke exhaust preventing air pipe system, and can effectively isolate the heat transfer from the inside of the smoke exhaust preventing air pipe to the outside.

The flue pipe plate structure similar to the above application has the following disadvantages at present:

one is that the sealing performance of the butt joint is weaker after the existing device is butted into a cylinder, and the sealing performance of the butt joint cannot be improved through structural improvement; furthermore, the existing device cannot realize the elastic anti-loosening of the fixing bolt through structural improvement.

In view of the above, the present invention provides a plate structure of an assembled steel heat-insulating and smoke-discharging-preventing air duct, which is improved based on the existing structure and defects, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a plate structure of an assembled steel heat-insulation smoke-exhaust-prevention air pipe, which aims to solve the problems that the existing device has weaker sealing performance at a butt joint part after being butted into a cylinder shape and cannot improve the sealing performance at the butt joint part through structural improvement in the prior art; furthermore, the existing device can not realize the problem of elastic looseness prevention of the fixing bolt through structural improvement.

The invention relates to a purpose and an effect based on an assembled steel heat-insulation smoke-exhaust-prevention air duct plate structure, which are achieved by the following specific technical means:

a plate structure based on an assembled steel heat-insulation smoke-exhaust-prevention air pipe comprises an outer metal layer;

the outer metal layer is of an iron plate structure;

the outer metal layer includes:

the bulges A are welded on the top end surface of the outer metal layer in a linear array manner, are of a semi-arc structure, and form a bending protection structure of the outer metal layer;

a fixed structure mounted on the outer metal layer.

Further, the inner metal layer further includes:

the groove is formed in the bottom end face of the inner metal layer and is of a rectangular groove-shaped structure;

the fixture block is welded on the inner metal layer and is of a rectangular fast structure; the fixture block is matched with the groove, and the fixture block and the groove are clamped when the head end and the tail end of the inner metal layer are in butt joint.

Further, the fixing structure includes:

the number of the fixing bolts is three, and the three fixing bolts are all inserted on the outer metal layer;

the baffle A is of a rectangular plate-shaped structure and is welded on the outer metal layer, and the baffle A is in elastic contact with the fixing bolt;

the number of the locking nuts is three, and the three locking nuts are respectively in threaded connection with the three fixing bolts;

and the baffle B is welded on the outer metal layer and is of a rectangular plate-shaped structure, and the baffle B is in contact with the locking nut.

Further, the fixing structure further includes:

the clamping groove is formed in the baffle A and is of a semi-cylindrical groove-shaped structure;

the joint is protruding, and the joint arch is welded on fixing bolt for annular array form, and joint arch and draw-in groove phase-match to the joint arch is the elasticity joint form with the draw-in groove after fixing bolt screws up with lock nut.

Further, outer metal level bottom end face is provided with the gypsum layer, and the gypsum layer passes through the fire prevention adhesive and attaches on outer metal level to the gypsum layer has constituteed the thermal-insulated structure of outer metal level.

Further, the bottom end face of the gypsum layer is provided with a microporous foam material layer, the microporous foam material layer is adhered to the bottom end face of the gypsum layer through a fireproof adhesive, and the microporous foam material layer forms a second heat insulation structure of the outer metal layer.

Furthermore, an inner metal layer is arranged on the bottom end face of the microporous foaming material layer, the inner metal layer is adhered to the bottom end face of the microporous foaming material layer through fireproof glue, and the inner metal layer is of a high-temperature-resistant plate structure.

Further, the microcellular foam material layer is rectangular structure, and the length of microcellular foam material layer is greater than the length of outer metal level, gypsum layer and interior metal level to the head end and the tail end of microcellular foam material layer are elastic contact form after outer metal level head end and tail end butt joint and fastening.

Further, the inner metal layer includes:

the bulges B are arranged on the bottom end surface of the inner metal layer in a linear array shape and are of a semi-cylindrical structure; the bottom end face of the inner metal layer is plated with a zinc coating, and the protrusions B form an expansion structure of the contact area of the zinc coating and the inner metal layer.

Compared with the prior art, the invention has the following beneficial effects:

through the setting of micropore foaming material layer, because of micropore foaming material layer is the rectangle structure, and the length of micropore foaming material layer is greater than the length of outer metal level, gypsum layer and interior metal level to head end and the tail end of micropore foaming material layer are the elastic contact form after outer metal level head end and tail end butt joint and fastening, thereby can improve the sealing performance of butt joint department.

Through the arrangement of the fixing structure, firstly, the baffle A is in a rectangular plate-shaped structure, the baffle A is welded on the outer metal layer, and the baffle A is in elastic contact with the fixing bolt, so that the anti-loosening performance of the fixing bolt can be improved;

secondly, the baffle B is welded on the outer metal layer and is in a rectangular plate-shaped structure, and the baffle B is in contact with the locking nut, so that the rotation limit of the locking nut can be realized, and the convenience in fastening the locking nut is improved;

and thirdly, the clamping protrusions are welded on the fixing bolt in an annular array mode and matched with the clamping grooves, and the clamping protrusions and the clamping grooves are elastically clamped after the fixing bolt is screwed down with the locking nut, so that elastic looseness prevention of the fixing bolt can be achieved.

Due to the arrangement of the inner metal layer, the fixture block is welded on the inner metal layer and is in a rectangular fast structure; the fixture block is matched with the groove, and the fixture block and the groove are in clamping connection when the head end and the tail end of the inner metal layer are in butt joint, so that the tightness of the butt joint of the inner metal layer is improved.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic front view of the present invention.

Fig. 3 is an enlarged schematic view of fig. 2 at a.

Fig. 4 is an enlarged schematic view of fig. 2B according to the present invention.

Fig. 5 is a schematic axial view of the present invention in another direction of fig. 1.

Fig. 6 is an enlarged view of the structure of fig. 5C according to the present invention.

Fig. 7 is an axial view of the present invention in a disassembled configuration.

Fig. 8 is an enlarged view of fig. 7D according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an outer metal layer; 101. a protrusion A; 2. a gypsum layer; 3. a microporous foam layer; 4. an inner metal layer; 401. a protrusion B; 402. a groove; 403. a clamping block; 5. a fixed structure; 501. fixing the bolt; 502. locking the nut; 503. a baffle A; 504. a baffle B; 505. a card slot; 506. clamping the bulges; 6. and (4) a zinc coating.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides an assembled steel heat-insulation smoke-exhaust-prevention air duct plate structure, which comprises an outer metal layer 1;

the outer metal layer 1 is of an iron plate structure;

the outer metal layer 1 includes:

the bulges A101 are welded on the top end surface of the outer metal layer 1 in a linear array manner, the bulges A101 are of a semi-arc structure, and the bulges A101 form a bending protection structure of the outer metal layer 1, so that the deformation protection capability of the outer metal layer 1 can be improved through the bulges A101, and the weight of the bulges A101 of the semi-arc structure can be reduced;

and a fixing structure 5, wherein the fixing structure 5 is installed on the outer metal layer 1.

Referring to fig. 5, the bottom end surface of the outer metal layer 1 is provided with a gypsum layer 2, the gypsum layer 2 is adhered to the outer metal layer 1 through a fire-proof glue, and the gypsum layer 2 constitutes the heat insulation structure of the outer metal layer 1.

By adopting the technical scheme, the heat insulation of the outer metal layer 1 can be realized.

Referring to fig. 5, the bottom end face of the gypsum layer 2 is provided with a microporous foam material layer 3, and the microporous foam material layer 3 is adhered to the bottom end face of the gypsum layer 2 by a fireproof adhesive, and the microporous foam material layer 3 constitutes a second heat insulation structure of the outer metal layer 1.

By adopting the technical scheme, the heat insulation effect of the outer metal layer 1 can be further improved.

Referring to fig. 2, the inner metal layer 4 is disposed on the bottom end surface of the microcellular foam material layer 3, the inner metal layer 4 is adhered to the bottom end surface of the microcellular foam material layer 3 by a fireproof adhesive, and the inner metal layer 4 is a high temperature resistant plate structure.

Referring to fig. 2 and 3, the microcellular foam material layer 3 has a rectangular structure, and the length of the microcellular foam material layer 3 is greater than the lengths of the outer metal layer 1, the gypsum layer 2, and the inner metal layer 4, and the head end and the tail end of the microcellular foam material layer 3 are in elastic contact when the head end and the tail end of the outer metal layer 1 are butted and fastened.

By adopting the technical scheme, the sealing performance of the butt joint can be improved.

Referring to fig. 3, the inner metal layer 4 includes:

the bulges B401 are arranged on the bottom end surface of the inner metal layer 4 in a linear array shape, and the bulges B401 are of a semi-cylindrical structure; the bottom end face of the inner metal layer 4 is plated with a zinc coating 6, and the protrusions B401 form an expanded structure of the contact area between the zinc coating 6 and the inner metal layer 4.

By adopting the technical scheme, the adhesive strength of the zinc coating 6 and the inner metal layer 4 can be improved.

Referring to fig. 2, the inner metal layer 4 further includes:

the groove 402 is formed in the bottom end face of the inner metal layer 4, and the groove 402 is of a rectangular groove-shaped structure;

the fixture block 403 is welded on the inner metal layer 4, and the fixture block 403 is in a rectangular fast structure; the latch 403 is matched with the groove 402, and when the head end and the tail end of the inner metal layer 4 are butted, the latch 403 is in a clamping shape with the groove 402.

By adopting the technical scheme, the sealing property of the inner metal layer 4 in butt joint is improved.

Referring to fig. 7, the fixing structure 5 includes:

three fixing bolts 501 are arranged, and the three fixing bolts 501 are inserted on the outer metal layer 1;

the baffle A503 is of a rectangular plate-shaped structure, the baffle A503 is welded on the outer metal layer 1, and the baffle A503 is in elastic contact with the fixing bolt 501.

By adopting the technical scheme, the anti-loosening performance of the fixing bolt 501 can be improved;

three locking nuts 502 are arranged, and the three locking nuts 502 are respectively in threaded connection with the three fixing bolts 501;

and the baffle B504, wherein the baffle B504 is welded on the outer metal layer 1, the baffle B504 is in a rectangular plate-shaped structure, and the baffle B504 is in contact with the locking nut 502.

By adopting the technical scheme, the rotation limiting of the locking nut 502 can be realized, and the convenience of fastening the locking nut 502 is further improved.

Referring to fig. 7 and 8, the fixing structure 5 further includes:

the clamping groove 505 is formed in the baffle A503, and the clamping groove 505 is of a semi-cylindrical groove-shaped structure;

clamping protrusions 506 are welded on the fixing bolt 501 in an annular array, the clamping protrusions 506 are matched with the clamping grooves 505, and the clamping protrusions 506 are elastically clamped with the clamping grooves 505 after the fixing bolt 501 and the locking nut 502 are screwed down.

By adopting the technical scheme, the elastic anti-loosening of the fixing bolt 501 can be realized.

In another embodiment, the protrusions B401 have a wave-shaped structure, so that the contact area of the inner metal layer 4 and the zinc coating layer 6 can be further expanded.

The specific use mode and function of the embodiment are as follows:

during connection, firstly, the baffle A503 is in a rectangular plate-shaped structure, the baffle A503 is welded on the outer metal layer 1, and the baffle A503 is in elastic contact with the fixing bolt 501, so that the anti-loosening performance of the fixing bolt 501 can be improved; secondly, the baffle B504 is welded on the outer metal layer 1, the baffle B504 is in a rectangular plate-shaped structure, and the baffle B504 is in contact with the locking nut 502, so that the rotation limit of the locking nut 502 can be realized, and the convenience in fastening the locking nut 502 is improved; thirdly, as the clamping protrusions 506 are welded on the fixing bolt 501 in an annular array, the clamping protrusions 506 are matched with the clamping grooves 505, and the clamping protrusions 506 are elastically clamped with the clamping grooves 505 after the fixing bolt 501 and the locking nut 502 are screwed, the fixing bolt 501 can be elastically prevented from loosening; fourthly, as the fixture block 403 is welded on the inner metal layer 4, the fixture block 403 is in a rectangular fast structure; the fixture block 403 is matched with the groove 402, and when the head end and the tail end of the inner metal layer 4 are in butt joint, the fixture block 403 is in clamping connection with the groove 402, so that the tightness of the butt joint of the inner metal layer 4 is improved; fifthly, because of microcellular foam material layer 3 is the rectangle structure, and microcellular foam material layer 3's length is greater than outer metal level 1, gypsum layer 2 and inner metal layer 4's length to the head end and the tail end that are the elastic contact form of microcellular foam material layer 3 after outer metal level 1 head end and tail end butt joint and fastening, thereby can improve the sealing performance of butt joint department.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.