CN215802936U

CN215802936U - Commercial smoke exhaust duct

Info

Publication number: CN215802936U
Application number: CN202120798721.7U
Authority: CN
Inventors: 李智斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-02-11
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to a commercial smoke exhaust pipeline which comprises a plurality of pipe body splicing monomers and a splicing structure, wherein the pipe body splicing monomers are sequentially spliced through the splicing structure to form the commercial smoke exhaust pipeline, and each pipe body splicing monomer comprises a metal lining and a cement outer layer covering the surface of the metal lining. The commercial smoke exhaust pipeline is formed by splicing a plurality of pipe body splicing monomers through a splicing structure, and is convenient to process and install. Wherein body concatenation monomer comprises metal inside lining and cement skin, and the metal inside lining can satisfy the cooling and flow out the demand of oil smoke attachment, and the cement skin can increase pipeline thickness, strengthens its rigidity, reduces the thickness of metal inside lining to practice thrift the cost, simultaneously, because the outer cladding of cement, the metal inside lining can obtain better protection, avoids rustting, increases the life of pipeline.

Description

Commercial smoke exhaust duct

Technical Field

The utility model belongs to the technical field of flue gas pipelines, and particularly relates to a commercial flue gas pipeline.

Background

At present, the smoke exhaust duct for commercial use is generally made of metal materials with smooth wall surfaces, because oil smoke substances are easy to attach to the inner wall of the duct, and the cement duct is easy to crack at high temperature, so that the cement duct can not be used for commercial use when used in a house, and meanwhile, the grease in the cement duct is easy to hang on the wall. The metal smoke exhaust pipeline has the defects of high production cost, poor heat insulation and noise reduction effects, easy rusting and short service life.

Disclosure of Invention

The utility model provides a commercial smoke exhaust pipeline which is used for solving the technical problem that a metal smoke exhaust pipeline in the prior art is high in cost.

The utility model discloses a commercial smoke exhaust pipeline which comprises a plurality of pipe body splicing monomers and a splicing structure, wherein the pipe body splicing monomers are sequentially spliced through the splicing structure to form the commercial smoke exhaust pipeline, and each pipe body splicing monomer comprises a metal lining and a cement outer layer covering the surface of the metal lining.

Preferably, the mosaic structure includes tenon seat and mortise seat, the tenon seat is located the free pipe channel one end of body concatenation, the mortise seat is located the free pipe channel other end of body concatenation.

Preferably, the metal lining is a first tubular structure with four sealed sides surrounding a smoke exhaust channel, and the cement outer layer is a second tubular structure with four sides attached to the first tubular structure.

Preferably, the tenon seat and the mortise seat are both arranged on the outer cement layer.

Preferably, the tenon seat comprises a first base body and a protruding seat body extending outwards along the smoke exhaust channel, and the mortise seat comprises a second base body and a recessed seat body extending inwards along the smoke exhaust channel.

Preferably, one end of the first tubular structure is aligned with the protruding end of the protruding seat body, and the other end of the first tubular structure is aligned with the recessed end of the recessed seat body.

Preferably, the thickness of the outer cement layer is thicker than the thickness of the metal lining.

Preferably, the outer wall of the cement outer layer is provided with a groove, and the commercial smoke exhaust pipeline further comprises a metal support column, wherein the metal support column is accommodated in the groove.

According to the embodiment of the utility model, the commercial smoke exhaust pipeline is formed by splicing a plurality of pipe body splicing monomers through the splicing structure, and is convenient to process and install. Wherein body concatenation monomer comprises metal inside lining and cement skin, the metal inside lining can satisfy the demand of cooling and outflow oil smoke attachment, the cement skin can increase pipeline thickness, strengthen its rigidity, reduce the thickness of metal inside lining, in order to practice thrift the cost, simultaneously, because the outer cladding of cement, the metal inside lining can obtain better protection, avoid rustting, increase the life of pipeline, the cement skin that is in the surface can whitewash or the tiling, can reach better decorative effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic cross-sectional view of a commercial flue pipe of the present invention;

FIG. 2 is a schematic view of a pipe splicing unit of the commercial flue gas duct of the present invention;

FIG. 3 is a schematic cross-sectional view of a single body for splicing the tubes of a commercial smoke exhaust duct of the present invention.

Description of the main element symbols:

10. splicing the pipe bodies into a single body; 20. splicing structures; 11. a metal liner; 12. an outer layer of cement; 21. a tenon seat; 22. a mortise seat; 211. a first base body; 212. a convex base body; 221. a second base body; 222. a concave seat body.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a commercial smoke exhaust pipeline, which comprises a plurality of pipe splicing monomers 10 and a splicing structure 20, wherein the plurality of pipe splicing monomers 10 are sequentially spliced by the splicing structure 20 to form the commercial smoke exhaust pipeline, and each pipe splicing monomer 10 comprises a metal lining 11 and a cement outer layer 12 coated on the surface of the metal lining 11.

Compared with the prior art, the commercial smoke exhaust pipeline is formed by splicing a plurality of pipe body splicing single bodies 10 through the splicing structure 20, and is convenient to process and install. Wherein body concatenation monomer 10 comprises metal inside lining 11 and cement outer 12, metal inside lining 11 can satisfy the cooling and flow out the demand of oil smoke attachment, cement outer 12 can increase pipeline thickness, strengthen its rigidity, reduce metal inside lining 11's thickness, with the saving cost, and simultaneously, because the cladding of cement outer 12, metal inside lining 11 can obtain better protection, avoid rustting, increase the life of pipeline, the cement outer layer that is in the surface can whitewash or the tiling, can reach better decorative effect.

In this embodiment, the splicing structure 20 includes a tenon seat 21 and a mortise seat 22, the tenon seat 21 is disposed at one end of the pipe channel of the pipe splicing unit 10, and the mortise seat 22 is disposed at the other end of the pipe channel of the pipe splicing unit 10. In the up-and-down connected pipe body splicing single bodies 10, the tenon seat 21 of the upper layer pipe body splicing single body 10 is inserted into the tenon groove seat 22 of the lower layer pipe body splicing single body 10, so that connection between the pipe body splicing single bodies 10 is realized, the connection mode is easy to operate, and the construction efficiency can be greatly improved.

In this embodiment, the metal lining 11 is a first tubular structure with four sealed sides to form a smoke exhaust channel, and the outer cement layer 12 is a second tubular structure with four sides attached to the first tubular structure. The metal lining 11 is sealed, so that the smoke can be effectively prevented from leaking, and the outer layer 12 of cement is completely attached to the metal lining 11, so that the rigidity of the metal lining 11 is better improved.

In the present embodiment, the tenon seat 21 and the mortise seat 22 are both disposed on the cement outer layer 12. The tenon seat 21 and the mortise seat 22 are formed on the outer cement layer 12, so that the use of metal materials can be further reduced, and meanwhile, the outer cement layer 12 is easy to process, so that the working efficiency is conveniently improved.

In the present embodiment, the tenon base 21 includes a first base body 211 and a protruding base body 212 extending outward along the smoke evacuation channel, and the mortise base 22 includes a second base body 221 and a recessed base body 222 extending inward along the smoke evacuation channel. One end of the first tubular structure is aligned with the protruding end of the protruding seat 212, and the other end of the first tubular structure is aligned with the recessed end of the recessed seat 222. The two ends of the metal lining 11 are aligned with the convex base 212 and the concave base 222 respectively, so that the metal lining 11 in the upper and lower pipe splicing units 10 can be completely connected up and down, and a cement contact surface which is easy to accumulate oil smoke is avoided at the middle connection section.

In this embodiment, the thickness of the outer cement layer 12 is thicker than the thickness of the metal lining 11. The thickness of the outer cement layer 12 is greater than the thickness of the metal lining 11 to ensure better rigidity of the metal lining 11 and to reduce the use of metal material.

In this embodiment, be equipped with the recess on the outer wall of cement, commercial exhaust pipe still includes the metal support post, and the metal support post holds in the recess. The metal support columns can be directly welded on the installation wall body, so that the gravity of the single pipe body splicing body is spread on the installation wall body, and the overweight of the pipeline is avoided.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In view of the above description of the technical solutions provided by the present invention, those skilled in the art will recognize that there may be variations in the technical solutions and the application ranges according to the concepts of the embodiments of the present invention, and in summary, the content of the present specification should not be construed as limiting the present invention.

Claims

1. The commercial smoke exhaust pipeline is characterized by comprising a plurality of pipe splicing monomers and a splicing structure, wherein the pipe splicing monomers are spliced to form the commercial smoke exhaust pipeline sequentially through the splicing structure, and each pipe splicing monomer comprises a metal lining and a cement outer layer coated on the surface of the metal lining.

2. The commercial smoke exhaust duct of claim 1, wherein the splicing structure comprises a tenon seat and a mortise seat, the tenon seat being provided at one end of the duct passage of the single body of pipe splicing, and the mortise seat being provided at the other end of the duct passage of the single body of pipe splicing.

3. The commercial smoke exhaust duct of claim 2, wherein said metal inner liner is a first tubular structure having four sealed sides defining a smoke exhaust channel, and said outer cement layer is a second tubular structure having four sealed sides attached to said first tubular structure.

4. The commercial smoke exhaust duct of claim 3, wherein said tenon mount and mortise mount are provided on said outer cement layer.

5. The commercial smoke exhaust duct of claim 4, wherein said tenon seat comprises a first base body and a protruding seat extending outwardly along said smoke exhaust channel, and said mortise seat comprises a second base body and a recessed seat extending inwardly along said smoke exhaust channel.

6. The commercial smoke exhaust duct of claim 5, wherein one end of said first tubular structure is aligned with a male end of said male housing and the other end of said first tubular structure is aligned with a female end of said female housing.

7. The commercial smoke exhaust duct of claim 1, wherein said outer cement layer has a thickness greater than a thickness of said inner metal liner.

8. The commercial flue pipe of claim 1 wherein the outer wall of the outer cement layer is provided with a groove, the commercial flue pipe further comprising a metal support post, the metal support post being received in the groove.