CN215442932U - Smoke exhaust pipeline capable of being mutually butted and inserted - Google Patents

Abstract

The utility model discloses a smoke exhaust pipeline capable of being butted and inserted mutually, which comprises smoke exhaust pipeline bodies capable of being butted together up and down, wherein the upper end and the lower end of the smoke exhaust pipeline body relatively positioned at an even number position or an odd number position are inwards concave along the end wall to form a mortise, the upper end and the lower end of the smoke exhaust pipeline body relatively positioned at the odd number position or the even number position are outwards extended from outside to inside along the end wall to form a tenon, and the upper and lower adjacent smoke exhaust pipeline bodies are correspondingly spliced together with the mortise through the tenons at the end port edges of the smoke exhaust pipeline bodies. The direct butt joint part of the upper and lower exhaust gas pipelines can be positioned at any position of a floor, so that the construction and installation are convenient, the construction efficiency is high, the height of the exhaust gas pipelines can be uniformly manufactured no matter the height of the floor, the height of a single exhaust gas pipeline is effectively reduced, the machining is convenient, the production efficiency is improved, the product quality is ensured, the hoisting and the transportation are convenient, and the exhaust gas pipelines are not easy to break in the hoisting and transportation processes.

Description

Smoke exhaust pipeline capable of being mutually butted and inserted

Technical Field

The utility model relates to a smoke exhaust pipeline which is shared by buildings and can be mutually butted and inserted.

Background

The existing smoke exhaust pipeline shared by buildings is generally of a square tubular structure, the height of the smoke exhaust pipeline of the structure is generally consistent with the height of a floor, the height is generally more than 2.7 m, the smoke exhaust pipeline is limited by the existing processing technology and construction technology, the direct butt joint part of the upper smoke exhaust pipeline and the lower smoke exhaust pipeline must be positioned in the plane of the floor, the integral single section of smoke exhaust pipeline is too high and is inconsistent with the heights of different buildings, the single section of smoke exhaust pipeline can only be manually operated when being manufactured, the production efficiency is low, meanwhile, the yield and the quality of products are difficult to guarantee as the smoke exhaust pipeline is a thin-wall cement product, and the construction efficiency is low as the integral single section of smoke exhaust pipeline is too high, the hoisting, the transportation and the construction and installation are inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a smoke exhaust pipeline which is convenient to construct and install, has high construction efficiency and can be mutually butted and inserted.

The structure of the smoke exhaust pipeline is characterized in that the upper end and the lower end of the smoke exhaust pipeline body which are relatively positioned at an even number position or an odd number position are inwards concave along the end wall to form a mortise, the upper end and the lower end of the smoke exhaust pipeline body which are relatively positioned at the odd number position or the even number position are outwards extended from outside to inside along the end wall to form a tenon, and the upper and the lower adjacent smoke exhaust pipeline bodies are correspondingly spliced together with the mortise through the tenons at the end port edges of the upper and the lower adjacent smoke exhaust pipeline bodies.

The tenon comprises an outer butt joint edge which is horizontally inward along the outer wall surface of the smoke exhaust pipeline body, an outer lap joint inclined plane which extends to the end port edge is outwards extended inwards along the opposite inner end of the outer butt joint edge, and the inner wall surface of the tenon extends along the inner wall surface of the smoke exhaust pipeline body; the mortise comprises an inner butt joint edge which horizontally extends outwards along the inner wall surface of the smoke exhaust pipeline body, an inner lap joint inclined plane which extends to the end port edge outwards extends outwards along the outer end opposite to the inner butt joint edge, and the outer wall surface of the mortise extends along the outer wall surface of the smoke exhaust pipeline body.

And reinforcing ribs integrated with the smoke exhaust pipeline body are arranged at the inner corners of the smoke exhaust pipeline body.

A blind hole is formed in one side wall of the smoke exhaust pipeline body from outside to inside.

The wall thickness of the inner wall of the blind hole is 1/3-1/2 of the wall thickness of the side wall of the blind hole.

The height of the smoke exhaust pipeline body is 250-800 mm.

One side wall of the smoke exhaust pipeline body is provided with a through hole.

After the structure is adopted, the smoke exhaust pipeline bodies which are adjacent up and down are correspondingly inserted into the mortise through the tenons at the edge of the end ports, the direct butt joint parts of the upper smoke exhaust pipeline and the lower smoke exhaust pipeline can be positioned at any position of a floor, so that the construction and installation are convenient, the construction efficiency is high, the smoke exhaust pipeline can be manufactured uniformly no matter the height of the floor, the height of a single section of smoke exhaust pipeline is effectively reduced, the mechanical processing is convenient, the production efficiency is improved, the product quality is ensured, the hoisting and the transportation are convenient, and the smoke exhaust pipeline bodies are not easy to break in the hoisting and transportation processes; simultaneously because the tip mouth edge department of upper and lower adjacent exhaust gas pipeline body sets up the tenon and corresponds the grafting structure with the tongue-and-groove, exhaust gas pipeline butt joint position after the installation is difficult for the dislocation, and butt joint position leakproofness is good, and during the use, the exhaust gas pipeline can not appear the string cigarette, the string of flavor phenomenon, also can not appear falling the cigarette phenomenon.

Drawings

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:

FIG. 1 is a schematic longitudinal sectional view of a flue gas discharging duct body according to the present invention;

FIG. 2 is a schematic end view of the top view of FIG. 1;

FIG. 3 is a schematic view of the cross-section A-A of FIG. 2;

FIG. 4 is a schematic longitudinal sectional view of another smoke exhaust duct body according to the present invention;

FIG. 5 is a schematic end view of the top view of FIG. 4;

FIG. 6 is a schematic view of the cross-sectional structure B-B of FIG. 5;

FIG. 7 is a schematic structural view of the upper and lower smoke exhaust pipes butted and inserted together.

Detailed Description

Referring to the attached drawings, the smoke exhaust pipeline capable of being butted and inserted mutually comprises smoke exhaust pipeline bodies 1 which can be butted together up and down, the upper end and the lower end of each smoke exhaust pipeline body 1 which is relatively positioned at an even number position or an odd number position are inwards concave along the end wall to form a mortise, the upper end and the lower end of each smoke exhaust pipeline body 1 which is relatively positioned at an odd number position or an even number position are outwards extended from outside to inside along the end wall to form a tenon, and in the construction and installation process, the smoke exhaust pipeline bodies 1 with the mortises or the tenons are arranged at intervals up and down, so that the smoke exhaust pipeline bodies 1 which are adjacent up and down are correspondingly spliced together with the mortises through the tenons at the end port edges of the smoke exhaust pipeline bodies.

Referring to fig. 1-3, a flue gas exhaust duct body 1 with a tenon is provided, the tenon comprises an outer butt joint edge 4 horizontally inward along the outer wall surface of the flue gas exhaust duct body 1, an outer lap joint inclined plane 5 extending to an end port edge is extended inwards along the opposite inner end of the outer butt joint edge 4, the opposite inner wall surface of the tenon is the inner wall surface of the flue gas exhaust duct body 1, the inner wall surface of the tenon extends along the inner wall surface of the flue gas exhaust duct body 1, and the thickness of the butt joint top edge 4 is 1/3-1/2 of the wall thickness of the side wall. Referring to fig. 4-6, for the exhaust duct body 1 with tongue-and-groove, this tongue-and-groove includes along the horizontal outside inside butt joint of exhaust duct body 1 internal wall along 7, along the inside butt joint along 7 relative outer ends outwards overhanging have extend to the inside overlap bevel 6 that the tip mouth was followed, the relative internal wall of tongue-and-groove is the internal wall of exhaust duct body 1, the tongue-and-groove external wall extends along the exhaust duct body 1 outer wall, the thickness of butt joint end edge 7 is 1/3-1/2 of this side lateral wall thickness, the inside overlap bevel 6 of tongue-and-groove corresponds the setting with the outside overlap bevel 5 of tenon. The end parts of the exhaust pipeline body 1 are respectively arranged to be mortises or tenons, the tenons and the mortises adopt corresponding structural designs of inner and outer lap joint inclined planes, the exhaust pipeline is more convenient to butt joint up and down, and the tenons and the mortises are not easy to break.

During actual production, reinforcing ribs 2 integrated with the exhaust pipeline body are arranged at the inner corners of the exhaust pipeline body 1 to enhance the strength of the exhaust pipeline, the cross section of each reinforcing rib 2 is triangular or inner arc, the integrated structure can be integrally formed when the exhaust pipeline body 1 is machined, the reinforcing ribs 2 can be machined at the inner corners of the exhaust pipeline body 1 after the exhaust pipeline body 1 is machined and formed, the reinforcing ribs 2 can be formed independently, and the reinforcing ribs 2 can be fixed at the inner corners of the exhaust pipeline body 1 by a sticking method. A blind hole 3 is formed in one side wall of the smoke exhaust pipeline body 1 from outside to inside, a range hood or an exhaust fan can be conveniently installed as required, the wall thickness of the inner wall of the blind hole 3 is 1/3-1/2 of the wall thickness of the side wall, and the blind hole 3 can also be a through hole. The height of the exhaust gas pipeline body 1 is 250-800 mm, and the height of the exhaust gas pipeline body 1 is determined according to practical conditions, so that the exhaust gas pipeline is convenient to machine, the production efficiency is further improved, and meanwhile, the exhaust gas pipeline is convenient to transport and install.

Referring to fig. 7, in the process of construction and installation, the smoke exhaust pipeline bodies which are adjacent up and down can be correspondingly inserted and connected together through the tenons and the mortises at the end port edges of the smoke exhaust pipelines, namely, after the smoke exhaust pipeline with the mortises at two ends is inserted and connected with the smoke exhaust pipeline with the tenons at two ends, the smoke exhaust pipeline with the mortises at two ends is inserted and connected with the mortises at two ends, and so on, the direct butt joint part of the upper smoke exhaust pipeline and the lower smoke exhaust pipeline can be positioned at any position of a floor, so that the height of the smoke exhaust pipeline can be uniformly manufactured no matter the height of the floor, the height of the single smoke exhaust pipeline is effectively reduced, the mechanical processing is facilitated, the production efficiency is improved, the product quality is ensured, and the smoke exhaust pipeline is not easy to break in the process of hoisting and transportation.

The butt joint interface is formed by increasing the wall thickness of the inner walls of the end heads at two ends of the smoke exhaust pipeline body 1 in the prior art, the smoke exhaust pipeline with the structure cannot be integrally demoulded along the length direction of the pipeline and is difficult to machine, the wall thickness specification of the smoke exhaust pipeline needs to be manufactured according to the requirement of the national standard, the end part is thickened inwards, so that the inner diameter is reduced to be not up to the requirement of the minimum circulation sectional area specification of the national standard, and the specification of the ventilation standard cannot be met. The inner wall surface of the tenon extends along the inner wall surface of the smoke exhaust pipeline body 1, and the outer wall surface of the mortise extends along the outer wall surface of the smoke exhaust pipeline body 1, so that the inner wall surface and the outer wall surface of the smoke exhaust pipeline body 1 are parallel, and the mechanical processing is convenient.

Claims (7)

1. The utility model provides a can mutual butt joint cartridge's exhaust flue, can be from top to bottom mutual butt joint exhaust flue pipeline body (1) together, characterized by relative position in even number position or the exhaust flue pipeline body (1) of odd number position upper and lower extreme inwards recess along its end wall and form the tongue-and-groove, relative position in odd number position or the exhaust flue pipeline body (1) of even number position upper and lower extreme outwards stretches out along its end wall from outside to inside and forms the tenon, upper and lower adjacent exhaust flue pipeline body (1) correspond the grafting together with the tongue-and-groove through the tenon of self tip mouth edge department.

2. The flue gas discharging pipe capable of being butted and inserted mutually according to claim 1, wherein the tenon comprises an outer butting edge (4) horizontally inwards along the outer wall surface of the flue gas discharging pipe body (1), an outer lap joint inclined plane (5) extending to the end port edge is outwards extended inwards along the opposite inner end of the outer butting edge (4), and the inner wall surface of the tenon extends along the inner wall surface of the flue gas discharging pipe body (1); the mortise comprises an inner butt joint edge (7) which horizontally extends outwards along the inner wall surface of the smoke exhaust pipeline body (1), an inner lap joint inclined plane (6) which extends to the end opening edge is outwards extended outwards along the outer end of the inner butt joint edge (7), and the outer wall surface of the mortise extends along the outer wall surface of the smoke exhaust pipeline body (1).

3. The exhaust flue capable of being butted and inserted mutually according to claim 1, wherein the inner corners of the exhaust flue body (1) are provided with reinforcing ribs (2) which are integrated with the exhaust flue body.

4. The flue gas discharging pipe capable of being inserted in a mutual butt joint mode according to any one of claims 1 to 3, wherein a blind hole (3) is formed in one side wall of the flue gas discharging pipe body (1) from outside to inside.

5. The flue gas discharging pipe capable of being inserted in the mutual butt joint mode according to the claim 4, wherein the wall thickness of the inner wall of the blind hole (3) is 1/3-1/2 of the wall thickness of the side wall.

6. The flue gas discharging pipe capable of being butted and inserted mutually according to claim 4, wherein the height of the flue gas discharging pipe body (1) is 250-800 mm.

7. The flue gas discharging pipe capable of being inserted in a mutual butt joint mode according to any one of claims 1 to 3, wherein a through hole is formed in one side wall of the flue gas discharging pipe body (1).

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