CN213391023U - Combined exhaust passage replacing traditional exhaust passage - Google Patents

Abstract

The application relates to a combined exhaust duct that replaces the traditional exhaust duct, relates to the field of exhaust ducts, and solves the problems that the traditional exhaust duct is difficult to turn and difficult to construct. It includes concrete exhaust duct and metal exhaust duct. One end of the metal exhaust duct is sealed with the concrete exhaust duct, and the other end is used to connect with the reserved opening of the building. The metal exhaust duct includes at least two straight pipe sections and a corrugated pipe section sealed between adjacent straight pipe sections, the straight pipe section close to one end of the concrete exhaust duct is sealed with the concrete exhaust duct, and the straight pipe section close to the end of the reserved opening in the building For sealing connection with building openings. The present application has the advantages of convenient installation, flexible assembly, freely adjustable angle, and adaptation to different indoor environments.

Description

Combined exhaust passage replacing traditional exhaust passage

Technical Field

The application relates to the field of exhaust pipelines, in particular to a combined exhaust passage replacing a traditional exhaust passage.

Background

The exhaust duct is a chimney which is installed in a residential kitchen and a toilet and discharges smoke to the outside space in a centralized way, and is a non-metal pipeline product used for discharging oil smoke or foul air in the toilet generated in cooking activities of the residential kitchen. Also called house exhaust duct, house ventilation duct, house flue duct.

At present, most of exhaust in the engineering construction process of China adopts a traditional exhaust passage which is formed by brick laying or concrete pouring. The exhaust duct is not easy to turn, and when a reserved hole of a building and the exhaust duct are not in the same straight line, construction is very difficult, and installation is complicated.

Disclosure of Invention

In order to solve the difficult steering of traditional exhaust passage, when meetting out the reservation hole of building and exhaust passage when not on same straight line, the difficult technical problem who constructs the exhaust passage, this application provides a combination formula exhaust passage who replaces traditional exhaust passage.

The application provides a replace combination formula exhaust passage of traditional exhaust passage adopts following technical scheme:

a combined exhaust passage replacing a traditional exhaust passage comprises a concrete exhaust passage and a metal exhaust passage, wherein one end of the metal exhaust passage is hermetically connected with the concrete exhaust passage, and the other end of the metal exhaust passage is used for being connected with a reserved hole of a building; the metal exhaust passage comprises at least two straight pipe sections and a corrugated pipe section connected between the adjacent straight pipe sections in a sealing mode, the straight pipe section close to one end of the concrete exhaust passage is connected with the concrete exhaust passage in a sealing mode, and the straight pipe section close to one end of a reserved hole of a building is used for being connected with the building hole in a sealing mode.

By adopting the technical scheme, when the exhaust passage and the reserved hole of the building are not on the same straight line, the metal corrugated pipe is connected between the concrete exhaust passage and the reserved hole of the building, the metal corrugated pipe is convenient to manufacture, light and assemble and install, and the corrugated pipe section can be adjusted to a proper bending angle according to the actual situation of the site by matching the straight pipe section and the corrugated pipe section, so that the exhaust passage is suitable for the building shape of the site, a multi-angle metal pipe is not required to be manufactured, the adaptability is stronger, and the problems that the traditional exhaust passage is difficult to turn and the construction is difficult are solved; in addition, the metal exhaust passage occupies a small space, the heavy form of the traditional concrete exhaust passage is separated, and the indoor space is saved.

Preferably, the two ends of the straight pipe section are respectively and fixedly provided with a first flange on the outer peripheral surface thereof, and the two ends of the corrugated pipe section are respectively and fixedly provided with a second flange on the outer peripheral surface thereof for matching with the first flange.

Through adopting above-mentioned technical scheme, through setting up first ring flange and second ring flange, make things convenient for installation and dismantlement between the metal blast pipe.

Preferably, a rubber pad is arranged between the first flange plate and the second flange plate.

Through adopting above-mentioned technical scheme, the rubber pad sets up between first ring flange and second ring flange, extrudees each other through first ring flange and second ring flange to the realization is with sealing connection between straight tube section and the bellows section.

Preferably, an annular protrusion is arranged between the inner ring and the outer ring of the first flange plate along the circumferential direction of the inner ring, an annular groove is arranged between the inner ring and the outer ring of the second flange plate along the circumferential direction of the outer ring, the rubber pad is arranged in the groove, and the protrusion is clamped into the groove.

By adopting the technical scheme, when the corrugated pipe is installed, the rubber pad is arranged in the groove, and the bulge is clamped in the groove, so that on one hand, the groove and the bulge have a limiting effect on splicing of the straight pipe section and the corrugated pipe section, and the dislocation of the interface of the straight pipe section and the corrugated pipe section is avoided; on the other hand the rubber pad sets up in the recess, not only can protect the rubber pad, and the arch compresses tightly in the recess moreover, increases the leakproofness and the stability of junction.

Preferably, the first flange plate, the second flange plate and the rubber pad are respectively provided with corresponding rivet holes, and rivets are penetrated in the rivet holes.

By adopting the technical scheme, the adjacent straight pipe sections and the corrugated pipe sections are connected through the rivets, and the installation is convenient and stable.

Preferably, the building wall further comprises angle iron for fixedly arranging on the building wall to support the straight pipe section.

Through adopting above-mentioned technical scheme, support the metal blast pipe through the angle bar, the security when guaranteeing the stability of its installation and later stage use.

Preferably, the straight tube section has a gauge of 300X 400 mm.

By adopting the technical scheme, the concrete exhaust passage is matched with the size of the constructed concrete exhaust passage.

Preferably, the bellows section has a dimension of 300 x 400 mm.

By adopting the technical scheme, the corrugated pipe is matched with the straight pipe section in size, and the straight pipe section and the corrugated pipe section are conveniently connected and sealed.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the exhaust passage and the reserved hole of the building are not on the same straight line, the metal corrugated pipe is connected between the concrete exhaust passage and the reserved hole of the building, the metal corrugated pipe is convenient and light to manufacture and convenient to assemble and install, and the corrugated pipe section can be adjusted to a proper bending angle according to the actual situation on site by matching the straight pipe section with the corrugated pipe section, so that the exhaust passage is suitable for the building shape on site, does not need to manufacture a multi-angle metal pipe, has stronger adaptability, and solves the problems that the traditional exhaust passage is difficult to turn and is difficult to construct; in addition, the metal exhaust passage occupies a small space, the heavy form of the traditional concrete exhaust passage is separated, and the indoor space is saved.

2. The first flange plate and the second flange plate are arranged, so that the metal exhaust pipe can be conveniently mounted and dismounted, and the protrusions and the grooves which are matched with each other are arranged, and the protrusions are clamped in the grooves, so that on one hand, the grooves and the protrusions have a limiting effect on splicing of the straight pipe section and the corrugated pipe section, and dislocation at the interface of the straight pipe section and the corrugated pipe section is avoided; on the other hand the rubber pad sets up in the recess, not only can protect the rubber pad, and the arch compresses tightly in the recess moreover, increases the leakproofness and the stability of junction.

Drawings

FIG. 1 is a schematic elevation view of a modular exhaust stack installation.

Fig. 2 is a schematic structural view of a metal exhaust pipe.

Fig. 3 is an exploded view of a straight pipe section and a bellows section.

FIG. 4 is a schematic cross-sectional view of the first flange and the second flange.

Description of reference numerals: 1. a concrete exhaust passage; 2. a straight pipe section; 21. a first flange plate; 22. a protrusion; 3. a bellows section; 31. a second flange plate; 32. a groove; 4. a rubber pad; 5. angle iron.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1, the embodiment of the application discloses a combined exhaust passage replacing a traditional exhaust passage, which comprises a concrete exhaust passage 1 and a metal exhaust passage, wherein the concrete exhaust passage 1 and the metal exhaust passage are pre-arranged in a building, one end of the metal exhaust passage is hermetically connected with the concrete exhaust passage 1, and the other end of the metal exhaust passage is used for being connected with a reserved hole of the building.

With reference to fig. 1 and 2, the metal exhaust duct comprises at least two straight pipe sections 2 and a corrugated pipe section 3 hermetically connected between the adjacent straight pipe sections 2. The section of the straight pipe section 2 is rectangular, the specification is 300 x 400mm, the length is determined according to the actual requirements on site, the section of the corrugated pipe section 3 is rectangular, the specification is 300 x 400mm, the corrugated pipe section 3 is arranged at the corner of the exhaust passage, and the corrugated pipe section 3 can be bent on site according to the size of the corner of the exhaust passage, so that the requirements of different corners are met, and the corrugated pipe section has the advantages of convenience in installation and high adaptability. Wherein, the straight pipe section 2 close to one end of the concrete exhaust passage 1 is inserted into the concrete exhaust passage 1 and stands between the concrete exhaust passage 1 and the straight pipe section 2 to be filled with sealing paste for sealing; the straight pipe section 2 close to one end of the reserved opening of the building is used for sealing connection of the opening of the building.

When the exhaust passage and the reserved hole of the building are not on the same straight line, a metal corrugated pipe is connected between the concrete exhaust passage 1 and the reserved hole of the building, the metal corrugated pipe is convenient and light to manufacture and convenient to assemble and install, and the corrugated pipe section 3 can be adjusted to a proper bending angle according to the actual situation on site by matching the straight pipe section 2 with the corrugated pipe section 3, so that the exhaust passage is suitable for the building shape on site, a multi-angle metal pipe is not required to be manufactured, the adaptability is stronger, and the problems that the traditional exhaust passage is difficult to turn and the construction is difficult are solved; in addition, the metal exhaust passage occupies a small space, the heavy form of the traditional concrete exhaust passage 1 is eliminated, and the indoor space is saved.

Referring to fig. 3, the straight pipe section 2 has first flanges 21 fixedly attached to both ends thereof, the corrugated pipe section 3 has second flanges 31 fixedly attached to both ends thereof, and the first flanges 21 and the second flanges 31 are engaged with each other. A rubber pad 4 is arranged between the first flange 21 and the second flange 31, so that the straight pipe section 2 and the corrugated pipe section 3 are connected in a sealing mode, rivet holes corresponding to each other are formed in the first flange 21, the second flange 31 and the rubber pad 4 respectively, and the rivet holes are multiple in arrangement. When the straight pipe section 2 and the corrugated pipe section 3 are spliced, the first flange 21 is butted with the second flange 31, the rubber gasket 4 is arranged between the first flange 21 and the second flange 31, and the straight pipe section 2 and the corrugated pipe section 3 are hermetically connected through rivets penetrating through rivet holes.

With reference to fig. 3 and 4, further, an annular protrusion 22 is arranged between the inner ring and the outer ring of the first flange 21 along the circumferential direction thereof, an annular groove 32 is arranged between the inner ring and the outer ring of the second flange 31 along the circumferential direction thereof, the groove 32 and the protrusion 22 are used in cooperation, when in installation, the rubber pad 4 is arranged in the groove 32, and the protrusion 22 is clamped in the groove 32, on one hand, the groove 32 and the protrusion 22 have a limiting effect on the splicing of the straight pipe section 2 and the corrugated pipe section 3, and the dislocation at the interface of the straight pipe section 2 and the corrugated pipe section 3 is avoided; on the other hand, the rubber pad 4 is arranged in the groove 32, so that the rubber pad 4 can be protected, and the protrusion 22 is tightly pressed in the groove 32, so that the sealing performance and the stability of the joint are improved.

Referring back to fig. 1, the combined exhaust duct further comprises angle irons 5, wherein the angle irons 5 are arranged on the bottom surface of the straight pipe section 2 which is horizontally or obliquely arranged, and support the straight pipe section 2 to ensure the installation stability of the straight pipe section 2; the angle iron 5 is fixed on the building wall through expansion bolts.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A combined exhaust passage for replacing a traditional exhaust passage is characterized in that: the exhaust device comprises a concrete exhaust passage (1) and a metal exhaust passage, wherein one end of the metal exhaust passage is hermetically connected with the concrete exhaust passage (1), and the other end of the metal exhaust passage is used for being connected with a reserved hole of a building; the metal exhaust passage comprises at least two straight pipe sections (2) and a corrugated pipe section (3) connected between the adjacent straight pipe sections (2) in a sealing mode, the straight pipe section (2) close to one end of the concrete exhaust passage (1) is connected with the concrete exhaust passage (1) in a sealing mode, and the straight pipe section (2) close to one end of a reserved hole of a building is used for being connected with the hole of the building in a sealing mode.

2. The modular stack of claim 1 in place of a conventional stack, wherein: and two ends of the straight pipe section (2) are fixedly provided with first flanges (21) on the outer peripheral surface respectively, and two ends of the corrugated pipe section (3) are fixedly provided with second flanges (31) matched with the first flanges (21) on the outer peripheral surface respectively.

3. The combined exhaust passage replacing the conventional exhaust passage as claimed in claim 2, wherein: a rubber pad (4) is arranged between the first flange plate (21) and the second flange plate (31).

4. A modular stack according to claim 3 in place of a conventional stack, wherein: be equipped with annular protrusion (22) along its circumference between the inner ring of first ring flange (21) and the outer ring, be equipped with annular groove (32) along its circumference between the inner ring of second ring flange (31) and the outer ring, rubber pad (4) set up in recess (32), recess (32) are gone into to arch (22) card.

5. The combined exhaust passage replacing the conventional exhaust passage as claimed in claim 4, wherein: corresponding rivet holes are formed in the first flange plate (21), the second flange plate (31) and the rubber pad (4) respectively, and rivets penetrate through the rivet holes.

6. The modular stack of claim 1 in place of a conventional stack, wherein: the building wall further comprises angle iron (5) which is fixedly arranged on the building wall and used for supporting the straight pipe section (2).

7. The modular stack of claim 1 in place of a conventional stack, wherein: the straight pipe section (2) has a specification of 300 x 400 mm.

8. The modular stack of claim 7 in place of a conventional stack, wherein: the corrugated pipe section (3) has a specification of 300 x 400 mm.

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