CN219263428U

CN219263428U - Connecting structure of ventilating duct

Info

Publication number: CN219263428U
Application number: CN202223548623.1U
Authority: CN
Inventors: 蔡东吴
Original assignee: Newington Jiangsu Environmental Technology Co ltd
Current assignee: Newington Jiangsu Environmental Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-27
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a connecting structure of a ventilating duct, which comprises a main duct, a first connecting pipe and a second connecting pipe; the first connecting pipe is rotationally connected with the main pipeline; the first connecting pipe and the second connecting pipe are in the same structure and comprise a straight pipe section I, a straight pipe section II and a bent pipe section; the straight pipe section I and the straight pipe section II are connected through a bent pipe section; the two ends of the first connecting pipe and the second connecting pipe are respectively provided with a reducing sealing assembly; the first connecting pipe and the second connecting pipe are connected with the main pipeline or the pipeline to be connected through the connecting component. The utility model has the advantages of convenient installation, good sealing performance and angle adjustment.

Description

Connecting structure of ventilating duct

Technical Field

The utility model relates to the technical field of ventilation pipeline connection, in particular to a connection structure of a ventilation pipeline.

Background

The fresh air system is a set of independent air treatment system consisting of an air supply system and an exhaust system, and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The pipeline type fresh air system consists of a fresh air machine and pipeline fittings, wherein the fresh air machine purifies outdoor air to be led into a room, and the indoor air is discharged through a pipeline.

At present, the connection structure of the ventilating duct cannot be adjusted by oneself, and is inconvenient to install.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a connecting structure of a ventilating duct, which is convenient to install, good in sealing performance and capable of adjusting angles.

In order to solve the technical problems, the utility model adopts the following technical scheme: a connecting structure of a ventilating duct comprises a main pipeline, a first connecting pipe and a second connecting pipe; the first connecting pipe is connected with the main pipeline; the second connecting pipe is connected with the main pipeline,

the first connecting pipe and the second connecting pipe have the same structure and comprise a straight pipe section I, a straight pipe section II and a bent pipe section; the first straight pipe section and the second straight pipe section are connected through a bent pipe section;

reducing sealing assemblies are arranged at two ends of the first connecting pipe and the second connecting pipe; the first connecting pipe and the second connecting pipe are connected with the main pipeline or the pipeline to be connected through the connecting component.

Further, the first straight pipe section and the second straight pipe section are metal pipes, the bent pipe section is a metal corrugated pipe, and the metal corrugated pipe is welded with the first straight pipe section and the second straight pipe section at two ends.

Further, the main pipeline comprises an upper pipe section, a lower pipe section and a telescopic pipe section; the upper pipe section and the lower pipe section are connected through a telescopic pipe section.

Further, the reducing sealing assembly comprises a conical sealing ring I which is fixedly arranged on the inner sides of the end parts of the first connecting pipe and the second connecting pipe; and a conical sealing ring II is arranged on the outer side of the end part of the main pipeline or the pipeline to be connected.

Further, the connecting component comprises a threaded sleeve part and a threaded stud part which are mutually in threaded connection; the screw sleeve part is fixed on the main pipeline or the pipeline to be connected; the stud part is internally provided with a channel for the first connecting pipe and the second connecting pipe to penetrate, and the stud part is rotationally connected with the first connecting pipe and the second connecting pipe.

The beneficial effects of the utility model are as follows:

according to the utility model, through the arrangement of the main pipeline, the first connecting pipe and the second connecting pipe and the arrangement of the structure of the connecting component and the reducing sealing component, the limitation on the pipeline connection and installation is greatly reduced, and the operation is convenient.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic view of a reducing seal assembly.

Fig. 3 is a schematic structural diagram of embodiment 2.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in the following detailed description.

Examples

Referring to fig. 1 and 2, a connection structure of a ventilation duct according to the present embodiment includes a main duct 1, a first connection pipe 2, and a second connection pipe 3; the first connecting pipe 2 is connected with the main pipeline 1; the second connecting pipe 3 is connected with the main pipeline 1, and reducing sealing assemblies are arranged at two ends of the first connecting pipe 2 and the second connecting pipe 3; the first connecting pipe 2 and the second connecting pipe 3 are connected with the main pipeline or the pipeline to be connected through the connecting component 5.

In this embodiment, the reducing seal assembly includes a first tapered seal ring 31 and a second tapered seal ring 32

The first conical sealing ring 31 is fixed on the inner sides of the end parts of the first connecting pipe 2 and the second connecting pipe 3; the outer side of the end part of the main pipeline 1 or the pipeline to be connected is provided with a second conical sealing ring 32.

The connecting component 5 in the embodiment comprises a threaded sleeve part 51 and a threaded stud part 52 which are mutually in threaded connection; the threaded sleeve part 51 is fixed on the main pipeline 1 or the pipeline to be connected; the stud part 52 is internally provided with a channel for the first connecting pipe 2 and the second connecting pipe 3 to penetrate, and the stud part 52 is rotationally connected with the first connecting pipe 2 and the second connecting pipe 3 and can be adjusted at will.

In this embodiment, the first connecting pipe 2 and the second connecting pipe 3 have the same structure and include a straight pipe section one 21, a straight pipe section two 22 and a curved pipe section 23; the first straight pipe section 21 and the second straight pipe section 22 are connected through a bent pipe section 23; the first straight pipe section 21 and the second straight pipe section 22 are metal pipes, the bent pipe section 23 is a metal corrugated pipe, and the metal corrugated pipe is welded with the first straight pipe section 21 and the second straight pipe section 22 at two ends.

In the connection structure, when the installation, in first connecting pipe 2 and second connecting pipe 3 are inserted at the both ends of trunk line 1, according to the position of waiting to connect the pipeline, can change the angle between straight tube section one 21 and the straight tube section two 22 through the metal bellows, moreover, first connecting pipe 2 and second connecting pipe 3 can arbitrary turned angle, wait after the angle is confirmed, connect the trunk line 1 with first connecting pipe 2 and second connecting pipe 3 fixedly through coupling assembling 5, through rotatory double-screw bolt portion 52, double-screw bolt portion 52 and swivel nut portion 51 spiro union, the trunk line constantly stretches into in first connecting pipe 2 or the second connecting pipe 3, toper sealing washer one 31 and toper sealing washer two 32 compress tightly each other, reach fine sealed effect. And the pipe connection with different pipe diameters can still be effectively sealed and effectively connected.

Examples

On the basis of embodiment 1, the main pipe 1 is preferably structured as an upper pipe section 11, a lower pipe section 12 and a telescoping pipe section 13; the upper pipe section 11 and the lower pipe section 12 are connected by a telescoping pipe section 13.

The length of the main pipe 1 in this embodiment may be extended as required.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the utility model, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present utility model.

Claims

1. A connecting structure of a ventilating duct, which is characterized in that: comprises a main pipeline (1), a first connecting pipe (2) and a second connecting pipe (3); the first connecting pipe (2) is connected with the main pipeline (1); the second connecting pipe (3) is connected with the main pipe (1),

the first connecting pipe (2) and the second connecting pipe (3) have the same structure and comprise a straight pipe section I (21), a straight pipe section II (22) and a bent pipe section (23); the straight pipe section I (21) and the straight pipe section II (22) are connected through a bent pipe section (23);

both ends of the first connecting pipe (2) and the second connecting pipe (3) are provided with reducing sealing assemblies; the first connecting pipe (2) and the second connecting pipe (3) are connected with the main pipeline or the pipeline to be connected through the connecting component (5).

2. A ventilating duct connection structure according to claim 1, wherein: the first straight pipe section (21) and the second straight pipe section (22) are metal pipes, the bent pipe section (23) is a metal corrugated pipe, and the metal corrugated pipe is welded with the first straight pipe section (21) and the second straight pipe section (22) at two ends.

3. A ventilating duct connection structure according to claim 1, wherein: the main pipeline (1) comprises an upper pipeline section (11), a lower pipeline section (12) and a telescopic pipeline section (13); the upper pipe section (11) and the lower pipe section (12) are connected through a telescopic pipe section (13).

4. A ventilating duct connection structure according to claim 1, wherein: the reducing sealing assembly comprises a first conical sealing ring (31) and a second conical sealing ring (32); the conical sealing ring I (31) is fixed on the inner sides of the end parts of the first connecting pipe (2) and the second connecting pipe (3); the second conical sealing ring (32) is arranged on the outer side of the end part of the main pipeline (1) or the pipeline to be connected.

5. A ventilating duct connection structure according to claim 1, wherein: the connecting component (5) comprises a threaded sleeve part (51) and a threaded stud part (52) which are mutually in threaded connection; the screw sleeve part (51) is fixed on the main pipeline (1) or the pipeline to be connected; a channel for the first connecting pipe (2) and the second connecting pipe (3) to penetrate is arranged in the stud part (52), and the stud part (52) is rotationally connected with the first connecting pipe (2) and the second connecting pipe (3).