A duct system

By installing embedded seats and baffles in the duct system, the turbulence problem at duct bends is solved, the stability and smoothness of airflow are improved, and the installation process is simplified.

CN224580423UActive Publication Date: 2026-07-31NG TERASUN AIR DUCT
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NG TERASUN AIR DUCT
Filing Date
2025-09-05
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Turbulence is easily generated at bends in ductwork, especially in rectangular sections where turbulence is more pronounced at corners, affecting the stability of airflow.

Method used

An embedded seat and a baffle are installed in the duct system. The embedded seat is connected to the bend, and the baffle is distributed radially along the bend and connected to the inner wall of the embedded seat through the first and second protrusions. The support part cooperates with the embedded seat to improve the stability of airflow.

Benefits of technology

It effectively reduces turbulence on the inside of the bend, improves the stability and smoothness of airflow, and simplifies the installation and positioning process.

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Abstract

This application discloses a duct system, belonging to the technical field of ductwork. The key technical features include a straight duct, a curved duct, and further: an insert mounted on one side of the curved duct; partitions, with several partitions mounted on the insert, each partition having a first fixing portion at its end and a plurality of evenly arranged first protrusions on its sidewall; wherein the inner wall of the insert has a first fixing groove corresponding to the first fixing portion, and the inner wall of the insert has a plurality of evenly arranged second protrusions. This application can improve the flow stability of air at bends in the duct system.
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Description

Technical Field

[0001] This application belongs to the field of duct technology, and in particular relates to a duct system. Background Technology

[0002] Air ducts are piping systems used for air transport and distribution, and are widely used in shopping malls, hotels, workshops, and cleanroom projects.

[0003] When air ducts are used to transport air, small-scale eddies (turbulence) are easily generated on the inside of bends, especially when the cross-section of the air duct is rectangular, the turbulence in the corner area is more obvious, and this needs to be improved. Utility Model Content

[0004] The purpose of this application is to address the aforementioned technical problems by providing a duct system that can improve the stability of airflow at bends within the duct system.

[0005] This application provides a duct system, including straight pipes, bends, and further comprising: An insert, which is mounted on one side of the bend; A partition, several partitions are installed on an embedded base, the end of the partition is provided with a first fixing part, and the side wall of the partition is provided with several uniformly arranged first protrusions; The inner wall of the embedding seat is provided with a first fixing groove corresponding to the first fixing part, and the inner wall of the embedding seat is provided with a plurality of evenly arranged second protrusions.

[0006] The duct system is composed of several straight and curved pipes. When air flows in the duct system, an embedded seat is installed on one side of the curved pipe, upstream of the air flow in the curved pipe. The embedded seat is connected to the curved pipe and other adjacent straight or curved pipes. The embedded seat is installed and connected to the corresponding straight or curved pipes by fasteners such as bolts and nuts. A partition is installed in the embedded seat. The partition is fitted with a first fixing part and a first fixing groove to facilitate the positioning of the partition during installation. Fasteners for fixing the partition are installed between the first fixing part and the first fixing groove. The partition is distributed along the radial direction of the curved pipe. The partition improves the stability of the air flow when entering the curved pipe and reduces the turbulence generated by the air flow inside the curved pipe. The first convex strip is integrally connected to the partition, and the second convex strip is integrally connected to the embedded seat. The first and second convex strips improve the stability of the air flow when passing through the embedded seat and reduce the turbulence when the air flow passes through the embedded seat, further improving the stability of the air flow when passing through the curved pipe.

[0007] Furthermore, the partition includes: A support portion is placed at one end of the partition plate. The support portion is arched, and an installation cavity is provided between the support portion and the embedding seat.

[0008] Furthermore, the support portion includes: The second fixing part is located at the end of the support part; The embedding seat is provided with a second fixing groove corresponding to the second fixing part.

[0009] Furthermore, the support portion also includes: The third protrusion is placed on the outer wall surface of the support.

[0010] Furthermore, the embedding base includes: The mounting base is placed outside the embedding base, and the mounting base is provided with mounting holes.

[0011] Furthermore, the embedding base also includes: A sealing gasket is placed between the mounting base and the straight or curved pipe.

[0012] Furthermore, the embedding base also includes: The guide surface is located at the end of the insert.

[0013] Furthermore, a reinforcing section is provided in the middle of the partition, and the cross-sectional width of the partition gradually decreases from the reinforcing section to both sides.

[0014] The beneficial effects of this application are: 1. By installing an embedded seat on the upstream side of the airflow in the bend and arranging baffles evenly along the radial direction of the bend, the flow state of air entering the bend can be effectively improved: the baffles can guide the airflow to turn in an orderly manner, greatly reducing the turbulence generated by the airflow impact on the inside of the bend.

[0015] 2. The first protruding strip on the side wall of the partition, the second protruding strip on the inner wall of the embedded seat, and the third protruding strip on the outer wall of the support can further regulate the airflow and reduce turbulence during the airflow process.

[0016] 3. The partition plate is engaged with the first fixing groove of the embedded seat through the first fixing part, and the support part is engaged with the second fixing groove of the embedded seat through the second fixing part, which can quickly achieve precise positioning of the partition plate in the embedded seat and reduce the adjustment time during installation. Attached Figure Description

[0017] Figure 1 This is a structural schematic diagram of the duct system of this application; Figure 2 This is a schematic diagram of the embedded base of this application. Figure 1 ; Figure 3 This is a schematic diagram of the embedded base of this application. Figure 2 ; Figure 4 For the purposes of this application Figure 2 A magnified view of point A; Figure 5 For the purposes of this application Figure 2 A magnified view of point B; In the attached figures, the following labels are used: 100, straight pipe; 200, bent pipe; 300, embedded seat; 310, first fixing groove; 320, second protrusion; 330, second fixing groove; 340, mounting seat; 341, mounting hole; 350, guide surface; 400, partition plate; 410, first fixing part; 420, first protrusion; 430, support part; 431, mounting cavity; 432, second fixing part; 433, third protrusion; 440, reinforcing part; 500, sealing gasket. Detailed Implementation

[0018] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0019] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0020] The embodiments of this application are described in detail below with reference to the accompanying drawings, through specific examples and application scenarios.

[0021] Example 1: like Figures 1-3 As shown, this application embodiment provides a duct system, including a straight pipe 100, a bend 200, and further comprising: An insert 300 is mounted on one side of the bend 200; A partition 400, a plurality of partitions 400 are installed on an embedded base 300, the end of the partition 400 is provided with a first fixing part 410, and the side wall of the partition 400 is provided with a plurality of uniformly arranged first protrusions 420. The inner wall of the embedding seat 300 is provided with a first fixing groove 310 corresponding to the first fixing part 410, and the inner wall of the embedding seat 300 is provided with a plurality of evenly arranged second protrusions 320.

[0022] The duct system is constructed by splicing together several straight pipes 100 and bends 200. When air flows through the duct system, an embedded seat 300 is installed on one side of the bend 200, upstream of where the air flows within it. The embedded seat 300 is connected to the bend 200 and other adjacent straight pipes 100 or bends 200. The embedded seat 300 is installed and connected to the corresponding straight pipe 100 or ductwork using fasteners such as bolts and nuts. A partition 400 is installed in the embedded seat 300. The partition 400 engages with the first fixing part 410 and the first fixing groove 310, facilitating the positioning of the partition 400 during installation and securing it. Fasteners 400 are installed between the first fixing part 410 and the first fixing groove 310. They are distributed along the radial direction of the bend 200 by the partition 400. The partition 400 improves the stability of air flow when entering the bend 200 and reduces the turbulence generated by the air flow inside the bend 200. The first protrusion 420 is integrally connected to the partition 400, and the second protrusion 320 is integrally connected to the insert 300. The first protrusion 420 and the second protrusion 320 improve the stability of air flow when passing through the insert 300 and reduce the turbulence of air flow when passing through the insert 300, thereby further improving the stability of air flow when passing through the bend 200.

[0023] Example 2: like Figures 2-5 As shown, this application embodiment provides a duct system, which, in addition to including the above-mentioned technical features, further includes the partition 400 comprising: A support portion 430 is placed at one end of the partition plate 400. The support portion 430 is arched, and an installation cavity 431 is provided between the support portion 430 and the embedding seat 300.

[0024] The support part 430 is integrally connected with the partition plate 400. The support part 430 is arched and has high structural stability. The support part 430 improves the structural stability of the partition plate 400 during use. In some installation situations, pipes, lines and other layouts are installed in the duct system. The installation cavity 431 can standardize this installation structure and make the structural layout in the duct system clear and reasonable.

[0025] Furthermore, the support portion 430 includes: The second fixing part 432 is located at the end of the support part 430; The embedding seat 300 is provided with a second fixing groove 330 corresponding to the second fixing part 432.

[0026] The second fixing part 432 cooperates with the second fixing groove 330 to facilitate the installation and positioning of the partition 400, and the fasteners used to install and fix the support part 430 are fixed between the second fixing part 432 and the second fixing groove 330.

[0027] Furthermore, the support portion 430 also includes: The third protrusion 433 is placed on the outer wall surface of the support part 430.

[0028] The third protrusion 433 is integrally connected to the support part 430, and the stability of the air flowing over the outer surface of the support part 430 is improved by the third protrusion 433.

[0029] Example 3: like Figure 1 , Figure 2 As shown, this application embodiment provides a duct system, which, in addition to including the above-mentioned technical features, further includes the following: the embedded base 300 includes: Mounting base 340 is placed outside the embedding base 300, and mounting base 340 is provided with mounting hole 341.

[0030] The mounting base 340 and the embedded base 300 are connected by fasteners such as bolts or by welding. In this application, the mounting base 340 and the embedded base 300 are welded together. When the mounting base 340 is installed with the corresponding bend 200 or straight pipe 100, the corresponding bend 200 or straight pipe 100 is abutted against the mounting base 340. The mounting hole 341 facilitates the installation of the duct system on the building structure by matching with other parts.

[0031] Furthermore, the embedding base 300 also includes: The guide surface 350 is located at the end of the insert 300.

[0032] The guide surface 350 is provided on the end face of the insert 300. The guide surface 350 makes the air flow more smoothly between the insert 300 and the straight pipe 100 or the curved pipe 200. The guide surface 350 can be a flat surface or an arc surface.

[0033] Furthermore, a reinforcing part 440 is provided in the middle of the partition 400, and the cross-sectional width of the partition 400 gradually decreases from the reinforcing part 440 to both sides.

[0034] The structural strength of the partition 400 is improved by the reinforcing part 440, and the cross-sectional width of the partition 400 gradually decreases from the reinforcing part 440 to both sides, so that the weight of the partition 400 is appropriately reduced while maintaining a certain structural strength, thereby reducing the burden on the building structure during installation.

[0035] Example 4: like Figure 1 As shown, this application embodiment provides a duct system, which, in addition to the above-mentioned technical features, further includes the following: The sealing gasket 500 is placed between the mounting base 340 and the straight pipe 100 and the bend 200.

[0036] When the embedded seat 300 is installed with the corresponding straight pipe 100 or bend 200, the flange connection of the straight pipe 100 or bend 200 is abutted against the mounting seat 340, and the sealing gasket 500 is placed between the mounting seat 340 and the flange connection of the straight pipe 100 or bend 200. The sealing gasket 500 improves the connection sealing performance after the embedded seat 300 is connected to the straight pipe 100 or bend 200.

[0037] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0038] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A duct system comprising straight pipes (100), elbow pipes (200), characterized in that, Also includes: An insert (300) is mounted on one side of the bend (200); A partition (400) is installed on an embedded base (300). The end of the partition (400) is provided with a first fixing part (410), and the side wall of the partition (400) is provided with a plurality of uniformly arranged first protrusions (420). The inner wall of the embedding seat (300) is provided with a first fixing groove (310) corresponding to the first fixing part (410), and the inner wall of the embedding seat (300) is provided with a plurality of evenly arranged second protrusions (320).

2. The duct system of claim 1, wherein, The partition (400) includes: A support part (430) is placed at one end of the partition (400). The support part (430) is arched, and an installation cavity (431) is provided between the support part (430) and the embedding seat (300).

3. The duct system of claim 2, wherein, The support portion (430) includes: The second fixing part (432) is located at the end of the support part (430); The embedding seat (300) is provided with a second fixing groove (330) corresponding to the second fixing part (432).

4. The duct system of claim 2, wherein, The support portion (430) further includes: The third protrusion (433) is placed on the outer wall surface of the support (430).

5. The duct system of claim 1, wherein, The embedding base (300) includes: Mounting base (340) is placed outside the embedding base (300), and the mounting base (340) is provided with mounting holes (341).

6. The duct system of claim 5, wherein, The embedding base (300) also includes: A sealing gasket (500) is placed between the mounting base (340) and the straight pipe (100) and the bend (200).

7. The duct system of claim 1, wherein, The embedding base (300) also includes: The guide surface (350) is located at the end of the insert (300).

8. The duct system of claim 1, wherein, The partition (400) has a reinforcing part (440) in the middle, and the cross-sectional width of the partition (400) gradually decreases from the reinforcing part (440) to both sides.