Adjustable ventilation pipeline connecting piece

By designing adjustable ventilation duct connectors and utilizing components such as V-shaped seat grooves and limiting plates, the applicability problem of ducts with different diameters was solved, and the sealing performance and installation efficiency were improved.

CN223868765UActive Publication Date: 2026-02-03SICHUAN XINFENGWANG ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202520555347.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-02-03
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Existing ventilation duct connectors have limited applicability, cannot adapt to ducts of different diameters, and have insufficient sealing at the joints.

Method used

An adjustable ventilation duct connector was designed. Through the slot structure of the V-shaped seat and components such as the limiting plate and sealing gasket, pipes of different diameters can be connected. The pipes can be fixed and their height can be adjusted by using a combination of hoisting components and positioning pins.

Benefits of technology

It achieves applicability to pipes of different diameters, improves the sealing of connections, and facilitates pipe installation and height adjustment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable ventilating pipeline connecting piece, which is applied to the technical field of pipeline connection, and is characterized in that a first pipe body and a second pipe body are fixed through a limiting plate, then the pipeline passes through a space between a lower V-shaped seat and an upper V-shaped seat according to the size of the pipeline, and the pipeline is positioned in a corresponding clamping groove; the positioning pin is pressed to enable the connecting plate to move through the guide rod and extrude the spring, so that the positioning pin retracts into the positioning hole, then the connecting cylinder is moved to a certain position, and the positioning pin can be automatically popped out from the other positioning hole through the spring to fix the connecting cylinder, so that the pipelines with different sizes can be conveniently mounted through the clamping grooves with different intervals; and finally, the positioning plate is fixed through expansion screws and the mounting holes.
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Description

Technical Field

[0001] This utility model belongs to the field of pipeline connection technology, and specifically relates to an adjustable ventilation duct connector. Background Technology

[0002] The function of ventilation duct connectors is to connect ventilation ducts, improve installation efficiency, and connect two or more ventilation duct sections together to form a continuous channel so that air can circulate within it.

[0003] Currently, most pipe sections are fixed with screws or rivets, and the joints are reinforced with connectors. Some connectors are only compatible with pipes of one diameter. When using pipes of different diameters, it is necessary to replace them with connectors of different sizes, which has low applicability. Utility Model Content

[0004] The purpose of this utility model is to provide an adjustable ventilation duct connector, which has the advantage of being suitable for ducts of different sizes.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: an adjustable ventilation duct connector, including a first pipe body, a second pipe body is provided on one side of the first pipe body, a lower V-shaped seat is provided on the outer side of the connection between the first pipe body and the second pipe body, an upper V-shaped seat is provided on the top of the lower V-shaped seat, and slots are provided on the inner walls of both the lower V-shaped seat and the upper V-shaped seat. A hoisting assembly is fixedly connected to the top of the upper V-shaped seat.

[0006] The above technical solution allows for the installation of pipes of different sizes through slots with varying spacing.

[0007] The present invention is further configured such that: the first tube and the second tube include a limiting plate and a sealing gasket, the limiting plate is circumferentially fixedly connected to one end of the first tube and the second tube, and a sealing gasket is provided on the other side of the first tube and the second tube.

[0008] The above technical solution improves the sealing performance between pipes.

[0009] The present invention is further configured such that the inner wall of the limiting plate is threaded with a number of fixing screws.

[0010] The above technical solution facilitates the connection and fixation of multiple pipe bodies.

[0011] The present invention is further configured such that the lower V-shaped seat includes an ear plate and a bolt, and an ear plate is fixedly connected to one side of both the lower V-shaped seat and the upper V-shaped seat, and the inner wall of the ear plate is threaded with a bolt.

[0012] The above technical solution facilitates the fixing of the lower V-shaped seat and the upper V-shaped seat.

[0013] The present invention is further configured such that the hoisting assembly includes a fixed cylinder fixed to the top of the upper V-shaped seat, a connecting cylinder slidably connected to the outside of the fixed cylinder, a positioning plate fixedly connected to the top of the connecting cylinder, an anti-detachment block fixedly connected to the outside of the fixed cylinder, and an installation hole provided on the inner wall of the positioning plate.

[0014] The above technical solution facilitates fixing pipes to the ceiling.

[0015] The present invention is further configured such that the fixed cylinder includes a positioning pin, a connecting plate, a spring, a positioning hole and a guide rod, the positioning pin is slidably connected to the inner wall of the fixed cylinder, one end of the positioning pin is fixedly connected to the connecting plate, one side of the connecting plate is fixedly connected to the spring, the inner wall of the connecting cylinder is provided with a positioning hole, one end of the positioning pin passes through the positioning hole, and one end of the positioning pin is arc-shaped.

[0016] The above technical solution facilitates the adjustment of the pipe height.

[0017] The present invention is further configured such that a guide rod is fixedly connected to the inner wall of the fixed cylinder, and the guide rod is slidably connected to the connecting plate.

[0018] The above technical solution enables the connecting plate to move stably.

[0019] The present invention is further configured such that the number of positioning holes is several, and the several positioning holes are equally spaced.

[0020] The above technical solution facilitates the fixing of the adjusted connecting cylinder.

[0021] In summary, this utility model has the following beneficial effects:

[0022] 1: Fix the first pipe body and the second pipe body with the limiting plate, and then pass it through the lower V-shaped seat and the upper V-shaped seat according to the size of the pipe, so that the pipe is located in the corresponding slot. The slots with different spacing are suitable for pipes of different sizes.

[0023] 2: Press the positioning pin to move the connecting plate through the guide rod and squeeze the spring, causing the positioning pin to retract into the positioning hole. Then move the connecting cylinder to a certain position, and the spring will cause the positioning pin to automatically pop out from another positioning hole to fix the connecting cylinder. Finally, fix the positioning plate with the expansion screw and the mounting hole. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2This is a structural schematic diagram of the limiting plate and sealing gasket of this utility model;

[0026] Figure 3 This is a structural schematic diagram of the fixed cylinder and the connecting cylinder of this utility model;

[0027] Figure 4 This is a structural schematic diagram of the fixing cylinder and limiting plate of this utility model;

[0028] Figure 5 This is a utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle.

[0029] Reference numerals in the attached drawings: 1. First tube body; 101. Limiting plate; 102. Sealing gasket; 2. Second tube body; 3. Lower V-shaped seat; 301. Ear plate; 302. Bolt; 4. Upper V-shaped seat; 5. Slot; 6. Fixing cylinder; 601. Positioning pin; 602. Connecting plate; 603. Spring; 604. Positioning hole; 605. Guide rod; 7. Connecting cylinder; 8. Positioning plate; 9. Anti-detachment block. Detailed Implementation

[0030] The present invention will be further described in detail below with reference to the accompanying drawings.

[0031] Example 1:

[0032] refer to Figures 1-4 An adjustable ventilation duct connector includes a first pipe body 1, a second pipe body 2 on one side of the first pipe body 1, a lower V-shaped seat 3 on the outer side of the connection between the first pipe body 1 and the second pipe body 2, an upper V-shaped seat 4 on the top of the lower V-shaped seat 3, and slots 5 are provided on the inner walls of both the lower V-shaped seat 3 and the upper V-shaped seat 4. A hoisting assembly is fixedly connected to the top of the upper V-shaped seat 4.

[0033] The first tube 1 and the second tube 2 include a limiting plate 101 and a sealing gasket 102. The limiting plate 101 is circumferentially fixedly connected to one end of the first tube 1 and the second tube 2, and the sealing gasket 102 is provided on the other side of the first tube 1 and the second tube 2.

[0034] The inner wall of the limiting plate 101 is threaded with several fixing screws.

[0035] The lower V-shaped seat 3 includes a lug plate 301 and a bolt 302. The lower V-shaped seat 3 and the upper V-shaped seat 4 are both fixedly connected to one side with a lug plate 301, and the inner wall of the lug plate 301 is threaded with a bolt 302.

[0036] Brief description of the usage process: First, the first pipe body 1 and the second pipe body 2 are fixed by the limiting plate 101. The sealing gasket 102 increases the sealing between multiple pipes. Then, the lower V-shaped seat 3 and the upper V-shaped seat 4 are fixed by the ear plate 301 and the bolt 302. Finally, according to the size of the pipe, it is passed between the lower V-shaped seat 3 and the upper V-shaped seat 4, and the pipe is placed in the corresponding slot 5. The slots 5 with different spacings facilitate the installation of pipes of different sizes.

[0037] Example 2:

[0038] refer to Figure 1 , Figure 3 , Figure 4 and Figure 5 The hoisting assembly includes a fixed cylinder 6 fixed to the top of the upper V-shaped seat 4, a connecting cylinder 7 slidably connected to the outside of the fixed cylinder 6, a positioning plate 8 fixedly connected to the top of the connecting cylinder 7, an anti-detachment block 9 fixedly connected to the outside of the fixed cylinder 6, and an installation hole opened on the inner wall of the positioning plate 8.

[0039] The anti-detachment block 9 can prevent the connecting cylinder 7 from detaching from the fixed cylinder 6.

[0040] The fixed cylinder 6 includes a positioning pin 601, a connecting plate 602, a spring 603, a positioning hole 604, and a guide rod 605. The positioning pin 601 is slidably connected to the inner wall of the fixed cylinder 6. One end of the positioning pin 601 is fixedly connected to the connecting plate 602. One side of the connecting plate 602 is fixedly connected to the spring 603. The inner wall of the connecting cylinder 7 has a positioning hole 604. One end of the positioning pin 601 passes through the positioning hole 604 and is arc-shaped.

[0041] A guide rod 605 is fixedly connected to the inner wall of the fixed cylinder 6, and the guide rod 605 is slidably connected to the connecting plate 602.

[0042] There are several positioning holes 604, and these positioning holes 604 are set at equal intervals.

[0043] Brief description of usage: The hoisting assembly facilitates the fixing of pipes to the ceiling and allows for height adjustment. During use, pressing the positioning pin 601 causes the connecting plate 602 to move via the guide rod 605 and compress the spring 603, causing the positioning pin 601 to retract into the positioning hole 604. Then, moving the connecting cylinder 7 allows the positioning pin 601 to retract into the positioning hole 604 due to the arc shape of one end. When the connecting cylinder 7 is moved to a certain position, the spring 603 causes the positioning pin 601 to automatically pop out from another positioning hole 604, thus fixing the connecting cylinder 7. Finally, the positioning plate 8 is fixed by the expansion screws and mounting holes.

[0044] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. An adjustable ventilation duct connector, comprising a first duct body (1), characterized in that: A second tube (2) is provided on one side of the first tube (1). A lower V-shaped seat (3) is provided on the outer side of the connection between the first tube (1) and the second tube (2). An upper V-shaped seat (4) is provided on the top of the lower V-shaped seat (3). A slot (5) is provided on the inner wall of both the lower V-shaped seat (3) and the upper V-shaped seat (4). A hoisting assembly is fixedly connected to the top of the upper V-shaped seat (4).

2. The adjustable ventilation duct connector according to claim 1, characterized in that: The first tube (1) and the second tube (2) include a limiting plate (101) and a sealing gasket (102). The limiting plate (101) is circumferentially fixedly connected to one end of the first tube (1) and the second tube (2), and the sealing gasket (102) is provided on the other side of the first tube (1) and the second tube (2).

3. An adjustable ventilation duct connector according to claim 2, characterized in that: The inner wall of the limiting plate (101) is threaded with several fixing screws.

4. An adjustable ventilation duct connector according to claim 1, characterized in that: The lower V-shaped seat (3) includes an ear plate (301) and a bolt (302). The lower V-shaped seat (3) and the upper V-shaped seat (4) are both fixedly connected to one side with an ear plate (301). The inner wall of the ear plate (301) is threaded with a bolt (302).

5. An adjustable ventilation duct connector according to claim 1, characterized in that: The hoisting assembly includes a fixed cylinder (6) fixed to the top of the upper V-shaped seat (4), a connecting cylinder (7) slidably connected to the outside of the fixed cylinder (6), a positioning plate (8) fixedly connected to the top of the connecting cylinder (7), an anti-detachment block (9) fixedly connected to the outside of the fixed cylinder (6), and an installation hole provided on the inner wall of the positioning plate (8).

6. An adjustable ventilation duct connector according to claim 5, characterized in that: The fixed cylinder (6) includes a positioning pin (601), a connecting plate (602), a spring (603), a positioning hole (604), and a guide rod (605). The positioning pin (601) is slidably connected to the inner wall of the fixed cylinder (6). One end of the positioning pin (601) is fixedly connected to the connecting plate (602). One side of the connecting plate (602) is fixedly connected to the spring (603). The inner wall of the connecting cylinder (7) is provided with a positioning hole (604). One end of the positioning pin (601) passes through the positioning hole (604). One end of the positioning pin (601) is arc-shaped.

7. An adjustable ventilation duct connector according to claim 6, characterized in that: The inner wall of the fixed cylinder (6) is fixedly connected to a guide rod (605), and the guide rod (605) is slidably connected to the connecting plate (602).

8. An adjustable ventilation duct connector according to claim 6, characterized in that: The number of positioning holes (604) is several, and the several positioning holes (604) are equally spaced.