Multi-layer composite efficient ventilation air duct structure

By designing a multi-layered composite high-efficiency ventilation duct structure and adopting a straight-up and down installation method using pull rings and mounting frames, combined with damping springs and sliders for shock absorption, the problem of inconvenient filter media replacement and insufficient shock resistance caused by limited installation positions in ventilation ducts in northern regions has been solved, achieving convenient filter media replacement and enhanced duct stability.

CN223805808UActive Publication Date: 2026-01-16JIANGSU RUILILONG ELECTRIC EQUIP CO LTD
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Patent Information

Application Number
CN202423177990.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-01-16
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

In northern regions, the limited installation locations of ventilation ducts make filter replacement inconvenient, and the existing duct structures lack sufficient seismic resistance, failing to guarantee safety and stability.

Method used

A multi-layer composite high-efficiency ventilation duct structure was designed, which adopts a straight-up and down installation method with pull rings and mounting frames, and combines damping springs and sliders to achieve convenient replacement of filter media and enhance structural stability.

Benefits of technology

It enables quick and convenient replacement of filter media within a limited space, improves the shock resistance and overall stability of the air duct, and ensures the safety and ease of use of the air duct.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-layer composite type efficient ventilation air duct structure, which relates to the field of ventilation air duct devices and comprises an air duct main body, butt joint grooves are arranged on two side surfaces in the air duct main body, a through groove is arranged on the lower surface in the air duct main body, and a mounting frame is arranged in the air duct main body. Two filter material grooves are formed in the upper portion of the mounting frame, two positioning grooves are formed in the lower portion of the mounting frame and correspond to the filter material grooves respectively, extending grooves are formed in the surfaces of the two sides of the mounting frame, and a telescopic cavity is formed in the front surface of the mounting frame; and a pull rope cavity is formed in the other side direction of the telescopic cavity. The butt joint block and the sliding block are arranged, so that the overall stability and the use safety of the air duct structure can be enhanced, a straight-up and straight-down mode is adopted when the filter material is replaced, and the replacement efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ventilation air duct device, especially multilayer composite high -efficient ventilation air duct structure. BACKGROUND

[0002] Ventilation air duct is also called ventilation duct, ventilation channel, which is metal or nonmetal pipeline for ventilation and air conditioning engineering of industrial and civil buildings.

[0003] In northern areas, the outdoor temperature is very low in winter, and the ventilation air duct should not be arranged in the middle of the outer wall to avoid the cold air in the ventilation air duct, poor smoke exhaust, if the ventilation air duct must be arranged close to the outer wall, the distance between the ventilation air duct and the outer wall should be not less than one and a half bricks, and the ventilation air duct should not be perpendicular, and the angle between the ventilation air duct and the horizontal line should be not less than 60 degrees when bending, so as to avoid airflow obstruction, based on this situation, the position of the ventilation air duct in the north is limited during installation, which causes great inconvenience when replacing the filter material, in order to achieve the standard of reducing the concentration of harmful gases, the filter material in the air duct needs to be replaced regularly, and although the existing air duct structure is provided with an anti-seismic structure, most of them are only provided with a simple shock pad, the shock absorption effect is general, and the safety and stability of the air duct cannot be guaranteed.

[0004] Therefore, it is necessary to provide multilayer composite high -efficient ventilation air duct structure to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a multilayer composite high -efficient ventilation air duct structure, which can solve the problems of limited position of the ventilation air duct in the north during installation, great inconvenience when replacing the filter material, and the safety and stability of the air duct cannot be guaranteed.

[0006] To achieve the above object, the utility model provides the following technical scheme: multilayer composite high -efficient ventilation air duct structure, including the air duct main part, the air duct main part inside both sides surface is seted up and is connected the slot, the butt joint groove has three, evenly distributes in the air duct main part inside, the air duct main part inside lower surface is seted up and is connected the slot, the air duct main part inside is equipped with the installation frame;

[0007] The installation frame is seted up and is connected the filter material groove on the top, and the filter material groove has two, and the installation frame lower surface is seted up and is connected the positioning groove, and the positioning groove has two, and is corresponding to the filter material groove respectively;

[0008] Both sides of the installation frame are provided with an extension slot, the front surface of the installation frame is provided with an extension cavity, the extension cavity is provided with a pull rope cavity in the other side direction, and a partition plate is installed between the extension cavity and the pull rope cavity;

[0009] A connecting plate is installed in the extension cavity, a butt joint block is installed on one side surface of the connecting plate, a spring is installed on the other side surface of the connecting plate, the butt joint block is connected with the butt joint groove through the extension slot, a main pull rope is installed in the pull rope cavity, a secondary pull rope is installed on the upper end of the main pull rope, the secondary pull rope has two strands, the secondary pull rope is connected with the connecting plate through the partition plate, and a pull ring is installed on the lower end of the main pull rope.

[0010] Preferably, the lower surface of the air duct body is provided with a supporting plate, the upper surface of the supporting plate is provided with an upper side plate close to the two side directions, and a first damping spring is installed between the upper side plate and the air duct body.

[0011] Preferably, a bottom plate is arranged below the supporting plate, a sliding groove is formed in the bottom plate, a lower side plate is installed on the bottom plate, a sliding block is installed in the sliding groove, and the sliding block has two parts and is distributed in the sliding groove in an axisymmetric manner.

[0012] Preferably, a lower fixing block is installed on the sliding block, a second damping spring is installed between the lower side plate and the lower fixing block, a connecting piece is installed on the lower fixing block, an upper fixing block is installed on the upper end of the connecting piece, and the upper fixing block is connected with the lower surface of the supporting plate.

[0013] Preferably, a mounting column is installed on one side of the lower side plate, and a mounting plate is installed on the upper end of the mounting column.

[0014] Preferably, a stainless steel filter plate is installed in the filter material groove, and a HEPA filter screen is installed in front of the stainless steel filter plate.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] 1. The pull ring, butt joint piece and installation frame provided in the utility model are used in the replacement of filter materials, the installation mode is straight up and straight down, the utilization rate of space is maximized in limited operation space, the replacement process only needs to pull the pull ring, the disassembly and assembly are convenient, the time required for replacing filter materials is greatly shortened, and the problem that the replacement of filter materials is very inconvenient due to the limited position of the installation of the ventilation air duct in the northern region is solved.

[0017] 2. The first damping spring, the second damping spring and the sliding block provided in the utility model can play the role of buffering and damping on the whole structure after installation, so that the problem that the anti-seismic performance of the air duct is limited and the safety and stability of the air duct cannot be guaranteed is solved. DRAWINGS

[0018] Figure 1 It is whole structure schematic view of multilayer composite high -efficient ventilation air duct structure of the utility model;

[0019] Figure 2 It is split view of multilayer composite high -efficient ventilation air duct structure of the utility model;

[0020] Figure 3 It is split view of connecting plate of multilayer composite high -efficient ventilation air duct structure of the utility model;

[0021] Figure 4 It is split view of mounting frame of multilayer composite high -efficient ventilation air duct structure of the utility model;In the drawing: 1, air duct main body;2, supporting plate;3, No. 1 damping spring;4, mounting plate;5, mounting column;6, upper side plate;7, lower side plate;8, No. 2 damping spring;9, sliding block;10, sliding slot;11, upper fixed block;12, connecting piece;13, lower fixed block;14, bottom plate;15, mounting frame;16, pull ring;17, butt joint groove;18, through groove;19, filter material groove;20, connecting plate;21, butt joint block;22, partition plate;23, spring;24, auxiliary pull rope;25, main pull rope;26, telescopic cavity;27, pull rope cavity;28, stainless steel filter plate;29, HEPA filter screen;30, positioning groove;31, extension slot. DETAILED DESCRIPTION

[0022] The utility model provides multilayer composite high -efficient ventilation air duct structure as Figures 1-4 As shown in the drawing, including air duct main body 1, the inside two sides surface of air duct main body 1 is set up butt joint groove 17, butt joint groove 17 has three, evenly distributes in the inside of air duct main body 1, and the inside lower surface of air duct main body 1 is set up through groove 18, and air duct main body 1 inside is equipped with mounting frame 15;

[0023] Filter material groove 19 is set up in the upper side of mounting frame 15, and filter material groove 19 has two, and positioning groove 30 is set up in the lower side of mounting frame 15, and the positioning groove 30 is used to filter material card and is set in mounting frame 15, and positioning groove 30 has two, and correspondingly to filter material groove 19 respectively;

[0024] Extension slot 31 is set up in the two sides surface of mounting frame 15, and extension slot 31 has three, and correspondingly butt joint block 21 respectively, and telescopic cavity 26 is set up in the front surface of mounting frame 15, and the action of telescopic cavity 26 is received connecting plate 20 with butt joint block 21, and pull rope cavity 27 is set up in the other side direction of telescopic cavity 26, and mounting frame 15 is equipped with partition plate 22 between telescopic cavity 26 and pull rope cavity 27;

[0025] The connecting plate 20 is installed in the telescopic cavity 26, the butt joint block 21 is installed on one side surface of the connecting plate 20, the butt joint block 21 is triangular in design, the spring 23 is installed on the other side surface of the connecting plate 20, the butt joint block 21 passes through the extension slot 31 and is connected with the butt joint slot 17, the main pull rope 25 is installed in the pull rope cavity 27, the auxiliary pull rope 24 is installed on the upper end of the main pull rope 25, the auxiliary pull rope 24 has two strands, the auxiliary pull rope 24 penetrates through the partition plate 22 and is connected with the connecting plate 20, and the pull ring 16 is installed on the lower end of the main pull rope 25.

[0026] Further, the supporting plate 2 is installed on the lower surface of the air duct body 1, the upper side plate 6 is installed on the upper surface of the supporting plate 2 and close to the two side directions, and the first damping spring 3 is installed between the upper side plate 6 and the air duct body 1.

[0027] Further, the bottom plate 14 is arranged below the supporting plate 2, the sliding groove 10 is formed on the bottom plate 14, the lower side plate 7 is installed on the bottom plate 14, the sliding block 9 is installed in the sliding groove 10, the sliding block 9 is slidable in the sliding groove 10, and the sliding block 9 is axially symmetrically distributed in the sliding groove 10.

[0028] Further, the lower fixed block 13 is installed on the sliding block 9, the second damping spring 8 is installed between the lower side plate 7 and the lower fixed block 13, the connecting piece 12 is installed on the lower fixed block 13, the upper fixed block 11 is installed on the upper end of the connecting piece 12, and the upper fixed block 11 is connected with the lower surface of the supporting plate 2.

[0029] Further, the mounting column 5 is installed on one side direction of the lower side plate 7, and the mounting plate 4 is installed on the upper end of the mounting column 5.

[0030] Further, the stainless steel filter plate 28 is installed in the filter material groove 19, the HEPA filter screen 29 is installed in front of the stainless steel filter plate 28, and the stainless steel filter plate 28 and the HEPA filter screen 29 can be replaced with other filter materials according to the actual situation on site.

[0031] In use, first need to install the air duct body 1 through the mounting plate 4 to the designated location, in use, through the combination of the first damping spring 3, the second damping spring 8 and the slider 9 buffer, strengthen the whole structure of the air duct anti-seismic performance, ensure the overall stability and safety of the device when using, when need to replace the filter material, only need to pull the pull ring 16, pull down, drive the main pull rope 25 and the vice pull rope 24, pull the connecting plate 20 to the telescopic cavity 26 inside, the connecting plate 20 on the butt block 21 synchronous movement to the telescopic cavity 26 inside, at this time the butt block 21 away from the butt joint groove 17, the installation frame 15 down, the staff will take down the installation frame 15, through the filter material groove 19 will not take out and replace the stainless steel filter plate 28 and HEPA filter screen 29, need to note that the selection of filter material can be according to the actual installation situation and air duct use purpose to replace, to the greatest extent to ensure the use effect, after the replacement, along the through slot 18, the installation frame 15 is inserted into the air duct body 1 inside, in the process of insertion, by the spring 23, the butt block 21 will be set to the butt joint groove 17, push the installation frame 15 to the bottom, that is, the installation is completed, the whole process using straight up and down installation method, in the limited operation space, to the greatest extent to realize the utilization of space, and the replacement process saves time and effort, easy to disassemble, greatly shorten the time required for replacing the filter material.

Claims

1. A multi-layer composite high-efficiency ventilation duct structure, comprising a duct main body (1), characterized in that: The inside of the air duct body (1) is provided with butt grooves (17) on both sides, the butt grooves (17) are three, evenly distributed in the air duct body (1), the lower surface of the air duct body (1) is provided with a through groove (18), and the air duct body (1) is provided with a mounting frame (15); The mounting frame (15) is provided with filter material grooves (19) above, the filter material grooves (19) are two, the mounting frame (15) is provided with positioning grooves (30) below, the positioning grooves (30) are two, and correspond to the filter material grooves (19) respectively; The mounting frame (15) is provided with extension grooves (31) on both sides, the mounting frame (15) is provided with an extension cavity (26) on the front surface, the extension cavity (26) is provided with a pull rope cavity (27) on the other side, and a partition plate (22) is mounted between the extension cavity (26) and the pull rope cavity (27); The extension cavity (26) is provided with a connecting plate (20), one side surface of the connecting plate (20) is provided with a butt block (21), the other side surface of the connecting plate (20) is provided with a spring (23), the butt block (21) passes through the extension groove (31) and is connected with the butt groove (17), the pull rope cavity (27) is provided with a main pull rope (25), the main pull rope (25) is provided with a secondary pull rope (24) on the upper end, the secondary pull rope (24) is two, the secondary pull rope (24) penetrates the partition plate (22) and is connected with the connecting plate (20), and the main pull rope (25) is provided with a pull ring (16) on the lower end.

2. The multi-layered composite high-efficiency ventilation duct structure according to claim 1, wherein: The lower surface of the air duct body (1) is provided with a supporting plate (2), the upper surface of the supporting plate (2) is provided with upper side plates (6) near both sides, and a first damping spring (3) is mounted between the upper side plates (6) and the air duct body (1).

3. The multi-layered composite high-efficiency ventilation duct structure according to claim 2, wherein: The bottom plate (14) is provided below the supporting plate (2), the bottom plate (14) is provided with a sliding groove (10) on the upper surface, the bottom plate (14) is provided with a lower side plate (7), the sliding groove (10) is provided with a sliding block (9), and the sliding block (9) is two, which is axisymmetrically distributed in the sliding groove (10).

4. The multi-layered composite high-efficiency ventilation duct structure according to claim 3, wherein: The sliding block (9) is provided with a lower fixed block (13), the lower side plate (7) and the lower fixed block (13) are provided with a second damping spring (8), the lower fixed block (13) is provided with a connecting piece (12), the connecting piece (12) is provided with an upper fixed block (11) on the upper end, and the upper fixed block (11) is connected with the lower surface of the supporting plate (2).

5. The multi-layered composite high-efficiency ventilation duct structure according to claim 4, wherein: The lower side plate (7) is provided with a mounting column (5) on one side, and the mounting column (5) is provided with a mounting plate (4) on the upper end.

6. The multi-layered composite high-efficiency ventilation duct structure according to claim 5, wherein: The filter material grooves (19) are provided with stainless steel filter plates (28), and the stainless steel filter plates (28) are provided with HEPA filter screens (29) in front.