Fire safety ventilation mechanism with dustproof function

By using dustproof nets and sealing structures in fire safety ventilation systems, and utilizing threaded connections and snap-fit ​​methods to achieve a tight connection between the air inlet and outlet pipes, the problems of poor sealing effect and inconvenient replacement of dustproof nets are solved, thereby improving ventilation effect and installation efficiency.

CN224018512UActive Publication Date: 2026-03-20WUHAN JIANGYU TRADING CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing fire safety ventilation systems have poor sealing performance during assembly, inadequate dust removal, and inconvenient dust screen replacement.

Method used

A fire safety ventilation mechanism with dustproof function was designed. It adopts a dustproof net and a sealing structure. The air inlet pipe and air outlet pipe are tightly connected by threaded connection and snap-fit ​​method, and the dustproof net can be easily disassembled and replaced.

Benefits of technology

It improves the sealing and dust removal effect of ventilation ducts, simplifies the replacement process of dust screens, and increases installation efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224018512U_ABST
    Figure CN224018512U_ABST
Patent Text Reader

Abstract

The fire safety ventilation mechanism with the dustproof function comprises an air inlet pipe, and a fixing plate is fixedly installed on the left side of the interior of the air inlet pipe; the first dustproof net is movably installed on the inner side of the left end of the air inlet pipe, a spring is fixedly arranged on the outer side of the left end of the air inlet pipe, a moving plate is fixedly installed on the outer side of the spring, and a fixing rod is movably connected to the inner side of the moving plate; and the connecting plate is movably mounted in the middle of the splicing plate, a mounting rod is fixedly mounted on the inner side of the connecting plate, a limiting rod is movably connected to the inner side of the connecting plate, an air outlet pipe is movably mounted on the right side of the interior of the splicing plate, a fan is fixedly arranged on the middle side of the interior of the air outlet pipe, and a dust removal structure is movably connected to the right side of the interior of the air outlet pipe. According to the fire safety ventilation mechanism with the dustproof function, dust prevention can be conveniently conducted on the fire safety ventilation mechanism, the ventilation pipelines can be conveniently spliced, and a dustproof net can be conveniently detached and replaced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to fire safety technical field, concretely is a fire safety ventilation mechanism with dustproof function. BACKGROUND

[0002] For example:

[0003] The utility model discloses a kind of fire safety ventilation devices, including ventilation main pipe, the outer wall of the ventilation main pipe is provided with external interface assembly, and ventilation main pipe one end is provided with ventilation machine assembly, the other end of the ventilation main pipe is communicated with air outlet pipe, and the other end of air outlet pipe is provided with air outlet baffle assembly, the external interface assembly includes external interface sealing baffle, external interface clamping block, external interface clamping groove, external interface fixed hasp, the side fixed connection of external interface sealing baffle is provided with external interface clamping block, and the outer wall of external interface clamping block is clamped and connected with external interface clamping groove;The utility model is provided with external interface assembly, and the connection of ventilation pipe can be more convenient through the external interface assembly of easy dismounting, and when not needing to connect, sealing can also be carried out through external interface sealing baffle, greatly save installation time, improve installation efficiency.

[0004] However, most of the prior art solutions have the following defects:

[0005] When ventilation pipe is spliced, it is spliced through external interface fixed hasp and external interface clamping groove and other structures, and in actual use process, the sealing effect when splicing is poor through external interface fixed hasp and external interface clamping groove and other structures;

[0006] The dust removal effect of ordinary fire safety ventilation mechanism is poor, thereby affecting the ventilation effect of fire safety ventilation mechanism;

[0007] The replacement of dustproof net is not convenient enough, therefore, the utility model provides a fire safety ventilation mechanism with dustproof function to solve the problems proposed above. INVENTION CONTENTS

[0008] The utility model is to provide a kind of fire safety ventilation mechanism with dustproof function to solve the problems proposed in the above background art that when ventilation pipe is spliced, it is spliced through external interface fixed hasp and external interface clamping groove and other structures, and in actual use process, the sealing effect when splicing is poor through external interface fixed hasp and external interface clamping groove and other structures, the dust removal effect of ordinary fire safety ventilation mechanism is poor, thereby affecting the ventilation effect of fire safety ventilation mechanism, the replacement of dustproof net is not convenient enough.

[0009] To achieve the above object, the utility model provides the following technical scheme: A fire safety ventilation mechanism with dustproof function, including air inlet pipe, its inside left side fixed mounting has fixed plate,

[0010] Further comprising:

[0011] The first dust screen is movably installed on the left end of the air inlet pipe, the left end of the air inlet pipe is fixedly provided with a spring, the outer side of the spring is fixedly installed with a moving plate, the inner side of the moving plate is movably connected with a fixed rod, the right end of the air inlet pipe is movably installed with a splicing plate, and the inside of the splicing plate is fixedly installed with a sealing plate,

[0012] The connecting plate is movably installed on the middle part of the splicing plate, the inner side of the connecting plate is fixedly installed with a mounting rod, the inner side of the connecting plate is movably connected with a limiting rod, the inside of the air outlet pipe is movably installed with a dust removal structure.

[0013] Preferably, the dust removal structure comprises a second dust screen, which is movably installed on the inner right side of the air outlet pipe, and the upper end of the second dust screen is fixedly installed with a mounting block, and the outer side of the middle part of the mounting block is movably connected with a connecting rod.

[0014] Preferably, the mounting block and the air outlet pipe are connected in a clamping mode, and the vertical section shape of the mounting block is an "L" shaped structure.

[0015] Preferably, the mounting block and the connecting rod are connected in a threaded mode, and the connecting rod is symmetrically distributed about the center line of the air outlet pipe.

[0016] Preferably, the moving plate and the air inlet pipe are connected in a sliding mode, and the vertical section shape of the moving plate is an "L" shaped structure.

[0017] Preferably, the moving plate and the fixed rod are connected in a threaded mode and play a fixing role for the first dust screen.

[0018] Preferably, the sealing plate and the air inlet pipe are connected in a fitting mode and play a sealing role between the air inlet pipe and the air outlet pipe.

[0019] Preferably, the mounting rod and the air inlet pipe are connected in a clamping mode, and the mounting rod is symmetrically distributed about the center line of the splicing plate.

[0020] Compared with the prior art, the utility model has the advantages that the fire safety ventilation mechanism with dustproof function is convenient for dust prevention of the fire safety ventilation mechanism, convenient for splicing of the ventilation pipeline, and convenient for dismounting and replacing of the dust screen,

[0021] By installing the air inlet pipe and the air outlet pipe on the left and right sides of the splicing plate respectively, the air inlet pipe and the air outlet pipe are clamped and connected on the left and right sides of the splicing plate respectively, so that the air inlet pipe and the air outlet pipe are attached to the sealing plate, the connecting plate is installed on the outer side of the splicing plate, the connecting plate drives the mounting rod to slide inward in the splicing plate, so that the mounting rod is clamped and connected on the outer side of the right end of the air inlet pipe and the outer side of the left end of the air outlet pipe, the limiting rod is rotated, and the limiting rod is screw-connected on the inner side of the connecting plate, so that the limiting rod is screw-connected in the splicing plate, and the air inlet pipe and the air outlet pipe are conveniently spliced;

[0022] By the first dust screen movably installed on the left end inner side of the air inlet pipe and the second dust screen movably connected on the right inner side of the air outlet pipe, the interiors of the air inlet pipe and the air outlet pipe are conveniently dustproofed, the connecting rod is rotated, the connecting rod is screw-connected on the middle outer side of the mounting block, so that the connecting rod slides outward in the middle of the mounting block, and then the connecting rod is separated on the outer side of the air outlet pipe, the mounting block is pulled upwards, the mounting block drives the second dust screen to slide upwards in the interior of the air outlet pipe, so that the mounting block is separated on the outer side of the air outlet pipe, and then the second dust screen is separated in the interior of the air outlet pipe, and the second dust screen is conveniently disassembled and replaced.

[0023] By rotating the fixing rod, the fixing rod is screw-connected on the inner side of the moving plate, so that the fixing rod is screw-connected on the outer side of the first dust screen, and then the fixing rod slides leftwards in the inner side of the moving plate, the fixing rod is separated in the middle of the fixing plate, so that the fixing rod is separated on the outer side of the first dust screen, and then the fixing rod is separated in the inner side of the moving plate, the moving plate located on the lower side of the air inlet pipe slides downwards under the action of gravity, the moving plate is pulled outwards, the moving plate slides outwards on the left end of the air inlet pipe, so that the moving plate drives the spring to be elongated, and then the moving plate is separated on the left side of the first dust screen, the first dust screen is pulled, the first dust screen slides leftwards in the interior of the air inlet pipe, so that the first dust screen is separated on the left side of the fixing plate, and then the first dust screen is separated in the interior of the air inlet pipe, and the first dust screen is conveniently disassembled and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is an overall cross-section structure schematic view of the air inlet pipe and the first dust screen connected in the utility model;

[0025] Figure 2 It is an overall cross-section structure schematic view of the air inlet pipe and the first dust screen connected in the utility model; Figure 1 It is an enlarged structure schematic view of position A in the utility model;

[0026] Figure 3 It is an enlarged structure schematic view of position B in the utility model; Figure 1 It is an enlarged structure schematic view of position B in the utility model;

[0027] Figure 4 It is the whole section structure schematic diagram of the air outlet pipe and the second dust screen connection of the utility model;

[0028] Figure 5 It is the whole section structure schematic diagram of the air outlet pipe and the second dust screen connection of the utility model; Figure 4 It is the enlarged structure schematic diagram of C place in the middle;

[0029] Figure 6 It is the explosion structure schematic diagram of the air inlet pipe and the splicing plate connection of the utility model.

[0030] In the drawing: 1, air inlet pipe;2, first dust screen;3, splicing plate;4, air outlet pipe;5, fan;6, second dust screen;7, mounting block;8, fixed plate;9, spring;10, moving plate;11, fixed rod;12, sealing plate;13, connecting plate;14, mounting rod;15, limiting rod;16, connecting rod. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Please refer to Figures 1-6The utility model provides a technical scheme: a fire safety ventilation mechanism with dustproof function, include, fixed plate 8 is fixedly installed to the inside left side of air inlet pipe 1, first dust screen 2 is movably installed in the left end inside of air inlet pipe 1, and the left end outside of air inlet pipe 1 is fixedly provided with spring 9, the outside fixed mounting of spring 9 has moving plate 10, and the inside movable connection of moving plate 10 has fixed link 11, the right end outside of air inlet pipe 1 movably installs spliced plate 3, and the inside middle side fixed mounting of spliced plate 3 has sealing plate 12, rotates fixed link 11, makes fixed link 11 connect in the inside of moving plate 10, to make fixed link 11 connect in the outside of first dust screen 2, and then make fixed link 11 slide to the left side in the inside of moving plate 10, make fixed link 11 separate in the middle part of fixed plate 8, to make fixed link 11 separate in the outside of first dust screen 2, and then make fixed link 11 separate in the inside of moving plate 10, make moving plate 10 under air inlet pipe 1 slide down under the influence of self gravity, pull moving plate 10 again to the outside, make moving plate 10 slide to the outside in the left end of air inlet pipe 1, to make moving plate 10 drive spring 9 to lengthen, then make moving plate 10 separate in the left side of first dust screen 2, pull first dust screen 2, make first dust screen 2 slide to the left side in the inside of air inlet pipe 1, to make first dust screen 2 separate in the left side of fixed plate 8, then make first dust screen 2 separate in the inside of air inlet pipe 1, convenient for the disassembly replacement of first dust screen 2;

[0033] Connecting plate 13 movably installs in the middle part of spliced plate 3, and the inside fixed mounting of connecting plate 13 has mounting rod 14, the inside movable connection of connecting plate 13 has limit rod 15, the inside right side movable installation of spliced plate 3 has air outlet pipe 4, and the inside middle side fixed setting of air outlet pipe 4 has fan 5, and the inside right side movable connection of air outlet pipe 4 has dust removal structure, installs air inlet pipe 1 and air outlet pipe 4 respectively in the left and right sides of spliced plate 3, makes air inlet pipe 1 and air outlet pipe 4 connect respectively in the left and right sides of spliced plate 3, to make air inlet pipe 1 and air outlet pipe 4 all with sealing plate 12 is conformed to, installs connecting plate 13 in the outside of spliced plate 3, makes connecting plate 13 drive mounting rod 14 slide to the inside in the inside of spliced plate 3, to make mounting rod 14 connect respectively in the right end outside of air inlet pipe 1 and the left end outside of air outlet pipe 4, rotates limit rod 15, makes limit rod 15 connect in the inside of connecting plate 13, to make limit rod 15 connect in the inside of spliced plate 3, convenient for the splicing between air inlet pipe 1 and air outlet pipe 4, through the movable installation of first dust screen 2 in the left end inside of air inlet pipe 1 and the movable connection of dust removal structure in the inside right side of air outlet pipe 4, convenient for the dustproof inside of air inlet pipe 1 and air outlet pipe 4, again through the pull of dust removal structure upwards, make dust removal structure separate in the inside of air outlet pipe 4, convenient for the disassembly replacement of second dust screen 6.

[0034] In use of the fire safety ventilation mechanism with dustproof function, specifically as shown in Figure 1 、 Figure 3 and Figure 6 , the air inlet pipe 1 and the air outlet pipe 4 are respectively installed on the left and right sides of the splicing plate 3, the sealing plate 12 is connected with the air inlet pipe 1 in a way of sticking and plays a sealing role between the air inlet pipe 1 and the air outlet pipe 4, the air inlet pipe 1 and the air outlet pipe 4 are respectively clamped and connected on the left and right sides of the splicing plate 3, so that the air inlet pipe 1 and the air outlet pipe 4 are both stuck with the sealing plate 12, the mounting rod 14 is connected with the air inlet pipe 1 in a way of clamping and is symmetrically distributed about the center line of the splicing plate 3, the connecting plate 13 is installed on the outside of the splicing plate 3, so that the connecting plate 13 drives the mounting rod 14 to slide inward in the splicing plate 3, so that the mounting rod 14 is clamped and connected on the right outer side of the air inlet pipe 1 and the left outer side of the air outlet pipe 4 respectively, the limiting rod 15 is screwed on the inner side of the connecting plate 13, so that the limiting rod 15 is screwed in the splicing plate 3, facilitating splicing between the air inlet pipe 1 and the air outlet pipe 4;

[0035] Specifically as shown in Figure 1 、 Figure 4 and Figure 5 , the first dustproof net 2 is movably installed on the left inner side of the air inlet pipe 1 and the second dustproof net 6 is movably connected on the right inner side of the air outlet pipe 4, facilitating dustproof of the interiors of the air inlet pipe 1 and the air outlet pipe 4, the mounting block 7 is connected with the connecting rod 16 in a way of screwing and the connecting rod 16 is symmetrically distributed about the center line of the air outlet pipe 4, the connecting rod 16 is screwed on the middle outer side of the mounting block 7, so that the connecting rod 16 slides outward in the middle of the mounting block 7, and then the connecting rod 16 is separated on the outer side of the air outlet pipe 4, the mounting block 7 is connected with the air outlet pipe 4 in a way of clamping and the vertical section shape of the mounting block 7 is "L" shaped structure, the mounting block 7 is pulled upward, so that the mounting block 7 drives the second dustproof net 6 to slide upward in the interior of the air outlet pipe 4, so that the mounting block 7 is separated on the outer side of the air outlet pipe 4, and then the second dustproof net 6 is separated in the interior of the air outlet pipe 4, facilitating dismounting and replacing of the second dustproof net 6;

[0036] Specifically as shown in Figure 1 and Figure 2In the middle, rotating the fixed rod 11, the moving plate 10 and the fixed rod 11 are connected in a threaded manner and play a fixed role to the first dust screen 2, the fixed rod 11 is screw-connected in the inner side of the moving plate 10, so that the fixed rod 11 is screw-connected in the outer side of the first dust screen 2, and then the fixed rod 11 slides to the left side in the inner side of the moving plate 10, the fixed rod 11 is separated in the middle of the fixed plate 8, so that the fixed rod 11 is separated in the outer side of the first dust screen 2, and then the fixed rod 11 is separated in the inner side of the moving plate 10, the moving plate 10 located in the lower side of the air inlet pipe 1 is affected by its own gravity and slides downward, the moving plate 10 and the air inlet pipe 1 are connected in a sliding manner, and the vertical section shape of the moving plate 10 is an L-shaped structure, then the moving plate 10 is pulled outward, the moving plate 10 slides outward at the left end of the air inlet pipe 1, so that the moving plate 10 drives the spring 9 to elongate, and then the moving plate 10 is separated on the left side of the first dust screen 2, the first dust screen 2 is pulled, and the first dust screen 2 slides to the left in the air inlet pipe 1, so that the first dust screen 2 is separated on the left side of the fixed plate 8, and then the first dust screen 2 is separated in the air inlet pipe 1, facilitating disassembly and replacement of the first dust screen 2.

[0037] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A fire safety ventilation mechanism with dustproof function, comprising an air inlet pipe (1), wherein a fixing plate (8) is fixedly installed on the left side inside the pipe; Its features are, Also includes: The first dustproof net (2) is movably installed on the inner side of the left end of the air inlet pipe (1), and a spring (9) is fixedly installed on the outer side of the left end of the air inlet pipe (1). A movable plate (10) is fixedly installed on the outer side of the spring (9), and a fixed rod (11) is movably connected to the inner side of the movable plate (10). A splicing plate (3) is movably installed on the outer side of the right end of the air inlet pipe (1), and a sealing plate (12) is fixedly installed on the inner middle side of the splicing plate (3). A connecting plate (13) is movably installed in the middle of the splicing plate (3), and an installation rod (14) is fixedly installed on the inner side of the connecting plate (13). A limit rod (15) is movably connected to the inner side of the connecting plate (13). An air outlet pipe (4) is movably installed on the inner right side of the splicing plate (3), and a fan (5) is fixedly installed on the inner middle side of the air outlet pipe (4). A dust removal structure is movably connected to the inner right side of the air outlet pipe (4).

2. A fire safety ventilation mechanism with dustproof function according to claim 1, characterized in that: The dust removal structure includes a second dustproof net (6), which is movably installed on the inside right side of the air outlet pipe (4), and an installation block (7) is fixedly installed on the upper outer side of the second dustproof net (6), and a connecting rod (16) is movably connected to the middle outer side of the installation block (7).

3. A fire safety ventilation mechanism with dustproof function according to claim 2, characterized in that: The mounting block (7) is connected to the air outlet pipe (4) by a snap-fit ​​method, and the vertical cross-section of the mounting block (7) is an "L" shaped structure.

4. A fire safety ventilation mechanism with dustproof function according to claim 3, characterized in that: The mounting block (7) and the connecting rod (16) are connected by threads, and the connecting rod (16) is symmetrically distributed about the center line of the air outlet pipe (4).

5. A fire safety ventilation mechanism with dustproof function according to claim 1, characterized in that: The movable plate (10) is connected to the air inlet pipe (1) by sliding, and the vertical cross-section of the movable plate (10) is an "L" shaped structure.

6. A fire safety ventilation mechanism with dustproof function according to claim 5, characterized in that: The movable plate (10) and the fixed rod (11) are connected by threads and serve to fix the first dustproof net (2).

7. A fire safety ventilation mechanism with dustproof function according to claim 1, characterized in that: The sealing plate (12) is connected to the air inlet pipe (1) by a fitting method and plays a sealing role between the air inlet pipe (1) and the air outlet pipe (4).

8. A fire safety ventilation mechanism with dustproof function according to claim 1, characterized in that: The mounting rod (14) is connected to the air inlet pipe (1) by a snap-fit ​​method, and the mounting rod (14) is symmetrically distributed about the center line of the splicing plate (3).

Citation Information

Patent Citations

  • Fire safety ventilation device

    CN220601712U