CN220103380U

CN220103380U - Fireproof ventilating duct

Info

Publication number: CN220103380U
Application number: CN202320996983.3U
Authority: CN
Inventors: 于洋
Original assignee: Shandong Huiling New Material Technology Co ltd
Current assignee: Shandong Huiling New Material Technology Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-11-28
Anticipated expiration: 2033-04-27

Abstract

The utility model discloses a fireproof ventilation pipeline, which comprises a ventilation pipeline, wherein a through groove is formed in the bottom of the ventilation pipeline, when a dust filter screen needs to be disassembled, a pull plate is pulled downwards, the pull plate can drive a movable rod to move downwards, so that the end parts of two pulling ropes move downwards, meanwhile, the two pulling ropes pull two clamping blocks to move close to each other, so that the two clamping blocks are separated from the two clamping grooves, the two springs are compressed, and then a handle is pulled downwards, so that the dust filter screen and a sealing plate are pulled out from the inside of the ventilation pipeline, and the disassembly and cleaning of the dust filter screen are facilitated; after the dust filter screen is cleaned, the dust filter screen and the sealing plate are installed back to the original position, and when the two clamping blocks are aligned with the two clamping grooves, the two springs generate elastic force at the moment, so that the two clamping blocks are clamped with the two clamping grooves, the dust filter screen and the sealing plate are fixed in the ventilating duct, and the dust filter screen can be detached conveniently.

Description

Fireproof ventilating duct

Technical Field

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

Background

The fireproof ventilating duct is provided with a flame-retardant coating on the outer side of the ventilating duct, so that the ventilating duct has certain fireproof performance, the ventilating duct is mainly used for indoor and outdoor air flow and a dust filter screen is arranged in the channel in order to prevent outdoor dust from entering the using room along the channel.

Among the prior art, workshop exhaust-gas treatment air pipe for the publication number CN211753357U is authorized, including first pipeline, all there is the second pipeline through connecting bolt threaded connection all around the first pipeline right-hand member, the through-hole has transversely been seted up to the center department on first pipeline and second pipeline top, and the bolt preformed hole has all been seted up all around on first pipeline and second pipeline top, and the center department of first pipeline and second pipeline inner chamber is provided with exhaust-gas treatment mechanism, and exhaust-gas treatment mechanism includes mount pad, handle, fixing base, fastening bolt, filter screen, filter pulp and active carbon filter screen. According to the utility model, through the structural cooperation of the mounting seat, the handle, the fixing seat, the fastening bolt, the filter screen, the filter cotton and the active carbon filter screen, the exhaust gas flowing through the first pipeline and the second pipeline can be sufficiently filtered by particles, so that the pollution of dust particles carried by the exhaust gas to the surrounding environment is prevented, the air quality of the periphery of a workshop is improved, and the harm of the exhaust gas pollution to the body health of surrounding residents is avoided.

The above-mentioned patent of authorizing has following problem, and the dust filter screen is fixed in the inside of pipeline through four fastening bolts, and four fastening bolts are located the top of pipeline, lead to the dust filter screen to dismantle the comparison and waste time and energy, be unfavorable for the clearance of clearance personnel's quick dismantlement dust filter screen, lead to work efficiency low.

Aiming at the problems, innovative design is urgently needed on the basis of the original ventilating duct.

Disclosure of Invention

The present utility model is directed to a fireproof ventilation duct, so as to solve the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire prevention air pipe, includes the air pipe, the logical groove has been seted up to the bottom of air pipe, the internally mounted of logical groove has the closing plate, the top of closing plate is fixed with the dust filter screen, the dust filter screen is located the inside of air pipe, the both sides of air pipe bottom all are fixed with the fixed block, the center department of closing plate bottom is fixed with the handle, install quick dismantlement installation mechanism on the closing plate;

preferably, the quick dismounting and mounting mechanism comprises a groove, the both sides of closing plate are located air pipe's below and all set up flutedly, the inside of recess is fixed with the spring, the end fixing of spring has the fixture block, the tip of fixture block is located the inside of draw-in groove, the draw-in groove is seted up in one side of fixed block, two the wire casing has been seted up to the inside that is located the closing plate between the recess, the reservation groove has been seted up to the center department of wire casing bottom, the internally mounted of reservation groove has the movable rod, the lower extreme of movable rod runs through the inside of reservation groove and is fixed with the arm-tie, be fixed with the haulage rope between the tip of the top of movable rod one side and the fixture block.

Preferably, the sealing plate comprises a stainless steel plate and a rubber sleeve, wherein the rubber sleeve is fixed on the outer wall of the stainless steel plate, and the outer wall of the rubber sleeve is mutually attached to the inner wall of the through groove.

Preferably, the side of the dust filter screen is mutually abutted with the inner wall of the ventilating duct.

Preferably, the clamping block and the clamping groove are in clamping connection, and the two clamping blocks and the two clamping grooves are symmetrically distributed on the central axis of the sealing plate.

Preferably, the movable rod is in a rectangular structure in top view, and the movable rod and the reserved groove form a clamping sliding structure.

Preferably, the pull plate is designed to be in a circular arc structure, and the top of the pull plate is mutually abutted with the bottom of the sealing plate.

Compared with the prior art, the utility model has the beneficial effects that: when the dust filter screen is required to be disassembled, the pull plate is pulled downwards, the pull plate can drive the movable rod to move downwards, so that the end parts of the two traction ropes move downwards, meanwhile, the two clamping blocks are pulled by the two traction ropes to move close to each other, the two clamping blocks are separated from the two clamping grooves, the two springs are compressed, and then the handle is pulled downwards, so that the dust filter screen and the sealing plate are pulled out from the inside of the ventilation pipeline, and the disassembly and cleaning of the dust filter screen are facilitated; after the dust filter screen is cleaned, the dust filter screen and the sealing plate are installed back to the original position, and when the two clamping blocks are aligned with the two clamping grooves, the two springs generate elastic force at the moment, so that the two clamping blocks are clamped with the two clamping grooves, the dust filter screen and the sealing plate are fixed in the ventilating duct, and the dust filter screen can be detached conveniently.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic top view of the movable bar of the present utility model;

FIG. 4 is a schematic view of a seal plate according to the present utility model.

In the figure: 1. a ventilation duct; 2. a dust filter screen; 3. a sealing plate; 31. a stainless steel plate; 32. a rubber sleeve; 4. a through groove; 5. a fixed block; 6. a handle; 7. the quick dismounting and mounting mechanism; 71. a groove; 72. a spring; 73. a clamping block; 74. a clamping groove; 75. a wire slot; 76. a reserved groove; 77. a movable rod; 78. a traction rope; 79. pulling the plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a fireproof ventilation pipeline, includes ventilation pipeline 1, and ventilation pipeline 1's bottom has been seted up logical groove 4, and logical inslot 4's internally mounted has closing plate 3, and the top of closing plate 3 is fixed with dust filter screen 2, and dust filter screen 2 is located ventilation pipeline 1's inside, and ventilation pipeline 1 bottom both sides all are fixed with fixed block 5, and the center department of closing plate 3 bottom is fixed with handle 6, installs quick dismantlement installation mechanism 7 on the closing plate 3;

quick dismantlement installation mechanism 7 includes recess 71, recess 71 has all been seted up to the below that the both sides of closing plate 3 are located ventilation pipeline 1, the inside of recess 71 is fixed with spring 72, the end fixing of spring 72 has fixture block 73, the tip of fixture block 73 is located the inside of draw-in groove 74, the draw-in groove 74 is seted up in one side of fixed block 5, slot 75 has been seted up to the inside that is located closing plate 3 between two recesses 71, reservation groove 76 has been seted up in the center department of slot 75 bottom, reservation groove 76's internally mounted has movable rod 77, the lower extreme of movable rod 77 runs through reservation groove 76's inside and is fixed with arm-tie 79, be fixed with haulage rope 78 between the top of movable rod 77 one side and the tip of fixture block 73.

The sealing plate 3 includes corrosion resistant plate 31 and rubber cover 32, and the outer wall of corrosion resistant plate 31 is fixed with rubber cover 32, and the outer wall of rubber cover 32 is laminated each other with the inner wall of logical groove 4, has guaranteed the seal of sealing plate 3 and logical groove 4 junction, avoids appearing the phenomenon of gas leakage.

The side of the dust filter screen 2 is mutually abutted against the inner wall of the ventilation pipeline 1, so that air flowing in the ventilation pipeline 1 is filtered by the dust filter screen 2, and outdoor dust is prevented from entering a room.

The clamping blocks 73 and the clamping grooves 74 are in clamping connection, two clamping blocks 73 and clamping grooves 74 are symmetrically distributed on the central axis of the sealing plate 3, and the positions of the dust filter screen 2 and the sealing plate 3 can be fixed by clamping the clamping blocks 73 and the clamping grooves 74.

The movable rod 77 is designed to be rectangular in top view, and the movable rod 77 and the reserved groove 76 form a clamping sliding structure, so that the movable rod 77 can only move up and down and cannot rotate, and the pull plate 79 cannot rotate.

The pulling plate 79 is designed to be in a circular arc structure, and the top of the pulling plate 79 is mutually abutted against the bottom of the sealing plate 3, so that fingers can conveniently pull the pulling plate 79 to move.

Working principle: when the fireproof ventilation pipeline is used, firstly, when the dust filter screen 2 needs to be disassembled for cleaning, the palm of a cleaning person is propped against the bottom of the handle 6 at the moment, then, a middle finger penetrates through the interior of the pull plate 79, other four fingers are buckled on the handle 6, then, the middle finger downwards applies force to enable the pull plate 79 and the movable rod 77 to downwards move, meanwhile, the movable rod 77 drives the end parts of the two traction ropes 78 to downwards move, and meanwhile, the two traction ropes 78 pull the two clamping blocks 73 to mutually move so that the two clamping blocks 73 are separated from the two clamping grooves 74, the two springs 72 are compressed, and then, the handle 6 is downwards pulled, so that the dust filter screen 2 and the sealing plate 3 are pulled out of the ventilation pipeline 1, and the dust filter screen 2 is convenient to disassemble and clean; when the dust filter screen 2 is cleaned, the dust filter screen 2 and the sealing plate 3 are mounted back to the original positions, and when the two clamping blocks 73 are aligned with the two clamping grooves 74, the two springs 72 generate elastic force, so that the two clamping blocks 73 are clamped with the two clamping grooves 74, the dust filter screen 2 and the sealing plate 3 are fixed inside the ventilation pipeline 1, and the dust filter screen 2 is convenient to detach.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A fire protection ventilation duct comprising a ventilation duct (1), characterized in that: the novel ventilating duct is characterized in that a through groove (4) is formed in the bottom of the ventilating duct (1), a sealing plate (3) is arranged in the through groove (4), a dust filter screen (2) is fixed at the top of the sealing plate (3), the dust filter screen (2) is located in the ventilating duct (1), fixing blocks (5) are fixed on two sides of the bottom of the ventilating duct (1), a handle (6) is fixed at the center of the bottom of the sealing plate (3), and a quick dismounting and mounting mechanism (7) is arranged on the sealing plate (3);

quick dismantlement installation mechanism (7) include recess (71), recess (71) are all seted up to the both sides of closing plate (3) below that are located air pipe (1), the inside of recess (71) is fixed with spring (72), the end fixing of spring (72) has fixture block (73), the tip of fixture block (73) is located the inside of draw-in groove (74), one side in fixed block (5) is seted up to fixture block (74), two be located the inside of closing plate (3) between recess (71) has seted up wire casing (75), reservation groove (76) are seted up to the center department of wire casing (75) bottom, the internally mounted of reservation groove (76) has movable rod (77), the lower extreme of movable rod (77) runs through the inside of reservation groove (76) and is fixed with arm-tie (79), be fixed with between the tip of movable rod (77) one side and fixture block (73).

2. A fire protection ventilation duct according to claim 1, characterized in that: the sealing plate (3) comprises a stainless steel plate (31) and a rubber sleeve (32), wherein the rubber sleeve (32) is fixed on the outer wall of the stainless steel plate (31), and the outer wall of the rubber sleeve (32) is mutually attached to the inner wall of the through groove (4).

3. A fire protection ventilation duct according to claim 1, characterized in that: the side of the dust filter screen (2) is mutually abutted with the inner wall of the ventilating duct (1).

4. A fire protection ventilation duct according to claim 1, characterized in that: the clamping blocks (73) and the clamping grooves (74) are in clamping connection, and the clamping blocks (73) and the clamping grooves (74) are symmetrically distributed in two with respect to the central axis of the sealing plate (3).

5. A fire protection ventilation duct according to claim 1, characterized in that: the movable rod (77) is of a rectangular structure in top view, and the movable rod (77) and the reserved groove (76) form a clamping sliding structure.

6. A fire protection ventilation duct according to claim 1, characterized in that: the pull plate (79) is designed to be in a circular arc structure, and the top of the pull plate (79) is mutually abutted with the bottom of the sealing plate (3).