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CN-224229548-U - Smoke exhaust pipeline inlet cover

CN224229548UCN 224229548 UCN224229548 UCN 224229548UCN-224229548-U

Abstract

An inlet cover of a smoke exhaust pipeline belongs to the technical field of oil smoke treatment equipment. The lower end of the cover body is provided with an inner edge, a filter screen layer is arranged in the cover body, and the filter screen layer is arranged on the inner edge and is made of porous flame-retardant materials. The filter screen layer is fixedly connected with the cover body through a plurality of screws. The inner wall of the cover body is provided with a bulge, inlet end of smoke exhaust pipeline the outer wall is provided with an L-shaped chute, the bulge is correspondingly connected with the L-shaped chute in a sliding limit manner. Or the two semicircular hoops are sleeved on the outer side of the smoke exhaust pipeline after being enclosed in a circular ring shape, the two ends of the semicircular hoops are connected through bolts, the bolts are connected with one end of the spring, and the other end of the spring is hooked and connected with the through hole of the outer wall of the cover body. The utility model avoids the accumulation of oil dirt on the pipe wall and the pollution of dripping back, obviously prolongs the maintenance period of the smoke exhaust system, eliminates the risk of ignition of combustible oil stains in the pipe, ensures the use safety while improving the maintenance efficiency of equipment, and comprehensively optimizes the functionality and reliability of the smoke exhaust system.

Inventors

  • CAO SHOUGUO
  • CAO YUE

Assignees

  • 曹月

Dates

Publication Date
20260512
Application Date
20250625

Claims (6)

  1. 1. The smoke exhaust pipeline inlet cover is characterized by comprising a cover body (1) and a filter screen layer (2), wherein the cover body (1) is of a ring body structure, an inner edge (8) is arranged on the lower end face of the cover body (1), the filter screen layer (2) is arranged in the cover body (1), the filter screen layer (2) is placed on the inner edge (8), and the cover body (1) is detachably and fixedly connected with the smoke exhaust pipeline inlet through a connecting unit.
  2. 2. A smoke exhaust duct inlet cover according to claim 1, characterized in that said filter screen layer (2) is of a porous flame retardant material.
  3. 3. The smoke exhaust pipe inlet cover according to claim 1, wherein the filter screen layer (2) is fixedly connected with the cover body (1) through a plurality of screws (3), the screws (3) are arranged along the circumferential direction of the cover body (1), and each screw (3) is screwed with the side wall of the cover body (1).
  4. 4. The smoke exhaust pipeline inlet cover according to claim 2 or 3 is characterized in that the connecting unit comprises a plurality of protrusions and a plurality of L-shaped sliding grooves, the protrusions are arranged on the inner wall of the cover body (1), the L-shaped sliding grooves are arranged on the outer wall of the smoke exhaust pipeline inlet end, and the protrusions are in one-to-one corresponding sliding limiting connection with the L-shaped sliding grooves.
  5. 5. The smoke exhaust pipe inlet cover according to claim 2 or 3, wherein the connecting unit comprises two semicircular hoops (5), two bolts (6) and two springs (7), the two semicircular hoops (5) are sleeved on the outer side of the smoke exhaust pipe after being enclosed in a circular ring shape, two ends of the two semicircular hoops (5) are respectively connected through corresponding bolts (6), each bolt (6) is respectively in limit connection with one end of the corresponding spring (7), two through holes are formed in the outer wall of the cover body (1), and the other ends of the two springs (7) are respectively in hooking connection with the corresponding through holes.
  6. 6. The smoke exhaust pipeline inlet cover according to claim 5, wherein the outer wall of the cover body (1) is provided with a convex edge (4), and the other end of each spring (7) is hooked and connected with the convex edge (4).

Description

Smoke exhaust pipeline inlet cover Technical Field The utility model relates to a smoke exhaust pipeline inlet cover, and belongs to the technical field of oil smoke treatment equipment. Background In the operation process of the barbecue store, the smoke exhaust system needs to continuously process high-temperature grease smoke and combustion waste gas. The prior art generally adopts to set up porous apron structure at exhaust pipe just to the opening part of overware, and this design has following technical defect: 1. Pollution problem caused by lack of fume purification The current vent cover structure only has a basic airflow guiding function, and a filtering module is not integrated. The oil fume particles directly enter the pipeline after untreated, and can form viscous oil scale accumulation on the pipe wall after long-term operation. Such deposits not only reduce the efficiency of the smoke evacuation, but may also drip back into the bakeware area due to gravity, causing food contamination and deterioration of dining environment. 2. Fire safety hidden trouble During the charcoal fire baking process, oil and fat drop may cause deflagration phenomenon, and the through hole cover can not obstruct open fire inhalation. The inflammable oil stain attached to the inner wall of the pipeline is extremely easy to cause flue fire after contacting flame. The existing designs lack flame blocking mechanisms and do not use flame retardant materials, constituting a significant safety risk. Disclosure of Invention In order to solve the problems in the background technology, the utility model provides a smoke exhaust pipeline inlet cover. The smoke exhaust pipeline inlet cover comprises a cover body and a filter screen layer, wherein the cover body is of a ring body structure, an inner edge is arranged on the lower end face of the cover body, the filter screen layer is arranged in the cover body, the filter screen layer is placed on the inner edge, and the cover body is detachably and fixedly connected with the smoke exhaust pipeline inlet through a connecting unit. Further, the filter screen layer is made of porous flame-retardant materials. Further, the filter screen layer is fixedly connected with the cover body through a plurality of screws, the screws are arranged along the circumference of the cover body, and each screw is screwed with the side wall of the cover body. Furthermore, the connecting unit comprises a plurality of bulges and a plurality of L-shaped sliding grooves, wherein the inner wall of the cover body is provided with the plurality of bulges, the outer wall of the inlet end of the smoke exhaust pipeline is provided with the plurality of L-shaped sliding grooves, and the plurality of bulges are in one-to-one corresponding sliding limiting connection with the plurality of L-shaped sliding grooves. The connecting unit comprises two semicircular hoops, two bolts and two springs, wherein the two semicircular hoops are sleeved on the outer side of the smoke exhaust pipeline after being enclosed in a circular ring shape, two ends of the two semicircular hoops are respectively connected with one ends of the corresponding springs through corresponding bolts, each bolt is respectively in limit connection with one end of the corresponding spring, two through holes are formed in the outer wall of the cover body, and the other ends of the two springs are respectively connected with the corresponding through holes in a hooking mode. Further, the outer wall of the cover body is provided with a convex edge, and the other end of each spring is hooked and connected with the convex edge. Compared with the prior art, the utility model has the beneficial effects that: The utility model forms a physical filtering barrier at the inlet of the smoke exhaust pipeline by adopting a filter screen layer constructed by flame-retardant oil absorbing materials such as nickel-titanium alloy, and the like, realizes the efficient interception of oil smoke particles on the basis of the airflow guiding function, avoids the accumulation of oil dirt on the pipe wall and the back drop pollution, obviously prolongs the maintenance period of the smoke exhaust system, effectively blocks the deflagration open flame of charcoal fire by matching with a closed installation structure, eliminates the ignition risk of combustible oil stains in the pipeline, and simultaneously combines the operation convenience and the structural stability by adopting a modularized quick-release design (the spiral connection of an L-shaped chute or the fixation of a spring clamp), and the specially arranged spring hook structure further simplifies the installation flow, ensures the use safety while improving the maintenance efficiency of equipment, and comprehensively optimizes the functionality and the reliability of the smoke exhaust system. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a schematic diagram of th