CN222256873U

CN222256873U - A device for preventing building ventilation duct from blocking

Info

Publication number: CN222256873U
Application number: CN202420285671.6U
Authority: CN
Inventors: 王振洲; 周斌
Original assignee: Shandong Laigang Lvjian Development Co ltd
Current assignee: Shandong Laigang Lvjian Development Co ltd
Priority date: 2024-02-07
Filing date: 2024-02-07
Publication date: 2024-12-27
Anticipated expiration: 2034-02-07

Abstract

The utility model relates to the technical field of building ventilation pipelines, and provides an anti-blocking device for a building ventilation pipeline, which comprises a ventilation pipe, wherein connecting flanges are arranged at two ends of the ventilation pipe, a filter box is arranged at one side of the connecting flange, the filter box is characterized in that one side of the inside of the filter box is provided with a first filter plate, a movable filter plate is arranged in the first filter plate, a connecting frame is arranged on one periphery of the outside of the movable filter plate, a spring ejector rod is arranged on one side of the connecting frame, and one end of the spring ejector rod is connected with the first support rod. According to the utility model, the first filter plate and the second filter plate are arranged, the movable filter plate is arranged in the first filter plate, the movable filter plate is connected with the electric telescopic rod, the electric telescopic rod can drive the movable filter plate to move to open the first filter plate, at the moment, the second filter plate is used for filtering air, and meanwhile, the alarm can alarm to remind a worker to clean or replace the first filter plate and the movable filter plate in time, so that the blocked filter plate can be cleaned accurately, and the labor cost is saved.

Description

Anti-blocking device for building ventilating duct

Technical Field

The utility model relates to the technical field of building ventilation pipelines, in particular to an anti-blocking device for a building ventilation pipeline.

Background

The ventilating duct is a short for ventilating duct, which is a metal or nonmetal pipeline for ventilating and air conditioning engineering of industrial and civil buildings, and is a municipal infrastructure for ventilating air and reducing the concentration of harmful gas.

If CN219607284U discloses a building ventilation pipe is with preventing stifled device, solved current building ventilation pipe when using, external dust is attached to the position of ventilation pipe income wind gap easily, and the staff is not in time cleared up and is led to the dust to appear accumulational condition easily, makes ventilation pipe appear the condition of jam easily in the past to influence the problem of result of use. However, the filter plate needs manual timing cleaning, and whether the filter plate is blocked or not can not be judged specifically before manual checking and cleaning, so that the filter plate which is not blocked can be detached for checking or cleaning, and more labor cost can be wasted.

Therefore, the technical proposal specially provides an anti-blocking device for the building ventilating duct to solve the problems.

Disclosure of utility model

In order to overcome the defects of the prior art, the utility model aims to provide the anti-blocking device for the building ventilating duct, which can prompt workers in time and clear the filter plates accurately.

The anti-blocking device for the building ventilating duct comprises a ventilating duct, wherein connecting flanges are arranged at two ends of the ventilating duct, a filter box is arranged on one side of the connecting flanges, a filter plate I is arranged on one side of the inside of the filter box, a movable filter plate is arranged inside the filter plate I, a connecting frame is arranged on the periphery outside the movable filter plate, a spring ejector rod is arranged on one side of the connecting frame, one end of the spring ejector rod is connected with a support rod I, a support rod II is arranged on one side of the center of the support rod I, and an electric telescopic rod is connected to the center of the support rod II.

Preferably, the two ends of the filter box are provided with the same connecting flanges as the ventilating pipes, and the filter box and the ventilating pipes are connected with each other through the connecting flanges.

Preferably, a second filter plate is arranged on one side of the filter box, which is opposite to the first filter plate, inside the filter box, positioning clamping blocks are arranged on the periphery of the outer parts of the first filter plate and the second filter plate, and the positioning clamping blocks are embedded into the filter box.

Preferably, the connecting frame is fixedly connected with the movable filter plate, the first supporting rod is provided with two supporting rods, the two ends of the first supporting rod are fixedly connected with the inner wall of the filter box, the four spring ejector rods are arranged on the four corners of the connecting frame respectively, and the connecting frame is in sliding connection with the first filter plate.

Preferably, one end of the electric telescopic rod is connected with the pressure sensor, one side of the pressure sensor is fixedly connected with the baffle, one side of the baffle is provided with a plurality of pressure springs, one end of each pressure spring is connected with the partition plate, and the partition plate is arranged at the center of the movable filter plate.

Preferably, the filter box is externally provided with a single-chip microcomputer, an alarm is arranged on one side adjacent to the single-chip microcomputer, the output end of the pressure sensor is electrically connected with the input end of the single-chip microcomputer through a wire, and the output end of the single-chip microcomputer is electrically connected with the input end of the electric telescopic rod and the input end of the alarm through a wire.

The beneficial effects of the utility model are as follows:

According to the utility model, the first filter plate and the second filter plate are arranged, the movable filter plate is arranged in the first filter plate, when the first filter plate and the movable filter plate are blocked after long-term use, the blocked first filter plate and the movable filter plate can block air flow in the ventilation pipe, the pressure at the joint of the first filter plate and the ventilation pipe is increased, when the movable filter plate is pushed by the pressure in a pipeline to move the compression spring ejector rod and the pressure spring, the pressure received by the movable filter plate can be detected by the pressure sensor and transmitted to the singlechip, the singlechip controls the electric telescopic rod and the alarm to operate, the electric telescopic rod drives the movable filter plate to move backwards to open the first filter plate, so that air in the pipeline can be led out after entering the filter box and being filtered by the second filter plate, and when the alarm operates, staff can be reminded of timely cleaning or replacing the blocked first filter plate and the movable filter plate, so that the blocked filter plate can be cleaned accurately, and the labor cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the filter box of the present utility model;

FIG. 3 is a schematic view of a filter plate according to the present utility model;

FIG. 4 is a schematic view of a first support bar and a second support bar according to the present utility model;

FIG. 5 is an enlarged partial view of the area A of FIG. 2 in accordance with the present utility model;

Reference numerals illustrate:

1. A ventilation pipe; 2, a connecting flange, 3, a filter box, 4, a first filter plate, 5, a movable filter plate, 6, a connecting frame, 7, a spring ejector rod, 8, a first support rod, 9, a second support rod, 10, an electric telescopic rod, 11, a second filter plate, 12, a positioning clamping block, 13, a pressure sensor, 14, a baffle plate, 15, a pressure spring, 16, a baffle plate, 17, a singlechip, 18 and an alarm.

Detailed Description

The present utility model will now be described in further detail with reference to the drawings and examples, wherein it is apparent that the examples described are only some, but not all, of the examples of the utility model. Embodiments of the utility model and features of the embodiments may be combined with each other without conflict. All other embodiments, based on the embodiments of the utility model, which would be apparent to one of ordinary skill in the art without inventive effort are within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications (such as up, down, left, right, front, and rear are referred to as "above"), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed by the utility model.

Referring to fig. 1-5 of the specification, the utility model provides an anti-blocking device for a building ventilating duct, which comprises a ventilating duct 1, wherein connecting flanges 2 are arranged at two ends of the ventilating duct 1, a filter box 3 is arranged on one side of each connecting flange 2, a filter plate I4 is arranged on one side of the inside of each filter box 3, a movable filter plate 5 is arranged inside each filter plate I4, a connecting frame 6 is arranged on one periphery of the outside of each movable filter plate 5, a spring ejector rod 7 is arranged on one side of each connecting frame 6, one end of each spring ejector rod 7 is connected with a support rod I8, a support rod II 9 is arranged on one side of the center of each support rod I8, and an electric telescopic rod 10 is connected to the center of each support rod II 9.

In an embodiment, referring to fig. 1 and 2 of the specification, two ends of the filter box 3 are provided with the same connecting flange 2 as the vent pipe 1, the filter box 3 and the vent pipe 1 are connected with each other through the connecting flange 2, a filter plate two 11 is arranged on one side of the filter box 3 opposite to the filter plate one 4, positioning clamping blocks 12 are arranged on the periphery of the outer part of the filter plate one 4 and the periphery of the outer part of the filter plate two 11, the positioning clamping blocks 12 are embedded in the filter box 3, and the positioning clamping blocks 12 can be connected in the filter box 3 to facilitate positioning installation of the filter plate one 4 and the filter plate two 11.

In another embodiment, please continue to refer to fig. 2, 3 and 5 of the specification, the connecting frame 6 is fixedly connected with the movable filter plate 5, the first support rod 8 is provided with two support rods, two ends of the first support rod 8 are fixedly connected with the inner wall of the filter box 3, the four spring ejector rods 7 are respectively arranged at four corners of the connecting frame 6, the connecting frame 6 is slidably connected inside the first filter plate 4, one end of the electric telescopic rod 10 is connected with the pressure sensor 13, one side of the pressure sensor 13 is fixedly connected with the baffle 14, one side of the baffle 14 is provided with a plurality of pressure springs 15, one end of the pressure spring 15 is connected with the baffle 16, the baffle 16 is arranged in the center of the movable filter plate 5, the first support rod 8 and the second support rod 9 can respectively support the spring ejector rods 7 and the electric telescopic rod 10, and the electric telescopic rod 10 can drive the movable filter plate 5 to move backwards when the first filter plate 4 and the movable filter plate 5 are blocked, so that the center of the first filter plate 4 is opened, and air inside the movable filter plate 1 is kept.

In an embodiment, referring to fig. 1 of the specification, a single-chip microcomputer 17 is disposed outside the filter box 3, an alarm 18 is disposed on one side adjacent to the single-chip microcomputer 17, an output end of the pressure sensor 13 is electrically connected with an input end of the single-chip microcomputer 17 through a wire, an output end of the single-chip microcomputer 17 is electrically connected with the electric telescopic rod 10 and an input end of the alarm 18 through a wire, and the single-chip microcomputer 17 can control the electric telescopic rod 10 and the alarm 18 to operate, so that the movable filter plate 5 can be automatically moved out of the filter plate 4 and alarm.

When the movable filter plate 5 is blocked after being used for a long time, the blocked first filter plate 4 and the movable filter plate 5 can block air flow in the ventilation pipe 1, the pressure at the joint of the first filter plate 4 and the ventilation pipe 1 is increased, when the movable filter plate 5 is pushed by the pressure in a pipeline to move the compression spring ejector rod 7 and the compression spring 15, the pressure received by the movable filter plate 5 can be detected by the pressure sensor 13 and transmitted to the singlechip 17, the singlechip 17 controls the electric telescopic rod 10 and the alarm 18 to operate, the electric telescopic rod 10 drives the movable filter plate 5 to move backwards to open the first filter plate 4, so that air in the pipeline can be led out after entering the filter box 3 and being filtered by the second filter plate 11, and staff can be reminded of cleaning or replacing the blocked first filter plate 4 and the movable filter plate 5 when the alarm 18 operates.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A device for preventing building ventilation ducts from blocking, characterized in that it comprises a ventilation pipe (1), two ends of the ventilation pipe (1) are provided with connection flanges (2), one side of the connection flange (2) is provided with a filter box (3), one side of the inside of the filter box (3) is provided with a filter plate 1 (4), the inside of the filter plate 1 (4) is provided with a movable filter plate (5), a connection frame (6) is provided around the outside of the movable filter plate (5), one side of the connection frame (6) is provided with a spring top rod (7), one end of the spring top rod (7) is connected to a support rod 1 (8), a support rod 2 (9) is provided on one side of the center of the support rod 1 (8), and an electric telescopic rod (10) is connected to the center of the support rod 2 (9);

The filter box (3) is provided with connecting flanges (2) identical to those on the ventilation pipe (1) at both ends, and the filter box (3) and the ventilation pipe (1) are connected to each other via the connecting flanges (2); the connecting frame (6) is slidably connected inside the filter plate (4); one end of the electric telescopic rod (10) is connected to a pressure sensor (13); one side of the pressure sensor (13) is fixedly connected to a baffle (14); one side of the baffle (14) is provided with a plurality of pressure springs (15); one end of the pressure spring (15) is connected to a partition (16); the partition (16) is arranged at the center of the movable filter plate (5); a single-chip microcomputer (17) is provided outside the filter box (3); an alarm (18) is provided on one side adjacent to the single-chip microcomputer (17); an output end of the pressure sensor (13) is electrically connected to an input end of the single-chip microcomputer (17) via a wire; and the output end of the single-chip microcomputer (17) is electrically connected to the electric telescopic rod (10) and the input end of the alarm (18) via a wire.

2. A building ventilation duct anti-blocking device according to claim 1, characterized in that a filter plate 2 (11) is provided inside the filter box (3) at a side opposite to the filter plate 1 (4), and positioning blocks (12) are provided around the outside of the filter plate 1 (4) and the filter plate 2 (11), and the positioning blocks (12) are embedded in the filter box (3).

3. A building ventilation duct anti-blocking device according to claim 2, characterized in that the connecting frame (6) is fixedly connected to the movable filter plate (5), two support rods (8) are provided, both ends of the support rods (8) are fixedly connected to the inner wall of the filter box (3), and four spring top rods (7) are provided and are respectively arranged at the four corners of the connecting frame (6).