Pipeline ventilation device

Abstract

The utility model belongs to the technical field of ventilation devices, and discloses a pipeline ventilation device which comprises a ventilation pipeline, an annular frame is arranged in the ventilation pipeline in a sliding mode, an installation frame is fixedly arranged on the annular frame, an air supply mechanism is fixedly arranged on the installation frame, and an installation groove is formed in the installation frame. A telescopic spring and a positioning piece are movably arranged in the mounting groove; in a working state, under the elastic action of the telescopic spring, the positioning piece penetrates through the annular frame and then abuts against the inner wall of the ventilation pipeline. The positioning piece comprises a positioning block slidably arranged in the mounting groove, the positioning block is in an I shape with two high sides and a low middle, and a push plate is fixedly arranged on the positioning block; according to the utility model, the telescopic spring and the positioning piece are matched for use, so that the air supply mechanism can be disassembled and assembled at the edge, and the air supply mechanism can be maintained in time when being damaged; and through the arranged filter screen, dust and foreign matter in the air can be filtered out, so that the air quality during air supply is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of ventilation devices, and particularly relates to a duct ventilation device. Background Art

[0002] When supplying air to the interior of a building through a duct ventilation device, an air supply mechanism is often required to transport air. However, in the process of using a conventional air supply mechanism, it is generally fixed with screws. This results in a relatively long time required to replace the air supply mechanism when it is damaged, reducing the maintenance efficiency. Summary of the Utility Model

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a duct ventilation device, which effectively solves the problem that in the process of using a conventional air supply mechanism, it is generally fixed with screws, resulting in a relatively long time required to replace the air supply mechanism when it is damaged, reducing the maintenance efficiency.

[0004] To achieve the above object, the utility model provides the following technical solution: A duct ventilation device includes a ventilation duct. An annular frame is slidably arranged inside the ventilation duct. An installation frame is fixedly arranged on the annular frame. An air supply mechanism is fixedly arranged on the installation frame. An installation groove is formed on the installation frame. A telescopic spring and a positioning member are movably arranged inside the installation groove. In the working state, under the elastic force of the telescopic spring, the positioning member passes through the annular frame and abuts against the inner wall of the ventilation duct.

[0005] The positioning member includes a positioning block slidably arranged inside the installation groove. The positioning block is in an I-shaped shape with higher sides and a lower middle part. A push plate is fixedly arranged on the positioning block.

[0006] Preferably, the installation groove is in an I-shaped shape and is communicated with a through hole formed on the annular frame.

[0007] Preferably, an installation column is also fixedly arranged inside the installation groove. The telescopic spring is wound around the installation column and is located between the installation column and the positioning member.

[0008] Preferably, the air supply mechanism includes an air supply motor fixedly arranged on the installation frame. A plurality of air supply blades are fixedly arranged on the output shaft of the air supply motor.

[0009] Preferably, an installation ring is also fixedly arranged inside the ventilation duct. A filter screen is detachably arranged on the installation ring.

[0010] Preferably, a filter screen is also arranged inside the ventilation duct.

[0011] Preferably, the filter screen includes a filter screen part, a ring part and an edge part which are integrally connected; wherein the shape of the filter screen part is circular, the ring part is in interference fit with the ventilation duct, and the outer diameter of the edge part is equal to the outer diameter of the ventilation duct; and a handle is fixedly arranged on the edge part.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] During operation, through the combined use of the telescopic spring and the positioning member provided, the air supply mechanism can be disassembled and assembled at the edge, so as to facilitate timely maintenance when the air supply mechanism is damaged; through the filter screen provided, dust and foreign matters in the air can be filtered, so as to ensure the air quality during air supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model.

[0015] In the drawings:

[0016] Figure 1 is a schematic structural diagram of a pipeline ventilation device of the present utility model;

[0017] Figure 2 is a schematic structural diagram of the air supply mechanism of the present utility model;

[0018] Figure 3 is of the present utility model Figure 2 is an enlarged schematic structural diagram at A in;

[0019] Figure 4 is a schematic structural diagram of the filter screen of the present utility model.

[0020] In the figure: 1, ventilation duct; 2, annular frame; 3, mounting frame; 4, air supply mechanism; 401, air supply motor; 402, air supply blade; 5, mounting groove; 6, telescopic spring; 7, positioning member; 8, positioning block; 9, push plate; 10, mounting post; 11, through hole; 12, filter screen; 13, filter screen part; 14, ring part; 15, edge part; 16, handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Apparently, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments; based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment 1, which is given by Figures 1-4 Figures 1-4 of the present utility model relates to a pipeline ventilation device, including a ventilation pipeline 1. An annular frame 2 is slidably arranged inside the ventilation pipeline 1. An installation frame 3 is fixedly arranged on the annular frame 2. A air supply mechanism 4 is fixedly arranged on the installation frame 3. An installation groove 5 is opened on the installation frame 3. A telescopic spring 6 and a positioning member 7 are movably arranged in the installation groove 5. In the working state, under the elastic force of the telescopic spring 6, the positioning member 7 passes through the annular frame 2 and abuts against the inner wall of the ventilation pipeline 1.

[0023] With such a design, when it is necessary to fix the air supply mechanism 4 inside the ventilation pipeline 1, only need to make the positioning member 7 squeeze the telescopic spring 6 and then be received inside the installation groove 5. Then place the annular frame 2 inside the ventilation pipeline 1. Subsequently, under the action of the telescopic spring 6, the positioning member 7 can abut against the inner wall of the ventilation pipeline 1 to complete the installation process.

[0024] Specifically, the positioning member 7 includes a positioning block 8 slidably arranged in the installation groove 5. The positioning block 8 is in the shape of a "I" with high sides and low middle. A push plate 9 is fixedly arranged on the positioning block 8.

[0025] The shape of the installation groove 5 is in the shape of a "I", and the installation groove 5 is communicated with a through hole 11 opened on the annular frame 2.

[0026] With such a design, the positioning block 8 can be driven to move through the push plate 9, so that the positioning block 8 can be received inside the installation groove 5. During work, the positioning block 8 passes through the through hole 11 and abuts against the inner wall of the ventilation pipeline 1.

[0027] An installation column 10 is also fixedly arranged inside the installation groove 5. The telescopic spring 6 is wound around the installation column 10 and is located between the installation column 10 and the positioning member 7.

[0028] The air supply mechanism 4 includes an air supply motor 401 fixedly arranged on the installation frame 3. A plurality of air supply blades 402 are fixedly arranged on the output shaft of the air supply motor 401.

[0029] With such a design, it is convenient to drive the air supply blades 402 to rotate through the air supply motor 401 and supply air through the air supply blades 402.

[0030] A filter screen 12 is also arranged inside the ventilation pipeline 1.

[0031] With such a design, it is convenient to filter dust in the air through the filter screen 12 to ensure the air quality during air supply.

[0032] The filter screen 12 includes a filter screen part 13, an annular part 14 and an edge part 15 that are integrally connected; among them, the shape of the filter screen part 13 is circular, the annular part 14 is in interference fit with the ventilation duct 1, and the outer diameter of the edge part 15 is equal to the outer diameter of the ventilation duct 1; a handle 16 is fixedly arranged on the edge part 15;

[0033] When a large amount of dust accumulates on the filter screen 12, it can be taken out from the inside of the ventilation duct 1 through the handle 16, so as to facilitate the cleaning and replacement of the filter screen 12.

Claims

1. A pipeline ventilation device, comprising a ventilation pipeline (1), an annular frame (2) is slidably arranged inside the ventilation pipeline (1), a mounting frame (3) is fixedly arranged on the annular frame (2), and an air supply mechanism (4) is fixedly arranged on the mounting frame (3), characterized in that, The mounting bracket (3) is provided with a mounting groove (5), and a telescopic spring (6) and a positioning member (7) are movably arranged in the mounting groove (5); in the working state, under the elastic force of the telescopic spring (6), the positioning member (7) passes through the annular bracket (2) and abuts against the inner wall of the ventilation duct (1). The positioning member (7) includes a positioning block (8) slidably arranged in the mounting groove (5). The positioning block (8) is in an I-shaped shape with high sides and a low middle, and a push plate (9) is fixedly arranged on the positioning block (8).

2. The duct ventilation device according to claim 1, characterized in that: The shape of the mounting groove (5) is an I-shaped shape, and the mounting groove (5) communicates with a through hole (11) provided on the annular bracket (2).

3. The pipeline ventilation device according to claim 1, wherein: An installation column (10) is also fixedly arranged inside the mounting groove (5), and the telescopic spring (6) is wound around the installation column (10) and is located between the installation column (10) and the positioning member (7).

4. A pipeline ventilation device according to claim 1, characterized in that: The air supply mechanism (4) includes an air supply motor (401) fixedly arranged on the mounting bracket (3), and a plurality of air supply blades (402) are fixedly arranged on the output shaft of the air supply motor (401).

5. A pipeline ventilation device according to claim 1, characterized in that: A filter screen (12) is also arranged inside the ventilation duct (1).

6. The duct ventilation device according to claim 5, characterized in that: The filter screen (12) includes a filter screen part (13), a ring part (14) and an edge part (15) connected as a whole; wherein the filter screen part (13) is circular in shape, the ring part (14) is in interference fit with the ventilation duct (1), and the outer diameter of the edge part (15) is equal to the outer diameter of the ventilation duct (1); and a handle (16) is also fixedly arranged on the edge part (15).

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