Fresh air machine filter screen sealing structure

Abstract

The utility model provides a fresh air ventilator filter screen sealing structure which comprises a shell, limiting protrusions, a guide rail, a multi-stage sealing annular fixing frame structure and a splicing integrated sealing filter screen frame structure, and the limiting protrusions are fixed to the top end and the bottom end of the inner wall of the shell through bolts respectively; guide rails are fixed to the right sides of the inner top end and the inner bottom end of the shell through bolts correspondingly. The shell, the annular fixing frame, the fixing groove, the first sealing ring, the fixing column and the second sealing ring are arranged in a matched mode, the first sealing ring and the second sealing ring can be matched in the using process, and multi-sealing work can be conveniently achieved in the working process; and the annular fixing frames, the fixing columns, the splicing frames, the splicing pipes, third sealing rings and the filter screen body are arranged in a matched mode, so that the third sealing rings are arranged between the splicing frames in the using process, and gaps between the splicing frames are conveniently sealed in the using process.

Description

Technical Field

[0001] The utility model belongs to the technical field of fresh air fan equipment, and in particular relates to a fresh air fan filter screen sealing structure. Background Art

[0002] The fresh air fan is an effective air purification equipment that can circulate indoor air. On the one hand, it discharges the indoor polluted air to the outside, and on the other hand, it inputs the outdoor fresh air into the room after sterilization, disinfection, filtration and other measures, so that the room is fresh and clean air at all times. The fresh air fan uses fresh air convection technology to realize indoor air convection through autonomous air supply and air induction, thereby maximizing the indoor air replacement work. The existing fresh air fan filter sealing structure includes a shell, a circular fixing frame, an annular groove, a sealing rubber ring, a guide rail, a filter, a threaded hole, a sealing rubber pad, an annular frame, a filter body, an annular plug, a guide groove, and a fixing bolt. This fresh air fan filter sealing structure is not convenient for multi-stage sealing work during use, and there is no sealing mechanism between the filter frames during use, which can easily affect the sealing effect. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a fresh air fan filter sealing structure, which facilitates multi-stage sealing work during use by improving the fixing mechanism during use, and improves the filter frame mechanism during use, so as to facilitate the sealing between the filter frames during use.

[0004] A fresh air fan filter sealing structure includes a shell, wherein the top end and the bottom end of the inner wall of the shell are respectively bolted with limiting protrusions; the inner top end and the right side of the inner bottom end of the shell are respectively bolted with guide rails, and the shell is characterized in that a multi-stage sealing annular fixing frame structure is arranged in the middle position of the inner wall of the shell; and a splicable integrated sealing filter frame structure is arranged on the right side of the multi-stage sealing annular fixing frame structure.

[0005] Preferably, the multi-stage sealing annular fixing frame structure includes an annular fixing frame, the inner wall of which is provided with a fixing groove; a first sealing ring is inserted into the interior of the fixing groove; fixing columns are respectively fixed by bolts on the upper right part and the lower right part of the annular fixing frame; and a second sealing ring is sleeved on the left side of the outer wall of the fixing column.

[0006] Preferably, the splicable integrated sealed filter frame structure comprises a splicing frame, and the splicing frame is connected and fixed by a splicing tube; a third sealing ring is arranged between the splicing frames; and a filter body is arranged between the splicing frames.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] In the utility model, the shell, annular fixing frame, fixing groove, first sealing ring, fixing column and second sealing ring are arranged to cooperate with each other, which is beneficial to the cooperation of the first sealing ring and the second sealing ring during use, and is convenient for realizing multiple sealing work during work.

[0009] In the utility model, the annular fixing frame, fixing column, splicing frame, splicing tube, third sealing ring and filter body are arranged in coordination with each other, which is conducive to the third sealing ring being arranged between the splicing frames during use, so as to facilitate the sealing of the gaps between the splicing frames during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 It is a structural schematic diagram of the multi-stage sealing annular fixing frame structure of the utility model.

[0012] Figure 3 It is a structural schematic diagram of a splicable integrated sealed filter frame structure of the utility model.

[0013] In the figure:

[0014] 1. Shell; 2. Limiting protrusion; 3. Guide rail; 4. Multi-stage sealing annular fixing frame structure; 41. Annular fixing frame; 42. Fixing groove; 43. First sealing ring; 44. Fixing column; 45. Second sealing ring; 5. Splicable integrated sealing filter frame structure; 51. Splicing frame; 52. Splicing tube; 53. Third sealing ring; 54. Filter body. DETAILED DESCRIPTION

[0015] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2As shown, a fresh air fan filter sealing structure comprises a shell 1, a limiting protrusion 2, a guide rail 3, a multi-stage sealing annular fixing frame structure 4 and a splicable integrated sealing filter frame structure 5, wherein the limiting protrusion 2 is bolted to the top and bottom of the inner wall of the shell 1 respectively; the guide rail 3 is bolted to the right side of the inner top and the inner bottom of the shell 1 respectively; the multi-stage sealing annular fixing frame structure 4 is arranged at the middle position of the inner wall of the shell 1; the multi-stage sealing annular fixing frame structure 4 is arranged on the right side of the splicable integrated sealing filter frame structure 5; the multi-stage sealing annular fixing frame structure 4 comprises an annular fixing frame 41, a fixing groove 42, a first A sealing ring 43, a fixing column 44 and a second sealing ring 45, the inner wall of the annular fixing frame 41 is provided with a fixing groove 42; the interior of the fixing groove 42 is plugged with a first sealing ring 43; the upper right part and the lower right part of the annular fixing frame 41 are respectively fixed with fixing columns 44 by bolts; the left side of the outer wall of the fixing column 44 is sleeved with a second sealing ring 45; when in use, the shell 1 is fixed in a suitable position, and then the installation work is carried out, the annular fixing frame 41 is plugged into the interior of the shell 1, and the bolt installation work is carried out, and during the use, the first sealing ring 43 and the second sealing ring 45 cooperate to realize multiple sealing work and improve the sealing effect.

[0016] In this embodiment, combined with the Figure 3 As shown, the splicing integrated sealed filter frame structure 5 includes a splicing frame 51, a splicing tube 52, a third sealing ring 53 and a filter body 54, the splicing frame 51 is connected and fixed by the splicing tube 52; the third sealing ring 53 is arranged between the splicing frames 51; the filter body 54 is arranged between the splicing frames 51; after the annular fixing frame 41 is fixed, the splicing tube 52 is sleeved on the outer wall of the fixing column 44, and then the splicing frame 51 is slidably inserted into the inside of the guide rail 3, and the splicing frame 51 is pushed to move, and the third sealing ring 53 is driven to move during the movement, and then the outer wall nut is used to press and fix, thereby realizing the sealing work.

[0017] In this embodiment, specifically, the limiting protrusion 2 is a stainless steel protrusion with a T-shaped fixing hole opened in the middle position; the guide rail 3 is a U-shaped stainless steel rail and two of them are provided.

[0018] In this embodiment, specifically, the first sealing ring 43 and the second sealing ring 45 are respectively made of elastic silicone rings; the second sealing ring 45 is arranged on the right side of the annular fixing frame 41 and in contact with it.

[0019] In this embodiment, specifically, the annular fixing frame 41 is arranged inside the housing 1 and on the right side of the limiting protrusion 2 ; the fixing column 44 is arranged at the middle position of the left side inside the guide rail 3 .

[0020] In this embodiment, specifically, the splicing pipe 52 is a PVC pipe and is threadedly connected to the splicing frame 51; the third sealing ring 53 is an elastic rubber ring.

[0021] In this embodiment, specifically, the splicing frame 51 is slidably inserted into the inside of the guide rail 3; the left end of the splicing frame 51 arranged on the left side is inserted into the inside of the annular fixing frame 41; the splicing frame 51 is sleeved on the outer wall of the fixing column 44 through the splicing tube 52.

[0022] How it works

[0023] In the utility model, when in use, the shell 1 is fixed in a suitable position, and then the installation work is carried out, the annular fixing frame 41 is inserted into the interior of the shell 1, and the bolt installation work is carried out, and during use, multiple sealing work is achieved through the cooperation of the first sealing ring 43 and the second sealing ring 45 to improve the sealing effect. After the annular fixing frame 41 is fixed, the splicing tube 52 is sleeved on the outer wall of the fixing column 44, and then the splicing frame 51 is slidably inserted into the interior of the guide rail 3, and the splicing frame 51 is pushed to move, and the third sealing ring 53 is driven to move during the movement, and then the outer wall nut is used to perform compression and fixing work, thereby achieving sealing work.

[0024] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A fresh air fan filter sealing structure, comprising a housing (1), wherein the top end and the bottom end of the inner wall of the housing (1) are respectively bolted with a limiting protrusion (2); the top end and the right end of the inner bottom of the housing (1) are respectively bolted with a guide rail (3); the characteristic is that: A multi-stage sealing annular fixing frame structure (4) is provided at the middle position of the inner wall of the housing (1) in the fresh air blower filter sealing structure; and a splicable integrated sealing filter frame structure (5) is provided on the right side of the multi-stage sealing annular fixing frame structure (4).

2. The fresh air fan filter sealing structure according to claim 1, characterized in that: The multi-stage sealing annular fixing frame structure (4) comprises an annular fixing frame (41), the inner wall of the annular fixing frame (41) is provided with a fixing groove (42); a first sealing ring (43) is inserted into the interior of the fixing groove (42); fixing columns (44) are respectively fixed by bolts to the upper right part and the lower right part of the annular fixing frame (41); and a second sealing ring (45) is sleeved on the left side of the outer wall of the fixing column (44).

3. The fresh air fan filter sealing structure according to claim 1, characterized in that: The splicable integrated sealed filter frame structure (5) comprises a splicing frame (51), wherein the splicing frame (51) is connected and fixed via a splicing tube (52); a third sealing ring (53) is arranged between the splicing frames (51); and a filter body (54) is arranged between the splicing frames (51).

4. The fresh air fan filter sealing structure according to claim 2, characterized in that: The annular fixing frame (41) is arranged inside the housing (1) and on the right side of the limiting protrusion (2); the fixing column (44) is arranged at the middle position of the left side inside the guide rail (3).

5. The fresh air fan filter sealing structure according to claim 3, characterized in that: The splicing frame (51) is slidably inserted into the interior of the guide rail (3).

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