Double-layer sealing door plate for manhole of dry type filter box

By using a double-layer sealed door panel for the manhole of the dry filter box, and employing double-layer silicone sealing strips and a rotating handwheel locking assembly, the problems of air leakage from the manhole and cumbersome operation of the door panel are solved, achieving efficient sealing and convenient disassembly.

CN224086329UActive Publication Date: 2026-04-07DEZHOU GUANGYUAN ENVIRONMENTAL PROTECTION TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2026-02-05
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The manholes in the dry filter box equipment have air leakage problems, and the manhole door panels are cumbersome to open and close, requiring frequent disassembly and assembly.

Method used

A double-layer sealing door panel for the manhole of a dry filter box is designed, which adopts a double-layer 'e'-shaped silicone sealing strip and a rotating handwheel locking assembly to ensure that the sealing strip does not twist on any cut surface, and the seal is gradually tightened by rotating the handwheel.

Benefits of technology

It achieves a highly efficient seal between the filter box and the door panel, avoiding air leakage and the hassle of disassembling and moving heavy door panels, thus improving the ease of operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224086329U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of filter boxes, and discloses a dry type filter box manhole double-layer sealing door plate which comprises a filter box body, a manhole is formed in the front face of the filter box body, a box body flange is fixedly arranged on the edge of the manhole, a box door plate is hinged to one side of the manhole through a hinge, and a locking assembly is arranged between the box door plate and the filter box body. The filter box body and the box door plate are matched through the first sealing rubber strip and the second sealing rubber strip, the sealing performance between the box door plate and the filter box body is achieved, meanwhile, the sealing rubber strips are not compressed from the beginning of door closing to the end of door closing of hinges, and when the box door plate and the surface of the filter box body are in a parallel state, the sealing rubber strips are not compressed. The first sealing rubber strip and the second sealing rubber strip are gradually pressed and sealed through rotation of the rotating hand wheel, the sealing rubber strips are not twisted on any section cutting plane, the structure has the advantage that a detachable box door plate can be evenly pressed, and the trouble of detaching and carrying a heavy box door plate is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the filter box technical field relates to a dry -type filter box manhole double -layer sealing door board. BACKGROUND

[0002] In the environmental protection management field, the filter material needs to be replaced regularly, and the filter material needs to be replaced in the equipment manhole into the box body, and the door plate needs to be tightly sealed with the box body after replacement; At present, the equipment manhole for replacing the filter material in the equipment manhole of the dry -type filter box equipment in the market generally exists the situation of air leakage; On the other hand, the manhole door plate is complicated, and the door plate needs to be removed every time the filter material is replaced, and the door plate is installed after replacement.

[0003] In order to solve the above problems, the utility model discloses a dry -type filter box manhole double -layer sealing door board. INVENTION CONTENTS

[0004] The utility model discloses a dry -type filter box manhole double -layer sealing door board to solve the problem in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme:

[0006] A dry -type filter box manhole double -layer sealing door board, including filter box, the front of filter box is equipped with manhole, and the edge of manhole is fixed with box flange, and the side of manhole is hinged with box door plate through hinge, locking assembly is arranged between box door plate and filter box, first sealing rubber strip is fixedly bonded at the connecting place of box door plate and filter box, and second sealing rubber strip is fixedly bonded at the connecting place of box door plate and box flange.

[0007] In the above -mentioned dry -type filter box manhole double -layer sealing door board, the first sealing rubber strip and the second sealing rubber strip are both double -layer "e" type silica gel sealing strips.

[0008] In the above -mentioned dry -type filter box manhole double -layer sealing door board, the four corners of the box flange are provided with a fillet.

[0009] In the above -mentioned dry -type filter box manhole double -layer sealing door board, the overlapping position of the second sealing rubber strip is arranged at the middle of the straight edge of the box flange, and the interface of the second sealing rubber strip is a 45° bevel, and the end connection of the second sealing rubber strip is bonded by silica gel glue.

[0010] In the double-layer sealing door plate of the manhole of the dry-type filter box, the locking assembly comprises a U-shaped seat, a connecting column, a fixing sleeve, a rotating hand wheel and a threaded column, the U-shaped seat is fixedly installed on the outer wall of the filter box body, the connecting column is fixedly arranged in the middle of the U-shaped seat, the threaded column is fixedly arranged at the end of the connecting column, the fixing sleeve is fixedly installed on the side of the door plate, and the end of the threaded column is threadedly connected with the rotating hand wheel through the fixing sleeve.

[0011] In the double-layer sealing door plate of the manhole of the dry-type filter box, the surface of the rotating hand wheel is sleeved with an anti-skid rubber sleeve, and anti-skid lines are uniformly arranged on the surface of the anti-skid rubber sleeve.

[0012] Compared with the prior art, the double-layer sealing door plate of the manhole of the dry-type filter box has the following beneficial effects:

[0013] The double-layer sealing door plate of the manhole of the dry-type filter box is disclosed in the utility model patent application, wherein the filter box body and the door plate are sealed by the cooperation of the first sealing rubber strip and the second sealing rubber strip, the sealing rubber strip is not compressed from the start of door closing to the end of door closing, and the first sealing rubber strip and the second sealing rubber strip are gradually compressed and sealed by rotating the rotating hand wheel when the surface of the door plate and the filter box body is parallel, the sealing rubber strip has no torsional deformation on any cross section, the structure has the advantages that the detachable door plate can be uniformly compressed, and the heavy door plate is not difficult to disassemble and carry. ACCURACY OF DRAWINGS

[0014] Figure 1 The utility model discloses a double-layer sealing door plate of the manhole of the dry-type filter box, and the structure schematic diagram is shown in the figure.

[0015] Figure 2 The utility model discloses a double-layer sealing door plate of the manhole of the dry-type filter box, Figure 1 The utility model discloses a double-layer sealing door plate of the manhole of the dry-type filter box,

[0016] Figure 3 The utility model discloses a double-layer sealing door plate of the manhole of the dry-type filter box, and the structure schematic diagram is shown in the figure.

[0017] Figure 4 The utility model discloses a double-layer sealing door plate of the manhole of the dry-type filter box, and the structure schematic diagram is shown in the figure.

[0018] Figure 5 The utility model discloses a double-layer sealing door plate of the manhole of the dry-type filter box, and the structure schematic diagram is shown in the figure.

[0019] Figure 6 The utility model discloses a double-layer sealing door plate of the manhole of the dry-type filter box, Figure 5 The utility model discloses a double-layer sealing door plate of the manhole of the dry-type filter box,

[0020] In the figure: 1, filter box body; 2, box door plate; 3, U-shaped seat; 4, connecting column; 5, fixed sleeve; 6, rotating hand wheel; 7, threaded column; 8, box flange; 9, first sealing rubber strip; 10, second sealing rubber strip. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-6 The utility model provides a kind of dry filter box manhole double-layer sealing door plate technical scheme:

[0023] According to Figures 1-6 As shown in a kind of dry filter box manhole double-layer sealing door plate, including filter box body 1, the front of filter box body 1 is provided with manhole, and box flange 8 is fixedly arranged at the edge of manhole, and box door plate 2 is hinged to one side of manhole by hinge, and locking assembly is arranged between box door plate 2 and filter box body 1;First sealing rubber strip 9 is fixedly bonded at the connecting place of box door plate 2 and filter box body 1, and second sealing rubber strip 10 is fixedly bonded at the connecting place of box door plate 2 and box flange 8.

[0024] Specifically, the sealing property between filter box body 1 and box door plate 2 is improved by the cooperation of first sealing rubber strip 9 and second sealing rubber strip 10.

[0025] According to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 As shown in a kind of dry filter box manhole double-layer sealing door plate, first sealing rubber strip 9 and second sealing rubber strip 10 are both double-layer "e" type silica gel sealing strip.

[0026] Specifically, the "e" type silica gel sealing strip has wide temperature resistance range, excellent weather resistance and anti-aging property, and has the advantages of high elasticity and low permanent deformation, and can quickly recover original shape even after long time under pressure, with good resilience.

[0027] The four corners of box flange 8 are all provided with round corners. Specifically, by the arrangement of round corners, the problem that second sealing rubber strip 10 appears wrinkle at corner and air leakage phenomenon easily occurs after compression can be effectively avoided.

[0028] The overlap position of the second sealing rubber strip 10 is arranged at the middle of the straight edge of the box flange 8, and the interface of the second sealing rubber strip 10 is a 45° bevel, and the end connection of the second sealing rubber strip 10 is bonded by silicone glue.

[0029] Specifically, the 45° bevel is pressed more tightly in the second sealing rubber strip 10 compression state, and the interface sealing rubber strip will be stretched forward due to compression deformation, and the interface is squeezed more densely, reducing the probability of air leakage.

[0030] According to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the utility model discloses a kind of dry filter box manhole double-layer sealing door plate, locking assembly includes U-shaped seat 3, connecting column 4, fixed sleeve 5, rotating hand wheel 6 and threaded column 7, the outer wall of filter box 1 is fixedly installed with U-shaped seat 3, the middle part of U-shaped seat 3 is fixedly provided with connecting column 4, and connecting column 4 end is fixedly provided with threaded column 7;The side surface of box door plate 2 is fixedly installed with fixed sleeve 5, and the end of threaded column 7 is threadedly connected with rotating hand wheel 6 by fixed sleeve 5;Rotating hand wheel 6 is provided with antiskid rubber sleeve on surface, and antiskid rubber sleeve is provided with evenly distributed antiskid lines on surface.

[0031] Specifically, by rotating forward into rotating hand wheel 6, first sealing rubber strip 9 between box door plate 2 and filter box 1 is extruded, to further improve the sealing between box door plate 2 and filter box 1.

[0032] Working principle, the utility model discloses a kind of dry filter box manhole double-layer sealing door plate, box door plate 2 is compressed in the first sealing rubber strip 9, second sealing rubber strip 10 is not when door is closed beginning to door is closed end, when the surface of box door plate 2 and filter box 1 presents parallel state, artificially rotates rotating hand wheel 6, box door plate 2 is moved by rotating hand wheel 6 rotation push, first sealing rubber strip 9, second sealing rubber strip 10 are extruded by box door plate 2, first sealing rubber strip 9, second sealing rubber strip 10 are gradually compressed and sealed, and first sealing rubber strip 9, second sealing rubber strip 10 are not twisted in any section plane It is shown that phenomenon, this structure has the advantage that detachable box door plate 2 can be compressed evenly, and also avoids the trouble of detaching and carrying heavy box door plate 2.

[0033] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A double-layer sealed door panel for the manhole of a dry filter box, comprising a filter box body (1), characterized in that, The filter box (1) has a manhole on its front side. A box flange (8) is fixedly provided at the edge of the manhole. A door panel (2) is hinged to one side of the manhole. A locking assembly is provided between the door panel (2) and the filter box (1). A first sealing strip (9) is fixedly bonded to the connection between the door panel (2) and the filter box (1). A second sealing strip (10) is fixedly bonded to the connection between the door panel (2) and the box flange (8).

2. The double-layer sealed door panel for the manhole of a dry filter box according to claim 1, characterized in that: Both the first sealing strip (9) and the second sealing strip (10) are double-layer "e" type silicone sealing strips.

3. The double-layer sealed door panel of the manhole of a dry filter box according to claim 1, characterized in that: The four corners of the box flange (8) are all rounded.

4. The double-layer sealed door panel of the manhole of a dry filter box according to claim 2, characterized in that: The overlap of the second sealing strip (10) is located in the middle of the straight edge of the box flange (8), and the interface of the second sealing strip (10) is a 45° bevel. The end connection of the second sealing strip (10) is bonded with silicone glue.

5. The double-layer sealed door panel for the manhole of a dry filter box according to claim 1, characterized in that: The locking assembly includes a U-shaped seat (3), a connecting column (4), a fixing sleeve (5), a rotating handwheel (6), and a threaded column (7). The U-shaped seat (3) is fixedly installed on the outer wall of the filter box (1). The connecting column (4) is fixedly installed in the middle of the U-shaped seat (3), and the threaded column (7) is fixedly installed at the end of the connecting column (4). The fixing sleeve (5) is fixedly installed on the side of the door panel (2), and the rotating handwheel (6) is threaded through the fixing sleeve (5) at the end of the threaded column (7).

6. The double-layer sealed door panel for the manhole of a dry filter box according to claim 5, characterized in that: The surface of the rotating handwheel (6) is covered with an anti-slip rubber sleeve, and the surface of the anti-slip rubber sleeve is provided with uniformly distributed anti-slip textures.