CN219481961U - Filter frame sealing structure - Google Patents
Filter frame sealing structure Download PDFInfo
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- CN219481961U CN219481961U CN202320472550.8U CN202320472550U CN219481961U CN 219481961 U CN219481961 U CN 219481961U CN 202320472550 U CN202320472550 U CN 202320472550U CN 219481961 U CN219481961 U CN 219481961U
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Abstract
The application relates to a filter frame seal structure, it includes: corner sealing pieces, wherein the corner sealing pieces are matched with corner bending of the frame; straight edge sealing parts, which are positioned between adjacent corner sealing parts; the end part of the straight-edge sealing piece is provided with an embedding part, the end part of the corner sealing piece is provided with an embedding groove, the embedding part is embedded in the embedding groove, and the embedding groove is provided with only one opening and is arranged towards the embedding part; the top of the engagement portion projects slightly beyond the straight edge seal surface. The sealing structure in the application can effectively realize sealing effect under the action of external force, and reduces the effect of air leakage condition.
Description
Technical Field
The application relates to the technical field of filters, in particular to a filter frame sealing structure.
Background
Air filters, i.e., devices for filtering air, are generally classified into primary filters, medium-efficiency filters, and high-efficiency filters according to their filtering performance. The general composition of the filter is a frame, a filter element and a filter screen.
When the filter is installed, one side surface of the air inlet of the frame needs to be attached to the edge of the air inlet, and the frame is tightly installed on the air inlet by using external forces such as bolts, so that the frame is more tightly attached to the edge of the air inlet, and the air leakage during air inlet is avoided.
At present, the conventional method is to glue and fix a sealing strip at the edge of one air inlet side of a frame, and the sealing strip is generally required to be cut into a plurality of sections and then spliced for frames with different sizes due to different specifications of the frames of the filter.
But the concatenation can lead to producing the clearance between the adjacent sealing strip to lead to the condition of air leakage, especially can also lead to the sealing strip to warp under the extrusion of external force, and then lead to the gap deformation of splice position, reduce sealed effect.
Disclosure of Invention
In order to solve the technical problem, the application provides a filter frame sealing structure, which can more effectively realize sealing effect under the action of external force and reduce air leakage.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a filter frame seal structure, comprising:
a corner seal matching the corner bend of the frame;
a straight edge seal positioned between adjacent corner seals;
the end part of the straight-edge sealing piece is provided with an embedded part, the end part of the corner sealing piece is provided with an embedded groove, the embedded part is embedded in the embedded groove, and the embedded groove is provided with only one opening and is arranged towards the embedded part;
the top of the engagement portion projects slightly beyond the straight edge seal surface.
According to the technical scheme, the embedded part is matched with the embedded groove in a clamping manner to form an irregular splicing gap, so that leakage of wind is reduced, in addition, the top of the embedded part is slightly convex, when the frame is installed, the frame is tightly pressed at the edge of the air port by external force, so that the embedded part is extruded, the embedded part is pressed and deformed along the thickness direction, the edge of the embedded part is deformed outwards, the edge of the embedded part is tightly extruded in the embedded groove, and the sealing performance is further improved.
As an alternative embodiment of the present application, the engaging portion is a rubber member.
The technical scheme is realized, the internal clearance of the rubber part is smaller, and the sealing performance is better compared with the prior sponge or foam.
As an alternative embodiment of the present application, a deformation cavity is provided in the fitting portion.
According to the technical scheme, the deformation cavity enables deformation of the embedded part to be smoother, the embedded part is easier to squeeze and fill the embedded groove, and therefore sealing performance is further improved.
As an optional embodiment of the present application, the engaging portion is further provided with a plurality of auxiliary ribs along its peripheral side, and a plurality of auxiliary grooves are correspondingly formed on the inner side of the engaging groove.
According to the technical scheme, the plurality of auxiliary ribs and the auxiliary grooves are matched, so that the bending degree of the splicing gap of the straight-edge sealing piece and the corner sealing piece is further improved, and a plurality of sealing gaps are formed between the straight-edge sealing piece and the corner sealing piece, so that the leakage of wind is further reduced.
As an alternative embodiment of the present application, the edge of the engaging portion is arc-shaped.
In summary, the present application includes at least one of the following beneficial technical effects:
the surface of the embedded part is slightly convex, and the deformation cavity is formed in the embedded part, so that the embedded part can be more tightly filled in the embedded groove when the embedded part is extruded by external force in the installation process, and the leakage of wind is reduced;
through setting up the cooperation of a plurality of supplementary ribs and auxiliary groove, further improved the number of sealed clearance, improved sealed effect.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall construction view of a mounted state of a filter frame seal structure;
fig. 2 is an exploded view mainly showing the fitting of the fitting portion and the fitting groove;
fig. 3 is a cross-sectional view mainly for showing the deformation chamber.
Reference numerals: 1. a corner seal; 11. a fitting groove; 2. a straight edge seal; 21. a fitting portion; 3. a deformation chamber; 4. auxiliary ribs; 5. an auxiliary groove; 100. a frame; 101. a filter screen; 102. a filter element.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
Referring to fig. 1, the sealing structure is applied to a filter including a frame 100, a filter cartridge 102, and a filter screen 101. The embodiment of the application discloses a filter frame sealing structure, which comprises corner sealing pieces 1, wherein the corner sealing pieces are provided with four corners and are matched with corners of a frame 100 to be bent, and the corner sealing pieces 1 are glued on the frame 100; still include straight flange sealing member 2, straight flange sealing member 2 is located between the adjacent corner sealing member 1, straight flange sealing member 2 length direction's both ends all are equipped with gomphosis portion 21, every corner sealing member 1's both ends portion all is equipped with gomphosis groove 11, gomphosis portion 21 card is inlayed in gomphosis groove 11, gomphosis groove 11 only has an opening and sets up towards gomphosis portion 21, the edge of gomphosis groove 11 is the arc in this embodiment, also can be straight flange or other shapes, as long as guarantee that gomphosis portion 21 card is inlayed the clearance that forms in gomphosis groove 11 is not single straight flange clearance. The top of each fitting portion 21 slightly protrudes from the surface of the straight-sided seal 2.
The embedded part 21 and the embedded groove 11 are clamped and matched to form an irregular splicing gap, so that the leakage of wind is reduced, in addition, the top of the embedded part 21 is slightly raised, when the frame 100 is installed, the frame 100 is tightly pressed at the edge of the wind gap by external force, so that the embedded part 21 is also extruded, the embedded part 21 is further pressed and deformed along the thickness direction, the edge of the embedded part is outwards deformed, the edge of the embedded part 21 is tightly extruded in the embedded groove 11, and the sealing performance is further improved
Referring to fig. 1 and 2, the number of the straight edge seals 2 between the adjacent corner seals 1 is not necessarily one, but may be plural, and when the number of the straight edge seals 2 is plural, the adjacent straight edge seals 2 are engaged with the engaging portion 21 and the engaging groove 11. Ensuring ease of installation and accommodating frames 100 of different sizes. In this embodiment, the corner seal 1, the straight seal 2 and the engaging portion 21 are all made of rubber, and in other alternative embodiments, may be made of foam or the like.
Referring to fig. 2 and 3, the deformation cavity 3 is provided in the fitting portion 21, and the deformation cavity 3 makes the deformation of the fitting portion 21 smoother, so that the fitting portion 21 is easier to squeeze and fill the fitting groove 11, thereby further improving the sealing performance.
Referring to fig. 2 and 3, the engaging portion 21 is further provided with a plurality of auxiliary ribs 4 along its peripheral side, and a plurality of auxiliary grooves 5 are correspondingly formed on the inner side of the engaging groove 11, and the cooperation of the plurality of auxiliary ribs 4 and the auxiliary grooves 5 further improves the bending degree of the splicing gap between the straight edge sealing member 2 and the corner sealing member 1, and forms a plurality of sealing gaps therebetween to further reduce the leakage of wind.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. A filter frame seal structure, comprising:
a corner seal (1), the corner seal (1) matching a corner bend of the frame (100);
a straight edge seal (2), wherein the straight edge seal (2) is positioned between adjacent corner seals (1);
the end part of the straight-edge sealing piece (2) is provided with an embedded part (21), the end part of the corner sealing piece (1) is provided with an embedded groove (11), the embedded part (21) is clamped in the embedded groove (11), and the embedded groove (11) is provided with only one opening and is arranged towards the embedded part (21);
the top of the embedded part (21) slightly protrudes out of the surface of the straight-edge sealing piece (2).
2. The filter frame seal arrangement of claim 1, wherein: the fitting portion (21) is a rubber member.
3. The filter frame seal arrangement of claim 2, wherein: a deformation cavity (3) is arranged in the embedded part (21).
4. A filter frame seal arrangement according to claim 1 or 3, wherein: the embedded part (21) is also provided with a plurality of auxiliary ribs (4) along the peripheral side of the embedded part, and a plurality of auxiliary grooves (5) are correspondingly formed on the inner side of the embedded groove (11).
5. The filter frame seal arrangement of claim 4, wherein: the edge of the jogged part (21) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320472550.8U CN219481961U (en) | 2023-03-13 | 2023-03-13 | Filter frame sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320472550.8U CN219481961U (en) | 2023-03-13 | 2023-03-13 | Filter frame sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219481961U true CN219481961U (en) | 2023-08-08 |
Family
ID=87480809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320472550.8U Active CN219481961U (en) | 2023-03-13 | 2023-03-13 | Filter frame sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219481961U (en) |
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2023
- 2023-03-13 CN CN202320472550.8U patent/CN219481961U/en active Active
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