CN212594586U - Coarse filter screen of air filter - Google Patents
Coarse filter screen of air filter Download PDFInfo
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- CN212594586U CN212594586U CN202021561956.6U CN202021561956U CN212594586U CN 212594586 U CN212594586 U CN 212594586U CN 202021561956 U CN202021561956 U CN 202021561956U CN 212594586 U CN212594586 U CN 212594586U
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- frame
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- layering
- filter
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Abstract
The utility model relates to an air cleaner technical field discloses an air cleaner coarse strainer, including frame and layering, the frame sets up the filter screen for the angle aluminum alloy frame through welded connection in the frame, sets up the layering at the inward flange of frame, the layering fixes the filter screen in the frame at the front end of filter screen. The utility model discloses change frame structure, reduced the manufacturing degree of difficulty, the angle aluminium frame not only cost is cheap weight to be reduced, satisfies the requirement of higher air volume.
Description
Technical Field
The utility model relates to an air cleaner technical field especially relates to an air cleaner coarse strainer.
Background
In the accessories of a 400km standard motor train unit, an air filter coarse strainer of a cooling unit is mainly used for the working conditions of large air intake, good interchangeability and small space requirement, and is used for the occasions of filtering large-particle air impurities on the side surface of a motor train body, severe working conditions and abundant ventilation quantity.
The traditional rough filter screen assembly of the cooling unit is mostly formed by welding an aluminum outer frame, and the back part of the traditional rough filter screen assembly is formed by riveting a pressing strip and is used for fixing a filter screen. The manufacturing method has high technological requirement and high manufacturing cost, and if the fan adopts an air suction type, the back of the fan is riveted to increase the risk of rivet failure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, providing an air cleaner coarse strainer, changing frame structure, having reduced the manufacturing degree of difficulty, the angle aluminium frame not only cost is cheap weight to be reduced, satisfies the requirement of higher air volume.
The utility model adopts the technical proposal that:
the utility model provides an air cleaner coarse strainer, characterized by, includes frame and layering, the frame sets up the filter screen for the angle aluminum alloy frame through welded connection in the frame, sets up the layering at the inward flange of frame, the layering fixes the filter screen in the frame at the front end of filter screen.
Furthermore, transverse or longitudinal additional pressing strips are arranged at a plurality of positions in the middle of the outer frame, and the additional pressing strips further fix the filter screen.
Further, a handle is arranged on the additional pressing strip.
The utility model has the advantages that:
through the improvement to the frame, greatly reduced the manufacturing degree of difficulty, angle aluminium frame not only cost is cheap weight reduction, and the change of leading filter screen satisfies the requirement of higher air volume in induced-draft fan simultaneously, greatly reduced the risk that the rivet became invalid.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a partially enlarged view of a in fig. 2.
Detailed Description
The following describes in detail an embodiment of the air filter coarse strainer according to the present invention with reference to the accompanying drawings.
Referring to the attached drawings 1, 2 and 3, the coarse filter screen of the air filter comprises an outer frame 1 and a pressing strip 2, wherein the outer frame 1 is an angle aluminum alloy frame connected through welding, a filter screen 3 is arranged in the outer frame 1, the pressing strip 2 is arranged at the inner edge of the outer frame 1, and the filter screen is fixed in the outer frame 1 at the front end of the filter screen 3 by the pressing strip 2. And transverse or longitudinal additional pressing strips 4 are arranged at a plurality of positions in the middle of the outer frame 1, and the additional pressing strips 4 further fix the filter screen 3. A handle 5 is arranged on the additional pressing strip 4.
During installation, the filter screen 3 is arranged in the outer frame 1, four sides of the filter screen are locked by the pressing strips 2 through fasteners, and the filter screen is further fixed through the additional pressing strip 4 in the middle. After the installation is finished, the installation is carried to the installation position through the handle 5. When the maintenance and the replacement are carried out, the additional pressing strip 4 and the pressing strip 2 are detached.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. An air filter coarse strainer, which is characterized in that: including frame and layering, the frame sets up the filter screen for the angle aluminum alloy frame through welded connection in the frame, sets up the layering at the inward flange of frame, the layering is fixed the filter screen in the frame at the front end of filter screen.
2. The air filter coarse screen of claim 1, wherein: and arranging transverse or longitudinal additional pressing strips at a plurality of positions in the middle of the outer frame, wherein the additional pressing strips further fix the filter screen.
3. The air filter coarse screen of claim 2, wherein: and a handle is arranged on the additional pressing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561956.6U CN212594586U (en) | 2020-07-31 | 2020-07-31 | Coarse filter screen of air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561956.6U CN212594586U (en) | 2020-07-31 | 2020-07-31 | Coarse filter screen of air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212594586U true CN212594586U (en) | 2021-02-26 |
Family
ID=74729760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021561956.6U Active CN212594586U (en) | 2020-07-31 | 2020-07-31 | Coarse filter screen of air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212594586U (en) |
-
2020
- 2020-07-31 CN CN202021561956.6U patent/CN212594586U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |