CN212440284U - Filter - Google Patents
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- CN212440284U CN212440284U CN202020399057.4U CN202020399057U CN212440284U CN 212440284 U CN212440284 U CN 212440284U CN 202020399057 U CN202020399057 U CN 202020399057U CN 212440284 U CN212440284 U CN 212440284U
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- China
- Prior art keywords
- filter screen
- cylindrical
- annular fixing
- fixing piece
- cylindrical filter
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- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims description 4
- 238000009958 sewing Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A filter comprises a cylindrical filter screen and an annular fixing piece, wherein the upper part of the cylindrical filter screen is connected with the annular fixing piece, and the lower part of the cylindrical filter screen is closed. The cylindrical filter screen is in a shape of a straight cylinder. The cylinder-shaped filter screen is in a cone cylinder shape, and one end of the cylinder-shaped filter screen with a large opening is connected with the annular fixing piece. The upper part of the cylindrical filter screen is fixed on the annular fixing piece through riveting; or the upper part of the cylindrical filter screen is provided with a buckle, the inner wall of the annular fixing piece is provided with a clamping groove, and the buckle is clamped in the clamping groove; alternatively, the cylindrical screen is welded to the annular fixing member. The left side and the right side of the lower part of the cylindrical filter screen are folded inwards respectively and abutted against each other to form an inner sealing plate, the front side and the rear side of the lower part of the cylindrical filter screen are folded inwards respectively and abutted against each other to form an outer sealing plate, and the outer sealing plate is connected to the inner sealing plate in a pressing mode to form a closed end. The utility model has the characteristics of the filter effect is good.
Description
Technical Field
The utility model relates to a filter.
Background
Air conditioner passes through freon and realizes quick refrigeration, and at air conditioner during operation, freon circulates in the pipeline, because there is impurity in the freon, freon drives impurity and flows, leads to impurity to pile up very easily and lead to the pipeline to block up, seriously influences freon circulation and refrigeration system thermal efficiency
The filter screen is arranged on the connecting sleeve through the connecting sleeve, the area of the filter screen is small when the filter screen is a plane, the filter screen is easy to stack when impurities appear, and freon cannot pass through the filter screen, so that normal work of an air conditioner is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure is reasonable, the filter effect is good and the big filter screen face is filter to overcome the weak point among the prior art.
According to a filter of this purpose design, including the tube-shape filter screen, its structural feature is: the filter screen is characterized by further comprising an annular fixing piece, the upper portion of the cylindrical filter screen is connected with the annular fixing piece, and the lower portion of the cylindrical filter screen is closed.
Further, the cylindrical filter screen is in a shape of a straight cylinder.
Further, the cylinder-shaped filter screen is in a cone cylinder shape, and one end of the cylinder-shaped filter screen with a large opening is connected with the annular fixing piece.
Further, the upper part of the cylindrical filter screen is fixed on the annular fixing piece through riveting; or the upper part of the cylindrical filter screen is provided with a buckle, the inner wall of the annular fixing piece is provided with a clamping groove, and the buckle is clamped in the clamping groove; alternatively, the cylindrical screen is welded to the annular fixing member.
Furthermore, the left side and the right side of the lower part of the cylindrical filter screen are respectively folded inwards and abutted together to form an inner sealing plate, the front side and the rear side of the lower part of the cylindrical filter screen are respectively folded inwards and abutted together to form an outer sealing plate, and the outer sealing plate is pressed on the inner sealing plate to form a closed end; or the left side and the right side of the lower part of the cylindrical filter screen are respectively folded inwards and abutted together to form a closed end; or the front side and the rear side of the lower part of the cylindrical filter screen are respectively folded inwards and abutted together to form a closed end.
Further, the closed end is sealed by a metal sewing thread.
Further, one side of the annular fixing piece facing the cylindrical filter screen is provided with an assembling opening.
The utility model provides an upper portion and the cyclic annular mounting of tube-shape filter screen are connected, the lower part of tube-shape filter screen is sealed to constitute a cylindric string bag, the surface of whole tube-shape filter screen is promptly for crossing the filter surface, can effectual impurity in the filtration freon, filter with current plane formula filter screen and compare, the filter area of the tube-shape filter screen that has certain degree of depth is bigger, even pile up impurity, because the tube-shape filter screen has certain degree of depth, so can not block up the filter screen of whole tube-shape filter screen, thereby the life of this product has been prolonged, the effective life of refrigeration equipment of heating has also been prolonged.
To sum up, the utility model has the characteristics of the filter effect is good.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
In the figure: 1 is a fixed part, and 2 is a filter part.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1, the filter comprises a cylindrical filter screen 2 and an annular fixing piece 1, wherein the upper part of the cylindrical filter screen 2 is connected with the annular fixing piece 1, and the lower part of the cylindrical filter screen 2 is closed.
In the present embodiment, the cylindrical screen 2 has a straight cylindrical shape.
The cylindrical filter screen 2 is in a conical cylinder shape, and one end of the cylindrical filter screen 2 with a large opening is connected with the annular fixing piece 1.
The upper part of the cylindrical filter screen 2 is fixed on the annular fixing piece 1 through riveting or punching; or, the upper part of the cylindrical filter screen 2 is provided with a buckle, the inner wall of the annular fixing piece 1 is provided with a clamping groove, and the buckle is clamped in the clamping groove; alternatively, the cylindrical screen 2 is welded to the ring fixture 1. The quick connection and fixation can be realized by riveting or stamping.
One side of the annular fixing piece 1 facing the cylindrical filter screen 2 is provided with an assembly opening
The left side and the right side of the lower part of the cylindrical filter screen 2 are respectively folded inwards and abutted together to form a closed end; or the front side and the rear side of the lower part of the cylindrical filter screen 2 are respectively folded inwards and abutted together to form a closed end. In other words, the lower portion of the tubular filter net 2 is directly crushed so that the left and right sides or the front and rear sides of the lower portion are folded inward and abutted together to form a closed end.
The closed end is sealed by a metal sewing thread.
Second embodiment
Referring to fig. 2, in this embodiment, the left and right sides of the lower portion of the cylindrical filter screen 2 are folded inwards and abutted together to form an inner sealing plate, and the front and rear sides of the lower portion of the cylindrical filter screen 2 are folded inwards and abutted together to form an outer sealing plate, which is pressed on the inner sealing plate to form a closed end.
During manufacturing, external force can be applied inwards to the middles of the front side and the rear side of the lower portion of the cylindrical filter screen 2, the cylindrical filter screen is bent towards the middle and abutted against the middles to form an inner sealing plate, then external force is applied inwards to the middles of the left side and the right side, the cylindrical filter screen is bent towards the middle and abutted against the middles to form an outer sealing plate, the outer sealing plate is pressed on the inner sealing plate to be tightly attached to form a closed end, and finally the closed end is sealed through a metal sewing line.
The rest of the parts which are not described in the first embodiment are not described in detail.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A filter, including tube-shape filter screen (2), its characterized in that: the filter screen is characterized by also comprising an annular fixing piece (1), wherein the upper part of the cylindrical filter screen (2) is connected with the annular fixing piece (1), and the lower part of the cylindrical filter screen (2) is closed; wherein, the upper part of the cylindrical filter screen (2) is fixed on the annular fixing piece (1) by riveting; or a buckle is arranged at the upper part of the cylindrical filter screen (2), a clamping groove is formed in the inner wall of the annular fixing piece (1), and the buckle is clamped in the clamping groove; or the cylindrical filter screen (2) is welded on the annular fixing piece (1).
2. A filter according to claim 1, characterised in that the cylindrical sieve (2) is of a straight cylindrical shape.
3. A filter according to claim 1, characterised in that the cylindrical screen (2) is of conical cylindrical shape, the open end of the cylindrical screen (2) being connected to the annular fixing element (1).
4. A filter according to claim 1, wherein the lower portion of the tubular filter mesh (2) is folded inwardly on both left and right sides and abuts against each other to form an inner sealing plate, and the lower portion of the tubular filter mesh (2) is folded inwardly on both front and rear sides and abuts against each other to form an outer sealing plate, and the outer sealing plate is press-fitted to the inner sealing plate to form a closed end; or the left side and the right side of the lower part of the cylindrical filter screen (2) are respectively folded inwards and abutted together to form a closed end; or the front side and the rear side of the lower part of the cylindrical filter screen (2) are respectively folded inwards and abutted together to form a closed end.
5. The filter of claim 4 wherein said closed end is sealed by a metal sewing thread.
6. A filter according to claim 1, characterised in that the side of the ring-shaped fixing element (1) facing the tubular filter cloth (2) is provided with fitting openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399057.4U CN212440284U (en) | 2020-03-25 | 2020-03-25 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399057.4U CN212440284U (en) | 2020-03-25 | 2020-03-25 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212440284U true CN212440284U (en) | 2021-02-02 |
Family
ID=74466622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020399057.4U Active CN212440284U (en) | 2020-03-25 | 2020-03-25 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212440284U (en) |
-
2020
- 2020-03-25 CN CN202020399057.4U patent/CN212440284U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.10, No.9 Road, Qijiao Industrial Zone, Maicun village committee, Xingtan town, Shunde District, Foshan City, Guangdong Province 528300 Patentee after: Foshan Ruiyi Spring Precision Manufacturing Co.,Ltd. Address before: No.10, No.9 Road, Qijiao Industrial Zone, Maicun village committee, Xingtan town, Shunde District, Foshan City, Guangdong Province 528300 Patentee before: Foshan Ruiyi Electric Appliance Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528300, 4th Floor, Building 2, No. 3 Xinfa Road, Shunde High tech Zone (Ronggui), Huakou Community, Ronggui Street, Shunde District, Foshan City, Guangdong Province (Residence Application) Patentee after: Foshan Ruiyi Spring Precision Manufacturing Co.,Ltd. Address before: No.10, No.9 Road, Qijiao Industrial Zone, Maicun village committee, Xingtan town, Shunde District, Foshan City, Guangdong Province 528300 Patentee before: Foshan Ruiyi Spring Precision Manufacturing Co.,Ltd. |