CN212908013U - Exhaust structure of filter - Google Patents
Exhaust structure of filter Download PDFInfo
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- CN212908013U CN212908013U CN202021955821.8U CN202021955821U CN212908013U CN 212908013 U CN212908013 U CN 212908013U CN 202021955821 U CN202021955821 U CN 202021955821U CN 212908013 U CN212908013 U CN 212908013U
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- base
- exhaust passage
- upper cover
- exhaust
- filter
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Abstract
The utility model discloses a filter exhaust structure, which comprises a base and an upper cover; the upper cover lock closes on the base and encloses the constitution with the base and becomes a mounting cavity, the base has first binding face, the upper cover has the second binding face, be provided with between second binding face and the first binding face and tie the muscle and be formed with the exhaust passage between the external and the mounting cavity of intercommunication. The exhaust passage is arranged between the base and the upper cover or between the base and the upper cover, so that gas in the inner cavity of the product is communicated with outside air, and after the gas in the inner cavity of the product expands under heat, convection can be formed between the gas and the outside air, the action of the gas in the inner cavity expanding under heat on the shell is reduced, and the phenomena of swelling and cracking of the shell are avoided; meanwhile, the heat in the inner cavity can be brought to the outside by air convection, and the effect of cooling the material is achieved.
Description
Technical Field
The utility model belongs to the technical field of the wave filter technique and specifically relates to indicate a wave filter exhaust structure.
Background
The filter is a microwave device for limiting the working frequency range of the base station, each filter has a preset frequency range, and in the test device, the frequency selection function of the filter can be used for filtering interference noise or performing spectrum analysis.
The filter can emit heat when in work, the conventional filter mostly adopts an upper cover and a lower cover sealing structure, and the inner cavity gas expands when heated to cause the shell to bulge and break, thereby influencing the normal use of the product. Therefore, it is necessary to design a new solution to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to the deficiency of the prior art, and the main objective of the present invention is to provide an exhaust structure of a filter, which can effectively solve the problem that the existing filter structure is easily heated and the housing bulges or cracks.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a filter exhaust structure comprises a base and an upper cover; the upper cover lock closes on the base and encloses the constitution with the base and becomes a mounting cavity, the base has first binding face, the upper cover has the second binding face, be provided with between second binding face and the first binding face and tie the muscle and be formed with the exhaust passage between the external and the mounting cavity of intercommunication.
As a preferable scheme, the first attaching surface is concave to form a groove, the rib integrally extends outwards from the outer side surface of the upper cover, and the rib is located in the groove to form the exhaust passage.
As a preferred scheme, the tightening ribs extend vertically and are arranged at intervals, and the plurality of tightening ribs are abutted against the bottom surface of the groove to form a plurality of exhaust passages.
A filter exhaust structure comprises a base and an upper cover; the upper cover is buckled on the base and forms an installation cavity with the base in a surrounding mode, and the base or the upper cover is provided with an exhaust passage communicated between the outside and the installation cavity.
As a preferred scheme, a first column body is arranged on the inner bottom surface of the upper cover in a downward protruding mode, the exhaust passage is arranged on the first column body, the upper end of the exhaust passage penetrates through the outer surface of the upper cover, and the lower end of the exhaust passage is communicated with the installation cavity.
As a preferred scheme, the exhaust passage is in a horn shape, the opening at the upper end of the exhaust passage is smaller than the opening at the lower end of the exhaust passage, the opening at the upper end of the exhaust passage is flush with the outer surface of the upper cover, and the opening at the lower end of the exhaust passage is higher than the inner bottom surface of the upper cover.
As a preferable scheme, a second column body is convexly arranged on the inner bottom surface of the base upwards, the exhaust passage is arranged on the second column body, the upper end of the exhaust passage is communicated with the mounting cavity, and the lower end of the exhaust passage penetrates through the outer bottom surface of the base.
As a preferred scheme, an opening at the upper end of the exhaust passage is higher than the inner bottom surface of the base, and the top of the second column body is in a circular truncated cone shape.
As a preferred scheme, reinforcing ribs integrally extend out of the inner walls of the two sides of the base on the second column body.
As a preferred scheme, the exhaust passage is positioned on one side surface of the upper cover, and a concave position which is opposite to and communicated with the exhaust passage is concavely arranged on the side edge of the top of the base.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
the exhaust passage is arranged between the base and the upper cover or between the base and the upper cover, so that gas in the inner cavity of the product is communicated with outside air, and after the gas in the inner cavity of the product expands under heat, convection can be formed between the gas and the outside air, the action of the gas in the inner cavity expanding under heat on the shell is reduced, and the phenomena of swelling and cracking of the shell are avoided; meanwhile, the heat in the inner cavity can be brought to the outside by air convection, and the effect of cooling the material is achieved.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a cross-sectional view of a first preferred embodiment of the present invention;
FIG. 2 is another angular cross-sectional view of the first preferred embodiment of the present invention;
FIG. 3 is a schematic view of a top cover according to a second preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of a second preferred embodiment of the present invention;
FIG. 5 is a schematic view of a base according to a third preferred embodiment of the present invention;
FIG. 6 is a cross-sectional view of a third preferred embodiment of the present invention;
FIG. 7 is a perspective view of a fourth preferred embodiment of the present invention;
fig. 8 is a sectional view of a fourth preferred embodiment of the present invention.
The attached drawings indicate the following:
10. base 101 and installation cavity
102. Recess 103, recess
11. First binding surface 12 and second column body
13. Reinforcing rib 20 and upper cover
201. Tie muscle 202, exhaust passage
203. Exhaust passage 2031 with an opening at the upper end
2032. Lower end opening 204 and exhaust passage
2041. Upper end opening 205, exhaust passage
21. Second binding face 22, first cylinder.
Detailed Description
Referring to fig. 1 and 2, a detailed structure of a first preferred embodiment of the present invention is shown, which includes a base 10 and an upper cover 20.
The upper cover 20 is buckled on the base 10 and forms an installation cavity 101 with the base 10 in a surrounding manner, the base 10 has a first binding face 11, the upper cover 20 has a second binding face 21, a rib 201 is arranged between the second binding face 21 and the first binding face 11, and an exhaust passage 202 communicating the outside and the installation cavity 101 is formed. In this embodiment, the first attachment surface 11 is recessed to form a groove 102, the rib 201 integrally extends out from the outer side surface of the upper cover 20, and the rib 201 is located in the groove 102 to form an exhaust passage 202; the tie bars 201 extend vertically, the tie bars 201 are arranged at intervals, the tie bars 201 all abut against the bottom surface of the groove 102 to form a plurality of exhaust passages 202, so that glue fixedly connected cannot completely seal each exhaust passage 202 when the upper cover 20 and the base 10 are assembled, and the air inside the product is communicated with the outside atmosphere.
Detailed description the working principle of the present embodiment is as follows:
during the use, place the coil in installation cavity 101 for this product equipment forms the wave filter, then installs the wave filter on the circuit board, and the during operation, the gas in the installation cavity 101 is heated the inflation, forms the convection current through exhaust passage 202 and outside air, reduces the pressure of the interior gas of installation cavity 101 thermal expansion that receives to upper cover 20 and base 10, avoids the shell of constituteing by upper cover 20 and base 10 to appear bulging, rupture phenomenon.
Referring to fig. 3 and 4, a specific structure of a second preferred embodiment of the present invention is shown, which is basically the same as the specific structure of the first preferred embodiment, except that:
an exhaust passage 203 communicated between the outside and the installation cavity 101 is formed on the base 10 or the upper cover 20. Specifically, a first column 22 is convexly arranged on the inner bottom surface of the upper cover 20 downwards, the exhaust duct 203 is arranged on the first column 22, the upper end of the exhaust duct 203 penetrates through the outer surface of the upper cover 20, and the lower end of the exhaust duct 203 is communicated with the installation cavity 101; the air inside and outside the product is communicated through the exhaust passage 203, when the product is heated, the air inside the product can be communicated with the atmosphere, and the expansion of the gas has no force effect on the shell; and when the glue dispensing process is carried out in production, the air exhaust passage is communicated with external air, so that the glue solidification can be accelerated. In this embodiment, the exhaust passage 203 is in a horn shape, the upper end opening 2031 is smaller than the lower end opening 2032, the upper end opening 2031 is small to prevent external impurities from entering the product, and meanwhile, the inside and outside air can be communicated, and the lower end opening 2032 is large to increase the glue flowing distance, so that glue is not easy to flow to the upper end opening 2031 in the production process, and the upper end opening 2031 is blocked; the upper end opening 2031 of the air vent 203 is flush with the outer surface of the upper cover 20, and the lower end opening 2032 of the air vent 203 is higher than the inner bottom surface of the upper cover 20, so that the glue can be prevented from overflowing the lower end opening 2032 in the subsequent dispensing process, and the air vent 203 is blocked. The exhaust structure can meet the ventilation requirement of the product and has an anti-blocking function.
The operation principle of this embodiment is the same as that of the first preferred embodiment, and the operation principle of this embodiment will not be described in detail here.
Referring to fig. 5 and fig. 6, a specific structure of a third preferred embodiment of an exhaust structure of a filter according to the present invention is shown, the specific structure of this embodiment is basically the same as that of the first preferred embodiment, except that:
the inner bottom surface of the base 10 is provided with a second column 12 in an upward protruding manner, the exhaust passage 204 is arranged on the second column 12, the upper end of the exhaust passage 204 is communicated with the mounting cavity 101, and the lower end of the exhaust passage 204 penetrates through the outer bottom surface of the base 10. The upper end opening 2041 of the exhaust passage 204 is higher than the inner bottom surface of the base 10, so that glue dispensed in the base 10 cannot exceed the exhaust passage 204 in the subsequent glue dispensing process, and the exhaust passage 204 is prevented from being blocked; the top of the second column body 12 is in a round table shape, and glue can flow down along the inclined plane when being adhered to the top end of the round table in the production process and is not easy to gather and solidify in the exhaust passage 204, so that the exhaust passage 204 is blocked; reinforcing ribs 13 integrally extend from the second cylinder 12 to the inner walls of the two sides of the base 10, so as to enhance the structural strength of the exhaust passage 204. The exhaust structure can meet the ventilation requirement of a product, has an anti-blocking function and simultaneously strengthens the exhaust characteristic strength.
The operation principle of this embodiment is the same as that of the first preferred embodiment, and the operation principle of this embodiment will not be described in detail here.
Referring to fig. 7 and 8, a specific structure of a fourth preferred embodiment of an exhaust structure of a filter according to the present invention is shown, the specific structure of this embodiment is substantially the same as that of the first preferred embodiment, except that:
the air vent 205 is positioned on one side surface of the upper cover 20, a concave position 103 which is opposite to and communicated with the air vent 205 is concavely arranged on the side edge of the top of the base 10, and the height of the air vent 205 is adjusted according to the actual dispensing amount by taking the standard that glue does not diffuse through the air vent 205.
The operation principle of this embodiment is the same as that of the first preferred embodiment, and the operation principle of this embodiment will not be described in detail here.
The utility model discloses a design focus lies in:
the exhaust passage is arranged between the base and the upper cover or between the base and the upper cover, so that gas in the inner cavity of the product is communicated with outside air, and after the gas in the inner cavity of the product expands under heat, convection can be formed between the gas and the outside air, the action of the gas in the inner cavity expanding under heat on the shell is reduced, and the phenomena of swelling and cracking of the shell are avoided; meanwhile, the heat in the inner cavity can be brought to the outside by air convection, and the effect of cooling the material is achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A filter exhaust structure characterized by: comprises a base and an upper cover; the upper cover lock closes on the base and encloses the constitution with the base and becomes a mounting cavity, the base has first binding face, the upper cover has the second binding face, be provided with between second binding face and the first binding face and tie the muscle and be formed with the exhaust passage between the external and the mounting cavity of intercommunication.
2. The filter exhaust structure according to claim 1, wherein: the first attaching face is internally concave and provided with a groove, the rib integrally extends outwards from the outer side face of the upper cover, and the rib is positioned in the groove to form an exhaust passage.
3. The filter exhaust structure according to claim 2, wherein: the tightening ribs extend vertically and are arranged at intervals, and the tightening ribs are all abutted against the bottom surface of the groove to form a plurality of exhaust passages.
4. A filter exhaust structure characterized by: comprises a base and an upper cover; the upper cover is buckled on the base and forms an installation cavity with the base in a surrounding mode, and the base or the upper cover is provided with an exhaust passage communicated between the outside and the installation cavity.
5. The filter exhaust structure according to claim 4, wherein: the inner bottom surface of the upper cover is provided with a first column body in a downward protruding mode, the exhaust passage is arranged on the first column body, the upper end of the exhaust passage penetrates through the outer surface of the upper cover, and the lower end of the exhaust passage is communicated with the mounting cavity.
6. The filter exhaust structure according to claim 5, wherein: the exhaust passage is in a horn shape, the upper end opening of the exhaust passage is smaller than the lower end opening, the upper end opening of the exhaust passage is flush with the outer surface of the upper cover, and the lower end opening of the exhaust passage is higher than the inner bottom surface of the upper cover.
7. The filter exhaust structure according to claim 4, wherein: the inner bottom surface of the base is convexly provided with a second column body upwards, the exhaust passage is arranged on the second column body, the upper end of the exhaust passage is communicated with the mounting cavity, and the lower end of the exhaust passage penetrates through the outer bottom surface of the base.
8. The filter exhaust structure according to claim 7, wherein: the upper end opening of the exhaust passage is higher than the inner bottom surface of the base, and the top of the second column body is in a circular truncated cone shape.
9. The filter exhaust structure according to claim 7, wherein: reinforcing ribs integrally extend from the inner walls of the two sides of the base on the second column body.
10. The filter exhaust structure according to claim 4, wherein: the exhaust passage is positioned on one side surface of the upper cover, and the side edge of the top of the base is concavely provided with a concave position which is opposite to and communicated with the exhaust passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021955821.8U CN212908013U (en) | 2020-09-09 | 2020-09-09 | Exhaust structure of filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021955821.8U CN212908013U (en) | 2020-09-09 | 2020-09-09 | Exhaust structure of filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212908013U true CN212908013U (en) | 2021-04-06 |
Family
ID=75256218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021955821.8U Active CN212908013U (en) | 2020-09-09 | 2020-09-09 | Exhaust structure of filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212908013U (en) |
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2020
- 2020-09-09 CN CN202021955821.8U patent/CN212908013U/en active Active
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