CN102361116B - Cavity filter and cavity filter cover plate - Google Patents
Cavity filter and cavity filter cover plate Download PDFInfo
- Publication number
- CN102361116B CN102361116B CN2011103089117A CN201110308911A CN102361116B CN 102361116 B CN102361116 B CN 102361116B CN 2011103089117 A CN2011103089117 A CN 2011103089117A CN 201110308911 A CN201110308911 A CN 201110308911A CN 102361116 B CN102361116 B CN 102361116B
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- Prior art keywords
- cover plate
- screw
- reinforcement
- cavity
- via hole
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- 230000002787 reinforcement Effects 0.000 claims description 76
- 238000002955 isolation Methods 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 9
- 230000007547 defect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
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- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a cavity filter and a cavity filter cover plate. The cavity filter comprises a cavity and a cover plate covered on the cavity, wherein the thickness of the cover plate is 0.5-3 millimeters; the cover plate is provided with a threaded boss for installing an adjusting screw; and the periphery of the threaded boss on the cover plate is provided with reinforcing ribs. Compared with the prior art, the cavity filter and the cavity filter cover plate have the advantages: the thickness of the cover plate is smaller than that of a cover plate in the prior art, so that the product cost is reduced; the cover plate is provided with the threaded boss, so that the contact of a tuning screw rod with the cover plate is firmer; and the periphery of the threaded boss is provided with the reinforcing ribs, so that the rigidity and strength of the cover plate are enhanced, the performance of a product is improved, and the product cost is saved.
Description
Technical field
The present invention relates to a kind of cavity body filter and cavity filter cover board.
Background technology
Cavity filter cover board is usually by aluminium, the alloy such as magnesium or iron forms, be mainly used in coordinating with filter cavity, form resonant cavity, at present the thickness of cover plate is 4mm at least, as shown in Figure 1, for cavity body filter covering plate structure schematic diagram in prior art, cover plate 1 is provided with screw hole 2 for adjustment screw is installed and for the screw via hole 3 of hold-down screw is installed, cover plate need to have enough rigidity and intensity usually, by hold-down screw, be locked on cavity, making after cover plate can contacts good with cavity, in addition, cover plate also will have enough thickness, adjustment screw and screw via hole are locked reliably.
In the research and practice process to prior art, the present inventor finds rigidity and the intensity in order to guarantee cover plate, must increase the thickness of whole cover plate, can cause increasing the cost of whole product, and if cover plate is done too thinly, can cause again the rigidity of cover plate and intensity limited, the thickness of cover plate screwing via hole is limited, can make adjustment screw contact with cover plate not firm, can affect the reliability of product, and then affect the performance of product.
Summary of the invention
The present invention causes increasing the defect of cost for solving in prior art the rigidity for guaranteeing cover plate and thickness that intensity increases whole cover plate, a kind of cavity filter cover board and cavity body filter are provided.
For achieving the above object, the present invention is by the following technical solutions:
A kind of cavity body filter comprises: cavity and cover the cover plate on cavity, the thickness of described cover plate is 0.5～3mm, described cover plate is provided with for the screw boss of adjustment screw is installed, on described cover plate screw boss around also be provided with reinforcement.
Described reinforcement and described screw boss link together.
The height of described screw boss is lower than the height of described reinforcement.
Be provided with isolation bar in described cavity, the reinforcement on described cover plate is connected to each other together by screw boss, and the distribution shape of described reinforcement is consistent with the distribution shape of described isolation bar.
Described reinforcement is provided with for the screw via hole of hold-down screw is installed, and described hold-down screw is for being fixed on cavity by cover plate.
The height of described screw via hole is lower than the height of described reinforcement.
On described cover plate, surrounding is provided with frame, and described frame and described reinforcement link together, and described frame is provided with the screw via hole that hold-down screw is installed.
Also comprise the connector outer conductor on described cover plate, around described connector outer conductor, be provided with reinforcement, described reinforcement and described connector outer conductor link together.
Described reinforcement is connected to each other together, and the distribution shape of described reinforcement is consistent with the isolation bar distribution shape in cavity.
A kind of cavity body filter comprises: cavity and cover the cover plate on cavity, and the thickness of described cover plate is 0.5～3mm, described cover plate is provided with for the screw via hole of adjustment screw is installed, and also is provided with reinforcement around described cover plate screwing via hole.
Described reinforcement is connected with described screw via hole.
A kind of cavity filter cover board comprises: the thickness of described cover plate is 0.5～3mm, and described cover plate is provided with the screw boss for adjustment screw is installed or the screw via hole of hold-down screw is installed, and also is provided with reinforcement on described cover plate.
The present invention relates to a kind of cavity body filter and cavity filter cover board, with respect to above-mentioned prior art, the Thickness Ratio prior art of cover plate is thinner, reduced the cost of product, screw boss on the cover board has been set, tuning screw has been contacted more firm with cover plate, reinforcement is set around screw boss, increase the Rigidity and strength of cover plate, improved the performance of product, saved the cost of product.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described.
Fig. 1 is to be cavity body filter covering plate structure schematic diagram in prior art;
Fig. 2 is the embodiment of the present invention one cavity filter cover board partial structurtes schematic diagram;
Fig. 3 is the embodiment of the present invention one cavity filter cover board partial structurtes schematic diagram;
Fig. 4 is the embodiment of the present invention one cavity filter cover board partial structurtes schematic diagram;
Fig. 5 is the embodiment of the present invention one cavity body filter partial structurtes schematic diagram;
Fig. 6 is the embodiment of the present invention one cavity body filter partial structurtes profile;
Fig. 7 is the partial structurtes schematic diagram that the embodiment of the present invention one cavity filter cover board is not installed adjustment screw;
Fig. 8 is that the embodiment of the present invention one cavity filter cover board is installed the partial structurtes schematic diagram of adjustment screw;
Fig. 9 is the partial structurtes schematic diagram that the embodiment of the present invention one cavity filter cover board is provided with the connector outer conductor.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Embodiment mono-provides a kind of cavity body filter, comprise: cavity 4 and cover the cover plate 5 on cavity, the thickness of described cover plate 5 is 0.5～3mm, described cover plate 5 is provided with the screw boss 6 for adjustment screw is installed, on described cover plate 5 screw boss 6 around also be provided with reinforcement, preferably, described reinforcement and described screw boss link together.
The thickness of described cover plate is made as 0.5～3mm, can adopt 0.5mm, 1mm, 1.5mm, 2mm or 3mm.Because the thickness of cover plate is too thin, screw boss on the cover board is set, be provided with the screw via hole in screw boss, for adjustment screw is installed, with adjustment screw, mutually lock, due to screw boss being set, make adjustment screw more firmly reliable with contacting of cover plate, avoided cover plate to cross thin insecure defect that contacts with adjustment screw, in Fig. 2, boss is only for strengthening cover plate local strength, Fig. 3 is another kind of form screw boss structural representation, and boss is not only for strengthening cover plate local strength, also for locking adjustment screw.
Described reinforcement and described screw boss link together, the reinforcement extended to surrounding centered by described screw boss, can be provided with a plurality of screw boss on described cover plate, also not only one of the reinforcement extended to surrounding centered by described screw boss, described reinforcement can extend a bit of i.e. termination, with other reinforcements, do not contact, can constantly extend until be connected with other reinforcements yet.In screw boss, reinforcement is set, has avoided increasing a whole cover plate thickening, saved manufacturing cost, strengthened again the strength and stiffness of cover plate simultaneously, in order further to strengthen the strength and stiffness of cover plate, can increase the height of reinforcement.
The height of described screw boss is lower than the height of described reinforcement, screw boss on the cover board is set, adjustment screw is installed on screw boss, may make adjustment screw too high, be not easy to install, the height of screw boss is reduced, guarantee that adjustment screw is connected with screw boss firm, by the installation of being convenient to adjustment screw.
Be provided with isolation bar 11 in described cavity, the reinforcement on described cover plate is connected to each other together by screw boss, and the distribution shape of described reinforcement is consistent with the distribution shape of described isolation bar.Isolation bar in the lower surface of described cover plate and cavity forms resonant cavity, and the upper surface of the cover plate position corresponding with the isolation bar that forms resonant cavity is provided with reinforcement.
Described reinforcement is provided with for the screw via hole 7 of hold-down screw is installed, and described hold-down screw is for cover plate is fixed on to cavity, and the isolation bar in described cavity is provided with the screw via hole, for hold-down screw is installed.
The height of described screw via hole is lower than the height of described reinforcement, for the excessive height that prevents hold-down screw affects the performance of product, can reduce the height of screw via hole.
On described cover plate, surrounding is provided with frame 10, and described frame and reinforcement link together, and described frame is provided with the screw via hole that hold-down screw is installed.
Also comprise connector outer conductor 12 on described cover plate 5, around described connector outer conductor, be provided with reinforcement, described reinforcement and described connector outer conductor link together.
Described centered by described connector outer conductor, outward extending reinforcement is with together with the reinforcement extended to surrounding centered by described screw boss is connected to each other, and the distribution shape of the described reinforcement isolation bar distribution shape interior with cavity is consistent.
The present invention relates to a kind of cavity body filter, the Thickness Ratio prior art of cover plate is thinner, reduced the cost of product, screw boss on the cover board is set, tuning screw is contacted more firm with cover plate, around screw boss, reinforcement is set, increased the Rigidity and strength of cover plate, improve the performance of product, saved the cost of product.
Embodiment bis-provides a kind of cavity body filter, comprise: cavity and cover the cover plate on cavity, the thickness of described cover plate is 0.5～3mm, described cover plate is provided with for the screw via hole of adjustment screw is installed, also be provided with reinforcement around described cover plate screwing via hole, preferably, described reinforcement is connected with described screw via hole.
Be provided with isolation bar in described cavity, the reinforcement on described cover plate extends and is connected to each other together to surrounding centered by the screw via hole, and the distribution shape of described reinforcement is consistent with the distribution shape of described isolation bar.Isolation bar in the lower surface of described cover plate and cavity forms resonant cavity, and the upper surface of the cover plate position corresponding with the isolation bar that forms resonant cavity is provided with reinforcement.
Described reinforcement is provided with for the screw via hole of hold-down screw is installed, and described hold-down screw is for cover plate is fixed on to cavity, and the isolation bar in described cavity is provided with the screw via hole, for hold-down screw is installed.
The height of described screw via hole is lower than the height of described reinforcement, for the excessive height that prevents hold-down screw affects the performance of product, can reduce the height of screw via hole.
On described cover plate, surrounding is provided with frame, and described frame and reinforcement link together, and described frame is provided with the screw via hole that hold-down screw is installed.
The present invention relates to a kind of cavity body filter, the Thickness Ratio prior art of cover plate is thinner, reduced the cost of product, the screw via hole on the cover board is set, tuning screw is contacted more firm with cover plate, around the screw via hole, reinforcement is set, increased the Rigidity and strength of cover plate, improve the performance of product, saved the cost of product.
Embodiment tri-provides a kind of cavity filter cover board, comprising: the thickness of described cover plate is 0.5～3mm, and described cover plate is provided with the screw boss for adjustment screw is installed or the screw via hole of hold-down screw is installed, and also is provided with reinforcement on described cover plate.
Described cover plate is provided with for the screw boss of adjustment screw is installed, and also is provided with the reinforcement that is connected with described screw boss and extends to surrounding centered by described screw boss on described cover plate.
Described cover plate is provided with for the screw via hole of hold-down screw is installed, and also is provided with the reinforcement that is connected with described screw via hole and extends to surrounding centered by described screw via hole on described cover plate.
The thickness of described cover plate is made as 0.5～3mm, can adopt 0.5mm, 1mm, 1.5mm, 2mm or 3mm.Because the thickness of cover plate is too thin, screw boss on the cover board is set, be provided with the screw via hole in screw boss, for adjustment screw is installed, with adjustment screw, mutually lock, due to screw boss being set, make adjustment screw more firmly reliable with contacting of cover plate, avoided cover plate to cross thin insecure defect that contacts with adjustment screw.
Also be provided with the reinforcement extended to surrounding on described cover plate centered by described screw boss, can be provided with a plurality of screw boss on described cover plate, also not only one of the reinforcement extended to surrounding centered by described screw boss, described reinforcement can extend a bit of i.e. termination, with other reinforcements, do not contact, can constantly extend until be connected with other reinforcements yet.In screw boss, reinforcement is set, has avoided increasing a whole cover plate thickening, saved manufacturing cost, strengthened again the strength and stiffness of cover plate simultaneously, in order further to strengthen the strength and stiffness of cover plate, can increase the height of reinforcement.
The height of described screw boss is lower than the height of described reinforcement, screw boss on the cover board is set, adjustment screw is installed on screw boss, may make adjustment screw too high, be not easy to install, the height of screw boss is reduced, guarantee that adjustment screw is connected with screw boss firm, by the installation of being convenient to adjustment screw.
The present invention relates to a kind of cavity filter cover board, the Thickness Ratio prior art is thinner, reduced the cost of product, the screw via hole on the cover board is set, tuning screw is contacted more firm with cover plate, around the screw via hole, reinforcement is set, increased the Rigidity and strength of cover plate, improve the performance of product, saved the cost of product.
Applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention simultaneously.
Claims (8)
1. a cavity body filter, it is characterized in that: comprising: cavity and cover the cover plate on cavity, the thickness of described cover plate is 0.5～3mm, described cover plate is provided with for the screw boss of adjustment screw is installed, on described cover plate screw boss around also be provided with reinforcement, described reinforcement and described screw boss link together, be provided with isolation bar in described cavity, reinforcement on described cover plate is connected to each other together by screw boss, and the distribution shape of described reinforcement is consistent with the distribution shape of described isolation bar.
2. cavity body filter according to claim 1, it is characterized in that: the height of described screw boss is lower than the height of described reinforcement.
3. cavity body filter according to claim 2, it is characterized in that: described reinforcement is provided with for the screw via hole of hold-down screw is installed, and described hold-down screw is for being fixed on cavity by cover plate.
4. cavity body filter according to claim 3, it is characterized in that: the height of described screw via hole is lower than the height of described reinforcement.
5. cavity body filter according to claim 2, it is characterized in that: on described cover plate, surrounding is provided with frame, and described frame and described reinforcement link together, and described frame is provided with the screw via hole that hold-down screw is installed.
6. cavity body filter according to claim 2 is characterized in that: also comprise the connector outer conductor on described cover plate, around described connector outer conductor, be provided with reinforcement, described reinforcement and described connector outer conductor link together.
7. cavity body filter according to claim 6 is characterized in that: described reinforcement is by the connector outer conductor with together with screw boss is connected to each other, and the distribution shape of described reinforcement is consistent with the isolation bar distribution shape in cavity.
8. a cavity body filter, it is characterized in that: comprising: cavity and cover the cover plate on cavity, the thickness of described cover plate is 0.5～3mm, described cover plate is provided with for the screw via hole of hold-down screw is installed, also be provided with reinforcement around described cover plate screwing via hole, described reinforcement and described screw thread via hole link together, be provided with isolation bar in described cavity, reinforcement on described cover plate is connected to each other together by the screw thread via hole, and the distribution shape of described reinforcement is consistent with the distribution shape of described isolation bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103089117A CN102361116B (en) | 2011-10-11 | 2011-10-11 | Cavity filter and cavity filter cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103089117A CN102361116B (en) | 2011-10-11 | 2011-10-11 | Cavity filter and cavity filter cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102361116A CN102361116A (en) | 2012-02-22 |
| CN102361116B true CN102361116B (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103089117A Active CN102361116B (en) | 2011-10-11 | 2011-10-11 | Cavity filter and cavity filter cover plate |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700912B (en) * | 2013-12-31 | 2016-06-08 | 深圳市大富科技股份有限公司 | Cavity body filter and cover plate thereof |
| US11103925B2 (en) | 2018-03-22 | 2021-08-31 | The Boeing Company | Additively manufactured antenna |
| US11545743B2 (en) | 2019-05-24 | 2023-01-03 | The Boeing Company | Additively manufactured mesh cavity antenna |
| US11283143B2 (en) * | 2019-05-24 | 2022-03-22 | The Boeing Company | Additively manufactured radio frequency filter |
| US11909110B2 (en) | 2020-09-30 | 2024-02-20 | The Boeing Company | Additively manufactured mesh horn antenna |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201472428U (en) * | 2009-06-26 | 2010-05-19 | 何应时 | Self-help type transforming light trolley for infants, children and stuff |
| CN101728609A (en) * | 2010-01-07 | 2010-06-09 | 东莞市苏普尔电子科技有限公司 | Implementing method for preventing signals of coaxial filter from leaking and signal processing device |
| CN202308238U (en) * | 2011-10-11 | 2012-07-04 | 深圳市大富科技股份有限公司 | Cavity filter and cavity filter cover plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101217184B1 (en) * | 2005-12-23 | 2012-12-31 | 주식회사 케이엠더블유 | Radio frequency filter |
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- 2011-10-11 CN CN2011103089117A patent/CN102361116B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201472428U (en) * | 2009-06-26 | 2010-05-19 | 何应时 | Self-help type transforming light trolley for infants, children and stuff |
| CN101728609A (en) * | 2010-01-07 | 2010-06-09 | 东莞市苏普尔电子科技有限公司 | Implementing method for preventing signals of coaxial filter from leaking and signal processing device |
| CN202308238U (en) * | 2011-10-11 | 2012-07-04 | 深圳市大富科技股份有限公司 | Cavity filter and cavity filter cover plate |
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| CN102361116A (en) | 2012-02-22 |
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Address after: 518104, Guangdong, Shenzhen province Baoan District manhole Street oyster road manhole Industrial Company Third Industrial Zone A1, A2, A3 101 and 2 layers, A4 Applicant after: SHENZHEN TATFOOK TECHNOLOGY Co.,Ltd. Address before: The establishment of Baoan District Shiyan Town, 518108 Shenzhen Road, Guangdong province with rich industrial area A/B building Applicant before: SHENZHEN TATFOOK TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20180801 Address after: 233400 Huaiyuan County Economic Development Zone, Bengbu, Anhui Patentee after: ANHUI DAFU ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: 518104 Floors 101, 2 and A4 of A1, A2, A3 of Shajing Street, Shajing Street, Shajing Road, Shajing Industry Co., Ltd. No. 3 Industrial Zone, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TATFOOK TECHNOLOGY Co.,Ltd. |
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