CN106329043A - Fixing apparatus for crossed and coupled capacitor of cavity filter - Google Patents
Fixing apparatus for crossed and coupled capacitor of cavity filter Download PDFInfo
- Publication number
- CN106329043A CN106329043A CN201510347256.4A CN201510347256A CN106329043A CN 106329043 A CN106329043 A CN 106329043A CN 201510347256 A CN201510347256 A CN 201510347256A CN 106329043 A CN106329043 A CN 106329043A
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- CN
- China
- Prior art keywords
- fixture
- fixing device
- cavity body
- capacitor
- cross coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a fixing apparatus for a crossed and coupled capacitor of a cavity filter. The fixing apparatus is used for fixing a capacitor dielectric (3), and comprises a fixing part (1) and an insulating supporting part (2), wherein the insulating supporting part (2) is a square supporting part; grooves with first threaded holes (21) are symmetrically formed in two sides of the insulating supporting part (2) while second threaded holes (22) are formed in the other two sides; the first threaded holes (21) are connected with the fixing part (1) through first fastening parts (5); two through holes are formed in the side wall of the capacitor dielectric (3); the through holes and the second threaded holes (22) are connected through second fastening parts (4); and the fixing part (1) and the capacitor dielectric (3) are arranged in a crossed manner. Compared with the prior art, the fixing apparatus has the advantages of stable structure, convenience in assembling, and the like.
Description
Technical field
The present invention relates to capacitor fixing device, especially relate to a kind of for cavity body filter cross coupling capacitor
Fixing device.
Background technology
Along with the fast development of wireless communication technology, frequency spectrum resource growing tension, the Out-of-band rejection requirement to wave filter
More and more higher.Therefore, the design process of cavity body filter have employed increasing cross coupling capacitor fixed knot
Structure.Electric capacity fixed form is an extremely sensitive structure in cavity body filter.
Existing capacitive coupling device as Figure 1-Figure 2, including fixture 1, support member 2 and insulated screw 4,
Fixture 1, support member 2, medium (i.e. electric capacity) 3 are sequentially connected with by insulated screw 4, fixture 1 and Jie
Matter 3 is arranged in a crossed manner.Existing capacitor fixing structure is not the most very firm, easily as shown in Figure 2 at fixing aspect
The direction of arrow swing, and easily by processing and assembly technology is affected, batch production can be brought inconvenience.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of Stability Analysis of Structures, dress are provided
Join the fixing device being conveniently used for cavity body filter cross coupling capacitor.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of fixing device for cavity body filter cross coupling capacitor, for fixed capacity medium, including fixing
Part and insulated support, described insulated support is a quadrate support block, and its lateral symmetry is provided with the first screw thread
The groove in hole, another both sides are provided with the second screwed hole, and described first screwed hole is connected with fixture by the first securing member,
Offer two through hole, described through hole and the second screwed hole on described capacitor dielectric sidewall to be connected by the second securing member,
Described fixture and capacitor dielectric are arranged in a crossed manner.
Described fixture is U-shaped structure, and this U-shaped inside configuration width is equal with the width of insulated support.
Described first securing member is metal fastenings.
Described second securing member is insulated fasteners.
Described fixture medial wall is provided with chamfering.
Compared with prior art, the invention have the advantages that
(1) present invention offers two through hole on capacitor dielectric, and insulated support is designed as quadrate support block,
First insulated support is connected with fixture, then capacitor dielectric is connected with insulated support, two by two through hole
Add the control to capacitor dielectric degree of freedom on individual direction, improve the reliability that capacitor dielectric is fixing.
(2) present invention has higher performance guarantee to radio frequency precision prescribed.
(3) fixture inner width of the present invention is equal with the width of insulated support, it is ensured that insulated support
Stability, and then ensure that the stability that capacitor dielectric is fixing.
(4) present invention installs simple and convenient and stability strong, and assembling concordance is strong.
(5) fixture medial wall of the present invention is provided with chamfering, it is simple to part assembles.
Accompanying drawing explanation
Fig. 1 is existing capacitor fixing device exploded perspective view；
Fig. 2 is the schematic diagram after the assembling of existing capacitor fixing device；
Fig. 3 is the exploded perspective view of the present invention；
Fig. 4 is the perspective diagram of fixture of the present invention；
Fig. 5 is the perspective diagram of insulated support of the present invention.
Fig. 6 is the schematic diagram after fixture of the present invention is connected with insulated support；
Fig. 7 is the schematic diagram after the present invention assembles.
Detailed description of the invention
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the technology of the present invention side
Implement premised on case, give detailed embodiment and concrete operating process, but the protection model of the present invention
Enclose and be not limited to following embodiment.
As shown in Fig. 3-Fig. 7, a kind of fixing device for cavity body filter cross coupling capacitor, it is used for fixing
Capacitor dielectric 3, including fixture 1 and insulated support 2, insulated support 2 is a quadrate support block, and they are two years old
Side is symmetrical arranged the groove with the first screwed hole 21, and another both sides are provided with the second screwed hole 22, the first screwed hole 21
It is connected with fixture 1 by the first securing member 5, capacitor dielectric 3 sidewall offers two through hole, through hole and second
Screwed hole 22 is connected by the second securing member 4, and fixture 1 and capacitor dielectric 3 are in arranged in a crossed manner.First fastening
Part 5 is metal fastenings, and the second securing member 4 is insulated fasteners.
As shown in Figure 4, fixture 1 is U-shaped structure, this U-shaped inside configuration width and insulated support 2
Width is equal, and fixture 1 medial wall is provided with chamfering.
When the above-mentioned fixing device for cavity body filter cross coupling capacitor is installed, first by insulated support 2
It is fixed on the cavity wall of fixture 1 with metal fastenings 5, the insulation fastening of Kai Liangge hole, capacitor dielectric 3 two ends
Part 4 is fixed on insulated support 2, and two through hole adds the control to capacitor dielectric degree of freedom in the two directions,
Install simple and convenient and stability is strong.
Claims (5)
1. for a fixing device for cavity body filter cross coupling capacitor, for fixed capacity medium (3),
Including fixture (1) and insulated support (2), it is characterised in that described insulated support (2) is one square
Propping up bracer, its lateral symmetry is provided with the groove of the first screwed hole (21), and another both sides are provided with the second screwed hole (22),
Described first screwed hole (21) is connected with fixture (1) by the first securing member (5), described capacitor dielectric (3)
Offer two through hole, described through hole and the second screwed hole (22) on sidewall to be connected by the second securing member (4),
Described fixture (1) and capacitor dielectric (3) are in arranged in a crossed manner.
Fixing device for cavity body filter cross coupling capacitor the most according to claim 1, its feature
Being, described fixture (1) is U-shaped structure, this U-shaped inside configuration width and insulated support (2)
Width is equal.
Fixing device for cavity body filter cross coupling capacitor the most according to claim 1, its feature
Being, described first securing member (5) is metal fastenings.
Fixing device for cavity body filter cross coupling capacitor the most according to claim 1, its feature
Being, described second securing member (4) is insulated fasteners.
Fixing device for cavity body filter cross coupling capacitor the most according to claim 1, its feature
Being, described fixture (1) medial wall is provided with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347256.4A CN106329043A (en) | 2015-06-19 | 2015-06-19 | Fixing apparatus for crossed and coupled capacitor of cavity filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347256.4A CN106329043A (en) | 2015-06-19 | 2015-06-19 | Fixing apparatus for crossed and coupled capacitor of cavity filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106329043A true CN106329043A (en) | 2017-01-11 |
Family
ID=57727714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510347256.4A Withdrawn CN106329043A (en) | 2015-06-19 | 2015-06-19 | Fixing apparatus for crossed and coupled capacitor of cavity filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106329043A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361117A (en) * | 2011-09-29 | 2012-02-22 | 武汉虹信通信技术有限责任公司 | Capacitive cross coupling flying bar and coaxial cavity resonator thereof |
| CN102881970A (en) * | 2011-07-14 | 2013-01-16 | 凯镭思通讯设备（上海）有限公司 | Capacitive cross coupling device for coaxial cavity filter |
| CN102881964A (en) * | 2011-07-15 | 2013-01-16 | 凯镭思通讯设备（上海）有限公司 | Capacitive coupling device for waveguide filter |
| CN203277597U (en) * | 2013-02-19 | 2013-11-06 | 深圳市大富科技股份有限公司 | Cross-coupling device and cavity filter |
| CN204732506U (en) * | 2015-06-19 | 2015-10-28 | 凯镭思通讯设备（上海）有限公司 | For the fixture of cavity body filter cross coupling capacitor |
-
2015
- 2015-06-19 CN CN201510347256.4A patent/CN106329043A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881970A (en) * | 2011-07-14 | 2013-01-16 | 凯镭思通讯设备（上海）有限公司 | Capacitive cross coupling device for coaxial cavity filter |
| CN102881964A (en) * | 2011-07-15 | 2013-01-16 | 凯镭思通讯设备（上海）有限公司 | Capacitive coupling device for waveguide filter |
| CN102361117A (en) * | 2011-09-29 | 2012-02-22 | 武汉虹信通信技术有限责任公司 | Capacitive cross coupling flying bar and coaxial cavity resonator thereof |
| CN203277597U (en) * | 2013-02-19 | 2013-11-06 | 深圳市大富科技股份有限公司 | Cross-coupling device and cavity filter |
| CN204732506U (en) * | 2015-06-19 | 2015-10-28 | 凯镭思通讯设备（上海）有限公司 | For the fixture of cavity body filter cross coupling capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170111 |