CN206992277U - Squeezing-rivet type coaxial filter - Google Patents
Squeezing-rivet type coaxial filter Download PDFInfo
- Publication number
- CN206992277U CN206992277U CN201720578209.5U CN201720578209U CN206992277U CN 206992277 U CN206992277 U CN 206992277U CN 201720578209 U CN201720578209 U CN 201720578209U CN 206992277 U CN206992277 U CN 206992277U
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- Prior art keywords
- squeezing
- rivet type
- type coaxial
- resonator
- coaxial filter
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Abstract
The utility model provides a kind of squeezing-rivet type coaxial filter, it includes the resonator of cavity and cover plate composition, debugging screw rod is set on cover plate, resonant column in the cavity is provided with the unthreaded hole that presses, the squeezing-rivet type coaxial filter further comprises squeezing-rivet type coaxial resonator, and the squeezing-rivet type coaxial resonator is assembled in the unthreaded hole that presses by the mode of pressing.The utility model realizes the assembling of coaxial resonator and resonant column using squeezing-rivet type assembling, under the premise of realizing that performance indications are stable, reduces material variety and product overall mass, smallerization, lightweight, and Automated assembly is easily realized, reduces production cost.
Description
【Technical field】
Wireless communication field is the utility model is related to, more particularly, to a kind of squeezing-rivet type coaxial filter.
【Background technology】
Wave filter is usually used in Wireless Telecom Equipment, in a communications system, selection filtering is carried out to desired signal frequency.It is conventional
Filter construction be coaxial filter structure, be made up of cavity, debugging cover plate, coaxial resonator etc..Common coaxial filter
In, such as Fig. 1, acted between coaxial resonator 120 and cavity 110 through the pretightning force of lock-screw 130, realize coaxial resonator and chamber
Body resonant column 111 assembles, insertion debugging screw rod 150 on cover plate 140, and by debugging the regulation of nut 160 and locking.This kind assembles
In use, wave filter is influenceed mode by work high-low temperature difference, and the pretightning force of lock-screw 130 can change, coaxial humorous
Shake device 120 and the contact surface loose contact of resonant column 111, directly affect the performance of product.The screwed hole of resonant column 111 it is high-quality
Amount requires, increases the processing technology requirement of cavity.The use of screw, also cause product in process of production, increase material variety
And product weight.
Therefore it provides a kind of miniaturization, lightweight, assembling easily, production cost it is low wave filter it is actually necessary.
【Utility model content】
The purpose of this utility model is to provide a kind of miniaturization, lightweight, the squeezing-rivet type that assembling is easy, production cost is low
Coaxial filter.
To realize the utility model purpose, there is provided following technical scheme：
The utility model provides a kind of squeezing-rivet type coaxial filter, and it includes the resonator of cavity and cover plate composition, cover plate
Upper set debugs screw rod, and the resonant column in the cavity is provided with the unthreaded hole that presses, and the squeezing-rivet type coaxial filter further comprises pressing
Riveting formula coaxial resonator, the squeezing-rivet type coaxial resonator are assembled in the unthreaded hole that presses by the mode of pressing.
The utility model realizes the assembling of coaxial resonator and resonant column using squeezing-rivet type assembling, is realizing that performance indications are steady
Under the premise of fixed, reduce material variety and product overall mass, smallerization, lightweight, Automated assembly is easily realized, is reduced
Production cost.
Preferably, the squeezing-rivet type coaxial resonator bottom is sequentially provided with pressure column, flash groove and lead, and lead is set
In lowermost end, flash groove is arranged between pressure column and lead.
Preferably, the guiding column dimension is less than pressure column dimension.
Preferably, the flash groove is the annular groove being arranged between pressure column and lead.
Preferably, the debugging screw rod is installed on cover plate by debugging nut.
Prior art is contrasted, the utility model has advantages below：
The utility model realizes the assembling of coaxial resonator and resonant column using squeezing-rivet type assembling, is realizing that performance indications are steady
Under the premise of fixed, reduce material variety and product overall mass, smallerization, lightweight, Automated assembly is easily realized, is reduced
Production cost.
【Brief description of the drawings】
Fig. 1 is prior art coaxial filter sectional view；
Fig. 2 is the utility model squeezing-rivet type coaxial resonator and the sectional view before resonant column assembling；
Fig. 3 is the sectional view of overall wave filter after the utility model assembling.
【Embodiment】
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clear, complete description, described embodiment are only part of the embodiment of the present utility model, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 2 and Fig. 3 are referred to, this practicality newly provides a kind of squeezing-rivet type coaxial filter, and it includes cavity 210 and cover plate
The resonators of 230 compositions, debugging screw rod 250, debugging nut 260 are set, and the debugging screw rod 250 is by debugging spiral shell on cover plate 230
Mother 260 is installed on cover plate 230.
Resonant column 220 in the cavity is provided with the unthreaded hole 221 that presses, and the squeezing-rivet type coaxial filter further comprises pressing
Formula coaxial resonator 240, the squeezing-rivet type coaxial resonator bottom are sequentially provided with pressure column 241, flash groove 242 and lead 243,
Lead 243 is arranged on lowermost end, and flash groove 242 is the annular groove being arranged between pressure column 241 and lead 243.The guiding
The size of post 243 is less than the size of pressure column 241.The squeezing-rivet type coaxial resonator is assembled to the unthreaded hole that presses by the mode of pressing
In 221.
Such as Fig. 2, squeezing-rivet type coaxial resonator 240 assembled by end lead 243 before guide-localization, by automatic
Change the equipment that presses and apply active force, squeezing-rivet type coaxial resonator 240 and cavity 210 are subjected to the assembling that presses.
Such as Fig. 3, during pressing, resonant column 220 is acted on by the pressure of resonator pressure column 241, good using cavity material
Good ductility, the material at the place of being stressed are extruded into the flash groove 242 of squeezing-rivet type coaxial resonator, until squeezing-rivet type is coaxial
The ground plane of resonator 240 is in close contact with the mounting surface of resonant column 220.The assembly method can make full use of automation equipment,
The effective coaxial assembling for realizing cavity and squeezing-rivet type coaxial resonator, ensure assembling uniformity.Resonator contacts with resonant column
Face is in close contact, and is ensured the uniformity of performance of filter, is effectively realized the indices of wave filter and its stability of work.
Squeezing-rivet type coaxial filter provided by the utility model, contrasted with conventional filter construction, reduce resonator lock
The use of tight screw, easily realizes Automated assembly, effectively reduces production cost.The uniformity of assembling ensures that coaxial resonator connects
Ground and the close contact of resonant column mounting surface, it is effective to ensure resonator ground connection property, preferably realize that the items of wave filter refer to
Mark and its job stability.
Preferred embodiment of the present utility model is the foregoing is only, the scope of protection of the utility model is not limited thereto,
Any equivalent transformation based in technical solutions of the utility model is belonged within scope of protection of the utility model.
Claims (5)
1. a kind of squeezing-rivet type coaxial filter, it includes the resonator of cavity and cover plate composition, debugging screw rod is set on cover plate, its
It is characterised by, the resonant column in the cavity is provided with the unthreaded hole that presses, and the squeezing-rivet type coaxial filter further comprises that squeezing-rivet type is same
Axle resonator, the squeezing-rivet type coaxial resonator are assembled in the unthreaded hole that presses by the mode of pressing.
2. squeezing-rivet type coaxial filter as claimed in claim 1, it is characterised in that the squeezing-rivet type coaxial resonator bottom is successively
Provided with pressure column, flash groove and lead, lead is arranged on lowermost end, and flash groove is arranged between pressure column and lead.
3. squeezing-rivet type coaxial filter as claimed in claim 2, it is characterised in that the guiding column dimension is less than pressure column chi
It is very little.
4. squeezing-rivet type coaxial filter as claimed in claim 3, it is characterised in that the flash groove is to be arranged on pressure column and lead
To the annular groove between post.
5. squeezing-rivet type coaxial filter as claimed in claim 4, it is characterised in that the debugging screw rod is installed by debugging nut
In on cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578209.5U CN206992277U (en) | 2017-05-23 | 2017-05-23 | Squeezing-rivet type coaxial filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578209.5U CN206992277U (en) | 2017-05-23 | 2017-05-23 | Squeezing-rivet type coaxial filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206992277U true CN206992277U (en) | 2018-02-09 |
Family
ID=61389187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720578209.5U Active CN206992277U (en) | 2017-05-23 | 2017-05-23 | Squeezing-rivet type coaxial filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206992277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571504A (en) * | 2019-09-30 | 2019-12-13 | 吕传明 | assembly method of filter resonant cavity combined structure for communication base station |
-
2017
- 2017-05-23 CN CN201720578209.5U patent/CN206992277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571504A (en) * | 2019-09-30 | 2019-12-13 | 吕传明 | assembly method of filter resonant cavity combined structure for communication base station |
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