CN203503769U - Cross-coupling assembly and coaxial-cavity passive device - Google Patents
Cross-coupling assembly and coaxial-cavity passive device Download PDFInfo
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- CN203503769U CN203503769U CN201320631097.7U CN201320631097U CN203503769U CN 203503769 U CN203503769 U CN 203503769U CN 201320631097 U CN201320631097 U CN 201320631097U CN 203503769 U CN203503769 U CN 203503769U
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- cross
- screw rod
- medium screw
- cavity
- support bar
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- 238000006880 cross-coupling reaction Methods 0.000 title claims abstract description 45
- 208000002925 dental caries Diseases 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004697 Polyetherimide Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229920001601 polyetherimide Polymers 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model discloses a cross-coupling assembly and a coaxial-cavity passive device. The cross-coupling assembly comprises a supporting rod, a medium screw rod arranged in the middle of the supporting rod and two leads respectively arranged at two ends in the lengthwise direction of the supporting rod. The cross-coupling assembly is characterized in that the outer circumferential surface of the top of the medium screw rod forms outer thread; the end surface of the top of the medium screw rod is provided with a groove; two ends in the lengthwise direction of the supporting rod are provided with lead mounting holes; and two leads are respectively placed in the corresponding lead mounting holes. According to the cross-coupling assembly, under the condition of not opening the cover plate of the cavity body, the medium screw rod is rotated by using a tool such as a screwdriver or a spanner to drive the leads to move in a resonant cavity, and then the cross coupling amount is changed. The cross-coupling assembly has the advantages of convenient adjustment, simple structure, stable and convenient installation, little cost, and high production efficiency.
Description
[technical field]
The utility model relates to radio frequency passive device field, specifically relates to a kind of cross-couplings assembly and a kind of coaxial cavity passive device.
[background technology]
Along with the development of mobile communication technology, the frequency range that each communication system is used is more and more, and the interval between frequency range is also more and more nearer, so need radio-frequency devices to have very high Out-of-band rejection to adjacent frequency range.Realizing very high Out-of-band rejection, conventionally must between non-adjacent resonant cavity, introduce cross-couplings. conventional cross-couplings mode is that a coupling bar is set between two non-conterminous resonant cavitys at present.In the batch production process of product, due to mismachining tolerance and the rigging error of part, cause repeatedly opening cover plate, revise the length of coupling bar and optimize index.Because each modification all will be taken cover plate apart, make debugging optimization need a lot of time, also increased the difficulty of debugging simultaneously, be unfavorable for the batch production of product.
[utility model content]
The purpose of this utility model is to provide a kind of can, in the situation that not taking cover plate apart, adjust the cross-couplings assembly of the cross-couplings amount between resonant cavity.
For realizing this object, the utility model adopts following technical scheme:
A kind of cross-couplings assembly, comprise support bar, be arranged on the medium screw rod at described support bar middle part and be separately positioned on two wires at described support bar longitudinally two ends, on the external peripheral surface at the top of described medium screw rod, form external screw thread, and offer groove on the end face at the top of described medium screw rod, described support bar longitudinally two ends all offer wire installing hole, and described two wires are arranged at respectively in corresponding wire installing hole.
Preferably, described cross-couplings assembly also comprises medium screw, and the bottom of described medium screw rod is connected to the middle part of described support bar by described medium screw.
Preferably, described medium screw rod and described medium screw are one-body molded.
Preferably, described support bar and wire are made by metal material, and described two wires are welded on respectively in the respective wire installing hole at described support bar longitudinally two ends.
Preferably, described metal material is copper material.
Preferably, described medium screw rod and described medium screw are made by nonmetallic materials.
Preferably, described nonmetallic materials are Polyetherimide.
The utility model also provides a kind of coaxial cavity passive device, comprise that above-mentioned cross-couplings assembly, nut, two have the cavity of resonant cavity, are located at two resonant columns in two cavitys and are located at the cover plate at the top of cavity respectively, between described two cavitys with resonant cavity, be provided with mounting groove; The cross-couplings assembly that assembling is completed is put into the mounting groove between two resonant cavitys of cavity, and the top of medium screw rod is through cover plate, and uses fastening nuts.
Preferably, described coaxial cavity passive device is coaxial cavity filter.
Compared with prior art, cross-couplings assembly of the present utility model possesses following advantage:
1, debugging is convenient, in debug process, and without taking cover plate apart, only need be with instrument turn medium screw rods such as screwdriver or spanners, adjustable cross-linked size, has improved production efficiency greatly.
2, highly versatile, for the different passive device of cross-couplings amount demand, by the wire of welding different size, different materials.
3, overall structure is simple, and part is few, easy for installation firm, is applicable to producing in enormous quantities.
[accompanying drawing explanation]
Fig. 1 is the structural representation of cross-couplings assembly of the present utility model;
Fig. 2 is that cross-couplings assembly of the present utility model is arranged on the cutaway view in coaxial cavity;
Fig. 3 is that cross-couplings assembly of the present utility model is arranged on the vertical view in coaxial cavity.
[embodiment]
Below in conjunction with accompanying drawing and exemplary embodiment, the utility model is further described, wherein in accompanying drawing, identical label all refers to identical parts.In addition, if the detailed description of known technology is unnecessary for feature of the present utility model is shown, by its omission.
As Figure 1-3, a kind of cross-couplings assembly, comprises support bar 3, is arranged on the medium screw rod 2 at described support bar 3 middle parts and is separately positioned on two wires 5 at described support bar 3 longitudinally two ends.
Described medium screw rod 2 is made by Polyetherimide, on the external peripheral surface at its top, form external screw thread, and on the end face at the top of described medium screw rod 2, offer for regulating the yi word pattern groove of cross-couplings amount, be used for by carrying out rotating media screw rod 2 with instruments such as screwdrivers, to regulate cross-couplings amount.In other embodiments, the groove that the top of medium screw rod 2 is offered can be other grooves such as cross or interior hexangle type, for by carry out rotating media screw rod 2 with instruments such as screwdriver, spanners, to regulate cross-couplings amount.
Described support bar 3 is made by copper material, and its two ends along longitudinally all offer the wire installing hole matching with wire 5.Described wire 5 is made by copper material, and two wires 5 insert respectively in the support bar 3 corresponding wire installing holes in longitudinally two ends, and weld together with support bar 3.
Cross-couplings assembly of the present utility model also comprises medium screw 4, and described medium screw 4 is made by Polyetherimide.The bottom of described medium screw rod 2 is connected in the middle part of described support bar 3 by medium screw 4.In other embodiments, described medium screw also can be one-body molded with described medium screw rod.
In other embodiments, described medium screw and described medium screw rod can also be made by other nonmetallic materials; Described support bar 3 and wire 5 also can be made by other metal materials.
The utility model also provides a kind of coaxial cavity passive device with cross-couplings assembly, coaxial cavity filter for example, comprise above-mentioned cross-couplings assembly, nut 1, two there is the cavity 8 of resonant cavity, be located at two resonant columns 7 in two cavitys 8 and be located at the cover plate 6 at the top of cavity 8 respectively, between described two cavitys 8 with resonant cavity, be provided with mounting groove.Whole mounted cross-couplings assembly is put into the mounting groove between two resonant cavitys of cavity 8, the top of medium screw rod 2 is through cover plate 6, and is fastened on described cover plate 6 with nut 1.
When regulating cross-couplings amount, by unscrewing nut 1, with screwdriver or spanner rotating media screw rod 2, described medium screw rod 2 drives wire 5 to rotate in the resonant cavity of cavity 8, change the distance between wire 5 and resonant column 7, thereby change the cross-couplings amount between two resonant cavitys.When medium screw rod 2, be transferred to behind suitable position, when cross-couplings amount meets the requirements, screw nut 1.
Compared with prior art, cross-couplings assembly of the present utility model possesses following advantage:
1, debugging is convenient, in debug process, and without taking cover plate apart, only need be with instrument turn medium screw rods such as screwdriver or spanners, adjustable cross-linked size, has improved production efficiency greatly.
2, highly versatile, for the different passive device of cross-couplings amount demand, by the wire of welding different size, different materials.
3, overall structure is simple, and part is few, easy for installation firm, is applicable to producing in enormous quantities.
Although shown exemplary embodiments more of the present utility model above, but it should be appreciated by those skilled in the art that, in the situation that not departing from principle of the present utility model or spirit, can make a change these exemplary embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (9)
1. a cross-couplings assembly, comprise support bar, be arranged on the medium screw rod at described support bar middle part and be separately positioned on two wires at described support bar longitudinally two ends, it is characterized in that, on the external peripheral surface at the top of described medium screw rod, form external screw thread, and offer groove on the end face at the top of described medium screw rod, described support bar longitudinally two ends all offer wire installing hole, and described two wires are arranged at respectively in corresponding wire installing hole.
2. cross-couplings assembly according to claim 1, is characterized in that, described cross-couplings assembly also comprises medium screw, and the bottom of described medium screw rod is connected to the middle part of described support bar by described medium screw.
3. cross-couplings assembly according to claim 2, is characterized in that, described medium screw rod and described medium screw are one-body molded.
4. according to the cross-couplings assembly described in claim 1 or 2 or 3, it is characterized in that, described support bar and wire are made by metal material, and described two wires are welded on respectively in the respective wire installing hole at described support bar longitudinally two ends.
5. cross-couplings assembly according to claim 4, is characterized in that, described metal material is copper material.
6. cross-couplings assembly according to claim 2, is characterized in that, described medium screw rod and described medium screw are made by nonmetallic materials.
7. cross-couplings assembly according to claim 6, is characterized in that, described nonmetallic materials are Polyetherimide.
8. a coaxial cavity passive device, it is characterized in that: comprise that cross-couplings assembly described in claim 1,2,3,5,6 or 7 any one, nut, two have the cavity of resonant cavity, are located at two resonant columns in two cavitys and are located at the cover plate at the top of cavity respectively, between described two cavitys with resonant cavity, be provided with mounting groove; Described cross-couplings assembly is put into the mounting groove between two resonant cavitys of cavity, and the top of medium screw rod is through cover plate, and uses fastening nuts.
9. coaxial cavity passive device according to claim 8, is characterized in that, described coaxial cavity passive device is coaxial cavity filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631097.7U CN203503769U (en) | 2013-10-12 | 2013-10-12 | Cross-coupling assembly and coaxial-cavity passive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631097.7U CN203503769U (en) | 2013-10-12 | 2013-10-12 | Cross-coupling assembly and coaxial-cavity passive device |
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| Publication Number | Publication Date |
|---|---|
| CN203503769U true CN203503769U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320631097.7U Expired - Lifetime CN203503769U (en) | 2013-10-12 | 2013-10-12 | Cross-coupling assembly and coaxial-cavity passive device |
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| CN (1) | CN203503769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207339A (en) * | 2016-08-31 | 2016-12-07 | 安徽赛福电子有限公司 | A kind of coupling filter |
| WO2018137315A1 (en) * | 2017-01-26 | 2018-08-02 | 深圳市国人射频通信有限公司 | Tunable capacitive cross-coupling structure and cavity filter |
-
2013
- 2013-10-12 CN CN201320631097.7U patent/CN203503769U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207339A (en) * | 2016-08-31 | 2016-12-07 | 安徽赛福电子有限公司 | A kind of coupling filter |
| WO2018137315A1 (en) * | 2017-01-26 | 2018-08-02 | 深圳市国人射频通信有限公司 | Tunable capacitive cross-coupling structure and cavity filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180316 Address after: 510663 Guangdong city of Guangzhou Province Economic and Technological Development Zone Jinbi Road No. 6 Patentee after: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200116 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |