CN204538163U - Cavity body filter and connector thereof - Google Patents
Cavity body filter and connector thereof Download PDFInfo
- Publication number
- CN204538163U CN204538163U CN201420872717.0U CN201420872717U CN204538163U CN 204538163 U CN204538163 U CN 204538163U CN 201420872717 U CN201420872717 U CN 201420872717U CN 204538163 U CN204538163 U CN 204538163U
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- coaxial cable
- weld part
- connector
- connecting portion
- earthing block
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Abstract
The utility model discloses a kind of cavity body filter and connector thereof, this connector comprises coaxial cable, earthing block and securing member, and flange portion, connecting portion and weld part are one-body molded; The central authorities of earthing block are provided with the through hole of grafting coaxial cable, and the periphery of earthing block is provided with flange portion, connecting portion and weld part vertically successively, and earthing block is fixedly connected with coaxial cable by weld part; The tubular that securing member is one end open, one end is closed, its openend is fixedly connected with connecting portion, and its closed end is provided with the via hole passed for coaxial cable, interference fits between coaxial cable and via hole.Pass through such scheme, the beneficial effects of the utility model are: cavity body filter of the present utility model and connector thereof are coordinated by earthing block and securing member, ensure that the Stability Analysis of Structures of weld, reduce the risk of intermodulation instability, intermodulation saltus step can be effectively reduced, improve intermodulation stability, improve the intermodulation percent of pass of product.
Description
Technical field
The utility model relates to cavity body filter field, particularly relates to a kind of cavity body filter and connector thereof.
Background technology
In cavity body filter, need to use coaxial cable to connect the parts of inside or outside.But in the prior art, consult Fig. 1, connector comprises earthing block 11, coaxial cable 12 and heat-shrinkable T bush 13.Coaxial cable 12 is arranged in earthing block 11, and welds, and forms solder joint 14.Heat-shrinkable T bush 13 is sheathed on the junction of earthing block 11 and coaxial cable 12, thus by fastening to coaxial cable 12 and earthing block 11.Finally, then by the cavity of earthing block 11 with cavity body filter be fixed.But this kind of fixed form makes coaxial cable 12 when there is deformation by External force interference, and stress point mainly acts on solder joint 14 position, thus causes the structural instability at solder joint place to cause intermodulation jump problem, makes product intermodulation percent of pass low, and intermodulation is unstable.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of cavity body filter and connector thereof, can solve that the bond pad locations of existing cavity body filter standard coaxial cable and earthing block is stressed causes intermodulation saltus step.Thus make the problem that product intermodulation percent of pass is low, intermodulation is unstable.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of connector, comprise coaxial cable, earthing block and securing member; The central authorities of earthing block are provided with the through hole of grafting coaxial cable, and the periphery of earthing block is provided with flange portion, connecting portion and weld part vertically successively, and flange portion, connecting portion and weld part are one-body molded, and earthing block is fixedly connected with coaxial cable by weld part; The tubular that securing member is one end open, one end is closed, its openend is fixedly connected with connecting portion, and its closed end is provided with the via hole passed for coaxial cable, interference fits between coaxial cable and via hole.
Wherein, have gap between weld part and coaxial cable, solder flux pours into gap between weld part and coaxial cable from weld part away from one end of connecting portion.
Wherein, weld part is provided with guiding groove away from the end face of connecting portion one end, and guiding groove is frusto-conical, and guiding groove guiding solder flux pours into the gap between weld part and coaxial cable.
Wherein, the periphery of weld part is provided with the monitoring holes being radially communicated with through hole, and whether monitoring holes is full of gap between weld part and coaxial cable for observing solder flux.
Wherein, monitoring holes has 2 two at least, and the circumferencial direction along weld part distributes.
Wherein, flange portion is provided with the screw hole extended vertically, and earthing block is fixed on cavity by the screw through screw hole.
Wherein, coaxial cable comprises and comprise inner sandwich layer, insulating barrier, outer shell successively outside interior, and through hole is stepped, and the end face of outer shell is connected on the cascaded surface of through hole.
Wherein, the inwall of fastener openings end is provided with internal thread, and the periphery of connecting portion is provided with external screw thread adaptive with it.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: provide a kind of cavity body filter, and comprise cavity and the connector being fixed on cavity wall, this connector is the connector described in above-mentioned any one.
Pass through such scheme, the beneficial effects of the utility model are: cavity body filter of the present utility model and connector thereof are coordinated by earthing block and securing member, move after making the stress point of coaxial cable, make main stress point away from pad, ensure that the Stability Analysis of Structures of weld, reduce the risk of intermodulation instability, intermodulation saltus step can be effectively reduced, improve intermodulation stability, improve the intermodulation percent of pass of product.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of the connector of prior art;
Fig. 2 is the schematic cross-section of the connector of a preferred embodiment of the present utility model;
Fig. 3 is the schematic side view of the earthing block in Fig. 2;
Fig. 4 is the schematic top plan view of the earthing block in Fig. 2.
Embodiment
Below by accompanying drawing and embodiment, the utility model is described in detail.
Consult Fig. 2, Fig. 2 is the schematic cross-section of the connector of a preferred embodiment of the present utility model.In the present embodiment, connector 2 comprises earthing block 21, coaxial cable 22 and securing member 23.
Consult Fig. 3 and Fig. 4 further, Fig. 3 is the schematic side view of the earthing block in Fig. 2, and Fig. 4 is the schematic top plan view of the earthing block in Fig. 2.The central authorities of earthing block 21 are provided with the through hole 219 of grafting coaxial cable 22.The periphery of earthing block 21 is provided with flange portion 211, connecting portion 212 and weld part 213 vertically successively.The adpting flange portion, one end 211 of connecting portion 212, other end connecting welding portion 213.Through hole 219 runs through flange portion 211, connecting portion 212 and weld part 213.Flange portion 211 is provided with the screw hole 216 extended vertically, and earthing block 21 is by being fixed on the cavity of cavity body filter through the screw of screw hole 216.Have gap between weld part 213 and coaxial cable 22, solder flux pours into gap between weld part 213 and coaxial cable 22 from weld part 213 away from one end of connecting portion 212.Weld part 213 is provided with guiding groove 215 away from the end face of connecting portion 212 one end.In a preferred embodiment, guiding groove 215 is in frusto-conical.Guiding groove 215 guides solder flux to pour into gap between weld part 213 and coaxial cable 22.Preferably, guiding groove 215 is provided with multiple, and multiple guiding groove 215 is uniformly distributed along the circumference of weld part 213.The periphery of weld part 213 is provided with the monitoring holes 214 being radially communicated with through hole 219, and whether monitoring holes 214 is full of gap between weld part 213 and coaxial cable 22 for observing solder flux.Monitoring holes 214 has 2 two at least, and the circumferencial direction along weld part 213 distributes, and observes to facilitate.
In the present embodiment, flange portion 211, connecting portion 212 and weld part 213 are formed in one.And in other embodiments, flange portion 211, connecting portion 212 and weld part 213 link into an integrated entity by other modes, such as weld, threaded engagement or paste, but need to ensure, run through flange portion 211, connecting portion 212 and the axle of the through hole 219 of weld part 213 and be straight line and vertical with the circumferential cross-section of weld part 213 with flange portion 211, connecting portion 212.
The tubular that securing member 23 is one end open, one end is closed, its openend is fixedly connected with in connecting portion 212, and its closed end is provided with the via hole 231 passed for coaxial cable 22.In addition, the inwall of securing member 23 openend is provided with internal thread, and the periphery of connecting portion 212 is provided with external screw thread adaptive with it, for being threaded between securing member 23 with connecting portion 212.Preferably, securing member 23 is nut, and in order to easy for installation, the best is hex nut.
Coaxial cable 22 comprises and comprise inner sandwich layer 221, insulating barrier 222, outer shell 223 successively outside interior.In the present embodiment, through hole 219 is stepped, and the end face of outer shell 223 is connected on the cascaded surface of through hole 219.
When mounted, first coaxial cable 22 is passed securing member 23, and then pass the through hole 219 of earthing block 21.After on the cascaded surface that the end face of the outer shell 223 of coaxial cable 22 is connected to through hole 219, coaxial cable 22 is welded with the weld part 213 of earthing block 21.Solder flux pours into gap between weld part 213 and coaxial cable 22 from weld part 213 away from one end of connecting portion 212, and guiding groove 215 pairs of solder flux guide.After observing by monitoring holes 214 gap that solder flux has been full of between weld part 213 and coaxial cable 22, welding terminates.Finally, securing member 23 be connected with earthing block 21 and fix, just completing whole installation process.
By the way, the weld part of earthing block is arranged in securing member, the position that blind end and the interference fit between coaxial cable of securing member make the stress point of coaxial cable become coaxial cable to contact with the blind end of securing member.Therefore, the weld part of earthing block and the pad place of coaxial cable obtain protection.
Certainly, this connector also can be used for other to be needed to carry out the fixing place of coaxial cable, only needs fixed head to be fixed on assigned address.
In addition, in order to strengthen securing member 23 and the durability of earthing block 21, water-tight corrosion-proof layer can be coated with at securing member 23 and the surface of earthing block 21, to increase the life-span of securing member 23 and earthing block 21.
The utility model provides a kind of cavity body filter further, and this cavity body filter comprises cavity and is fixed on the connector of cavity wall.This connector is such as the connector described in above-described embodiment.
Pass through such scheme, the beneficial effects of the utility model are: cavity body filter of the present utility model and connector thereof are coordinated by earthing block and securing member, move after making the stress point of coaxial cable, make main stress point away from pad, ensure that the Stability Analysis of Structures of weld, reduce the risk of intermodulation instability, intermodulation saltus step can be effectively reduced, improve intermodulation stability, improve the intermodulation percent of pass of product.
These are only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a connector, is characterized in that, comprises coaxial cable, earthing block and securing member;
The central authorities of described earthing block are provided with the through hole of coaxial cable described in grafting, the periphery of described earthing block is provided with flange portion, connecting portion and weld part vertically successively, described flange portion, connecting portion and weld part are one-body molded, and described earthing block is fixedly connected with described coaxial cable by described weld part;
The tubular that described securing member is one end open, one end is closed, its openend is fixedly connected with described connecting portion, and its closed end is provided with the via hole passed for described coaxial cable, interference fits between described coaxial cable and described via hole.
2. connector according to claim 1, is characterized in that, has gap between described weld part and described coaxial cable, and solder flux pours into gap between described weld part and described coaxial cable from described weld part away from one end of described connecting portion.
3. connector according to claim 2, it is characterized in that, described weld part is provided with guiding groove away from the end face of described connecting portion one end, and described guiding groove is frusto-conical, and described guiding groove guides described solder flux to pour into gap between described weld part and described coaxial cable.
4. connector according to claim 2, is characterized in that, the periphery of described weld part is provided with the monitoring holes being radially communicated with described through hole, and whether described monitoring holes is full of gap between weld part and described coaxial cable for observing solder flux.
5. connector according to claim 4, is characterized in that, described monitoring holes has 2 two at least, and the circumferencial direction along weld part distributes.
6. the connector according to claim 1 to 5 any one, is characterized in that, described flange portion is provided with the screw hole extended vertically, and described earthing block is by being fixed on cavity through the screw of described screw hole.
7. the connector according to claim 1 to 5 any one, it is characterized in that, described coaxial cable comprises and comprise inner sandwich layer, insulating barrier, outer shell successively outside interior, and described through hole is stepped, and the end face of described outer shell is connected on the cascaded surface of described through hole.
8. the connector according to claim 1 to 5 any one, is characterized in that, the inwall of described fastener openings end is provided with internal thread, and the periphery of described connecting portion is provided with external screw thread adaptive with it.
9. a cavity body filter, comprise cavity and the connector being fixed on cavity wall, it is characterized in that, described connector is the connector described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872717.0U CN204538163U (en) | 2014-12-31 | 2014-12-31 | Cavity body filter and connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872717.0U CN204538163U (en) | 2014-12-31 | 2014-12-31 | Cavity body filter and connector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204538163U true CN204538163U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420872717.0U Active CN204538163U (en) | 2014-12-31 | 2014-12-31 | Cavity body filter and connector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204538163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016106637A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Cavity filter and connector thereof |
| CN107425260A (en) * | 2017-04-17 | 2017-12-01 | 上海安费诺永亿通讯电子有限公司 | A kind of line style metal antenna |
-
2014
- 2014-12-31 CN CN201420872717.0U patent/CN204538163U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016106637A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Cavity filter and connector thereof |
| CN107004930A (en) * | 2014-12-31 | 2017-08-01 | 深圳市大富科技股份有限公司 | Cavity body filter and its connector |
| CN107004930B (en) * | 2014-12-31 | 2019-09-06 | 深圳市大富科技股份有限公司 | Cavity body filter and its connector |
| CN107425260A (en) * | 2017-04-17 | 2017-12-01 | 上海安费诺永亿通讯电子有限公司 | A kind of line style metal antenna |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |