CN107112652B - Cavity body filter and its connector - Google Patents
Cavity body filter and its connector Download PDFInfo
- Publication number
- CN107112652B CN107112652B CN201480084412.6A CN201480084412A CN107112652B CN 107112652 B CN107112652 B CN 107112652B CN 201480084412 A CN201480084412 A CN 201480084412A CN 107112652 B CN107112652 B CN 107112652B
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- CN
- China
- Prior art keywords
- coaxial cable
- weld part
- earthing block
- hole
- connector
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of cavity body filter and its co-axial cable components, the co-axial cable component includes earthing block, coaxial cable and rigid external member, earthing block includes fixed plate and the fixed column that is set on fixed plate side, earthing block is provided with the through-hole through fixed plate and fixed column along the axis direction of fixed column, coaxial cable is arranged in through-hole and fixes with earthing block, rigid external member is sheathed in fixed column, rigid external member is fixed close to the first end of fixed plate with fixed column, rigid external member is provided with closing in far from the second end of fixed plate, and tighten the free end of fixed column, and then stress point can be formed on coax.Through the above way, cavity body filter and its connector of the invention is by moving back pad, and the cooperation of earthing block and fastener, so that the stress point of coaxial cable is far from pad, the stable structure that ensure that weld reduces the unstable risk of intermodulation, can effectively reduce intermodulation jump, intermodulation stability is improved, the intermodulation percent of pass of product is improved.
Description
Technical field
The present invention relates to cavity body filter fields, more particularly to a kind of cavity body filter and its connector.
Background technique
In cavity body filter, need to connect internal or external component using coaxial cable.But in the prior art,
Refering to fig. 1, co-axial cable component includes earthing block 11, coaxial cable 12 and heat-shrinkable T bush 13.Coaxial cable 12, which is arranged in, to be connect
It in plot 11, and is welded, forms solder joint 14.Heat-shrinkable T bush 13 is sheathed on the junction of earthing block 11 Yu coaxial cable 12,
To which coaxial cable 12 and earthing block 11 be fastened.Finally, earthing block 11 and the cavity of cavity body filter are fixed again.But
Such fixed form makes coaxial cable 12 by External force interference and when deformation occurs, and stress point mainly acts on solder joint 14
It sets, causes intermodulation jump problem so as to cause the structural instability at solder joint, so that product intermodulation percent of pass is low, intermodulation is unstable
It is fixed.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of cavity body filter and its connectors, are able to solve existing
The bond pad locations stress of cavity body filter standard coaxial cable and earthing block causes intermodulation to jump.So that product intermodulation percent of pass
Problem low, intermodulation is unstable.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of coaxial connector is provided, including
Coaxial cable, earthing block and fastener;The center of earthing block is equipped with the through-hole of grafting coaxial cable, and the outer periphery of earthing block is axial
It successively include weld part, flange portion, interconnecting piece and clamping part, earthing block is fixedly connected by weld part with coaxial cable, coaxially
Cable and weld part pass through welded connecting;One end of fastener is arranged and is fixed on interconnecting piece, and the other end is arranged on the holder portion,
Apply chucking power radially inward to coaxial cable by clamping part.
Wherein, there is gap, solder flux pours into weldering far from one end of flange portion from weld part between weld part and coaxial cable
Gap between socket part and coaxial cable.
Wherein, weld part is equipped with guiding groove far from the end face of flange portion one end, and guiding groove is in frusto-conical, and guiding groove draws
It leads solder flux and pours into the gap between weld part and coaxial cable.
Wherein, the periphery of weld part is equipped with the monitoring holes for being radially connected to through-hole, and monitoring holes are for observing whether solder flux fills
It is fully welded the gap between socket part and coaxial cable.
Wherein, monitoring holes at least 2 two, the circumferencial direction along weld part are distributed.
Wherein, flange portion is equipped with the screw hole axially extended, and earthing block is fixed on by passing through the screw of screw hole
On cavity.
Wherein, coaxial cable is by including successively inner sandwich layer, insulating layer, outer shell except interior, and through-hole is stepped, outer shell
End face be connected on the cascaded surface of through-hole.
Wherein, the inner wall of fastener one end is equipped with internal screw thread, and interconnecting piece periphery is equipped with the external screw thread being adapted to therewith.
Wherein, clamping part is in frusto-conical, the inner wall of the fastener other end and the outer wall shape adaptation of clamping part, clamping
The periphery in portion is equipped with the grooving axially extended, and grooving extends radially through clamping part.
In order to solve the above technical problems, another technical solution used in the present invention is: providing a kind of cavity body filter, wrap
Cavity and the connector for being fixed on cavity wall are included, which includes coaxial cable, earthing block and fastener;In earthing block
Centre is equipped with the through-hole of grafting coaxial cable, and the axial outer periphery of earthing block successively includes weld part, flange portion, interconnecting piece and clamping
Portion, earthing block are fixed on the side wall of cavity by flange portion, and earthing block is fixedly connected by weld part with coaxial cable, coaxial electrical
Cable and weld part pass through welded connecting;One end of fastener is arranged and is fixed on interconnecting piece, and the other end is arranged on the holder portion, leads to
Cross the chucking power of clamping part radially inward to coaxial cable application.
Wherein, there is gap, solder flux pours into weldering far from one end of flange portion from weld part between weld part and coaxial cable
Gap between socket part and coaxial cable.
Wherein, weld part is equipped with guiding groove far from the end face of flange portion one end, and guiding groove is in frusto-conical, and guiding groove draws
It leads solder flux and pours into the gap between weld part and coaxial cable.
Wherein, the periphery of weld part is equipped with the monitoring holes for being radially connected to through-hole, and monitoring holes are for observing whether solder flux fills
It is fully welded the gap between socket part and coaxial cable.
Wherein, monitoring holes at least 2 two, the circumferencial direction along weld part are distributed.
Wherein, flange portion is equipped with the screw hole axially extended, and earthing block is fixed on by passing through the screw of screw hole
On cavity.
Wherein, coaxial cable is by including successively inner sandwich layer, insulating layer, outer shell except interior, and through-hole is stepped, outer shell
End face be connected on the cascaded surface of through-hole.
Wherein, the inner wall of fastener one end is equipped with internal screw thread, and interconnecting piece periphery is equipped with the external screw thread being adapted to therewith.
Wherein, clamping part is in frusto-conical, the inner wall of the fastener other end and the outer wall shape adaptation of clamping part, clamping
The periphery in portion is equipped with the grooving axially extended, and grooving extends radially through clamping part.
Through the above scheme, the beneficial effects of the present invention are: cavity body filter and its connector of the invention will be by that will weld
Contact moves back and the cooperation of earthing block and fastener, so that the stress point of coaxial cable ensure that weld far from pad
Stable structure, reduce the unstable risk of intermodulation, can effectively reduce intermodulation jump, improve intermodulation stability, improve
The intermodulation percent of pass of product.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the co-axial cable component of the prior art;
Fig. 2 is the schematic cross-section of the co-axial cable component of a preferred embodiment of the present invention;
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.
Specific embodiment
Below by attached drawing, the present invention will be described in detail with embodiment.
Referring to Fig.2, Fig. 2 is the schematic cross-section of the connector of a preferred embodiment of the present invention.In the present embodiment, even
Connecing device 2 includes earthing block 21, coaxial cable 22 and fastener 23.
Fig. 3 and Fig. 4 are further regarded to, Fig. 3 is the schematic side view of the earthing block in Fig. 2, and Fig. 4 is the earthing block in Fig. 2
Schematic top plan view.The center of earthing block 21 is provided with the through-hole 219 of grafting coaxial cable 22.The outer periphery of earthing block 21 is axial
It is successively arranged weld part 213, flange portion 211, interconnecting piece 212 and clamping part 217.One end of flange portion 211 connects interconnecting piece
212, other end connecting welding portion 213.One end connecting flange portion 211 of interconnecting piece 212, the other end connect clamping part 217.Through-hole
219 run through weld part 213, flange portion 211, interconnecting piece 212 and clamping part 217.Flange portion 211 is equipped with the spiral shell axially extended
Nail hole 216, earthing block 21 are fixed on the cavity of cavity body filter by passing through the screw of screw hole 216.Weld part 213 and same
There is gap, solder flux pours into weld part 213 and coaxial electrical far from one end of interconnecting piece 212 from weld part 213 between shaft cable 22
Gap between cable 22.Weld part 213 is equipped with guiding groove 215 far from the end face of 212 one end of interconnecting piece.In a preferred embodiment,
Guiding groove 215 is in frusto-conical.Guiding groove 215 guides solder flux to pour into the gap between weld part 213 and coaxial cable 22.It is excellent
Choosing, guiding groove 215 is provided with multiple, and multiple guiding grooves 215 are uniformly distributed along the circumferential direction of weld part 213.Weld part 213
Periphery be equipped with the monitoring holes 214 for being radially connected to through-hole 219, monitoring holes 214 are for observing whether solder flux is full of weld part 213
With the gap between coaxial cable 22.Monitoring holes 214 at least 2 two, the circumferencial direction along weld part 213 is distributed, with convenient
It is observed.
In the present embodiment, flange portion 211, interconnecting piece 212, weld part 213 and clamping part 217 are integrally formed.And
In other embodiments, flange portion 211, interconnecting piece 212, weld part 213 and clamping part 217 can connect into one by other means
Body, such as welding, threaded engagement or paste, but need to guarantee, run through flange portion 211, interconnecting piece 212, weld part 213
With the axis of the through-hole 219 of clamping part 217 be straight line and with flange portion 211, interconnecting piece 212, weld part 213 and clamping part
217 circumferential cross-section is vertical.
One end of fastener 23 is arranged and is fixed on interconnecting piece 212, and the other end is set on clamping part 217, passes through clamping
Portion 217 applies chucking power radially inward to coaxial cable 22.Clamping part 217 is in frusto-conical, 23 other end of fastener
Inner wall and clamping part 217 outer wall shape adaptation, the periphery of clamping part 217 is equipped with the grooving 218 axially extended, grooving
218 extend radially through clamping part 217.In addition, the inner wall of 23 open end of fastener is equipped with internal screw thread, the periphery of interconnecting piece 212 is set
There is the external screw thread being adapted to therewith, is threadedly coupled between fastener 23 and interconnecting piece 212.Preferably, fastener 23 is nut, and
And to facilitate installation, most preferably hex nut.
Coaxial cable 22 includes by successively including inner sandwich layer 221, insulating layer 222, outer shell 223 except interior.In this implementation
In example, through-hole 219 is stepped, and the end face of outer shell 223 is connected on the cascaded surface of through-hole 219.
During installation, coaxial cable 22 is first passed through into fastener 23, is then then passed through the through-hole 219 of earthing block 21.When same
After the end face of the outer shell 223 of shaft cable 22 is connected on the cascaded surface of through-hole 219, by the weldering of coaxial cable 22 and earthing block 21
Socket part 213 is welded.Solder flux from weld part 213 far from one end of interconnecting piece 212 pour into weld part 213 and coaxial cable 22 it
Between gap, guiding groove 215 guides solder flux.When by monitoring holes 214 observe solder flux fill with weld part 213 with
Behind gap between coaxial cable 22, welding terminates.Finally, fastener 23 to connect and fix with earthing block 21, just complete
Whole installation process.
Through the above scheme, the beneficial effects of the present invention are: cavity body filter and its co-axial cable component of the invention is logical
The cooperation of earthing block and rigid external member is crossed, so that the stress point of coaxial cable moves back, so that main stress point is protected far from pad
The stable structure for having demonstrate,proved weld reduces the unstable risk of intermodulation, can effectively reduce intermodulation jump, it is steady to improve intermodulation
It is qualitative, improve the intermodulation percent of pass of product.
The above is only the embodiment of the present invention, are not intended to limit the scope of the invention, all to be said using the present invention
Equivalent structure or equivalent flow shift made by bright book and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (18)
1. a kind of coaxial connector, which is characterized in that including coaxial cable, earthing block and fastener;
The center of the earthing block is equipped with the through-hole of coaxial cable described in grafting, and the outer periphery of the earthing block axially successively includes
Weld part, flange portion, interconnecting piece and clamping part, the earthing block are fixedly connected by the weld part with the coaxial cable,
The coaxial cable and the weld part pass through welded connecting;
One end of the fastener is arranged and is fixed on the interconnecting piece, and the other end is set on the clamping part, passes through clamping
Portion applies chucking power radially inward to the coaxial cable.
2. connector according to claim 1, which is characterized in that between having between the weld part and the coaxial cable
Gap, between solder flux is poured between the weld part and the coaxial cable far from one end of the flange portion from the weld part
Gap.
3. connector according to claim 2, which is characterized in that end face of the weld part far from described flange portion one end
Equipped with guiding groove, the guiding groove is in frusto-conical, and the guiding groove guides the solder flux to pour into the weld part and described
Gap between coaxial cable.
4. connector according to claim 2, which is characterized in that the periphery of the weld part is equipped with described in radially connection
The monitoring holes of through-hole, the monitoring holes are for observing the gap whether solder flux is full of between weld part and the coaxial cable.
5. connector according to claim 4, which is characterized in that the monitoring holes at least 2 two, along the circle of weld part
Circumferential direction distribution.
6. according to claim 1 to connector described in 5 any one, which is characterized in that the flange portion is equipped with along axial direction
The screw hole of extension, the earthing block are fixed on cavity by passing through the screw of the screw hole.
7. according to claim 1 to connector described in 5 any one, which is characterized in that the coaxial cable by except interior according to
Secondary includes inner sandwich layer, insulating layer, outer shell, and the through-hole is stepped, and the end face of the outer shell is connected to the through-hole
On cascaded surface.
8. according to claim 1 to connector described in 5 any one, which is characterized in that the inner wall of described fastener one end is set
There is internal screw thread, the interconnecting piece periphery is equipped with the external screw thread being adapted to therewith.
9. according to claim 1 to connector described in 5 any one, which is characterized in that the clamping part is in frusto-conical,
The inner wall of the fastener other end and the outer wall shape adaptation of the clamping part, the periphery of the clamping part is equipped with prolongs along axial direction
The grooving stretched, the grooving extend radially through the clamping part.
10. a kind of cavity body filter, including cavity and the connector for being fixed on cavity wall, which is characterized in that the connector
Including coaxial cable, earthing block and fastener;
The center of the earthing block is equipped with the through-hole of coaxial cable described in grafting, and the outer periphery of the earthing block axially successively includes
Weld part, flange portion, interconnecting piece and clamping part, the earthing block is fixed on the side wall of the cavity by flange portion, described to connect
Plot is fixedly connected by the weld part with the coaxial cable, and the coaxial cable and the weld part are connected by welding
It connects;
One end of the fastener is arranged and is fixed on the interconnecting piece, and the other end is set on the clamping part, passes through clamping
Portion applies chucking power radially inward to the coaxial cable.
11. cavity body filter according to claim 10, which is characterized in that between the weld part and the coaxial cable
With gap, solder flux is poured between the weld part and the coaxial cable from the weld part far from one end of the flange portion
Gap.
12. cavity body filter according to claim 11, which is characterized in that the weld part is far from described flange portion one end
End face be equipped with guiding groove, the guiding groove is in frusto-conical, and the guiding groove guides the solder flux to pour into the weld part
Gap between the coaxial cable.
13. cavity body filter according to claim 11, which is characterized in that the periphery of the weld part, which is equipped with, radially to be connected
Lead to the monitoring holes of the through-hole, between whether the monitoring holes are full of between weld part and the coaxial cable for observing solder flux
Gap.
14. cavity body filter according to claim 13, which is characterized in that the monitoring holes at least 2 two, along welding
The circumferencial direction in portion is distributed.
15. cavity body filter described in 0 to 14 any one according to claim 1, which is characterized in that the flange portion is equipped with
The screw hole axially extended, the earthing block are fixed on cavity by passing through the screw of the screw hole.
16. cavity body filter described in 0 to 14 any one according to claim 1, which is characterized in that the coaxial cable is by interior
Except include successively inner sandwich layer, insulating layer, outer shell, the through-hole is stepped, and the end face of the outer shell is connected to described
On the cascaded surface of through-hole.
17. cavity body filter described in 0 to 14 any one according to claim 1, which is characterized in that described fastener one end
Inner wall is equipped with internal screw thread, and the interconnecting piece periphery is equipped with the external screw thread being adapted to therewith.
18. cavity body filter described in 0 to 14 any one according to claim 1, which is characterized in that the clamping part is in butt
Coniform, the inner wall of the fastener other end and the outer wall shape adaptation of the clamping part, the periphery of the clamping part is equipped with
The grooving axially extended, the grooving extend radially through the clamping part.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2014/095803 WO2016106638A1 (en) | 2014-12-31 | 2014-12-31 | Cavity filter and connector thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107112652A CN107112652A (en) | 2017-08-29 |
CN107112652B true CN107112652B (en) | 2019-07-26 |
Family
ID=56283912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480084412.6A Active CN107112652B (en) | 2014-12-31 | 2014-12-31 | Cavity body filter and its connector |
Country Status (2)
Country | Link |
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CN (1) | CN107112652B (en) |
WO (1) | WO2016106638A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0924791B1 (en) * | 1997-12-16 | 2004-03-03 | Spinner GmbH Elektrotechnische Fabrik | Bandpass filter |
CN101738019A (en) * | 2008-11-14 | 2010-06-16 | 乐金电子(天津)电器有限公司 | Connecting structure of refrigerant tube |
CN102064396A (en) * | 2010-11-01 | 2011-05-18 | 华为技术有限公司 | Coaxial cable connector |
CN202564516U (en) * | 2012-04-27 | 2012-11-28 | 深圳市大富科技股份有限公司 | Cavity filter |
CN203481564U (en) * | 2013-09-10 | 2014-03-12 | 深圳市大富科技股份有限公司 | Coaxial connector assembly |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101179173A (en) * | 2007-10-22 | 2008-05-14 | 常州安费诺福洋通信设备有限公司 | Contact pin jack type coaxial ripple cable connector |
CN101640358B (en) * | 2009-09-09 | 2011-09-07 | 中天日立射频电缆有限公司 | Coaxial cable jumper and welding manufacturing method thereof |
CN104022369A (en) * | 2014-06-20 | 2014-09-03 | 常州普纳电子科技有限公司 | High-performance welding-type radio frequency coaxial connector used for cable |
-
2014
- 2014-12-31 CN CN201480084412.6A patent/CN107112652B/en active Active
- 2014-12-31 WO PCT/CN2014/095803 patent/WO2016106638A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0924791B1 (en) * | 1997-12-16 | 2004-03-03 | Spinner GmbH Elektrotechnische Fabrik | Bandpass filter |
CN101738019A (en) * | 2008-11-14 | 2010-06-16 | 乐金电子(天津)电器有限公司 | Connecting structure of refrigerant tube |
CN102064396A (en) * | 2010-11-01 | 2011-05-18 | 华为技术有限公司 | Coaxial cable connector |
CN202564516U (en) * | 2012-04-27 | 2012-11-28 | 深圳市大富科技股份有限公司 | Cavity filter |
CN203481564U (en) * | 2013-09-10 | 2014-03-12 | 深圳市大富科技股份有限公司 | Coaxial connector assembly |
Also Published As
Publication number | Publication date |
---|---|
WO2016106638A1 (en) | 2016-07-07 |
CN107112652A (en) | 2017-08-29 |
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Address after: 233000 building 4, national financial incubation Industrial Park, 17 Yannan Road, high tech Zone, Bengbu City, Anhui Province Patentee after: Dafu Technology (Anhui) Co., Ltd Address before: 518108, Guangdong, Shenzhen province Baoan District manhole Street oyster Road, manhole Industrial Company Third Industrial Zone Patentee before: SHENZHEN TATFOOK TECHNOLOGY Co.,Ltd. |
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