CN202888365U - Integrated cavity filter and connector - Google Patents
Integrated cavity filter and connector Download PDFInfo
- Publication number
- CN202888365U CN202888365U CN 201220523609 CN201220523609U CN202888365U CN 202888365 U CN202888365 U CN 202888365U CN 201220523609 CN201220523609 CN 201220523609 CN 201220523609 U CN201220523609 U CN 201220523609U CN 202888365 U CN202888365 U CN 202888365U
- Authority
- CN
- China
- Prior art keywords
- connector
- cavity
- metal
- groove
- metallic layer
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present utility model relates o the communication field, especially to an integrated cavity filter and connector. The connector comprises a cavity, a connector arranged on the cavity and integrally molded with the cavity, the connector comprises a shell and an inner core, the shell comprises a metal shell and a non-metal layer wrapped on the peripheral surface of the metal shell and provided with screw threads, the metal shell comprises a first part provided with a groove and a second part connected with the cavity, the first part is arranged on an open end of the connector, and the diameter of the first part is larger than that of the second part. The cavity and the shell body of the connector are directly molded through integrated die casting, seamless connection is realized, errors generated during the assembling link are eliminated, communication performance index and reliability are enhanced; and the screw threads are arranged on the non-metal layer of the connector directly molded through integrated die casting. Compared with the prior art of arranging screw threads on the metal shell, weight is lighter, costs are lower, heat and signal transmission is good, the performance is excellent, thus market competitiveness of products can be enhanced.
Description
Technical field
The utility model relates to communication field, relates in particular to cavity body filter and connector.
Background technology
Filter or duplexer have become a very important ring in the communications industry in modern times, and it is equipped with the connector that is connected with other modules usually, such as 7/16 connector, N Connector etc.In traditional technology, connector adopts screw to be connected usually with between filter or the duplexer.Be assembled as single component based on conventional filter and connector, because assembly relation, assembly precision affect filter, duplexer, tower discharge performance index and reliability thereof; Because filter and connector adopt four screw assembly connections, there is very large limitation in the material performances such as connector screw thread, inner core endurance square again.These communication performance index and physical performance indexs make filter have very large potential risk when normal the use, and its reliability need to be carried out lot of experiment validation and debugging work.
Traditional independent connector usually employing machine adds or the technological forming of die casting, and the die casting machine adds surplus exposes the casting flaws such as sand hole, shrinkage porosite than Da Yi risk, can not satisfy radio-frequency (RF) index and appearance requirement, the tradition connector adopts brass ingot or Al alloy block directly to process usually, what bring is that the market competitiveness is little because long processing time, process route length, the low cost that causes of stock utilization remain high.
In view of there is various problems in above-mentioned conventional art, be necessary this technology is improved.
The utility model content
In order to solve the defective that exists in the above-mentioned conventional art, the utility model discloses Integral-type cavity filter and connector, to realize that cavity and connector is one-body molded, saved operation and the process time of independent connector processing, avoid adding problems such as exposing Sha Kong in the process at machine.Thereby the shortening work flow reduces production costs, and enhances productivity, the stability of boostfiltering device.
For achieving the above object, the utility model provides Integral-type cavity filter, comprise cavity, be arranged on the cavity and with the integrated connector of cavity, described connector comprises shell and inner core, described shell comprises metal-back and is covered in the outer peripheral face of described metal-back and establishes threaded non-metallic layer, described metal-back comprises the first that is provided with draw-in groove and the second portion that is connected with cavity, described first is located at described connector opening end, and the external diameter of described first is larger than the external diameter of described second portion.
According to Integral-type cavity filter of the present utility model, the shell of described cavity and described connector is the integrated die-casting structure.
According to Integral-type cavity filter of the present utility model, described connector is cylinder type, and described connector inwall and described draw-in groove are provided with electrodeposited coating.
According to Integral-type cavity filter of the present utility model, described non-metallic layer is provided with external screw thread corresponding to described first.
According to Integral-type cavity filter of the present utility model, described draw-in groove cross section is spill, its opening direction is consistent with described connector opening direction, and described draw-in groove comprises the ring that is positioned at described metal-back inboard and the outer peripheral portion of described metal-back, and the described outer peripheral portion of described interior chain rate is high.
According to Integral-type cavity filter of the present utility model, the outer peripheral face of described metal-back is provided with netted or dentate groove, and described non-metallic layer is combined closely by netted or dentate groove and described metal-back.
Compared with prior art, the utility model Integral-type cavity filter has the following advantages:
According to Integral-type cavity filter of the present utility model, its cavity and connector are to make it one-body molded by die-casting technique, and then cavity and the independent machine-shaping of connector are connected by screw technique together in the replacement prior art.Because cavity and connector are one-body molded, connector and filter are done as a whole, realize seamless link, have improved external screw thread, the isostructural endurance square of inner core, and the physical property of product obtains larger improvement, and its reliability and fail safe are better.
According to Integral-type cavity filter of the present utility model; described non-metallic layer is provided with external screw thread; its advantage is by similar approach such as injection mouldings screw thread to be processed simply and easily on described connector; remove the complicated technology that available technology adopting machine adding method is processed described metal-back from; saved widely material; reduce the generation of metal waste residue, both be conducive to protection of the environment and also improved production efficiency.
According to Integral-type cavity filter of the present utility model, described first is larger than the external diameter of described second portion, this design is to be provided with described draw-in groove according to described first, described draw-in groove is used for connecting external signal equipment, its external diameter need reach the interface standard of industry requirement, and second portion is the transition portion between described first and the described cavity, suitably external diameter is reduced, save when producing material, provide a non-homogeneous contour structures but uniform wall thickness, prevent that described non-metallic layer is combined rear described non-metallic layer and skids off from described connector opening end with described metal-back, and the outer peripheral face of described metal-back is provided with netted or dentate groove, thereby so that both mutual frictional force are larger, in conjunction with more firm.Described non-metallic layer adopts the stronger macromolecular material of hardness to be made, thus replace of the prior art metal threaded, to reach the technical standard of conventional need.
According to Integral-type cavity filter of the present utility model, described connector inside and described draw-in groove arrange the electrodeposited coating purpose and are, when realizing antirust, anti-corrosive, so that the loss of signal still less.
According to Integral-type cavity filter of the present utility model, the design of described draw-in groove is for cooperating the external signal equipment interface, so that described connector is realized effectively closely being connected with external signal equipment, loss of signal being dropped to minimum.
The utility model also provides a kind of connector, be used for cavity body filter, described connector comprises shell and inner core, described shell comprises metal-back and is covered in the outer peripheral face of described metal-back and establishes threaded non-metallic layer, described metal-back comprises the first that is provided with draw-in groove and the second portion that is connected with cavity, described first is located at described connector opening end, and the external diameter of described first is larger than the external diameter of described second portion.
According to a kind of connector of the present utility model, described connector is cylinder type, and described connector inwall and described draw-in groove are provided with electrodeposited coating.
According to a kind of connector of the present utility model, described non-metallic layer is provided with external screw thread corresponding to described first.
According to a kind of connector of the present utility model, the outer peripheral face of described metal-back is provided with netted or dentate groove, and described non-metallic layer is combined closely by netted or dentate groove and described metal-back.
According to a kind of connector of the present utility model, the other end that described connector is provided with draw-in groove is provided with mounting panel, and described mounting panel is provided with screw, and described mounting panel is used for connecting the cavity body filter of traditional independent moulding.
According to connector of the present utility model, compared with prior art, its advantage is:
Whole connector is one-step die casting, because the connector draw-in groove is die casting preforming, when reducing machine work, the reduction machine adds the risk of rear exposure casting flaw.
According to connector of the present utility model, the connector outer surface injects corresponding nonmetal screw thread at non-metallic layer, replacing directly processing in the prior art metal threaded on metal-back, thereby has saved metal material; And nonmetallic materials are lower than metal material cost, and the course of processing is by the moulding of injection moulding mode, produces hardly waste material; And the secondary machine only adds and to need metal-back is carried out slightly correction processing, and the waste material of generation is few, and compared with prior art cost is reduced greatly.
According to connector of the present utility model, the design advantage of other structures is identical with the advantage of above-mentioned Integral-type cavity filter, specifically sees also above, repeats no more herein.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model Integral-type cavity filter;
Fig. 2 is the structural representation of a kind of embodiment of housing of the utility model connector.
Embodiment
Accompanying drawing below in conjunction with the utility model embodiment is described in detail the technical solution of the utility model, better understands the technical scheme that the utility model provides.
As shown in Figure 1, this figure is the structural representation of a kind of embodiment of the utility model Integral-type cavity filter.
The utility model provides Integral-type cavity filter 300, comprise cavity 200, be arranged on the cavity 200 and with cavity 200 integrated connectors 100, connector 100 comprises shell 101 and inner core 102, shell 101 comprises metal-back 103 and is covered in the outer peripheral face of metal-back 103 and establishes threaded non-metallic layer 105, metal-back 103 comprises the first 107 that is provided with draw-in groove 104 and the second portion 106 that is connected with cavity 200, first 107 is located at connector 100 openends, and the external diameter of first 107 is larger than the external diameter of second portion 106.
Preferably, the shell 101 of cavity 200 and connector 100 is integrated die-casting structures.
In the present embodiment, first 107 is owing to need to join with external signal equipment, its external diameter must meet traditional interface standard, and because the second portion 106 of the present embodiment just plays a transitional function that external signal equipment is connected with cavity 200, its topmost effect is to guarantee that signal reduces loss as much as possible in transmission course, so its external diameter needn't be excessive, can with inner core 102 adaptive getting final product, its external diameter is suitably reduced, can effectively save material, and can form a heterogeneous texture at connector 100 outer surfaces, thereby so that cover non-metallic layer 105 difficult drop-offs of metal-back 103 outer peripheral faces, more firm.
Preferably, connector 100 is cylinder type, and connector 100 inwalls and draw-in groove 104 are provided with electrodeposited coating.
In the present embodiment, connector 100 inner hollow, be cylinder type, the inside of its hollow is used for installing inner core 102, ordinary circumstance lower connector 100 all is take cylinder type as main, and special circumstances can according to specification requirement, can be processed into other shapes to second portion 106, such as polygon hollow structure etc., to realize the demands such as anti-skidding, attractive in appearance.It is to realize antiseptic and rustproof function that the inwall of connector 100 and draw-in groove 104 arrange electrodeposited coating, guarantees that simultaneously signal when connector 100 interior transmission, drops to loss minimum.
Preferably, non-metallic layer 105 is provided with external screw thread corresponding to first 107.
In the present embodiment, first 107 generally all is to connect by hickey in the prior art for connecting the part of external signal equipment, therefore, in order to save material, enhances productivity, and only the non-metallic layer 105 in first 107 arranges external screw thread.Because this external screw thread is by the modes such as non-metallic layer injection moulding are made, but not is undertaken by etching modes such as machine add, therefore produce hardly waste material, and nontoxic, environmental protection and material saving aspect all are beneficial to.
Preferably, draw-in groove 104 cross sections are spill, and its opening direction is consistent with connector 100 opening directions, and draw-in groove 104 comprises the ring 109 that is positioned at the metal-back inboard and the outer peripheral portion 108 of metal-back, and interior ring 109 is than outer peripheral portion 108 height.
In the present embodiment, the setting that interior ring 109 is higher than outer peripheral portion 108 is in order to guarantee that when connector and the external signal equipment connection, the inner hollow part can seal well, reduces signals leakiness, improves signal transmission performance.
Preferably, the outer peripheral face of metal-back 103 is provided with netted or dentate groove, and non-metallic layer 102 is combined closely by netted or dentate groove and metal-back 103.
Owing to metal-back 103 and non-metallic layer 105 are different media, it exists in conjunction with having caducous problem, appearance for fear of problems, except above mention first 107 and the external diameter of second portion 106 are arranged is different, the present embodiment also arranges netted or the lines such as dentate groove at metal-back 103 outer peripheral faces, to strengthen the bond strength between non-metallic layer 105 and the metal-back 103, guarantee that the utility model reaches the strength criterion that requires in the conventional art.
The utility model also provides a kind of connector 100, is used for cavity body filter, and as shown in Figure 1 and Figure 2, Fig. 2 is a kind of embodiment schematic diagram of a kind of connector shell of the utility model.Because innovation of the present utility model is the housing of connector, so the inner core 102 of connector just no longer indicates on Fig. 2.
Preferably, connector 100 is cylinder type, and connector 100 inwalls and draw-in groove 104 are provided with electrodeposited coating.
The technical characterictic that the action effect of the technical characterictic of above-described embodiment and Integral-type cavity filter provided above are corresponding is consistent, just repeats no more at this, please be as detailed above.
As shown in Figure 2, non-metallic layer 105 is provided with external screw thread corresponding to first 107.
In the present embodiment, screw thread is arranged at first 107 places, and be arranged on the non-metallic layer 105, at metal-back 103 screw thread is not set generally speaking, innovation of the present utility model just is only at non-metallic layer 105 screw thread to be set, this setup is except the advantage that the Integral-type cavity filter that above provides is provided, improved in addition in the conventional art technique of machining screw on the metal-back 103 of connector, because the housing that the present embodiment provides is one-body molded by the mode of die casting, screw thread is not set on metal-back 103, can realize more easily die cast, allow the more simple easy operating of technique, after with metal-back 103 moulding, cover non-metallic layer 105 at its outer peripheral face again, and non-metallic layer 105 is processed more easily compared with metal material, and can be injected required screw thread at metal-back 103 according to demand, therefore can reach the fast and easy moulding, enhance productivity.
Preferably, the outer peripheral face of metal-back 103 is provided with netted or dentate groove, and non-metallic layer 105 is combined closely by netted or dentate groove and metal-back 103.In the present embodiment, netted groove to be set as example, groove is because its out-of-shape, and can multiplely change, therefore do not indicate in the accompanying drawings, as long as the outer peripheral face with metal-back 103 arranges coarsely in actual applications, can realize the effect that it is closely linked metal-back 103 and non-metallic layer 105.
Preferably, the other end that connector 100 is provided with draw-in groove 104 is provided with mounting panel 110, and mounting panel 110 is provided with screw, and mounting panel 110 is used for connecting the cavity body filter of traditional independent moulding.
The connector that the present embodiment provides belongs to a separate part, to be used for cooperating the separately cavity body filter of moulding of tradition, therefore must mounting panel be set at an end of connector, the position of the size of its area, the thickness of mounting panel, screwed hole all can arrange according to the technological requirement of the filter interface of reality, but arrange in any case, mounting panel 110 also is and the moulding of connector integrated die-casting.The surface of mounting panel 110 is coated with non-metallic layer equally, at the face that mounting panel 110 is connected with cavity, is provided with the groove 111 of placing waterproof adhesive tape, to guarantee that connector can closely be connected with cavity, reaches the effect of waterproof, minimizing loss of signal.
In sum, the Integral-type cavity filter that the utility model provides is by integrated die casting straight forming, eliminates the error that the assembling link produces, and improves communication performance index and reliability thereof; And connector and filter do as a wholely, realizes seamless link, improved external screw thread, the isostructural endurance square of inner core, and the physical property of product obtains larger improvement, and its reliability and fail safe are better; Owing to having saved connector is installed in operation on the cavity, thereby simplifies product structure and process route, save greatly cost, the market competitiveness of improving product.
The connector that the utility model provides, its shell is by integrated die casting straight forming, especially the draw-in groove of connector also is one-body molded, thereby so that being connected of the connector of connector when work and external signal equipment is more fastening, reliable, can not occur becoming flexible, obscission, heat, signal transmission are good, and structural strength is better, superior performance.Moreover, because the threaded portion of connector is that non-metallic layer is injection molded, can corrosion, and lightweight, can save well material cost, cost of transportation and cost of upkeep in the future, thus the market competitiveness of improving product.
This specification has been quoted specific embodiment know-why of the present utility model and implementation has been explained in detail, and understands the technical solution of the utility model with help, but should not be construed as restriction of the present utility model.
Claims (10)
1. Integral-type cavity filter, it is characterized in that, comprise cavity, be arranged on the cavity and with the integrated connector of cavity, described connector comprises shell and inner core, described shell comprises metal-back and is covered in the outer peripheral face of described metal-back and establishes threaded non-metallic layer, described metal-back comprises the first that is provided with draw-in groove and the second portion that is connected with cavity, described first is located at described connector opening end, and the external diameter of described first is larger than the external diameter of described second portion.
2. Integral-type cavity filter according to claim 1 is characterized in that, the shell of described cavity and described connector is the integrated die-casting structure.
3. Integral-type cavity filter according to claim 1 is characterized in that, described connector is cylinder type, and described connector inwall and described draw-in groove are provided with electrodeposited coating.
4. Integral-type cavity filter according to claim 1 is characterized in that, described non-metallic layer is provided with external screw thread corresponding to described first.
5. Integral-type cavity filter according to claim 1, it is characterized in that, described draw-in groove cross section is spill, its opening direction is consistent with described connector opening direction, described draw-in groove comprises the ring that is positioned at described metal-back inboard and the outer peripheral portion of described metal-back, and the described outer peripheral portion of described interior chain rate is high.
6. Integral-type cavity filter according to claim 1 is characterized in that, the outer peripheral face of described metal-back is provided with netted or dentate groove, and described non-metallic layer is combined closely by netted or dentate groove and described metal-back.
7. connector, be used for cavity body filter, it is characterized in that, described connector comprises shell and inner core, described shell comprises metal-back and is covered in the outer peripheral face of described metal-back and establishes threaded non-metallic layer, described metal-back comprises the first that is provided with draw-in groove and the second portion that is connected with cavity, and described first is located at described connector opening end, and the external diameter of described first is larger than the external diameter of described second portion.
8. connector according to claim 7 is characterized in that, described connector is cylinder type, and described connector inwall and described draw-in groove are provided with electrodeposited coating.
9. connector according to claim 7 is characterized in that, described non-metallic layer is provided with external screw thread corresponding to described first.
10. connector according to claim 7 is characterized in that, the outer peripheral face of described metal-back is provided with netted or dentate groove, and described non-metallic layer is combined closely by netted or dentate groove and described metal-back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220523609 CN202888365U (en) | 2012-10-12 | 2012-10-12 | Integrated cavity filter and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220523609 CN202888365U (en) | 2012-10-12 | 2012-10-12 | Integrated cavity filter and connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888365U true CN202888365U (en) | 2013-04-17 |
Family
ID=48079759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220523609 Expired - Fee Related CN202888365U (en) | 2012-10-12 | 2012-10-12 | Integrated cavity filter and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202888365U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268969A (en) * | 2013-05-06 | 2013-08-28 | 深圳市大富科技股份有限公司 | Cavity filter, filter cavity body and method for manufacturing cavity filter |
| CN105612666A (en) * | 2014-06-20 | 2016-05-25 | 深圳市大富科技股份有限公司 | Cavity filter and connector assembly |
| WO2016106703A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Cavity filter and installation method therefor |
| WO2016106642A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Cavity filter, connector, duplexer and remote radio device |
| EP3300535B1 (en) * | 2016-08-04 | 2019-11-27 | Spinner GmbH | Low passive intermodulation rf coaxial connector |
-
2012
- 2012-10-12 CN CN 201220523609 patent/CN202888365U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268969A (en) * | 2013-05-06 | 2013-08-28 | 深圳市大富科技股份有限公司 | Cavity filter, filter cavity body and method for manufacturing cavity filter |
| CN105612666A (en) * | 2014-06-20 | 2016-05-25 | 深圳市大富科技股份有限公司 | Cavity filter and connector assembly |
| CN105612666B (en) * | 2014-06-20 | 2018-04-24 | 深圳市大富科技股份有限公司 | Cavity body filter and connector assembly |
| WO2016106703A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Cavity filter and installation method therefor |
| WO2016106642A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Cavity filter, connector, duplexer and remote radio device |
| EP3300535B1 (en) * | 2016-08-04 | 2019-11-27 | Spinner GmbH | Low passive intermodulation rf coaxial connector |
| US11158984B2 (en) | 2016-08-04 | 2021-10-26 | Spinner Gmbh | RF connector with low passive intermodulation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202888365U (en) | Integrated cavity filter and connector | |
| CN203536547U (en) | Inflatable arc ladder type elliptical-rectangular waveguide converter | |
| CN202521016U (en) | Water outlet pipe structure of faucet | |
| CN101318211B (en) | Step type water gap combined mould | |
| CN204956662U (en) | A pipe fitting structure that is used for electronic tail -gate vaulting pole system of motor vehicle | |
| CN201181615Y (en) | Insert | |
| CN210830955U (en) | Compound multi-way pipe | |
| CN210865769U (en) | Cast type double-end proportion electro-magnet structure | |
| CN202474264U (en) | Cable connector | |
| CN201927807U (en) | Electric connector | |
| CN202560795U (en) | Combined structure of piston rod end joint | |
| CN101380998A (en) | Wing with high intensity and high stiffness | |
| CN208033556U (en) | A kind of output shaft molding die of wind-power electricity generation | |
| CN205823868U (en) | A kind of shoulder bolt | |
| CN202975396U (en) | Optical fiber adapter | |
| CN101202390A (en) | Pins on power source plug | |
| CN109834241A (en) | A kind of sand core structure for realizing booster intake elbow high-pressure casting | |
| CN220880429U (en) | Easily-exhausted sand core structure of speed reducer box body | |
| CN203967431U (en) | A kind of terminal supporting | |
| CN210517099U (en) | 4.3-10 connector of integrated structure | |
| CN207818930U (en) | A kind of new structural bolt type copper aluminium terminal | |
| CN102878069A (en) | Oil groove sealing structure of fuel injection pump body | |
| TWI388683B (en) | Plating method | |
| CN102403815A (en) | Connecting structure of motor stator and stator circuit board | |
| CN207757479U (en) | A kind of sand-blasting machine sand outlet connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20171012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |