CN203205557U - Coaxial radio frequency connector - Google Patents
Coaxial radio frequency connector Download PDFInfo
- Publication number
- CN203205557U CN203205557U CN 201320003711 CN201320003711U CN203205557U CN 203205557 U CN203205557 U CN 203205557U CN 201320003711 CN201320003711 CN 201320003711 CN 201320003711 U CN201320003711 U CN 201320003711U CN 203205557 U CN203205557 U CN 203205557U
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- CN
- China
- Prior art keywords
- frequency connector
- coaxial radio
- conductor
- pair
- compressing piece
- 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
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model relates to a coaxial radio frequency connector for connecting a cable. The coaxial radio frequency connector comprises an external conductor, an insulation body accommodated inside the external conductor, and a center terminal installed inside the insulation body. The center terminal includes a base portion, a pair of contact arms extending from two sides of the base portion downwardly, and a connecting portion extending from one end of the base portion. The cable includes a central conductor arranged at the connecting portion of the center terminal; the two sides of the connecting portion of the central terminal are extended upwardly to from a pair of crimping sheets; and crimping sheets approximately have negative-direction triangular structures. According to the utility model, the provided coaxial radio frequency connector has the excellent radio frequency transmission performance.
Description
Technical field
The utility model relates to a kind of coaxial radio-frequency connector, refers to that especially a kind of center terminal stablizes the coaxial radio-frequency connector of the center conductor of connection cable.
Background technology
The line end coaxial radio-frequency connector has generally comprised a center terminal and has been used for connection cable, and described center terminal generally is installed on and is used for buttcover plate end coaxial radio-frequency connector in the insulating body.The a pair of contact site that described center terminal generally comprises base portion, extend to form downwards from the base portion both side edges, and the connecting portion that extends to form from base portion one end.In the existing product, the center conductor in the cable generally adopts the mode of welding to produce with the connecting portion of described center terminal and is electrically connected, but because the restriction of welding procedure can't ensure that solder joint is enough little, the excessive transmission that then can influence radiofrequency signal of solder joint.
Simultaneously, industry also has following technical scheme, namely extend upward the formation compressing piece in the connecting portion both sides of center terminal, described two compressing piece pressed and overlapped are connected on the center conductor of described cable, but the mode of this overlapping crimping makes the syndeton of cable center conductor irregular, also can influence the transmission of radiofrequency signal greatly.
The utility model content
The purpose of this utility model is to provide a kind of center terminal to stablize the center conductor of connection cable, and can keep the coaxial radio-frequency connector of good radio frequency transmission performance.
For this reason, the utility model provides a kind of coaxial radio-frequency connector, be used for connection cable, described coaxial radio-frequency connector comprises external conductor, be contained in the insulating body in the external conductor, and be installed on center terminal in the insulating body, described external conductor comprises cylindrical portion, but extend to form from ora terminalis on the cylindrical portion peripheral part and bending is covered in the cap on the described cylindrical portion, and be positioned at the maintenance wrist that extends to form towards radial direction on the diametric(al) with the cap extended position from cylindrical portion, described insulating body comprises the main part in the cylindrical portion that is tubular structure and is contained in described external conductor, the terminal accommodating portion of the described main part of up/down perforation, reach the pressing member that extends upward formation from the outer rim of described main part peripheral part, described center terminal comprises base portion, the a pair of contact arm that extends to form downwards from the base portion both sides, reach the connecting portion that extends to form from base portion one end, described cable includes the center conductor on the connecting portion of centering terminal, the connecting portion both sides of described center terminal extend upward and are formed with a pair of compressing piece, and described a pair of compressing piece roughly is triangular structure in the other direction.
After described a pair of compressing piece bending was crimped on the described center conductor, described a pair of compressing piece just enveloped described center conductor, and does not have overlapping.
After described a pair of compressing piece was crimped on the described center conductor, the cross section of described compressing piece was that circular configuration and clamping are coated on the described center conductor.
After described a pair of compressing piece was crimped on the described center conductor, the cross section of described compressing piece was that ellipsoidal structure and clamping are coated on the described center conductor.
Described insulating body also is included in the main part peripheral part and extends and the supporting part relative with described pressing component along radial direction, and described supporting part is accommodated the connecting portion of described center terminal.
The other end that described center terminal is relative with connecting portion has extended to form the Access Division, and the pressing component below that described insulating body is positioned at the terminal containing slot inboard is formed with the buckling groove of accommodating described Access Division.
The main part periphery upper end of described insulating body outwards protrudes out and is formed with fixture block, and the cylindrical portion apical margin correspondence of described external conductor is provided with the draw-in groove of accommodating described fixture block.
Described cable also includes the inner insulating layer that coats center conductor, be coated on the braid on the inner insulating layer and be coated on external insulation layer on the braid, the curved structure in connecting portion bottom of described center terminal is accommodated described center conductor, described inner insulating layer and braid are contained in the maintenance wrist of described external conductor, and described braid and external conductor are electrically connected.
Described external conductor also includes the fixed part that is connected on the described cap, and described fixed part is sandwiched on the described maintenance wrist admittedly.
Described external conductor also includes the portion that centers on that is connected on the described fixed part, and the described portion that centers on is sandwiched on the external insulation layer of described cable admittedly.
With respect to prior art, first of the connecting portion both sides of the center terminal of the coaxial radio-frequency connector of this utility model, second compressing piece oppositely roughly partly excises along diagonal, first, second compressing piece roughly is reverse triangle structure, again with described first, when second compressing piece bends on the center conductor that is coated on described cable, thereby make the cross section that is coated on the outer compressing piece of described center conductor roughly be ellipse or the circular configuration of a rule, be consistent with the impedance of cable with the impedance at the connecting portion place that keeps center terminal as far as possible, guaranteed the transmission performance of radiofrequency signal.
Description of drawings
Stereogram when Fig. 1 is the utility model coaxial radio-frequency connector connection cable.
Fig. 2 is the expanded view of the utility model coaxial radio-frequency connector.
Fig. 3 is the three-dimensional exploded view of the utility model coaxial radio-frequency connector.
When Fig. 4 launched for the utility model coaxial radio-frequency connector, described cable was put the location drawing.
Fig. 5 is the end view of the center terminal of the utility model coaxial radio-frequency connector.
Fig. 6 is the center conductor schematic diagram during crimping not also of the center terminal of the utility model coaxial radio-frequency connector and cable.
Fig. 7 is the structural representation behind the center conductor of center terminal crimping cable of the utility model coaxial radio-frequency connector.
Embodiment
See also Fig. 1 to shown in Figure 3, the utility model coaxial radio-frequency connector comprises external conductor 30, be contained in the insulating body 20 in the external conductor 30 and be contained in center terminal 10 in the insulating body 20.
See also Fig. 3,, Fig. 4, and shown in Figure 5, described center terminal 10 is by the metallic plate processing and fabricating, a pair of contact arm 12 that comprises tabular base portion 11, extends to form downwards from base portion 11 both side edges, from Access Division 14 that base portion 11 front ends extend to form, and the connecting portion 13 that extends to form from base portion 11 rear ends.Described connecting portion 13 bottoms are the center conductor 41 that arc structure is beneficial to put cable 40, and the both sides of described connecting portion 13 extend upward and form a pair of compressing piece 131,132.Described a pair of compressing piece 131,132 is opposite direction roughly along the diagonal excision, makes first compressing piece 131 and second compressing piece 132 form two roughly reciprocal triangular structures.
The pressing member 22 that described insulating body 20 comprises cylindrical main body portion 21, erect from the local peripheral part of the circumferencial direction of described main part 21, and the supporting part 23 of the connecting portion 13 that is used for the described center terminal 10 of carrying that a side opposite with described pressing member 22 extends to form from the upper limb of main part 21 towards radial direction on diametric(al).Described main part 21 peripheries roughly are cylindric, are formed with terminal accommodating portion 25 at central up/down perforation, and a pair of contact arm 12 of described center terminal 10 enters in the described terminal accommodating portion 25.The inboard upper limb that described main part 21 is positioned at pressing member 22 is provided with the buckling groove 26 for the Access Division 14 of the described center terminal 10 of clamping.The upper end outer rim of described main part 21 is the outstanding fixture block 24 that extended to form outwards.
See also Fig. 1 to shown in Figure 4, described external conductor 30 adopts sheet metals to process, comprise roughly be rolled into cylindric and form gapped 310 chimeric cylindrical portion 31 at a position of circumferencial direction, the maintenance wrist 32 that extended to form by two side positions in the above-mentioned gap 310 of clamping, and diametric(al) be positioned at a side opposite with described gap 310 and by the upper end of described chimeric cylindrical portion 21 erect the cap 33 that arranges, fixed part 34, and around portion 35.
Near the ring-type lock slots 311 of performance lock function when formation is chimeric with the external conductor of butt connector the outer peripheral face lower end of described cylindrical portion 31.Described maintenance wrist 32 is near the supporting part 23 of the described insulating body 20 of cylindrical portion 31 place's ecto-entads, half clamping.Described maintenance wrist 32 be used for accommodating described cable 40 away from cylindrical portion 31 1 end place semicircular in shape structures.Described cylindrical portion 31 tops are provided with the draw-in groove 312 that cooperates with the fixture block 24 of described insulating body 20.Described cap 33 is connected with described cylindrical portion 31 by contraction flow region 36, and described cap 33 can be by described contraction flow region 36 crooked being covered on the described cylindrical portion 31.Described cap 33 comprises plate-like portion 331, reaches the both sides 332 that are covered in cylindrical portion 31 both sides that extend to form from plate-like portion 331 both sides, and described plate-like portion 331 is provided be used to the protuberance 333 that supports described pressing member 22.Described fixed part 34 is connected in described cap 33 1 ends, and described fixed part 34 comprises plate-like portion 341, reaches the both sides 342 that are used for coating described maintenance wrist 32 that extend to form from plate-like portion 341 both sides downwards.Describedly be connected in fixed part 34 1 ends around portion 35, describedly comprise plate-like portion 351, and the both sides of the external insulation layer 44 that is used for the described cable of clamping that extends to form from plate-like portion 351 both sides downwards around portion 35.
See also Fig. 2 to shown in Figure 7, the installation steps of the utility model coaxial radio-frequency connector are as follows, at first described insulating body 20 is fit in the cylindrical portion 31 of external conductor 30, the fixture block 24 of ora terminalis snaps in the draw-in groove 312 of described cylindrical portion 31 on the main part 21 of described insulating body 20, and the supporting part 23 of described insulating body 20 is contained in the maintenance wrist 32 of described external conductor 30.Subsequently, described center terminal 10 is fit in the described insulating body 20, two contact arms 12 of described center terminal 10 enter in the terminal accommodating portion 25 of 21 central authorities of cylindrical body portion of described insulating body 20, the connecting portion 13 of described center terminal 10 is contained on described insulating body 20 supporting parts 23, and the Access Division 14 of described center terminal 10 is connected in the buckling groove 26 of described insulating body 20.Again then, described cable 40 successively is placed in the installation site after stepped the divesting, at this moment, the center conductor 41 of described cable 40 is positioned at two compressing pieces 131 of the connecting portion 13 of center terminal 10, between 132, inner insulating layer 42 and the braid 43 of described cable 40 is positioned at the maintenance wrist 32 of described external conductor 30, and described braid 43 electrically contacts with described maintenance wrist 32; First compressing piece 131 of the connecting portion 13 of described center terminal 10 is relative to being crimped on the described center conductor 41 with second compressing piece 132, at this moment, as shown in Figure 7, to be overmolding to the cross section be circular configuration (shown in Fig. 7 dotted line) or ellipsoidal structure for described first, second compressing piece 131,132 center conductors 41 with described cable 40.At last, the cap 33 of described external conductor 30 is bent downwardly mobile being covered on the described cylindrical portion 31, the pressing component 22 of described insulating body 20 presses on the described center terminal 10, the sidepiece 342 of described fixed part 34 both sides inwardly is held on the maintenance wrist 32 of described external conductor 30, the described external insulation layer 44 that centers on the described cable of sidepiece 352 clampings of portion 35 both sides.
Compared to prior art, first of connecting portion 13 both sides of the center terminal 10 of coaxial radio-frequency connector of the present utility model, second compressing piece 131,132 oppositely roughly partly excise along diagonal, first, second compressing piece 131,132 roughly are reverse triangle structure, again with described first, second compressing piece 131, when 132 bendings are coated on the center conductor 41 of described cable 40, thereby make the compressing piece 131 that is coated on outside the described center conductor 41,132 cross section roughly is ellipse or the circular configuration of a rule, be consistent with the impedance of cable 40 with the impedance at connecting portion 13 places that keep center terminal 10 as far as possible, guaranteed the transmission performance of radiofrequency signal.
Claims (10)
1. coaxial radio-frequency connector, be used for connection cable, described coaxial radio-frequency connector comprises external conductor, be contained in the insulating body in the external conductor, and be installed on center terminal in the insulating body, described external conductor comprises cylindrical portion, but extend to form from ora terminalis on the cylindrical portion peripheral part and bending is covered in the cap on the described cylindrical portion, and be positioned at the maintenance wrist that extends to form towards radial direction on the diametric(al) with the cap extended position from cylindrical portion, described insulating body comprises the main part in the cylindrical portion that is tubular structure and is contained in described external conductor, the terminal accommodating portion of the described main part of up/down perforation, reach the pressing member that extends upward formation from the outer rim of described main part peripheral part, described center terminal comprises base portion, the a pair of contact arm that extends to form downwards from the base portion both sides, reach the connecting portion that extends to form from base portion one end, it is characterized in that: described cable includes the center conductor on the connecting portion of centering terminal, the connecting portion both sides of described center terminal extend upward and are formed with a pair of compressing piece, and described a pair of compressing piece roughly is triangular structure in the other direction.
2. coaxial radio-frequency connector as claimed in claim 1, it is characterized in that: after described a pair of compressing piece bending was crimped on the described center conductor, described a pair of compressing piece just enveloped described center conductor, and does not have overlapping.
3. coaxial radio-frequency connector as claimed in claim 2, it is characterized in that: after described a pair of compressing piece was crimped on the described center conductor, the cross section of described compressing piece was that circular configuration and clamping are coated on the described center conductor.
4. coaxial radio-frequency connector as claimed in claim 2, it is characterized in that: after described a pair of compressing piece was crimped on the described center conductor, the cross section of described compressing piece was that ellipsoidal structure and clamping are coated on the described center conductor.
5. coaxial radio-frequency connector as claimed in claim 1 is characterized in that: described insulating body also is included in the main part peripheral part and extends and the supporting part relative with described pressing component along radial direction, and described supporting part is accommodated the connecting portion of described center terminal.
6. coaxial radio-frequency connector as claimed in claim 1, it is characterized in that: the other end that described center terminal is relative with connecting portion has extended to form the Access Division, and the pressing component below that described insulating body is positioned at the terminal containing slot inboard is formed with the buckling groove of accommodating described Access Division.
7. coaxial radio-frequency connector as claimed in claim 1 is characterized in that: the main part periphery upper end of described insulating body outwards protrudes out and is formed with fixture block, and the cylindrical portion apical margin correspondence of described external conductor is provided with the draw-in groove of accommodating described fixture block.
8. coaxial radio-frequency connector as claimed in claim 1, it is characterized in that: described cable also includes the inner insulating layer that coats center conductor, be coated on the braid on the inner insulating layer and be coated on external insulation layer on the braid, the curved structure in connecting portion bottom of described center terminal is accommodated described center conductor, described inner insulating layer and braid are contained in the maintenance wrist of described external conductor, and described braid and external conductor are electrically connected.
9. coaxial radio-frequency connector as claimed in claim 8, it is characterized in that: described external conductor also includes the fixed part that is connected on the described cap, and described fixed part is sandwiched on the described maintenance wrist admittedly.
10. coaxial radio-frequency connector as claimed in claim 9 is characterized in that: described external conductor also include be connected on the described fixed part around portion, describedly be sandwiched in admittedly on the external insulation layer of described cable around portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320003711 CN203205557U (en) | 2013-01-06 | 2013-01-06 | Coaxial radio frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320003711 CN203205557U (en) | 2013-01-06 | 2013-01-06 | Coaxial radio frequency connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203205557U true CN203205557U (en) | 2013-09-18 |
Family
ID=49149627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320003711 Expired - Fee Related CN203205557U (en) | 2013-01-06 | 2013-01-06 | Coaxial radio frequency connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203205557U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767053A (en) * | 2015-03-09 | 2015-07-08 | 信维创科通信技术（北京）有限公司 | Radio-frequency coaxial connector and connecting terminal thereof |
| WO2016141526A1 (en) * | 2015-03-09 | 2016-09-15 | 信维创科通信技术（北京）有限公司 | Radio-frequency coaxial connector and connection terminal thereof |
| CN107681392A (en) * | 2017-07-25 | 2018-02-09 | 启东乾朔电子有限公司 | Radio frequency (RF) coaxial connector |
-
2013
- 2013-01-06 CN CN 201320003711 patent/CN203205557U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767053A (en) * | 2015-03-09 | 2015-07-08 | 信维创科通信技术（北京）有限公司 | Radio-frequency coaxial connector and connecting terminal thereof |
| WO2016141526A1 (en) * | 2015-03-09 | 2016-09-15 | 信维创科通信技术（北京）有限公司 | Radio-frequency coaxial connector and connection terminal thereof |
| CN104767053B (en) * | 2015-03-09 | 2017-09-26 | 信维创科通信技术（北京）有限公司 | Radio frequency (RF) coaxial connector and its connection terminal |
| CN107681392A (en) * | 2017-07-25 | 2018-02-09 | 启东乾朔电子有限公司 | Radio frequency (RF) coaxial connector |
| CN107681392B (en) * | 2017-07-25 | 2023-01-17 | 启东乾朔电子有限公司 | Radio frequency coaxial connector |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20210106 |