CN104767053A - Radio-frequency coaxial connector and connecting terminal thereof - Google Patents
Radio-frequency coaxial connector and connecting terminal thereof Download PDFInfo
- Publication number
- CN104767053A CN104767053A CN201510102921.3A CN201510102921A CN104767053A CN 104767053 A CN104767053 A CN 104767053A CN 201510102921 A CN201510102921 A CN 201510102921A CN 104767053 A CN104767053 A CN 104767053A
- Authority
- CN
- China
- Prior art keywords
- center conductor
- splicing ear
- claws
- pair
- coaxial 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
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/025—Contact members formed by the conductors of a cable end
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
Abstract
The invention discloses a radio-frequency coaxial connector and a connecting terminal thereof. The connecting terminal comprises a terminal body, wherein one end of the terminal body is a cable connecting end. The connecting terminal is characterized in that a pair of second clamping jaws is arranged at the cable connecting end and is fixed to two sides of the cable connecting end, and the second clamping jaws are oppositely arranged. A clamping groove is formed between the second clamping jaws and the terminal body, and the separation distance of the clamping groove is matched with the inner diameter of a central conductor connected with the clamping groove. Each second clamping jaw comprises a basic portion and a bent portion, and the central conductor is wrapped with the bent portion when each second clamping jaw is connected with the central conductor. A welding portion is further arranged at the cable connecting end, is close to the second clamping jaws or is arranged on the second clamping jaws and is welded and fixed to the central conductor. The connecting stability of the connecting terminal and the central conductor is improved, the electrical performance of the radio-frequency coaxial connector is ensured, and communication quality can be improved.
Description
Technical field
The present invention relates to a kind of signal connection device, particularly relate to a kind of radio frequency (RF) coaxial connector and splicing ear thereof.
Background technology
Radio frequency (RF) coaxial connector (hereinafter referred to as RF connector) is considered to a kind of element being installed on cable or being arranged on instrument usually, as the element that transmission line is electrically connected or is separated.It belongs to electromechanical integrated product.Simply say that it mainly serves as a connection.
In coaxial connector of the prior art, splicing ear is generally with the syndeton of center conductor: arrange two symmetrical claws in one end be electrically connected with the center conductor in coaxial line of splicing ear, the groove of reserved accommodating center conductor between two claws, and make the width of groove be greater than the diameter of center conductor, when center conductor is fixedly connected with splicing ear, inside clamping force is applied to two claws, make claw clamp center conductor, complete electrical connection.But, the fixed effect of above-mentioned electric connection structure is also bad, clamping structure easily loosens, particularly be subject to along terminal length direction pull power after, there is gap between claw and center conductor, contact area is little, add that center conductor is generally round conductor, further increase the difficulty be fixedly clamped, and then cause splicing ear and center conductor loosen or depart from, directly affects the electric property of radio frequency (RF) coaxial connector.In view of this, be necessary to be further improved above-mentioned coaxial connector.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of radio frequency (RF) coaxial connector and splicing ear thereof, increases the stability that splicing ear is connected with center conductor, ensures the electric property of radio frequency (RF) coaxial connector, improves communication quality.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: provide a kind of splicing ear, splicing ear, comprise terminal body, one end of described terminal body is cable link, described cable link is provided with a pair second claws, and described a pair second claws are fixed on cable link both sides and are oppositely arranged; Form clamping slot between described second claw and terminal body, the spacing of described clamping slot adapts with the internal diameter of the center conductor be connected; Described second claw comprises base portion and kink, and when the second claw is connected with center conductor, described kink is wrapped on center conductor; Described cable link is also provided with weld part, and described weld part arranges near the second claw or is arranged on the second claw, and described weld part and center conductor are welded and fixed.
In order to solve the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of radio frequency (RF) coaxial connector, it is characterized in that, comprise housing, inner sleeve and splicing ear, described inner sleeve is placed in described housing, described inner sleeve arranges centre bore and extends to the mounting groove at edge from described centre bore, and described splicing ear is above-mentioned splicing ear, and described splicing ear is installed in described mounting groove and described a pair first claws are positioned at described centre bore.
Beneficial effect of the present invention is: be different from of the prior art under the pullling of external force, splicing ear and center conductor loosen or depart from, directly affects the problem of the electric property of radio frequency (RF) coaxial connector, the invention provides a kind of splicing ear, main employing arranges a pair second claws in terminal body, and on the one hand, the second claw is wrapped in the outside of center conductor when fixed center conductor, increase the contact area of the second claw and center conductor, not easily occur loosening phenomenon; On the other hand, be also provided with weld part, this weld part after access center conductor directly and center conductor be welded and fixed; By above-mentioned package structure and Welding Structure, the problem preventing from making splicing ear loosen with center conductor or be separated because external force pulls can be played, the stability that splicing ear is connected with center conductor can be increased, ensure the electric property of radio frequency (RF) coaxial connector, improve communication quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of splicing ear of the present invention;
Fig. 2 is the schematic diagram that the center conductor of coaxial cable of the present invention is connected with splicing ear;
Fig. 3 is center conductor and the splicing ear fixed structure one embodiment schematic diagram of coaxial cable of the present invention;
Fig. 4 is center conductor and the splicing ear fixed structure schematic diagram of coaxial cable of the present invention;
Fig. 5 is center conductor and another embodiment schematic diagram of splicing ear fixed structure of coaxial cable of the present invention;
Fig. 6 is the overall schematic of radio frequency (RF) coaxial connector of the present invention;
Fig. 7 is the decomposing schematic representation of radio frequency (RF) coaxial connector of the present invention.
Label declaration:
1, splicing ear; 11, terminal body; 12, the second claw; 13, weld part; 14, the 3rd claw; 15, the first claw; 121, kink; 122, base portion; 123, cutting portion; 124, clamping slot; 141, stopper slot;
2, inner sleeve; 21, centre bore; 22, mounting groove; 23, bar portion is extended;
3, housing; 31, supporting board; 32, split ring; 33, fastening pawl; 331, the fastening pawl of cable; 332, the fastening pawl of terminal; 333, the fastening pawl of split ring;
4, coaxial cable; 41, center conductor.
Embodiment
By describing technology contents of the present invention in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with execution mode.
The design of most critical of the present invention is: this programme mainly adopts and arrange a pair second claws and weld part in terminal body, on the one hand, second claw is wrapped in the outside of center conductor when fixed center conductor, increase the contact area of the second claw and center conductor, not easily occurs loosening phenomenon; On the other hand, also comprise weld part, this weld part after access center conductor directly and center conductor be welded and fixed, by above-mentioned package structure, Welding Structure and position limiting structure, the stability that splicing ear is connected with center conductor can be increased.
Please refer to Fig. 1 to Fig. 5, a kind of splicing ear of the present invention, comprise terminal body 11, one end of described terminal body 11 is cable link, described cable link is provided with a pair second claws 12, and described a pair second claws 12 are fixed on cable link both sides and are oppositely arranged; Form clamping slot 124 between described second claw 12 and terminal body 11, the spacing of described clamping slot 124 adapts with the internal diameter of the center conductor 41 be connected; Described second claw 12 comprises base portion 122 and kink 121, second claw 12 when being connected with center conductor 41, and described kink 121 is wrapped on center conductor 41; Described cable link is also provided with weld part 13, and described weld part 13 arranges near the second claw 12 and fixes or be arranged at center conductor 41 welding edges stretched out on the second claw.In above-mentioned structure, also comprise a pair the 3rd claws 14, stopper slot 141 is formed between described a pair the 3rd claws 14 and terminal body 11, the size of this stopper slot 141 and the internal diameter of center conductor 41 adapt, the effect of this stopper slot 141 pairs of center conductor 41 limited locations, above-mentioned weld part 13 can be welded on the inwall of stopper slot 141.This inwall comprises the bottom of stopper slot 141 and the sidewall of stopper slot 141.Consult Fig. 5, on the kink 121 that above-mentioned weld part 13 can also be arranged on the second claw 12 and cutting portion 123.
From foregoing description, beneficial effect of the present invention is: be different from of the prior art under the pullling of external force, splicing ear and center conductor 41 loosen or depart from, directly affects the problem of the electric property of radio frequency (RF) coaxial connector, the invention provides a kind of splicing ear, main employing arranges a pair second claws 12 in terminal body 11, on the one hand, second claw 12 is wrapped in the outside of center conductor 41 when fixed center conductor 41, increase the second claw 12 and the contact area of center conductor 41, not easily occur loosening phenomenon; On the other hand, be also provided with weld part 13, this weld part 13 after access center conductor 41 directly and center conductor 41 be welded and fixed; By above-mentioned package structure and Welding Structure, the problem preventing from making splicing ear loosen with center conductor 41 or be separated because external force pulls can be played, the stability that splicing ear is connected with center conductor 41 can be increased, ensure the electric property of radio frequency (RF) coaxial connector, improve communication quality.
Consult Fig. 3 to Fig. 5, as an embodiment, the kink 121 of described a pair second claws 12 does not bend arc length sum and center conductor 41 around center conductor 41, and to expose arc length isometric.The second claw 12 can be made like this to cover the surface of center conductor 41 completely, and do not stay gap between the second claw 12 and center conductor 41, fixing stability is better, but above-mentioned structure belongs to the second claw 12 and center conductor 41 one-tenth Analysis of Nested Design.
As a preferred scheme, the kink 121 of described a pair second claws 12 bends arc length sum around center conductor 41 respectively and is greater than and exposes arc length with center conductor 41, and the kink 121 of described a pair second claws 12 is provided with cutting portion 123 separately, this cutting portion 123 comprises inner side cutting portion and the outside cutting portion with inner side cutting portion 123 adaptation.Consider, the bending length of the second claw 12 is greater than center conductor 41 and bends arc length, during bending, second claw 12 easily leaves the problem in gap, causes protruding problem, arranges inner side cutting portion and the outside cutting portion with inner side cutting portion adaptation, can wrap up very much, the gap stayed is little.
Consult Fig. 1 to Fig. 5, as an embodiment, the free end of described terminal body 11 is also provided with a pair first claws 15, and described a pair first claws 15 make respective free end bringing together to the inclination extension of buckling groove direction.The connection reliability of described splicing ear can be improved so further.
Consult Fig. 1 to Fig. 4, as an embodiment, described terminal body 11, described a pair first claws 15 and described a pair second claws 12 are one-body molded.So not only can strengthen the intensity of described splicing ear, and the production technology of described splicing ear can be simplified, thus the production cost of described splicing ear can be reduced.
In sum, splicing ear provided by the invention, on the one hand, the second claw is wrapped in the outside of center conductor when fixed center conductor, increase the contact area of the second claw and center conductor, not easily occurs loosening phenomenon; On the other hand, include weld part, this weld part after access center conductor directly and center conductor be welded and fixed, this programme adopts the second claw to the package structure of center conductor and weld part to the Welding Structure of center conductor, the problem preventing from making because external force pulls splicing ear loosen with center conductor or be separated can be played, significantly improve the stability that splicing ear is connected with center conductor.
Consult Fig. 6-Fig. 7, present invention also offers a kind of radio frequency (RF) coaxial connector, comprise housing 3, inner sleeve 2 and splicing ear, described inner sleeve 2 is placed in described housing 3, described inner sleeve 2 arranges centre bore 21 and extends to the mounting groove 22 at edge from described centre bore 21, described splicing ear is above-mentioned splicing ear 1, and described splicing ear 1 is installed in described mounting groove 22 and described a pair first claws 15 are positioned at described centre bore 21.This coaxial connector, by utilizing above-mentioned splicing ear 1, more reliably can be connected so that the stable transfer of signal with coaxial cable, have and be connected reliably with coaxial cable, the advantages such as stable signal transmission.
Consult Fig. 6 to Fig. 7, as an embodiment, described housing 3 comprises supporting board 31 and is located at the split ring 32 of described supporting board 31 one end, described split ring 32 be irregular annular and the opening of described split ring 32 towards the other end of described supporting board 31.Not only can realize the location and installation of described inner sleeve 2 and described splicing ear 1 thus, and the assembling of described coaxial connector is more simple and convenient.
Consult Fig. 6, as an embodiment, the longitudinal edge of described supporting board 31 is along being provided with fastening pawl 33.The structural stability of described coaxial connector and the connection reliability with coaxial cable can be guaranteed like this.
Consult Fig. 6, as an embodiment, described fastening pawl 33 comprises for the fastening pawl of cable 331 of fastening coaxial cable, for the fastening pawl of terminal 332 that is fastenedly connected terminal 1 and the fastening pawl 333 of split ring for secured opening ring.Can realize spacing to described split ring 32, described splicing ear 1 and coaxial cable 4 of described fastening pawl 33 thus, and structure is simple, handling ease.
Consult Fig. 6, as an embodiment, described inner sleeve 2 has the extension bar portion 23 on the surface for being fitted in described supporting board 31.The stability that described splicing ear 1 is connected with described inner sleeve 2 not only can improve in this extension bar portion 23, and can improve the convenience of the assembling of described coaxial connector further.
In sum, radio frequency (RF) coaxial connector provided by the invention, this coaxial connector is the further application of above-mentioned splicing ear, by the second claw in splicing ear to the package structure of center conductor, weld part to the Welding Structure of center conductor and stopper slot to the position limiting structure of center conductor, the stability being electrically connected performance can be ensured, improve communication quality, adaptable to environment.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing specification of the present invention and accompanying drawing content to do, or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a splicing ear, comprises terminal body, and one end of described terminal body is cable link, it is characterized in that, described cable link is provided with a pair second claws, and described a pair second claws are fixed on cable link both sides and are oppositely arranged; Form clamping slot between described second claw and terminal body, the spacing of described clamping slot adapts with the internal diameter of the center conductor be connected; Described second claw comprises base portion and kink, and when the second claw is connected with center conductor, described kink is wrapped on center conductor;
Described cable link is also provided with weld part, and described weld part arranges near the second claw or is arranged on the second claw, and described weld part and center conductor are welded and fixed.
2. splicing ear according to claim 1, is characterized in that, the kink of described a pair second claws bends arc length sum and center conductor around center conductor respectively, and to expose arc length isometric.
3. splicing ear according to claim 1, it is characterized in that, the kink of described a pair second claws bends arc length sum around center conductor respectively and is greater than and exposes arc length with center conductor, and the kink of described a pair second claws is provided with inner side cutting portion and the outside cutting portion with inner side cutting portion adaptation separately.
4. splicing ear according to claim 1, is characterized in that, the free end of described terminal body is also provided with a pair first claws, and described a pair first claws make respective free end bringing together to the inclination extension of buckling groove direction.
5. splicing ear according to claim 4, is characterized in that, described terminal body, described a pair first claws and described a pair second claws are one-body molded.
6. a radio frequency (RF) coaxial connector, it is characterized in that, comprise housing, inner sleeve and splicing ear, described inner sleeve is placed in described housing, described inner sleeve arranges centre bore and extends to the mounting groove at edge from described centre bore, described splicing ear is the splicing ear described in any one of claim 1-5, and described splicing ear is installed in described mounting groove and a pair first claws are positioned at described centre bore.
7. radio frequency (RF) coaxial connector according to claim 6, it is characterized in that, described housing comprises supporting board and is located at the split ring of described supporting board one end, described split ring be irregular annular and the opening of described split ring towards the other end of described supporting board.
8. radio frequency (RF) coaxial connector according to claim 7, is characterized in that, the longitudinal edge of described supporting board is along being provided with fastening pawl.
9. radio frequency (RF) coaxial connector according to claim 8, is characterized in that, described fastening pawl comprises for the fastening pawl of cable of fastening coaxial cable, for the fastening pawl of terminal that is fastenedly connected terminal and the fastening pawl of split ring for secured opening ring.
10. radio frequency (RF) coaxial connector according to claim 7, is characterized in that, described inner sleeve has the extension bar portion on the surface for being fitted in described supporting board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510102921.3A CN104767053B (en) | 2015-03-09 | 2015-03-09 | Radio frequency (RF) coaxial connector and its connection terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510102921.3A CN104767053B (en) | 2015-03-09 | 2015-03-09 | Radio frequency (RF) coaxial connector and its connection terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104767053A true CN104767053A (en) | 2015-07-08 |
| CN104767053B CN104767053B (en) | 2017-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510102921.3A Active CN104767053B (en) | 2015-03-09 | 2015-03-09 | Radio frequency (RF) coaxial connector and its connection terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN104767053B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113875095A (en) * | 2019-05-22 | 2021-12-31 | 住友电装株式会社 | Connecting terminal and connector |
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| Publication number | Publication date |
|---|---|
| CN104767053B (en) | 2017-09-26 |
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