CN1316691C - High frequency coaxial connector - Google Patents
High frequency coaxial connector Download PDFInfo
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- CN1316691C CN1316691C CNB2005100553617A CN200510055361A CN1316691C CN 1316691 C CN1316691 C CN 1316691C CN B2005100553617 A CNB2005100553617 A CN B2005100553617A CN 200510055361 A CN200510055361 A CN 200510055361A CN 1316691 C CN1316691 C CN 1316691C
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- insulator
- coaxial connector
- frequency coaxial
- shell body
- fastening
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Abstract
The present invention discloses a high frequency coaxial connector which comprises a coaxial outer shell, an insulating body and a central conductor, wherein the insulating body is contained in the outer shell; the central conductor is contained in the insulating body; the insulating body comprises a clamping end, a holding end and a connecting part which is arranged between the clamping end and the holding end; the outer diameter of the connecting part is smaller than the outer diameters of the clamping end and the holding end; a compensation ring groove is formed among the connecting part, the clamping end and the holding end of the insulating body and the outer shell. Because the compensation ring groove is formed between the insulating body and the outer shell, the compensation ring groove is favorable for reducing standing-wave ratio and ensuring the stable transmission of signals.
Description
Technical field
The present invention relates to a kind of connector, relate in particular to a kind of high-frequency coaxial connector of 7/8 light pipe cable of the antenna-feedback system that is applied to the microwave communication technical elements.
Background technology
In radio-electronic equipment and instrument, cable in the microwave module between each microwave components connects all needs to adopt coaxial connector, in signals transmission, because whole cable is and is loaded with high-frequency signal, and the decay of the attenuation ratio low frequency signal of high-frequency signal is bigger, therefore then need coaxial connector to have more performance, voltage standing wave ratio then is an important indicator of check coaxial connector performance, if voltage standing wave ratio is big, then signal transmission distance is short, therefore then needs to provide some to have bandwidth, voltage standing wave ratio is little, easy to connect, the coaxial connector of advantage such as stable and reliable for performance.
Summary of the invention
The technical problem to be solved in the present invention is to provide the high-frequency coaxial connector that a kind of standing-wave ratio is little, performance is high.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: high-frequency coaxial connector of the present invention, comprise coaxial shell body, be contained in the insulator in the shell body and be contained in the interior center conductor of insulator, described insulator comprise hold end, fixing end and be arranged on hold the end and the fixing end between connecting portion, the external diameter of connecting portion is less than holding the end and the external diameter of fixing end, the connecting portion of insulator, holds that formation compensates annular groove between end, fixing end and the above-mentioned shell body.
Preferably, the end position that links to each other with connecting portion that holds of described insulator has outwards protruded out the retaining shirt rim.
Preferably, holding of described insulator also is provided with the ring-shaped step groove in the end.
Preferably, the fixing end front surface setting of described insulator is concaved with the blind hole of two symmetries.
Preferably, described center conductor comprises first, second fastening end and is arranged at transition part between first, second fastening end that the free end of first, second fastening end all offers the slit that first, second fastening end is divided into the even number arch section.
Preferably, described first fastening end has tapering in the axial direction.
Preferably, the position that is connected with transition part, described first fastening end protrudes out the protuberance that supports insulator fixing end along axis direction.
Preferably, enclose between the connecting portion of described transition part and insulator and be formed with first, second compensating tank.
Preferably, ring and outer shroud in second abutting end of described insulator comprises, the free end of described interior ring protrudes the free end of outer shroud in the axial direction.
Preferably, the installation portion inner surface of described insulator is provided with the hangnail that holds insulator.
Compared with prior art, the present invention has following advantage: therefore the present invention helps reducing standing-wave ratio owing to be provided with a plurality of compensating tanks, guarantees the stable transfer of signal; In addition, because shell body is provided with hangnail, help when shell body and insulator assembling, fixing insulator; The end that holds of insulator has radially outward protruded out the retaining shirt rim, helps locating and fixing the outer conductor of external cable.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described figure.
Fig. 1 is the three-dimensional exploded view of high-frequency coaxial connector of the present invention.
Fig. 2 is the profile of shell body among Fig. 1.
Fig. 3 is the profile of insulator among Fig. 1.
Fig. 4 is the profile of center conductor among Fig. 1.
Fig. 5 is a high-frequency coaxial connector combination section of the present invention.
Embodiment
Please refer to Fig. 1, shown in Figure 2, the present invention discloses the high-frequency coaxial connector 100 that a kind of model is 60K171-G15B1, comprise shell body 1, be housed in the insulator 2 in the shell body 1 and be arranged on center conductor 3 in the insulator 2, described shell body 1, insulator 2, center conductor 3 are rotary body, and above-mentioned three's axis is on same straight line.
Described shell body 1 comprises respectively first abutting end 11, second abutting end 12 that cooperates with the outer conductor of two coaxial cables (end diagram) and is clamped in installation portion 13 between first, second abutting end 11,12.Described first abutting end 11, second abutting end 12 and installation portion 13 are ring-type, wherein the outer radius of first abutting end 11 is less than or equal to the outer radius of installation portion 13, the outer radius of second abutting end 12 is less than the outer radius of first abutting end 11, and the inside radius of first abutting end 11 is greater than the inside radius of installation portion 13, and the inside radius of second abutting end 12 is less than the inside radius of installation portion 13.
The free-ended inner surface of described first abutting end 11 is provided with an annular boss 110, and these boss 110 surfaces are towards second abutting end 120.Its outer surface offers first matching thread 111 that is used to install cooperation.Outer surface outwards protrudes out and is provided with annular flange 112 between first abutting end 11 and installation portion 13, and inner surface is provided with and the relative first step face 113 in described boss 110 surfaces.Described second abutting end 12 comprises concentric outer shroud 120 and interior ring 122, limits an annular mating groove 123 between this outer shroud 120 and the interior ring 122.The height on the composition surface 1200 of wherein said outer shroud 120 is less than the height on the composition surface 1220 of interior ring 122.Similar with first abutting end 11, the free-ended outer circumference surface of second abutting end 12 is provided with second matching thread 121.The external peripheral surface of installation portion 13 is arranged to six prismatics, to form the wrench faces that matches with spanner, in addition, installation portion 13 is provided with the second step face 133 identical with first step face 113 directions with the inner surface that second free end 12 links to each other the position, the inner surface of installation portion 13 between first step face 113 and second step face 133 is provided with the hangnail 131 that fastens with insulator 2, carries out axial motion to prevent insulator 2 in shell body 1.
Preferably, the annular boss 110 of above-mentioned first abutting end 11 and the axial distance between the first step face 113 are 15.5
0 + 0.05Mm.And the internal diameter 29.5 of the installation portion 13 between above-mentioned annular boss 110 and first step face 113
0 + 0.05Mm.
Please cooperate with reference to Fig. 1 and shown in Figure 3, insulator 2 comprise part be housed in above-mentioned first abutting end 11 enclose in the space in holding end 21, be housed in above-mentioned installation portion 13 enclose the fixing end 22 in the space and be arranged at hold hold 21 and fixing end 22 between connecting portion 23.Wherein hold the external diameter of the external diameter of end 21, and the external diameter of fixing end 22 is greater than the external diameter of connecting portion 23 greater than fixing end 22.Therefore, hold compensation annular groove 230 that is provided with around connecting portion 23 of formation between end 21 and the fixing end 22.The described end 21 that holds is provided with the retaining shirt rim 210 that outwards protrudes out at the end adjacent with connecting portion 23, thinks that the outer conductor of coaxial connector provides location and clamping action.Described fixing end 22 is concaved with the blind hole 220 of two symmetries at its free end.In addition, hold the internal diameter of the internal diameter of end 21, and the internal diameter of connecting portion 23 is greater than the internal diameter of fixing end 22 greater than connecting portion 23.Therefore, hold end 21 and be formed with step surface 213, in addition, hold and hold 21 to be provided with the boss face 215 relative with step surface 213 with inner surface between the connecting portion 23, form annular step groove 242 between step surface 213 and the boss face 215, to reduce the standing-wave ratio of signal transmission.
In order to satisfy the requirement of low standing-wave ratio better, the internal diameter of the annular step groove 242 of above-mentioned insulator 2 is 22.6mm, and the axial length 7mm of annular step groove 242, the external diameter of described connecting portion 23 are 13.8mm, internal diameter 11.4
0 + 0.05mmThe internal diameter 6.5 of above-mentioned fixing end 22
0 + 0.1Mm, the axial depth of the blind hole 220 of fixing end 22 is 6.5
0 + 0.1Mm.
Please refer to Fig. 1 and shown in Figure 4, center conductor 3 comprises first fastening end 31, second fastening end 32 and is arranged on transition part 33 between first, second fastening end 31,32.Wherein first fastening end 31 and second fastening end 32 are annular.Described first fastening end 31 is contained in holding in end 21 spaces that enclosed of insulator 2, and first fastening end 31 is extended with protuberance 310 towards transition part 33 on axis direction.In addition, first fastening end 31 is provided with even number slit 312 at its free end, and this slit 312 is divided into the even number arch section with first fastening end 31, thereby when being connected with the center conductor of wire and cable connector (not shown) in the inner space 315 of first fastening end 31.When first fastening end 31 is expanded by external force, by the elasticity chucking cable of itself.Preferably, first fastening end 31 can also be set to taper shape, promptly free-ended diameter less than with the diameter of transition part 33 abutting ends.Described transition part 33 is cylindrical entity, its section along axis direction be roughly " in " font, promptly transition part 33 and first, second fastening end 31,32 adjacent ends are formed with first, second compensating tank 331,332 respectively.The diameter of described first, second compensating tank 331,332 is identical, but it is along the length difference on the axis direction, and preferred, the length of first compensating tank 331 is slightly larger than the length of second compensating tank 332.Similar with first fastening end 31, described second fastening end 32 offers even number slit 322 at its free end, described slit 322 is divided into the even number arch section with the free end of second fastening end 32, thereby when being connected with the center conductor of corresponding cable (not shown) in the inner space 324 of second fastening end 32, the free end of second fastening end expands and the chucking cable.Raised part 310 is used to be held in the interior step surface 221 of the fixing end 22 of insulator 2, to carry out axial location.
The maximum gauge 7.5 of the transition part of described center conductor 3
0 + 0.05Mm, the axial length of first compensating tank 331 are 17mm, diameter 3 ± 0.03mm, the axial length 3.3mm of second compensating tank 332, diameter 4.2 ± 0.03mm.The diameter of described protuberance 310 is 8.5 ± 0.05mm.
Please be simultaneously with reference to shown in Fig. 1-5, insulator 2 pushes away mode and is contained in the shell body 1 by squeezing, the fixing end 22 of insulator 2 is contained in the installation portion 13 of shell body 14, because fixing end 22 is identical with the axial length of installation portion 13 inner spaces along the length of axis direction, so the free-ended surface of fixing end 22 is connected on the second step face 133 of installation portion 13 of shell body 1, thereby in the axial direction insulator 2 is positioned.Hangnail 131 on installation portion 13 inner circumferential surfaces is holding the outer surface of fixing end 22, thereby helps the relative fixed of insulator 2 and shell body 1.The compensation annular groove 230 of insulator 2 is surrounded by the installation portion 13 of shell body 1, holding of insulator 2 holds 21 parts to be contained in first abutting end of shell body 1, and the retaining shirt rim 210 that holds end 21 is connected on the internal boss 110 of first abutting end 11, like this, form an airtight space between the connecting portion 23 of the inner surface of installation portion 13, insulator 2, to reduce the standing-wave ratio of signal transmission.Second fastening end 32 of center conductor 3 is contained in second abutting end 12 of shell body 1, because apart from the axial length that equals insulator 2 fixing ends 22, so transition part 33, first, second compensating tank 331,332 are contained in the receiving space that fixing end 22 encloses fully between the surface 325 of the contiguous transition parts in second fastening end 32 and the surface of the boss 310 of first fastening end 31.31 of first fastening ends are contained in the receiving space that the connecting portion 23 of insulator 2 encloses fully.
Because insulator 2 of the present invention offers compensation annular groove 230, in signals transmission, this compensation annular groove 230 helps to reduce greatly to stay little ratio, prevent signal transmission loss, reach the industry requirement little to bandwidth, the standing-wave ratio of electric connector, in addition, for the stability of further enhancing signal transmission, the fixing end 22 of insulator 2 also is provided with the blind hole 220 of two symmetries, is provided with first, second compensating tank 331,332 on the center conductor 3 simultaneously.
The above only is a preferred implementation of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection range of claim of the present invention.
Claims (10)
1. high-frequency coaxial connector, comprise coaxial shell body, be contained in the insulator in the shell body and be contained in center conductor in the insulator that described shell body comprises first abutting end, second abutting end and is clamped in installation portion between first, second abutting end; Described insulator comprises and holds end, fixing end and be arranged on the connecting portion that holds between end and the fixing end, and the external diameter of connecting portion is held and the external diameter of fixing end less than holding; Described center conductor comprises first fastening end, second fastening end and is arranged on transition part between first and second fastening end; It is characterized in that: the fixing end of described insulator is contained in the installation portion of described shell body, first fastening end of described center conductor is contained in holding in the end of described insulator, second fastening end is contained in second abutting end of described shell body, and the connecting portion of described insulator, holds between end, fixing end and the described shell body and to form the compensation annular groove.
2. high-frequency coaxial connector as claimed in claim 1 is characterized in that: the end position that links to each other with connecting portion that holds of described insulator has outwards protruded out the retaining shirt rim.
3. high-frequency coaxial connector as claimed in claim 1 is characterized in that: holding of described insulator also is provided with the ring-shaped step groove in the end.
4. high-frequency coaxial connector as claimed in claim 1 is characterized in that: the fixing end front surface setting of described insulator is concaved with the blind hole of two symmetries.
5. high-frequency coaxial connector as claimed in claim 1 is characterized in that: the free end of described first, second fastening end all offers the slit that described first, second fastening end is divided into the even number arch section.
6. high-frequency coaxial connector as claimed in claim 1 is characterized in that: described first fastening end has tapering in the axial direction.
7. high-frequency coaxial connector as claimed in claim 1 is characterized in that: the position that described first fastening end is connected with transition part protrudes out the protuberance that supports insulator fixing end along axis direction.
8. high-frequency coaxial connector as claimed in claim 1 is characterized in that: enclose between the connecting portion of described transition part and insulator and be formed with first, second compensating tank.
9. as each described high-frequency coaxial connector among the claim 1-8, it is characterized in that: ring and outer shroud in second abutting end of described shell body comprises, the free end of described interior ring protrudes the free end of outer shroud in the axial direction.
10. as each described high-frequency coaxial connector among the claim 1-8, it is characterized in that: the installation portion inner surface of described shell body is provided with the hangnail that holds insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100553617A CN1316691C (en) | 2005-03-18 | 2005-03-18 | High frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100553617A CN1316691C (en) | 2005-03-18 | 2005-03-18 | High frequency coaxial connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1649217A CN1649217A (en) | 2005-08-03 |
| CN1316691C true CN1316691C (en) | 2007-05-16 |
Family
ID=34876744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100553617A Active CN1316691C (en) | 2005-03-18 | 2005-03-18 | High frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1316691C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738612B (en) * | 2011-04-01 | 2014-07-02 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CA2968111A1 (en) * | 2014-11-12 | 2016-05-19 | Vijay Kumar MADA | A novel rigid modular holding system with radial and axial compensation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06104024A (en) * | 1991-11-14 | 1994-04-15 | Alcatel Components Ltd | Electric connector |
| CN2240207Y (en) * | 1995-05-15 | 1996-11-13 | 李进贤 | Coaxial cable junction |
| CN2301798Y (en) * | 1997-07-22 | 1998-12-23 | 北京三维电器公司 | Wire spring radio-frequency coaxial connector |
| US5989056A (en) * | 1995-08-04 | 1999-11-23 | Phoenix Contact Gmbh & Co. Kg, (German Corporation) | Cable connector with stress relief assembly |
| US6089912A (en) * | 1996-10-23 | 2000-07-18 | Thomas & Betts International, Inc. | Post-less coaxial cable connector |
-
2005
- 2005-03-18 CN CNB2005100553617A patent/CN1316691C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06104024A (en) * | 1991-11-14 | 1994-04-15 | Alcatel Components Ltd | Electric connector |
| CN2240207Y (en) * | 1995-05-15 | 1996-11-13 | 李进贤 | Coaxial cable junction |
| US5989056A (en) * | 1995-08-04 | 1999-11-23 | Phoenix Contact Gmbh & Co. Kg, (German Corporation) | Cable connector with stress relief assembly |
| US6089912A (en) * | 1996-10-23 | 2000-07-18 | Thomas & Betts International, Inc. | Post-less coaxial cable connector |
| CN2301798Y (en) * | 1997-07-22 | 1998-12-23 | 北京三维电器公司 | Wire spring radio-frequency coaxial connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1649217A (en) | 2005-08-03 |
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