CN203134998U - BMA-type radio frequency coaxial connector with novel semi-rigid cable connection structure - Google Patents
BMA-type radio frequency coaxial connector with novel semi-rigid cable connection structure Download PDFInfo
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- CN203134998U CN203134998U CN 201320025408 CN201320025408U CN203134998U CN 203134998 U CN203134998 U CN 203134998U CN 201320025408 CN201320025408 CN 201320025408 CN 201320025408 U CN201320025408 U CN 201320025408U CN 203134998 U CN203134998 U CN 203134998U
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- cable
- radio frequency
- coaxial connector
- type radio
- sleeve pipe
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Abstract
The utility model discloses a BMA-type radio frequency coaxial connector with a novel semi-rigid cable connection structure, including a housing, an insulator arranged in the housing and fixed in the housing, and an inner conductor arranged in the insulator. One end of the inner conductor is interposed with a sleeving pipe. The cable inner conductor is inserted into the sleeving pipe and is welded and fixed with the sleeving pipe. A lining is fixed in the housing, outside a cable outer conductor and at one end of the insulator. A semi-rigid cable with a diameter of 1.2 mm can be matched. The length of the connector is reduced, the whole machine space utilization rate and reliability are improved, especially the yield of the welding cable inner conductor is improved, and the work efficiency is improved. The connector is mainly used in aviation, aerospace, electronic, ship, weapon and other national defense key projects, and also can be widely used in high-reliability communications, radio equipments and instruments, automatic control and other technical fields.
Description
Technical field
The utility model belongs to the radio frequency (RF) coaxial connector technical field, is specifically related to a kind of BMA type radio frequency (RF) coaxial connector with novel semi-rigid cable syndeton.
Background technology
It is 3.6 millimeters, 2.2 millimeters semi-rigid cable that conventional BMA type connector can connect diameter, but because in recent years to the requirement of miniaturization, the cable size that requirement connects is littler, the semi-rigid cable diameter that requires reaches 1.2 millimeters at present, this cable inner conductor diameter only is 0.3 millimeter, when cable and the attaching of BMA type connector, according to conventional method, cable inner conductor can't dock with the coaxial connector inner wire, and the cable inner conductor root ruptures easily.
Summary of the invention
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of BMA type radio frequency (RF) coaxial connector with novel semi-rigid cable syndeton, can connect diameter and be 1.2 millimeters semi-rigid cable, effectively reduce difficulty when connecting cable, reliability after the attaching of raising cable, rate of finished products when especially having improved the cable inner conductor welding has improved operating efficiency.
For achieving the above object, the utility model by the following technical solutions:
A kind of BMA type radio frequency (RF) coaxial connector with novel semi-rigid cable syndeton, comprise shell 5, be arranged in the shell 5 and its fixing insulator 4, be arranged on the inner wire 1 in the insulator 4, in inner wire 1 one ends, plugged together sleeve pipe 2, cable 9 inner wires insert in the sleeve pipe 2 and and sleeve pipe 2 welding fix, in shell 5, outside cable 9 outer conductors and insulator 4 ends lining 3 is fixedly arranged.
The afterbody that plugs together sleeve pipe 2 one ends in the described inner wire 1 has cross groove.
Described lining 3 and the welding of cable 9 outer conductors.
Adopt screw 8 that lining 3 is stepped up to be fixed on 5 on cable 9 outer conductors and shell.
It is 0.5mm that described sleeve pipe 2 adopts external diameter, and wall thickness is the brass capillary of 0.1mm.
5 on described inner wire 1 and insulator 4 and shell adopt the epoxide-resin glue embedding to fix.
Have groove on the described shell 5, be placed with sealing ring 6 and conductive seal circle 7 in the groove.
The total length of described connector is 15.3mm.
The utility model is compared with prior art, has following advantage:
1, because the utility model connector has plugged together sleeve pipe 2 in inner wire 1, and with cable 9 inner wires insertion sleeve pipe 2, fixing in the head welding by sleeve pipe 2 and cable 9 inner wires, reduced the welding difficulty, improve rate of finished products and operating efficiency, and dwindled connector length;
2, the afterbody that plugs together sleeve pipe 2 one ends in inner wire 1 has cross groove, and closing in heat treatment, has guaranteed that sleeve pipe 2 and the Elastic Contact of contact pin 1 plug together;
3, lining 3 and the welding of cable 9 outer conductors have guaranteed the fixing of lining 3 and cable 9; Screw 8 is threaded with shell 5, and lining 3 is clamped, and guarantees the fixing of lining 3 and shell;
4, sleeve pipe 2 employing external diameters are 0.5mm, and wall thickness is the brass capillary of 0.1mm, and is adaptive with the cable inner conductor diameter;
5, have groove on the shell 5, be placed with sealing ring 6 and conductive seal circle 7 in the groove, guaranteed the sealing when connector and panel are installed, wherein the conductive seal circle 7, not only guaranteed sealing, and prevented the radio frequency leakage.
In sum, the utility model has guaranteed stability and the reliability after cable and the connector attaching, and the rate of finished products when having improved the cable inner conductor welding has improved operating efficiency.Especially reduce connector length, improved the complete machine space availability ratio.
Description of drawings
Fig. 1 is the utility model BMA type radio frequency (RF) coaxial connector structure assembling schematic diagram.
Fig. 2 is the utility model sleeve pipe 2, lining 3 and cable 9 welded structure enlarged diagrams.
Fig. 3 is the structure enlarged diagram after the utility model sleeve pipe 2 is inserted with 1 pair of inner wire.
Embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are described in more detail.
As shown in Figure 1, a kind of BMA type radio frequency (RF) coaxial connector with new Joining Structure of this practicality, comprise shell 5, be arranged on the insulator 4 in the shell 5, be arranged on the inner wire 1 in the insulator 4, shell 5 and insulator 4 and inner wire 1 are fixed by the epoxide-resin glue embedding, and an end that has cross groove at inner wire 1 afterbody has plugged together sleeve pipe 2, cable 9 inner wires insert in the sleeve pipe 2 and and sleeve pipe 2 welding fix, in shell 5, outside cable 9 outer conductors and insulator 4 ends lining 3 is fixedly arranged.Lining 3 and the welding of cable 9 outer conductors.Screw 8 steps up to be fixed on 5 on cable 9 outer conductors and shell with lining 3.It is 0.5mm that sleeve pipe 2 adopts external diameter, and wall thickness is the brass capillary of 0.1mm.Have groove on the shell 5, be placed with sealing ring 6 and conductive seal circle 7 in the groove.The total length of described connector is 15.3mm.
As shown in Figure 2, at first cable 9 outer conductors and lining 3 are welded, remove unnecessary cable outer conductor, keep cable insulation and stretch out bush end face 0.5mm, inner wire stretches out bush end face 4.5mm.Outside cable 9 inner wires, put sleeve pipe 2, at sleeve pipe 2 heads, with cable 9 inner wires and sleeve pipe 2 welding, remove unnecessary cable 9 inner wires then.Owing to adopted the structure of sleeve pipe 2 head welding cables 9 inner wires, solved the hidden danger that contact pin and cable inner conductor weld the cable 9 inner wire roots fracture that causes, improved the reliability after the welding.
As shown in Figure 3, after sleeve pipe 2, lining 3, cable 9 push shell 5, sleeve pipe 2 plugs together with inner wire 1 Elastic Contact, inner wire 1 afterbody has cross groove, and closing in heat treatment, guaranteed that inner wire 1 and sleeve pipe 2 Elastic Contact plug together, owing to sleeve pipe 2, lining 3 weld with cable 9 inner wires, outer conductor respectively, after sleeve pipe 2 and inner wire 1 plug together, improved the stability of cable 9 attachings.
Assembling process of the present utility model is: lining 3 and the welding of cable 9 outer conductors, sleeve pipe 2 welds at the sleeve pipe head with cable 9 inner wires, remove unnecessary cable 9 inner wires, lining 3 and sleeve pipe 2 are pushed shell 5, sleeve pipe 2 plugs together with inner wire 1 Elastic Contact, screw 8 is threaded with shell 5, lining 3 is clamped, and has realized being connected of cable 9 and connector.
Claims (8)
1. BMA type radio frequency (RF) coaxial connector with novel semi-rigid cable syndeton, comprise shell (5), be arranged in the shell (5) and its fixing insulator (4), be arranged on the inner wire (1) in the insulator (4), it is characterized in that: in inner wire (1) one end, plugged together sleeve pipe (2), cable (9) inner wire insert in the sleeve pipe (2) and and sleeve pipe (2) welding fix, in shell (5), outside cable (9) outer conductor and insulator (4) end lining (3) is fixedly arranged.
2. BMA type radio frequency (RF) coaxial connector according to claim 1, it is characterized in that: the afterbody that plugs together sleeve pipe (2) one ends in the described inner wire (1) has cross groove.
3. BMA type radio frequency (RF) coaxial connector according to claim 1 is characterized in that: described lining (3) and the welding of cable (9) outer conductor.
4. BMA type radio frequency (RF) coaxial connector according to claim 1 is characterized in that: adopt screw (8) that lining (3) is stepped up to be fixed between cable (9) outer conductor and shell (5).
5. BMA type radio frequency (RF) coaxial connector according to claim 1 is characterized in that: it is 0.5mm that described sleeve pipe (2) adopts external diameter, and wall thickness is the brass capillary of 0.1mm.
6. BMA type radio frequency (RF) coaxial connector according to claim 1 is characterized in that: adopt the epoxide-resin glue embedding to fix between described inner wire (1) and insulator (4) and between shell (5).
7. BMA type radio frequency (RF) coaxial connector according to claim 1, it is characterized in that: described shell has groove on (5), is placed with sealing ring (6) and conductive seal circle (7) in the groove.
8. BMA type radio frequency (RF) coaxial connector according to claim 1, it is characterized in that: the total length of described connector is 15.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320025408 CN203134998U (en) | 2013-01-17 | 2013-01-17 | BMA-type radio frequency coaxial connector with novel semi-rigid cable connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320025408 CN203134998U (en) | 2013-01-17 | 2013-01-17 | BMA-type radio frequency coaxial connector with novel semi-rigid cable connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203134998U true CN203134998U (en) | 2013-08-14 |
Family
ID=48942941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320025408 Expired - Fee Related CN203134998U (en) | 2013-01-17 | 2013-01-17 | BMA-type radio frequency coaxial connector with novel semi-rigid cable connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203134998U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226439A (en) * | 2015-10-28 | 2016-01-06 | 四川永贵科技有限公司 | The fixed structure of connector insulator in shell |
| CN107248633A (en) * | 2017-07-20 | 2017-10-13 | 陕西金信诺电子技术有限公司 | A kind of SMP types radio frequency (RF) coaxial connector |
| CN109904687A (en) * | 2019-02-18 | 2019-06-18 | 苏州华旃航天电器有限公司 | Novel fire resistant, high-pressure water vapor sealing N-K type terminate cable radio frequency coaxial connector |
| CN112713438A (en) * | 2020-12-18 | 2021-04-27 | 京信网络系统股份有限公司 | Connector flange, connector and method for mounting connector |
-
2013
- 2013-01-17 CN CN 201320025408 patent/CN203134998U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226439A (en) * | 2015-10-28 | 2016-01-06 | 四川永贵科技有限公司 | The fixed structure of connector insulator in shell |
| CN107248633A (en) * | 2017-07-20 | 2017-10-13 | 陕西金信诺电子技术有限公司 | A kind of SMP types radio frequency (RF) coaxial connector |
| CN109904687A (en) * | 2019-02-18 | 2019-06-18 | 苏州华旃航天电器有限公司 | Novel fire resistant, high-pressure water vapor sealing N-K type terminate cable radio frequency coaxial connector |
| CN112713438A (en) * | 2020-12-18 | 2021-04-27 | 京信网络系统股份有限公司 | Connector flange, connector and method for mounting 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 |
Granted publication date: 20130814 Termination date: 20160117 |
|
| EXPY | Termination of patent right or utility model |