CN213026561U - Radio frequency coaxial cable disconnection-preventing connecting structure - Google Patents
Radio frequency coaxial cable disconnection-preventing connecting structure Download PDFInfo
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- CN213026561U CN213026561U CN202021792562.1U CN202021792562U CN213026561U CN 213026561 U CN213026561 U CN 213026561U CN 202021792562 U CN202021792562 U CN 202021792562U CN 213026561 U CN213026561 U CN 213026561U
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- coaxial cable
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Abstract
The utility model provides a radio frequency coaxial cable disconnection-preventing connecting structure, which is used for connecting a radio frequency coaxial cable with a multi-core connector and comprises an installation flexible wire I, an installation flexible wire II, a heat-shrinkable sleeve I, a heat-shrinkable sleeve II, a heat-shrinkable sleeve III, a heat-shrinkable sleeve IV and a heat-shrinkable sleeve V; the mounting flexible wire I and the mounting flexible wire II are respectively butted with a shielding layer and a core wire of the radio frequency coaxial cable in the same direction, and a heat-shrinkable sleeve I and a heat-shrinkable sleeve II are sleeved outside the two butted parts respectively; the installation flexible wire I and the installation flexible wire II are respectively butted with the multi-core connector wiring terminal after being folded back; the heat-shrinkable sleeve III is sleeved with the heat-shrinkable sleeve I and the folded part of the installation cord I; the heat-shrinkable sleeve IV is sleeved with the heat-shrinkable sleeve II and the folded part of the installation flexible wire II; and the heat-shrinkable sleeve III, the heat-shrinkable sleeve IV and the radio frequency coaxial cable with the external insulating sheath are sleeved with the heat-shrinkable sleeve V to form a whole. The utility model discloses can effectively prevent the fracture of radio frequency coaxial cable and multicore connector butt joint department.
Description
Technical Field
The utility model relates to an electron dress allies oneself with technical field, concretely relates to radio frequency coaxial cable prevents broken string connection structure.
Background
In military products or civil products developed at present, radio frequency coaxial cables are generally adopted for transmitting radio frequency signals, and if the radio frequency coaxial cables are directly attached to matched radio frequency coaxial connectors and are directly attached according to requirements, reliable connection can be realized, but the practical application condition is as follows: the actual demand and the equipment interconnection requirement of specific products make the radio frequency coaxial cable need directly weld on the binding post of multicore connector for the radio frequency coaxial cable, because the insulating crust pliability of radio frequency coaxial cable is poor, bending stress is big, the heart yearn sectional area is tiny, the heart yearn of radio frequency cable and crust directly weld on the connector terminal, in the pull-plug of connector and equipment test, use, the wiring point receives the effect of mechanical stress such as vibration, impact, tractive, very easily takes place the radio frequency cable phenomenon of breaking a wire.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a radio frequency coaxial cable prevents disconnected line connection structure can effectively prevent the fracture of radio frequency coaxial cable and multicore connector butt joint department.
The utility model adopts the following technical scheme:
a radio frequency coaxial cable disconnection-preventing connecting structure is used for connecting a radio frequency coaxial cable with a multi-core connector and comprises an installation flexible wire I, an installation flexible wire II, a heat-shrinkable sleeve I, a heat-shrinkable sleeve II, a heat-shrinkable sleeve III, a heat-shrinkable sleeve IV and a heat-shrinkable sleeve V;
the mounting flexible wire I and the mounting flexible wire II are respectively butted with a shielding layer and a core wire of the radio frequency coaxial cable in the same direction, and a heat-shrinkable sleeve I and a heat-shrinkable sleeve II are sleeved outside the two butted parts respectively; the installation flexible wire I and the installation flexible wire II are respectively butted with the multi-core connector wiring terminal after being folded back; the heat-shrinkable sleeve III is sleeved with the heat-shrinkable sleeve I and the folded part of the installation cord I; the heat-shrinkable sleeve IV is sleeved with the heat-shrinkable sleeve II and the folded part of the installation flexible wire II; and the heat-shrinkable sleeve III, the heat-shrinkable sleeve IV and the radio frequency coaxial cable with the external insulating sheath are sleeved with the heat-shrinkable sleeve V to form a whole.
Furthermore, the length of the radio frequency coaxial cable with the insulating skin sleeved in the heat-shrinkable sleeve V is not less than 5 mm.
Further, the length of the end part of the heat-shrinkable sleeve III, which exceeds the end part of the heat-shrinkable sleeve I, is at least 2mm, and the length of the end part of the heat-shrinkable sleeve IV, which exceeds the end part of the heat-shrinkable sleeve II, is at least 2 mm; the end portions are all towards one end of the multi-core connector.
Has the advantages that:
1. the utility model discloses an installation patchcord switching, and the butt joint of installation patchcord and radio frequency coaxial cable's heart yearn, shielding layer take equidirectional inflection butt joint mode respectively to take heat shrinkage bush protection and fixed respectively at butt joint position, wire inflection position and the whole butt joint position of cable, avoided butt joint position to directly receive mechanical stress and take place the cracked phenomenon of wire, connect reliably, simple structure.
2. The utility model discloses the suit is not less than 5mm at the radio frequency coaxial cable length of the outband insulation skin in heat-shrinkable bush V, and the reliability is higher, difficult fracture.
3. The utility model discloses III tip of heat shrinkable tube surpasss I tip length of heat shrinkable tube 2mm at least, and IV tip of heat shrinkable tube surpasss II tip length of heat shrinkable tube 2mm at least, have further improved the reliability of connecting.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
the method comprises the following steps of 1-installing a flexible wire I, 2-a heat-shrinkable sleeve I, 3-a heat-shrinkable sleeve III, 4-installing a flexible wire II, 5-a heat-shrinkable sleeve II, 6-a heat-shrinkable sleeve IV, 7-a heat-shrinkable sleeve V, 8-a core wire of a radio frequency coaxial cable, 9-the radio frequency coaxial cable, 10-a shielding layer, 11-a folding part and 12-a multi-core connector.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
The embodiment provides a radio frequency coaxial cable disconnection-preventing connecting structure, as shown in fig. 1, the connecting structure is used for connecting a radio frequency coaxial cable 9 and a multi-core connector 12, and the connecting structure comprises an installation flexible wire i 1, an installation flexible wire ii 4, a heat-shrinkable bush i 2, a heat-shrinkable bush ii 5, a heat-shrinkable bush iii 3, a heat-shrinkable bush iv 6 and a heat-shrinkable bush v 7.
The installation patchcord I1 is butted with a shielding layer 10 of a radio frequency coaxial cable 9 in the same direction, a heat-shrinkable sleeve I2 is sleeved at the butted part of the installation patchcord I1 and the shielding layer 10, the installation patchcord I1 is butted with a wiring terminal of a multi-core connector 12 after being folded back, and the heat-shrinkable sleeve I2 and a folded back part 11 of the installation patchcord I1 are sleeved in the heat-shrinkable sleeve III 3. The end part of the heat-shrinkable sleeve III 3 exceeds the length l of the end part of the heat-shrinkable sleeve I22At least 2mm, which are both ends facing the multiconnector 12.
The installation flexible wire II 4 is in butt joint with a core wire 8 of the radio frequency coaxial cable in the same direction, an insulating layer is removed from the end part of the core wire 8 of the radio frequency coaxial cable, a heat-shrinkable sleeve II 5 is sleeved on the butt joint part of the installation flexible wire II 4 and the core wire 8 of the radio frequency coaxial cable, the installation flexible wire II 4 is in butt joint with a wiring terminal of a multi-core connector 12 after being folded back, and the heat-shrinkable sleeve IV 6 is sleeved inside the heat-shrinkable sleeve II 5 and a folded part 11 of the installation flexible. The end of the heat-shrinkable sleeve IV 6 exceeds the end of the heat-shrinkable sleeve II 5 by a length l3At least 2mm, which are both ends facing the multiconnector 12.
A heat-shrinkable sleeve V7 is sleeved outside the heat-shrinkable sleeve II 5, the heat-shrinkable sleeve IV 6 and the radio frequency coaxial cable 9 with the external insulating sheath and is integrated. The length l of the radio frequency coaxial cable 9 with the insulating sheath sleeved in the heat-shrinkable sleeve V71Not less than 5 mm.
When the radio frequency coaxial cable 9 is connected with the multi-core connector 12, in a preferred embodiment, the installation cords I1 and II 4 with the length of 50mm and the sectional area of 0.15mm are selected2～0.35mm2Specific cross sectional areaThe matching is adapted to the cross-sectional area of the core wire 8 of the radio frequency coaxial cable.
Removing 15-20 mm of an outer insulating skin from the butt joint end part of the radio frequency coaxial cable 9, and separating and independently extracting a shielding layer 10 in the cable; removing the insulating layer of the core wire 8 of the radio frequency coaxial cable by 4-6 mm; removing insulation skins at two ends of the installation flexible wire I1 and the installation flexible wire II 4 by 4-6 mm;
the shielding layer 10 and the core wire of the radio frequency coaxial cable 9 are respectively butted with an installation flexible wire I1 and an installation flexible wire II 4 in the same direction, wherein the butt joint in the same direction means that the shielding layer 10 and the end part of the installation flexible wire I1 face the same direction, and the core wire and the end part of the installation flexible wire II 4 face the same direction; the butt joint is realized by welding.
The butt joint back solder joint is protected with the heat shrinkage bush, and two butt joint parts are overlapped respectively and are equipped with heat shrinkage bush I2, heat shrinkage bush II 5, and heat shrinkage bush I2, heat shrinkage bush II 5 length are 10mm ~ 12 mm.
Folding the installation flexible wire I1 and the installation flexible wire II 4 which are butted by 10-12 mm, sleeving a heat-shrinkable sleeve in a splicing welding point and a folding part of the installation flexible wire together for protection and fixation, wherein as shown in figure 1, the heat-shrinkable sleeve III 3 sleeves a heat-shrinkable sleeve I2 and the folding part 11 of the installation flexible wire I1, the heat-shrinkable sleeve IV 6 sleeves a heat-shrinkable sleeve II 5 and the folding part 11 of the installation flexible wire II 4, the lengths of the heat-shrinkable sleeve III 3 and the heat-shrinkable sleeve IV 6 are both 15-18 mm, the length of the end part of the heat-shrinkable sleeve III 3 exceeding the end part of the heat-shrinkable sleeve I2 is at least 2mm, and the length of the end part of the heat-shrinkable sleeve IV 6 exceeding the end part of the; the ends are each one end facing the multiconnector 12.
The heat-shrinkable sleeve III 3, the heat-shrinkable sleeve IV 6 and the radio-frequency coaxial cable 9 with the external insulating sheath are externally sheathed with a heat-shrinkable sleeve V7 and are integrally reinforced, the length of the heat-shrinkable sleeve V7 is 25 mm-30 mm, and the length of the radio-frequency coaxial cable 9 with the insulating sheath sheathed in the heat-shrinkable sleeve V7 is not less than 5 mm.
The other ends of the installation flexible wires I1 and the installation flexible wires II 4 after butt joint are welded on the wiring terminals of the designated multi-core connector 12, so that the electrical communication between the radio frequency coaxial cable 9 and the multi-core connector 12 is realized, and the reliable connection between the radio frequency cable and the multi-core connector 12 is completed.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A radio frequency coaxial cable disconnection-preventing connecting structure is characterized in that the connecting structure is used for connecting a radio frequency coaxial cable with a multi-core connector, and comprises an installation flexible wire I, an installation flexible wire II, a heat-shrinkable sleeve I, a heat-shrinkable sleeve II, a heat-shrinkable sleeve III, a heat-shrinkable sleeve IV and a heat-shrinkable sleeve V;
the mounting flexible wire I and the mounting flexible wire II are respectively butted with a shielding layer and a core wire of the radio frequency coaxial cable in the same direction, and a heat-shrinkable sleeve I and a heat-shrinkable sleeve II are sleeved outside the two butted parts respectively; the installation flexible wire I and the installation flexible wire II are respectively butted with the multi-core connector wiring terminal after being folded back; the heat-shrinkable sleeve III is sleeved with the heat-shrinkable sleeve I and the folded part of the installation cord I; the heat-shrinkable sleeve IV is sleeved with the heat-shrinkable sleeve II and the folded part of the installation flexible wire II; and the heat-shrinkable sleeve III, the heat-shrinkable sleeve IV and the radio frequency coaxial cable with the external insulating sheath are sleeved with the heat-shrinkable sleeve V to form a whole.
2. The disconnection preventing connection structure of a radio frequency coaxial cable according to claim 1, wherein the length of the radio frequency coaxial cable with the insulating sheath housed in the heat-shrinkable sleeve v is not less than 5 mm.
3. The radio frequency coaxial cable disconnection preventing connection structure of claim 1, wherein the length of the end of the heat-shrinkable sleeve iii exceeds the length of the end of the heat-shrinkable sleeve i by at least 2mm, and the length of the end of the heat-shrinkable sleeve iv exceeds the length of the end of the heat-shrinkable sleeve ii by at least 2 mm; the end portions are all towards one end of the multi-core connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021792562.1U CN213026561U (en) | 2020-08-25 | 2020-08-25 | Radio frequency coaxial cable disconnection-preventing connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021792562.1U CN213026561U (en) | 2020-08-25 | 2020-08-25 | Radio frequency coaxial cable disconnection-preventing connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213026561U true CN213026561U (en) | 2021-04-20 |
Family
ID=75471905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021792562.1U Active CN213026561U (en) | 2020-08-25 | 2020-08-25 | Radio frequency coaxial cable disconnection-preventing connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213026561U (en) |
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2020
- 2020-08-25 CN CN202021792562.1U patent/CN213026561U/en active Active
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