CN104051885A - High-temperature-resistant floating welding type radio-frequency coaxial cable connector - Google Patents
High-temperature-resistant floating welding type radio-frequency coaxial cable connector Download PDFInfo
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- CN104051885A CN104051885A CN201410332620.5A CN201410332620A CN104051885A CN 104051885 A CN104051885 A CN 104051885A CN 201410332620 A CN201410332620 A CN 201410332620A CN 104051885 A CN104051885 A CN 104051885A
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Abstract
The invention provides a high-temperature-resistant floating welding type radio-frequency coaxial cable connector. The high-temperature-resistant floating welding type radio-frequency coaxial cable connector comprises a shell, a ceramic insulator, an outer contact element, two inner contact elements, two springs, an inner conductor, a ceramic supporting piece and a welded tube, wherein the inner conductor, the ceramic insulator and the shell are sequentially nested in a close fit mode from inside to outside, the ceramic insulator is axially fixed by the outer contact element, the front end and the rear end of the inner conductor are respectively provided with one inward-concave insertion hole, and the two springs are arranged in the two inward-concave insertion holes respectively. The high-temperature-resistant floating welding type radio-frequency coaxial cable connector is simple in structure and ingenious in design, will not soften or deform at a high temperature due to the adoption of a high-temperature-resistant ceramic insulation material, and prevents the situations that a connection mechanism between a cable and a female connector becomes poorer in retentivity at a high temperature and normal signal transmission is affected.
Description
Technical field
The present invention relates to communications connector technical field, relate in particular to a kind of high temperature resistant unsteady welding type radio frequency coaxial-cable connector.
Background technology
Radio frequency (RF) coaxial connector is a kind of electromechanical compo, and its function, except mechanical connection signal transmission system, be the more important thing is and transmitted in high quality radio-frequency (RF) energy and signal.Fast development along with aeronautical and space technology and nuclear industry, in some special occasions, as in the nuclear island of the flame jeting area of carrier rocket, nuclear power station, in smelting iron and steel stove high-temperature area, chemical reaction kettle, the occasion such as turbojet is other, all require to use working temperature to surpass 600 ℃ low-loss, low standing wave, high-power, high shielding, resistance to irradiation, ageing-resistant, long-life highly reliable radio-frequency cable component.On market, popular various its maximum operating temperatures of general radio frequency coaxial connector are 165 ℃ now, far can not meet this requirement.When ambient temperature surpasses, these connectors must or melt due to the softening of insulating part and lose efficacy, and can badly influence the electrical property of radio frequency (RF) coaxial connector.
Summary of the invention
The technical problem to be solved in the present invention is: lower in order to solve the heat resisting temperature of existing radio frequency (RF) coaxial connector, in temperature, surpass the problem that can badly influence the electrical property of connector under the hot operation annular of 600 ℃, the invention provides a kind of high temperature resistant unsteady welding type radio frequency coaxial-cable connector by adopting resistant to elevated temperatures insulating material and the bindiny mechanism of axial float can being provided, guarantee that at high temperature cable and female transmitting solve the problems referred to above.
The technical solution adopted for the present invention to solve the technical problems is: a kind of high temperature resistant unsteady welding type radio frequency coaxial-cable connector, comprise shell, ceramics insulator, outer contacting part, two interior contacts, two springs, inner wire, ceramic support sheet and welded pipe, described inner wire, ceramics insulator and shell be nested and close-fitting successively from the inside to the outside, described ceramics insulator is by described outer contacting part axial restraint, the rear and front end of described inner wire has respectively an indent jack, described two springs are separately positioned in two described indent jacks, described interior contact comprises the head being connected as a single entity successively, pars intermedia and afterbody, two described heads extend into respectively in described two indent jacks and with one end of described spring and contact, the diameter of described head matches with the internal diameter of described indent jack, the opening part of described indent jack has limited step, between described head and pars intermedia, have stopper slot, described limited step embeds in described stopper slot, described two interior contacts are divided into the first interior contact being connected with female and the second interior contact being connected with cable, the afterbody of described the second interior contact offers the pilot hole matching with the core line diameter of described cable in aperture, described ceramic support sheet and welded pipe have respectively a through hole matching with the core line diameter of described cable, the tail end of described shell is also arranged with the tail shell fixing with described cable, for welded pipe is leaned to the afterbody at described the second interior contact, the head of described shell be also fixed with for the interconnected adapter sleeve of described female.
As preferably, in described shell, there is successively from front to back in the axial direction the first through hole, the second through hole and third through-hole, described the first through hole excessively arrives described the second through hole by the first planar annular perpendicular to axial direction, described the second through hole excessively arrives described third through-hole by the second planar annular perpendicular to axial direction, the external diameter of described ceramics insulator is less than the diameter of described the first through hole, the diameter that equals the diameter of described the second through hole and be greater than described third through-hole, the axial length of described the second through hole is slightly less than the length of described ceramics insulator, in described outer contacting part, once there is in the axial direction fourth hole and fifth hole afterwards in the past, described fourth hole excessively arrives described fifth hole by the 3rd planar annular perpendicular to axial direction, the external diameter of described outer contacting part equals the diameter of described the first through hole, the diameter of described fourth hole is less than the external diameter of described ceramics insulator, the diameter of described fifth hole equals the external diameter of described ceramics insulator, the axial length of described fifth hole equals length poor of described the second through hole and described ceramics insulator, described ceramics insulator is nested in described the second through hole and fore-end extend in described the first through hole, described outer contacting part inserts and fixes along described the first through hole, the rear end face of described outer contacting part withstands described the first planar annular, described the 3rd planar annular withstands the front end face of described ceramics insulator, and the rear end face of described ceramics insulator leans on described the second planar annular, ceramics insulator is in the axial direction by firm the fixing of described outer contacting part.
Concrete, described inner wire also comprises the connecting portion being connected between described two indent jacks, the diameter of described connecting portion is less than the external diameter of described indent jack and equates with the internal diameter of described ceramics insulator, described ceramics insulator is set on described connecting portion, and the axial length of described connecting portion is identical with the length of described ceramics insulator, thereby make described ceramics insulator relative with described inner wire fixing, the internal diameter of described indent jack matches with the external diameter of described spring, the outer rim of described spring just in time contacts with the inwall of described indent jack, free-extension stably, the pressure of receiving when interior contact is not in the axial direction time, guarantee that spring can not produce distortion, the good contact of contact and described spring in guaranteeing.
In order to improve the stability being connected between interior contact and spring, in guaranteeing under the effect of pressure, contact reliably contacts with described spring, the head of described interior contact also has cone boss, and described cone boss sinks into described spring in the end of described spring.
As preferably, described in each, on indent jack, all offer two axial vertical slots, because the head diameter of interior contact is greater than the internal diameter of described limited step, so vertical slot can slightly open indent jack when head stretches in described indent jack, be convenient to the insertion of head; The slightly larger in diameter of described pars intermedia is excessive in described pars intermedia by the taper surface of an enlarged-diameter in diameter and the described stopper slot of described stopper slot, head inserts after indent jack, limited step coordinates with stopper slot, prevent that described head from exiting from indent jack, by taper surface excessively, when the afterbody of interior contact is received pressure, in the insertion indent jack that pars intermedia can be level and smooth, also move forward and backward vertically, produce axial float, between interior contact and inner wire, keep in touch pressure, guarantee cable and female transmitting.
Concrete, in described tail shell, there is successively from front to back vertically the 6th through hole, the 7th through hole and the 8th through hole, the tail end of described shell has external screw thread, described the 6th through hole has adaptive described externally threaded internal thread, the diameter of described the 7th through hole equals the external diameter of described ceramic support sheet, the diameter of described the 8th through hole equals the external diameter of described cable, described the 7th through hole is by the 4th planar annular perpendicular to axial direction excessively to described the 8th through hole, and the rear end face of described ceramic support sheet leans on described the 4th planar annular.
Concrete, the material of described spring is high-temperature alloy.
The invention has the beneficial effects as follows, this high temperature resistant unsteady welding type radio frequency coaxial-cable connector construction is simple, design ingenious, adopt resistant to elevated temperatures ceramic insulating material, can softening transform during high temperature, avoided bindiny mechanism's confining force when high temperature between cable and female to weaken, affect the situation of signal normal transmission; Inner wire is connected with two interior contacts that have been connected respectively female and cable by spring, guarantee the contact between two interior contacts and inner wire, two interior contacts have certain floating space in the axial direction, thereby eliminate the contact gap that connector produces because of distortion in high temperature, guarantee the transmitting of signal.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the cutaway view of the optimum embodiment of the high temperature resistant unsteady welding type radio frequency coaxial-cable connector of the present invention.
Fig. 2 is confined explosion's schematic diagram of high temperature resistant unsteady welding type radio frequency coaxial-cable connector of the present invention.
In figure 1, adapter sleeve, 2, the first interior contact, 2 ', the second interior contact, 3, outer contacting part, 4, spring, 5, shell, 6, ceramics insulator, 7, inner wire, 8, welded pipe, 9, ceramic support sheet, 10, tail shell, 11, cable, 21 heads, 22 pars intermedias, 23 afterbodys, 24 stopper slots, 25 cone bosses, 26, pilot hole, 31 fourth holes, 32 fifth holes, 33 the 3rd planar annulars, 51 first through holes, 52 second through holes, 53 third through-holes, 54 first planar annulars, 55 second planar annulars, 71 indent jacks, 72 connecting portions, 73 limited steps, 74 vertical slots, 101 the 6th through holes, 102 the 7th through holes, 103 the 8th through holes, 104 the 4th planar annulars, 111 heart yearns.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention is only described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1 and 2, the invention provides a kind of high temperature resistant unsteady welding type radio frequency coaxial-cable connector, comprise shell 5, ceramics insulator 6, outer contacting part 3, two interior contacts, two springs 4, inner wire 7, ceramic support sheet 9 and welded pipe 8, the material of spring 4 is high-temperature alloy, inner wire 7, ceramics insulator 6 and shell 5 be nested and close-fitting successively from the inside to the outside, in shell 5, there is successively from front to back in the axial direction the first through hole 51, the second through hole 52 and third through-hole 53, the first through hole 51 passes through the first planar annular 54 perpendicular to axial direction excessively to the second through hole 52, the second through hole 52 excessively arrives third through-hole 53 by the second planar annular 55 perpendicular to axial direction, the external diameter of ceramics insulator 6 is less than the diameter of the first through hole 51, the diameter that equals the diameter of the second through hole 52 and be greater than third through-hole 53, the axial length of the second through hole 52 is slightly less than the length of ceramics insulator 6, in outer contacting part 3, once there is in the axial direction fourth hole 31 and fifth hole 32 afterwards in the past, fourth hole 31 excessively arrives fifth hole 32 by the 3rd planar annular 33 perpendicular to axial direction, the external diameter of outer contacting part 3 equals the diameter of the first through hole 51, the diameter of fourth hole 31 is less than the external diameter of ceramics insulator 6, the diameter of fifth hole 32 equals the external diameter of ceramics insulator 6, the axial length of fifth hole 32 equals length poor of the second through hole 52 and ceramics insulator 6, ceramics insulator 6 is nested in the second through hole 52 and fore-end extend in the first through hole 51, outer contacting part 3 inserts and fixes along the first through hole 51, the rear end face of outer contacting part 3 withstands the first planar annular 54, the 3rd planar annular 33 withstands the front end face of ceramics insulator 6, and the rear end face of ceramics insulator 6 leans on the second planar annular 55, ceramics insulator 6 is in the axial direction by firm the fixing of outer contacting part 3, the rear and front end of inner wire 7 has respectively an indent jack 71, two springs 4 are separately positioned in two indent jacks 71, between two indent jacks 71, by connecting portion 72, connect, the diameter of connecting portion 72 is less than the external diameter of indent jack 71 and equates with the internal diameter of ceramics insulator 6, ceramics insulator 6 is set on connecting portion 72, and the axial length of connecting portion 72 is identical with the length of ceramics insulator 6, thereby make ceramics insulator 6 relative with inner wire 7 fixing, interior contact comprises the head 21 being connected as a single entity successively, pars intermedia 22 and afterbody 23, two heads 21 extend into respectively in two indent jacks 71 and with one end of spring 4 and contact, the diameter of head 21 matches with the internal diameter of indent jack 71, the head 21 of interior contact also has cone boss 25, cone boss 25 sinks into spring 4 in the end of spring 4, this is the stability being connected between interior contact and spring 4 in order to improve, in guaranteeing under the effect of pressure, contact reliably contacts with spring 4, the opening part of indent jack 71 has limited step 73, between head 21 and pars intermedia 22, have stopper slot 24, limited step 73 embeds in stopper slot 24, the internal diameter of indent jack 71 matches with the external diameter of spring 4, the outer rim of spring 4 just in time contacts with the inwall of indent jack 71, free-extension stably, the pressure of receiving when interior contact is not in the axial direction time, guarantee that spring 4 can not produce distortion, the good contact of contact and spring 4 in guaranteeing, on each indent jack 71, all offer two axial vertical slots 74, because head 21 diameters of interior contact are greater than the internal diameter of limited step 73, so vertical slot 74 can slightly open indent jack 71 when head 21 stretches in indent jack 71, be convenient to the insertion of head 21, in the diameter of stopper slot 24 and stopper slot 24, the taper surface by an enlarged-diameter excessively arrives pars intermedia 22 to the slightly larger in diameter of pars intermedia 22, head 21 inserts after indent jack 71, limited step 73 coordinates with stopper slot 24, prevent that head 21 from exiting from indent jack 71, by taper surface excessively, when the afterbody 23 of interior contact is received pressure, in the insertion indent jack 71 that pars intermedia 22 can be level and smooth, also move forward and backward vertically, produce axial float, between interior contact and inner wire 7, keep in touch pressure, guarantee cable 11 and female transmitting, two interior contacts are divided into the first interior contact 2 being connected with female and the second interior contact 2 ' being connected with cable 11, the afterbody 23 of the second interior contact 2 ' offers the pilot hole 26 matching with heart yearn 111 diameters of cable 11 in aperture, ceramic support sheet 9 and welded pipe 8 have respectively a through hole matching with heart yearn 111 diameters of cable 11, the tail end of shell 5 is also arranged with the tail shell 10 fixing with cable 11, in tail shell 10, there is successively from front to back vertically the 6th through hole 101, the 7th through hole 102 and the 8th through hole 103, the tail end of shell 5 has external screw thread, the 6th through hole 101 has adaptive externally threaded internal thread, the diameter of the 7th through hole 102 equals the external diameter of ceramic support sheet 9, the diameter of the 8th through hole 103 equals the external diameter of cable 11, the 7th through hole 102 passes through the 4th planar annular 104 perpendicular to axial direction excessively to the 8th through hole 103, the rear end face of ceramic support sheet 9 leans on the 4th planar annular 104, the head 21 of shell 5 be also fixed with for the interconnected adapter sleeve 1 of female.
While using this high temperature resistant unsteady welding type radio frequency coaxial-cable connector to connect female and cable 11, first cable 11 is stripped to the heart yearn 111 that exposes cable 11 by size, penetrate ceramic support sheet 9 and welded pipe 8, heart yearn 111 and welded pipe 8 high temperature laser weldings, then tail shell 10 is put, by cable 11 and tail shell 10 high temperature laser weldings, tail shell 10 spins with shell 5 screw thread screw threads, in the process of spinning, welded pipe 8 and the second interior contact 2 ', heart yearn 111 enters in the pilot hole 26 of the second interior contact 2 ' smoothly, it is interconnected that adapter sleeve 1 and supporting female realize interworking, outer contacting part 3 contacts coincidence by front end face with the interface of female, inner wire 7 parts are floated by the force compresses generation that is subject to of two interior contacts, thereby the contact gap that makes inner wire 7 can keep in touch pressure and eliminate under hot conditions makes signal normal transmission, avoid bindiny mechanism's confining force at high temperature to weaken losing efficacy and affect the electrical property of connector.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (7)
1. a high temperature resistant unsteady welding type radio frequency coaxial-cable connector, it is characterized in that: comprise shell, ceramics insulator, outer contacting part, two interior contacts, two springs, inner wire, ceramic support sheet and welded pipe, described inner wire, ceramics insulator and shell be nested and close-fitting successively from the inside to the outside, described ceramics insulator is by described outer contacting part axial restraint, the rear and front end of described inner wire has respectively an indent jack, described two springs are separately positioned in two described indent jacks, described interior contact comprises the head being connected as a single entity successively, pars intermedia and afterbody, two described heads extend into respectively in described two indent jacks and with one end of described spring and contact, the diameter of described head matches with the internal diameter of described indent jack, the opening part of described indent jack has limited step, between described head and pars intermedia, have stopper slot, described limited step embeds in described stopper slot, described two interior contacts are divided into the first interior contact being connected with female and the second interior contact being connected with cable, the afterbody of described the second interior contact offers the pilot hole matching with the core line diameter of described cable in aperture, described ceramic support sheet and welded pipe have respectively a through hole matching with the core line diameter of described cable, the tail end of described shell is also arranged with the tail shell fixing with described cable, for welded pipe is leaned to the afterbody at described the second interior contact, the head of described shell be also fixed with for the interconnected adapter sleeve of described female.
2. high temperature resistant unsteady welding type radio frequency coaxial-cable connector as claimed in claim 1, it is characterized in that: in described shell, there is successively from front to back in the axial direction the first through hole, the second through hole and third through-hole, described the first through hole excessively arrives described the second through hole by the first planar annular perpendicular to axial direction, described the second through hole excessively arrives described third through-hole by the second planar annular perpendicular to axial direction, the external diameter of described ceramics insulator is less than the diameter of described the first through hole, the diameter that equals the diameter of described the second through hole and be greater than described third through-hole, the axial length of described the second through hole is slightly less than the length of described ceramics insulator, in described outer contacting part, once there is in the axial direction fourth hole and fifth hole afterwards in the past, described fourth hole excessively arrives described fifth hole by the 3rd planar annular perpendicular to axial direction, the external diameter of described outer contacting part equals the diameter of described the first through hole, the diameter of described fourth hole is less than the external diameter of described ceramics insulator, the diameter of described fifth hole equals the external diameter of described ceramics insulator, the axial length of described fifth hole equals length poor of described the second through hole and described ceramics insulator.
3. high temperature resistant unsteady welding type radio frequency coaxial-cable connector as claimed in claim 1, it is characterized in that: described inner wire also comprises the connecting portion being connected between described two indent jacks, the diameter of described connecting portion is less than the external diameter of described indent jack and equates with the internal diameter of described ceramics insulator, the axial length of described connecting portion is identical with the length of described ceramics insulator, and the internal diameter of described indent jack matches with the external diameter of described spring.
4. high temperature resistant unsteady welding type radio frequency coaxial-cable connector as claimed in claim 1, is characterized in that: the head of described interior contact also has cone boss, and described cone boss sinks into described spring in the end of described spring.
5. high temperature resistant unsteady welding type radio frequency coaxial-cable connector as claimed in claim 1, it is characterized in that: described in each, on indent jack, all offer two axial vertical slots, the slightly larger in diameter of described pars intermedia is excessive in described pars intermedia by the taper surface of an enlarged-diameter in diameter and the described stopper slot of described stopper slot.
6. high temperature resistant unsteady welding type radio frequency coaxial-cable connector as claimed in claim 1, it is characterized in that: in described tail shell, there is successively from front to back vertically the 6th through hole, the 7th through hole and the 8th through hole, the tail end of described shell has external screw thread, described the 6th through hole has adaptive described externally threaded internal thread, the diameter of described the 7th through hole equals the external diameter of described ceramic support sheet, the diameter of described the 8th through hole equals the external diameter of described cable, described the 7th through hole excessively arrives described the 8th through hole by the 4th planar annular perpendicular to axial direction, the rear end face of described ceramic support sheet leans on described the 4th planar annular.
7. high temperature resistant unsteady welding type radio frequency coaxial-cable connector as claimed in claim 1, is characterized in that: the material of described spring is high-temperature alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332620.5A CN104051885B (en) | 2014-07-14 | 2014-07-14 | High temperature resistant floating welding type radio frequency coaxial-cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332620.5A CN104051885B (en) | 2014-07-14 | 2014-07-14 | High temperature resistant floating welding type radio frequency coaxial-cable connector |
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| CN104051885A true CN104051885A (en) | 2014-09-17 |
| CN104051885B CN104051885B (en) | 2016-02-10 |
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| CN201410332620.5A Expired - Fee Related CN104051885B (en) | 2014-07-14 | 2014-07-14 | High temperature resistant floating welding type radio frequency coaxial-cable connector |
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| CN105140738A (en) * | 2015-06-30 | 2015-12-09 | 张家港金海港电线电缆有限公司 | Rapid cable joint |
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| CN109473837A (en) * | 2018-07-13 | 2019-03-15 | 上海雷迪埃电子有限公司 | Punching stretch radio frequency connector |
| DE102018120480A1 (en) * | 2018-08-22 | 2020-02-27 | Te Connectivity Germany Gmbh | Contact device and system |
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| CN110932010A (en) * | 2019-12-11 | 2020-03-27 | 四川华丰企业集团有限公司 | Coaxial connector contact element and manufacturing method thereof |
| CN111200203A (en) * | 2018-11-16 | 2020-05-26 | 神讯电脑(昆山)有限公司 | Electronic device and antenna connector |
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| CN111480083A (en) * | 2017-12-14 | 2020-07-31 | 英冈测试设备有限责任公司 | High frequency test connector device, high frequency test system and use thereof |
| CN109473837A (en) * | 2018-07-13 | 2019-03-15 | 上海雷迪埃电子有限公司 | Punching stretch radio frequency connector |
| CN109473837B (en) * | 2018-07-13 | 2023-09-26 | 上海雷迪埃电子有限公司 | Stamping stretching radio frequency connector |
| DE102018120480A1 (en) * | 2018-08-22 | 2020-02-27 | Te Connectivity Germany Gmbh | Contact device and system |
| DE102018120480B4 (en) | 2018-08-22 | 2022-04-28 | Te Connectivity Germany Gmbh | Contact device and system |
| CN111200203B (en) * | 2018-11-16 | 2021-07-13 | 神讯电脑(昆山)有限公司 | Electronic device and antenna connector |
| CN111200203A (en) * | 2018-11-16 | 2020-05-26 | 神讯电脑(昆山)有限公司 | Electronic device and antenna connector |
| CN110867708B (en) * | 2019-12-11 | 2021-06-18 | 四川华丰科技股份有限公司 | Coaxial connector |
| CN110932010B (en) * | 2019-12-11 | 2021-10-15 | 四川华丰科技股份有限公司 | Coaxial connector contact element and manufacturing method thereof |
| CN110932010A (en) * | 2019-12-11 | 2020-03-27 | 四川华丰企业集团有限公司 | Coaxial connector contact element and manufacturing method thereof |
| CN110867708A (en) * | 2019-12-11 | 2020-03-06 | 四川华丰企业集团有限公司 | Coaxial connector |
| CN114725723A (en) * | 2022-03-31 | 2022-07-08 | 周新 | Electric connector coated with conductive coating |
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| CN104051885B (en) | 2016-02-10 |
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