CN201498569U - Rigid coaxial 90-degree feeder bend - Google Patents
Rigid coaxial 90-degree feeder bend Download PDFInfo
- Publication number
- CN201498569U CN201498569U CN2009201094458U CN200920109445U CN201498569U CN 201498569 U CN201498569 U CN 201498569U CN 2009201094458 U CN2009201094458 U CN 2009201094458U CN 200920109445 U CN200920109445 U CN 200920109445U CN 201498569 U CN201498569 U CN 201498569U
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- insulator
- inner wire
- feedback pipe
- pipe bends
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Abstract
The utility model relates to a coaxial connector, in particular to a rigid coaxial 90-degree feeder bend, which comprises a 90-degree outer conductor supported in an inner conductor therein by an insulator; positioning steps are arranged at the two ends of the 90-degree outer conductor; and the inner conductor is formed by a 90-degree inner conductor with an inner conductor insertion hole connected at one end and an inner conductor insertion hole fixed at the other end of the 90-degree inner conductor by a screw. The utility model has the advantages of simple structure, convenient installation and good high frequency performance.
Description
Technical field
The utility model relates to a kind of coaxial connector, particularly a kind of simple in structure, easy for installation, high frequency performance is good hard coaxial 90 ° of feedback pipe bends.
Background technology
High-power transmitter or amplifier output to antenna or load, all adopt hard coaxial feedback pipe.Because between transmitter and antenna or the load can not all be that straight line is connected, coaxial feedback pipe generally all will be turned, and the turning of feedback pipe all adopts 90 ° to present pipe bends.90 ° of feedback pipe bends occupy very important seat in the hard coaxial feedback guard system.It must guarantee impedance matching, also will satisfy the requirement of power capacity.Designing 90 ° of feedback pipe bends that use in what a broadband is not nothing the matter.The colleague has designed the feedback pipe bend of numerous species both at home and abroad, Fig. 1 is a kind of of present widespread usage, comprise 90 ° of outer conductors 1 that are welded, be supported in inner wire 3 in 90 ° of outer conductors 1 with insulator 2, described inner wire 3 is made of 90 ° of inner wire 3-1 and being screwed in the two inner wire jack 3-2 at described 90 ° of inner wire 3-1 two ends, and the insulator 2 of described support inner wire 3 is fixed between the groove and 90 ° of outer conductors 1 of inner wire jack 3-2.For making internal and external conductor coaxial, also need on outer conductor, to be provided with the structure of fixed insulation 2 usually, usual method is to punch on outer conductor, with nail silk fixed insulation.But the wall thickness of existing standard feedback pipe is very thin, and above-mentioned hard coaxial 90 ° of feedback pipe bends have the following disadvantages in application:
1, the insulator in the elbow adopts jackscrew and outer conductor location, and not only processing assembling trouble, and location is inaccurate, causes inner wire and outer conductor disalignment easily; And the fixing insulator of jackscrew is unable to undergo to plug energetically.
2, the inner wire that assembles by three parts, has two places contact joint face A, for the high-power coaxial device, because electric current is big, face contact junction often generates heat bigger, must guarantee that whole contact is reliable,, even cause metal molten to burn if it is too high to contact the bad local temperature that will cause.Therefore more connections are with many fault origination points.
How to design a kind of simple in structure, easy to assembly, leakage is little, cost is low, the hard coaxial 90 ° of feedback pipe bends of service-strong are difficult problems of this area.
Because above-mentioned existing hard coaxial 90 ° of above-mentioned defectives that the feedback pipe bend exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of new structure, make it have more practicality.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Technical problem to be solved in the utility model is, at the above-mentioned deficiency of prior art, and provide a kind of simple in structure, easy to assembly, leakage is little, cost is low, use is reliable, hard coaxial 90 ° of feedback pipe bends with good high frequency characteristics.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.A kind of hard coaxial 90 ° of feedback pipe bends according to the utility model proposes comprise 90 ° of outer conductors, are supported in 90 ° of inner wires in the outer conductor with insulator, and the two ends of wherein said 90 ° of outer conductors are provided with positioning step; Described inner wire is to be provided with 90 ° of inner wires of inner wire jack and to be screwed in the inner wire jack of described 90 ° of inner wire other ends by an end to be constituted.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid hard coaxial 90 ° of feedback pipe bends, the height H of wherein said 90 ° of outer conductor positioning steps is 0.2～0.5mm.
Aforesaid hard coaxial 90 ° of feedback pipe bends, 90 ° of inner wires that a wherein said end is provided with the inner wire jack are provided with the insulator holddown groove; Also be provided with the insulator holddown groove on the described inner wire jack.
Aforesaid hard coaxial 90 ° of feedback pipe bends are provided with insulator in the wherein said holddown groove, and described 90 ° of inner wires that are provided with insulator are installed in described 90 ° of outer conductors, and described insulator relies on positioning step in described 90 ° of outer conductors.
Aforesaid hard coaxial 90 ° of feedback pipe bends, insulator in the wherein said holddown groove is circular tetrafluoro insulator, the center of described insulator is provided with the centre bore that diameter equals the holddown groove external diameter, side in centre bore is provided with circular hole, and a groove is communicated with described circular hole to insulator opposite side circumference along diameter by centre bore.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model can reach suitable technological progress and practicality, and has the extensive value on the industry, and it has following advantage:
1, the hard coaxial 90 ° of feedback pipe bends of the utility model are provided with the step (single face) of 0.2～0.5mm at the two ends of 90 ° of outer conductors, two mutually perpendicular steps have solved the fixation problem of insulator exactly, not only overcome jackscrew or other fixation with processing trouble, and guaranteed the axiality of internal and external conductor to have improved properties of product.Outer conductor size in the step is littler, but little to the power capacity influence.Owing to thickness has increased intensity (standard feedback thickness of pipe wall is all thinner).Outward appearance is also quite neat.
2, the hard coaxial 90 ° of feedback pipe bends of the utility model inner wire that will assemble by three parts, two parts have been made into, not only save material, reduced processing and assembled man-hour, and made failure rate reduce by 50%, improved reliability of products and high frequency performance.
3, the hard coaxial 90 ° of feedback pipe bends of the utility model are just assembled with a screw and are finished, solved existing hard coaxial 90 ° of feedback pipe bends in the use with the existing deficiency of performance, convenient construction greatly, cut down finished cost, increase economic efficiency, on practicality of using and cost benefit, it is required to meet industry development really fully, quite has industrial utilization.
In sum, the hard coaxial 90 ° of feedback pipe bends of the utility model have above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on the structure of product or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing hard coaxial 90 ° of feedback pipe bends have the outstanding multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structure chart of existing hard coaxial 90 ° of feedback pipe bends.
Fig. 2 is the structure chart of the hard coaxial 90 ° of feedback pipe bends of the utility model.
Fig. 3 is the structure chart of the tetrafluoro insulator in the hard coaxial 90 ° of feedback pipe bends of the utility model.
Embodiment
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by embodiment, when can being to reach technological means that predetermined purpose takes and effect to get one more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
See also shown in Figure 2ly, a kind of hard coaxial 90 ° of feedback pipe bends provided by the utility model comprise 90 ° of outer conductors 10, are supported in 90 ° of outer conductors 10 inner wire 20 with insulator, and the two ends of wherein said 90 ° of outer conductors 10 are provided with positioning step 11; Described inner wire 20 is to be provided with 90 ° of inner wires 22 of inner wire jack and to be screwed in the inner wire jack 21 of described 90 ° of inner wire 22 other ends by an end to be constituted.Constitute hard coaxial 90 ° of inner wires of presenting pipe bends with two parts, not only reduce the workload of processing and assembling, and greatly lowered failure rate.Need to prove that outer conductor 10 of the present utility model is to be processed into common copper pipe, and non-standard feedback pipe.
The height H of described 90 ° of outer conductor 10 positioning steps 11 is 0.2～0.5mm.
90 ° of inner wires 22 that a described end is provided with the inner wire jack are provided with insulator holddown groove 23; Also be provided with insulator holddown groove 24 on the described inner wire jack 21.
Be provided with insulator 31 in the described holddown groove 23,24, described 90 ° of inner wires that are provided with insulator 31 are installed in described 90 ° of outer conductors, and described insulator 31 relies on positioning step 11 in described 90 ° of outer conductors; Insulator holddown groove 24 on the inner wire jack 21 of described 90 ° of inner wire other ends is provided with another insulator 31, and described another insulator 31 relies on the positioning step of the other end in described 90 ° of outer conductors 10.
Be located in the described holddown groove 23 insulator 31 for the circular tetrafluoro insulator of not slitting-up as shown in Figure 3 so that be placed in the holddown groove, specifically be that a side of described insulator 31 is provided with breach 32.Insulator 31 in the described holddown groove 23 is circular tetrafluoro insulator, the center of described insulator 31 is provided with the centre bore 32 that diameter equals the holddown groove external diameter, be provided with circular hole 33, one grooves 34 in a side of centre bore 32 and be communicated with described circular hole 33 to insulator opposite side circumference by described centre bore 32 along diameter.During installation,, insulator is broken into two with one's hands, so that insert holddown groove 23 by groove 34.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (5)
1. hard coaxial 90 ° of feedback pipe bends comprise 90 ° of outer conductors, are supported in 90 ° of inner wires in the outer conductor with insulator, and the two ends of wherein said 90 ° of outer conductors are provided with positioning step; Described inner wire is to be provided with 90 ° of inner wires of inner wire jack and to be screwed in the inner wire jack of described 90 ° of inner wire other ends by an end to be constituted.
2. hard coaxial 90 ° of feedback pipe bends according to claim 1, the height H that it is characterized in that described 90 ° of outer conductor positioning steps is 0.2～0.5mm.
3. hard coaxial 90 ° of feedback pipe bends according to claim 1 is characterized in that 90 ° of inner wires that a described end is provided with the inner wire jack are provided with the insulator holddown groove; Also be provided with the insulator holddown groove on the described inner wire jack.
4. hard coaxial 90 ° of feedback pipe bends according to claim 3, it is characterized in that being provided with insulator in the described holddown groove, described 90 ° of inner wires that are provided with insulator are installed in described 90 ° of outer conductors, and described insulator relies on positioning step in described 90 ° of outer conductors.
5. hard coaxial 90 ° of feedback pipe bends according to claim 4, it is characterized in that the insulator in the described holddown groove is circular tetrafluoro insulator, the center of described insulator is provided with the centre bore that diameter equals the holddown groove external diameter, side in centre bore is provided with circular hole, and a groove is communicated with described circular hole to insulator opposite side circumference along diameter by centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201094458U CN201498569U (en) | 2009-06-22 | 2009-06-22 | Rigid coaxial 90-degree feeder bend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201094458U CN201498569U (en) | 2009-06-22 | 2009-06-22 | Rigid coaxial 90-degree feeder bend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201498569U true CN201498569U (en) | 2010-06-02 |
Family
ID=42441769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201094458U Expired - Lifetime CN201498569U (en) | 2009-06-22 | 2009-06-22 | Rigid coaxial 90-degree feeder bend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201498569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531867A (en) * | 2013-10-25 | 2014-01-22 | 西南交通大学 | High-power over-mode coaxial turning waveguide |
-
2009
- 2009-06-22 CN CN2009201094458U patent/CN201498569U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531867A (en) * | 2013-10-25 | 2014-01-22 | 西南交通大学 | High-power over-mode coaxial turning waveguide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |