CN207215922U - Portable radio-frequency coaxial cable phase refinement equipment - Google Patents
Portable radio-frequency coaxial cable phase refinement equipment Download PDFInfo
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- CN207215922U CN207215922U CN201721165119.XU CN201721165119U CN207215922U CN 207215922 U CN207215922 U CN 207215922U CN 201721165119 U CN201721165119 U CN 201721165119U CN 207215922 U CN207215922 U CN 207215922U
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- axle sleeve
- shell
- coaxial cable
- screen layer
- portable radio
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Abstract
The utility model discloses portable radio-frequency coaxial cable phase refinement equipment, the coaxial connector being connected including tester and with tester, the coaxial connector include shell, insulator, center conductor probe, screen layer axle sleeve, the axle sleeve locking apparatus being coaxially disposed；The shell has the hollow cavity in conducting left and right ends face, and the center conductor probe, insulator, screen layer axle sleeve are arranged in the hollow cavity；The shell is provided with internal thread close to one end of screen layer axle sleeve, and the axle sleeve locking apparatus is nested in outside screen layer axle sleeve, and is connected with outer casing screw.Portable radio-frequency coaxial cable phase refinement equipment provided by the utility model will be changed to axle sleeve compression type between center conductor and screen layer by welded type, eliminate cumbersome welding procedure, RF index can quickly be tested, quick-detach it can also reuse soon, wire rod is saved, loss is reduced, cost-effective, operating wireline test, more simple and convenient, versatility is stronger.
Description
Technical field
It the utility model is related to communication cable coupling technique field, and in particular to portable radio-frequency coaxial cable phase refinement
Equipment.
Background technology
Radio frequency coaxial-cable refers to there are two concentric conductors, and conductor and screen layer share the cable in same axle center.
RF coaxial cable insulation cable material is using physical blowing polyethylene isolation copper conductors composition, in nexine insulating materials
Outside be another layer of ring shaped conductor i.e. outer conductor, outer conductor（Organize screen layer）It is molded using copper strips, weld, pricks line；Or
Using aluminium pipe structure；Or using braiding structure, then whole cable is encased by the sheath of pvc material.
At present, conventional radio frequency coaxial-cable has two classes：50 Ω and 75 Ω radio frequency coaxial-cable.The Ω of characteristic impedance 75 is penetrated
High frequency coaxial cable is usually used in CATV nets, therefore referred to as CATV cables, transmission bandwidth commonly use the transmission of CATV cables at present up to 1GHz
Bandwidth：750MHz.The Ω radio frequency coaxial-cables of characteristic impedance 50 are mainly used in base band signal transmission, and transmission bandwidth is 1~20MHz,
The maximum transmission distance of the Ω thin coaxial cables of general characteristic impedance 50 is 180 meters, and thick coaxial cable is up to 1000 meters.
In mobile communcations system, the application of cable-assembly is very extensive.Cable-assembly is radio frequency (RF) coaxial connector and fitted
The coaxial cable connector assembly that coaxial cable mating forms, major function are effective transmission radio frequency electromagnetic energies, because
This radio frequency co-axial cable subassembly requires very strict in actual use, such as phase, standing wave, Insertion Loss etc..In actual processing mistake
Cheng Zhong, each link must be controlled strictly, can just produce the co-axial cable component of superior performance.It is currently used coaxial
Cable is divided into semi-rigid coaxial cable, semi-flexible coaxial cable, coaxial flexible cable etc..For the electric performance test of coaxial cable,
Coaxial cable manufacturer or using unit when testing coaxial cable, generally by crimping or welding connection side
Connector is installed coaxial cable by formula, and operating wastes time and energy, when particularly measuring big batch multiple testing, it appears particularly
Trouble.If this mode is applied on the cable for needing index debugging, it may appear that being dismounted for multiple times is lost time, electric after being dismounted for multiple times
Cable cannot be continuing with, and cause cable to waste；It is successful currently without once debugging because cable radiofrequency characteristicses index debugging
Technique, it is required for testing amendment repeatedly, such as common phase index.Frequency microwave cable is old very high, and ordinary connector is adjusted
Method for testing, also to causing the substantial amounts of cost of user to waste.In addition, the connector used in every coaxial test all differs
Sample, this can cause test result larger error to be present.
Utility model content
The utility model to solve problem be it is existing be used to testing on the tester of coaxial cable coaxial connector with
Using the connected mode of welding or crimping between coaxial cable, it can not continue after causing coaxial connector being dismounted for multiple times, cause to provide
The problem of source wastes, there is provided one kind can quickly test RF index, and coaxial connector quick release reuse take formula
Radio frequency coaxial-cable phase refinement equipment.
Portable radio-frequency coaxial cable phase refinement equipment provided by the utility model, its technical scheme are：It is described to take formula
Radio frequency coaxial-cable phase refinement equipment includes tester and the coaxial connector being connected with tester.It is described coaxially connected
Device includes shell, insulator, center conductor probe, screen layer axle sleeve, the axle sleeve locking apparatus being coaxially disposed.The shell body tool
Have a hollow cavity of conducting all around both ends of the surface, the center conductor probe, insulator, screen layer axle sleeve be arranged on it is described in
In cavity body, the preformed hole for installation center conductor probe, the center conductor probe connection are provided with the insulator
Test cable inner wire.The gap for coordinating axle sleeve locking apparatus, the shell are provided between shell and the screen layer axle sleeve
One end of screen layer axle sleeve is provided with internal thread, coordinates shell to be provided with external screw thread on the axle sleeve locking apparatus.Use
When, the axle sleeve locking apparatus is nested in outside screen layer axle sleeve, is connected with outer casing screw, is compressed screen layer axle sleeve, is made axle sleeve pressure
Fasten cable.
The one end of the shell away from axle sleeve lock sleeve is provided with the screw thread for being connected with tester, described coaxially to connect
Device is connect to be threadedly coupled with tester by shell.
During wireline test, cable inner conductor is inserted into center conductor probe, center conductor probe is elastic probe, is had good
Good elastic dilatation performance, can contact with inner wire, is inserted in screen layer axle sleeve, locking axle sleeve locking device automatically, you can survey
Try RF index and phase.
Further, the axle sleeve locking apparatus includes screw shell and is arranged on screw shell one end and and screw shell
The the first fastening convex shoulder connected as one, during convenient for assembly, axle sleeve locking apparatus is tightened.In the axle sleeve locking apparatus
Axially arranged to have first through hole, the first through hole diameter is interference fitted with screen layer axle sleeve external diameter.
Further, the one end of the screw shell away from the first fastening convex shoulder is provided with the convex annular axially extended
Side, the annular nib external diameter are less than screw shell external diameter.The annular nib is that diameter gradually increases with screw shell junction
Big arc connection.Coaxial connector is set to assemble more convenient and quicker when assembling.
Further, the screen layer axle sleeve includes cylindrical housings and is arranged on cylindrical housings away from fastening chimb one
The annular fastening protrusion at end, the cylinder housing is axially arranged the second through hole, and second through-hole diameter is between coaxial electrical
Between cable outer conductor layer diameter and outer insulation；The annular fastening protrusion diameter is more than first through hole diameter.
Circumferentially it is evenly arranged with the cylindrical housings no less than 4 along the axially extending groove of cylindrical housings,
The notch of the groove is located at the one end of cylindrical housings away from fastening protrusion, axle sleeve locking apparatus is fastened screen layer axle sleeve
When, elastic deformation easily occurs for cylindrical housings, screen layer axle sleeve is fastenedly connected more preferably with cable.
The second fastening convex shoulder is additionally provided with the shell, the first fastening convex shoulder and the second fastening convex shoulder are hexagonal
Shape, it is identical with nut profile, and two hexagon inscribed circle diameters are identical, i.e., the first fastening convex shoulder and the second fastening convex shoulder size
Unanimously, it is easy to the assembling of coaxial connector.
Left and right orientation described in the utility model is the left and right shown on the utility model accompanying drawing.
The utility model compared with prior art, has advantages below and beneficial effect：
（1）Portable radio-frequency coaxial cable phase refinement equipment provided by the utility model by center conductor and screen layer it
Between axle sleeve compression type is changed to by welded type, eliminate cumbersome welding procedure, can quickly test RF index, moreover it is possible to fast quick-detach
Reuse, saved wire rod, reduce loss, it is cost-effective, make wireline test operation more simple and convenient.
（2）Portable radio-frequency coaxial cable phase refinement equipment provided by the utility model need only give to different line footpath cables
The center conductor and screen layer axle sleeve of set are changed, supporting each component all meets RF impedance, and versatility is stronger, can be used for each
The test of 50 Ω radio frequency coaxial-cables of kind.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model structure cut-away view；
View when Fig. 3 is the utility model assembling；
Fig. 4 is view when the utility model insertion is tested cable；
Fig. 5 is structural representation after the utility model locking；
In figure, 1-shell, 2-insulator, 3-center conductor probe, 4-screen layer axle sleeve, 5-axle sleeve locking apparatus,
6-screw shell, the 7-the first fastening convex shoulder, 8-first through hole, 9-annular nib, 10-cylindrical housings, 11-annular are tight
Gu boss, the 12-the second through hole, 13-groove, the 14-the second fastening convex shoulder.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1：
As shown in Figure 1 and Figure 2, portable radio-frequency coaxial cable phase refinement equipment, including tester and and tester
The coaxial connector of connection.The coaxial connector include be coaxially disposed shell 1, insulator 2, center conductor probe 3, shielding
Layer axle sleeve 4, axle sleeve locking apparatus 5.The body of shell 1 has the hollow cavity for turning on both ends of the surface all around, and the center is led
Body probe 3, insulator 2, screen layer axle sleeve 4 are arranged in the hollow cavity, in being provided with the insulator 2 for installing
The preformed hole of heart conductor probe 3, the connecting test cable inner conductor of center conductor probe 3.The center conductor probe 3 passes through
Insulator 2 is dielectrically separated from shell 1.
The screen layer axle sleeve 4 is central axial to be provided with the first through hole 8 that can be inserted into tested cable, the axle sleeve locking dress
Put 5 it is central axial be provided with the second through hole 12 that can be nested in outside screen layer axle sleeve 4, between the shell 1 and screen layer axle sleeve 4
The gap for coordinating axle sleeve locking apparatus 5 is provided with, the shell 1 is provided with internal thread close to one end of screen layer axle sleeve 4, described
Shell 1 is coordinated to be provided with external screw thread on axle sleeve locking apparatus 5.In use, the axle sleeve locking apparatus 5 is nested in screen layer axle sleeve
Outside 4, it is threadedly coupled with shell 1, compresses screen layer axle sleeve 4, axle sleeve is fixed cable.
The described one end of shell 1 away from axle sleeve lock sleeve is provided with the screw thread for being connected with tester, described coaxial
Connector is threadedly coupled by shell 1 with tester.
The assembly method of coaxial connector is as shown in Figure 3.Before wireline test, by shell 1, insulator 2, center conductor probe
3rd, screen layer axle sleeve 4, axle sleeve locking apparatus 5 assemble as shown in Figure 3, and pass through being threaded on tester on shell.
As shown in figure 4, cable inner conductor is inserted into center conductor probe 3 again, center conductor probe 3 is elastic probe, is had well
Elastic dilatation performance, it can be contacted automatically with inner wire.Finally, as shown in figure 5, being inserted in screen layer axle sleeve 4, locking axle sleeve locking
Device 5, you can test RF index and phase.After being completed, axle sleeve locking apparatus 5 is rotated backward, makes axle sleeve locking apparatus 5
Screen layer axle sleeve 4 is unclamped, somewhat firmly can extract tested cable, then carry out next test.
Embodiment 2：
On the basis of above-described embodiment, the present embodiment is improved, and its improvements is：As shown in figure 1, the axle
Sleeve locking apparatus 5 includes screw shell 6 and is arranged on the one end of screw shell 6 and is connected as one with screw shell 6 first tight
Gu convex shoulder 7, during convenient for assembly, axle sleeve locking apparatus 5 is tightened.First is axially provided with the axle sleeve locking apparatus 5
Through hole 8, the diameter of first through hole 8 are interference fitted with the external diameter of screen layer axle sleeve 4.
The one end of the screw shell 6 away from the first fastening convex shoulder 7 is provided with the annular nib 9 axially extended, described
The external diameter of annular nib 9 is less than the external diameter of screw shell 6.The annular nib 9 is what diameter gradually increased with the junction of screw shell 6
Arc connects.Coaxial connector is set to assemble more convenient and quicker when assembling.
The screen layer axle sleeve 4 includes cylindrical housings 10 and is arranged on cylindrical housings 10 away from fastening chimb one end
Annular fastening protrusion 11, the cylinder housing is axially arranged the second through hole 12, and the diameter of the second through hole 12 is between coaxial
Between cable outer conductor layer diameter and outer insulation；The diameter of annular fastening protrusion 11 is more than the diameter of first through hole 8.
Circumferentially it is evenly arranged with the cylindrical housings 10 no less than 4 along axially extending recessed of cylindrical housings 10
Groove 13, the notch of the groove 13 are located at the one end of cylindrical housings 10 away from fastening protrusion, make the fastening screen of axle sleeve locking apparatus 5
When covering layer axle sleeve 4, elastic deformation easily occurs for cylindrical housings 10, screen layer axle sleeve 4 is fastenedly connected more preferably with cable.
The second fastening convex shoulder 14 is additionally provided with the shell 1, the first fastening convex shoulder 7 and the second fastening convex shoulder 14 are equal
It is identical with nut profile for hexagon, and two hexagon inscribed circle diameters are identical, i.e., the first fastening convex shoulder 7 and second fastens
The size of convex shoulder 14 is consistent, is easy to the assembling of coaxial connector.
Other parts are substantially the same manner as Example 1 in the present embodiment, therefore no longer repeat one by one.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (9)
1. portable radio-frequency coaxial cable phase refinement equipment, including tester and it is connected with tester coaxially connected
Device, it is characterised in that：The coaxial connector include be coaxially disposed shell (1), insulator (2), center conductor probe (3),
Screen layer axle sleeve (4), axle sleeve locking apparatus (5)；The shell (1) has the hollow cavity in conducting left and right ends face, in described
Heart conductor probe (3), insulator (2), screen layer axle sleeve (4) are arranged in the hollow cavity, are set in the insulator (2)
There are the preformed hole for installation center conductor probe (3), center conductor probe (3) the connecting test cable inner conductor；It is described
Shell (1) is provided with internal thread close to one end of screen layer axle sleeve (4), and the axle sleeve locking apparatus (5) is nested in screen layer axle
Cover (4) outside and be threadedly coupled with shell (1).
2. portable radio-frequency coaxial cable phase refinement equipment according to claim 1, it is characterised in that：The axle sleeve lock
Tight device (5) includes screw shell (6) and is arranged on screw shell (6) one end and connected as one with screw shell (6) the
One fastens convex shoulder (7), and first through hole (8), the first through hole (8) and screen are axially provided with the axle sleeve locking apparatus (5)
Cover a layer axle sleeve (4) outer shaft interference fit.
3. portable radio-frequency coaxial cable phase refinement equipment according to claim 2, it is characterised in that：The screw thread shell
The one end of body (6) away from the first fastening convex shoulder (7) is provided with the annular nib (9) axially extended, and the annular nib (9) is outside
Footpath is less than screw shell (6) external diameter.
4. portable radio-frequency coaxial cable phase refinement equipment according to claim 3, it is characterised in that：The convex annular
Side (9) is that the rounding off that diameter gradually increases is connected with screw shell (6) junction.
5. portable radio-frequency coaxial cable phase refinement equipment according to claim 2, it is characterised in that：The screen layer
Axle sleeve (4) includes cylindrical housings (10) and is arranged on annular of the cylindrical housings (10) away from first fastening convex shoulder (7) one end
Fastening protrusion (11), the cylindrical housings (10) are axially arranged the second through hole (12), and the second through hole (12) diameter is situated between
Between coaxial cable outer conductor layer diameter and outer insulation；The external diameter of the annular fastening protrusion (11) is more than first through hole
(8) diameter.
6. portable radio-frequency coaxial cable phase refinement equipment according to claim 5, it is characterised in that：The cylinder
Circumferentially be evenly arranged with housing (10) quantity no less than 4, along the axially extending groove (13) of cylindrical housings (10),
The notch of the groove (13) is located at the one end of cylindrical housings (10) away from annular fastening protrusion (11).
7. according to any described portable radio-frequency coaxial cable phase refinement equipment of claim 1~6, it is characterised in that：Institute
State the one end of shell (1) away from axle sleeve locking apparatus (5) and be provided with screw thread for being connected with tester, it is described coaxially connected
Device is threadedly coupled by shell (1) with tester.
8. according to any described portable radio-frequency coaxial cable phase refinement equipment of claim 2~6, it is characterised in that：Institute
State and the second fastening convex shoulder (14) is additionally provided with shell (1).
9. portable radio-frequency coaxial cable phase refinement equipment according to claim 8, it is characterised in that：Described first is tight
Gu convex shoulder (7) is identical with second fastening convex shoulder (14) structure and is in hexa-prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721165119.XU CN207215922U (en) | 2017-09-12 | 2017-09-12 | Portable radio-frequency coaxial cable phase refinement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721165119.XU CN207215922U (en) | 2017-09-12 | 2017-09-12 | Portable radio-frequency coaxial cable phase refinement equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207215922U true CN207215922U (en) | 2018-04-10 |
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ID=61824310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721165119.XU Active CN207215922U (en) | 2017-09-12 | 2017-09-12 | Portable radio-frequency coaxial cable phase refinement equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207215922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031008A (en) * | 2018-07-28 | 2018-12-18 | 中国电子科技集团公司第四十研究所 | A kind of radio-frequency cable component phase surveys auxiliary device fastly |
-
2017
- 2017-09-12 CN CN201721165119.XU patent/CN207215922U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031008A (en) * | 2018-07-28 | 2018-12-18 | 中国电子科技集团公司第四十研究所 | A kind of radio-frequency cable component phase surveys auxiliary device fastly |
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