CN100546124C - A kind of male connector of coaxial cable connector - Google Patents
A kind of male connector of coaxial cable connector Download PDFInfo
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- CN100546124C CN100546124C CNB2007101949733A CN200710194973A CN100546124C CN 100546124 C CN100546124 C CN 100546124C CN B2007101949733 A CNB2007101949733 A CN B2007101949733A CN 200710194973 A CN200710194973 A CN 200710194973A CN 100546124 C CN100546124 C CN 100546124C
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Abstract
The present invention discloses a kind of male connector of coaxial cable connector, comprises center conductor, insulator, outer conductor, and the center conductor front end has taper and protrudes, and has the deep hole that is used to insert coax cable center conductor on the rear end face; Insulator is circular, and the through hole internal diameter and the coax cable center conductor external diameter at its center are complementary; Outer conductor is divided into leading portion, stage casing and back segment from front to back; Leading portion is the thin cylinder shape, during use and female joint peg graft, its rear portion carries out the transition to the stage casing by first step on internal diameter; These step surface rank are along the compensated loop of establishing on the position to axis the place ahead; Gap between compensated loop and the described outer conductor leading portion internal diameter can hold the insertion of female joint outer conductor inner ring, and its distance that axially goes up between length and female joint outer conductor inner ring and the center conductor front end face is close; Stage casing internal diameter and insulator external diameter coupling; The internal diameter of back segment is bigger than the stage casing, for the outer conductor insertion of coaxial cable.Owing to shortened the entire length of male joint, helped saving material.
Description
Technical field
The present invention relates to the cable connector technology, especially relate to a kind of coaxial cable connector.
Background technology
Coaxial cable is widely used in various signals and transmits the especially occasion of video signal transmission, and a kind of structure of typical coaxial cable as shown in Figure 1.
Fig. 1 illustrates the center conductor 101 of center for generally being made of copper of coaxial cable, this center conductor 101 can be solid or hollow, its external diameter is insulated 102 encirclement of layer, coats outer conductor 103 outside this insulating barrier 102, the outer conductor 103 outer crusts 104 that coat nonconductive material one-tenth.
When using above-mentioned coaxial cable, need effective connection between the different model coaxial cable, so that effectively transmitted signal is avoided the decay of signal.For this reason, used the jockey of multiple coaxial cable in the prior art
Please referring to Fig. 2, this illustrates the male joint 2 of a kind of coaxial cable connector of prior art.As shown in the figure, this male joint be 2 be in comprising, in, outer three layers cirque structure, its nexine is the center conductor 21 of column, is insulator 22 around the intermediate layer of center conductor 21, is in the outer field outer conductor 23 that is.
The center conductor 21 of described nexine is used for pegging graft with the center conductor of female joint and being electrically connected with coax cable center conductor 101, this center conductor 21 is the taper protrusion 211 of pegging graft with the female joint center conductor near the front portion of plug surface, this taper is protruded 211 rear portions and is plugged with column center conductor 212, the rear portion of this column center conductor 212 has the deep hole that front end is taper, and this deep hole is used to insert coax cable center conductor 101.
Described insulator 22 comprises front end insulator 221 and rear end insulator 222, is used for electric quarantine center conductor 21 and outer conductor 23.Described front end insulator 221 is spacing by the rear end face and the step on the column center conductor 212 of the taper of described center conductor 21 protrusion 211; 222 rear end faces that prop up described column center conductor 212 of described rear end insulator.
Described outer conductor 23 relies on the support of insulator 22, is enclosed in the outermost layer of male joint 2.
For the interchangeability that realizes connector and make microwave signal can signal attenuation and variation not take place owing to having the grafting transition, above-mentioned coaxial cable connector need satisfy strict manufacturer's standard.At first, need make the male and female connection-peg at the interface of the same race of different manufacturers production can exchange coupling; In addition, also need to guarantee characteristic impedance value of being near the mark on its any one cross section.With the described male joint 2 of Fig. 2 is example, center conductor 21 and outer conductor 23 are provided with the position of front end insulator 221 between the two, the position of front end insulator 221 is not set between the two, radial distance between its center conductor 21 external diameters and outer conductor 23 internal diameters is different with axial distance, this variation is in order to adapt to the sudden change on dielectric constant of insulator and air and custom-designed, can make because dielectric material changes reflection and the decay acquisition electronic compensating that causes by above-mentioned size difference, thereby signal can be transmitted preferably.
Along with being extensive use of of coaxial cable, the use amount of coaxial fitting is also very big.These coaxial fittings need be adopted precious metal manufacturings such as copper, silver, cause a large amount of resource consumptions.If can under the prerequisite of the manufacturer's standard that satisfies coaxial cable, design the connector that adopts less material consumption, then can less resource consumption.Consider a large amount of uses of coaxial cable connector, the minimizing slightly of the material consumption of each connector all can produce remarkable result to whole industry, comprises saving a large amount of precious metals, and obviously alleviates user's financial burden.
Summary of the invention
For reducing the material consumption of coaxial cable connector, the technical problem that the present invention solves is, a kind of male connector of coaxial cable connector is provided, this joint is when satisfying existing technical standard, the metal material of its consumption is less than the existing coaxial cable male joint, and can the whole electrical property that improves joint.
Male connector of coaxial cable connector provided by the invention, for the lining, in, outer three layers cirque structure, be respectively center conductor, insulator, the outer conductor of column from the inside to surface, its center conductor is a part, its front end has taper and protrudes, and has the deep hole that is used to insert coax cable center conductor thereafter on the end face; Described insulator is circular, and the through hole internal diameter and the coax cable center conductor external diameter at its center are complementary; Described outer conductor is divided into leading portion, stage casing and back segment from front to back; Described leading portion is the thin cylinder shape, during use and female joint peg graft, its rear portion carries out the transition to the stage casing by first step on internal diameter; These first step step surface rank are along the annular protrusion that is provided with on the position to axis the place ahead, and this projection is called compensated loop; Gap between compensated loop and the described outer conductor leading portion internal diameter can hold the insertion of female joint outer conductor inner ring, and its distance that axially goes up between length and female joint outer conductor inner ring and the center conductor front end face is close; Described stage casing internal diameter and insulator external diameter coupling; The internal diameter of described back segment is bigger than the stage casing, can insert for the outer conductor of coaxial cable.
Preferably, the approaching position of segment distance first step has the annular protrusion of internal diameter direction in the described outer conductor, and described insulator withstands this annular protrusion with its front end face outer and obtains the location.
Preferably, the back segment that on internal diameter, increases to internal diameter of described outer conductor stage casing by the 4th step and conical surface transition.
Preferably, the leading portion of described outer conductor carries out the transition to the stage casing by the second step that shrinks on external diameter, and this second step is used for the socket outer nut, realizes with the location of female joint and is fastenedly connected.
Preferably, described outer conductor stage casing external diameter is provided with spanner card face.
Preferably, described outer conductor leading portion has the seal groove that is used to install sealing ring near the second step position.
Preferably, described outer conductor stage casing on external diameter by the step transition that shrinks to the outer conductor back segment.
Preferably, the end of described outer conductor has horn mouth.
Preferably, have the hangnail structure on the internal diameter of described outer conductor stage casing, this hangnail domatic towards the rear end, step surface is towards front end.
Preferably, the blind hole that described insulator has one or more axial settings is the hole by way of compensation, perhaps, has the compensation annular groove of axial setting.
Compared with prior art, the public type joint of coaxial cable connector provided by the invention no longer adopts the two-stage structure of taper protrusion, column center conductor, but directly deep hole being set the rear end of the taper protrusion of grafting with female joint, this deep hole directly is connected with coax cable center conductor.This kind design has shortened the entire length of male joint, helps saving material.In addition, the column center conductor of corresponding prior art, the outer conductor of correspondent section is in order to obtain suitable characteristic impedance, its external diameter is bigger than other section, and the male joint that the embodiment of the invention provides is because the minimizing of transition portion, the effect highly significant of material is saved in the male joint that provides, and has reduced the step sudden change of electrical property simultaneously, so obtain the whole electrical property that improves.
In addition, coaxial cable male joint provided by the invention is owing to have only an insulator, and during this insulator assembling is to fill in forward from the rear end of outer conductor, has avoided needing in the prior art to fill in from the front portion complex operations of preceding insulator, and the efficiency of assembling effect is remarkable for improving.
Description of drawings
Fig. 1 is the structural representation of coaxial cable;
Fig. 2 is the male connector of coaxial cable connector structural representation of prior art;
Fig. 3 is the male connector of coaxial cable connector axle sectional view that first embodiment of the invention provides;
Fig. 4 is the male connector of coaxial cable connector half sectional view that first embodiment of the invention provides;
Fig. 5 is the shaft side figure of prior art male connector of coaxial cable connector;
Fig. 6 is the axle sectional view of prior art male connector of coaxial cable connector;
Fig. 7 is the shaft side figure of the male connector of coaxial cable connector center conductor that provides of first embodiment of the invention;
Fig. 8 is the axle sectional view of the male connector of coaxial cable connector center conductor that provides of first embodiment of the invention.
Embodiment
Please referring to Fig. 3, this figure is the axle sectional view after male connector of coaxial cable connector that first embodiment of the invention provides connects coaxial cable.And please in conjunction with Fig. 4, this figure is the half sectional view that this embodiment provides the coaxial cable male joint.For convenience of description, below the direction with the grafting interface of this male joint and female joint is called front end, and an end of termination coaxial cable is called the rear end.
As shown in the figure, this coaxial cable male joint comprises three layers from the inside to surface, is respectively center conductor 31, insulator 32, outer conductor 33 from the inside to the outside.
The center conductor 31 of described nexine is a column, and its front end has taper and protrudes, and rear end face has deep hole, and this deep hole makes described center conductor 31 become hollow.The center conductor of coaxial cable shown in the figure has inserted this center conductor 31.
Described insulator 32 is circular, and the through hole internal diameter at its center and the external diameter of coax cable center conductor are complementary.This insulator 32 can be opened one or several and be parallel to the blind hole 321 of axis as required, to realize electrical compensation.These blind holes also can further adopt the compensation annular groove of axial setting to replace.
Described outer conductor 33 is circular, and some steps are all arranged on its internal diameter and the external diameter, is used to realize various limit functions.This outer conductor 33 can be divided into leading portion 331, stage casing 332 and back segment 333 from front to back.Below be introduced respectively.
Described leading portion 331 is the thin cylinder shape, is used for pegging graft with female joint, and its inside and outside footpath is all greater than stage casing 332 and back segment 333.Described leading portion 331 rear portions carry out the transition to stage casing 332 by first step 3311 on internal diameter, these first step 3311 step surface rank are along the annular protrusion that is provided with on the position to axis the place ahead, and this projection is called compensated loop 3312; Gap between compensated loop 3312 and described outer conductor leading portion 331 internal diameters can hold the insertion of female joint outer conductor inner ring, the compensation that the axial length of this compensated loop 3312 is subjected in manufacturing tolerance and the specific design requires different influences, can be different, but roughly should and female joint outer conductor inner ring and center conductor front end face between distance close.Carry out the transition to stage casing 332 by the second step 3313 that shrinks on the external diameter of this leading portion 331, this second step 3313 is used for socket outer nut 334.Also have the seal groove 3314 of annular in the position near this second step 3313 of leading portion 331, this annular seal groove 3314 is used to install sealing ring.
Described stage casing 332 has thicker wall thickness, the external diameter of its internal diameter and described insulator 32 is complementary, on this aperture surface when needed, the hangnail structure can be set, this hangnail structure domatic towards the rear end, step surface is towards front end, making insulator 32 fill in the time ratio from the rear end is easier to, and be subjected to stopping of hangnail step surface when returning, and not too easy, can play the effect that prevents that insulator 32 from getting loose like this.This stage casing 332 has the annular protrusion 3321 of internal diameter direction apart from first step 3311 approaching positions, and described insulator 32 can withstand this annular protrusion 3321 with its front end face edge and obtain the location.The external diameter in described stage casing 332 is provided with spanner card face 3322; These stage casing 332 external diameters carry out the transition to back segment 333 by the 3rd step 3323 that shrinks.
The internal diameter at 332 rear portions, described stage casing carries out the transition to back segment 333 by internal diameter the 4th step 3331 that increases and the conical surface 3332 that increases gradually backward in the past, the internal diameter of this back segment 333 can insert for coaxial cable outer conductor, and also has the space that holds scolder after outer conductor inserts.The end of this back segment 333 also is that the end of whole outer conductor 33 has horn mouth 3333.
The size and the prior art of male joint that this embodiment provides and female joint inserting are identical, and its center conductor 31 need weld the acquisition location behind the center conductor of insertion coaxial cable.Concrete operations are as follows, coaxial cable is by strip off, its center conductor protrudes certain length, and by inserting the deep hole of center conductor 31 rear ends behind the through hole in the middle of the described insulator 32, it is firm that the fusing scolding tin in this deep hole is pegged graft coax cable center conductor and this center conductor 31.Described insulator 32 is filled in outer conductor stage casing 332, and withstand described annular protrusion 3321 acquisition location.At this moment, center conductor 31 obtains the location.The insulator of coaxial cable and outer conductor portion are then inserted in described outer conductor 33 back segments 333, and withstand the rear end face of described insulator 32, the welding materials such as scolding tin of fusing can be infiltrated in the gap between this coaxial cable outer conductor and outer conductor 33 back segments 333 by described horn mouth 3332, both are welded together.At last, with the external diameter of the crust of coaxial cable parcel outer conductor back segment 333, and use the method sealing of injection moulding and fastening.
After this male joint and female joint inserting, the taper of described center conductor 31 is protruded in the center conductor that inserts female joint, and the inner ring of female joint outer conductor props up described first step 3311; Described compensated loop 3312 axial locations just in time do not insert between the part and first step 3311 of female joint at center conductor 31, make because the center conductor portion that internal diameter reduces obtains compensation by this compensated loop, can satisfy the demand and the interface coupling of microwave transmission like this.
In the male joint that the foregoing description provides, the improvement of described center conductor 31 is the improved key points of this male joint, and the variation of insulator 32 and outer conductor 33 all produces owing to this changes, and describes the improvement of this center conductor 31 in detail to Fig. 8 below in conjunction with Fig. 5.
Please referring to Fig. 5, Fig. 6, above-mentioned figure is respectively the shaft side figure and the axle sectional view of the center conductor of prior art, this center conductor comprises that former and later two parts grafting form as can be seen, is respectively taper protrusion 211 and is plugged on the column center conductor 212 that 211 rear end faces are protruded in this taper.Described taper is protruded 211 and is used for and the inserting of female joint center conductor; The rear end of described column center conductor 212 has deep hole, and the two-stage structure inserting of realization and female joint and coaxial cable respectively before and after the center conductor of this structure has increased the length of center conductor; Approaching consistent for the characteristic impedance that guarantees each cross section, signal obtains transmission preferably, and the diameter of the back segment of this center conductor taper protrusion 211 needs overstriking.
Please referring to Fig. 7, Fig. 8, above-mentioned figure is respectively the shaft side figure and the axle sectional view of the male joint center conductor 31 that present embodiment provides.As shown in the figure, this center conductor 31 has only a part, and its front end is taper, and the rear end has the deep hole that inserts coax cable center conductor.In fact this part becomes one the structure of two parts in the prior art, and this structure has shortened the length of center conductor, also can shorten with described center conductor corresponding insulation body and outer conductor.And this center conductor 31 does not have the diameter segment of overstriking, and its reason is that outer conductor 33 is provided with described compensated loop 3312.
As mentioned above, the center conductor of above-mentioned male joint will be produced on the part with the rear end deep hole that is connected with coaxial cable with the taper protrusion of female joint inserting in the prior art simultaneously.And in the prior art, then be the taper protrusion to be made a part specially then be plugged on the column center conductor with rear end deep hole; Both compare, and the center conductor of this male joint has reduced by a part, have also correspondingly reduced the segment length that outer conductor matches with this center conductor, and its diameter dimension is also corresponding reduces; In addition, its insulator is reduced to a part.Above-mentioned effect all has the length of whole male joint and stage casing diameter to reduce, and the effect that economical with materials and performance improve is quite remarkable.
Except that above-mentioned advantage, the embodiment of the invention compared with prior art also has the advantage of fit on.In the prior art, forward and backward insulator needs to fill in outer conductor from front-end and back-end respectively, and among this embodiment, insulator has only one, only need fill in outer conductor from the rear end to get final product, and has greatly simplified assembly manipulation.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of male connector of coaxial cable connector, for the lining, in, outer three layers cirque structure, be respectively center conductor, insulator, the outer conductor of column from the inside to surface, it is characterized in that, described center conductor is a part, its front end has taper and protrudes, and has the deep hole that is used to insert coax cable center conductor thereafter on the end face; Described insulator is circular, and the through hole internal diameter and the coax cable center conductor external diameter at its center are complementary; Described outer conductor is divided into leading portion, stage casing and back segment from front to back; Described leading portion is the thin cylinder shape, during use and female joint peg graft, its rear portion carries out the transition to the stage casing by first step on internal diameter; These first step step surface rank are along the annular protrusion that is provided with on the position to axis the place ahead, and this projection is called compensated loop; Gap between compensated loop and the described outer conductor leading portion internal diameter can hold the insertion of female joint outer conductor inner ring, and its distance that axially goes up between length and female joint outer conductor inner ring and the center conductor front end face is close; Described stage casing internal diameter and insulator external diameter coupling; The internal diameter of described back segment is bigger than the stage casing, can insert for the outer conductor of coaxial cable.
2, male connector of coaxial cable connector according to claim 1, it is characterized in that, the approaching position of segment distance first step has the annular protrusion of internal diameter direction in the described outer conductor, and described insulator withstands this annular protrusion with its front end face outer and obtains the location.
3, male connector of coaxial cable connector according to claim 2 is characterized in that, the back segment that described outer conductor stage casing increases to internal diameter by the 4th step and conical surface transition on internal diameter.
4, male connector of coaxial cable connector according to claim 3, it is characterized in that, the leading portion of described outer conductor carries out the transition to the stage casing by the second step that shrinks on external diameter, this second step is used for the socket outer nut, realizes with the location of female joint and is fastenedly connected.
5, male connector of coaxial cable connector according to claim 4 is characterized in that, described outer conductor stage casing external diameter is provided with spanner card face.
6, male connector of coaxial cable connector according to claim 5 is characterized in that, described outer conductor leading portion has the seal groove that is used to install sealing ring near the second step position.
7, male connector of coaxial cable connector according to claim 6 is characterized in that, the step transition that described outer conductor stage casing is passed through to shrink on external diameter is to the outer conductor back segment.
8, male connector of coaxial cable connector according to claim 7 is characterized in that, the end of described outer conductor has horn mouth.
9, male connector of coaxial cable connector according to claim 8 is characterized in that, has the hangnail structure on the internal diameter of described outer conductor stage casing, this hangnail domatic towards the rear end, and step surface is towards front end.
10, male connector of coaxial cable connector according to claim 9 is characterized in that, the blind hole that described insulator has one or more axial settings is the hole by way of compensation, perhaps, has the compensation annular groove of axial setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101949733A CN100546124C (en) | 2007-12-07 | 2007-12-07 | A kind of male connector of coaxial cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101949733A CN100546124C (en) | 2007-12-07 | 2007-12-07 | A kind of male connector of coaxial cable connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101170232A CN101170232A (en) | 2008-04-30 |
| CN100546124C true CN100546124C (en) | 2009-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101949733A Active CN100546124C (en) | 2007-12-07 | 2007-12-07 | A kind of male connector of coaxial cable connector |
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| CN (1) | CN100546124C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699671B (en) * | 2009-11-02 | 2012-08-15 | 罗森伯格亚太电子有限公司 | Male joint of coaxial cable connector |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3105822B1 (en) | 2014-02-11 | 2021-05-05 | CommScope Technologies LLC | Coaxial cable and connector with dielectric spacer that inhibits unwanted solder flow |
| CN104409819A (en) * | 2014-12-10 | 2015-03-11 | 安徽蓝麦通信科技有限公司 | End pressure type coaxial load |
| CN108011264B (en) | 2016-10-31 | 2021-08-13 | 康普技术有限责任公司 | Quick-lock coaxial connector and connector combination |
| CN109256645B (en) | 2017-07-12 | 2021-09-21 | 康普技术有限责任公司 | Quick-locking coaxial connector |
| CN111490418B (en) * | 2020-04-23 | 2021-03-26 | 中国人民解放军国防科技大学 | Oil-immersed high-voltage coaxial cable connector |
| CN116885511B (en) * | 2023-09-08 | 2024-01-02 | 江苏安澜万锦电子股份有限公司 | Cable connector and wiring method thereof |
-
2007
- 2007-12-07 CN CNB2007101949733A patent/CN100546124C/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699671B (en) * | 2009-11-02 | 2012-08-15 | 罗森伯格亚太电子有限公司 | Male joint of coaxial cable connector |
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| Publication number | Publication date |
|---|---|
| CN101170232A (en) | 2008-04-30 |
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