CN201699272U - Double-wedge type radio frequency connector - Google Patents
Double-wedge type radio frequency connector Download PDFInfo
- Publication number
- CN201699272U CN201699272U CN2010201803870U CN201020180387U CN201699272U CN 201699272 U CN201699272 U CN 201699272U CN 2010201803870 U CN2010201803870 U CN 2010201803870U CN 201020180387 U CN201020180387 U CN 201020180387U CN 201699272 U CN201699272 U CN 201699272U
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- Prior art keywords
- taper hole
- shape
- conical ring
- outer conical
- cable
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Abstract
The utility model relates to a double-wedge type radio frequency connector, belonging to the technical field of communication transmission facilities. The connector comprises a front shell as well as a rear threaded sleeve and an inner conductor, wherein one end of the front shell, which is close to the rear threaded sleeve, is provided with a first taper hole with a positioning step. The inner bore of the rear threaded sleeve, which is close to the external thread section of the front shell, is a second taper hole. A first C-shaped outer taper ring is assembled in the first taper hole, a second C-shaped outer taper ring is assembled in the second taper hole, and the opening widths of the first C-shaped outer taper ring and the second C-shaped outer taper ring are greater than the width of an axial convex rib of a cable outer cover layer. When the front shell and the rear threaded sleeve are mutually screwed through threaded connection, the opposite end faces of the first C-shaped outer taper ring and the second C-shaped outer taper ring are mutually supported and contacted, and the inner diameters of the first C-shaped outer taper ring and the second C-shaped outer taper ring has the simultaneous shrunken tendency. By adopting the utility model, the shell, the outer conductor and the cable excircle are in reliable stressed joint so that the clamping is reliable. The axial convex rib part of the cable outer cover layer is not needed to be repaired and removed. Therefore, the connection operation is obviously simplified and is very convenient.
Description
Technical field
The utility model relates to a kind of electric signal connector, and especially a kind of double wedge type radio frequency connector belongs to technical field of communication transmission facilities.
Background technology
Radio frequency connector is of a great variety, and its basic role is to realize respectively that by self syndeton inner casing and shell are electrically connected with the cable core and the reliable of outer conductor of telecommunication cable, thereby further realizes the grafting with corresponding plug assembly.
Understand according to the applicant, standard N, 7/16 connector are the helicitic texture high turbines that meets IEC169-4 ,-16 standards, have that vibration resistance is strong, characteristics such as machinery and excellent electrical properties, be widely used in and connect the radio-frequency (RF) coaxial leaky cable in the radio communication on the message transmission of train and the highway and use.But adopt above-mentioned existing clamping structure to have following problem: 1) cable and outer conductor portion wherein need be taked the clamping measure respectively, and be not only cumbersome during installation, and be difficult to clamp; 2) the axial convex tendon of protective coverings of cable partly need be repaiied and remove; 3) cable inner conductor needs tapping.When breaking down, need back out inner wire, complicated operation, particularly inconvenient especially in the place of mine tunnel and so on.Utilize the conical surface to clamp to be and a kind ofly can solve the good plan that is difficult to the problem that clamps.For example application number is that 200720032803.0 Chinese patent application promptly discloses a kind of high-performance radio-frequency connector of exempting to weld, and comprises nut and shell and sealing ring, it is characterized in that the gland inner chamber is a taper seat, and this taper seat directly and the shell press fit.But this structure is difficult to be directly used in and addresses the above problem.
The utility model content
The purpose of this utility model is: at the problem that above-mentioned prior art exists, propose a kind of easy for installation, can solve the double wedge type radio frequency connector that cable and outer conductor wherein clamp problem simultaneously.
In order to reach above purpose, double wedge type radio frequency connector of the present utility model comprises by spiral and screws the front casing of connection and rear thread sleeve, isolates the inner wire that is arranged in front casing by insulator; One end of the contiguous rear thread sleeve of described front casing has internal thread, described internal thread and the first taper hole adjacency with band positioning step; One end of the contiguous front casing of described rear thread sleeve has external thread section, and the endoporus of described external thread section is second taper hole opposite with the first taper hole taper direction; Be fitted with the outer conical ring of a C shape that internal diameter and cable outer conductor external diameter match in described first taper hole, be fitted with the outer conical ring of the 2nd C shape that the internal diameter and the outside diameter of cable match in described second taper hole, the A/F of the outer conical ring of the described first and second C shapes is greater than the width of the axial convex tendon of protective coverings of cable; When described front casing and rear thread sleeve screwed mutually by being threaded, the opposing end surface of outer conical ring of a described C shape and the outer conical ring of the 2nd C shape compressed mutually and contacts, and the trend of dwindling appears in the internal diameter of outer conical ring of a described C shape and the outer conical ring of the 2nd C shape simultaneously.
When being connected with cable, a C shape outer cone hoop is enclosed within outside the outer conductor that cable socket strips out, and the 2nd C shape outer cone hoop is enclosed within on the cable cylindrical, and C shape opening just in time gets out of the way the axial convex tendon of cable cylindrical, therefore need not to repair earlier the operation except that convex tendon.When screwing front casing and rear thread sleeve, along with dwindling gradually of the whole axial dimension of shell, first and second taper holes of An Zhuaning make the outer conical ring of the first and second C shapes be subjected to radial compression simultaneously respectively back-to-back, thereby the trend of dwindling appears in internal diameter, wedging outer conductor and cable cylindrical form the reliable connection that foot has enough tension pulls out force respectively.
Because consider that it is to guarantee to electrically contact that outer conical ring of a C shape and contacting of outer conductor mainly act on, the outer conical ring of the 2nd C shape contacts then mainly for anti-pulling with the cable cylindrical.Therefore, the utility model is further perfect is that the tapering of described first taper hole is greater than the tapering of second taper hole.Like this, can make the outer conical ring of the second C shape to the wedging power of cable cylindrical wedging power, thereby more correspond to actual needs greater than the outer external conductor of conical ring of a C shape.
The utility model further improves, the interior circle of the outer conical ring of described first shape has all axially extended convex tendons, make the outer conical ring of a C shape form embedded the contact like this, thereby guarantee reliable electrical contact, and help further to strengthen the tension pull out force with the part of outer conductor.
This shows that behind employing the utility model, reliable wedging is connected reliable clamping to shell with the cable cylindrical with outer conductor simultaneously; The axial convex tendon of protective coverings of cable partly need not to repair to remove; Therefore attended operation is obviously simplified, and is very convenient.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the structural representation of taking apart of Fig. 1 embodiment.
1 is the umbrella shape reed among the figure, the 2nd, and lining, the 3rd, inner wire seat, the 5th, inner wire, the 6th, insulator, the 7th, shell, the 8th, snap ring, the 9th, wire clamp, the 10th, swivel nut, the 11st, rear thread sleeve, the 12nd, rubber packing, the 13rd, sealing ring.
Embodiment
Embodiment one
A kind of double wedge type radio frequency connector basic structure of present embodiment as depicted in figs. 1 and 2, front casing 7 and rear thread sleeve 11 screw by spiral and are connected, inner wire 5 is isolated by insulator 6 and is arranged in front casing 7.One end of front casing 7 contiguous rear thread sleeves 11 has internal thread, internal thread and the first taper hole adjacency with band positioning step.One end of rear thread sleeve 11 contiguous front casings 7 has external thread section, and the endoporus of external thread section is second taper hole opposite with the first taper hole taper direction.Be fitted with the outer conical ring (being commonly called as lining) 2 of a C shape that internal diameter and cable outer conductor external diameter match in first taper hole, be fitted with the width of the A/F of the outer conical ring of outer conical ring (being commonly called as wire clamp) 9, the first and second C shapes of the 2nd C shape that the internal diameter and the outside diameter of cable match in second taper hole greater than the axial convex tendon of protective coverings of cable.The tapering of first taper hole is greater than the tapering of second taper hole, and the interior circle of the outer conical ring 2 of a C shape has all axially extended convex tendon 2-1.When assembling, front casing 7 and rear thread sleeve 11 screw mutually by being threaded, the opposing end surface of outer conical ring 2 of the one C shape and the outer conical ring 9 of the 2nd C shape compresses mutually and contacts, and the trend of dwindling appears in two ring internal diameters simultaneously under the tapering effect, thereby banding is with cable outer conductor and protective coverings of cable respectively.And because the tapering of first taper hole is greater than the tapering of second taper hole, and the interior circle of the outer conical ring of a C shape has convex tendon, therefore the outer conical ring of the 2nd C shape has formed reliable wedging clamping action to protective coverings of cable, and then produce enough anti-pulling performances, the outer conical ring of the one C shape then mainly passes through convex tendon, outer conductor in the tight protective coverings of cable of embedding forms reliably and is electrically connected the also auxiliary anti-pulling effect of generation simultaneously.
In addition, as seen from Figure 2, after an end of inner wire 5 passes the central through hole of insulator 6, umbrella shape reed 1 is housed also, and forms with the centre bore of inner wire seat 3 opposite ends and to peg graft, thus the blind inserting of inner wire that has formed reliable contact close, easy to use.
Facts have proved that the double wedge type radio frequency connector of present embodiment is compared with existing N, 7/16 radio frequency connector, and is rational in infrastructure, cost reduces, and directly inserts and extracts, and is simple to operate, saved the operating time of project installation and maintenance, improved project installation and maintenance efficiency.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (4)
1. double wedge type radio frequency connector comprises by spiral screwing the front casing of connection and rear thread sleeve, isolating the inner wire that is arranged in front casing by insulator; It is characterized in that: an end of the contiguous rear thread sleeve of described front casing has internal thread, described internal thread and the first taper hole adjacency with band positioning step; One end of the contiguous front casing of described rear thread sleeve has external thread section, and the endoporus of described external thread section is second taper hole opposite with the first taper hole taper direction; Be fitted with the outer conical ring of a C shape that internal diameter and cable outer conductor external diameter match in described first taper hole, be fitted with the outer conical ring of the 2nd C shape that the internal diameter and the outside diameter of cable match in described second taper hole, the A/F of the outer conical ring of the described first and second C shapes is greater than the width of the axial convex tendon of protective coverings of cable; When described front casing and rear thread sleeve screwed mutually by being threaded, the opposing end surface of outer conical ring of a described C shape and the outer conical ring of the 2nd C shape compressed mutually and contacts, and the trend of dwindling appears in the internal diameter of outer conical ring of a described C shape and the outer conical ring of the 2nd C shape simultaneously.
2. double wedge type radio frequency connector according to claim 1 is characterized in that: the tapering of described first taper hole is greater than the tapering of second taper hole.
3. double wedge type radio frequency connector according to claim 2 is characterized in that: the interior circle of the outer conical ring of a described C shape has all axially extended convex tendons.
4. double wedge type radio frequency connector according to claim 2 is characterized in that: an end of described inner wire passes the central through hole of insulator, and the umbrella shape reed is housed, and pegs graft with the centre bore formation of inner wire seat opposite end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201803870U CN201699272U (en) | 2010-05-06 | 2010-05-06 | Double-wedge type radio frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201803870U CN201699272U (en) | 2010-05-06 | 2010-05-06 | Double-wedge type radio frequency connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201699272U true CN201699272U (en) | 2011-01-05 |
Family
ID=43400518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201803870U Expired - Lifetime CN201699272U (en) | 2010-05-06 | 2010-05-06 | Double-wedge type radio frequency connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201699272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841108A (en) * | 2010-05-06 | 2010-09-22 | 镇江市正恺电子有限公司 | Double wedge type radio frequency connector |
-
2010
- 2010-05-06 CN CN2010201803870U patent/CN201699272U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841108A (en) * | 2010-05-06 | 2010-09-22 | 镇江市正恺电子有限公司 | Double wedge type radio frequency connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110105 Effective date of abandoning: 20110914 |