CN212062745U - Press-fit radio frequency coaxial connector - Google Patents
Press-fit radio frequency coaxial connector Download PDFInfo
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- CN212062745U CN212062745U CN202020405941.4U CN202020405941U CN212062745U CN 212062745 U CN212062745 U CN 212062745U CN 202020405941 U CN202020405941 U CN 202020405941U CN 212062745 U CN212062745 U CN 212062745U
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Abstract
A press-fit radio frequency coaxial connector comprises a cable main body, a fixed sleeve outer conductor and a connector main body, wherein the cable main body comprises a cable inner conductor, the outer side of the cable inner conductor is fixedly provided with the cable outer conductor, the outer side of the cable outer conductor is fixedly provided with an outer sleeve, and the lengths of the cable inner conductor, the cable outer conductor and the outer sleeve are sequentially reduced; the outer conductor of the fixed sleeve comprises a conductor body, and the end part of the conductor body is provided with a fixed ring; the inner part of the fixing ring is connected with the elastic sheet; the inner thread of the conductor body is connected with the outer conductor of the cable, and the fixing ring and the elastic sheet are pressed into the outer wall of the outer sleeve; the outer conductor of the fixing sleeve and the assembly of the cable main body are pressed into the connector main body. The utility model discloses utilize fixed cover outer conductor to set up the mode of the solid fixed ring centre gripping fixed cable overcoat of structure and cable outer conductor of special construction, can realize reliably connecting between fixed cover outer conductor and cable outer conductor, the cable overcoat.
Description
Technical Field
The utility model belongs to the technical field of communication connector, in particular to press-fit type radio frequency coaxial connector.
Background
With the rapid development of mobile communication industry, the demand for low-cross-talk, high-power and low-loss antenna feeder cables is increasing, and therefore 1/2S spiral cable assembly is increasingly used in signal transmission systems.
The radio frequency coaxial connector and 1/2' S spiral cable are commonly connected in the industry in a welding mode, an assembling mode and a press-fit mode. For the press-fit structure, the interference press-fit is realized in the industry.
The existing connector for matching and connecting 1/2' S spiral cables only clamps the outer conductor of the cable simply on the end face, gaps among other parts, the outer conductor of the cable and the outer sheath are large, contact of the outer conductor of the cable is unstable under the condition that the cable shakes, so that intermodulation is extremely unstable, the same problem also occurs on the structure of the inner conductor, and the two factors have important influence on the stability of dynamic intermodulation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists provides a press-fit type radio frequency coaxial connector, and concrete technical scheme is as follows:
a press-fit radio frequency coaxial connector comprises a cable main body, a fixed sleeve outer conductor and a connector main body, wherein the cable main body comprises a cable inner conductor, the outer side of the cable inner conductor is fixedly provided with the cable outer conductor, the outer side of the cable outer conductor is fixedly provided with an outer sleeve, and the lengths of the cable inner conductor, the cable outer conductor and the outer sleeve are sequentially reduced; the outer conductor of the fixed sleeve comprises a conductor body, and the end part of the conductor body is provided with a fixed ring; the inner part of the fixing ring is connected with the elastic sheet; the inner thread of the conductor body is connected with the outer conductor of the cable, and the fixing ring and the elastic sheet are pressed into the outer wall of the outer sleeve; the outer conductor of the fixing sleeve and the assembly of the cable main body are pressed into the connector main body.
Furthermore, the inner wall of the fixing ring is provided with a milling groove.
Further, the inner wall of the fixing ring is provided with a boss, and the diameter of the boss is located between the cable outer conductor and the diameter of the outer sleeve.
Furthermore, the fixing ring is in a horn shape, and the fixing ring and the conductor body are integrally formed; an inner spiral groove is formed in the conductor body, and an outer spiral groove is formed in the outer portion of the cable outer conductor; the inner spiral groove is matched with the outer spiral groove.
Furthermore, a first insulator and a second insulator are arranged in the connector main body, and a connector inner conductor is arranged in the second insulator.
The utility model has the advantages that:
the press-fit radio frequency coaxial connector of the utility model utilizes the mode that the structure fixing ring with a special structure is arranged on the outer conductor of the fixing sleeve to clamp and fix the cable jacket and the cable outer conductor, and can realize the reliable connection between the outer conductor of the fixing sleeve and the cable outer conductor as well as the cable jacket; the inner conductor is fastened by the insulator, so that the reliable connection between the inner conductor and the cable inner conductor is realized; therefore, the connection reliability between the connector and the cable is effectively improved, and the aim of effectively reducing the passive intermodulation of the connector is finally achieved.
Drawings
Fig. 1 shows a schematic view of a split structure of a cable main body and an outer conductor of a fixing sleeve according to an embodiment of the present invention;
fig. 2 is a schematic view showing an assembly connection structure of a cable main body and a fixing sleeve outer conductor according to an embodiment of the present invention;
fig. 3 is a schematic view showing a split structure of the cable main body, the outer conductor assembly of the fixing sleeve and the connector main body assembly according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram illustrating the assembly of the cable main body, the outer conductor assembly of the fixing sleeve and the connector main body assembly according to the embodiment of the present invention;
fig. 5 shows an internal split structural diagram of the connector body assembly according to an embodiment of the present invention.
Shown in the figure: 1. the cable comprises a cable main body, 11, an outer sleeve, 12, a cable outer conductor, 121, an outer spiral groove, 13, a cable inner conductor, 2, a fixed sleeve outer conductor, 21, a conductor body, 211, an inner spiral groove, 22, a fixed ring, 221, a boss, 222, a milling groove, 23, an elastic sheet, 3, a connector main body, 4, a first insulator, 5, a connector inner conductor, 6 and a second insulator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A press-fit radio frequency coaxial connector comprises a cable main body 1, a fixed sleeve outer conductor 2 and a connector main body 3, wherein the cable main body 1 comprises a cable inner conductor 13, a cable outer conductor 12 is fixed on the outer side of the cable inner conductor 13, an outer sleeve 11 is fixed on the outer side of the cable outer conductor 12, and the lengths of the cable inner conductor 13, the cable outer conductor 12 and the outer sleeve 11 are sequentially reduced;
the outer conductor 2 of the fixed sleeve comprises a conductor body 21, and the end part of the conductor body 21 is provided with a fixed ring 22; the inner part of the fixing ring 22 is connected with an elastic sheet 23; the inner thread of the conductor body 21 is connected with the cable outer conductor 12, and the fixing ring 22 and the elastic sheet 23 are pressed into the outer wall of the outer sleeve 11; the assembly of the outer conductor 2 of the fixing sleeve and the cable main body 1 is pressed into the connector main body 3; the reliable connection between the fixed sleeve outer conductor 2 of the connector, the cable outer conductor 12 and the cable outer conductor 11 can be realized by utilizing the mode that the fixed sleeve outer conductor 2 is provided with the fixed ring 22 with a special structure to clamp and fix the cable outer conductor 11 and the cable outer conductor 12.
As a modification of the above technical solution, a milling groove 222 is provided on an inner wall of the fixing ring 22, and the milling groove 222 limits the insertion depth of the outer sleeve 11.
As an improvement of the above technical solution, a boss 221 is disposed at an inner wall of the fixing ring 22, and a diameter of the boss 221 is located between the cable outer conductor 12 and the diameter of the outer jacket 11, so as to clamp and fix the cable main body 1.
As an improvement of the above technical solution, the fixing ring 22 is in a horn shape, and the fixing ring 22 and the conductor body 21 are integrally formed; an inner spiral groove 211 is formed in the conductor body 21, and an outer spiral groove 121 is formed in the outer portion of the cable outer conductor 12; the inner spiral groove 211 is matched with the outer spiral groove 121, so that the cable body 1 and the outer conductor 2 of the fixing sleeve are fixed.
As a modification of the above technical solution, a first insulator 4 and a second insulator 6 are provided in the connector main body 3, and a connector inner conductor 5 is provided in the second insulator 6.
Fig. 1 shows a schematic diagram of a split structure of a cable main body and a fixing sleeve outer conductor according to an embodiment of the present invention, and exemplarily, as shown in fig. 1, the cable main body 1 includes an outer sleeve 11 located at the outermost side, a cable outer conductor 12 is disposed inside the outer sleeve 11, and a cable inner conductor 13 is disposed inside the cable outer conductor 12; the cable inner conductor 13 is positioned at the center and has the longest length; the cable outer conductor 12 is shorter in length than the cable inner conductor 13; the outer spiral groove 121 is distributed on the outer surface of the cable outer conductor 12, and the length of the cable outer conductor 12 is larger than that of the outer sleeve 11; the outer conductor 2 of the fixing sleeve comprises a conductor body 21 and a fixing ring 22, the conductor body 21 and the fixing ring 22 are integrally formed, an inner spiral groove 211 is formed in the inner wall of the conductor body 21, and a boss 221 and a milling groove 222 are formed in the inner wall of the fixing ring 22; the fixing ring 22 is provided with an elastic sheet 23;
fig. 2 shows the utility model discloses cable main part and fixed cover outer conductor's assembly structure sketch map, it is exemplary, as shown in fig. 2, when the assembly, make conductor body 21 and cable outer conductor 12 threaded connection, connect the inside that fixed cover outer conductor 2 was inserted to back cable main part 1, insert back milling flutes 222 and support the tip of overcoat 11, gu fixed ring 22 tail end boss (221) shrink to the interior hole direction, the shell fragment 23 of cooperation compression realizes fixed cover outer conductor 2 tail end locking cable overcoat 11 and cable outer conductor 12.
Fig. 3 shows a split structural schematic diagram of a cable main body, a fixing sleeve outer conductor assembly and a connector main body assembly of an embodiment of the present invention, fig. 4 shows a structural schematic diagram of an assembly of a cable main body, a fixing sleeve outer conductor assembly and a connector main body assembly of an embodiment of the present invention, fig. 5 shows an internal split structural schematic diagram of a connector main body assembly of an embodiment of the present invention, exemplarily, as shown in fig. 3-5, wherein a assembly of a fixing sleeve outer conductor 2 and a cable main body 1 is press-fitted into a connector main body 3 assembly; wherein the first insulator 4 is fitted into the connector main body 3, the connector inner conductor 5 is fitted into the second insulator 6, and the combined piece of the connector inner conductor 5 and the second insulator 6 is fitted into the combined piece of the connector main body 3 and the first insulator 4.
The utility model discloses the assembling process as follows:
the first insulator 4 is fitted into the connector main body 3, the connector inner conductor 5 is fitted into the second insulator 6, and the combined piece of the connector inner conductor 5 and the second insulator 6 is fitted into the combined piece of the connector main body 3 and the first insulator 4;
the outer conductor 2 of the fixed sleeve is spirally assembled on the cable main body 1, the assembly of the outer conductor 2 of the fixed sleeve and the cable main body 1 is pressed in the assembly of the connector main body 3, the fixed ring 22 of the outer conductor 2 of the fixed sleeve is compressed in the assembling process, and the boss 221 at the tail end of the fixed ring 22 is contracted towards the direction of the inner hole, so that the cable outer sleeve 11 and the outer conductor 12 of the cable are locked at the tail end of the outer conductor 2 of the fixed sleeve; the first insulator 4 fastens the cable inner conductor 13, and the cable inner conductor 13 is inserted into the connector inner conductor 5 and fastened by the first insulator 4.
The press-fit radio frequency coaxial connector of the utility model utilizes the mode that the structure fixing ring with a special structure is arranged on the outer conductor of the fixing sleeve to clamp and fix the cable jacket and the cable outer conductor, and can realize the reliable connection between the outer conductor of the fixing sleeve and the cable outer conductor as well as the cable jacket; the inner conductor is fastened by the insulator, so that the reliable connection between the inner conductor and the cable inner conductor is realized; therefore, the connection reliability between the connector and the cable is effectively improved, and the aim of effectively reducing the passive intermodulation of the connector is finally achieved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A press-fit radio frequency coaxial connector, characterized by: the cable comprises a cable main body (1), a fixed sleeve outer conductor (2) and a connector main body (3), wherein the cable main body (1) comprises a cable inner conductor (13), a cable outer conductor (12) is fixed on the outer side of the cable inner conductor (13), an outer sleeve (11) is fixed on the outer side of the cable outer conductor (12), and the lengths of the cable inner conductor (13), the cable outer conductor (12) and the outer sleeve (11) are sequentially reduced;
the outer conductor (2) of the fixed sleeve comprises a conductor body (21), and the end part of the conductor body (21) is provided with a fixed ring (22); the inner part of the fixing ring (22) is connected with an elastic sheet (23);
the inner part of the conductor body (21) is connected with the cable outer conductor (12) in a threaded manner, and the fixing ring (22) and the elastic sheet (23) are pressed into the outer wall of the outer sleeve (11); the outer conductor (2) of the fixed sleeve and the assembly of the cable main body (1) are pressed into the connector main body (3).
2. A press-fit radio frequency coaxial connector according to claim 1, wherein: the inner wall of the fixing ring (22) is provided with a milling groove (222).
3. A press-fit radio frequency coaxial connector according to claim 1, wherein: the inner wall department of solid fixed ring (22) is equipped with boss (221), the diameter of boss (221) is located cable outer conductor (12) with between the diameter of overcoat (11).
4. A press-fit radio frequency coaxial connector according to claim 1, wherein: the fixing ring (22) is in a horn shape, and the fixing ring (22) and the conductor body (21) are integrally formed; an inner spiral groove (211) is formed in the conductor body (21), and an outer spiral groove (121) is formed in the outer portion of the cable outer conductor (12); the inner spiral groove (211) is matched with the outer spiral groove (121).
5. A press-fit radio frequency coaxial connector according to claim 1, wherein: the connector is characterized in that a first insulator (4) and a second insulator (6) are arranged in the connector main body (3), and a connector inner conductor (5) is arranged in the second insulator (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020405941.4U CN212062745U (en) | 2020-03-26 | 2020-03-26 | Press-fit radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020405941.4U CN212062745U (en) | 2020-03-26 | 2020-03-26 | Press-fit radio frequency coaxial connector |
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| Publication Number | Publication Date |
|---|---|
| CN212062745U true CN212062745U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020405941.4U Active CN212062745U (en) | 2020-03-26 | 2020-03-26 | Press-fit radio frequency coaxial connector |
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| CN (1) | CN212062745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253034A (en) * | 2021-05-31 | 2021-08-13 | 广东电网有限责任公司东莞供电局 | Electric power automation comprehensive test device |
-
2020
- 2020-03-26 CN CN202020405941.4U patent/CN212062745U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253034A (en) * | 2021-05-31 | 2021-08-13 | 广东电网有限责任公司东莞供电局 | Electric power automation comprehensive test device |
| CN113253034B (en) * | 2021-05-31 | 2021-09-28 | 广东电网有限责任公司东莞供电局 | Electric power wiring plug plugging device |
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