CN211295623U - Millimeter wave coaxial connector - Google Patents
Millimeter wave coaxial connector Download PDFInfo
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- CN211295623U CN211295623U CN202020251095.5U CN202020251095U CN211295623U CN 211295623 U CN211295623 U CN 211295623U CN 202020251095 U CN202020251095 U CN 202020251095U CN 211295623 U CN211295623 U CN 211295623U
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- sleeve
- insulator
- millimeter wave
- coaxial connector
- central needle
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Abstract
The utility model relates to a millimeter wave coaxial connector, which comprises a central needle, a first sleeve and a second sleeve; the center needle is coaxially arranged in the first sleeve, a first insulator and an insulating layer are arranged at one end and the inner wall of the first sleeve, the center needle is fixed on the first insulator, a V-shaped elastic clamping piece with symmetrical center is arranged on the first insulator, an installation part for fixing a coaxial cable is arranged at the other end of the second sleeve, a second insulator is fixedly arranged at the middle position of the second sleeve, a through hole coaxial with the second sleeve is formed in the second insulator, and a protruding part is arranged on the side surface of the second insulator; axial motion when utilizing first sleeve pipe and second bushing to connect drives the bellying and extrudes the elasticity card of V font for the elasticity card radially expands, thereby extrudees and fixed coaxial cable's heart yearn, compares with traditional coaxial connector, the utility model discloses a structure is more stable firm when fixed heart yearn.
Description
Technical Field
The utility model relates to a coaxial connector technical field specifically is a millimeter wave coaxial connector.
Background
With the development of the microwave communication industry, microwave equipment is deployed in various specific places, such as aircrafts, satellites, naval vessels, electric locomotives, communication vehicles, monitoring vehicles, vehicle-mounted communication equipment and the like, and has severe environments, such as occasions with high vibration and impact strength. In these particular situations, stringent requirements are placed on the reliability of the communication device. Since these applications are harsh environments, which may cause communication line interruption or communication failure due to poor contact, it is desirable to have a product that can accommodate such harsh environments. Coaxial rf connectors, as a type of joint for communication cables, require highly reliable physical and electrical connections. Under such severe environments, it is proposed that even if the environment is further severe, more secure reliable connection performance is desired.
The existing coaxial connector, especially millimeter wave products in the microwave industry, basically adopts a plug-in type structure, and the problems of the traditional plug-in type connector appear as follows: the center pin is generally in a split groove structure and can be elastically connected with a cable core, but under severe environment, the plug-in connector can possibly cause the center pin of the connector to be loosened from the cable core due to external force, so that communication line faults are caused.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a millimeter wave coaxial connector can fix center pin and cable conductor more firmly, avoids not hard up that external force caused.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model relates to a millimeter wave coaxial connector, which comprises a center needle, a first sleeve and a second sleeve;
the central needle is coaxially arranged in the first sleeve, a first insulator and an insulating layer are arranged at one end and the inner wall of the first sleeve, the central needle is fixed on the first insulator, the central needle is positioned on the central axis of the first sleeve, a plurality of V-shaped elastic clamping pieces which are symmetrical with the central axis of the first sleeve are arranged on the first insulator, and a first connecting part is arranged at the other end of the first sleeve;
a second connecting part matched with the first connecting part is arranged at one end of the second sleeve, an installation part for fixing a coaxial cable is arranged at the other end of the second sleeve, a second insulator is fixedly arranged at the middle position of the second sleeve, a through hole coaxial with the second sleeve is arranged on the second insulator, and a convex part is arranged on the side surface of the second insulator;
when the first connecting portion is connected with the second connecting portion, the protruding portion transversely extrudes the elastic clamping piece.
The first connecting portion are connected with the second connecting portion, the other end of the second sleeve is used for fixing a coaxial cable, a core wire of the coaxial cable penetrates through the through hole in the second insulator to the interior of the first sleeve and is connected with the central needle, and meanwhile, the protruding portion also transversely extrudes the V-shaped elastic clamping piece along with the through hole, so that the elastic clamping piece is deformed to compress the core wire of the coaxial cable.
Furthermore, the middle part of the central needle is fixed on the first insulator, two ends of the central needle are respectively positioned inside and outside the first sleeve, and a groove is formed in the end face of one end of the central needle positioned in the first sleeve.
Further, the first connecting portion is an external thread arranged on the outer wall of the other end of the first sleeve, and the second connecting portion is an internal thread arranged on the inner wall of one end of the second sleeve.
Further, the elastic clamping piece is a metal sheet with elasticity.
Further, the first and second sleeves are both made of metal.
Further, the installation part is a two-stage annular step arranged on the inner wall of the other end of the second sleeve.
The utility model has the advantages that: the utility model discloses a millimeter wave coaxial connector, coaxial cable is fixed to the second sleeve pipe, and the axial motion when utilizing first sleeve pipe and second sleeve pipe to connect drives the bellying and extrudees the elasticity card of V font for the elasticity card radially expands, thereby extrudees and fixed coaxial cable's heart yearn, compares with traditional coaxial connector, the utility model discloses a structure is more stable firm when fixed heart yearn.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic diagram of a separation structure of the present invention;
FIG. 2 is a schematic view of the assembly structure of the present invention;
the reference numbers are as follows: 1-central needle, 2-first sleeve, 3-second sleeve, 4-coaxial cable, 11-groove, 21-first insulator, 22-insulating layer, 23-elastic card, 24-first connecting part, 31-second insulator, 32-through hole, 33-mounting part, 34-second connecting part, 41-core wire and 42-shielding layer.
Detailed Description
As shown in fig. 1-2: the millimeter wave coaxial connector of the embodiment comprises a central needle 1, a first sleeve 2 and a second sleeve 3;
the central needle 1 is coaxially arranged in the first sleeve 2, a first insulator 21 and an insulating layer 22 are arranged at one end and the inner wall of the first sleeve 2, the central needle 1 is fixed on the first insulator 21, the central needle 1 is positioned on the central axis of the first sleeve 2, a plurality of V-shaped elastic clamping pieces 23 which are symmetrical with the central axis of the first sleeve 2 are arranged on the first insulator 21, and a first connecting part 24 is arranged at the other end of the first sleeve 2;
one end of the second sleeve 3 is provided with a second connecting part 34 matched with the first connecting part 24, the other end of the second sleeve 3 is provided with an installation part 33 used for fixing the coaxial cable 4, the middle position of the second sleeve is fixedly provided with a second insulator 31, the second insulator 31 is provided with a through hole 32 coaxial with the second sleeve 3, and the side surface of the second insulator 31 is provided with a convex part;
when the first connecting portion 24 is connected with the second connecting portion 34, the convex portion presses the elastic clamping piece 23 transversely.
The first connecting portion 24 is connected with the second connecting portion 34, the other end of the second sleeve is used for fixing the coaxial cable 4, the core wire 41 of the coaxial cable 4 passes through the through hole 32 on the second insulator 31 into the first sleeve 2 to be connected with the central needle 1, and meanwhile, the protruding portion also transversely extrudes the V-shaped elastic clamping pieces 23, so that the elastic clamping pieces 23 deform to press the core wire 41 of the coaxial cable 4.
In this embodiment, the middle part of the center needle 1 is fixed on the first insulator 21, the two ends of the center needle 1 are respectively located inside and outside the first sleeve 2, the end face of one end of the center needle 1 located inside the first sleeve 2 is provided with the groove 11, and the end of the core wire 41 of the coaxial cable 4 is inserted into the groove 11, so that the connection is more stable.
In this embodiment, the first connecting portion 24 is an external thread provided on the outer wall of the other end of the first casing 2, and the second connecting portion 34 is an internal thread provided on the inner wall of one end of the second casing 3.
In this embodiment, the elastic clip 23 is a metal sheet with elasticity, and when the internal and external threads are unscrewed, the first sleeve 2 and the second sleeve 3 are separated, the elastic metal sheet is restored to its original shape, so as to facilitate the next connection.
In this embodiment, the first sleeve 2 and the second sleeve 3 are made of metal, and the first sleeve 2 and the second sleeve 3 are used for connecting the shielding layer 42 of the coaxial cable 4, and therefore need to be conductive, and are preferably made of copper.
In this embodiment, the mounting portion 33 is a second-level annular step provided on the inner wall of the other end of the second sleeve 3, when the coaxial cable is stripped, the shielding layer 42 and the core wire 41 are exposed in a stepped manner and inserted into the mounting portion 33 according to the shape matched with the second-level annular step, and finally the mounting portion 33 is pressed and deformed by an allen-head crimping pliers, so that the coaxial cable 4 can be fixed.
The utility model discloses a millimeter wave coaxial connector, the fixed coaxial cable 4 of second sleeve pipe 3, axial motion when utilizing first sleeve pipe 2 and second sleeve pipe 3 to connect drives the bellying and extrudes the elasticity card 23 of V font for elasticity card 23 radially expands, thereby extrudees and fixes coaxial cable 4's heart yearn 41, compares with traditional coaxial connector, the utility model discloses a structure is more stable firm when fixed heart yearn 41.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. A millimeter wave coaxial connector, characterized by: comprises a central needle, a first sleeve and a second sleeve;
the central needle is coaxially arranged in the first sleeve, a first insulator and an insulating layer are arranged at one end and the inner wall of the first sleeve, the central needle is fixed on the first insulator, the central needle is positioned on the central axis of the first sleeve, a plurality of V-shaped elastic clamping pieces which are symmetrical with the central axis of the first sleeve are arranged on the first insulator, and a first connecting part is arranged at the other end of the first sleeve;
a second connecting part matched with the first connecting part is arranged at one end of the second sleeve, an installation part for fixing a coaxial cable is arranged at the other end of the second sleeve, a second insulator is fixedly arranged at the middle position of the second sleeve, a through hole coaxial with the second sleeve is arranged on the second insulator, and a convex part is arranged on the side surface of the second insulator;
when the first connecting portion is connected with the second connecting portion, the protruding portion transversely extrudes the elastic clamping piece.
2. A millimeter wave coaxial connector according to claim 1, wherein: the middle part of the central needle is fixed on the first insulator, two ends of the central needle are respectively positioned inside and outside the first sleeve, and a groove is formed in the end face of one end of the central needle, which is positioned in the first sleeve.
3. A millimeter wave coaxial connector according to claim 1, wherein: the first connecting portion is an external thread arranged on the outer wall of the other end of the first sleeve, and the second connecting portion is an internal thread arranged on the inner wall of one end of the second sleeve.
4. A millimeter wave coaxial connector according to claim 1, wherein: the elastic clamping piece is a metal sheet with elasticity.
5. A millimeter wave coaxial connector according to claim 1, wherein: the first and second sleeves are made of metal.
6. A millimeter wave coaxial connector according to claim 1, wherein: the installation part is a two-stage annular step arranged on the inner wall of the other end of the second sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020251095.5U CN211295623U (en) | 2020-03-03 | 2020-03-03 | Millimeter wave coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020251095.5U CN211295623U (en) | 2020-03-03 | 2020-03-03 | Millimeter wave coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211295623U true CN211295623U (en) | 2020-08-18 |
Family
ID=72021501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020251095.5U Active CN211295623U (en) | 2020-03-03 | 2020-03-03 | Millimeter wave coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211295623U (en) |
-
2020
- 2020-03-03 CN CN202020251095.5U patent/CN211295623U/en active Active
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