CN219874127U - SMP type microstrip radio frequency coaxial connector - Google Patents
SMP type microstrip radio frequency coaxial connector Download PDFInfo
- Publication number
- CN219874127U CN219874127U CN202321045528.1U CN202321045528U CN219874127U CN 219874127 U CN219874127 U CN 219874127U CN 202321045528 U CN202321045528 U CN 202321045528U CN 219874127 U CN219874127 U CN 219874127U
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- China
- Prior art keywords
- insulator
- microstrip
- outer conductor
- convex ring
- radio frequency
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Links
- 239000004020 conductor Substances 0.000 claims abstract description 70
- 239000012212 insulator Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 6
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model relates to an SMP type microstrip radio frequency coaxial connector, which comprises an inner conductor, an outer conductor and an insulator; the inner conductor is fixedly arranged in the outer conductor through an insulator; the middle part of the outer conductor is fixedly connected with the insulator, one end of the outer conductor forms a contact pin, and the other end forms a jack microstrip; the jack microstrip is suitable for being elastically spliced with the adapting hole. The SMP type microstrip radio frequency coaxial connector provided by the utility model has the advantages that the microstrip connection end of the inner conductor is used for avoiding welding, so that the microstrip of the connector can be elastically contacted and connected with the adapting hole, and can be well contacted with the adapting hole (the connecting hole of a printed board or an antenna array, etc.), thereby realizing welding-free connection and ensuring electric signal transmission.
Description
Technical Field
The utility model relates to the technical field of radio frequency connectors, in particular to an SMP type microstrip radio frequency coaxial connector.
Background
The connector is a mechanism element with electric connection characteristic, and has the main functions of electric connection and signal transmission between devices and components, between the components and a cabinet, between a system and a subsystem, and is one of essential basic elements for forming electric connection of a complete machine circuit system.
With the rapid development of the electronic industry, millimeter wave connectors such as SMP type, SSMP type, 1.85 type, 2.92 type, etc. are increasingly used in civil and military fields. The SMP type connector is used as a common millimeter wave connector, has the characteristics of small size, light weight, wide use frequency band, blind mating connection and the like, and is suitable for use occasions such as small duty cycle, high-density installation, modularization and the like.
The microstrip radio frequency coaxial connector can realize the transmission of high-quality radio frequency signals.
In the past, the microstrip on the radio frequency connector is mainly connected by welding, so that the problem of low installation efficiency of the past radio frequency connector is caused.
Disclosure of Invention
The utility model aims to solve the technical problems that: the SMP type microstrip radio frequency coaxial connector overcomes the defects of the prior art, and solves the problem of low installation efficiency of the traditional microstrip radio frequency coaxial connector.
The technical scheme adopted for solving the technical problems is as follows:
there is provided an SMP microstrip radio frequency coaxial connector comprising
An inner conductor, an outer conductor, and an insulator;
the inner conductor is fixedly arranged in the outer conductor through an insulator;
the middle part of the outer conductor is fixedly connected with the insulator, one end of the outer conductor forms a contact pin, the other end of the outer conductor forms a microstrip connection end, and the microstrip connection end is suitable for radial elastic shrinkage so as to enable the microstrip connection end to be elastically spliced with the adapting hole.
Further, the structure of the microstrip connection end is as follows:
an inserting section is formed at the end part of the inner conductor, an inner hole is formed in the inserting section, and a cross-shaped cutting groove is formed in the circumference of the inserting section, so that the inserting section is suitable for elastic shrinkage in the radial direction.
Further, a first positioning convex ring is arranged on the inserting section and comprises a front guiding conical surface, a circular ring surface and a rear guiding conical surface.
Further, the fixing structure between the inner conductor and the insulator is as follows:
the inner conductor is provided with a first barb convex ring and a second positioning convex ring;
the barb groove and the positioning groove are formed in the inner hole of the insulator, and the first barb convex ring and the second positioning convex ring are matched with the barb groove and the positioning groove respectively to limit the inner conductor to axially move in the insulator.
Further, the connection structure between the insulator and the outer conductor is as follows:
the inner hole of the outer conductor is provided with a third positioning convex ring and a second barb convex ring, the outer part of the insulator is provided with a barb groove and a positioning groove, and the first barb convex ring and the second positioning convex ring are respectively matched with the barb groove and the positioning groove to limit the outer conductor to axially move outside the insulator.
Furthermore, the inner conductor is made of beryllium bronze material.
Further, an external thread is arranged outside the outer conductor.
The beneficial effects of the utility model are as follows:
the SMP type microstrip radio frequency coaxial connector provided by the utility model has the advantages that the microstrip connection end of the inner conductor is used for avoiding welding, so that the microstrip of the connector can be elastically contacted and connected with the adapting hole, and can be well contacted with the adapting hole (the connecting hole of a printed board or an antenna array, etc.), thereby realizing welding-free connection and ensuring electric signal transmission.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an SMP microstrip RF coaxial connector according to the present utility model;
the device comprises a first outer conductor, a second outer conductor, a third positioning convex ring, a second barb convex ring and a third positioning convex ring, wherein the first outer conductor, the second outer conductor, the third positioning convex ring and the second barb convex ring are arranged in the same plane;
2. an insulator;
3. the inner conductor, 31, the contact pin, 32, the microstrip connection end, 33, the first barb convex ring, 34, the second positioning convex ring, 35, the first positioning convex ring, 36 and the cutting groove.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.
In the conventional microstrip rf coaxial connector, the microstrip can only be connected in a welding manner, so that the connector installation efficiency is low, and the SMP microstrip rf coaxial connector of the embodiment is heavy in solving the technical problem.
As shown in FIG. 1, an SMP microstrip radio frequency coaxial connector comprises
An inner conductor 3, an outer conductor 1 and an insulator 2;
the inner conductor 3 is fixedly arranged in the outer conductor 1 through the insulator 2;
the middle part of the outer conductor 1 is fixedly connected with the insulator 2, one end of the outer conductor forms a contact pin 31, the other end forms a microstrip connection end 32, and the microstrip connection end 32 is suitable for radial elastic shrinkage so as to enable the microstrip connection end 32 to be elastically spliced with the adapting hole.
Pin 31 is an SMP male standard interface pin.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, the jack microstrip has a structure as follows:
a plug section is formed at the end of the inner conductor 3, an inner hole is formed in the plug section, and a cross-shaped cutting groove 36 is formed in the circumferential direction of the plug section so that the plug section is suitable for elastic shrinkage in the radial direction.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, the microstrip connection end 32 is provided with a first positioning convex ring 35, and the first positioning convex ring 35 includes a front guiding conical surface, a torus, and a rear guiding conical surface.
The first positioning convex ring 35 is used for positioning the plugging section, and the front guiding conical surface and the rear guiding conical surface are convenient for plugging the plugging section.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, the fixing structure between the inner conductor 3 and the insulator 2 is:
the inner conductor 3 is provided with a first barb convex ring 33 and a second positioning convex ring 34;
the inner hole of the insulator 2 is provided with a barb groove and a positioning groove, and the first barb convex ring 33 and the second positioning convex ring 34 are respectively matched with the barb groove and the positioning groove to limit the inner conductor 3 to axially move in the insulator 2.
By this connection structure, the structural reliability between the insulator 2 and the inner conductor 3 is improved.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, the connection structure between the insulator 2 and the outer conductor 1 is:
the inner hole of the outer conductor 1 is provided with a third positioning convex ring 12 and a second barb convex ring 13, the outer part of the insulator 2 is provided with a barb groove and a positioning groove, and the first barb convex ring 33 and the second positioning convex ring 34 are respectively matched with the barb groove and the positioning groove to limit the outer conductor 1 to axially move outside the insulator 2.
By this connection structure, the structural reliability between the insulator 2 and the outer conductor 1 is improved.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, the inner conductor 3 is made of beryllium bronze material.
After the slot 36 of the jack microstrip is processed, the slot is then subjected to expansion treatment and proper heat treatment to fix the size of the microstrip jack.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, an external thread is provided on the outer portion of the outer conductor 1. The external thread of the outer conductor 1 can be effectively and electrically connected with the mounting plate.
The end part of the outer conductor 1 is provided with a straight installation groove 11. The mounting groove 11 is used for inserting a screwdriver, and the outer conductor 1 is driven to rotate by the screwdriver, so that the outer conductor 1 is connected with the mounting plate.
In the embodiment, the insulator 2 is made of polytetrafluoroethylene material, the material strength and the high temperature resistance are good, the insulator 2 can be fixed in the outer conductor 1, the inner conductor 3 is fixed in the insulator 2, and the structural reliability is ensured.
The SMP type microstrip radio frequency coaxial connector of the utility model, by means of the microstrip connection end 32 of the inner conductor 3, enables the microstrip of the connector to be free from welding, can be elastically contacted and connected with the adapting hole, keeps good contact with the adapting hole (connection hole of a printed board or an antenna array, etc.), realizes the free-welding connection, and ensures the transmission of electric signals.
The connector has the characteristics of small size and easy installation, is suitable for occasions of connection between modularized boards, and can realize the welding-free connection between the connector and a printed board or an antenna array. With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. An SMP microstrip radio frequency coaxial connector, comprising
An inner conductor, an outer conductor, and an insulator;
the inner conductor is fixedly arranged in the outer conductor through an insulator;
the middle part of the outer conductor is fixedly connected with the insulator, one end of the outer conductor forms a contact pin, the other end of the outer conductor forms a microstrip connection end, and the microstrip connection end is suitable for radial elastic shrinkage so as to enable the microstrip connection end to be elastically spliced with the adapting hole.
2. The SMP-type microstrip radio frequency coaxial connector according to claim 1 wherein,
the structure of the microstrip connection end is as follows:
an inserting section is formed at the end part of the inner conductor, an inner hole is formed in the inserting section, and a cross-shaped cutting groove is formed in the circumference of the inserting section, so that the inserting section is suitable for elastic shrinkage in the radial direction.
3. The SMP-type microstrip radio frequency coaxial connector according to claim 2 wherein,
the plug-in section is provided with a first positioning convex ring, and the first positioning convex ring comprises a front guiding conical surface, a circular ring surface and a rear guiding conical surface.
4. The SMP-type microstrip radio frequency coaxial connector according to claim 1 wherein,
the fixed structure between the inner conductor and the insulator is as follows:
the inner conductor is provided with a first barb convex ring and a second positioning convex ring;
the barb groove and the positioning groove are formed in the inner hole of the insulator, and the first barb convex ring and the second positioning convex ring are matched with the barb groove and the positioning groove respectively to limit the inner conductor to axially move in the insulator.
5. The SMP-type microstrip radio frequency coaxial connector according to claim 4 wherein,
the connection structure between the insulator and the outer conductor is as follows:
the inner hole of the outer conductor is provided with a third positioning convex ring and a second barb convex ring, the outer part of the insulator is provided with a barb groove and a positioning groove, and the first barb convex ring and the second positioning convex ring are respectively matched with the barb groove and the positioning groove to limit the outer conductor to axially move outside the insulator.
6. The SMP-type microstrip radio frequency coaxial connector according to claim 1 wherein,
the inner conductor is made of beryllium bronze material.
7. The SMP-type microstrip radio frequency coaxial connector according to claim 1 wherein,
and an external thread is arranged outside the outer conductor.
8. The SMP microstrip radio frequency coaxial connector of claim 1, wherein the outer conductor end defines a "straight" mounting slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045528.1U CN219874127U (en) | 2023-05-04 | 2023-05-04 | SMP type microstrip radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045528.1U CN219874127U (en) | 2023-05-04 | 2023-05-04 | SMP type microstrip radio frequency coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219874127U true CN219874127U (en) | 2023-10-20 |
Family
ID=88369083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321045528.1U Active CN219874127U (en) | 2023-05-04 | 2023-05-04 | SMP type microstrip radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219874127U (en) |
-
2023
- 2023-05-04 CN CN202321045528.1U patent/CN219874127U/en active Active
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