CN212648667U - Small-size radio frequency coaxial contact - Google Patents
Small-size radio frequency coaxial contact Download PDFInfo
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- CN212648667U CN212648667U CN202021014337.5U CN202021014337U CN212648667U CN 212648667 U CN212648667 U CN 212648667U CN 202021014337 U CN202021014337 U CN 202021014337U CN 212648667 U CN212648667 U CN 212648667U
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- contact
- pin
- jack
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- piece
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Abstract
A small radio frequency coaxial contact element comprises a pin contact element, a jack contact element, a pin inner contact element, a pin insulator, a pin outer contact element, a jack inner contact element, a jack insulator and a jack outer contact element, wherein the pin inner contact element is fixed by the pin insulator and is arranged in the pin outer contact element, the jack inner contact element is fixed by the jack insulator and is arranged in the jack outer contact element, when the pin contact element and the jack contact element are inserted, the pin inner contact element is inserted into the jack inner contact element, and the jack outer contact element is inserted into the pin outer contact element, so that the transmission of radio frequency signals is completed.
Description
Technical Field
The utility model relates to a coaxial contact of small-size radio frequency.
Background
In a radio frequency signal transmission system, a radio frequency connector needs to be miniaturized, lightweight, integrated, and modularized while satisfying high frequency transmission, and therefore, a small radio frequency coaxial contact needs to be implanted in the radio frequency connector. At present, the existing No. 10 and No. 12 radio frequency coaxial contact elements can not meet the requirements of transmission frequency and structural size.
Disclosure of Invention
An object of the utility model is to provide a coaxial contact of small-size radio frequency can satisfy the transmission requirement of high frequency, low-loss, miniaturization, integration and modularization in the radio frequency transmission system.
The utility model adopts the technical proposal that: a small radio frequency coaxial contact element comprises a pin contact element, a jack contact element, a pin inner contact element, a pin insulator, a pin outer contact element, a jack inner contact element, a jack insulator and a jack outer contact element, wherein the pin inner contact element is fixed by the pin insulator and is arranged in the pin outer contact element, the jack inner contact element is fixed by the jack insulator and is arranged in the jack outer contact element, when the pin contact element and the jack contact element are inserted, the pin inner contact element is inserted into the jack inner contact element, and the jack outer contact element is inserted into the pin outer contact element, so that the transmission of radio frequency signals is completed.
The inner contact piece and the outer contact piece of the contact pin of the radio frequency coaxial contact piece are respectively provided with a taper structure, the contact pin has automatic alignment and positioning functions when being inserted and closed, the contact length is larger than 1.5 mm, the diameter phi is 0.5 mm, and 40GHz radio frequency signals can be transmitted.
The inner contact piece and the outer contact piece of the contact pin of the radio frequency coaxial contact piece are rigid pieces, so that glass sintering of the inner contact piece and the outer contact piece of the contact pin can be realized, and the air sealing function is achieved.
The inner contact piece and the outer contact piece of the jack of the radio frequency coaxial contact piece are elastic pieces, split groove structures are respectively designed, and the split groove structures have certain contraction elasticity, wherein the contraction elasticity of the outer contact piece of the jack is larger than that of the inner contact piece of the jack.
Two end faces of a contact pin insulator of the radio frequency coaxial contact element are respectively provided with a groove and a step, and the radio frequency coaxial contact element has an impedance compensation function when being matched with the inner contact element and the outer contact element of the contact pin, and is low in signal transmission loss.
Two end faces of the jack insulator of the radio frequency coaxial contact element are respectively provided with a groove and a plurality of compensation holes, and the compensation holes are symmetrical about the circle center to ensure impedance matching in the signal transmission process.
The maximum outer circle diameter of the contact piece outside the contact pin and the jack of the radio frequency coaxial contact piece is not more than phi 4.5 mm, the overall structure size is small, the radio frequency coaxial contact piece can be used in a multi-core integrated connector, and the light weight and the miniaturization of the connector are facilitated.
The beneficial effects of the utility model are that, adopt the utility model discloses small-size radio frequency coaxial contact, overall dimension is little, transmission frequency is high, the loss is low, connect reliably, but glass sintering, possesses airtight function, applicable in the small-size multicore integrated connector of light weight.
Drawings
FIG. 1 is a schematic view of the full-section of the contact pin contact element and the jack contact element of the present invention
FIG. 2 is a schematic diagram of a three-dimensional model of a pin insulator and a socket insulator of the present invention
FIG. 3 is a schematic view of the three-dimensional model of the inner contact member and the outer contact member of the jack
FIG. 4 is a schematic diagram of a three-dimensional model of an inner contact member and an outer contact member of a contact pin of the present invention
In the figure, 1, a pin contact part, 2, a jack contact part, 3, a pin inner contact part, 4, a pin insulator, 5, a pin outer contact part, 6, a jack inner contact part, 7, a jack insulator, 8, a jack outer contact part, 31, taper, 41, a groove, 42, a step, 51, a taper structure, 61, a split groove, 71, a groove structure, 72, a compensation hole and 81, a split groove structure.
Detailed Description
The technical solution in the embodiments of the present invention will be further described below with reference to the drawings in the embodiments of the present invention, which cannot be understood as limiting the scope of the present invention, and those skilled in the art can make some improvements and adjustments not essential to the present invention according to the contents of the above-mentioned utility model.
As shown in the attached drawings, a pin inner contact member (3) is fixed by a pin insulator (4) and is arranged in a pin outer contact member (5), a pin inner contact member (6) is fixed by a jack insulator (7) and is arranged in a jack outer contact member (8), the pin inner contact member (3) is designed with a taper (31), the pin outer contact member (5) is designed with a taper structure (51), the pin insulator (4) is designed with a groove (41) and a step (42), the jack insulator (7) is designed with a groove structure (71) and a plurality of compensation holes (72), the jack inner contact member (6) is designed with a split groove (61), the jack outer contact member (8) is designed with a split groove structure (81) which has certain shrinkage elasticity, when the pin contact member (1) and the jack contact member (2) are inserted, the pin inner contact member (3) is inserted into the jack inner contact member (6), the jack outer contact element (8) is inserted into the pin outer contact element (5) to complete the transmission of radio frequency signals, can transmit 40GHz radio frequency signals, can be sintered by glass, has the air sealing function, and can be suitable for a light-weight small-size multi-core integrated connector.
Claims (7)
1. The utility model provides a coaxial contact of small-size radio frequency, includes contact pin contact, jack contact, contact pin inner contact, contact pin insulator, contact pin outer contact, jack inner contact, jack insulator, jack outer contact, characterized by: the pin inner contact piece is fixed by the pin insulator and is arranged in the pin outer contact piece, the jack inner contact piece is fixed by the jack insulator and is arranged in the jack outer contact piece, when the pin contact piece and the jack contact piece are inserted, the pin inner contact piece is inserted into the jack inner contact piece, and the jack outer contact piece is inserted into the pin outer contact piece, so that the transmission of radio frequency signals is completed.
2. A compact rf coaxial contact according to claim 1, wherein: the inner contact piece and the outer contact piece of the contact pin are respectively provided with a taper structure, the contact pin has automatic alignment and positioning functions when being inserted and closed, the contact length is larger than 1.5 mm, the diameter phi is 0.5 mm, and 40GHz radio frequency signals can be transmitted.
3. A compact rf coaxial contact according to claim 1, wherein: the inner contact piece and the outer contact piece of the contact pin are rigid pieces, so that glass sintering of the inner contact piece and the outer contact piece of the contact pin can be realized, and the air sealing function is achieved.
4. A compact rf coaxial contact according to claim 1, wherein: the inner contact piece and the outer contact piece of the jack are elastic pieces, and are respectively designed with a groove splitting structure, wherein the contraction elasticity of the outer contact piece of the jack is larger than that of the inner contact piece of the jack.
5. A compact rf coaxial contact according to claim 1, wherein: the two end faces of the contact pin insulator are respectively provided with a groove and a step, and the contact pin insulator has an impedance compensation function when being matched with the inner contact piece and the outer contact piece of the contact pin, and is low in signal transmission loss.
6. A compact rf coaxial contact according to claim 1, wherein: two end faces of the jack insulator are respectively provided with a groove and a plurality of compensation holes, and the compensation holes are symmetrical about the circle center to ensure impedance matching in the signal transmission process.
7. A compact rf coaxial contact according to claim 1, wherein: the maximum outer circle diameter of the contact outside the contact pin and the jack is not more than phi 4.5 mm, the overall structure size is small, the connector can be used in a multi-core integrated connector, and the connector is convenient to lighten and miniaturize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021014337.5U CN212648667U (en) | 2020-05-30 | 2020-05-30 | Small-size radio frequency coaxial contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021014337.5U CN212648667U (en) | 2020-05-30 | 2020-05-30 | Small-size radio frequency coaxial contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212648667U true CN212648667U (en) | 2021-03-02 |
Family
ID=74790967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021014337.5U Expired - Fee Related CN212648667U (en) | 2020-05-30 | 2020-05-30 | Small-size radio frequency coaxial contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212648667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094406A (en) * | 2021-10-21 | 2022-02-25 | 西安昶孚电子科技有限公司 | Connecting structure and assembling method for contact element of slip ring connector |
-
2020
- 2020-05-30 CN CN202021014337.5U patent/CN212648667U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114094406A (en) * | 2021-10-21 | 2022-02-25 | 西安昶孚电子科技有限公司 | Connecting structure and assembling method for contact element of slip ring connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210302 Termination date: 20210530 |