CN203103594U - Radio frequency coaxial electric connector with contact member - Google Patents
Radio frequency coaxial electric connector with contact member Download PDFInfo
- Publication number
- CN203103594U CN203103594U CN2013200795565U CN201320079556U CN203103594U CN 203103594 U CN203103594 U CN 203103594U CN 2013200795565 U CN2013200795565 U CN 2013200795565U CN 201320079556 U CN201320079556 U CN 201320079556U CN 203103594 U CN203103594 U CN 203103594U
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- Prior art keywords
- plug
- socket
- contact
- outer conductor
- ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a radio frequency coaxial electric connector with a contact member. A contact member (14) is arranged between a plug outer conductor (11) and a socket outer conductor (22); the contact member (14) is cylindrical; the front part of the contact member is divided into a plurality of elastic cantilever beams through an axial cutting grooves (142), and the rear part of the contact member is a circular ring-shaped contact ring (143); an annular contact point (141) radially raised outwards is arranged at the front end of the cantilever beam; the contact member (14) is fixed in a plug first stepped hole (113) arranged inside the plug outer conductor (11) in an interference fit through the contact ring (143) at the rear part, and is tightly and elastically contacted with the inner side wall of a socket first stepped hole (221) through the annular contact points (141) on the front parts of the elastic cantilever beams. The radio frequency coaxial connector is provided with the contact member (14), and passive intermodulation performance of radio frequency coaxial connection can be improved.
Description
Technical field
The utility model relates to the radio frequency (RF) coaxial connector technical field, relates in particular to a kind of radio-frequency (RF) coaxial electric connector with contact element, relates in particular to passive intermodulation, impedance matching and the sealing of radio-frequency (RF) coaxial electric connector.
Background technology
The technical scheme that improves the passive intermodulation performance of radio frequency (RF) coaxial connector is disclosed among Chinese patent ZL200810068882.X and the ZL03103882.4.In ZL200810068882.X, do not have contact element between the outer conductor of two linkage units, but fit tightly by the contact-making surface that increases by two outer conductors of an auxiliary nut and elastic washer assurance, improve the passive intermodulation performance that two unit connect.In ZL03103882.4, an annular disk-shaped rubber-like contact element is set between the outer conductor of two linkage units of connector, two outer conductors all closely contact with the sealing circumference circular route of contact element, improve the passive intermodulation performance of connector.
Above-mentioned patented technology adopts different structures to realize closely and stably connecting between plug outer conductor and the socket outer conductor respectively in order to improve the passive intermodulation performance of connector, improves the passive intermodulation performance of radio frequency (RF) coaxial connector with this.
The different structure that adopts the utility model improves the passive intermodulation performance of radio frequency (RF) coaxial connector, improves the impedance matching performance of radio frequency (RF) coaxial connector and the sealing property of connector.
The utility model content
First purpose of the present utility model provides a kind of radio-frequency (RF) coaxial electric connector with contact element, improves passive intermodulation performance or third order intermodulation performance after the plugging together of plug and socket.
In order to reach this first purpose, described radio-frequency (RF) coaxial electric connector adopts following technical scheme:
A kind of radio-frequency (RF) coaxial electric connector with contact element, comprise plug (1) and socket (2), plug (1) comprises plug outer conductor (11), pin insulator (13), plug inner conductor (17), socket (3) comprises socket outer conductor (22), socket dielectric (23), socket inner wire (24), it is characterized in that: between plug outer conductor (11) and socket outer conductor (22), contact element (14) is set, contact element (14) is cylindric, its front portion is divided into a plurality of flexible cantilever beams by axial profile groove (142), and its rear portion is circular contact ring (143); The cantilever beam of contact element (14) axially stretches out from contact ring (143), and the front end of cantilever beam is provided with the ring-type contact (141) of projection radially outward; Contact element (14) is fixed in the interior plug first step hole (113) that is provided with of plug outer conductor (11) by contact ring (143) interference fit at rear portion, stretches in the socket first step hole (221) that is provided with in the socket outer conductor (22) and the tight Elastic Contact of its sidewall by the ring-type contact (141) of the flexible cantilever beam in front portion.
Preferably, contact element (14) is made by resilient copper alloy.
Preferably, ring-type contact (141) contact line contact or the face contact into ring-type with socket first step hole (221) madial wall.
Preferably, behind plug first step hole (113), be provided with plug second step hole (114), preceding plug the 3rd stepped hole (112), plug the 4th stepped hole (111) of being provided with in succession in plug first step hole (113); The external diameter of plug the 4th stepped hole (111) is greater than the external diameter of plug the 3rd stepped hole (112), the external diameter of plug the 3rd stepped hole (112) is greater than the external diameter in plug first step hole (113), and the external diameter of first step hole (113) is greater than the external diameter in plug second step hole (114); Plug second step hole (114) holds and locking-type plug insulator (13).
Contrast prior art ZL 03103882.4, the tight Elastic Contact of sidewall in the socket first step hole (221) in ring-type contact (141) and the socket outer conductor, and can be the line contact or the face contact of ring-type, not only can increase substantially the passive intermodulation performance or the third order intermodulation performance of radio frequency (RF) coaxial connector, and can improve the high-power characteristic of transmission of radio frequency (RF) coaxial connector.
Second purpose of the present utility model provides a kind of radio-frequency (RF) coaxial electric connector with contact element, and reducing the connector length direction needs occupation space, improves the impedance matching performance of radio frequency (RF) coaxial connector, reduces the standing-wave ratio of radio frequency (RF) coaxial connector.
In order to reach this second purpose, described radio-frequency (RF) coaxial electric connector adopts following technical scheme:
Further, described pin insulator (13) is contained in the contact element (14) at least in part, on the plug inner conductor between the two ends of pin insulator (13) (17), the inner wire groove (171) of annular is set.
Preferably, the part of the plug inner conductor (17) that described inner wire groove (171) is surrounded is set to broad in the middle, the structure that two is little.
Contrast technical scheme as shown in Figure 4, pin insulator (13) is positioned at the back of contact element (14), technique scheme, because pin insulator (13) is contained in the contact element (14) at least in part, the pin insulator (13) of locking-type plug inner wire (17) can reduce the required occupation space of connector length direction toward reach.Simultaneously, on the plug inner conductor between the two ends of pin insulator (13) (17), the inner wire groove (171) of annular is set, helps the compensating impedance coupling, reduce the standing-wave ratio of radio frequency (RF) coaxial connector.Preferably, the part of the plug inner conductor (17) that inner wire groove (171) is surrounded is set to broad in the middle, and the structure that two is little more helps the raising of impedance matching performance, reduces the standing-wave ratio of radio frequency (RF) coaxial connector.
The 3rd purpose of the present utility model provides a kind of radio-frequency (RF) coaxial electric connector with fast locking device, improve the sealing property of radio frequency (RF) coaxial connector, prevent that the material or the dust that connect outside gaseous state, liquid state from entering connector inside, influences the electric property of connector.
In order to reach the 3rd purpose, described radio-frequency (RF) coaxial electric connector adopts following technical scheme:
Further, being provided with a sealing cap (3) is fixed on by being threaded on the socket outer conductor (22), sealing cap (3) is a tubulose, socket seal groove (224) is set on socket outer conductor (22), built-in second sealing ring of socket seal groove (224) (5), plug seal groove (112) is set, built-in the 3rd sealing ring of plug seal groove (119) (4) on plug outer conductor (11); After described plug (1) and socket (2) plugged together, the inwall at sealing cap (3) two pushed second sealing ring (5) and the 3rd sealing ring (4) respectively, realized the sealing of connector.
Contrast prior art ZL 200820096613.X, by sealing cap (3), socket seal groove (224), plug seal groove (112) are set, and at built-in second sealing ring of socket seal groove (224) (5), built-in the 3rd sealing ring of plug seal groove (119) (4) is for hermetically sealed connector has played effect.
Description of drawings
Figure 1 shows that the structural representation that connects according to a kind of plug and socket butt joint of the present utility model with radio-frequency (RF) coaxial electric connector embodiment of contact element
Figure 2 shows that structural representation according to the contact element of a kind of radio-frequency (RF) coaxial electric connector embodiment with contact element of the present utility model
Figure 3 shows that according to a kind of socket schematic diagram of the present utility model with radio-frequency (RF) coaxial electric connector embodiment of contact element
Figure 4 shows that according to a kind of plug construction schematic diagram of the present utility model with radio-frequency (RF) coaxial electric connector embodiment of contact element
Figure 5 shows that according to a kind of another structural representation of plug of the present utility model with radio-frequency (RF) coaxial electric connector embodiment of contact element
Figure 6 shows that the sealed structural representation that connects according to a kind of radio-frequency (RF) coaxial of the utility model with contact element
Embodiment
Below in conjunction with accompanying drawing embodiment a kind of radio-frequency (RF) coaxial electric connector with contact element described in the utility model is described in further detail:
For the radio-frequency (RF) coaxial electric connector, the fast lock jockey that structure miscellaneous is arranged in the prior art, with the quick connection locking of the plug and socket of realizing radio frequency (RF) coaxial connector with separate the fast lock connected mode disclosed in Chinese patent ZL03103882.4 fast.Of this sort fast lock connected mode, after plug and socket plug together locking, can not guarantee directly closely contact between plug outer conductor and the socket outer conductor, therefore, use the radio frequency (RF) coaxial connector of so fast lock connected mode, can not guarantee that it has good passive intermodulation performance or third order intermodulation performance.
Be illustrated in figure 1 as the structural representation that connects according to a kind of plug and socket butt joint of the present utility model with radio-frequency (RF) coaxial electric connector embodiment of contact element, shown in the figure, described radio-frequency (RF) coaxial electric connector is provided with above-mentioned similarly fast locking device equally.In order to address the above problem, guarantee that contact is good between two outer conductors, improve the passive intermodulation performance of radio-frequency (RF) coaxial electric connector, the present invention takes the technical conceive identical with Chinese patent ZL03103882.4, sets up a flexible contact element between plug outer conductor and socket outer conductor.
Be illustrated in figure 2 as structural representation according to the contact element of a kind of radio-frequency (RF) coaxial electric connector embodiment with contact element of the present utility model, shown in the figure, contact element 14 is cylindric, its front portion is divided into a plurality of flexible cantilever beams by axial profile groove 142, and its rear portion is circular contact ring 143.The cantilever beam of contact element 14 axially stretches out from contact ring 143, and the front end of cantilever beam is provided with the ring-type contact 141 of radially outer projection.
As shown in Figure 1, contact element 14 is arranged between plug outer conductor 11 and the socket outer conductor 22, contact element 14 is fixed in the plug outer conductor 11 interior plug first step holes 113 that are provided with by contact ring 143 interference fit at rear portion, stretches in the socket first step holes 221 that are provided with in the socket outer conductor 22 and the tight Elastic Contact of its sidewall by the ring-type contact 141 of the flexible cantilever beam in front portion.Contact element 14 is made by resilient metal, for example a kind of suitable copper alloy.
Be illustrated in figure 3 as according to a kind of socket schematic diagram of the present utility model with radio-frequency (RF) coaxial electric connector embodiment of contact element, shown in the figure, described socket 3 comprises component parts such as socket outer conductor 22, socket dielectric 23, socket inner wire 24.Be illustrated in figure 4 as according to a kind of plug construction schematic diagram of the present utility model with radio-frequency (RF) coaxial electric connector embodiment of contact element, shown in the figure, described plug 1 comprises component parts such as plug outer conductor 11, pin insulator 13, plug inner conductor 17.
In this embodiment, plug outer conductor 11 is interior except above-described plug first step hole 113 is set, behind plug first step hole 113, be provided with plug second step hole 114, before plug first step hole 113, be provided with plug the 3rd stepped hole 112, plug the 4th stepped hole 111 in succession.The external diameter of plug the 4th stepped hole 111 is greater than the external diameter of plug the 3rd stepped hole 112, and the external diameter of plug the 3rd stepped hole 112 is greater than the external diameter in plug first step hole 113, and the external diameter in first step hole 113 is greater than the external diameter in plug second step hole 114.Plug first step hole 113 is used for fixing contact element 14, and guarantee tight and stable electrically contacting between contact element 14 and the plug outer conductor, plug second step hole 114 is used to hold and locking-type plug insulator 13, plug the 3rd stepped hole 112 is used to pass the contact ring 143 of contact element 14, and plug the 4th stepped hole 111 is used for the part of receiver socket outer conductor 22.
Further, need occupation space in order to reduce the connector length direction, improve the impedance matching performance of radio frequency (RF) coaxial connector, reduce the standing-wave ratio of radio frequency (RF) coaxial connector, be illustrated in figure 5 as according to a kind of another structural representation of plug of the present invention with radio-frequency (RF) coaxial electric connector embodiment of contact element, shown in the figure, pin insulator 13 is contained in the contact element 14 at least in part, rather than the back that is positioned at contact element 14 as shown in Figure 4.Simultaneously, on the plug inner conductor between the two ends of pin insulator 13 17, the inner wire groove 171 of annular is set.Further, the part of the plug inner conductor (17) that described inner wire groove 171 is surrounded is set to broad in the middle, and the structure that two is little can help to improve the impedance matching performance of radio frequency (RF) coaxial connector better.
In order to improve the sealing property of radio frequency (RF) coaxial connector, prevent to connect outside gaseous state, liquid material or dust enter connector inside, influence the electric property of connector, be illustrated in figure 6 as the sealed structural representation that connects according to a kind of radio-frequency (RF) coaxial of the utility model with contact element, shown in the figure, a sealing cap 3 is set to be fixed on the socket outer conductor 22 by being threaded, sealing cap 3 is a tubulose, socket seal groove 224 is set on socket outer conductor 22, socket seal groove 224 built-in second sealing rings 5, plug seal groove 112 is set, plug seal groove 119 built-in the 3rd sealing rings 4 on plug outer conductor 11.After above-mentioned plug 1 and socket 2 plugged together, the inwall at sealing cap 3 two pushed second sealing ring 5 and the 3rd sealing ring 4 respectively, realized the sealing of connector.
Claims (7)
1. radio-frequency (RF) coaxial electric connector with contact element, comprise plug (1) and socket (2), plug (1) comprises plug outer conductor (11), pin insulator (13), plug inner conductor (17), socket (3) comprises socket outer conductor (22), socket dielectric (23), socket inner wire (24), it is characterized in that: between plug outer conductor (11) and socket outer conductor (22), contact element (14) is set, contact element (14) is cylindric, its front portion is divided into a plurality of flexible cantilever beams by axial profile groove (142), and its rear portion is circular contact ring (143); The cantilever beam of contact element (14) axially stretches out from contact ring (143), and the front end of cantilever beam is provided with the ring-type contact (141) of projection radially outward; Contact element (14) is fixed in the interior plug first step hole (113) that is provided with of plug outer conductor (11) by contact ring (143) interference fit at rear portion, stretches in the socket first step hole (221) that is provided with in the socket outer conductor (22) and the tight Elastic Contact of its sidewall by the ring-type contact (141) of the flexible cantilever beam in front portion.
2. radio-frequency (RF) coaxial electric connector according to claim 1 is characterized in that: contact element (14) is made by resilient copper alloy.
3. radio-frequency (RF) coaxial electric connector according to claim 1 is characterized in that: ring-type contact (141) contact with socket first step hole (221) madial wall and are the line contact of ring-type or face contact.
4. according to the arbitrary described radio-frequency (RF) coaxial electric connector of claim 1 to 3, it is characterized in that: behind plug first step hole (113), be provided with plug second step hole (114), preceding plug the 3rd stepped hole (112), plug the 4th stepped hole (111) of being provided with in succession in plug first step hole (113); The external diameter of plug the 4th stepped hole (111) is greater than the external diameter of plug the 3rd stepped hole (112), the external diameter of plug the 3rd stepped hole (112) is greater than the external diameter in plug first step hole (113), and the external diameter of first step hole (113) is greater than the external diameter in plug second step hole (114); Plug second step hole (114) holds and locking-type plug insulator (13).
5. according to claim 1 or claim 2 or the described radio-frequency (RF) coaxial electric connector of claim 3, it is characterized in that: described pin insulator (13) is contained in the contact element (14) at least in part, on the plug inner conductor between the two ends of pin insulator (13) (17), the inner wire groove (171) of annular is set.
6. radio-frequency (RF) coaxial electric connector according to claim 5 is characterized in that: the part of the plug inner conductor (17) that described inner wire groove (171) is surrounded is set to broad in the middle, the structure that two is little.
7. according to the arbitrary described radio-frequency (RF) coaxial electric connector of claim 1 to 3, it is characterized in that: be provided with a sealing cap (3) and be fixed on by being threaded on the socket outer conductor (22), sealing cap (3) is a tubulose, socket seal groove (224) is set on socket outer conductor (22), built-in second sealing ring of socket seal groove (224) (5), plug seal groove (112) is set, built-in the 3rd sealing ring of plug seal groove (119) (4) on plug outer conductor (11); After described plug (1) and socket (2) plugged together, the inwall at sealing cap (3) two pushed second sealing ring (5) and the 3rd sealing ring (4) respectively, realized the sealing of connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200795565U CN203103594U (en) | 2013-02-21 | 2013-02-21 | Radio frequency coaxial electric connector with contact member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200795565U CN203103594U (en) | 2013-02-21 | 2013-02-21 | Radio frequency coaxial electric connector with contact member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103594U true CN203103594U (en) | 2013-07-31 |
Family
ID=48854971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200795565U Withdrawn - After Issue CN203103594U (en) | 2013-02-21 | 2013-02-21 | Radio frequency coaxial electric connector with contact member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117469A (en) * | 2013-02-21 | 2013-05-22 | 上海航天科工电器研究院有限公司 | Radio frequency coaxial electric connector with contact members |
| CN105428865A (en) * | 2015-12-28 | 2016-03-23 | 南京安尔泰通信科技有限公司 | R-N-type coaxial connector and test plug therefor |
-
2013
- 2013-02-21 CN CN2013200795565U patent/CN203103594U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117469A (en) * | 2013-02-21 | 2013-05-22 | 上海航天科工电器研究院有限公司 | Radio frequency coaxial electric connector with contact members |
| WO2014127708A1 (en) * | 2013-02-21 | 2014-08-28 | 上海航天科工电器研究院有限公司 | Radio-frequency coaxial electric connector with contact element |
| CN103117469B (en) * | 2013-02-21 | 2016-08-03 | 上海航天科工电器研究院有限公司 | A kind of radio frequency coaxial electric connector with contact element |
| CN105428865A (en) * | 2015-12-28 | 2016-03-23 | 南京安尔泰通信科技有限公司 | R-N-type coaxial connector and test plug therefor |
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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: 20130731 Effective date of abandoning: 20160803 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |