CN101510644A - Secondary extrusion seal type rapid insertion self-locking type RF coaxial connector - Google Patents
Secondary extrusion seal type rapid insertion self-locking type RF coaxial connector Download PDFInfo
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- CN101510644A CN101510644A CNA2008100081709A CN200810008170A CN101510644A CN 101510644 A CN101510644 A CN 101510644A CN A2008100081709 A CNA2008100081709 A CN A2008100081709A CN 200810008170 A CN200810008170 A CN 200810008170A CN 101510644 A CN101510644 A CN 101510644A
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Abstract
The invention discloses a sealed quick self-locked radio-frequency coaxial connector which comprises a plug connector and a socket connector. The radio-frequency coaxial connector is characterized in that: an elastic connection piece of the plug connector, which is applied to the mutual lock with a socket external conductor of the socket connector, is fixed on the exterior of a plug external conductor of the plug connector along the radius direction; a sealing groove is arranged in the front end of an internal hole of the plug external conductor of the plug connector, and a sealing ring is arranged in the sealing groove; and the free inside diameter of the sealing ring is smaller than the outside diameter of the external conductor of the socket connector. A chamfering cone surface at the end part of the socket connector conducts a first pre-press to the O-shaped sealing ring in the sealing groove. During the continuous insertion, a second cone surface on a locked bulge on the external conductor of the socket connector conducts a second press to the O-shaped sealing ring. The twice presses to the O-shaped sealing ring achieve good sealing effect. In particular, the second press makes slight damage on the sealing ring. The sealing method can greatly improve the service life of the sealing ring.
Description
Technical field
The present invention relates to a kind of closed type rapid insertion self-locking type RF coaxial connector, particularly, the present invention relates to a kind of secondary extrusion seal type rapid insertion self-locking type RF coaxial connector.
Background technology
Chinese invention patent ZL00814657.8 discloses a kind of radio frequency (RF) coaxial connector, its with easy and fast connected mode substituted the SMA thread connecting mode.Yet, but can't continue to use again original SMA screw-threaded coupling connector be used to prevent dust, the sealing ring of mould proof, protection against the tide etc., therefore, dust, mould, moisture or the like can enter conductor contact part from the slit of the fluting elastic component of metal, make the contact of metal oxidized.After the material erode metallic surfaces such as airborne moisture and sulfur dioxide, contact resistance is increased, even electric connector was lost efficacy.
Summary of the invention
The purpose of this invention is to provide a kind of closed type rapid insertion self-locking type RF coaxial connector, it can prevent that dust, mould, oxygen, sulfur dioxide, water and other nuisances from entering connector inside, avoid of oxidation or the erosion of above-mentioned harmful substance, thereby improve the reliability of connector greatly contact.
Another object of the present invention provides a kind of closed type rapid insertion self-locking type RF coaxial connector, and it reaches good sealing effectiveness by the secondary extrusion seal circle in the grafting process, reduces the damage to sealing ring, improves the useful life of sealing ring greatly.
Another object of the present invention provides a kind of closed type rapid insertion self-locking type RF coaxial connector, the elasticity retaining mechanism of its pin connector and socket connector is arranged on the outer surface of pin connector outer conductor, makes elasticity softer under the condition that keeps pin connector and socket connector locking function.
For this reason, the invention provides a kind of closed type rapid insertion self-locking type RF coaxial connector, form by pin connector and socket connector, it is characterized in that the Flexible Connector that is used for the pin connector that the socket outer conductor with socket connector locks mutually is fixed on the outside along radial direction of the plug outer conductor of pin connector; Endoporus front end at the plug outer conductor of pin connector is provided with seal groove, and is provided with sealing ring in the sealing groove, and the free internal diameter of sealing circle is less than the external diameter of the outer conductor of socket connector.
Preferably, the cross section of described seal groove is trapezoidal, and this trapezoidal hypotenuse is in the face of the endoporus of the plug outer conductor of pin connector.
Preferably, the cross section of sealing ring is rounded or trapezoidal.
Preferably, under connection status, the mid point of described sealing ring is to the distance of the described plug outer conductor front end face intersection corresponding to the face of cylinder of the outer conductor of the taper seat of the locking projections on the outer conductor of socket connector and socket connector.
Preferably, under connection status, the taper seat that the mid point of described sealing ring to the distance of described plug outer conductor front end face equals the locking projections on the outer conductor of socket connector and the intersection on the face of cylinder of the outer conductor of socket connector be the distance of the front end face of described socket connector extremely.
According to another preferred embodiment, a kind of closed type rapid insertion self-locking type RF coaxial connector is provided, form by pin connector and socket connector, it is characterized in that the Flexible Connector that is used for the pin connector that the socket outer conductor with socket connector locks mutually is fixed on the outside along radial direction of the plug outer conductor of pin connector; Be provided with seal groove on the taper seat of the locking projections on the outer conductor of socket connector, and be provided with sealing ring in the sealing groove, the free external diameter of sealing circle is greater than the internal diameter of the plug outer conductor of pin connector.
According to closed type rapid insertion self-locking type RF coaxial connector of the present invention, the Flexible Connector that is used for the pin connector that the socket outer conductor with socket connector locks mutually, it is the elasticity retaining mechanism, outer conductor inside by pin connector frees, change the cylindrical outer surface of the outer conductor that is located at pin connector, and vertically cutting for example 10 elastic grooves, locking function is constant, but elasticity is softer.
Particularly, the outer conductor of pin connector keeps not having the complete structure of cannelure, has strengthened the confining force that is connected of the rigidity of front end of outer conductor of pin connector and connector.
Particularly, the chamfering taper seat that is positioned at the socket connector end is done pre-for the first time extruding to the O RunddichtringO of seal groove, and when continuing to insert, second taper seat on the locking projections on the outer conductor of socket connector done extruding for the second time to the O RunddichtringO again.By secondary extrusion O RunddichtringO, reached good sealing effectiveness.Particularly, extruding is very little to the damage of sealing ring for the second time.Can improve the useful life of sealing ring greatly with this sealing means.
Particularly, under the connection status of pin connector and socket connector, directly contact between the outer conductor of pin connector and the outer conductor of socket connector, make the contact resistances after two connectors connect littler, contact more reliable.
To brief description of drawings
Fig. 1 be electric connector according to prior art at plug and socket the structural representation under connection status.
Fig. 2 be electric connector according to prior art at plug and socket the structural representation under notconnect state.
Fig. 3 be electric connector according to the present invention at plug and socket the structural representation under connection status.
Fig. 4 be electric connector according to the present invention at plug and socket the structural representation under notconnect state.
To be electric connector according to the present invention be in structural representation under the round of the crush seal for the first time attitude at plug and socket to Fig. 5.
To be electric connector according to the present invention be in structural representation under the round of the crush seal for the second time attitude at plug and socket to Fig. 6.
Embodiment
As illustrated in fig. 1 and 2, in electric connector according to prior art, be provided with in the plug outer conductor 13 of pin connector 10 and roughly be the Flexible Connector 15 that tubular has cannelure, this Flexible Connector 15 is used for locking mutually with the socket outer conductor 14 of socket connector 12, so that pin connector 10 is connected with socket connector 12.
As can be seen, under pin connector 10 and state that socket connector 12 is connected, the Flexible Connector 15 that roughly is tubular between the plug outer conductor 13 of pin connector 10 and the socket outer conductor 14 of socket connector 12 is separated.
Therefore, in such prior art scheme, can't on pin connector 10 or socket connector 12, be provided for preventing dust, the sealing ring of mould proof, protection against the tide etc., therefore, dust, mould, moisture or the like can enter plug outer conductor 13 and socket connector 12 contacted parts from the slit of the Flexible Connector 15 that roughly is tubular, make plug outer conductor 13 and socket connector 12 oxidized.Behind the metal surface of materials such as airborne moisture and sulfur dioxide corrosion plug outer conductor 13 and socket connector 12, the contact resistance of plug outer conductor 13 and socket connector 12 is increased, even feasible electrical connection effect was lost efficacy.
Shown in Fig. 3 and 4,, form by pin connector 1 and socket connector 2 according to closed type fast-insertion self-locking RF coaxial connector of the present invention; The Flexible Connector 9 that roughly is tubular is arranged on the outside along radial direction of the plug outer conductor of pin connector 1, is used for locking mutually with the socket outer conductor 6 of socket connector 2, so that pin connector 1 is connected with socket connector 2.
At the Flexible Connector 9 that roughly is tubular some cannelures can be set, to increase its elasticity.
As can be seen, under pin connector 1 and state that socket connector 2 is connected, can directly lock mutually between the Flexible Connector 9 that the cylindrical of the plug outer conductor 3 of pin connector 1 is settled and the socket outer conductor 6 of socket connector 2, the Flexible Connector 9 that roughly is not tubular is separated.
In the embodiment shown in Fig. 3-6, be provided with seal groove 4 at the endoporus front end of the plug outer conductor 3 of pin connector 1, and in sealing groove 4, be provided with an O RunddichtringO 5.
When pin connector 1 inserted socket connector 2, the chamfering taper seat 7 of the end of socket connector 2 was at first done pre-for the first time extruding to the O RunddichtringO in the seal groove 45.
When pin connector 1 continued to insert socket connector 2,8 pairs of O RunddichtringOs of the taper seat of the locking projections on the outer conductor 6 of socket connector 25 were done the second time of crimp by a relatively large margin.
By above-mentioned secondary extrusion, between the socket outer conductor 6 of the plug outer conductor 3 of pin connector 1 and socket connector 2, produced good sealing effectiveness, make extraneous dust, mould, carbon dioxide, oxygen, steam or other corrosive substances can't enter the plug outer conductor 3 of connector inside and the contact site of socket outer conductor 6, therefore, the crucial connecting portion of the connectors such as socket outer conductor 6 of the plug outer conductor 3 of pin connector 1 and socket connector 2 will can not be subjected to above-mentioned substance to its oxide etch, infringement such as rotten.Therefore, the reliability of connector greatly improves, and obtains useful life prolonging.Especially, adopted the connector of this sealing means can use in outdoor or comparison rugged environment.
The chamfering of the end of socket connector 2 can be common 45 °, also can be other angles, for example 30 °, or the angle of other circles of crush seal for the first time when being convenient to connector and pegging graft.
In fact, under design of the present invention, other embodiment can also be arranged.
For example, sealing ring also can be arranged on the taper seat 8 of the locking projections on the outer conductor 6 of socket connector 2, and can no longer be provided with seal groove 4 at the endoporus front end of the plug outer conductor 3 of pin connector 1.
Those skilled in the art is according to disclosure of the present invention, easily to the present invention make amendment, variation, perfect, yet, do like this and will fall into the desired scope of patent protection of appended claims.
Claims (6)
1. a closed type rapid insertion self-locking type RF coaxial connector is made up of pin connector (1) and socket connector (2), it is characterized in that,
Be used for the socket outer conductor (6) of socket connector (2) mutually the Flexible Connector (9) of the pin connector (1) of locking be fixed on the outside along radial direction of the plug outer conductor (3) of pin connector (1);
Endoporus front end at the plug outer conductor (3) of pin connector (1) is provided with seal groove (4), and is provided with sealing ring (5) in sealing groove (4), and the free internal diameter of sealing circle (5) is less than the external diameter of the outer conductor (6) of socket connector (2).
2. closed type rapid insertion self-locking type RF coaxial connector as claimed in claim 1 is characterized in that the cross section of described seal groove is trapezoidal, and this trapezoidal hypotenuse is in the face of the endoporus of the plug outer conductor (3) of pin connector (1).
3. closed type rapid insertion self-locking type RF coaxial connector as claimed in claim 1 is characterized in that the cross section of sealing ring is rounded or trapezoidal.
4. closed type rapid insertion self-locking type RF coaxial connector as claimed in claim 1, it is characterized in that, under connection status, the mid point of described sealing ring (5) to the distance of described plug outer conductor front end face corresponding to the taper seat (8) of the locking projections on the outer conductor (6) of socket connector (2) and the intersection on the face of cylinder of the outer conductor (6) of socket connector (2).
5. closed type rapid insertion self-locking type RF coaxial connector as claimed in claim 1, it is characterized in that taper seat (8) that the mid point of described sealing ring (5) to the distance of described plug outer conductor front end face equals the locking projections on the outer conductor (6) of socket connector (2) and the distance of the intersection on the face of cylinder of the outer conductor (6) of socket connector (2) to the front end face of described socket connector.
6. a closed type rapid insertion self-locking type RF coaxial connector is made up of pin connector (1) and socket connector (2), it is characterized in that,
Be used for the socket outer conductor (6) of socket connector (2) mutually the Flexible Connector (9) of the pin connector (1) of locking be fixed on the outside along radial direction of the plug outer conductor (3) of pin connector (1);
Be provided with seal groove on the taper seat (8) of the locking projections on the outer conductor (6) of socket connector (2), and be provided with sealing ring in the sealing groove, the free external diameter of sealing circle is greater than the internal diameter of the plug outer conductor (3) of pin connector (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100081709A CN101510644A (en) | 2008-02-15 | 2008-02-15 | Secondary extrusion seal type rapid insertion self-locking type RF coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100081709A CN101510644A (en) | 2008-02-15 | 2008-02-15 | Secondary extrusion seal type rapid insertion self-locking type RF coaxial connector |
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| Publication Number | Publication Date |
|---|---|
| CN101510644A true CN101510644A (en) | 2009-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100081709A Pending CN101510644A (en) | 2008-02-15 | 2008-02-15 | Secondary extrusion seal type rapid insertion self-locking type RF coaxial connector |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872508A (en) * | 2014-03-19 | 2014-06-18 | 苏州华旃航天电器有限公司 | Injection molding sealing through-wall electric connector |
| CN104347987A (en) * | 2013-08-09 | 2015-02-11 | 泰科电子(上海)有限公司 | Connection terminal, tight connection terminal and connector |
| CN105098462A (en) * | 2014-04-24 | 2015-11-25 | 泰科电子(上海)有限公司 | Connector, matching connector and connector combination |
| CN105191008A (en) * | 2013-03-07 | 2015-12-23 | 哈廷电子有限公司及两合公司 | Surface-optimised plug connector |
| CN109428242A (en) * | 2017-08-16 | 2019-03-05 | 上海航天科工电器研究院有限公司 | Radio frequency coaxial electric connector |
| CN114667648A (en) * | 2019-11-13 | 2022-06-24 | 株式会社自动网络技术研究所 | Connector device |
| CN117526020A (en) * | 2023-12-15 | 2024-02-06 | 东莞市晟茂电子科技有限公司 | Waterproof electric connector |
-
2008
- 2008-02-15 CN CNA2008100081709A patent/CN101510644A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105191008A (en) * | 2013-03-07 | 2015-12-23 | 哈廷电子有限公司及两合公司 | Surface-optimised plug connector |
| CN105191008B (en) * | 2013-03-07 | 2017-09-22 | 哈廷电子有限公司及两合公司 | The plug-in connector of surface optimization |
| CN104347987A (en) * | 2013-08-09 | 2015-02-11 | 泰科电子(上海)有限公司 | Connection terminal, tight connection terminal and connector |
| CN104347987B (en) * | 2013-08-09 | 2017-05-03 | 泰科电子(上海)有限公司 | Connection terminal, tight connection terminal and connector |
| CN103872508A (en) * | 2014-03-19 | 2014-06-18 | 苏州华旃航天电器有限公司 | Injection molding sealing through-wall electric connector |
| CN105098462A (en) * | 2014-04-24 | 2015-11-25 | 泰科电子(上海)有限公司 | Connector, matching connector and connector combination |
| CN109428242A (en) * | 2017-08-16 | 2019-03-05 | 上海航天科工电器研究院有限公司 | Radio frequency coaxial electric connector |
| CN114667648A (en) * | 2019-11-13 | 2022-06-24 | 株式会社自动网络技术研究所 | Connector device |
| CN114667648B (en) * | 2019-11-13 | 2024-04-16 | 株式会社自动网络技术研究所 | Connector device |
| CN117526020A (en) * | 2023-12-15 | 2024-02-06 | 东莞市晟茂电子科技有限公司 | Waterproof electric connector |
| CN117526020B (en) * | 2023-12-15 | 2024-05-07 | 东莞市晟茂电子科技有限公司 | Waterproof electric connector |
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Application publication date: 20090819 |