CN202872128U - Radio-frequency coaxial connector with protection apparatus - Google Patents
Radio-frequency coaxial connector with protection apparatus Download PDFInfo
- Publication number
- CN202872128U CN202872128U CN 201220503740 CN201220503740U CN202872128U CN 202872128 U CN202872128 U CN 202872128U CN 201220503740 CN201220503740 CN 201220503740 CN 201220503740 U CN201220503740 U CN 201220503740U CN 202872128 U CN202872128 U CN 202872128U
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- socket
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- outer conductor
- coaxial connector
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Abstract
The utility model relates to a radio-frequency coaxial connector with a protection apparatus. The radio-frequency coaxial connector comprises a socket and a plug. The plug includes a plug outer conductor and a pin; the socket includes a socket outer conductor, a slot and a housing; and a cap spring cooperated with the plug outer conductor is arranged at the inner diameter position of the socket outer conductor. Besides, the radio-frequency coaxial connector also includes an annular sleeve that is arranged outside the plug outer conductor and is cooperated with the external diameter of the socket outer conductor. The annular sleeve that is cooperated with the external diameter of the socket outer conductor is additionally arranged outside the plug outer conductor, so that the cap spring inside the socket can be protected. When product testing is carried out, after the plug is inserted into the socket completely, the inner diameter of the annular sleeve is sleeved into the external diameter of the socket outer conductor, so that there is no inclination between the plug and the socket at the peripheral direction. Therefore, when a cable of a radio-frequency coaxial connector is dragged by a test port of a test instrument, the plug is not inclined relatively to the socket and thus the failure of the cap spring can not be caused, thereby effectively protecting the cap spring and ensuring the reliability of grounding between the plug and the socket. Meanwhile, the reliable cooperation between the pin and the slot can be effectively protected; and the reliable connection of the radio-frequency coaxial connector can be ensured.
Description
[technical field]
The utility model relates to technical field of micro communication, more particularly, relates to a kind of radio frequency (RF) coaxial connector with protective device.
[background technology]
Along with the development of microwave communication, large batch of machine product is used more and more extensive, how to improve product production efficiency, reduce cost, and so that product is convenient to keep in repair, maintenance cost etc. becomes the problem that must often face.Often need to use radio frequency (RF) coaxial connector in the various device, and radio frequency (RF) coaxial connector is one of part that easily breaks down.Existing BMA floating blind inserting radio frequency coaxial connector has that volume is little, the mechanical electric function admirable, have the blindmate inserting function, patch the advantages such as convenient, can be implemented in applied in any combination in the whole set equipment (monomer connector quantity 〉=2).
Shown in Fig. 1,2,3,4,5, floating blind inserting radio frequency coaxial connector mainly comprises socket 2 ' (being designated hereinafter simply as the BMA socket) and the plug 1 ' (being designated hereinafter simply as the BMA plug) that cooperatively interacts, wherein socket comprise shell 25 ', in the enclosure socket outer conductor 21 ' float to be set, be arranged on hat spring 24 ' in the socket outer conductor, be arranged on the slot 23 ' of shell center position and be arranged on slot and the socket outer conductor between medium 22 '; Plug mainly comprises plug outer conductor 11 ', contact pin 13 ', is arranged on the medium 12 ' between outer conductor and the contact pin.Hat spring material is the flexible beryllium-bronze of superelevation, and the hat spring is set to many reeds elastic spring of the thin waist type of mouse cage shape usually.When connector being produced debugging, test, elastic failure occurs in hat spring easily, produces the problem of imperfect earth, leaks so that system produces.Its main cause is because the fit structure between connector body and the plug causes being preced with spring elastic failure to occur easily.
The external diameter of BMA plug outer conductor 21 ' is A, and the minimum diameter of BMA socket hat spring 24 ' is B, A before the plug insertion socket〉B; Monolateral difference C between A and B is the decrement of BMA socket hat spring, and the BMA socket is with after the BMA plug cooperates, and it is compressed that the BMA socket is preced with spring, so that B=A, C=0.Monolateral height before the compression of hat spring reed is K, and the height after the desired compression is M, and ideal compression ratio is (K-M)/K≤35%, hat spring confining force 〉=1.5N.Hat spring in the BMA socket relies on the elastic force of reed to hold BMA plug outer conductor tightly, so that the BMA plug has lasting enclasping force and the conducting of BMA socket outer conductor, has guaranteed that connector ground is good, nothing is leaked.
But mainly there are two kinds of situations in the hat spring elastic failure that the connector of this structure causes easily:
The first: the test port of tester (network analyzer) need pull test cable, and the deadweight of test cable adds the deadweight of BMA plug easily so that hat spring reed inefficacy after BMA plug and BMA socket interworking.Particularly, as shown in Figure 3, test cable towing BMA plug, make after BMA plug and the BMA socket interworking plug and the socket-shaped X (X≤10 °) that has angle, plug sidewalls compressing hat spring part reed, highly be N after the reed compression, actual compression ratio is (K-N)/K≤50%, and this compression ratio exceeds the ideal compression ratio of hat spring reed, so that the elastic force of part reed reduces, the process circumferencial direction repeatedly pulls and waves, after plug extracted in the socket, although still can guarantee A〉B, the elastic force of part reed reduces on the hat spring, so that hat spring confining force reduces (less than 0.56N), cause whole connector ground unreliable, exist part to leak.
The second is: the moment that the BMA plug inserts, extracts the BMA socket, cause easily being preced with the spring reed and damage.As shown in Figure 4, when BMA plug 1 inserts BMA socket 2, for guaranteeing radial tolerance, gapped between plug outer conductor 11 external diameters and socket outer conductor 21 internal orifice dimension F on the structure, common monolateral gap 〉=0.15mm is so that BMA plug 1 can form an angle of inclination with BMA socket 2 during interworking.Be that BMA plug 1 inserts or when extracting BMA socket 2, minimum diameter B place at hat spring 24, can form an angle X after BMA plug 1 and BMA socket 2 interworkings, X≤15 °, BMA plug outer conductor 21 end face circumferential edge will seriously be oppressed hat spring 24 reeds, highly be N after the compression, actual compression ratio is 50%＜(K-N)/K≤100%, when the most serious (with 15 ° of insertions of allowable angle of inclination), the radian of hat spring 24 reeds is driven plain, hat spring 24 reed elastic force overstep the extreme limit, and hat spring 24 reeds can not resilience, and the local reed of hat spring 24 damages.Through repeatedly the tilt plug of 15 ° of maximum angles of circumferencial direction, hat spring 24 reed elastic force lost efficacy, and irretention so that ground connection is very unreliable, has serious leakage fully.
Simultaneously, when the moment that BMA plug 1 inserts or extracts BMA socket 2, be that the BMA plug inserts or extracts when inserting BMA socket 2, at the minimum diameter B place of hat spring 24, can form angle X after BMA plug 1 and BMA socket 2 interworkings, so that the contact pin 13 of BMA plug has just inserted the oral area of the slot 23 of BMA socket, contact pin 13 forms angle X with slot 23, X≤15 °, through circumferencial direction repeatedly with the plug of angle, the confining force that contact pin 13 and slot are 23 also reduces simultaneously, so that pin hole Contact resistance increases; When the most serious, slot 23 is irretention, and it is unreliable that the slot 23 of BMA socket is connected with the contact pin 13 of BMA plug, causes the Joint failure of BMA connector.
[utility model content]
The technical problems to be solved in the utility model is; syndeton for plug and socket in the connector of prior art causes the hat spring to lose efficacy easily; and then so that unreliable, the easy generation leakage of the ground connection between socket and the plug; even the problem of Joint failure, a kind of radio frequency (RF) coaxial connector with protective device is provided.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of radio frequency (RF) coaxial connector with protective device; comprise socket and plug; described plug comprises plug outer conductor, contact pin; described socket comprises socket outer conductor, slot, shell; described socket outer conductor inner radius is provided with the hat spring that matches with the plug outer conductor, also comprises the outer annulus that arrange, that match with described socket outer conductor external diameter of described plug outer conductor.
In radio frequency (RF) coaxial connector described in the utility model, the internal diameter of described annulus (P) is slightly larger than socket outer conductor external diameter (S), annulus external diameter (Q) is slightly larger than jack housing internal diameter (R).
In radio frequency (RF) coaxial connector described in the utility model, the difference between described 0.1mm≤annulus internal diameter (P) and the socket outer conductor external diameter (S) more than or equal to 0.1mm less than or equal to 0.4mm.
In radio frequency (RF) coaxial connector described in the utility model, the axial length of fit (U) between described annulus internal diameter and the described socket outer conductor external diameter is greater than the axial length of fit (W) between described annulus external diameter and the described jack housing internal diameter.
In radio frequency (RF) coaxial connector described in the utility model, the axial length of fit (U) between described annulus internal diameter and the described socket outer conductor external diameter is more than or equal to 5mm.
In radio frequency (RF) coaxial connector described in the utility model, the axial length of fit (W) between described annulus external diameter and the described jack housing internal diameter is more than or equal to 3.2mm.
Implement the radio frequency (RF) coaxial connector with protective device described in the utility model, have following beneficial effect: by increasing outside the plug outer conductor annulus is set, this annulus cooperates with socket outer conductor external diameter, can protect the hat spring in the socket.When product test; after plug inserts socket fully; because the annulus internal diameter is inserted in socket outer conductor external diameter; so that plug and socket at circumferencial direction without inclination; when therefore the tester test port pulls the cable of radio frequency (RF) coaxial connector; can not cause plug to tilt with respect to socket; can not cause the hat spring to lose efficacy; effectively protected the hat spring; guaranteed that the ground connection between the plug and socket is reliable; also effectively protect simultaneously the reliable fit between contact pin and the slot, guaranteed the reliable connection of radio frequency (RF) coaxial connector.
Further, axial length (E) by annulus is set is greater than the axial length (F) of plug outer conductor. like this when wink, inserting was closed, when plug outer conductor external diameter does not also insert socket outer conductor internal diameter, the annulus internal diameter has been enclosed within on the socket outer conductor external diameter, has guaranteed the coaxial of plug and socket; Just can avoid plug outer conductor end excessive compression to be positioned at the hat spring of socket outer conductor inner radius when again plug outer conductor external diameter being inserted socket outer conductor internal diameter this moment, effectively protected the hat spring, prevents from being preced with spring and lost efficacy.
The utility model is described in further detail below in conjunction with drawings and Examples.
[description of drawings]
Fig. 1 is the assembling schematic diagram after the plug and socket docking in the existing radio frequency (RF) coaxial connector;
Fig. 2 is the installation diagram after the desirable docking of plug and socket in the existing radio frequency (RF) coaxial connector;
Fig. 3 is the installation diagram of (all inserting) after the plug docking of socket and cable towing in the existing radio frequency (RF) coaxial connector;
Fig. 4 be in the existing radio frequency (RF) coaxial connector plug and socket at the assembling schematic diagram that plugs moment (partial insertion);
Fig. 5 is the hat spring of socket in the existing radio frequency (RF) coaxial connector structural representation when state, ideal compression, failure state before compression;
Fig. 6 is the structural representation of plug and socket in the radio frequency (RF) coaxial connector described in the utility model;
Fig. 7 is the assembling schematic diagram of plug and socket when plug moment (partial insertion) of radio frequency (RF) coaxial connector described in the utility model;
Fig. 8 is the installation diagram that the plug and socket of radio frequency (RF) coaxial connector described in the utility model (all inserts) after connection.
[embodiment]
Shown in Fig. 6,7,8; in the radio frequency (RF) coaxial connector with protective device described in the utility model; comprise socket and plug; described plug comprises plug outer conductor, contact pin; described socket comprises socket outer conductor 21, slot 23, shell; described socket outer conductor inner radius is provided with the hat spring 24 that matches with the plug outer conductor, also comprises the outer annulus that arrange, that match with described socket outer conductor external diameter of described plug outer conductor.
Wherein, hat spring 24 natures are many reeds elastic spring of the thin waist type of mouse cage shape, and for the flexible beryllium bronze band material of superelevation is stamped to form, hat spring 24 external diameters are G during nature, and socket outer conductor 21 oral areas have boss, and the internal diameter of boss is C.Under the nature, G〉C, the socket outer conductor 21 of packing into after hat spring 24 shrinks, the rear hat spring 24 free elastic force of packing into flick, and flick rear hat spring 24 and snap in socket outer conductor 21, and the minimum diameter that be preced with spring this moment is B.The slot 23 socket outer conductor 21 of packing into, fixing with socket medium 22 between slot 23 and the socket outer conductor 21, the external diameter of socket outer conductor is S; The socket outer conductor can be arranged in the jack housing by spring floating, and the internal diameter of jack housing is R.
The external diameter of plug outer conductor is A, and its axial length is F; The internal diameter of plug annulus is P, and its external diameter is Q, and its axial length is E.Preferred so that P〉S and Q＜R, be the external diameter S that the internal diameter P of annulus is slightly larger than the socket outer conductor, and the external diameter Q of annulus is less than the internal diameter R of jack housing, preferably arrange 0.1≤(P-S)≤0.4, so that the external diameter S of the internal diameter P of sleeve and BMA socket outer conductor 21 keeps reasonable clearance, so just can guarantee that annulus can smooth and easyly be enclosed within on the socket outer conductor external diameter, not have again too large gap.
E＞F preferably is set, and namely the axial length of plug annulus is greater than the axial length F of plug outer conductor.As shown in Figure 7, in the moment (partial insertion) that plug 1 inserts or extracts socket 2, when namely plug 1 insertion socket 2 or plug 1 were extracted from socket 2, at the minimum diameter B place of hat spring 24, the internal diameter P of annulus had inserted socket outer conductor 21 external diameter S; The hat spring can not pushed in the end of plug; Can there be larger angle between contact pin and the slot simultaneously yet.
In addition, the internal diameter P of plug outer conductor annulus and the external diameter S of socket outer conductor 21 are U in axial length of fit, and U≤3.2mm preferably is set.The external diameter Q of annulus and the internal diameter R of jack housing 25 are W in axial length of fit, and annulus is T in axial length, and T≤6mm can be set; Preferred so that T〉U〉W,
As shown in Figure 8, when plug 1 with (all insert) after socket is connected, the internal diameter P of annulus and the external diameter S of socket outer conductor 21 are U in axial length of fit, U 〉=5mm preferably is set, and the internal diameter R of the external diameter Q of annulus and jack housing 25 is W in axial length of fit, W 〉=3.2mm preferably is set, and plug 1 remains on coaxial position with socket 2.When keeping coaxial plug 1 to be connected with socket 2, plug 1 towing test cable line forms angle X with socket, and X≤0.5 ° is to being preced with spring elasticity of spring leaf not damaged., repeatedly plug with 0.5 ° of maximum angle through circumferencial direction, after plug 1 is extracted, A〉B, the confining force of hat spring 24 is all the time more than or equal to 1.5N, and the elastic force of reed does not reduce, so that ground connection is reliable, without leaking.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (7)
1. radio frequency (RF) coaxial connector with protective device; comprise socket and plug; described plug comprises plug outer conductor, contact pin; described socket comprises socket outer conductor, slot, shell; described socket outer conductor inner radius is provided with the hat spring that matches with the plug outer conductor; it is characterized in that, also comprise the outer annulus that arrange, that match with described socket outer conductor external diameter of described plug outer conductor.
2. described radio frequency (RF) coaxial connector according to claim 1 is characterized in that the axial length of described annulus (E) is greater than the axial length (F) of plug outer conductor.
3. described radio frequency (RF) coaxial connector according to claim 1 is characterized in that the internal diameter of described annulus (P) is slightly larger than socket outer conductor external diameter (S), annulus external diameter (Q) is slightly larger than jack housing internal diameter (R).
4. described radio frequency (RF) coaxial connector according to claim 3 is characterized in that, the difference between described 0.1mm≤annulus internal diameter (P) and the socket outer conductor external diameter (S) more than or equal to 0.1mm less than or equal to 0.4mm.
5. described radio frequency (RF) coaxial connector according to claim 1, it is characterized in that the axial length of fit (U) between described annulus internal diameter and the described socket outer conductor external diameter is greater than the axial length of fit (W) between described annulus external diameter and the described jack housing internal diameter.
6. described radio frequency (RF) coaxial connector according to claim 5 is characterized in that the axial length of fit (U) between described annulus internal diameter and the described socket outer conductor external diameter is more than or equal to 5mm.
7. described radio frequency (RF) coaxial connector according to claim 5 is characterized in that the axial length of fit (W) between described annulus external diameter and the described jack housing internal diameter is more than or equal to 3.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503740 CN202872128U (en) | 2012-09-27 | 2012-09-27 | Radio-frequency coaxial connector with protection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503740 CN202872128U (en) | 2012-09-27 | 2012-09-27 | Radio-frequency coaxial connector with protection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202872128U true CN202872128U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220503740 Expired - Lifetime CN202872128U (en) | 2012-09-27 | 2012-09-27 | Radio-frequency coaxial connector with protection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202872128U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048147A (en) * | 2015-08-26 | 2015-11-11 | 贝思特宽带通讯(烟台)有限公司 | Spring ring and elastic sheet type quick-lock coaxial connector containing same |
| CN111293494A (en) * | 2016-04-15 | 2020-06-16 | 罗森伯格高频技术有限及两合公司 | Connector with a locking member |
| CN111480083A (en) * | 2017-12-14 | 2020-07-31 | 英冈测试设备有限责任公司 | High frequency test connector device, high frequency test system and use thereof |
-
2012
- 2012-09-27 CN CN 201220503740 patent/CN202872128U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048147A (en) * | 2015-08-26 | 2015-11-11 | 贝思特宽带通讯(烟台)有限公司 | Spring ring and elastic sheet type quick-lock coaxial connector containing same |
| CN111293494A (en) * | 2016-04-15 | 2020-06-16 | 罗森伯格高频技术有限及两合公司 | Connector with a locking member |
| CN111293494B (en) * | 2016-04-15 | 2022-06-28 | 罗森伯格高频技术有限及两合公司 | Connector with a locking member |
| CN111480083A (en) * | 2017-12-14 | 2020-07-31 | 英冈测试设备有限责任公司 | High frequency test connector device, high frequency test system and use thereof |
| US11747364B2 (en) | 2017-12-14 | 2023-09-05 | Ingun Prüfmittelbau Gmbh | High-frequency test connector device, high frequency testing system and use of same |
| CN111480083B (en) * | 2017-12-14 | 2024-02-27 | 英冈测试设备有限责任公司 | High-frequency test connector device, high-frequency test system and use thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |