CN101814679B

CN101814679B - Replaceable radio frequency coaxial connector

Info

Publication number: CN101814679B
Application number: CN2010101448464A
Authority: CN
Inventors: 周赤伟; 沈钰; 朱云川
Original assignee: Kunshan Advanced Microwave Technologies Co ltd
Current assignee: Jiangsu Anshengda Aerospace Technology Co ltd
Priority date: 2010-04-13
Filing date: 2010-04-13
Publication date: 2012-05-09
Anticipated expiration: 2030-04-13
Also published as: CN101814679A

Abstract

The invention discloses a replaceable radio frequency coaxial connector, which sequentially comprises a cable assembly structure, a connector body and a national standard interface port. The connector body comprises a first part and a second part which are connected with each other; a terminal at one end of the first part is connected with the cable assembly structure, and an assembly end at the other end is connected with an inner connection end of the second part; an outer connection end at the other end of the second part is connected with the national standard interface port; the central position in the assembly end is provided with a No. 1 inner conductor which is matched with a No. 1 outer conductor through a No. 1 intermediate; the central position in the inner connection end on the second part is provided with a No. 2 inner conductor corresponding to the No. 1 inner conductor; the No. 2 inner conductor is matched with a No. 2 outer conductor through a No. 2 intermediate; and the No. 2 outer conductor and the No. 1 outer conductor are correspondingly arranged. The replaceable radio frequency coaxial connector has the advantages of wide applicable range, high utilization efficiency, and low research and development cost, production cost and inventory cost.

Description

A kind of replaceable radio frequency coaxial connector

Technical field

The present invention relates to a kind of radio frequency (RF) coaxial connector, relate in particular to a kind of replaceable radio frequency coaxial connector, specifically be applicable to the assembling of radio frequency cable.

Background technology

In the defence and military field; The demand of high-end radio frequency cable assembly is very huge; Its employed conventional radio frequency cable and connector must be man-to-man collocation; Promptly the two ends of a cable connect two connectors, and connector construction finalizes the design fully, in use can not do any change and conversion again.This traditional collocation makes the cable of every kind of size all must be furnished with the connector of a whole set of international standard port.

The Chinese patent Granted publication number is CN201252292Y; Granted publication day is that the utility model patent on June 3rd, 2009 discloses a kind of DIN type 1/2, and " ultra gentle radio frequency coaxial-cable connector; this connector mainly is made up of connector outer conductor, insulation supporter, contact pin inner wire, cable fixed cover; the cable fixed cover is designed to the arc internal thread is set up fastening swivel nut in the cable fixed cover, a bit of H waist drum spring of resilient contact that is of in the contact pin inner wire, packing into.Though this utility model has enlarged some ranges of application a little through the cable fixed cover is designed to the arc internal thread, it is actual still fundamentally not change the application that a kind of cable must supporting a whole set of international standard port connector, when applied environment changes or system need optimize index the time; Still to reselect cable, and the connector of an exploitation simultaneously or a supporting other cover international standard port, this has caused great waste; As far as the client of multiple application demand is arranged,, and be the connector that every money cable is joined a whole set of international standard port especially owing to the cable that needs to be equipped with the different size specification; Therefore purchase cost increases greatly, and service efficiency is low, simultaneously as far as factory; They need be to producing the connector of various different series with a kind of cable design of model; Certainly will strengthen research and development and drop into, increase plant stock cost and slow-witted material cost, in a word; The existing radio frequency (RF) coaxial connector scope of application is still very narrow, and cost of idleness, utilance are lower.

Summary of the invention

The objective of the invention is to overcome that the scope of application that exists in the prior art is narrower, cost of idleness, defective and problem that utilance is lower, a kind of scope of application broad is provided, practices thrift cost, the higher replaceable radio frequency coaxial connector of utilance.

For realizing above purpose, technical solution of the present invention is: a kind of replaceable radio frequency coaxial connector comprises connecting the construction of cable and GB interface port; The said construction of cable that connects is connected with the GB interface port through connector body, and said connector body comprises interconnected first and second portion, and said first one end is terminals; Its with connect the construction of cable and be connected, the other end is the assembling end, its with second portion in connect to hold and be connected; The other end of second portion is an external connection end, and it is connected with the GB interface port, and the inside center position of assembling end is provided with inner wire No. one in the said first; No. one inner wire cooperates with an extra conductor through an intermediate; The inside center position that connects end on the said second portion is provided with and corresponding No. two inner wires of inner wire, and No. two inner wire matches with two extra conductors through No. two intermediates, two extra conductors and the corresponding setting of an extra conductor; A said inner wire is the cylindrical hole structure; One extra conductor is an external thread structure, and said No. two inner wires are and the contact pin structure of an inner wire corresponding matching that two extra conductors are female thread structure.

A kind of replaceable radio frequency coaxial connector comprises connecting the construction of cable and GB interface port that the said construction of cable that connects is connected with the GB interface port through connector body; Said connector body comprises interconnected first and second portion, and said first one end is terminals, its with connect the construction of cable and be connected; The other end is assembling end, its with second portion in connect to hold and be connected, the other end of second portion is an external connection end; It is connected with the GB interface port; The inside center position of assembling end is provided with inner wire No. one in the said first, and No. one inner wire cooperates with an extra conductor through an intermediate, and the inside center position that connects end on the said second portion is provided with and corresponding No. two inner wires of inner wire; No. two inner wire matches with two extra conductors through No. two intermediates; Two extra conductors and the corresponding setting of an extra conductor, a said inner wire is the contact pin structure, an extra conductor is an external thread structure; Said No. two inner wires are and the cylindrical hole structure of an inner wire corresponding matching that two extra conductors are female thread structure.

Notch has been cutd open at the four sides of said contact pin structure, and the inner surface of said cylindrical hole structure is smooth no notching construction.

The GB interface port that connects on the said second portion is SMA series GB interface port, N series GB interface port, TNC series GB interface port or 7/16 serial GB interface port.

Compared with prior art, beneficial effect of the present invention is:

1. owing to the connector body in a kind of replaceable radio frequency coaxial connector of the present invention is made up of first and second portion; And the terminals in the first with connect the construction of cable and be connected; External connection end on the second portion is connected with the GB interface port; When design and development, no longer need a whole set of the connector of international standard port of every kind of all supporting design of cable, and only need design the second portion that a cover has been connected with a whole set of international standard port; Just can be with this second portion and the different cables that corresponding first is housed butt joint use in turn; This has significantly reduced the design and development quantity of radio frequency connector, and with 5 sections of cables, the connector at 5 sections of international standard interfaces is an example; Originally need 25 sections of connectors of design, and only need design can guarantee that just every money cable can both be assembled to required international standard interface port for 10 sections now.Therefore scope of application broad of the present invention, practice thrift R&D costs, utilance is higher.

2. because a kind of replaceable radio frequency coaxial connector of the present invention no longer needs the connector of every kind of all supporting a whole set of international standard port separately of cable; Only need have the second portion that a cover has been connected with a whole set of international standard port; Just can this second portion be used with the different cable buttings that corresponding first is housed, this can significantly reduce the stock of client or factory, as above mentions 25 sections of connectors of original needs in the example; And every at least money reaches the stockpile number of n; The stock quantity of need passing by so is 25n just, and now owing to only need 10 sections of connectors, the quantity that then need get ready the goods becomes 10n; This not only saved greatly the client purchase cost, improved service efficiency, and saved factory the research and development input, reduced inventory cost and slow-witted material cost.Therefore the utility model is saved production cost, and utilance is high.

3. constitute by first and second portion owing to a kind of replaceable radio frequency coaxial connector of the present invention, and guarantee the demand of first, be convenient to very much replacement and install with on-the-spot to different GB interface port through recycling of second portion; When reality is used; Can in advance as required first be welded on the cable, make the semi-finished product of assembly; The connector that will use according to the installation environment selection of reality then; Directly spinning up gets final product, and simple and convenient is installed, and has avoided using at the construction field (site) welding equipment.Therefore the utility model is easy to use, installation effectiveness is higher.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the structural representation of first among the present invention.

Fig. 3 be among the present invention second portion and SMA series GB interface port be connected sketch map.

Fig. 4 be among the present invention second portion and N series GB interface port be connected sketch map.

Among the figure: connect the construction of cable 1, GB interface port 2, connector body 3, first 4, second portion 5;

Terminals

6,71, numbers intermediates 72 of assembling 7, numbers inner wires of end; One extra conductor 73, in connect end 8, No. two inner wires 81, No. two intermediates 82; Two extra conductors 83, external connection end 9, SMA series GB interface port 10, N series GB interface port 11.

Embodiment

Below in conjunction with description of drawings and embodiment the present invention is done further detailed explanation

Referring to Fig. 1; A kind of replaceable radio frequency coaxial connector mainly comprises connecting the construction of cable 1 and GB interface port 2, connects the construction of cable 1 and is connected with GB interface port 2 through connector body 3; Special feature of the present invention is that connector body 3 comprises interconnected two parts; Be respectively first 4 and second portion 5, the two ends of first 4 are respectively terminals 6 and assembling end 7, connect end 8 and external connection end 9 in the two ends of second portion 5 are respectively; Wherein, Terminals 6 with connect the construction of cable 1 and be connected, connect on assembling end 7 and the second portion 5 and hold 8 to be connected, the external connection end 9 of the other end then is connected with GB interface port 2 on the second portion 5.

Referring to Fig. 2, the inside center position that assembles end 7 in the first 4 is provided with 71, numbers inner wires of an inner wire 71 and cooperates with an extra conductor 73 through an intermediate 72.

Referring to Fig. 3; The inside center position that connects end 8 on the second portion 5 is provided with and inner wire 71 corresponding No. two inner wires 81; No. two inner wire 81 matches with two extra conductors 83 through No. two intermediates 82, two extra conductors 83 and an extra conductor 73 corresponding settings.

Inner wire 71 in the preferred embodiment of the present invention is not for there being the cylindrical hole structure of fluting, and an extra conductor 73 is an external thread structure, and No. two inner wires 81 are for cuing open the contact pin structure of four grooves, and two extra conductors 83 are female thread structure.But according to inventive concept of the present invention; Those of ordinary skills are easy to expect that an inner wire 71 also can be for cuing open the contact pin structure of four grooves, and an extra conductor 73 is an external thread structure, and No. two inner wires 81 are not for there being the cylindrical hole structure of fluting; Two extra conductors 83 are female thread structure; Perhaps inner wire 71 is for cuing open the jack structure of four grooves, and No. two inner wires 81 are not for there being the column structure of fluting, perhaps various other as putting upside down connected mode such as internal and external threads position.

The GB interface port 2 that connects on the second portion 5 is SMA series GB interface port 10, N series GB interface port 11, TNC series GB interface port or 7/16 serial GB interface port.

During actual the use, can earlier first 4 be fixedly connected with connecting the construction of cable 1, soon terminals 6 with connect the construction of cable 1 and be fixedly connected; Then second portion 5 is fixedly connected with GB interface port 2; Be about to external connection end 9 and be fixedly connected,, can on every kind of GB interface port 2, all be fixedly connected a second portion 5 in advance for the convenience of replacing with GB interface port 2; In reality, need to use which GB interface port then; As when needing SMA series GB interface port 10,, then hold 8 to be fixedly connected with connecing on the assembling end 7 in the first that connects on the cable 4 and the second portion 5 that SMA series GB interface port 10 is housed referring to Fig. 3; In inner wire 71 of No. two inner wire 81 insertions; Simultaneously two extra conductors 83 are enclosed within on the extra conductor 73, guarantee being fixedly connected of first 4 and second portion 5 through rotation then, thereby realize being connected of cable and the serial GB interface port 10 of its required SMA.

Referring to Fig. 4; After using,, no longer need SMA series GB interface port 10 if applied environment changes; But need N series GB interface port 11; Then pull down the second portion 5 that is fixedly connected with SMA series GB interface port 10 earlier, first's 4 butt joints that are connected on the second portion 5 that will be fixedly connected with N series GB interface port 11 more and the cable, thus realize being connected of cable and the serial GB interface port 11 of N.This shows that can satisfy the needs to different GB interface port fully through using in turn of second portion 5, therefore scope of application broad, the utilance of invention are higher, can practice thrift R&D costs, production cost and inventory cost greatly.

Claims

1. a replaceable radio frequency coaxial connector comprises connecting the construction of cable (1) and GB interface port (2), and the said construction of cable (1) that connects is connected with GB interface port (2) through connector body (3); It is characterized in that: said connector body (3) comprises interconnected first (4) and second portion (5); Said first (4) one ends are terminals (6), its with connect the construction of cable (1) and be connected, the other end is assembling end (7); Its with second portion (5) in connect end (8) and be connected; Second portion (5) other end is external connection end (9), and it is connected with GB interface port (2), and the inside center position that assembling end (7) is gone up by said first (4) is provided with an inner wire (71); An inner wire (71) cooperates with an extra conductor (73) through an intermediate (72); The inside center position that connects end (8) in said second portion (5) is gone up is provided with and corresponding No. two inner wires of an inner wire (71) (81), and No. two inner wires (81) match with two extra conductors (83) through No. two intermediates (82), two extra conductors (83) and the corresponding setting of an extra conductor (73); A said inner wire (71) is the cylindrical hole structure; One extra conductor (73) is an external thread structure, and said No. two inner wires (81) are and the contact pin structure of an inner wire (71) corresponding matching that two extra conductors (83) are female thread structure.

2. a replaceable radio frequency coaxial connector comprises connecting the construction of cable (1) and GB interface port (2), and the said construction of cable (1) that connects is connected with GB interface port (2) through connector body (3); It is characterized in that: said connector body (3) comprises interconnected first (4) and second portion (5); Said first (4) one ends are terminals (6), its with connect the construction of cable (1) and be connected, the other end is assembling end (7); Its with second portion (5) in connect end (8) and be connected; Second portion (5) other end is external connection end (9), and it is connected with GB interface port (2), and the inside center position that assembling end (7) is gone up by said first (4) is provided with an inner wire (71); An inner wire (71) cooperates with an extra conductor (73) through an intermediate (72); The inside center position that connects end (8) in said second portion (5) is gone up is provided with and corresponding No. two inner wires of an inner wire (71) (81), and No. two inner wires (81) match with two extra conductors (83) through No. two intermediates (82), two extra conductors (83) and the corresponding setting of an extra conductor (73); A said inner wire (71) is the contact pin structure; One extra conductor (73) is an external thread structure, and said No. two inner wires (81) are and the cylindrical hole structure of an inner wire (71) corresponding matching that two extra conductors (83) are female thread structure.

3. a kind of replaceable radio frequency coaxial connector according to claim 1 and 2 is characterized in that: notch has been cutd open at the four sides of said contact pin structure, and the inner surface of said cylindrical hole structure is smooth no notching construction.

4. a kind of replaceable radio frequency coaxial connector according to claim 1 and 2 is characterized in that: said second portion (5) is gone up the GB interface port (2) that connects and is SMA series GB interface port (10), N series GB interface port (11), TNC series GB interface port or 7/16 serial GB interface port.