CN208890025U - A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled - Google Patents

A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled Download PDF

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Publication number
CN208890025U
CN208890025U CN201821922231.8U CN201821922231U CN208890025U CN 208890025 U CN208890025 U CN 208890025U CN 201821922231 U CN201821922231 U CN 201821922231U CN 208890025 U CN208890025 U CN 208890025U
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CN
China
Prior art keywords
insulator
housing
shell
phase
rigid cable
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Expired - Fee Related
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CN201821922231.8U
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Chinese (zh)
Inventor
牟萌
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Shaanxi Kingsignal Electronic Technology Co Ltd
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Shaanxi Kingsignal Electronic Technology Co Ltd
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Abstract

The utility model discloses a kind of mating semi-rigid cable and the SMA type radio frequency (RF) coaxial connectors of phase-adjustable section, connection swivel nut and second housing including the first shell, movable set on the outside of the first case nose, the first insulator is equipped in first shell, run through the first inner conductor of the first insulator in first insulator equipped with front and back, the rear end of first inner conductor is equipped with jack;The second insulator is equipped in the second housing, run through the second inner conductor of the second insulator in second insulator equipped with front and back, the front end outer side of the second housing is movably equipped with adjusting nut, the rear end of the adjusting nut and first shell is connected through a screw thread, and the front end of second inner conductor is plugged together with the jack.The utility model adjusts the length of entire connector by adjusting nut, to adjust the electrical length of whole CA cable assembly, realizes the phase equalization of multi-cable inter-module, and adjustment process have the characteristics that it is convenient and efficient, reliable.

Description

A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled
Technical field
The utility model relates to radio frequency (RF) coaxial connector technical field more particularly to a kind of mating semi-rigid cable and phases Adjustable SMA type radio frequency (RF) coaxial connector.
Background technique
Existing middle conventional CA cable assembly is made of connector and cable, limit of the CA cable assembly by itself physical length Fixed, phase is constant and uncontrollable;And in more isometric CA cable assemblies, due to that can have error when production, because Phase between this these CA cable assembly is also inconsistent;With Radar Technology by it is rudimentary to it is advanced, from simple to complex, by closely The development for detecting the differentiation of long-range detection, especially phased-array radar, between the phase equalization requirement CA cable assembly It is higher and higher;In this way in operating frequency range, the phase equalization of multi-cable inter-module need to be maintained at certain range It is more complicated and time-consuming with phase process when interior;Therefore a kind of novel SMA that semi-rigid cable and phase-adjustable section is coupled is researched and developed Type radio frequency (RF) coaxial connector is necessary.
Utility model content
The utility model is directed to above-mentioned existing technological deficiency, provides a kind of mating semi-rigid cable and phase-adjustable section SMA type radio frequency (RF) coaxial connector, the length of entire connector is adjusted by adjusting nut, to adjust whole CA cable assembly Electrical length, the phase equalization of realization multi-cable inter-module, and adjustment process have the characteristics that convenient and efficient, reliable.
In order to solve the above-mentioned technical problem, the utility model provides a kind of mating semi-rigid cable and phase-adjustable section SMA type radio frequency (RF) coaxial connector including connection swivel nut on the outside of the first case nose of the first shell, movable set and is used for The second housing connecting with semi-rigid cable, first shell is interior to be equipped with the first insulator, is equipped in first insulator The first inner conductor of the first insulator is run through in front and back, and the rear end of first inner conductor is equipped with jack;It is set in the second housing There is the second insulator, runs through the second inner conductor of the second insulator, the second housing in second insulator equipped with front and back Front end outer side be movably equipped with adjusting nut, the rear end of the adjusting nut and first shell is connected through a screw thread, and institute The front end and the jack for stating the second inner conductor plug together.
Further, first outer casing back is equipped with the first male threaded joint connecting with the adjusting nut, institute Second housing rear end is stated equipped with the second male threaded joint.
Further, the first nut is arranged on first male threaded joint, on second male threaded joint Successively it is arranged with the second nut and third nut.
Further, first inner conductor includes the intermediate the first noumenon engaged with first insulator and difference Plug division and the first contact pin set on the first noumenon both ends, the jack are set in the plug division, the first contact pin protrusion In first insulator front end and form interface between the connection swivel nut;Second inner conductor includes intermediate Second ontology and the weld part and the second contact pin for being respectively arranged on the second ontology both ends, the front end of second contact pin protrude from institute State the front end of second housing and with the jack grafting, the weld part with the semi-rigid cable for connecting.
Further, the plug division is vacantly set in first male threaded joint, the first external screw thread connection The length in portion is greater than the depth of the jack;It is equipped between the adjusting nut and the second housing and accommodates the first outer spiral shell The inserting groove of line interconnecting piece.
Further, the front end two sides of the second housing and the rear end sides of the plug division are equipped with open slot; Second contact pin and the jack, which pass through, is interference fitted grafting, outside the rear end of first male threaded joint and described second The front end of shell passes through interference fit grafting.
Further, the periphery of the first noumenon is equipped with gear button, and the inside of first insulator is equipped with and the gear The card slot that buckle closes, and the front end surface of the plug division is abutted with the rear end face of first insulator;Outside described first Shell front end is equipped with catching step, and the rear end face of first insulator is abutted with the catching step.
Further, the front end outer side of first shell be equipped with the first groove, it is described connection swivel nut inside be equipped with Corresponding second groove of first groove is equipped with the first snap ring in both first groove and the second groove;Described The periphery of two shells is equipped with third groove, and it is recessed that the inside of the adjusting nut is equipped with the corresponding with the third groove the 4th Slot, both the third groove and the 4th groove are interior to be equipped with the second snap ring.
Further, the gap for grafting, institute are formed between the front end of first shell and the connection swivel nut State the sealing ring for being equipped in gap and being sleeved on first outer side of shell.
Further, the connection swivel nut, adjusting nut, the first shell and second housing are all made of stainless steel and are made.
The utility model has the following beneficial effects:
The utility model is connected by the way that connector to be divided into the first shell and second housing of front end by adjusting nut First shell and second housing, and the first inner conductor and the second inner conductor for plugging together connection are set in two shells respectively, this Sample can adjust the total length of entire connector by adjusting nut, change interleaving for the first inner conductor and the second inner conductor with this The length of conjunction, makes to connect the electrical length formed by the first inner conductor and the second inner conductor in connector and changes, thus adjustable The electrical length for saving the CA cable assembly formed after the connector is connect with semi-rigid cable guarantees between different multi-cable components Phase equalization, and the adjustment process have the characteristics that it is convenient and efficient, high-efficient and reliable;Also outside the first shell and second The nut for locking is provided on shell, after regulating the length of connector, to keep the length of connector not by external force Influence and change, it is close to adjusting nut by the first nut and the second nut of two sides and screw, so that locking is simultaneously Adjusting nut is fixed, and in the outside of the second nut setting third nut as stop nut, it is ensured that is be locked is reliable Property, so that the electrical property of connector is able to maintain stabilization;Rear end sides also in the front end two sides of second housing and plug division are equipped with Open slot is designed by the structure of the open slot, makes the second inner conductor and the first inner conductor and the first shell and second housing Elastic Contact is respectively formed after grafting, it is ensured that the compactness and reliability of contact connectio, and convenient for plugging together connection;The utility model Middle connection swivel nut, the first shell, second housing and adjusting nut are all made of stainless steel material and are made, and improve the resistance to ring of connector Border reliability.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, It does not constitute improper limits to the present invention, in the accompanying drawings:
Fig. 1 is the first shell and the semi-section schematic diagram after the assembling of all parts thereon in embodiment;
Fig. 2 is second housing and the semi-section schematic diagram after the assembling of all parts thereon in embodiment;
Fig. 3 is the semi-section that semi-rigid cable and the SMA type radio frequency (RF) coaxial connector of phase-adjustable section are coupled in embodiment Schematic diagram;
Fig. 4 is the semi-section schematic diagram of second housing in embodiment;
Fig. 5 is the left view of second housing in embodiment;
Fig. 6 is the semi-section schematic diagram of the first inner conductor in embodiment.
Specific embodiment
In order to more fully understand the technology contents of the utility model, below in conjunction with attached drawing and specific embodiment to this Utility model is described further and illustrates.
Embodiment
As shown in Figures 1 to 6, a kind of mating semi-rigid cable and the SMA type of phase-adjustable section shown in the present embodiment are penetrated Frequency coaxial connector, including the first shell 1, movable set in 1 front end outer side of the first shell connection swivel nut 2 and be used for and half The second housing 3 of rigid cable connection is equipped with the first insulator 11 in the first shell 1, and engaging is equipped in the first insulator 11 The first inner conductor 12 of first insulator 11 is run through in front and back, and the rear end of the first inner conductor 12 is equipped with the jack 121 for grafting; It is equipped with the second insulator 31 in second housing 3, is led in the second of the second insulator 31 in the second insulator 31 equipped with front and back Body 32, the front end outer side of second housing 3 are movably equipped with adjusting nut 4, and adjusting nut 4 is threadingly attached to the first shell 1 Rear end periphery, and plug together the front end of the second inner conductor 32 with jack 121 and connect;Connection is adjusted by adjusting nut among the above The total length of device changes the length plugged together between the first inner conductor and the second inner conductor with this, makes in connector by leading in first Body and the second inner conductor connect the electrical length to be formed and change, so that group after the connector is connect with semi-rigid cable be adjusted At CA cable assembly electrical length, guarantee the phase equalization between different CA cable assembly, and the adjustment process have it is convenient Fast, high-efficient and reliable feature.
Specifically, the first male threaded joint 13 connecting with adjusting nut 4 is equipped in 1 rear end of the first shell, second 3 rear end of shell is equipped with the second male threaded joint 33;And matched first nut is arranged on the first male threaded joint 13 131, the second nut 331 and third nut 332 are successively arranged on the second male threaded joint 33;Passing through adjusting nut in this way The first shell of assembly and connection 1 and second housing 3, and after regulating the length of connector, to keep the length of connector not by outer The influence of power and change and avoid adjusting nut to loosen, pass through the first nut and the second nut of adjusting nut two sides It is close to adjusting nut and screw, to lock and fix adjusting nut, and third nut is set in the outside of the second nut As stop nut, it is ensured that the reliability being locked makes the electrical property of connector be able to maintain stabilization, and phase remains unchanged.
First inner conductor 12 includes the first noumenon 122 of centre and the plug division for being respectively arranged on 122 rear end of the first noumenon 123 and front end the first contact pin 124, jack 121 be set to plug division 123 in, the first contact pin 124 protrudes from the first insulator 11 Front end simultaneously forms interface with connecting between swivel nut 2;Second inner conductor 32 includes the second intermediate ontology 321 and is respectively arranged on Second contact pin 323 of weld part 322 and front end that 321 rear end of the second ontology is used to connect with the core wire of semi-rigid cable, second The front end that the front end of contact pin 323 protrudes from second housing 3 is used for and 121 grafting of jack in plug division 123;And in practical application In the process, the length that the second contact pin 323 protrudes out second housing 3 should be greater than the depth of jack 121, prevent from leading in first after plugging together Body is contacted with second housing;Or the second gap between contact pin and second housing should be greater than the wall thickness of plug division, to prevent The first inner conductor is contacted with second housing after plugging together.
Specifically, plug division 123 is vacantly set in the first male threaded joint 13, convenient for grafting and prevent and the first shell Contact, and the length of the first male threaded joint 13 is greater than the depth of jack 121, so that the first nut installed on it will not The adjustable range of adjusting nut is influenced, and can ensure that the second contact pin can plug together completely with jack;Adjusting nut 4 and second housing 3 Between be equipped with the inserting groove 41 for accommodating the first male threaded joint 31, the first shell and second housing are formed and are connect in this way after plugging together Touching connection.
Specifically, being equipped with symmetrical open slot in the front end two sides of second housing 3 and the rear end sides of plug division 123 126, the rear end of plug division and the front end of second housing are divided equally into two in this way, make the plug division rear end for being divided into two halves and the Elastic deformation can occur in stress for two case noses;In actual application, the jack in the second contact pin and plug division is logical Cross interference fit grafting, the front end of the rear end of the first male threaded joint 13 and second housing 3 also by interference fit grafting, this Sample micro- can strut plug division outward when the second contact pin is inserted into jack, so that the second contact pin is formed Elastic Contact with plug division and connect, After the first male threaded joint 13 insertion inserting groove 41 of first shell, 1 rear end, before second housing is reduced in the micro- inside extruding of meeting End, makes the first shell also form Elastic Contact with second housing and connects.
Specifically, the peripheral ring of the first noumenon 122 is equipped with the gear button 125 of taper, the inside of the first insulator 11 be equipped with The card slot 111 of 125 engaging of gear button, and the front end surface of plug division 123 is abutted with the rear end face of the first insulator 11, thus will The phenomenon that first inner conductor is fixed, and prevents the first inner conductor from occurring receding in grafting or being ejected forward;Outside first 1 front end of shell is equipped with catching step 14, and the rear end face of the first insulator 11 is abutted with catching step 14.
Specifically, the front end outer side of the first shell 1 is equipped with the first groove 15, the inside of connection swivel nut 2 be equipped with it is first recessed It is equipped with the first snap ring 5 in corresponding second groove 21 of slot 15, the first groove 15 and 21 the two of the second groove, passes through the first snap ring 5 can be fixed connection swivel nut can rotate in the first case nose and connection swivel nut relative to the first shell; The periphery of second housing 3 is equipped with third groove 34, and the inside of adjusting nut 4 is equipped with the 4th groove corresponding with third groove 34 42, third groove 34 and 42 the two of the 4th groove are interior equipped with the second snap ring 6, can be engaged adjusting nut by the second snap ring 6 It is fixed on 3 front end of second housing, and can guarantee that adjusting nut can be rotated relative to second housing.
The gap for grafting is formed between the front end of first shell 1 and connection swivel nut 2, equipped with being sleeved on the in gap The sealing ring 7 in one shell, 1 outside.
In the other embodiments of the utility model, connection swivel nut, adjusting nut, the first shell and second housing are all made of Stainless steel is made, to improve the resistance to environmental reliability of connector.
A kind of mating semi-rigid cable and the SMA type radio frequency (RF) coaxial connector of phase-adjustable section shown in the present embodiment and half The assembling process of rigid cable is as follows: first by the second snap ring loaded in third groove, second and third nut loaded on outside second Adjusting nut is finally sleeved on second housing front end by the corresponding position on the outside of shell, and the periphery of the second snap ring is made to be caught in the 4th In groove;Wire stripping is carried out to semi-rigid cable, the core wire and shielded layer of certain length are stripped out respectively, by the second inner conductor rear end Weld part is welded on the core wire of semi-rigid cable, the second ontology being then sleeved on the second insulator among the second inner conductor Then semi-rigid cable is encased in second housing by periphery by the rear end of second housing, then by the shielding on semi-rigid cable Layer welds together with second housing;Then the first shell is packed into after the engaging of the first insulator being sleeved on outside the first inner conductor In, then by the first snap ring loaded in the first groove, sealing ring is loaded on the corresponding position of the first outer side of shell, finally will connection Swivel nut is sleeved on the first case nose, is caught in the periphery of the first snap ring in the second groove, finally by adjusting nut by first Shell and second housing link together, and complete assembly.
Technical solution provided by the utility model embodiment is described in detail above, it is used herein specifically A example is expounded the principle and embodiment of the utility model embodiment, and the explanation of above embodiments is only applicable to help Assistant solves the principle of the utility model embodiment;At the same time, for those skilled in the art is implemented according to the utility model Example, there will be changes in terms of specific embodiments and scope of application, in conclusion the content of the present specification should not be construed as Limitations of the present invention.

Claims (10)

1. the SMA type radio frequency (RF) coaxial connector of a kind of mating semi-rigid cable and phase-adjustable section, which is characterized in that including first The connection swivel nut of shell, movable set on the outside of the first case nose and the second housing for being connect with semi-rigid cable, It is equipped with the first insulator in first shell, is led in the first of the first insulator in first insulator equipped with front and back The rear end of body, first inner conductor is equipped with jack;The second insulator is equipped in the second housing, in second insulator Run through the second inner conductor of the second insulator equipped with front and back, the front end outer side of the second housing is movably equipped with adjusting nut, institute The rear end for stating adjusting nut and first shell is connected through a screw thread, and the front end of second inner conductor and the jack are inserted It closes.
2. the SMA type radio frequency (RF) coaxial connector of mating semi-rigid cable according to claim 1 and phase-adjustable section, special Sign is that first outer casing back is equipped with the first male threaded joint connecting with the adjusting nut, the second housing Rear end is equipped with the second male threaded joint.
3. the SMA type radio frequency (RF) coaxial connector of mating semi-rigid cable according to claim 2 and phase-adjustable section, special Sign is, the first nut is arranged on first male threaded joint, is successively arranged on second male threaded joint Second nut and third nut.
4. the SMA type radio frequency (RF) coaxial connector of mating semi-rigid cable according to claim 3 and phase-adjustable section, special Sign is that first inner conductor includes the intermediate the first noumenon engaged with first insulator and is respectively arranged on first The plug division at body both ends and the first contact pin, the jack are set in the plug division, and first contact pin protrudes from described first The front end of insulator simultaneously forms interface between the connection swivel nut;Second inner conductor include the second intermediate ontology with And it is respectively arranged on the weld part and the second contact pin at the second ontology both ends, the front end of second contact pin protrudes from the second housing Front end and with the jack grafting, the weld part with the semi-rigid cable for connecting.
5. the SMA type radio frequency (RF) coaxial connector of mating semi-rigid cable according to claim 4 and phase-adjustable section, special Sign is that the plug division is vacantly set in first male threaded joint, and the length of first male threaded joint is big In the depth of the jack;It is equipped between the adjusting nut and the second housing and accommodates first male threaded joint Inserting groove.
6. the SMA type radio frequency (RF) coaxial connector of mating semi-rigid cable according to claim 5 and phase-adjustable section, special Sign is that the front end two sides of the second housing and the rear end sides of the plug division are equipped with open slot;Described second inserts By interference fit grafting, the rear end of first male threaded joint and the front end of the second housing are logical for needle and the jack Cross interference fit grafting.
7. the SMA type radio frequency (RF) coaxial connector of mating semi-rigid cable according to claim 6 and phase-adjustable section, special Sign is that the periphery of the first noumenon is equipped with gear button, and the inside of first insulator is equipped with the card closed with the gear buckle Slot, and the front end surface of the plug division is abutted with the rear end face of first insulator;First case nose is equipped with The rear end face of catching step, first insulator is abutted with the catching step.
8. the SMA type RF coaxial of mating semi-rigid cable according to claim 1-7 and phase-adjustable section connects Connect device, which is characterized in that the front end outer side of first shell is equipped with the first groove, and the inside of the connection swivel nut is equipped with and institute Corresponding second groove of the first groove is stated, is equipped with the first snap ring in both first groove and the second groove;Described second The periphery of shell is equipped with third groove, and the inside of the adjusting nut is equipped with the 4th groove corresponding with the third groove, The second snap ring is equipped in both the third groove and the 4th groove.
9. the SMA type radio frequency (RF) coaxial connector of mating semi-rigid cable according to claim 8 and phase-adjustable section, special Sign is, the gap for grafting is formed between the front end of first shell and the connection swivel nut, is set in the gap There is the sealing ring for being sleeved on first outer side of shell.
10. the SMA type radio frequency (RF) coaxial connector of mating semi-rigid cable according to claim 9 and phase-adjustable section, It is characterized in that, the connection swivel nut, adjusting nut, the first shell and second housing are all made of stainless steel and are made.
CN201821922231.8U 2018-11-21 2018-11-21 A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled Expired - Fee Related CN208890025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821922231.8U CN208890025U (en) 2018-11-21 2018-11-21 A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled

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Application Number Priority Date Filing Date Title
CN201821922231.8U CN208890025U (en) 2018-11-21 2018-11-21 A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110247218A (en) * 2019-07-03 2019-09-17 法特迪精密科技(苏州)有限公司 A kind of hyperfrequency socket for inspection suitable for integrated circuit
CN110299653A (en) * 2018-11-21 2019-10-01 陕西金信诺电子技术有限公司 A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110299653A (en) * 2018-11-21 2019-10-01 陕西金信诺电子技术有限公司 A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled
CN110247218A (en) * 2019-07-03 2019-09-17 法特迪精密科技(苏州)有限公司 A kind of hyperfrequency socket for inspection suitable for integrated circuit

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Granted publication date: 20190521