CN110086053A - A kind of SMA radio frequency (RF) coaxial connector of fast insert-pull - Google Patents
A kind of SMA radio frequency (RF) coaxial connector of fast insert-pull Download PDFInfo
- Publication number
- CN110086053A CN110086053A CN201910434797.9A CN201910434797A CN110086053A CN 110086053 A CN110086053 A CN 110086053A CN 201910434797 A CN201910434797 A CN 201910434797A CN 110086053 A CN110086053 A CN 110086053A
- Authority
- CN
- China
- Prior art keywords
- contact head
- face
- inner conductor
- radio frequency
- outer housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses the SMA radio frequency (RF) coaxial connectors of microwave communication and a kind of fast insert-pull in radio frequency interconnection technique field, it is columned outer housing including shape, inner conductor, contact head and dielectric, and outer housing, inner conductor, it is concentric assembling between contact head and dielectric, contact head is embedded in the inside of outer housing, and the left end end face one of contact head is lower than the left side of outer housing, dielectric is wrapped in the outer circle of inner conductor, and it is embedded in inside the coaxial cavity that contact head and outer housing are formed, the left end needle point of inner conductor is higher than end face one, it is added to the contact head that an oral area has elastic design structure, realize fast insert-pull and docking, interior contact head with elastic construction can effectively guarantee SMA public affairs, the reliability and stability of female connector docking, the SMA male connector of this structure design is coaxial The test and interconnection of communication system would be much more convenient in connector and CA cable assembly, provides maximized help for the quick interconnection of communication system.
Description
Technical field
The present invention relates to microwave communication and radio frequency interconnection technique field, the SMA RF coaxial of specially a kind of fast insert-pull
Connector.
Background technique
Radio frequency (RF) coaxial connector is very important subassembly and very common frequency microwave in microwave telecommunication system
Signal transmission port component, international standard model also there are many kinds of, current each manufacturer is substantially according to IEC state
Port as defined in the standard of border is designed and produces, but problem is, therewith the continuous upgrading and update of communication system, it is desirable that logical
Believe that system equipment is more and more small, function more and more modularization needs quickly docking and plug when modular subsystem interconnects,
Based on this background applications, we should be that the SMA radio frequency (RF) coaxial connector of screw thread coupling redesigns by original standard
For can be with the structure of fast insert-pull, the structure use be very simple, it is only necessary to by the SMA Male head connector designed with the present invention with
The SMA female connector of standard docks, it is not necessary to rotary screwing thread and use torque spanner, while on electric function with
Design as defined in IEC standard greatly facilitates the use of client compared to relatively without difference.
Summary of the invention
Its script can be made to use with the SMA male connector radio frequency connector of fast insert-pull the purpose of the present invention is to provide a kind of
The connection type of screw thread is changed to plug-in, maximized help is provided for the quick interconnection of communication system, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: a kind of SMA RF coaxial of fast insert-pull connects
Device, including shape is columned outer housing, inner conductor, contact head and dielectric, and outer housing, inner conductor, contact head
It is concentric assembling between dielectric, the contact head is embedded in the inside of outer housing, and the left end end face one of contact head
Lower than the left side of outer housing, the dielectric is wrapped in the outer circle of inner conductor, and is embedded in contact head and the shell bodily form
At coaxial cavity inside, the left end needle point of the inner conductor is higher than end face one.
Preferably, the inner conductor includes needle point and step one, and the step one is located at needle point and inner conductor junction, institute
It states and is additionally provided with interconnecting piece on the outer wall of inner conductor.
Preferably, the contact head includes the port being arranged concentrically and step two, and the port is provided with 6-10 notch, and
Port is in flared, is additionally provided with annular knurl on the outer wall of the step two.
Preferably, the inside of the outer housing is equipped with the interior stepped hole being arranged concentrically, and the interior stepped hole and annular knurl match
It closes, rear end through-hole wall is equipped with barb in the outer housing, is equipped between rear end through-hole and interior stepped hole in the outer housing
Bottom surface, the right side and bottom surface of the step two are in close contact, and are interference fit between the interior stepped hole and step two, and interior
Stepped hole is identical with the length of step two.
Preferably, the dielectric includes inner hole, end face two and outer barrel, and the end face two is located at a left side for outer barrel
End, the inside of the outer barrel is provided with the inner hole through end face two, inside of the needle point through end face two, the outer barrel
Outer diameter and contact head internal diameter between for interference fit, and match between the internal diameter of outer barrel and the outer diameter of inner conductor for interference
It closes.
Preferably, the step one and two flush of end face perhaps the recess end face two and one flush of end face or
Recess, and two groups of cup depths are no more than 0.25mm.
Preferably, the end face one of the contact head is designed in rounded corner, and rounding radii is not less than 0.1mm.
Preferably, the interconnecting piece is in annular knurl or hangnail shape.
Compared with prior art, the beneficial effects of the present invention are: the present invention is added outside by eliminating in standard design
Internal screw thread on shell, while being added to the contact head that an oral area has elastic design structure is realized and standard with this
The fast insert-pull of SMA female radio frequency (RF) coaxial connector and docking, the interior contact head with elastic construction can effectively guarantee
The reliability and stability of SMA male and female head connector docking, the SMA male connector coaxial connector and CA cable assembly of the design of this structure
The test and interconnection of communication system would be much more convenient, provide maximized help for the quick interconnection of communication system.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is contact head of the present invention and outer housing assembly structure diagram；
Fig. 3 is outer shell construction schematic diagram of the present invention；
Fig. 4 is contact head structural schematic diagram of the present invention；
Fig. 5 is inner conductor structure schematic diagram of the present invention；
Fig. 6 is dielectric structural schematic diagram of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- outer housing, stepped hole in 11-, the bottom surface 12-, 13- barb, 2- inner conductor, 21- needle point, 22- step one, 23- connection
Portion, 3- contact head, the end face 31- one, the port 32-, 33- annular knurl, 34- step two, 4- dielectric, 41- inner hole, the end face 42- two,
43- outer barrel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 signal is please referred to, the present invention provides a kind of SMA radio frequency (RF) coaxial connectors of fast insert-pull, including shape
It is columned outer housing 1, inner conductor 2, contact head 3 and dielectric 4, and outer housing 1, inner conductor 2, contact head 3 and absolutely
It is concentric assembling between edge medium 4, the contact head 3 is embedded in the inside of outer housing 1, and the left end end face one of contact head 3
31 are lower than the left side of outer housing 1, and the dielectric 4 is wrapped in the outer circle of inner conductor 2, and are embedded in contact head 3 and outer
Inside the coaxial cavity that shell 1 is formed, the left end needle point 21 of the inner conductor 2 is higher than end face 1.
Wherein, the inner conductor 2 includes needle point 21 and step 1, and the step 1 is located at needle point 21 and inner conductor 2
Junction is additionally provided with interconnecting piece 23 on the outer wall of the inner conductor 2.
Wherein, the contact head 3 includes that the port 32 being arranged concentrically and step 2 34, the port 32 are provided with 6-10 slot
Mouthful, and port 32 is in flared, is additionally provided with annular knurl 33 on the outer wall of the step 2 34.
Wherein, the inside of the outer housing 1 is equipped with the interior stepped hole 11 being arranged concentrically, the interior stepped hole 11 and annular knurl 33
It matches, rear end through-hole wall is equipped with barb 13 in the outer housing 1, rear end through-hole and interior stepped hole in the outer housing 1
Bottom surface 12 is equipped between 11, the right side and bottom surface 12 of the step 2 34 are in close contact, the interior stepped hole 11 and step two
It is interference fit between 34, and interior stepped hole 11 is identical with the length of step 2 34.
Wherein, the dielectric 4 includes inner hole 41, end face 2 42 and outer barrel 43, and the end face 2 42 is located at outer cylinder
The left end of body 43, the inside of the outer barrel 43 are provided with the inner hole 41 through end face 2 42, and the needle point 21 is through end face two
42 inside, between the outer diameter of the outer barrel 43 and the internal diameter of contact head 3 for interference fit, and the internal diameter of outer barrel 43 with it is interior
It is interference fit between the outer diameter of conductor 2.
Wherein, the step 1 and 2 42 flush of end face or recess, the end face 2 42 are equal with end face 1
Neat or recess, and two groups of cup depths are no more than 0.25mm.
Wherein, the end face 1 of the contact head 3 is designed in rounded corner, and rounding radii is not less than 0.1mm.
Wherein, the interconnecting piece 23 is in annular knurl or hangnail shape.
One concrete application of the present embodiment are as follows: contact head 3 is pressed into the interior stepped hole 11 of outer housing 1 in advance when assembling
In, the outer circle annular knurl 33 of contact head 3 is matched with the interior stepped hole 11 of outer housing 1, while guarantee the right side of step 2 34 with
It is in close contact when bottom surface 12, the port 32 of contact head 3 is that design has 6-10 fluting, and the port 32 before assembling is by flaring
Reason is in petal-shaped, while design has barb 13 on the interior central through hole wall of outer housing 1, to guarantee the outer barrel of dielectric 4
It is securely held when 43 indentation outer housing 1, dielectric 4 is then pressed into the inside that outer housing 1 and contact head 3 are formed
In cylindrical cavity, guarantee that the end face 2 42 of dielectric 4 is concordant with the end face 1 of contact head 3 or is recessed, cup depth is not
More than 0.25mm.Inner conductor 2 is finally prolonged 21 direction of needle point to be pressed into from the inner hole 41 of dielectric 4, at this time the needle point of inner conductor 2
21 with the port 32 of contact head 3 be same direction, until the step 1 of inner conductor 2 it is concordant with the end face 1 of contact head 3 or
Person's recess, cup depth are also to be no more than 0.25mm.
Meet recess size requirement before inner conductor 2 and dielectric 4 and contact head 3 after being completed.
It realizes the standardized designs of correlated parts, and then extends in the design of other similar adapters, maximumlly
Quick interconnection before instant microwave communication system components.
It should be mentioned that the present invention is a kind of structure division of SMA radio frequency (RF) coaxial connector that can be inserted fastly, so
Same model connector, adapter or the structural approach according to the invention designed using this structure, and to structure of the invention
Method or diminution design other coaxial connectors and also belong to protection scope of the present invention.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. a kind of SMA radio frequency (RF) coaxial connector of fast insert-pull, which is characterized in that including shape be columned outer housing
(1), inner conductor (2), contact head (3) and dielectric (4), and outer housing (1), inner conductor (2), contact head (3) and insulation are situated between
It is concentric assembling between matter (4), the contact head (3) is embedded in the inside of outer housing (1), and the left end end of contact head (3)
Face one (31) is lower than the left side of outer housing (1), and the dielectric (4) is wrapped in the outer circle of inner conductor (2), and is embedded in
Inside the coaxial cavity that contact head (3) and outer housing (1) are formed, the left end needle point (21) of the inner conductor (2) is higher than end face one
(31).
2. a kind of SMA radio frequency (RF) coaxial connector of fast insert-pull according to claim 1, it is characterised in that: led in described
Body (2) includes needle point (21) and step one (22), and the step one (22) is located at needle point (21) and inner conductor (2) junction, institute
It states and is additionally provided with interconnecting piece (23) on the outer wall of inner conductor (2).
3. a kind of SMA radio frequency (RF) coaxial connector of fast insert-pull according to claim 1, it is characterised in that: the contact
Head (3) includes the port (32) being arranged concentrically and step two (34), and the port (32) is provided with 6-10 notch, and port (32)
In flared, annular knurl (33) are additionally provided on the outer wall of the step two (34).
4. a kind of SMA radio frequency (RF) coaxial connector of fast insert-pull according to claim 3, it is characterised in that: the shell
The inside of body (1) is equipped with the interior stepped hole (11) being arranged concentrically, and the interior stepped hole (11) and annular knurl (33) match, described outer
The interior rear end through-hole wall of shell (1) is equipped with barb (13), between the interior rear end through-hole of outer housing (1) and interior stepped hole (11)
Equipped with bottom surface (12), the right side and bottom surface (12) of the step two (34) are in close contact, the interior stepped hole (11) and step
It is interference fit between two (34), and interior stepped hole (11) is identical with the length of step two (34).
5. a kind of SMA radio frequency (RF) coaxial connector of fast insert-pull according to claim 2, it is characterised in that: the insulation
Medium (4) includes inner hole (41), end face two (42) and outer barrel (43), and the end face two (42) is located at a left side for outer barrel (43)
End, the inside of the outer barrel (43) are provided with the inner hole (41) through end face two (42), and the needle point (21) is through end face two
(42) inside is interference fit between the outer diameter of the outer barrel (43) and the internal diameter of contact head (3), and outer barrel (43)
It is interference fit between internal diameter and the outer diameter of inner conductor (2).
6. according to a kind of SMA radio frequency (RF) coaxial connector of any fast insert-pull of claim 2-5, it is characterised in that: institute
State step one (22) and end face two (42) flush perhaps the recess end face two (42) and end face one (31) flush or recessed
It falls into, and two groups of cup depths are no more than 0.25mm.
7. a kind of SMA radio frequency (RF) coaxial connector of fast insert-pull according to claim 1, it is characterised in that: the contact
The end face one (31) of head (3) is designed in rounded corner, and rounding radii is not less than 0.1mm.
8. a kind of SMA radio frequency (RF) coaxial connector of fast insert-pull according to claim 2, it is characterised in that: the connection
Portion (23) is in annular knurl or hangnail shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434797.9A CN110086053A (en) | 2019-05-23 | 2019-05-23 | A kind of SMA radio frequency (RF) coaxial connector of fast insert-pull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434797.9A CN110086053A (en) | 2019-05-23 | 2019-05-23 | A kind of SMA radio frequency (RF) coaxial connector of fast insert-pull |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110086053A true CN110086053A (en) | 2019-08-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910434797.9A Pending CN110086053A (en) | 2019-05-23 | 2019-05-23 | A kind of SMA radio frequency (RF) coaxial connector of fast insert-pull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110086053A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421243A (en) * | 2021-12-16 | 2022-04-29 | 北京无线电计量测试研究所 | Radio frequency coaxial connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108123336A (en) * | 2017-12-25 | 2018-06-05 | 上海航天科工电器研究院有限公司 | A kind of dismountable hair button radio frequency (RF) coaxial connector |
| CN207542432U (en) * | 2017-08-18 | 2018-06-26 | 陕西益华电气股份有限公司 | A kind of fast insert-pull SMA radio frequency (RF) coaxial connectors |
| CN208820106U (en) * | 2018-10-17 | 2019-05-03 | 德尔特微波电子(南京)有限公司 | Soldering-free type right angle cable connector structure |
| CN209730363U (en) * | 2019-05-23 | 2019-12-03 | 德尔特微波电子(南京)有限公司 | A kind of SMA radio frequency (RF) coaxial connector of fast insert-pull |
-
2019
- 2019-05-23 CN CN201910434797.9A patent/CN110086053A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207542432U (en) * | 2017-08-18 | 2018-06-26 | 陕西益华电气股份有限公司 | A kind of fast insert-pull SMA radio frequency (RF) coaxial connectors |
| CN108123336A (en) * | 2017-12-25 | 2018-06-05 | 上海航天科工电器研究院有限公司 | A kind of dismountable hair button radio frequency (RF) coaxial connector |
| CN208820106U (en) * | 2018-10-17 | 2019-05-03 | 德尔特微波电子(南京)有限公司 | Soldering-free type right angle cable connector structure |
| CN209730363U (en) * | 2019-05-23 | 2019-12-03 | 德尔特微波电子(南京)有限公司 | A kind of SMA radio frequency (RF) coaxial connector of fast insert-pull |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421243A (en) * | 2021-12-16 | 2022-04-29 | 北京无线电计量测试研究所 | Radio frequency coaxial connector |
| CN114421243B (en) * | 2021-12-16 | 2023-12-26 | 北京无线电计量测试研究所 | Radio frequency coaxial connector |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190802 |
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| RJ01 | Rejection of invention patent application after publication |