CN207265298U - A kind of male head structure of SMA connectors - Google Patents
A kind of male head structure of SMA connectors Download PDFInfo
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- CN207265298U CN207265298U CN201721318476.5U CN201721318476U CN207265298U CN 207265298 U CN207265298 U CN 207265298U CN 201721318476 U CN201721318476 U CN 201721318476U CN 207265298 U CN207265298 U CN 207265298U
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- male connector
- main body
- shell
- insulator
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Abstract
It the utility model is related to a kind of male head structure of SMA connectors,Including nut,Lock packing ring,Shell,Spring,Male connector main body,Insulator,Guide pin and contact flat spring,Shell outer circumferential side is equipped with external screw thread,The internal thread of nut is threadedly coupled external screw thread,Lock packing ring is sleeved on shell outer circumferential side and is located at rear nut,Lock packing ring stop nut,Spring pocket is mounted in outer circumferential side in the middle part of male connector main body,Male connector main body is installed on shell inner cavity,It is sleeved in guide pin at insulator center,Contact flat spring is sleeved on insulator head,Insulator is installed on male connector body lumen,Male connector body front end opening is horn opening,Contact flat spring head,Guide pin head is stretched into horn opening forward,Assembling is more convenient,Realizing can elasticity installation male connector,And increase radial offset,Male connector body front end opening is horn opening,Blindmate can be achieved,Save built-up time,Connection is more firm,Stable signal transmission,Meet use demand.
Description
Technical field
It the utility model is related to SMA connectors, and in particular to a kind of male head structure of SMA connectors.
Background technology
SMA connectors are suitable for application of the frequency range direct current to the microwave regime of 26.5GHz, and application range such as telecommunications is led to
News, network, wireless telecommunications and detection and measuring instrument, it has the characteristics that, and bandwidth, performance be excellent, highly reliable, long lifespan, existing
By SMA connectors be mainly made of male connector and female, male connector, female are separately mounted on two end plates during use, user
Male and female head is integrally connected by the nut in turn-knob male connector, so that two end plates are integrally connected, the SMA of this structure connects
Connect device and find following shortcoming when in use：When during rotating nuts, because male connector shell can be with nut rotation, so necessarily solid
Shell is set, otherwise idle running phenomenon can be produced；Second, the connection between male and female head is rigid connection, lack certain buffering
Mechanism, is easily damaged when causing to be pressurized and allows the maximum radial offset after installation too small, third, installation accuracy requirement is non-
Chang Gao, it is impossible to realize blindmate, allow the maximum axial offset after installation too small between male and female head.
Utility model content
In view of the problems of the existing technology, the utility model provide one kind can fast inserted, stabilized structure, allow footpath
It is as follows to the male head structure for the SMA connectors that offset is big, permission axial offset is big, concrete technical scheme：
A kind of male head structure of SMA connectors, including nut, lock packing ring, shell, spring, male connector main body, insulator, lead
Pin and contact flat spring, shell outer circumferential side are equipped with external screw thread, and the internal thread of nut is threadedly coupled external screw thread, and lock packing ring is sleeved on shell
Outer circumferential side is simultaneously located at rear nut, locks packing ring stop nut, spring pocket is mounted in outer circumferential side in the middle part of male connector main body, the installation of male connector main body
Chamber inside the shell, spring one end are in contact with outer casing inner wall；The other end is in contact with male connector main body wall, is sleeved in guide pin absolutely
At edge body center, contact flat spring is sleeved on insulator head, and insulator is installed on male connector body lumen, male connector body front end opening
For horn opening, contact flat spring head, guide pin head are stretched into horn opening forward.
As a kind of preferred solution of the utility model, the male connector main body rear outer circumferential side is set with the lantern ring, and the lantern ring is circle
Platform shape, the lantern ring are installed at shell rearward openings, and lantern ring rear installation sleeve, male connector body rear extends rearward into barrel bore.
As a kind of preferred solution of the utility model, the contact flat spring is equipped with the triangle bullet with radian, triangle
Shape bullet is arranged around contact flat spring central shaft equal circumference, is spaced between adjacent triangle bullet using groove.
As a kind of preferred solution of the utility model, the lock packing ring includes circle body and closing piece, and closing piece has multiple surround
Circle body central shaft equal circumference arranges, and closing piece spiral inclination, the direction of rotation of closing piece and external screw thread are oppositely oriented.
The beneficial effects of the utility model：Lock packing ring is sleeved on shell outer circumferential side stop nut, when ensureing rotating nuts, outside
Shell will not produce idle running, and assembling is more convenient, and spring makes have certain elasticity between male connector main body and shell, contact flat spring set
Mounted in insulator head, realizing elastic can install male connector, and increase radial offset, in addition, male connector body front end opening is
Horn opening saves built-up time, connection is more firm, and stable signal transmission, meets use demand, it can be achieved that blindmate.
Brief description of the drawings
Fig. 1 is the stereogram of the utility model；
Fig. 2 is the side view of the utility model；
Fig. 3 is the sectional view in A-A directions in Fig. 2；
Fig. 4 is the exploded view of the utility model；
Fig. 5 is the stereogram of the lock packing ring of the utility model；
Fig. 6 is schematic diagram of the utility model in blindmate；
Fig. 7 is the schematic diagram of the utility model after assembling.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described further：
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified position or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded
Concrete meaning of the term in the utility model.
As shown in figures 1-4, a kind of male head structure of SMA connectors, including nut 1, lock packing ring 2, shell 3, spring 4, public affairs
Head main body 5, insulator 6, guide pin 7 and contact flat spring 8,3 outer circumferential side of shell are equipped with external screw thread, and the internal thread of nut 1 is threadedly coupled
External screw thread, lock packing ring 2 are sleeved on 3 outer circumferential side of shell and are located at 1 rear of nut, and lock 2 stop nut 1 of packing ring prevents rotation from making shifting
Position, spring 4 are sleeved on 5 middle part outer circumferential side of male connector main body, and male connector main body 5 is installed on 3 inner cavity of shell, in 4 one end of spring and shell 3
Wall is in contact；The other end is in contact with 5 side wall of male connector main body, and spring 4 is acted on snubber elastomeric, and insulation is sleeved in guide pin 7
At 6 center of body, contact flat spring 8 is sleeved on 6 head of insulator, and insulator 6 is installed on 5 inner cavity of male connector main body, 5 front end of male connector main body
It is open and is stretched into for horn opening, 8 head of contact flat spring, 7 head of guide pin in horn opening forward, horn opening is easy to mother
Head insertion.
Specifically, the 5 rear outer circumferential side suit lantern ring 9 of male connector main body, the lantern ring 9 is truncated cone-shaped, after the lantern ring 9 is installed on shell 3
Square opening, 9 rear installation sleeve 10 of the lantern ring, 5 rear end of male connector main body extend rearward into 10 inner cavity of sleeve, and the lantern ring 9 can fill male connector
Gap between main body 5, shell 3, is fixedly mounted on 3 inner cavity of shell, conducting wire can be worn successively from rear what male connector main body 5 consolidated
Cross sleeve 10, male connector main body 5, insulator 6 and connect guide pin 7.
As shown in Figures 3 and 4, contact flat spring 8 is equipped with the triangle bullet 8a with radian, and triangle bullet 8a is around contact bullet
8 central shaft equal circumference of piece arranges, and is spaced between adjacent triangle bullet 8a using groove 8b, groove 8b can increase contact flat spring
8 contraction resilience performance, triangle bullet 8a can consolidate the inner wall of clamping female, ensure the stability of inserting, in addition, such as Fig. 5
Shown, lock packing ring 2 includes circle body 21 and closing piece 22, and closing piece 22 has multiple around the arrangement of 21 central shaft equal circumference of circle body, closing piece 22
Spiral inclination, the direction of rotation of closing piece 22 and external screw thread are oppositely oriented, and what can be consolidated is fixed on shell 3 not off normal.
The utility model has the advantage of as shown in Figure 6 and Figure 7,5 front opening of male connector main body is horn opening, is increased
Maximum radial offset during big blindmate, the maximum radial offset of blindmate is 1.19MM, facilitates client's assembly and connection device, its
Secondary, because of the structure design of spring and contact flat spring, the radial offset after connector assembling is maximum 0.3MM, can meet client
High demand is required to product vibration environment, finally, male connector axial floating for 1.43MM can contain clamping plate Board position and thickness compared with
Big difference, expands use scope.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations, for the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (4)
1. a kind of male head structure of SMA connectors, including nut, lock packing ring and shell, shell outer circumferential side are equipped with external screw thread, nut
Internal thread be threadedly coupled external screw thread, lock packing ring be sleeved on shell outer circumferential side and be located at rear nut, lock packing ring stop nut, its
It is characterized in that：Spring, male connector main body, insulator, guide pin and contact flat spring are further included, spring pocket is mounted in periphery in the middle part of male connector main body
Side, male connector main body are installed on shell inner cavity, and spring one end is in contact with outer casing inner wall；The other end connects with male connector main body wall
Touch, be sleeved in guide pin at insulator center, contact flat spring is sleeved on insulator head, and insulator is installed in male connector main body
Chamber, male connector body front end opening are horn opening, and contact flat spring head, guide pin head are stretched into horn opening forward.
A kind of 2. male head structure of SMA connectors according to claim 1, it is characterised in that：The male connector main body rear
Outer circumferential side is set with the lantern ring, and the lantern ring is truncated cone-shaped, and the lantern ring is installed at shell rearward openings, lantern ring rear installation sleeve, male connector master
Body rear end extends rearward into barrel bore.
A kind of 3. male head structure of SMA connectors according to claim 1, it is characterised in that：The contact flat spring is equipped with
Triangle bullet with radian, triangle bullet are arranged around contact flat spring central shaft equal circumference, between adjacent triangle bullet
It is spaced using groove.
A kind of 4. male head structure of SMA connectors according to claim 1, it is characterised in that：The lock packing ring includes circle
Body and closing piece, closing piece have multiple around the arrangement of circle body central shaft equal circumference, closing piece spiral inclination, the direction of rotation of closing piece and outer spiral shell
Line is oppositely oriented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721318476.5U CN207265298U (en) | 2017-10-13 | 2017-10-13 | A kind of male head structure of SMA connectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721318476.5U CN207265298U (en) | 2017-10-13 | 2017-10-13 | A kind of male head structure of SMA connectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265298U true CN207265298U (en) | 2018-04-20 |
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ID=61917267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721318476.5U Active CN207265298U (en) | 2017-10-13 | 2017-10-13 | A kind of male head structure of SMA connectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207265298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838336A (en) * | 2020-12-31 | 2021-05-25 | 驭势科技（北京）有限公司 | Radio frequency revolution joint, radio frequency switching system and vehicle |
-
2017
- 2017-10-13 CN CN201721318476.5U patent/CN207265298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838336A (en) * | 2020-12-31 | 2021-05-25 | 驭势科技（北京）有限公司 | Radio frequency revolution joint, radio frequency switching system and vehicle |
| CN112838336B (en) * | 2020-12-31 | 2022-04-29 | 驭势科技（北京）有限公司 | Radio frequency revolution joint, radio frequency switching system and vehicle |
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