CN106684624A - Sma type radio frequency coaxial connector - Google Patents
Sma type radio frequency coaxial connector Download PDFInfo
- Publication number
- CN106684624A CN106684624A CN201510763301.4A CN201510763301A CN106684624A CN 106684624 A CN106684624 A CN 106684624A CN 201510763301 A CN201510763301 A CN 201510763301A CN 106684624 A CN106684624 A CN 106684624A
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- shell body
- radio frequency
- insulator
- accommodating cavity
- coaxial
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Abstract
The invention relates to an SMA type radio frequency coaxial connector used for being eclectically connected with a coaxial cable. The SMA type radio frequency coaxial connector is characterized by comprising an outer shell with an accommodating cavity in the front part, an insulator arranged in the accommodating cavity of the outer shell, and an inner conductor arranged in an inner hole of the insulator; a wiring hole connected with the accommodating cavity in a run-through manner is formed in the back part of the outer shell; an opening is formed in a matching surface on the front part of the accommodating cavity while clamping stop parts are arranged on the matching surface of the inner side wall; and the clamping stop parts are formed in a pit-forming manner after the insulator is loaded into the accommodating cavity of the outer shell from the front part. The SMA type radio frequency coaxial connector is simple in structure, low in cost, has excellent radio frequency index and can ensure structural reliability.
Description
Technical field
The present invention relates to connector technique field, more particularly to a kind of SMA types radio frequency (RF) coaxial connector.
Background technology
SMA type radio frequency (RF) coaxial connectors are the most widely used one kind of current apparatus measures or high-frequency interconnection field
Radio frequency (RF) coaxial connector, for being assembled into CA cable assembly with coaxial cable, its radio-frequency performance is superior, use frequency
Rate scope is wide, connection is reliable.But, current SMA type radio frequency (RF) coaxial connectors, as shown in figure 1, bag
Housing main body 01, shell urosome 02, insulator 03, center conductor 04 are included, the center conductor 04 is assembled
In the insulator 03, the insulator 03 is assembled in the housing main body 01, the shell urosome
02 is threaded connection mode is fixed together with the assembling of the housing main body 01, what this traditional approach made
SMA type radio frequency (RF) coaxial connectors need shell urosome 02 to be connected to one by screwed with housing main body 01
Rise, and be threaded with the possibility released because of running due to this, need to smear solid at screw thread during manufacture
Connect glue to strengthen fixing, assembling process is complicated and wastes time and energy, and production efficiency is low, high cost, in addition,
Because this structure has had more shell urosome 02, cost increase, and center conductor 04 can also also to mutually strain
It is long, cost increase is further made, furthermore due to the presence of shell urosome 02, occupying for rear portion will necessarily be increased
Space, is limited application scenario.
The content of the invention
Based on this, to solve the above problems, it is necessary to realize a kind of cost savings, assemble simple SMA types
Radio frequency (RF) coaxial connector.
The present invention provides a kind of SMA types radio frequency (RF) coaxial connector, to electrically connect with coaxial cable, is included in
Front portion possesses the shell body of accommodating cavity, the insulator in the accommodating cavity of shell body and located at insulator
The inner wire of endoporus, the rear portion of the shell body has the wiring hole with the accommodating cavity insertion, described accommodating
The fore mating surface opening in chamber, and its madial wall possesses fastener at mating surface, the fastener is in insulation
Son to be formed from after the anterior accommodating cavity for loading the shell body by getting ready.
Wherein in one embodiment, the generation type of getting ready of the fastener is in axial direction existed from front portion
Impact extrusion in the mating surface of the shell body forms the pit convexedly stretched in the accommodating cavity and forms.
Wherein in one embodiment, the fastener is recessed described in impact extrusion in the mating surface of the shell body
Synchronously impose during hole.
Wherein in one embodiment, the fastener is three, and in uniform way along the radial circumference of mating surface
Edge is arranged.
Wherein in one embodiment, the accommodating cavity has catching step, and the insulator is from anterior loading
With the catching step backstop after the accommodating cavity.
Wherein in one embodiment, the lateral border of the inner wire is provided with card and dashes forward, described to block described in prominent making
Inner wire is locking and is limited in the endoporus of the insulator.
Wherein in one embodiment, the card is prominent upper with multiple tooth bars.
Wherein in one embodiment, the endoporus of the insulator has a step limiting section, the inner wire from
With the step limiting section backstop after the endoporus of front portion loading insulator.
Wherein in one embodiment, the shell body has perpendicular to axial direction and through described at rear portion
The through hole of shell external surface, the through hole and the wiring hole vertically insertion.
A kind of manufacture method according to one SMA types radio frequency (RF) coaxial connector of any of the above, including it is as follows
Step：
(1) inner conductor component is assembled：Process coaxial cable, make the coaxial cable of predetermined length heart yearn,
Insulating barrier, screen layer expose, and the heart yearn for exposing of the coaxial cable is loaded in inner wire and soldering connection
Together, inner conductor component is formed；
(2) inner conductor component, insulator, shell body are fitted together：By the same of the inner conductor component
Shaft cable, through the endoporus of insulator, makes the inner conductor component be pre-installed on the insulator with being arranged from anterior
It is interior, then, they are pre-installed in the accommodating cavity of the shell body together with being arranged from front portion, make described same
Shaft cable through the shell body wiring hole, then after, by riveting tool from front portion by the insulator,
Simultaneously riveting, to the precalculated position of the accommodating cavity of the shell body, makes the shell body to the inner conductor component
Through hole is directed at the screen layer for exposing of the coaxial cable；
(3) shell body is got ready：Get ready at the mating surface of shell body, the madial wall for making shell body forms locking
Portion；
(4) shell body is electrically connected with the screen layer of coaxial cable：Added by the through hole perfusion of the shell body
Tin, makes shell body link together with the screen layer soldering.
The SMA type radio frequency (RF) coaxial connectors of the present invention, make shell body be designed to single type, eliminate traditional skill
Required shell urosome in art, the length of inner wire reduces more than half, greatlys save cost of parts,
Meanwhile, the manufacture method of the SMA type radio frequency (RF) coaxial connectors of the present invention is simply efficient, eliminates loaded down with trivial details spiral shell
Line connects station and glue fixes station, enormously simplify assembling flow path, and production efficiency is very high, and reduces
The production link of quality fault is likely to occur, cost and quality are all guaranteed, further, since simple structure,
The SMA type radio frequency (RF) coaxial connectors of the present invention are easily achieved designing impedance matching.
Description of the drawings
Fig. 1 is the sectional view of prior art construction；
Fig. 2 is the sectional view of the SMA type radio frequency (RF) coaxial connectors of one embodiment of the invention；
Fig. 3 is the partial enlarged drawing of structure at A in Fig. 2；
Fig. 4 is the schematic diagram from mating surface observation of the SMA type radio frequency (RF) coaxial connectors shown in Fig. 2；
Fig. 5 is the sectional view that the SMA types radio frequency (RF) coaxial connector shown in Fig. 2 is electrically connected with coaxial cable；
Fig. 6 is the structural representation of the inner wire of the SMA type radio frequency (RF) coaxial connectors of the invention shown in Fig. 2；
Fig. 7 is the partial enlarged drawing of structure at B in Fig. 6；
Specific embodiment
For the ease of understanding the present invention, coaxial connector is more fully retouched below with reference to relevant drawings
State.The first-selected embodiment of coaxial connector is given in accompanying drawing.But, coaxial connector can be with many not
With form realizing, however it is not limited to embodiment described herein.On the contrary, providing these embodiments
Purpose is to make the disclosure to coaxial connector more thorough comprehensive.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology for belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.Herein in the used in the description of coaxial connector
Term be intended merely to describe specific embodiment purpose, it is not intended that in limit the present invention.Made herein
Term " and/or " including the arbitrary and all of combination of one or more related Listed Items.
As shown in Figures 2 to 5, the SMA types RF coaxial connection of a preferred embodiment of the present invention is shown
Device, uses to electrically connect with coaxial cable C, and it includes shell body 10, insulator 20 and inner wire 30,
With further reference to shown in Fig. 2, the shell body 10 has accommodating cavity 11 anterior, and the accommodating cavity 11 is at this
The mating surface 12 that the SMA types radio frequency (RF) coaxial connector of invention is plugged together with other side's connector (not shown)
Place's opening, and with the insertion of wiring hole 13 at rear portion, the shell body 10 is additionally provided with through hole 15 at rear portion,
The through hole 15 is with the vertically insertion of the wiring hole 13 and through the shell external surface, the insulation
Son 20 is loaded in the accommodating cavity 11 of the shell body, and by accommodating cavity from the front group of the shell body 10
Catching step 14 stops positioning, and the madial wall of the accommodating cavity 11 of the shell body 10 is provided with locking at cooperation
Portion 111, the fastener 111 makes insulator 20 be locked in the shell body 10 from front portion, the inner wire
30 from the anterior endoporus 21 for loading insulator of insulator 20, and is stopped by the step limiting section 22 of the endoporus
Gear is spacing, and the lateral border of described inner wire 30 is provided with card prominent 31, the inner wire 30 on the card prominent 31
It is locking and be limited in the endoporus 21 of the insulator, and the card prominent 31 is provided with multiple tooth bars 311, uses
To prevent inner wire 30 from rotating in the endoporus 21 of insulator.
In the present invention, with reference to shown in Fig. 2, Fig. 3, Fig. 4, the fastener 111 is by matching somebody with somebody described
Formed by dot method at conjunction face 12, specifically, stating insulator 20 from the shell body 10
Stop after positioning in accommodating cavity 11 of the front group loaded on the shell body and by the catching step 14 of accommodating cavity,
By punching instrument, in axial direction by force impact extrusion goes out pit 112 in the mating surface 12 of the shell body 10
(with reference to shown in Fig. 3), from mechanical insight, the pit 112 will necessarily be projected in accommodating cavity 11,
And the redundance that impact extrusion is formed synchronously imposes the locking projected in accommodating cavity 11 when pit 112 is formed
Portion 111, in the anterior locking insulator 20, prevents insulator 20 calm so as to by the fastener 111
Put in chamber 11 and come off, in addition, to reach optimal stress equilibrium effect, to mitigate the damage to insulator 20
Wound, in the present embodiment, the fastener 111 is between three, and the radial circumference edge along mating surface 12 etc.
Be evenly arranged away from ground, so arrange another it is good outer be to be also possible to prevent insulator 20 in shell body 10
Rotate.
In addition, the manufacture method of described SMA type radio frequency (RF) coaxial connectors of the invention is simply efficient, failure
Link is few, specifically, shell body 10, insulator 20 and inner wire 30 is first processed, then by following
Technique groups are specific as follows into SMA type radio frequency (RF) coaxial connectors of the invention：
Inner conductor component is assembled first：Coaxial cable C is processed, the core of the coaxial cable C of predetermined length is made
Line C1, insulating barrier, screen layer C2 expose, and the heart yearn C1 for exposing of the coaxial cable is loaded into inner wire
Simultaneously soldering (tin material is not shown in figure) links together in 30, forms inner conductor component；
Then, inner conductor component, insulator 20, shell body 10 are fitted together：By the inner wire group
The coaxial cable C of part, through the endoporus 21 of insulator, makes the inner conductor component be pre-installed on being arranged from anterior
In the insulator 20, then, they are pre-installed on together the appearance of the shell body 10 with being arranged from front portion
Put in chamber 11, make the coaxial cable C through the wiring hole 13 of the shell body, then after, by riveting work
Have the insulator 20, the inner conductor component simultaneously accommodating cavity 11 of the riveting to the shell body from front portion
Precalculated position, the through hole 15 for making the shell body is directed at the screen layer C2 for exposing of the coaxial cable；
After again, carry out shell body 10 and get operation ready：Get ready at the mating surface 12 of shell body, make shell body
10 madial wall forms fastener 111；
Finally, shell body 10 is electrically connected with the screen layer C2 of coaxial cable：By the insertion of the shell body
Hole 15 plus tin (tin material is not shown in figure), make shell body 10 be connected to one with the screen layer C2 solderings
Rise, finally constitute the SMA types radio frequency (RF) coaxial connector of the present invention.
In addition, why the through hole 15 is disposed through the outer surface of shell body 10, it is in order to outside
The rear portion of housing 10 forms relative obverse and reverse two plus tin hole, and in arbitrarily one side tin can be added,
So as to more quickly add tin operation.
In sum, the shell body 10 of SMA type radio frequency (RF) coaxial connectors of the invention is overall one zero
Part, cost savings, simple structure, manufacturing processes are few and simply save time, by front portion by insulator
Get out the mode of fastener 111 after 20 loading shell bodies 10 ready at mating surface 12, both can obtain easily
Excellent RF index is obtained, reliability of structure is can guarantee that again, while form pit at mating surface 12 will not
Impact is used with plugging together for other side's connector, it is ensured that functional requirement.
Each technical characteristic of embodiment described above can be combined arbitrarily, not right to make description succinct
The all possible combination of each technical characteristic in above-described embodiment is all described, as long as however, these skills
There is no contradiction in the combination of art feature, be all considered to be the scope of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed,
But can not therefore be construed as limiting the scope of the patent.It should be pointed out that for this area
For those of ordinary skill, without departing from the inventive concept of the premise, some deformations can also be made and changed
Enter, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended power
Profit requires to be defined.
Claims (10)
1. a kind of SMA types radio frequency (RF) coaxial connector, to electrically connect with coaxial cable, it is characterised in that
It is included in the anterior shell body for possessing accommodating cavity, the insulator in the accommodating cavity of shell body and located at exhausted
The inner wire of the endoporus of edge, the rear portion of the shell body has the wiring hole with the accommodating cavity insertion, institute
The fore mating surface opening of accommodating cavity is stated, and its madial wall possesses fastener at mating surface, the fastener
To be formed by getting ready from after the anterior accommodating cavity for loading the shell body in insulator.
2. SMA types radio frequency (RF) coaxial connector according to claim 1, it is characterised in that the card
The generation type of getting ready of stop is that in axial direction impact extrusion forms convex in the mating surface of the shell body from front portion
The pit stretched in the accommodating cavity is formed.
3. SMA types radio frequency (RF) coaxial connector according to claim 2, it is characterised in that the card
Stop is synchronously imposed during pit described in impact extrusion in the mating surface of the shell body.
4. SMA types radio frequency (RF) coaxial connector according to claim 3, it is characterised in that the card
Stop is three, and in uniform way the radial circumference edge along mating surface is arranged.
5. SMA type radio frequency (RF) coaxial connectors according to Claims 1-4 any one, its feature
Be that the accommodating cavity has a catching step, the insulator from it is anterior load after the accommodating cavity with it is described
Catching step backstop.
6. SMA type radio frequency (RF) coaxial connectors according to Claims 1-4 any one, its feature
It is that the lateral border of the inner wire is provided with card and dashes forward, and the card is prominent to be made the inner wire locking and be limited in
In the endoporus of the insulator.
7. SMA types radio frequency (RF) coaxial connector according to claim 6, it is characterised in that the card
It is prominent upper with multiple tooth bars.
8. SMA type radio frequency (RF) coaxial connectors according to Claims 1-4 any one, its feature
It is that the endoporus of the insulator has step limiting section, and the inner wire loads in insulator from anterior
The Kong Houyu step limiting section backstops.
9. SMA type radio frequency (RF) coaxial connectors according to Claims 1-4 any one, its feature
It is that the shell body has perpendicular to axial direction and through the insertion of the shell external surface at rear portion
Hole, the through hole and the wiring hole vertically insertion.
10. a kind of manufacture of the SMA types radio frequency (RF) coaxial connector according to any one of claim 1 to 9
Method, it is characterised in that comprise the steps：
(1) inner conductor component is assembled：Process coaxial cable, make the coaxial cable of predetermined length heart yearn,
Insulating barrier, screen layer expose, and the heart yearn for exposing of the coaxial cable is loaded in inner wire and soldering connection
Together, inner conductor component is formed；
(2) inner conductor component, insulator, shell body are fitted together：By the same of the inner conductor component
Shaft cable, through the endoporus of insulator, makes the inner conductor component be pre-installed on the insulator with being arranged from anterior
It is interior, then, they are pre-installed in the accommodating cavity of the shell body together with being arranged from front portion, make described same
Shaft cable through the shell body wiring hole, then after, by riveting tool from front portion by the insulator,
Simultaneously riveting, to the precalculated position of the accommodating cavity of the shell body, makes the shell body to the inner conductor component
Through hole is directed at the screen layer for exposing of the coaxial cable；
(3) shell body is got ready：Get ready at the mating surface of shell body, the madial wall for making shell body forms locking
Portion；
(4) shell body is electrically connected with the screen layer of coaxial cable：Added by the through hole perfusion of the shell body
Tin, makes shell body link together with the screen layer soldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763301.4A CN106684624A (en) | 2015-11-11 | 2015-11-11 | Sma type radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763301.4A CN106684624A (en) | 2015-11-11 | 2015-11-11 | Sma type radio frequency coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106684624A true CN106684624A (en) | 2017-05-17 |
Family
ID=58865620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510763301.4A Pending CN106684624A (en) | 2015-11-11 | 2015-11-11 | Sma type radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106684624A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181142A (en) * | 2017-05-19 | 2017-09-19 | 陕西金信诺电子技术有限公司 | A kind of SMA types radio frequency (RF) coaxial connector |
| CN107681347A (en) * | 2017-10-18 | 2018-02-09 | 江苏永沃铜业有限公司 | A kind of installation structure of radio-frequency connector |
| CN107895877A (en) * | 2017-11-30 | 2018-04-10 | 昆山百澜电子有限公司 | A kind of assemble method of radio frequency (RF) coaxial connector and wire rod |
| CN109980468A (en) * | 2019-03-29 | 2019-07-05 | 北科电子科技（苏州）有限公司 | Integral type SMA connector |
| CN110011137A (en) * | 2017-12-14 | 2019-07-12 | 微-埃普西龙测量技术有限两合公司 | The plug-in connector of electricity |
| CN111370911A (en) * | 2020-03-20 | 2020-07-03 | 上海雷迪埃电子有限公司 | A kind of interface unit |
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| CN202373745U (en) * | 2011-11-14 | 2012-08-08 | 西安艾力特电子实业有限公司 | Novel connecting structure of radio frequency coaxial connector of thin cable |
| CN103107442A (en) * | 2011-11-14 | 2013-05-15 | 西安艾力特电子实业有限公司 | Novel assembling mechanism of radio-frequency coaxial connector |
| CN203225433U (en) * | 2013-03-13 | 2013-10-02 | 富士康(昆山)电脑接插件有限公司 | Radio-frequency coaxial connector assembly |
| CN203859358U (en) * | 2014-05-09 | 2014-10-01 | 陕西华达科技股份有限公司 | Radio-frequency coaxial electric connector with interface shifting and rotating prevention function |
| CN204230479U (en) * | 2014-09-29 | 2015-03-25 | 陈皆得 | There is the connector of stuck point structure |
| CN204361442U (en) * | 2014-12-23 | 2015-05-27 | 湖北日海通讯技术有限公司 | Radio frequency (RF) coaxial connector |
| CN104953414A (en) * | 2014-03-26 | 2015-09-30 | 颜菲 | Coaxial connector |
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| CN2384321Y (en) * | 1999-08-31 | 2000-06-21 | 技志企业有限公司 | Coaxial cable connector |
| CN201149918Y (en) * | 2007-12-14 | 2008-11-12 | 东莞中探探针有限公司 | Spring type contact probe |
| CN201402864Y (en) * | 2009-04-24 | 2010-02-10 | 中山杰士美电子有限公司 | Full screened IEC joint |
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| CN102386523A (en) * | 2011-08-25 | 2012-03-21 | 合肥佰特微波技术有限公司 | 7/16 type radio frequency coaxial connector with airtight structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181142A (en) * | 2017-05-19 | 2017-09-19 | 陕西金信诺电子技术有限公司 | A kind of SMA types radio frequency (RF) coaxial connector |
| CN107681347A (en) * | 2017-10-18 | 2018-02-09 | 江苏永沃铜业有限公司 | A kind of installation structure of radio-frequency connector |
| CN107895877A (en) * | 2017-11-30 | 2018-04-10 | 昆山百澜电子有限公司 | A kind of assemble method of radio frequency (RF) coaxial connector and wire rod |
| CN110011137A (en) * | 2017-12-14 | 2019-07-12 | 微-埃普西龙测量技术有限两合公司 | The plug-in connector of electricity |
| CN110011137B (en) * | 2017-12-14 | 2021-11-09 | 微-埃普西龙测量技术有限两合公司 | Electrical plug-in connector |
| CN109980468A (en) * | 2019-03-29 | 2019-07-05 | 北科电子科技（苏州）有限公司 | Integral type SMA connector |
| CN111370911A (en) * | 2020-03-20 | 2020-07-03 | 上海雷迪埃电子有限公司 | A kind of interface unit |
| CN111370911B (en) * | 2020-03-20 | 2021-06-18 | 上海雷迪埃电子有限公司 | A kind of interface unit |
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