CN204118333U - The low intermodulation connector of SMA type - Google Patents
The low intermodulation connector of SMA type Download PDFInfo
- Publication number
- CN204118333U CN204118333U CN201420561556.3U CN201420561556U CN204118333U CN 204118333 U CN204118333 U CN 204118333U CN 201420561556 U CN201420561556 U CN 201420561556U CN 204118333 U CN204118333 U CN 204118333U
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- China
- Prior art keywords
- screening
- connector
- boss
- vent grooves
- assembling groove
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Abstract
The low intermodulation connector of SMA type, it comprises conductive pin, insulating case, screening can and swivel nut; This insulating case comprises body, body offers coaxial column assembling groove and plate-like vent grooves from left to right, and assembling groove runs through the left side of body, and assembling groove is connected with vent grooves, this vent grooves runs through the right side of body, and the diameter of vent grooves is larger than the diameter of assembling groove; Conductive pin comprises columniform needle body, and the right end of the needle body of conductive pin radially extends a positioning boss; Needle body is plugged in the assembling groove of this body, and this positioning boss is kept out in this vent grooves, and wherein, the diameter of positioning boss is less than the diameter of this vent grooves; Screening can is sheathed on outside this insulating case; Swivel nut is sheathed on outside screening can.The diameter of the positioning boss of the conductive pin of above-mentioned utility model is less than the diameter of the vent grooves of insulating case, is conducive to compensated with air, introduces air dielectric, optimizes the electrical property of connector.
Description
Technical field
The utility model relates to the low intermodulation connector of a kind of SMA type.
Background technology
SMA (abbreviation for Sub-Miniature-A) connector is a kind of small-sized radio frequency (RF) coaxial connector be threaded, and it has the advantages that bandwidth, performance are excellent, reliable and the life-span is long.SMA connector is applicable in the loop of rf of microwave equipment and digital communication system, for connecting radio frequency cable or microstrip line.
SMA connector generally comprises shell, insulating case and conductive pin, and insulating case is sheathed between this conductive pin and this housing.All be tightly connected between existing conductive pin and insulating case, dielectric is single, makes the electrical property of connector not good.
In addition, when cable fills in shell, the cable entries due to existing shell is straight-tube shape, a lot of attentiveness and time be spent just can to fill in shell by cable, need repeatedly to fill in, often scratch cable when operating unskilled.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of SMA type solved the problems of the technologies described above low intermodulation connector.
For achieving the above object, the utility model adopts following technical scheme:
The low intermodulation connector of a kind of SMA type, it comprises conductive pin, insulating case, screening can and swivel nut;
This insulating case comprises body, this body offers coaxial column assembling groove and plate-like vent grooves from left to right, assembling groove runs through the left side of this body, assembling groove is connected with vent grooves, this vent grooves runs through the right side of this body, and the diameter of this vent grooves is larger than the diameter of this assembling groove;
This conductive pin comprises columniform needle body, and the right end of the needle body of this conductive pin radially extends a positioning boss; This needle body is plugged in the assembling groove of this body, and this positioning boss is kept out in this vent grooves, and wherein, the diameter of this positioning boss is less than the diameter of this vent grooves; This screening can is sheathed on outside this insulating case; This swivel nut is sheathed on outside this screening can.
Preferably, the right-hand member of this screening can offers the cable assembling groove that runs through right side vertically, and the cell wall outer rim of this cable assembling groove is provided with circular arc chamfering.
Preferably, the right end of this screening can radially extends a wedge shape boss.
Preferably, the middle part of this needle body extends radially outward out an annulus boss, and the periphery of this annulus boss is provided with some strips along the circumferential direction spaced apart projection, and each strip projection extends vertically.
Preferably, the right-hand member of this needle body is offered a cable vertically and is installed groove, and this cable installs the right side that groove runs through this needle body, and the circle wall of this needle body radially offers a ventilative through hole, and this ventilative through hole is communicated with this cable and installs groove.
Preferably, this connector also comprises snap ring; This screening can radially extends left boss spaced apart and right boss; Form a ring-type detent between left boss and right boss, this snap ring is sheathed in ring-type detent; This snap ring is connected between this swivel nut and this screening can.
Preferably, this connector also comprises the waterproof grommet be sheathed on outside this screening can, and this waterproof grommet is positioned at the left side of this left boss.
The beneficial effects of the utility model are at least as follows:
The diameter of the positioning boss of the conductive pin of above-mentioned utility model is less than the diameter of the vent grooves of insulating case, is conducive to compensated with air, introduces air dielectric, optimizes the electrical property of connector.In addition, the cell wall outer rim of the cable assembling groove of this screening can is provided with circular arc chamfering, so, cable Fast Installation can be facilitated to enter in the cable assembling groove of this screening can, effectively shorten production installation time, cable can be avoided to be scratched damage by cell wall simultaneously, improve the yield of product, also effectively can improve the plumpness of scolding tin, avoid the problems such as rosin joint, optimize electrical property.
Accompanying drawing explanation
Fig. 1 is the part section structural representation of the better embodiment of the low intermodulation connector of the utility model SMA type.
Fig. 2 is the semi-section structural representation of the conductive pin of the low intermodulation connector of SMA type of Fig. 1.
Fig. 3 is the semi-section structural representation of the insulating case of the low intermodulation connector of SMA type of Fig. 1.
Fig. 4 is the semi-section structural representation of the screening can of the low intermodulation connector of SMA type of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
Refer to Fig. 1 to Fig. 4, the utility model relates to the low intermodulation connector of a kind of SMA type, and its better embodiment comprises conductive pin 10, insulating case 30, screening can 20 and swivel nut 40.
This conductive pin 10 comprises columniform needle body 11, the middle part of this needle body 11 extends radially outward out an annulus boss 12, the periphery of this annulus boss 12 is provided with some strips along the circumferential direction spaced apart projection, and each strip projection extends vertically.This insulating case 30 is sheathed on outside the needle body 11 of this conduction needle body 10, the strip projection of this annulus boss 12 can stop needle body 11 opposing insulation to overlap 30 rotations, thus avoid conductive pin 10 to be shifted, so, can ensure firmly to be connected between conductive pin 10 with insulating case 30, be conducive to the electrical property optimizing connector, such as, make the voltage standing wave ratio index of connector be improved to 1.3 (DC-11GHz) from 1.5 (DC-11GHz).
The right-hand member of this needle body 11 is offered a cable vertically and is installed groove 13, this cable installs the right side that groove 13 runs through this needle body 11, the circle wall of this needle body 11 radially offers a ventilative through hole 14, this ventilative through hole 14 is communicated with this cable and installs groove 13, effective plumpness improving cable heart yearn and contact pin scolding tin, avoid the problems such as rosin joint, be conducive to the electrical property optimizing connector.
In the present embodiment, this insulating case 30 comprises columniform body 31, this body 31 offers coaxial column assembling groove 32 and plate-like vent grooves 33 from left to right, assembling groove 32 runs through the left side of this body 31, assembling groove 32 is connected with vent grooves 33, this vent grooves 33 runs through the right side of this body 31, and the diameter of this vent grooves 33 is larger than the diameter of this assembling groove 32.
The right end of the needle body 11 of this conductive pin 10 radially extends a positioning boss 15.This needle body 11 is plugged in the assembling groove 32 of this body 31, and this positioning boss 15 is kept out in this vent grooves 33, wherein, the diameter of this positioning boss 15 is less than the diameter of this vent grooves 33, be conducive to compensated with air, introduce air dielectric, optimize the electrical property of connector.
This screening can 20 is sheathed on outside this insulating case 30, for shielding outside electromagnetic interference.This insulating case 30 is for isolating this screening can 20 by conductive pin 10.The right-hand member of this screening can 20 offers the cable assembling groove 26 that runs through right side vertically, the cell wall outer rim of this cable assembling groove 26 is provided with circular arc chamfering, so, cable Fast Installation can be facilitated to enter in the cable assembling groove 26 of this screening can 20, effectively shorten production installation time, cable can be avoided to be scratched damage by cell wall simultaneously, improve the yield of product, also effectively can improve the plumpness of scolding tin, avoid the problems such as rosin joint, optimize electrical property.
The right end of this screening can 20 radially extends a wedge shape boss 21, to form a buckle structure, facilitates double buckle to connect design.
This swivel nut 40 is sheathed on outside this screening can 20.
In the present embodiment, this connector also comprises snap ring 60.This screening can 20 radially extends left boss 24 spaced apart and right boss 23.Form a ring-type detent between left boss 24 and right boss 23, this snap ring 60 is sheathed in ring-type detent.This snap ring 60 is connected between this swivel nut 40 and this screening can 20, to make the connection between this swivel nut 40 and this screening can 20 more firm.
In the present embodiment, this connector also comprises the waterproof grommet 50 be sheathed on outside this screening can 20, and this waterproof grommet 50 is positioned at the left side of this left boss 24, and when this connector is connected with female connector, this waterproof grommet 50 can play waterproof action.
Above-mentioned screening can 20 and swivel nut 40 are respectively processed by composite integrated processing machine by the diamagnetic rod of high-performance, with make low intermodulation and high-precision effect better.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection range of the utility model claim.
Claims (7)
1. the low intermodulation connector of SMA type, is characterized in that: it comprises conductive pin, insulating case, screening can and swivel nut;
This insulating case comprises body, this body offers coaxial column assembling groove and plate-like vent grooves from left to right, assembling groove runs through the left side of this body, assembling groove is connected with vent grooves, this vent grooves runs through the right side of this body, and the diameter of this vent grooves is larger than the diameter of this assembling groove;
This conductive pin comprises columniform needle body, and the right end of the needle body of this conductive pin radially extends a positioning boss; This needle body is plugged in the assembling groove of this body, and this positioning boss is kept out in this vent grooves, and wherein, the diameter of this positioning boss is less than the diameter of this vent grooves; This screening can is sheathed on outside this insulating case; This swivel nut is sheathed on outside this screening can.
2. the low intermodulation connector of SMA type as claimed in claim 1, is characterized in that: the right-hand member of this screening can offers the cable assembling groove that runs through right side vertically, and the cell wall outer rim of this cable assembling groove is provided with circular arc chamfering.
3. the low intermodulation connector of SMA type as claimed in claim 1, is characterized in that: the right end of this screening can radially extends a wedge shape boss.
4. the low intermodulation connector of SMA type as claimed any one in claims 1 to 3, it is characterized in that: the middle part of this needle body extends radially outward out an annulus boss, the periphery of this annulus boss is provided with some strips along the circumferential direction spaced apart projection, and each strip projection extends vertically.
5. the low intermodulation connector of SMA type as claimed any one in claims 1 to 3, it is characterized in that: the right-hand member of this needle body is offered a cable vertically and installed groove, this cable installs the right side that groove runs through this needle body, the circle wall of this needle body radially offers a ventilative through hole, and this ventilative through hole is communicated with this cable and installs groove.
6. the low intermodulation connector of SMA type as claimed in claim 1, is characterized in that: this connector also comprises snap ring; This screening can radially extends left boss spaced apart and right boss; Form a ring-type detent between left boss and right boss, this snap ring is sheathed in ring-type detent; This snap ring is connected between this swivel nut and this screening can.
7. the low intermodulation connector of SMA type as claimed in claim 6, it is characterized in that: this connector also comprises the waterproof grommet be sheathed on outside this screening can, this waterproof grommet is positioned at the left side of this left boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561556.3U CN204118333U (en) | 2014-09-26 | 2014-09-26 | The low intermodulation connector of SMA type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561556.3U CN204118333U (en) | 2014-09-26 | 2014-09-26 | The low intermodulation connector of SMA type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118333U true CN204118333U (en) | 2015-01-21 |
Family
ID=52335614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420561556.3U Expired - Fee Related CN204118333U (en) | 2014-09-26 | 2014-09-26 | The low intermodulation connector of SMA type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2014
- 2014-09-26 CN CN201420561556.3U patent/CN204118333U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20200926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |