CN209029642U - A kind of SMA turns N-type radio frequency adapter - Google Patents
A kind of SMA turns N-type radio frequency adapter Download PDFInfo
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- CN209029642U CN209029642U CN201821740697.6U CN201821740697U CN209029642U CN 209029642 U CN209029642 U CN 209029642U CN 201821740697 U CN201821740697 U CN 201821740697U CN 209029642 U CN209029642 U CN 209029642U
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- insulator
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- housing component
- step surface
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Abstract
The utility model discloses a kind of SMA to turn N-type radio frequency adapter, it does not need to fix using encapsulating mode, the problem of can be avoided jack part and insulator generation axial dipole field, and it ensure that the consistency of total, the technical solution of use are as follows: including housing component, insulator and jack part, the housing component is N-type port along axial one end, it is SMA type port along the axial other end, the housing component has the cavity axially extended, and the cavity of the housing component runs through the N-type port, the insulator is axially fixed in the cavity for being plugged in the housing component, the insulator has the through-hole axially through the insulator, the jack part is axially fixed in the through-hole for being plugged in the insulator, and one end of the insulator and the jack part is connected to the SMA type port.
Description
Technical field
The utility model relates to rf adapters, and in particular to a kind of SMA turns N-type radio frequency adapter.
Background technique
Rf adapter has extensive purposes, radio frequency (RF) coaxial connector switching in radio-electronic equipment and the loop of rf
Device generally falls into 0,1,2 grade.0 grade is known as metering grade, and standard component is made suitable for measurement criteria, has fabulous repeatability, pole
Small voltage standing wave ratio.Such as Network Analyzer standard adapter.1 grade be known as test level, be mainly used for unit test etc., have compared with
Small voltage standing wave ratio.2 grades are known as Product-level, are widely used in electronic equipment and various microwave components.It can be seen that difference etc.
Grade connector or adapter have different technical indicators.
As illustrated in figs. 1A and ib, this structure includes three parts: insulator 2, jack to the rf adapter of the relevant technologies
Part 3 and housing component 1, three are formed by the fixation of encapsulating mode, and structure is simple, and number of parts is few, low processing cost, are suitble to criticize
Amount production.
But this structural disadvantages is as follows:
1. process for filling colloid is more complex cumbersome, to divide four processes: the glue filling openings 4 of three parts of alignment, rubber gun encapsulating, clear
Surplus glue and hot setting on shell are managed, more demanding to employee's operation, if encapsulating is not full, solidification is undesirable, easily
Cause jack part or insulator that axial dipole field occurs.
2. for encapsulating, when three parts processing, requires to beat glue filling opening 4, the artificial destruction consistency of part, according to
Transmission line theory, the impedance at encapsulating change, and cause frequency of use to reduce, so this structure frequency of use can only arrive
3GHz, and because at encapsulating, it may occur that signals leakiness, loss become larger.
Utility model content
In order to solve the problems in the prior art, the utility model provides a kind of SMA and turns N-type radio frequency adapter, is not required to
The problem of being fixed using encapsulating mode, can be avoided jack part and insulator generation axial dipole field, and ensure that whole knot
The consistency of structure.
In order to achieve the goal above, the technology employed by the present utility model is including housing component, insulator and jack
Part, the housing component are N-type port along axial one end, are SMA type port along the axial other end, and the housing component has edge
Axially extending cavity, and the cavity of the housing component runs through the N-type port, the insulator, which is axially fixed, is plugged in institute
It states in the cavity of housing component, the insulator has the through-hole axially through the insulator, and the jack part is along axial solid
Surely it is plugged in the through-hole of the insulator, and one end of the insulator and the jack part is connected to the SMA type end
Mouthful.
Further, the insulator and the jack part all have along axial first end and second end, and described the
The diameter of one end is less than the second end, and the first end of the insulator and the jack part is connected to MA type port,
The second end of the insulator and the jack part is respectively positioned in the cavity of the housing component, and the second end of the jack part is prolonged
Stretch out the through-hole of the insulator.
Further, the jack part be equipped with the first jack part step surface, the first jack part step surface with it is described
The second end of insulator abuts.
Further, the second end of the insulator be equipped with the first high resistant complementary area, the first jack part step surface with
The first high resistant complementary area abuts.
Further, it is equipped with casing step face in the cavity of the housing component, the outer circumference face of the insulator is equipped with
First insulator step surface, the first insulator step surface are abutted with the casing step face.
Further, the insulator is equipped with the second high resistant complementary area, and the second high resistant complementary area is located at described first
Insulator step surface, and the second high resistant complementary area is abutted with the casing step face.
Further, the inner wall of the cavity of the housing component be equipped with shell hangnail, the lateral wall of the insulator with it is described
The clamping of shell hangnail.
Further, jack part hangnail is provided on the jack part, the jack part hangnail is logical with the insulator
The clamping of hole inner wall.
Further, be provided with third high resistant complementary area on the jack part, the third high resistant complementary area and it is described absolutely
The through-hole wall of edge contacts.
Further, the second insulator step surface is equipped in the through-hole of the insulator, the jack part is equipped with second
Jack part step surface, the second jack part step surface are connected to the second insulator step surface.
Compared with prior art, the housing component of the utility model has the cavity axially extended, and the cavity of housing component
Through N-type port, insulator is axially fixed in the cavity for being plugged in housing component from N-type port, by jack part from N-type end
Opening's edge axial restraint is plugged in the through-hole of insulator, and one end of insulator and jack part is connected to SMA type port, thus real
The fixation by insulator and jack part is showed, has not needed to fix using encapsulating mode, without in housing component, insulator and jack part
On individually open up glue filling opening, ensure that the consistency of total, at the same housing component, insulator and jack part three along axial direction into
Row secure fit can be avoided the problem of axial dipole field occurs for jack part and insulator, ensure that SMA turns N-type radio frequency switching
The product requirement of device, and structure is simple, is easily assembled.
Further, step surface is set accordingly on housing component, insulator and jack part, is worked in coordination using step surface
It abuts, realizes that the positioning of housing component, insulator and jack part is fixed, fix three more firm, further ensure whole
The consistency of a structure.
Further, barb structure is set on housing component and jack part, makes housing component, insulator using barb structure and inserts
Orifice three is clamped, and can make the more firm of three's fixation, can effectively avoid the axial direction of insulator and jack part partially
It moves, more ensure that the consistency of total.
Further, high resistant complementary area is set on insulator and jack part, every section of impedance for the utility model becomes
It when change, is compensated using high resistant, improves the frequency of use that SMA turns N-type radio frequency adapter；By test result it can be found that reality
Frequency of use can reach 6GHz, meet customer requirement.
Detailed description of the invention
Fig. 1 a is the main view semi-cutaway of the relevant technologies rf adapter；
Fig. 1 b is the side view of the relevant technologies rf adapter；
Wherein, 1 it is housing component, 12 be N-type port, 13 be SMA type port, 2 be insulator, 3 be jack part, 4 is encapsulating
Hole；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 a is the main view semi-cutaway of housing component；
Fig. 3 b is the side view of housing component；
Fig. 4 is the structural schematic diagram of insulator；
Fig. 5 is jack part structural schematic diagram；
Wherein, 11 be shell hangnail, 14 be casing step face, 21 be the first high resistant complementary area, 22 be the second high resistant compensation
Face, 23 be the first insulator step surface, 24 be the second insulator step surface, 31 be jack part hangnail, 32 be third high resistant compensation
Face, 33 be the first jack part step surface, 34 be the second jack part step surface.
Specific embodiment
Explanation is further explained to the utility model with specific embodiment with reference to the accompanying drawings of the specification, it is clear that
Described embodiment is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, originally
Field those of ordinary skill every other embodiment obtained without making creative work, belongs to the application
The range of protection.
Fig. 2 is the structural schematic diagram of the utility model, and Fig. 3 a and Fig. 3 b are the semi-cutaway and side view of housing component, and Fig. 4 is
The structural schematic diagram of insulator, Fig. 5 is jack part structural schematic diagram, and referring specifically to Fig. 2-Fig. 5, the utility model includes housing component
1, insulator 2 and jack part 3, housing component 1 are N-type port 12 along axial one end, are SMA type port along the axial other end
13, and the diameter of SMA type port 13 is less than N-type port 12, housing component 1 has the cavity axially extended, and the sky of housing component 1
Chamber runs through N-type port 12, and insulator 2 is axially fixed in the cavity for being plugged in housing component 1, insulator 2 have axially through
The through-hole of insulator 2, jack part 3 are axially fixed in the through-hole for being plugged in insulator 2, and one end of insulator 2 and jack part 3
It is connected to SMA type port 13.
Specifically, insulator 2 and jack part 3 all have along axial first end and second end, and the diameter of first end is small
In second end, the first end of insulator 2 and jack part 3 is connected to MA type port 13, the second end of insulator 2 and jack part 3
It is respectively positioned in the cavity of housing component 1, and the second end of jack part 3 extends the through-hole of insulator 2.
Specifically, casing step face 14 is equipped in the cavity of housing component 1, the outer circumference face of insulator 2 is equipped with first absolutely
Edge step surface 23, the first insulator step surface 23 are abutted with casing step face 14.Jack part 3 is equipped with the first jack part step
Face 33, the first jack part step surface 33 are abutted with the second end of insulator 2.The second insulator platform is equipped in the through-hole of insulator 2
Terrace 24, jack part 3 are equipped with the second jack part step surface 34, and the second jack part step surface 34 is connected to the second insulator step
Face 24, the first jack part step surface 33 and the axially spaced setting of the second jack part step surface 34, and the first jack part step surface
33 are arranged close to the second end of jack part 3, and the utility model is worked in coordination abuttings using step surface, realization housing component, insulator
Positioning with jack part is fixed, and is fixed three more firm, is further ensured the consistency of total.Preferably,
Casing step face 14, the first insulator step surface 23, the second insulator step surface 24, the first jack part step surface 33, second are inserted
Orifice step surface 34 can circumferentially surround setting, guarantee sufficiently to abut, it is more accurate to position, and fixation is more firm, and is easy to
Processing.
Specifically, the second end of insulator 2 is equipped with the first high resistant complementary area 21, the first jack part step surface 33 and first high
Complementary area 21 is hindered to abut.Insulator 2 is additionally provided with the second high resistant complementary area 22, and the second high resistant complementary area 22 is located at the first insulator platform
Terrace 23, and the second high resistant complementary area 22 is abutted with casing step face 14.Third high resistant complementary area 32 is provided on jack part 3,
Third high resistant complementary area 32 is contacted with the through-hole wall of insulator 2.Preferably, third high resistant complementary area 32 is located at the first jack part
Between step surface 33 and the second jack part step surface 34.It is further preferred that the first high resistant complementary area 21, the second high resistant complementary area
22 and third high resistant complementary area 32 be equipped with high resistant compensating part, which can be used the high resistant compensation devices such as ring.Every section
It when impedance changes, is compensated using high resistant, improves the frequency of use that SMA turns N type rf adapter, guarantee the reality of product
Border frequency of use can reach 6GHz, meet customer requirement.
Specifically, the inner wall of the cavity of housing component 1 is equipped with shell hangnail 11, the lateral wall and shell hangnail 11 of insulator 2
Clamping.Jack part hangnail 31, the through-hole wall clamping of jack part hangnail 31 and insulator 2 are provided on jack part 3, jack part falls
Thorn 31 is set at the second jack part step surface 34.Preferably, shell hangnail 11 and jack part hangnail 31 can be set as along axial rings
Around protrusion, may be arranged as zigzag, and interference fit type assembly can be used in the hangnail.Make shell using barb structure
Part, insulator and jack part three are clamped, and three can be made to fix more firm, can effectively avoid insulator and insert
The axial dipole field of orifice more ensure that the consistency of total.
When the utility model assembles, the first end of insulator 2 is protruded into cavity from the N-type port 12 of housing component 1 first, and
By in the indentation cavity of insulator 2, until the first end of insulator 2 is connected to SMA type port 13, and the first insulator step surface
23 and second high resistant complementary area 22 be connected to and casing step face 14, the assembly of insulator 2 is completed；Then by the first of jack part 3
The through-hole of insulator 2 is protruded at end from N-type port 12, and jack part 3 is pressed into through-hole, until the first end of jack part 3 is connected to
SMA type port 13, the first jack part step surface 33 are connected to the first high resistant complementary area 21, and the second jack part step surface 34 is connected to
Second insulator step surface 24 completes the assembly of the utility model.
The utility model only needs for insulator 2 and jack part 3 to be pressed into housing component 1, and assembly is simple, makes built-up time
Cost substantially reduces, plug and play, convenient and efficient；When every section of impedance changes, frequency of use is improved using high resistant compensation,
By test result it can be found that actual use frequency can reach 6GHz, meet customer requirement；Barb structure can be effectively prevent
The axial dipole field of insulator sum, ensure that the consistency of product, and the utility model has assembly is simple, quick, consistency is good etc.
Advantage, in the case where guaranteeing the not increased situation of cost, moreover it is possible to guarantee that frequency of use meets customer requirement, this structure is killed two birds with one stone, and is reached
It requires to as defined in 1 grade of product, can in industry be widely used completely.
Claims (10)
1. a kind of SMA turns N-type radio frequency adapter, which is characterized in that including housing component (1), insulator (2) and jack part (3), institute
It is N-type port (12) that housing component (1), which is stated, along axial one end, is SMA type port (13), the housing component along the axial other end
(1) there is the cavity axially extended, and the cavity of the housing component (1) runs through the N-type port (12), the insulator
(2) it is axially fixed in the cavity for being plugged in the housing component (1), the insulator (2) has axially through the insulation
The through-hole of sub (2), the jack part (3) is axially fixed in the through-hole for being plugged in the insulator (2), and the insulator
(2) and one end of the jack part (3) is connected to SMA type port (13).
2. a kind of SMA according to claim 1 turns N-type radio frequency adapter, which is characterized in that the insulator (2) and institute
It states jack part (3) to all have along axial first end and second end, and the diameter of the first end is less than the second end, it is described
The first end of insulator (2) and the jack part (3) is connected to MA type port (13), the insulator (2) and described
The second end of jack part (3) is respectively positioned in the cavity of the housing component (1), and the second end of the jack part (3) extends institute
State the through-hole of insulator (2).
3. a kind of SMA according to claim 2 turns N-type radio frequency adapter, which is characterized in that set on the jack part (3)
There is the first jack part step surface (33), the first jack part step surface (33) abuts with the second end of the insulator (2).
4. a kind of SMA according to claim 3 turns N-type radio frequency adapter, which is characterized in that the of the insulator (2)
Two ends are equipped with the first high resistant complementary area (21), and the first jack part step surface (33) is supported with the first high resistant complementary area (21)
It connects.
5. a kind of SMA according to claim 2 turns N-type radio frequency adapter, which is characterized in that the sky of the housing component (1)
Intracavitary to be equipped with casing step face (14), the outer circumference face of the insulator (2) is equipped with the first insulator step surface (23), described
First insulator step surface (23) is abutted with the casing step face (14).
6. a kind of SMA according to claim 5 turns N-type radio frequency adapter, which is characterized in that the insulator (2) is equipped with
Second high resistant complementary area (22), the second high resistant complementary area (22) are located at the first insulator step surface (23), and described
Second high resistant complementary area (22) is abutted with the casing step face (14).
7. a kind of SMA according to claim 1 to 6 turns N-type radio frequency adapter, which is characterized in that the shell
The inner wall of the cavity of part (1) is equipped with shell hangnail (11), and the lateral wall of the insulator (2) and the shell hangnail (11) are blocked
It connects.
8. a kind of SMA according to claim 1 to 6 turns N-type radio frequency adapter, which is characterized in that the jack
It is provided on part (3) jack part hangnail (31), the through-hole wall of the jack part hangnail (31) and the insulator (2) is clamped.
9. a kind of SMA according to claim 1 to 6 turns N-type radio frequency adapter, which is characterized in that the jack
Third high resistant complementary area (32) is provided on part (3), in the through-hole of the third high resistant complementary area (32) and the insulator (2)
Wall contact.
10. a kind of SMA according to claim 1 to 6 turns N-type radio frequency adapter, which is characterized in that described exhausted
The second insulator step surface (24) is equipped in the through-hole of edge (2), the jack part (3) is equipped with the second jack part step surface
(34), the second jack part step surface (34) is connected to the second insulator step surface (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740697.6U CN209029642U (en) | 2018-10-25 | 2018-10-25 | A kind of SMA turns N-type radio frequency adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740697.6U CN209029642U (en) | 2018-10-25 | 2018-10-25 | A kind of SMA turns N-type radio frequency adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209029642U true CN209029642U (en) | 2019-06-25 |
Family
ID=66907974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821740697.6U Active CN209029642U (en) | 2018-10-25 | 2018-10-25 | A kind of SMA turns N-type radio frequency adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209029642U (en) |
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2018
- 2018-10-25 CN CN201821740697.6U patent/CN209029642U/en active Active
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