A kind of split type RF coaxial adapters
Technical field
The present invention relates to a kind of RF coaxial adapters, and in particular to a kind of split type RF coaxial adapters.
Background technology
RF coaxial adapters in the prior art, inner wire are usually structure as a whole, although easy to process, electrical resistance
It can Shortcomings;The material selection of outer conductor is also required to perfect, and the higher material of selection intensity is generally difficult to realize that low dielectric is normal
Number, selects the material of low-k to be then difficult to demonstrate,prove the connection reliability of radio-frequency cable adapter, reliable for taking into account connection
Property and the outer conductor material of electric property then the cost of radio-frequency cable adapter can be caused higher, cost performance is difficult to meet market and need
It asks.In addition, there is also deficiencies for the connection reliability and concentricity of existing radio-frequency cable adapter, lead to radio-frequency cable adapter
It cannot be satisfied actual operation requirements.
Invention content
The present invention proposes a kind of split type RF coaxial adapters regarding to the issue above, and good electric property improves life
Efficiency is produced, impedance reaches 75 Ω.
Specific technical solution is as follows:
A kind of split type RF coaxial adapters, including shell, contact head, swivel nut and inner wire;
It is equipped with first passage in shell, a circle first boss is equipped in the middle part of first passage, the rear and front end of first passage covers respectively
If a contact head, set between contact head and first boss there are one insulator, two swivel nuts are respectively sleeved at the front and back of shell
Both ends are equipped with snap ring between swivel nut and shell;
Inner wire is fixed in two insulators;
Inner wire includes contact pin and bindiny mechanism, and contact pin bottom sets that there are one the first inserting grooves, and the quantity of contact pin is two, two
The bottom of contact pin is oppositely arranged, and contact pin is equipped with a circle second boss, the distance between bottom and contact pin bottom of second boss
Depth for L1, the first inserting groove is L2, L1 < L2;
Bindiny mechanism includes rest pad, grafting block and Hough washer, be fixed on rest pad two of two grafting blocks respectively symmetrically
Side, rest pad are arranged between two contact pins, and in the first inserting groove of insertion of grafting block interference fit, Hough washer includes first
Washer and second packing ring, the first washer is plug-type to be arranged between two contact pins and coats and be arranged in the outside of rest pad, and
The fitting of two washers is arranged between two second boss, by least two between second packing ring and its second boss to fit
Pin is locked;
Two second boss of inner wire are fastened between two insulators.
Above-mentioned a kind of split type RF coaxial adapters, wherein the section of the first inserting groove is formed as regular polygon structure.
Above-mentioned a kind of split type RF coaxial adapters, wherein seal washer, gasket are equipped between swivel nut and contact head
The one circle inner washer of inner wall fitting setting of circle, the one circle outer washer of outer wall fitting setting of seal washer, inner washer and outer washer it
Between connected by several connecting rods, circumferentially shape is uniformly distributed in seal washer for connecting rod.
A kind of above-mentioned split type RF coaxial adapters, wherein seal washer is made using fluorubber of material, inner washer,
Outer washer and connecting rod are made using polytetrafluoroethylene (PTFE) of material.
A kind of above-mentioned split type RF coaxial adapters, wherein insulator includes the first insulator and the second insulator, the
One insulator includes insulator and first time insulator on the first of semicircular structure, insulator and first time insulator on first
Be integrally formed, the thickness of first time insulator is twice of insulator thickness on first, on first insulator be equipped with it is multiple together
The first annular card slot of axis setting, the cross sectional shape of first annular card slot are triangular structure of right angle, are set on insulator on second
There is the second annular slot of multiple coaxial arrangements, the cross sectional shape of the second annular slot is isosceles trapezoidal structure, first annular card
The depth of slot is more than the depth of the second annular slot;Second insulator include second on insulator and second time insulator, second
The thickness of upper insulator is equal to the thickness of first time insulator, and the thickness of second time insulator is equal to the thickness of insulator on first
Degree, insulator is equipped with the first annular strip mutually agreed with first annular card slot on second, second time insulator equipped with
The second annular strip that second annular slot mutually agrees with, the first insulator and the second insulator are bonded to each other and by being bonded admittedly
Fixed, first annular strip is plug-type to be arranged in first annular card slot, and the second annular strip is plug-type to be arranged in the second ring
In shape card slot.
A kind of above-mentioned split type RF coaxial adapters, wherein on first on insulator and second insulator outer wall it
Between, on first on insulator and second between the inner wall of insulator, between first time insulator and the outer wall of second time insulator,
Anti-overflow plastic structure there are one respectively being set between first time insulator and the inner wall of second time insulator;
Anti-overflow plastic structure on first on insulator and second between the outer wall of insulator includes being arranged on the first insulator
First excessive glue groove, the second excessive glue groove being arranged on the second insulator, the first excessive glue groove and the second excessive glue groove are bonded to each other to be formed
Excessive glue chamber sets the gear rubber ring there are one semicircle ring structure in excessive glue chamber, and gear rubber ring includes outer gear rubber ring and interior gear rubber ring, outer gear glue
Ring coordinates with excessive glue chamber transition, and the thickness of interior gear rubber ring is less than outer retaining plate;
On first on insulator and second between the outer wall of insulator with the inner wall of insulator on insulator on first and second it
Between anti-overflow plastic structure mirror image setting;
Between first time insulator and the outer wall of second time insulator with the inner wall of first time insulator and second time insulator it
Between anti-overflow plastic structure mirror image setting.
Above-mentioned a kind of split type RF coaxial adapters, wherein the depth of first annular card slot is the second annular slot
Twice of depth.
Beneficial effects of the present invention are:
The present invention uses the inner wire of split structure, easy for installation, good electric property to improve production efficiency, and impedance reaches
To 75 Ω;
At the same time, the structure setting of seal washer and insulator further improves its stability and security performance.
Description of the drawings
Fig. 1 is sectional view of the present invention.
Fig. 2 is inner wire sectional view.
Fig. 3 is seal washer sectional view.
Fig. 4 is insulator sectional view.
Fig. 5 is part A enlarged drawing in Fig. 2.
Fig. 6 is part B enlarged drawing in convex 4.
Reference numeral:
Shell 1, contact head 2, swivel nut 3, inner wire 4, first boss 5, insulator 6, snap ring 7, contact pin 8, second boss 9, bearing
It is block 10, grafting block 11, Hough washer 12, the first washer 13, second packing ring 14, pin 15, seal washer 16, inner washer 17, outer
Insulator 20 on washer 18, connecting rod 19, first, first time insulator 21, first annular card slot 22, the second annular slot 23,
Insulator 24, second time insulator 25, the first excessive glue groove 26, the second excessive glue groove 27, outer gear rubber ring 28, interior gear rubber ring on second
29。
Specific implementation mode
It is clear to make technical scheme of the present invention be more clear, below the present invention is described further, it is any to this
The technical characteristic of inventive technique scheme carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within the scope of the present invention.
A kind of split type RF coaxial adapters as shown in the figure, including shell 1, contact head 2, swivel nut 3 and inner wire 4;
It is equipped with first passage in shell, a circle first boss 5 is equipped in the middle part of first passage, the rear and front end of first passage covers respectively
If a contact head, set between contact head and first boss there are one insulator 6, two swivel nuts are respectively sleeved at the front and back of shell
Both ends are equipped with snap ring 7 between swivel nut and shell;
Inner wire is fixed in two insulators;
Inner wire includes contact pin 8 and bindiny mechanism, and contact pin bottom is set there are one the first inserting groove, and the quantity of contact pin is two, and two
The bottom of a contact pin is oppositely arranged, contact pin be equipped with one circle second boss 9, between the bottom and contact pin bottom of second boss away from
It is L2, L1 < L2 from the depth for L1, the first inserting groove;
Bindiny mechanism includes rest pad 10, grafting block 11 and Hough washer 12, two grafting blocks respectively symmetrically be fixed on bearing
The both sides of block, rest pad are arranged between two contact pins, in the first inserting groove of insertion of grafting block interference fit, Hough washer packet
The first washer 13 and second packing ring 14 are included, the plug-type setting of the first washer is between two contact pins and cladding setting is supporting
The outside of block, second packing ring fitting is arranged between two second boss, between second packing ring and its second boss to fit
It is locked by least two pins 15;
Two second boss of inner wire are fastened between two insulators.
The section of first inserting groove is formed as regular polygon structure.
Seal washer 16 is equipped between swivel nut and contact head, the one circle inner washer 17 of inner wall fitting setting of seal washer is close
The one circle outer washer 18 of outer wall fitting setting of seal washer, is connected between inner washer and outer washer by several connecting rods 19,
Circumferentially shape is uniformly distributed in seal washer for connecting rod.
Seal washer is made using fluorubber of material, and inner washer, outer washer and connecting rod are using polytetrafluoroethylene (PTFE) as material system
At the thickness of outer washer is more than the thickness of inner washer.
Insulator includes the first insulator and the second insulator, and the first insulator includes insulating on the first of semicircular structure
Son 20 and first time insulator 21, insulator and first time insulator integrated molding, the thickness of first time insulator are on first
Twice of insulator thickness on first, insulator is equipped with the first annular card slot 22 of multiple coaxial arrangements, the first ring on first
The cross sectional shape of shape card slot is triangular structure of right angle, and insulator is equipped with the second annular slot of multiple coaxial arrangements on second
23, the cross sectional shape of the second annular slot is isosceles trapezoidal structure, and the depth of first annular card slot is more than the second annular slot
Depth;Second insulator includes insulator 24 and second time insulator 25 on second, and the thickness of insulator is equal to first on second
The thickness of lower insulator, the thickness of second time insulator are equal to the thickness of insulator on first, on second insulator be equipped with
The first annular strip that first annular card slot mutually agrees with, second time insulator is equipped with second mutually agreed with the second annular slot
Annular strip, the first insulator and the second insulator are bonded to each other and by being adhesively fixed, and first annular strip is plug-type to be set
It sets in first annular card slot, the second annular strip is plug-type to be arranged in the second annular slot.
On first on insulator and second between the outer wall of insulator, on first on insulator and second insulator inner wall
Between, between first time insulator and the outer wall of second time insulator, the inner wall of first time insulator and second time insulator it
Between respectively set there are one anti-overflow plastic structure;
Anti-overflow plastic structure on first on insulator and second between the outer wall of insulator includes being arranged on the first insulator
First excessive glue groove 26, the second excessive glue groove 27 being arranged on the second insulator, the first excessive glue groove and the second excessive glue groove are bonded to each other
Excessive glue chamber is formed, the gear rubber ring there are one semicircle ring structure is set in excessive glue chamber, gear rubber ring includes outer gear rubber ring 28 and interior gear rubber ring
29, outer gear rubber ring coordinates with excessive glue chamber transition, and the thickness of interior gear rubber ring is less than outer retaining plate;
On first on insulator and second between the outer wall of insulator with the inner wall of insulator on insulator on first and second it
Between anti-overflow plastic structure mirror image setting;
Between first time insulator and the outer wall of second time insulator with the inner wall of first time insulator and second time insulator it
Between anti-overflow plastic structure mirror image setting.
The depth of first annular card slot is twice of the depth of the second annular slot.