CN108565579A - A kind of split type RF coaxial adapters - Google Patents
A kind of split type RF coaxial adapters Download PDFInfo
- Publication number
- CN108565579A CN108565579A CN201810300970.1A CN201810300970A CN108565579A CN 108565579 A CN108565579 A CN 108565579A CN 201810300970 A CN201810300970 A CN 201810300970A CN 108565579 A CN108565579 A CN 108565579A
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- China
- Prior art keywords
- insulator
- washer
- annular
- time
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012212 insulator Substances 0.000 claims abstract description 143
- 238000012856 packing Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 25
- 239000004033 plastic Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/54—Intermediate parts, e.g. adapters, splitters or elbows
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Abstract
The present invention proposes a kind of split type RF coaxial adapters, including shell, contact head, swivel nut and inner wire, inner wire is fixed in two insulators, inner wire includes contact pin and bindiny mechanism, bindiny mechanism includes rest pad, grafting block and Hough washer, the both sides for being fixed on rest pad of two grafting blocks respectively symmetrically, rest pad is arranged between two contact pins, in the first inserting groove of insertion of grafting block interference fit, Hough washer includes the first washer and second packing ring, first washer is plug-type to be arranged between two contact pins, and cladding is arranged in the outside of rest pad, second packing ring fitting is arranged between two second boss, it is locked by least two pins between second packing ring and its second boss to fit；Two second boss of inner wire are fastened between two insulators, and good electric property of the present invention improves production efficiency, and impedance reaches 75 Ω.
Description
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.
Claims (7)
1. a kind of split type RF coaxial adapters, it is characterized in that, 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.
2. a kind of split type RF coaxial adapters as described in claim 1, it is characterized in that, the section of the first inserting groove is formed
For regular polygon structure.
3. a kind of split type RF coaxial adapters as described in claim 1, it is characterized in that, it is equipped between swivel nut and contact head
Seal washer, the one circle inner washer of inner wall fitting setting of seal washer, the one circle outer washer of outer wall fitting setting of seal washer are interior
It is connected by several connecting rods between washer and outer washer, circumferentially shape is uniformly distributed in seal washer for connecting rod.
4. a kind of split type RF coaxial adapters as claimed in claim 3, it is characterized in that, seal washer is using fluorubber as material
Material is made, and inner washer, outer washer and connecting rod are made using polytetrafluoroethylene (PTFE) of material.
5. a kind of split type RF coaxial adapters as described in claim 1, it is characterized in that, insulator includes the first insulator
With the second insulator, the first insulator includes insulator and first time insulator on the first of semicircular structure, is insulated on first
Son and first time insulator are integrally formed, and the thickness of first time insulator is twice of insulator thickness on first, exhausted on first
Edge is equipped with the first annular card slot of multiple coaxial arrangements, and the cross sectional shape of first annular card slot is triangular structure of right angle,
Insulator is equipped with the second annular slot of multiple coaxial arrangements on second, and the cross sectional shape of the second annular slot is isosceles trapezoid
Structure, the depth of first annular card slot are more than the depth of the second annular slot；Second insulator includes insulator and the on second
Two times insulators, the thickness of insulator is equal to the thickness of first time insulator on second, and the thickness of second time insulator is equal to the
The thickness of insulator on one, insulator is equipped with the first annular strip mutually agreed with first annular card slot on second, under second
Insulator is equipped with the second annular strip mutually agreed with the second annular slot, and the first insulator and the second insulator are bonded to each other
And by being adhesively fixed, first annular strip is plug-type to be arranged in first annular card slot, and the second annular strip is plug-type
It is arranged in the second annular slot.
6. a kind of split type RF coaxial adapters as claimed in claim 5, it is characterized in that, on first on insulator and second
Between the outer wall of insulator, on first on insulator and second between the inner wall of insulator, first time insulator and second time absolutely
Anti-overflow plastic structure there are one respectively being set between the outer wall of edge, 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.
7. a kind of split type RF coaxial adapters as claimed in claim 5, it is characterized in that, the depth of first annular card slot is
Twice of the depth of second annular slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300970.1A CN108565579B (en) | 2018-04-04 | 2018-04-04 | Split type radio frequency coaxial adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300970.1A CN108565579B (en) | 2018-04-04 | 2018-04-04 | Split type radio frequency coaxial adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108565579A true CN108565579A (en) | 2018-09-21 |
| CN108565579B CN108565579B (en) | 2024-02-09 |
Family
ID=63534141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810300970.1A Active CN108565579B (en) | 2018-04-04 | 2018-04-04 | Split type radio frequency coaxial adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108565579B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165512A (en) * | 2019-04-23 | 2019-08-23 | 德尔特微波电子(南京)有限公司 | A kind of water-stop type radio frequency (RF) coaxial connector |
| CN112932311A (en) * | 2021-04-08 | 2021-06-11 | 吉博力国际股份公司 | Seamless welded toilet seat |
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| CN204927649U (en) * | 2015-08-26 | 2015-12-30 | 常州易泽科通信科技有限公司 | Radio frequency coaxial adapter |
| CN205509193U (en) * | 2016-03-09 | 2016-08-24 | 常州易泽科通信科技有限公司 | Rf adapter |
| CN208240919U (en) * | 2018-04-04 | 2018-12-14 | 江苏华吉通信科技有限公司 | A kind of split type RF coaxial adapters |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165512A (en) * | 2019-04-23 | 2019-08-23 | 德尔特微波电子(南京)有限公司 | A kind of water-stop type radio frequency (RF) coaxial connector |
| CN112932311A (en) * | 2021-04-08 | 2021-06-11 | 吉博力国际股份公司 | Seamless welded toilet seat |
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| CN108565579B (en) | 2024-02-09 |
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