CN220209337U - Positioning type elastic contact test connector - Google Patents
Positioning type elastic contact test connector Download PDFInfo
- Publication number
- CN220209337U CN220209337U CN202321803744.8U CN202321803744U CN220209337U CN 220209337 U CN220209337 U CN 220209337U CN 202321803744 U CN202321803744 U CN 202321803744U CN 220209337 U CN220209337 U CN 220209337U
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- Prior art keywords
- connector
- elastic contact
- inner conductor
- bushing
- insulating support
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 239000004020 conductor Substances 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses a positioning type elastic contact test connector, and relates to the technical field of coaxial connectors. The positioning elastic contact test connector is mainly used for occasions such as radio frequency board test. The existing conventional products use pin welding. A positioning type elastic contact test connector comprises a connector assembly. The connector assembly includes a connector housing, a bushing, an inner conductor, an insulating support, a micro spring, and a resilient contact ring. The bushing is arranged in the connector shell, and after the insulating support is pressed into the bushing, the bushing is pressed into the connector shell, so that the inner conductor is ensured, and the insulating support and the bushing are relatively fixed. The product is designed again on the basis of the existing connector, and the existing perforation welding of the outer conductor is changed into flange threaded connection; the existing inner conductor perforation welding is changed into the elastic contact of a central needle; the existing positioning is inaccurate, the positioning pin is added after optimization, the center needle is ensured to be matched completely according to the design requirement, and the problem of testing the high-frequency radio-frequency board is solved.
Description
Technical Field
The utility model relates to the technical field of coaxial connectors, in particular to a positioning type elastic contact test connector.
Background
Various signals are transmitted in conductors in the PCB circuit board, the frequency of the conductors must be increased to improve the transmission rate, if the circuit itself is different in factors such as etching, lamination thickness, wire width and the like, the impedance value will be changed, signals of the circuit will be distorted, and the service performance of the circuit board is reduced, so that the impedance value needs to be controlled within a certain range.
The positioning elastic contact test connector is mainly used for occasions such as radio frequency board test. The existing conventional products adopt pin welding, and after the testing, the PCB radio frequency board is provided with tin, can not be delivered together like a new board, and can not realize the complete inspection of the PCB radio frequency signals; sometimes, the useful position is placed in a deviation during testing, so that the signal line is misplaced, the performance is reduced linearly, and the detection result is wrong or has a large error.
Disclosure of Invention
In order to overcome the defects, the utility model provides a positioning type elastic contact test connector, which aims to improve the test problem of a high-frequency radio frequency board.
The utility model is realized in the following way:
the application provides a positioning type elastic contact test connector comprising a connector assembly.
The connector assembly comprises a connector shell, a bushing, an inner conductor, an insulating support, a miniature spring and an elastic contact ring, wherein the bushing is arranged in the connector shell, one end of the inner conductor is arranged in the bushing, the insulating support is sleeved at one end, far away from the bushing, of the inner conductor, the miniature spring is arranged between the inner conductor and the elastic contact ring, and the miniature spring and the elastic contact ring are all arranged in the connector shell.
In a preferred technical scheme of the utility model, the elastic contact ring is provided with the lobes, and the lobes have certain elasticity after closing-in heat treatment, and when the elastic contact ring is inserted into the inner conductor, a certain amount of displacement can be realized on the inner conductor.
In a preferred technical scheme of the utility model, the elastic contact ring is provided with a step, after assembly, the step is clamped into the inner hole of the inner conductor to realize fixation, when the elastic contact ring is propped, the miniature spring is compressed, the elastic contact ring moves backwards and generates forward thrust, and the elastic contact ring can be ensured to be in elastic contact with the PCB.
In a preferred technical scheme of the utility model, a flange is arranged on one side of the connector shell, a circular step is arranged at the tail of the flange, the width of the circular step is 0.8-1.2 mm, the circular step can be tightly connected with a PCB during installation, and the influence of PCB warpage on connection and performance is reduced.
In a preferred technical scheme of the utility model, the tail part of the flange plate is provided with two positioning pins, and the printed circuit of the PCB can be accurately positioned through the positioning pins, so that accurate connection is realized.
In a preferred technical scheme of the utility model, the flange plate is provided with three positioning grooves, so that the flange plate is ensured not to be reversely assembled during installation.
In a preferred technical scheme of the utility model, the flange is provided with a notch, and the circuit of the PCB passes below the notch, so that the circuit cannot be shorted, and the impedance of the radio frequency circuit is ensured.
In a preferred technical scheme of the utility model, a groove is arranged on the inner conductor, and after the insulating support is clamped into the inner conductor, the inner conductor is prevented from moving back and forth.
In a preferred embodiment of the present utility model, the bushing is provided in the connector housing, and after the insulating support is pressed into the bushing, the bushing is pressed into the connector housing, so that the inner conductor is secured, and the insulating support and the bushing are fixed relatively.
In a preferred embodiment of the present utility model, the insulating support is formed in a shape of 2 semicircular plates. The purpose of this is to ensure the accuracy of the insulating support. During installation, the 2 semicircular sheet supports are clamped into clamping grooves of the inner conductor, and the insulating supports are pressed into the bushings by a tool.
The beneficial effects are that: the product is designed again on the basis of the existing connector, and the existing perforation welding of the outer conductor is changed into flange threaded connection; the existing inner conductor perforation welding is changed into the elastic contact of a central needle; the existing positioning is inaccurate, the positioning pin is added after optimization, the center needle is ensured to be matched completely according to the design requirement, and the problem of testing the high-frequency radio-frequency board is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall exploded view provided by an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a connector according to an embodiment of the present utility model;
FIG. 3 is a plan view of an elastomeric contact ring provided in an embodiment of the present utility model;
FIG. 4 is a plan view of a flange plate according to an embodiment of the present utility model;
fig. 5 is a schematic overall perspective view of an embodiment of the present utility model.
In the figure: a 100-connector assembly; 110-a connector housing; 111-flange plates; 112-circular steps; 113-locating pins; 114-positioning grooves; 115-notch; 120-lining; 130-an inner conductor; 131-grooves; 140-insulating supports; 150-miniature springs; 160-an elastic contact ring; 161-lobes; 162-steps.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: a positioning type elastic contact test connector comprises a connector assembly 100, and the connector assembly 100 is used for improving the test problem of a high-frequency radio-frequency board.
Referring to fig. 1-5, the connector assembly 100 includes a connector housing 110, a bushing 120, an inner conductor 130, an insulating support 140, a micro spring 150, and an elastic contact ring 160, wherein the bushing 120 is disposed in the connector housing 110, one end of the inner conductor 130 is disposed in the bushing 120, and the insulating support 140 is sleeved on one end of the inner conductor 130 away from the bushing 120. The bushing 120 is provided in the connector housing 110, and after the insulating support 140 is pressed into the bushing 120, the bushing 120 is pressed into the connector housing 110, so that the inner conductor 130, the insulating support 140 and the bushing 120 are fixed relatively. The micro spring 150 is disposed between the inner conductor 130 and the elastic contact ring 160, and a groove 131 is disposed on the inner conductor 130, so that the inner conductor 130 is prevented from being moved back and forth after the insulating support 140 is clamped into the inner conductor 130.
The insulating support 140 is formed in a shape of 2 semicircles. The purpose of this is to ensure the accuracy of the insulating support 140. During installation, 2 semicircular sheet-shaped insulating supports 140 are clamped into clamping grooves of the inner conductor 130, and the insulating supports 140 are pressed into the bushing 120 by a tool.
Referring to fig. 1-5, a micro spring 150 and a resilient contact ring 160 are both disposed within the connector housing 110. A flange plate 111 is arranged on one side of the connector shell 110, a circular step 112 is arranged at the tail of the flange plate 111, the width of the circular step is 0.8-1.2 mm, the circular step can be tightly connected with a PCB during installation, and the influence of PCB warping on connection and performance is reduced. The tail of the flange 111 is provided with two positioning pins 113, and the printed circuit of the PCB can be accurately positioned through the positioning pins 113, so that accurate connection is realized, and the flange 111 is provided with three positioning grooves 114, so that reverse installation can not be realized during installation. The flange 111 has a notch 115, and the pcb is routed under the notch 115 to ensure that no short circuit occurs and to ensure the impedance of the rf circuit, and the connector housing 110 is threaded on its outer surface. The elastic contact ring 160 is provided with a vane 161, which is made elastic after the heat treatment of the closing-in, and when the elastic contact ring 160 is inserted into the inner conductor 130, a certain amount of displacement can be realized on the inner conductor 130. The elastic contact ring 160 is provided with a step 162, after assembly, the step 162 is clamped into the inner hole of the inner conductor 130 to realize fixation, when the elastic contact ring 160 is jacked, the micro spring 150 is compressed, the elastic contact ring 160 moves backwards and generates forward thrust, and the elastic contact ring 160 can be ensured to be in elastic contact with the PCB
Working principle: the bushing 120 is disposed in the connector housing 110, and after the insulating support 140 is combined and pressed into the bushing 120, the bushing 120 is pressed into the connector housing 110, so that the inner conductor 130, the insulating support 140 and the bushing 120 are relatively fixed. The inner conductor 130 is provided with a groove 131, and after the insulating support 140 is clamped into the inner conductor 130, the inner conductor 130 is prevented from being strung back and forth. The circular step 112 at the tail of the flange 111 has the width of 0.8-1.2 mm, so that the flange can be tightly connected with a PCB during installation, and the influence of PCB warpage on connection and performance is reduced; the positioning pins 113 can accurately position printed circuits of the PCB, so that accurate connection is realized; three positioning grooves 114 on the flange 111 ensure that the mounting is not reversed. Wherein the PCB's wiring passes under the notch 115, ensuring that it is not shorted and ensuring the impedance of the rf circuit.
It should be noted that, the specific model specification of the connector needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The connector testing principle is clear to a person skilled in the art and will not be described in detail here.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A positioning type elastic contact test connector is characterized by comprising
The connector assembly comprises a connector shell, a bushing, an inner conductor, an insulating support, a miniature spring and an elastic contact ring, wherein the bushing is arranged in the connector shell, one end of the inner conductor is arranged in the bushing, the insulating support is sleeved at one end, far away from the bushing, of the inner conductor, the miniature spring is arranged between the inner conductor and the elastic contact ring, and the miniature spring and the elastic contact ring are all arranged in the connector shell.
2. The localized flexible contact test connector of claim 1, wherein: the elastic contact ring is provided with lobes, the lobes are enabled to have certain elasticity after closing-in heat treatment, and when the elastic contact ring is inserted into the inner conductor, a certain amount of displacement can be realized on the inner conductor.
3. The localized flexible contact test connector of claim 1, wherein: the elastic contact ring is provided with a step, after assembly, the step is clamped into the inner hole of the inner conductor to realize fixation, when the elastic contact ring is jacked, the miniature spring is compressed, the elastic contact ring moves backwards and generates forward thrust, and the elastic contact ring is ensured to be in elastic contact with the PCB.
4. The localized flexible contact test connector of claim 1, wherein: the connector is characterized in that a flange is arranged on one side of the connector shell, a circular step is arranged at the tail of the flange, the width of the circular step is 0.8-1.2 mm, the circular step can be tightly connected with a PCB during installation, and the influence of PCB warping on connection and performance is reduced.
5. The localized flexible contact test connector of claim 4, wherein: the flange plate tail is provided with two locating pins, and the printed circuit of the PCB can be accurately located through the locating pins, so that accurate connection is realized.
6. The localized flexible contact test connector of claim 4, wherein: the flange plate is provided with three positioning grooves, so that the flange plate is prevented from being reversely assembled during installation.
7. The localized flexible contact test connector of claim 4, wherein: the flange plate is provided with a notch, and a circuit of the PCB passes below the notch, so that the short circuit is avoided, and the impedance of the radio frequency circuit is ensured.
8. The localized flexible contact test connector of claim 1, wherein: the inner conductor is provided with a groove, and the insulating support is blocked into the inner conductor to prevent the inner conductor from moving back and forth.
9. The localized flexible contact test connector of claim 1, wherein: the bushing is arranged in the connector shell, and after the insulating support is pressed into the bushing, the bushing is pressed into the connector shell, so that the inner conductor is ensured, and the insulating support and the bushing are relatively fixed.
10. The localized flexible contact test connector of claim 1, wherein: the insulating support is in the shape of 2 semicircles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321803744.8U CN220209337U (en) | 2023-07-11 | 2023-07-11 | Positioning type elastic contact test connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321803744.8U CN220209337U (en) | 2023-07-11 | 2023-07-11 | Positioning type elastic contact test connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220209337U true CN220209337U (en) | 2023-12-19 |
Family
ID=89143921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321803744.8U Active CN220209337U (en) | 2023-07-11 | 2023-07-11 | Positioning type elastic contact test connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220209337U (en) |
-
2023
- 2023-07-11 CN CN202321803744.8U patent/CN220209337U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |