CN215812913U - Circuit board test connector - Google Patents
Circuit board test connector Download PDFInfo
- Publication number
- CN215812913U CN215812913U CN202122057319.6U CN202122057319U CN215812913U CN 215812913 U CN215812913 U CN 215812913U CN 202122057319 U CN202122057319 U CN 202122057319U CN 215812913 U CN215812913 U CN 215812913U
- Authority
- CN
- China
- Prior art keywords
- main body
- circuit board
- pin
- connector
- signal
- 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.)
- Active
Links
Images
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model provides a circuit board test connector which is characterized by being used for testing a circuit board and comprising a main body, a connecting piece and a central needle assembly, wherein the upper part of the main body is connected with the connecting piece, and the connecting piece and the main body are arranged through threads and can rotate relatively; the central needle assembly is coaxially arranged in the main body in a penetrating mode and fixedly connected with the main body, and when the main body and the connecting piece rotate relatively, the central needle assembly and the main body rotate synchronously. And the adjusting device capable of adjusting the installation position of the grounding pin is arranged, so that the circuit board test connector can change and select the angle and distance of the test, and has enough space to avoid the components arranged on the circuit board. The circuit board test connector has the advantages that the overall structure is not complex, the stability and the safety are good, the scale marks are designed, and the circuit board test connector is convenient for a user to operate and record.
Description
Technical Field
The utility model belongs to the technical field of radio frequency connectors, and particularly relates to a circuit board test connector.
Background
In the current radio frequency connector industry, most radio frequency circuit board connectors adopt fixed connector test schemes, in the product research and development process, because some schemes are not completely confirmed, the arrangement of components on a circuit board can be changed frequently, and a common circuit board test connector has a fixed test position and cannot be used in the product research and development process. Therefore, there is a need for a test connector that can accommodate different orientations and distances of circuit board test points.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a circuit board testing connector which is used for testing a circuit board and comprises a main body, a connecting piece and a central pin assembly, wherein the upper part of the main body is connected with the connecting piece, and the connecting piece and the main body are arranged through threads and can rotate relatively;
the central needle assembly is coaxially arranged in the main body in a penetrating mode and fixedly connected with the main body, and when the main body and the connecting piece rotate relatively, the central needle assembly and the main body rotate synchronously.
Specifically, the main part includes shell and screw thread spare, the screw thread spare sets up the upper portion of shell, the screw thread spare with the connecting piece is threaded connection, the screw thread spare with the connecting piece cooperation makes the main part with the connecting piece can carry out relative rotation.
Further, the main body further comprises a fixing piece arranged outside the threaded piece, the fixing piece is arranged on the upper portion of the outer shell, the outer shell is provided with a limiting portion for limiting the downward moving distance of the threaded piece to exceed a preset value, and when the downward moving distance of the threaded piece reaches the preset value, the limiting portion limits the fixing piece and further fixes the threaded piece.
Specifically, the fixing part is a metal ring, the inner diameter of the upper part of the metal ring is smaller than the thread of the screw, the outer diameter of the upper part of the metal ring is larger than the limiting part, and the lower part of the metal ring can be embedded into the limiting part.
Specifically, the central needle assembly comprises a central needle, a welding cup, a signal needle and a grounding needle, the central needle is coaxially arranged in the main body in a penetrating manner, the welding cup is arranged at the upper part of the main body, and one end of the central needle is exposed out of the welding cup;
the signal needle is coaxially arranged inside the shell in a penetrating mode, the signal needle is connected with the center needle, and the grounding needle is arranged inside the shell.
Specifically, the signal pin and the grounding pin are provided with test ends for testing and connecting a circuit board, and the test ends of the signal pin and the grounding pin expose the lower end of the main body.
Preferably, an elastic member having conductivity is provided between the center pin and the signal pin, and both ends of the elastic member abut against the center pin and the signal pin, respectively.
Furthermore, a first insulating part is arranged between the central needle and the main body, a second insulating part is arranged between the signal needle and the shell, the first insulating part and the second insulating part are both of annular main body structures, the first insulating part is sleeved outside the central needle, the second insulating part is sleeved outside the signal needle, and the outer parts of the first insulating part and the second insulating part are abutted against the inner wall of the main body and used for keeping the coaxial position of the central needle and the coaxial position of the signal needle.
Further, the main body further comprises an adjusting device for adjusting the position of the grounding pin, and the adjusting device is arranged at the lower part of the main body.
Specifically, adjusting device is the needle cover, the needle cover is provided with a plurality of installation positions, the installation position with the horizontal distance between the signal needle is diverse, the earth pin can set up in arbitrary installation position.
Therefore, the utility model provides a circuit board test connector which is used for testing circuit boards and can solve the signal test problem of various radio frequency signal circuit boards. The circuit board test connector adopts a threaded structure, can realize 360-degree rotation, and enables the grounding pin to be arranged at different positions through the design of the pin sleeve, so that the circuit board test connector can change and select the angle and distance for testing, and has enough space to avoid components arranged on the circuit board. The circuit board test connector has the advantages that the overall structure is not complex, the stability and the safety are good, the scale marks are designed, and the circuit board test connector is convenient for a user to operate and record.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an overall structure of a circuit board testing connector according to the present invention;
FIG. 2 is a schematic diagram of the overall structure of the circuit board test connector for testing the status of the connected circuit board;
FIG. 3 is a schematic cross-sectional view of the upper structure of the circuit board test connector;
FIG. 4 is a schematic diagram of an overall cross-sectional structure of a circuit board testing connector according to the present invention;
FIG. 5 is a schematic cross-sectional view of the overall structure of the circuit board test connector in a state of being connected to a circuit board under test;
FIG. 6 is a schematic view of the overall structure of the circuit board test connector with the grounding pin being changed in position;
FIG. 7 is a cross-sectional view of the whole structure of the circuit board testing connector for testing the status of the connected circuit board by changing the position of the ground pin.
Reference numerals:
1-a housing; 2-a connector; 3-a central needle; 4-a circuit board; 11-a screw; 12-a metal ring; 13-a restriction; 14-a pipeline; 15-a first insulator; 16-a second insulator; 17-needle sleeve; 21-lower port; 22-a connecting part; 31-a welding cup; 32-a signal pin; 33-a ground pin; 34-a spring; 161-prepared hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a circuit board testing connector, which is used for testing a circuit board 4 and comprises a main body, a connecting piece 2 and a central pin assembly, wherein the upper part of the main body is connected with the connecting piece 2, the connecting piece 2 and the main body are arranged through threads and can rotate relatively, and the rotation amplitude can reach 360 degrees;
the central needle assembly is coaxially arranged in the main body in a penetrating manner and fixedly connected with the main body, the central needle assembly is used for testing connection with a circuit board 4, and when the main body and the connecting piece 2 rotate relatively, the central needle assembly and the main body rotate synchronously, so that the circuit board testing connector in the embodiment can change the testing direction.
It should be noted that the circuit board test connector uses a standard 50 ohm rf transmission path internally.
The connecting piece 2 is provided with a plurality of connecting parts 22, the circuit board testing connector in the embodiment can be installed on different clamps through the connecting parts 22, flexibility and convenience are achieved, and a user can use the circuit board testing connector for testing conveniently.
Specifically, as shown in fig. 3, the main body includes a housing 1 and a screw 11, the screw 11 is disposed on an upper portion of the housing 1, the screw 11 is connected to the connecting member 2, the screw 11 has an external thread, a connection portion of the connecting member 2 and the screw 11 has an internal thread, and the screw 11 is engaged with the connecting member 2 to enable the main body and the connecting member 2 to rotate relatively by 360 °.
It should be noted that, when the main body and the connecting piece 2 need to rotate relatively, the position of the connecting piece 2 can be fixed, and after the position of the connecting piece 2 is fixed, the main body and the connecting piece 2 can rotate relatively by rotating the housing 1.
Preferably, the surface of the housing 1 and the surface of the connecting part 2 are both provided with scale marks, so that when the circuit board test connector in the embodiment is used, a user can be helped to rotate at a specific angle more easily by means of the scale marks, and meanwhile, the user can conveniently record the rotating angle.
Further, the main body further comprises a fixing member arranged outside the threaded member 11, the fixing member fixes the threaded member 11 to ensure that the position of the threaded member 11 does not deviate, and the fixing member may be integrally formed with the threaded member 11 or sleeved outside the threaded member 11. Specifically, the fixing member is disposed on an upper portion of the housing 1, and the housing 1 is provided with a limiting portion 13, and the limiting portion 13 limits the fixing member.
When the connecting member 2 and the screw member 11 are rotated relatively, the vertical distance between the screw member 11 and the housing 1 is changed, i.e. the screw member 11 moves upward or downward relative to the housing 1. When the screw member 11 moves downward relative to the housing 1 and the vertical distance between the screw member 11 and the housing 1 decreases to a predetermined value, the limiting portion 13 limits the fixing member, and the fixing member prevents the screw member 11 from moving downward relative to the housing 1, thereby fixing the screw member 11.
In this embodiment, the fixing member is a metal ring 12, the upper portion of the threaded member 11 has threads, the metal ring 12 is sleeved on the lower portion of the threaded member 11, the inner diameter of the upper portion of the metal ring 12 is smaller than the threads of the threaded member 11, and the outer diameter of the upper portion of the metal ring 12 is larger than the limiting portion 13, so that the limiting effect on the threads can be achieved; the lower portion of the metal ring 12 can be fitted into the restricting portion 13, so that the position of the screw 11 is not displaced, and the screw 11 is fixed. Through the setting of becket 12, can prevent effectively that screw 11 carries out autogiration, does not cause the influence to the test of circuit board 4.
Preferably, the connecting member 2 is provided with a lower opening 21, and the upper portion of the metal ring 12 is disposed inside the lower opening 21, so that the metal ring 12 is prevented from loosening, and the stability of the whole structure is increased. Further, the restriction portion 13 also has a restriction function on the lower port 21, and can prevent the connector 2 from excessively sinking with respect to the main body.
Specifically, referring to fig. 4 and 5, the central needle assembly includes a central needle 3, a welding cup 31, a signal needle 32 and a ground needle 33, the central needle 3 is coaxially inserted into the main body, the welding cup 31 is disposed at the upper part of the main body, one end of the central needle 3 is exposed from the welding cup 31, and the central needle 3 and the welding cup 31 are used for connecting with a coaxial cable; the signal pin 32 is coaxially arranged in the shell 1 in a penetrating manner, and the signal pin 32 is connected with the central pin 3 and can conduct signals to the central pin 3; the grounding pin 33 is disposed inside the housing 1 and is used for grounding when the circuit board 4 is tested.
It should be noted that, the signal pin 32 and the ground pin 33 both have a testing end for testing and connecting the circuit board 4, and the testing ends of the signal pin 32 and the ground pin 33 are exposed out of the lower end of the main body for testing and connecting with the circuit board 4.
In addition, the signal pin 32 and the grounding pin 33 both have certain elasticity, so that the signal pin 32 and the grounding pin 33 are in good contact with a test point of the circuit board 4 in a mode of compressing for a certain stroke, and the purpose of leading out the radio frequency model on the circuit board 4 from the circuit board test connector in the embodiment is achieved.
Specifically, the center pin 3 is connected to the inner conductor of the coaxial cable, and the solder cup 31 is connected to the outer conductor of the coaxial cable.
Preferably, the welding cup 31 is integrally designed with the screw member 11, so that unnecessary connecting parts are omitted, and the stability of the whole structure is increased.
Further, an elastic member having conductivity is provided between the center pin 3 and the signal pin 32. In this embodiment, the elastic member is a spring 34, two ends of the spring 34 respectively abut against the central pin 3 and the signal pin 32, the spring is made of a conductive material and can conduct an electrical signal, and the spring 34 has a certain elasticity and can play a role in buffering and damping, so that the signal pin 32 is compressed for a certain stroke to achieve good contact with a measuring point of the circuit board 4, and meanwhile, the spring can play a role in protecting the signal pin 32.
Specifically, a fixing sleeve is arranged inside the housing 1, and the fixing sleeve has a fixing effect on the spring 34, so that the position of the spring 34 is not easy to deviate or fall off. In this embodiment, the fixing sleeve is a cylindrical pipe 14 having a cavity therein, and the spring 34 is disposed in the cavity.
Further, a first insulating member 15 is arranged between the center pin 3 and the main body, a second insulating member 16 is arranged between the signal pin 32 and the housing 1, the first insulating member 15 and the second insulating member 16 play an insulating role, when the circuit board test connector in this embodiment is connected to a circuit board 4 for testing, the first insulating member 15 can prevent the center pin 3 from contacting the main body, and the second insulating member 16 can prevent the signal pin 32 from contacting the housing 1, so as to avoid the radio frequency signal failure.
In this embodiment, the first insulating member 15 and the second insulating member 16 are both annular main body structures, the first insulating member 15 is sleeved outside the central needle 3, the second insulating member 16 is sleeved outside the signal needle 32, and the outer portions of the first insulating member 15 and the second insulating member 16 are abutted against the inner wall of the main body, so as to play a role in fixing and be used for maintaining the coaxial positions of the central needle 3 and the signal needle 32.
In order to ensure that the grounding pin 33 does not contact the components on the circuit board 4 when the connection point of the signal pin 32 is determined during the test of the circuit board 4, the main body further comprises an adjusting device for changing the installation position of the grounding pin 33, and the horizontal distance between the signal pin 32 and the grounding pin 33 can be changed through the adjusting device, so that the circuit board test connector in the embodiment can change and select the test distance. Preferably, the adjustment means is provided at a lower portion of the body in order not to make the length of the earth pin 33 excessively long. In other embodiments, the mounting position of the grounding pin 33 may be changed by fixing means such as soldering.
Further, the lower end of the main body is exposed from the insulating member 15 between the signal pin 32 and the housing 1, so that the signal pin 32 is better fixed, and when the horizontal distance between the signal pin 32 and the ground pin 33 is short, the direct contact between the signal pin 32 and the ground pin 33 can be prevented, which affects the test result.
In this embodiment, the adjusting device is a needle guard 17, the needle guard 17 is provided with a plurality of mounting positions, horizontal distances between the mounting positions and the signal needle 32 are different, and the ground needle 33 can be arranged at any one of the mounting positions to change the position of the ground needle 33. Specifically, the installation position is a reserved hole 161, and referring to fig. 6 and 7, the ground pin 33 can be disposed in any one of the reserved holes 161, so as to change the horizontal distance between the signal pin 32 and the ground pin 33. Preferably, the installation positions are arranged at equal intervals, so that a user can adjust the installation positions conveniently.
Through the combination of the design of relative rotation between the main body and the connecting piece 2 and the design of the adjusting device, the circuit board testing connector in the embodiment can change and select the testing angle and distance, and has enough space to avoid the components arranged on the circuit board 4.
In summary, the present invention provides a circuit board testing connector, which is used for testing circuit boards and can solve the signal testing problem of various types of radio frequency signal circuit boards. The circuit board test connector adopts a threaded structure, can realize 360-degree rotation, and enables the grounding pin to be arranged at different positions through the design of the pin sleeve, so that the circuit board test connector can change and select the angle and distance for testing, and has enough space to avoid components arranged on the circuit board. The circuit board test connector has the advantages that the overall structure is not complex, the stability and the safety are good, the scale marks are designed, and the circuit board test connector is convenient for a user to operate and record.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The circuit board test connector is used for testing a circuit board and comprises a main body, a connecting piece and a central needle assembly, wherein the upper part of the main body is connected with the connecting piece, and the connecting piece and the main body are arranged through threads and can rotate relatively;
the central needle assembly is coaxially arranged in the main body in a penetrating mode and fixedly connected with the main body, and when the main body and the connecting piece rotate relatively, the central needle assembly and the main body rotate synchronously.
2. The connector of claim 1, wherein the main body comprises a housing and a screw member, the screw member is disposed on an upper portion of the housing, the screw member is in threaded connection with the connecting member, and the screw member is engaged with the connecting member to enable relative rotation between the main body and the connecting member.
3. The connector of claim 2, wherein the main body further comprises a fixing member disposed outside the screw member, the fixing member is disposed on an upper portion of the housing, the housing is provided with a limiting portion for limiting a downward movement distance of the screw member to exceed a predetermined value, and the limiting portion limits the fixing member when the screw member moves downward to the predetermined value.
4. The circuit board testing connector according to claim 3, wherein the fixing member is a metal ring, an inner diameter of an upper portion of the metal ring is smaller than a thread of the screw member, an outer diameter of an upper portion of the metal ring is larger than the restricting portion, and a lower portion of the metal ring is capable of being fitted into the restricting portion.
5. The circuit board testing connector according to claim 2, wherein the center pin assembly comprises a center pin, a solder cup, a signal pin and a ground pin, the center pin is coaxially arranged in the main body in a penetrating manner, the solder cup is arranged at the upper part of the main body, and one end of the center pin is exposed out of the solder cup;
the signal needle is coaxially arranged inside the shell in a penetrating mode, the signal needle is connected with the center needle, and the grounding needle is arranged inside the shell.
6. The circuit board test connector of claim 5, wherein the signal pins and the ground pins each have a test end for testing connection of a circuit board, the test ends of the signal pins and the ground pins exposing the lower end of the body.
7. The connector as claimed in claim 5, wherein an electrically conductive elastic member is disposed between the center pin and the signal pin, and both ends of the elastic member abut against the center pin and the signal pin, respectively.
8. The connector as claimed in claim 5, wherein a first insulating member is disposed between the central pin and the main body, a second insulating member is disposed between the signal pin and the housing, the first insulating member and the second insulating member are both annular main body structures, the first insulating member is sleeved outside the central pin, the second insulating member is sleeved outside the signal pin, and the outer portions of the first insulating member and the second insulating member abut against the inner wall of the main body to maintain the coaxial positions of the central pin and the signal pin.
9. The circuit board testing connector according to claim 5, wherein said main body further comprises an adjusting means for changing a mounting position of said grounding pin, said adjusting means being provided at a lower portion of said main body.
10. The connector of claim 9, wherein the adjusting device is a needle sheath, the needle sheath is provided with a plurality of mounting positions, horizontal distances between the mounting positions and the signal pins are different, and the grounding pin can be arranged at any one of the mounting positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122057319.6U CN215812913U (en) | 2021-08-27 | 2021-08-27 | Circuit board test connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122057319.6U CN215812913U (en) | 2021-08-27 | 2021-08-27 | Circuit board test connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215812913U true CN215812913U (en) | 2022-02-11 |
Family
ID=80152961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122057319.6U Active CN215812913U (en) | 2021-08-27 | 2021-08-27 | Circuit board test connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215812913U (en) |
-
2021
- 2021-08-27 CN CN202122057319.6U patent/CN215812913U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5133196B2 (en) | Probe connector | |
| EP3547460B1 (en) | Board mating connector | |
| EP3671968B1 (en) | Electrical connector housing, electrical connector and electrical connector assembly | |
| KR101239309B1 (en) | Coaxial inspection connector and receptacle | |
| US4932882A (en) | Rotary plug | |
| JP2014123482A (en) | Coaxial connector for inspection | |
| US20030193341A1 (en) | Systems and methods for wideband differential probing of variably spaced probe points | |
| KR20190060662A (en) | Board to board connector | |
| JP2017041347A (en) | Mounting structure for connector | |
| CN215812913U (en) | Circuit board test connector | |
| US20030193323A1 (en) | Systems and methods for wideband single-end probing of variably spaced probe points | |
| US5626496A (en) | Cigarette lighter adapter with flexible diameter | |
| CN209487882U (en) | A kind of test connector of the PAD port test for pcb board | |
| CN205509084U (en) | Modified coaxial connector structure | |
| CN213989485U (en) | Radio frequency connector | |
| CN210744231U (en) | Double-floating test tool adaptive to MHF socket | |
| CN210245780U (en) | Electric connector, connector assembly and electronic equipment | |
| US9099791B2 (en) | Cable assembly having a coaxial cable with outer conductor not protruding a housing surrounding the cable | |
| CN209570612U (en) | It checks and uses L-type coaxial connector | |
| CN104714055A (en) | Detection jig | |
| CN215728612U (en) | Test connector and test connector test system thereof | |
| CN220253694U (en) | Coaxial connector for testing and testing module thereof | |
| US11698390B1 (en) | High-frequency data differential testing probe | |
| TWM478261U (en) | Board connecting type connector | |
| JP7276363B2 (en) | adapter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |