CN220773145U

CN220773145U - Radio frequency test probe

Info

Publication number: CN220773145U
Application number: CN202322261414.7U
Authority: CN
Inventors: 王国华; 唐怀东
Original assignee: Shenzhen Sireda Technology Co ltd
Current assignee: Shenzhen Sireda Technology Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-04-12
Anticipated expiration: 2033-08-22

Abstract

The utility model provides a radio frequency test probe, which comprises an outer conductor assembly, wherein the outer conductor assembly comprises a fixed sleeve, a needle sleeve, a spring and a tail connector; the needle sleeve is arranged at the top of the fixed sleeve, the spring is welded with the top of the fixed sleeve and the bottom of the needle sleeve, and the tail connector is arranged at the bottom of the fixed sleeve; an inner conductor component is arranged on one side of the outer conductor component. The device is fixed through the fixing part firstly and then inserted into the tested product through the needle head guide sleeve, at the moment, the needle tube, the needle head and the needle tail are in a free state and are not pressed down, the needle head guide sleeve is contacted with the tested product, the spring is compressed by external force, and the needle head is contacted with the tested product to start testing, so that the probe is electrically conducted with the tested product, the needle head is separated from the tested product by external force after the testing is finished, and the state of the spring rebounds the probe, so that the high-frequency probe has small impedance and is resistant to loss.

Description

Radio frequency test probe

Technical Field

The utility model relates to a probe, in particular to a radio frequency test probe, and belongs to the technical field of electronic test devices.

Background

When radio frequency test is carried out, a general test instrument cannot be directly connected with a tested device, the test instrument is required to be connected with a tested product or a single board through a probe structure, and then signals are led into the test instrument;

when the ordinary POGOPIN is tested, the upper needle head and the lower needle head are electrically conducted through the springs, the cross section area of each spring is small, so that the impedance of the probe is large, and therefore, the radio frequency test probe is provided.

Disclosure of Invention

In view of the foregoing, the present utility model provides a radio frequency test probe to solve or alleviate the technical problems in the prior art, and at least provides a beneficial choice.

The technical scheme of the embodiment of the utility model is realized as follows: the radio frequency test probe comprises an outer conductor assembly, wherein the outer conductor assembly comprises a fixed sleeve, a needle sleeve, a spring and a tail connector;

the needle sleeve is arranged at the top of the fixed sleeve, the spring is welded with the top of the fixed sleeve and the bottom of the needle sleeve, and the tail connector is arranged at the bottom of the fixed sleeve;

an inner conductor assembly is arranged on one side of the outer conductor assembly, and comprises a needle head guide sleeve, a needle head coaxial sleeve, a needle tube, a needle head, a needle tail, an inner needle spring and a needle tail coaxial sleeve;

the needle head guiding sleeve is arranged on the inner wall of the needle sleeve, the needle head coaxial sleeve is arranged on the inner wall of the fixing sleeve, the needle tube is arranged on the needle head coaxial sleeve, the needle head is arranged at the top of the needle tube, the needle tail is arranged at the bottom end of the needle tube, the inner needle spring is arranged between the needle tail and the needle tube, and the needle tail coaxial sleeve is fixedly connected on the inner wall of the fixing sleeve.

Further preferably, the fixing sleeve is provided with a fixing portion.

Further preferably, the spring is movably sleeved on the fixed sleeve.

Further preferably, a limiting part is arranged on the inner wall of the fixed sleeve, and a limiting block is arranged on the limiting part.

Further preferably, the needle coaxial sleeve is slidingly connected with the outer side of the needle tube.

Further preferably, the needle tail coaxial sleeve is in sliding connection with the outer side of the needle tail.

Further preferably, one side of the limiting block is fixedly connected with the outer side of the needle tail coaxial sleeve.

Further preferably, the inner wall of the needle guide sleeve is slidably connected to the outer side of the needle.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

the device is fixed through the fixing part firstly and then inserted into the tested product through the needle head guide sleeve, at the moment, the needle tube, the needle head and the needle tail are in a free state and are not pressed down, the needle head guide sleeve is contacted with the tested product, the spring is compressed by external force, and the needle head is contacted with the tested product to start testing, so that the probe is electrically conducted with the tested product, the needle head is separated from the tested product by external force after the testing is finished, and the state of the spring rebounds the probe, so that the high-frequency probe has small impedance and is resistant to loss.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cut-away perspective view of a fixing sleeve according to the present utility model;

FIG. 3 is an enlarged block diagram of area A of FIG. 2 in accordance with the present utility model;

fig. 4 is an enlarged block diagram of the area B of fig. 2 according to the present utility model.

Reference numerals: 1. an outer conductor assembly; 2. a fixed sleeve; 3. a needle sleeve; 4. a spring; 5. a tail joint; 6. a fixing part; 7. an inner conductor assembly; 8. needle guide sleeve; 9. needle coaxial sleeve; 10. a needle tube; 11. a needle; 12. a needle tail; 13. an inner needle spring; 14. the needle tail is coaxial with the sleeve; 15. a limit part; 16. and a limiting block.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, an embodiment of the present utility model provides a radio frequency test probe, which comprises an outer conductor assembly 1, wherein the outer conductor assembly 1 comprises a fixed sleeve 2, a needle sleeve 3, a spring 4 and a tail connector 5;

the needle sleeve 3 is arranged at the top of the fixed sleeve 2, the spring 4 is welded with the top of the fixed sleeve 2 and the bottom of the needle sleeve 3, and the tail joint 5 is arranged at the bottom of the fixed sleeve 2;

one side of the outer conductor component 1 is provided with an inner conductor component 7, and the inner conductor component 7 comprises a needle head guide sleeve 8, a needle head coaxial sleeve 9, a needle tube 10, a needle head 11, a needle tail 12, an inner needle spring 13 and a needle tail coaxial sleeve 14;

the needle head guide sleeve 8 is arranged on the inner wall of the needle sleeve 3, the needle head coaxial sleeve 9 is arranged on the inner wall of the fixed sleeve 2, the needle tube 10 is arranged on the needle head coaxial sleeve 9, the needle head 11 is arranged at the top of the needle tube 10, the needle tail 12 is arranged at the bottom end of the needle tube 10, the inner needle spring 13 is arranged between the needle tail 12 and the needle tube 10, the needle tail coaxial sleeve 14 is fixedly connected on the inner wall of the fixed sleeve 2, the device is firstly fixed through the fixing part 6 through a probe module, then the needle head guide sleeve 8 is inserted on a test product, at the moment, the needle tube 10, the needle head 11 and the needle tail 12 are in a free state and are not pressed down, the needle head 11 is in contact with the test product through the needle head guide sleeve 8, the external force spring 4 is compressed, the needle head 11 is in contact with the test product, thus the probe is electrically conducted, the needle head 11 is separated from the test product through the external force 11, the spring 4 is rebound, the state of the spring 4 is recovered after the test is finished, and the high-frequency probe impedance is small, and the high-loss resistance is realized.

In one embodiment, the fixing sleeve 2 is provided with a fixing portion 6, and the fixing sleeve 2 is fixed by the fixing portion 6, so that the whole device is fixed.

In one embodiment, the spring 4 is movably sleeved on the fixed sleeve 2, and the arrangement of the spring 4 plays a role in automatic resetting.

In one embodiment, the inner wall of the fixed sleeve 2 is provided with a limiting part 15, the limiting part 15 is provided with a limiting block 16, one side of the limiting block 16 is fixedly connected with the outer side of the needle tail coaxial sleeve 14, and the limiting block 16 plays a supporting role.

In one embodiment, the needle coaxial sleeve 9 is slidably connected with the outer side of the needle tube 10, and the needle coaxial sleeve 9 plays a supporting role.

In one embodiment, the needle tail coaxial sleeve 14 is slidably connected to the outer side of the needle tail 12, and the arrangement of the needle tail coaxial sleeve 14 plays a limiting role.

In one embodiment, the inner wall of the needle guide sleeve 8 is slidably connected with the outer side of the needle 11, and then the needle guide sleeve 8 is inserted onto the tested product, at this time, the needle tube 10, the needle 11 and the needle tail 12 are in a free state and are not pressed down, and the needle tube 10, the needle 11 and the needle tail 12 are contacted with the tested product through the needle guide sleeve 8.

The utility model works when in work: during the use, fix the device through the fixed part 6 earlier through a probe module, on the rethread syringe needle uide bushing 8 opposite plug test product, needle tubing 10, syringe needle 11 and needle tail 12 are the free state and do not push down this moment, contact with the test product through syringe needle uide bushing 8, receive external force spring 4 compressed, the probe is just so with the test product after contact with the test product to start the test, the probe just realizes electric conduction with the test product, after the test is accomplished, break away from with the test product through external force syringe needle 11, spring 4 resilience probe state resumes, thereby the high frequency probe impedance that makes is little, the loss-resistant.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A radio frequency test probe comprising an outer conductor assembly (1), characterized in that: the outer conductor assembly (1) comprises a fixed sleeve (2), a needle sleeve (3), a spring (4) and a tail connector (5);

the needle sleeve (3) is arranged at the top of the fixed sleeve (2), the spring (4) is welded with the top of the fixed sleeve (2) and the bottom of the needle sleeve (3), and the tail connector (5) is arranged at the bottom of the fixed sleeve (2);

an inner conductor assembly (7) is arranged on one side of the outer conductor assembly (1), and the inner conductor assembly (7) comprises a needle head guide sleeve (8), a needle head coaxial sleeve (9), a needle tube (10), a needle head (11), a needle tail (12), an inner needle spring (13) and a needle tail coaxial sleeve (14);

needle head uide bushing (8) set up in on the inner wall of needle cover (3), needle head coaxial sleeve (9) set up in on the inner wall of fixed sleeve (2), needle tubing (10) set up in on needle head coaxial sleeve (9), needle head (11) set up in the top of needle tubing (10), needle tail (12) set up in the bottom of needle tubing (10), interior needle spring (13) set up in between needle tail (12) with needle tubing (10), coaxial cover of needle tail (14) fixed connection in on the inner wall of fixed sleeve (2).

2. The radio frequency test probe of claim 1, wherein: the fixing sleeve (2) is provided with a fixing part (6).

3. The radio frequency test probe of claim 1, wherein: the spring (4) is movably sleeved on the fixed sleeve (2).

4. The radio frequency test probe of claim 1, wherein: the inner wall of the fixed sleeve (2) is provided with a limiting part (15), and the limiting part (15) is provided with a limiting block (16).

5. The radio frequency test probe of claim 1, wherein: the needle coaxial sleeve (9) is in sliding connection with the outer side of the needle tube (10).

6. The radio frequency test probe of claim 1, wherein: the needle tail coaxial sleeve (14) is connected with the outer side of the needle tail (12) in a sliding way.

7. The radio frequency test probe of claim 4, wherein: one side of the limiting block (16) is fixedly connected with the outer side of the needle tail coaxial sleeve (14).

8. A radio frequency test probe according to claim 1, wherein: the inner wall of the needle head guide sleeve (8) is connected with the outer side of the needle head (11) in a sliding way.