CN221446174U

CN221446174U - PCB detection probe

Info

Publication number: CN221446174U
Application number: CN202323108395.0U
Authority: CN
Inventors: 孙远标; 朱孟才; 王帅军
Original assignee: Kunshan Nilente Electronic Technology Co ltd
Current assignee: Kunshan Nilente Electronic Technology Co ltd
Priority date: 2023-11-17
Filing date: 2023-11-17
Publication date: 2024-07-30
Anticipated expiration: 2033-11-17

Abstract

The utility model discloses a PCB detection probe, which comprises a needle head, wherein one end of the needle head is provided with a needle sleeve, one end of the needle sleeve is provided with a connector, the needle sleeve comprises a main sleeve, one end of the main sleeve is provided with a screwing head, the connector comprises a main rod, one end of the main rod is provided with a screwing seat, and the screwing head is screwed on the outer side of the screwing seat; one end of the main rod is provided with a compression rod, and the other end of the main rod is provided with a connecting plate; a spring is arranged in the main sleeve, one end of the pressing rod is pressed on the spring, and one end of the needle is pressed on the other end of the spring; through connector and needle cover of design, through the connection of closing the head soon with closing the seat soon, when needs change the syringe needle, only need unscrew close the head soon with close the seat soon can, more convenient when carrying out the dismouting.

Description

PCB detection probe

Technical Field

The utility model belongs to the technical field of PCB detection, and particularly relates to a PCB detection probe.

Background

The probe is a test needle for testing PCBA, the surface of the probe is gold-plated, and the inside of the probe is provided with a high-performance spring with the average service life of 3-10 ten thousand times. Probes can be classified into according to the use of electronic testing: A. optical circuit board test probe: the circuit board test and the open circuit and short circuit detection probes before the components are not installed can replace imported products by most of the domestic probe products; B. on-line test probe: detecting probes after components are installed on the PCB; the core technology of the high-end product is mastered in the hands of foreign companies, and partial domestic probe products are successfully developed and can replace imported probe products; C. microelectronic test probes: i.e., wafer test or chip I C inspection probes;

At present, the PCB detection needs to adopt various probes, so that the detection of various probes is convenient, various probes are required to be prepared during the use, the probes of the probes are inconvenient to replace, and the probes of the probes can shake to influence the detection due to long-term use, so that the PCB detection probes are required to be designed to solve the problems.

Disclosure of utility model

The present utility model is directed to a PCB inspection probe, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PCB detects probe, includes the syringe needle, the one end of syringe needle is provided with the needle cover, the one end of needle cover is provided with the connector, the needle cover includes the main cover, the one end of main cover is provided with soon closes the head, the connector includes the mobile jib, the one end of mobile jib is provided with soon closes the seat, soon closes the head soon and closes the outside at soon closing the seat.

Preferably, one end of the main rod is provided with a compression rod, and the other end of the main rod is provided with a connecting plate.

Preferably, a spring is arranged in the main sleeve, one end of the pressing rod is pressed on the spring, and one end of the needle is pressed on the other end of the spring.

Preferably, one end of the needle sleeve is provided with a mounting opening, and the needle head is mounted in the mounting opening.

Preferably, the needle head comprises a probe, one end of the probe is provided with a limiting seat, one side of the limiting seat is provided with a connecting rod, one end of the connecting rod is provided with a guide seat, and the limiting seat is clamped at one end of the main sleeve.

Preferably, the inner side of the main sleeve is provided with a hexagonal inner cavity, the shape of the guide seat is provided with a hexagon, and the inner cavity of the main sleeve is in interference fit with the guide seat.

Compared with the prior art, the utility model has the beneficial effects that:

1. Through connector and needle cover of design, through the connection of closing the head soon with closing the seat soon, when needs change the syringe needle, only need unscrew close the head soon with close the seat soon can, more convenient when carrying out the dismouting.

2. Through the guide holder and the main cover of design, hexagon structure and guide holder's direction in the main cover when using makes connecting rod and guide holder slide more stably in the needle cover, reduces and appears long-term use the back syringe needle and appear rocking the phenomenon.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the needle hub according to the present utility model;

FIG. 3 is a schematic view of a connector structure according to the present utility model;

FIG. 4 is a schematic view of a needle structure of the present utility model;

FIG. 5 is a schematic top view of the needle hub of the present utility model;

In the figure: 1. a connector; 2. a needle sleeve; 3. a needle; 4. a main sleeve; 5. a mounting port; 6. a spring; 7. a screwing head; 8. a screwing seat; 9. a tightening rod; 10. a main rod; 11. a connecting plate; 12. a probe; 13. a limit seat; 14. a connecting rod; 15. a guide seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

Referring to fig. 1 to 5, the present utility model provides a technical solution: the PCB detection probe comprises a needle head 3, wherein one end of the needle head 3 is provided with a needle sleeve 2, one end of the needle sleeve 2 is provided with a connector 1, the needle sleeve 2 comprises a main sleeve 4, one end of the main sleeve 4 is provided with a screwing head 7, the connector 1 comprises a main rod 10, one end of the main rod 10 is provided with a screwing seat 8, the screwing head 7 is screwed on the outer side of the screwing seat 8, and the needle sleeve 2 and the connector 1 are quickly installed through screwing the screwing head 7 and the screwing seat 8, so that when the needle head 3 with different shapes is needed in use, the assembly, disassembly and the replacement are convenient and quick; one end of the main rod 10 is provided with a compression rod 9, and the other end of the main rod 10 is provided with a connecting plate 11, so that the compression rod 9 on the main rod 10 is conveniently arranged in the needle sleeve 2 during use; a spring 6 is arranged in the main sleeve 4, one end of a compression rod 9 is compressed on the spring 6, one end of the needle head 3 is compressed on the other end of the spring 6, and the compression rod 9 passes through the spring 6 through a connecting wire to be connected with one end of the needle head 3; one end of the needle sleeve 2 is provided with a mounting opening 5, and the needle head 3 is mounted in the mounting opening 5, so that the needle head 3 is conveniently mounted for use during use.

From the above description, the present utility model has the following advantageous effects: through the connection of the screwing head 7 and the screwing seat 8, when the needle head 3 needs to be replaced, the screwing head 7 and the screwing seat 8 only need to be unscrewed, and the disassembly and the assembly are more convenient.

Embodiment two:

Referring to fig. 1 to 5, on the basis of the first embodiment, the present utility model provides a technical solution: the needle 3 comprises a probe 12, one end of the probe 12 is provided with a limit seat 13, one side of the limit seat 13 is provided with a connecting rod 14, one end of the connecting rod 14 is provided with a guide seat 15, the limit seat 13 is clamped at one end of the main sleeve 4, and the needle 3 is more stable in use through the positioning of the limit seat 13 and the guide of the guide seat 15; the inboard of main cover 4 sets up to the hexagon inner chamber, and the shape of guide holder 15 sets up to the hexagon, and the inner chamber of main cover 4 adopts interference fit with guide holder 15, and guide holder 15 direction slip is more stable when the use.

By adopting the technical scheme, the hexagonal structure in the main sleeve 4 and the guiding of the guide seat 15 enable the connecting rod 14 and the guide seat 15 to slide in the needle sleeve 2 more stably when in use, and the phenomenon that the needle head 3 shakes after long-term use is reduced.

The working principle and the using flow of the utility model are as follows: during use, the needle head 3 is inserted into the needle sleeve 2, the probe 12 passes through the mounting opening 5 through the limiting seat 13, then the spring 6 is placed into the main sleeve 4, the pressing rod 9 is inserted into the main sleeve 4 and pressed on the spring 6, the needle head 3 is stably installed through screwing the screwing head 7 and the screwing seat 8, the needle head 3 is on the PCB during use, the probe 12 slides and retracts through the elastic force of the spring 6, the abrasion of the needle head 3 to the PCB caused by overlarge force is reduced, and the needle head 3 is more stable through the guiding of the guide seat 15.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.

Claims

1. A PCB inspection probe, characterized in that: including syringe needle (3), the one end of syringe needle (3) is provided with needle cover (2), the one end of needle cover (2) is provided with connector (1), needle cover (2) are including main cover (4), the one end of main cover (4) is provided with closes head (7) soon, connector (1) include mobile jib (10), the one end of mobile jib (10) is provided with closes seat (8) soon, close head (7) soon closes in the outside that closes seat (8) soon.

2. A PCB inspection probe according to claim 1, wherein: one end of the main rod (10) is provided with a compression rod (9), and the other end of the main rod (10) is provided with a connecting plate (11).

3. A PCB inspection probe according to claim 2, wherein: the inside of main cover (4) is provided with spring (6), sticis on spring (6) of one end of sticis pole (9), the one end of syringe needle (3) sticis the other end at spring (6).

4. A PCB inspection probe according to claim 1, wherein: one end of the needle sleeve (2) is provided with a mounting opening (5), and the needle head (3) is mounted in the mounting opening (5).

5. A PCB inspection probe according to claim 1, wherein: the needle (3) comprises a probe (12), one end of the probe (12) is provided with a limiting seat (13), one side of the limiting seat (13) is provided with a connecting rod (14), one end of the connecting rod (14) is provided with a guide seat (15), and the limiting seat (13) is clamped at one end of the main sleeve (4).

6. A PCB inspection probe according to claim 1, wherein: the inner side of the main sleeve (4) is provided with a hexagonal inner cavity, the shape of the guide seat (15) is provided with a hexagon, and the inner cavity of the main sleeve (4) is in interference fit with the guide seat (15).