CN219122253U

CN219122253U - Spring plate needle test structure

Info

Publication number: CN219122253U
Application number: CN202223195288.1U
Authority: CN
Inventors: 左可; 丁力; 杨先昭; 邵飞
Original assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Current assignee: Intelligent Automation Equipment Zhuhai Co Ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-06-02
Anticipated expiration: 2032-12-01

Abstract

The utility model aims to provide the shrapnel needle test structure which is convenient to position, high in accuracy and high in test efficiency. The utility model comprises a first floating block, a second floating block, an elastic piece needle module and a third floating block which are sequentially connected in a floating way from top to bottom, wherein the elastic piece needle module comprises an upper needle block, a middle needle block, a lower needle block and three elastic piece needle groups, the upper needle block is connected with the middle needle block, a signal elastic piece is arranged between the upper needle block and the middle needle block, the lower needle block is connected with the middle needle block, the three elastic piece needle groups are all arranged on the upper needle block, the three elastic piece needle groups are all in conductive contact with the signal elastic piece, the second floating block is in floating connection with the upper needle block, the lower needle block is in floating connection with the third floating block, a plurality of positioning convex blocks are arranged at the bottom of the third floating block, and the positioning convex blocks are matched with the inner cavity of a connector to be tested. The utility model relates to the technical field of multi-connector spring pin testing.

Description

Spring plate needle test structure

Technical Field

The application relates to the technical field of multi-connector spring pin testing, in particular to a spring pin testing structure.

Background

BTB connectors, also referred to as board-to-board connectors. The connector product with the strongest transmission capability in all connector product types at present is mainly applied to industries such as power systems, communication networks, financial manufacture, elevators, industrial automation, medical equipment, office equipment, household appliances, military industry manufacture and the like. The board-to-board connector belongs to a connector in a mobile phone and is used for connecting a PCB (printed circuit board) to realize mechanical and electrical connection. Among all the current connector product types, the multi-Pin number and the high-speed transmission function of the board-to-board connector are the most suitable for the requirements of the smart phone connector, the BTB connector may cause open-circuit faults due to poor contact, and when the connection socket or the terminal is polluted by the outside and in different environments, the connection use and the electrical performance of the BTB connector are influenced, so that the mobile phone BTB connector needs to be tested before application.

As electronic products tend to be precise, compact, and lightweight. Many cases of low height and compact multi-connector appear, and when testing the test product of the multi-connector, the space between connectors is too small in the needle setting process, so that each connector cannot be independently floated and positioned, scratch and crush injuries are easy to appear, and the conditions of inaccurate positioning and unstable test are easy to appear.

As disclosed in chinese patent publication No. CN115015597a, this proposal discloses a spring pin test module, when in use, the lower tip 201 of the spring pin 2 contacts with a test point of a test product, the upper tip 201 of the spring pin 2 contacts with a sensor, when the module is pressed down, the test is conducted, and the test data transmission is completed, but this proposal is only suitable for testing signal points with micro-spacing on a single connector, but not suitable for simultaneously testing multiple connectors with micro-spacing.

As disclosed in chinese patent publication No. CN215575293U, this proposal discloses a spring microneedle test module, when in use, a B2B connector needs to be placed in the test slot 8, and when the slider 3 is pressed down, the B2B connector is communicated with the spring microneedle 6 to conduct an electrical signal, but this proposal cannot complete simultaneous testing of multiple connectors at a fine pitch, and only can test a single connector one by one, so that it is also not suitable for testing multiple connectors at a fine pitch.

Disclosure of Invention

The technical problem that this application will solve is overcoming prior art's not enough, provides a convenient location, degree of accuracy height, test efficiency height and can test the shell fragment needle test structure of many connectors of micro-space, solves the shell fragment needle test structure of current connector test and fixes a position inaccurately, test efficiency is low and many connector interval are little difficult for detecting scheduling problem.

The technical scheme adopted by the application is as follows: the utility model provides a first slider, second slider, shell fragment needle module and the third slider that from top to bottom in proper order floating connection, the shell fragment needle module includes needle piece, well needle piece, lower needle piece and three shell fragment needle group, go up the needle piece with well needle piece is connected, the signal shell fragment sets up go up the needle piece with between the well needle piece, lower needle piece with well needle piece is connected, three shell fragment needle group all sets up on the needle piece, three shell fragment needle group all with the signal shell fragment is conducted and is contacted, the second slider with go up needle piece floating connection, lower needle piece with third slider floating connection, third slider bottom is provided with a plurality of positioning lug, positioning lug cooperatees with the connector inner chamber that awaits measuring.

In a preferred embodiment, the mutual arrangement interval of the three elastic sheet needle groups is not more than 1.5mm.

The elastic piece needle group comprises an elastic piece needle rubber core arranged on the upper needle block, and a plurality of elastic piece needles are arranged on the elastic piece needle rubber core in an arrayed mode.

In one preferred scheme, the first floating blocks are in limit connection with the second floating blocks through a plurality of first equal-height screws, and a plurality of first springs are further arranged between the first floating blocks and the second floating blocks.

The first floating block is in limiting connection with the upper needle block through a plurality of first equal-height screws, and a plurality of first springs are arranged between the first floating block and the upper needle block.

In a preferred scheme, a plurality of locating pins are arranged at the bottom of the second floating block, and the locating pins are in limit fit with the connector to be tested.

In one preferred scheme, the lower needle block is in limiting connection with the third floating block through a plurality of third equal-height screws, and a plurality of third springs are further arranged between the lower needle block and the third floating block.

The bottom of the lower needle block is provided with three complex positioning blocks respectively matched with the three elastic piece needle groups, and the third floating block is provided with positioning empty slots respectively matched with the three complex positioning blocks.

The beneficial effects of the utility model are as follows:

1. the bottom of the third floating block is provided with a plurality of positioning convex blocks, and the positioning convex blocks and the elastic sheet needle group form secondary positioning and limiting, so that the testing precision can be further improved when the multi-connector is tested, the multi-connector synchronous testing device can realize the simultaneous testing of a plurality of connectors with micro spacing, and the situation that the elastic sheet needle is misplaced or misplaced is avoided, thereby realizing the synchronous and accurate testing of the multi-connector;

2. the multi-layer floating structure can effectively ensure the positioning direction and the safety during testing;

3. one of the connectors is precisely positioned so as to position the other two connectors, and positioning and needle setting are completed in a limited space;

4. the utility model can avoid the damage to the product caused by the over positioning of each connector in the test process;

5. the utility model realizes the needle-down test of three connectors under the condition that the space between the three connectors to be tested is 1.5mm at minimum.

Drawings

FIG. 1 is a schematic view of a first perspective of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a second perspective of the three-dimensional structure of the present utility model;

FIG. 3 is a schematic view of a third perspective of the three-dimensional structure of the present utility model;

fig. 4 is an exploded view of a three-dimensional structure of the present utility model.

Detailed Description

For a clearer understanding of the features and advantages of the present application, the present application is further illustrated by way of example with reference to fig. 1-2. In this embodiment, this application includes first slider 1, second slider 2, shell fragment needle module 3 and the third slider 4 that from top to bottom float and connect gradually, its characterized in that, shell fragment needle module 3 includes upper needle piece 31, signal shell fragment 32, well needle piece 33, lower needle piece 34 and three shell fragment needle group 35, upper needle piece 31 with well needle piece 33 is connected, signal shell fragment 32 sets up upper needle piece 31 with between the well needle piece 33, lower needle piece 34 with well needle piece 33 is connected, three shell fragment needle group 35 all sets up on the upper needle piece 31, three shell fragment needle group 35 all with signal shell fragment 32 makes conductive contact, second slider 2 with upper needle piece 31 floats and is connected, lower needle piece 34 with third slider 4 floats and is connected, third slider 4 bottom is provided with a plurality of locating lugs 41 are surveyed and are connected with the apparatus to be tested and are connected with the inner chamber 41.

In this embodiment, the mutual setting interval of the three spring pin sets 35 is not more than 1.5mm, and the interval between the micro-pitch multi-connectors is very small, so the interval between the spring pin sets 34 is also limited, so that the spring pin sets 35 are better matched with the connectors during testing.

In this embodiment, the elastic pin group 35 includes an elastic pin core 351 disposed on the upper pin block 31, a plurality of elastic pins 352 are disposed on the elastic pin core 351 in an arrayed manner, and the elastic pin core 351 is a carrier for mounting the elastic pins 352, because the number of signal contacts on the connector is very large, the elastic pin core 351 is required to regularly arrange and fix a plurality of the elastic pins 352, so that the test stability of the elastic pins 352 is improved.

In this embodiment, the first slider 1 is in limited connection with the second slider 2 through a plurality of first equal-height screws 11, and a plurality of first springs 12 are further disposed between the first slider 1 and the second slider 2, so as to improve the floating effect between the first slider 1 and the second slider 2, and prevent hard crush injuries during testing.

In this embodiment, the second slider 2 is in spacing connection with the upper needle block 31 through a plurality of second equal-height screws 21, and a plurality of second springs 22 are further disposed between the second slider 2 and the upper needle block 31, so as to improve the floating effect between the second slider 2 and the upper needle block 31, and prevent hard crush injury during testing.

In this embodiment, a plurality of locating pins 23 are disposed at the bottom of the second slider 2, and the locating pins 23 are in limit fit with the connector to be tested, so that accuracy during pressing is improved, deviation in the pressing process is prevented, and testing cannot be completed.

In this embodiment, the lower needle block 34 is in limited connection with the third slider 4 through a plurality of third screws 42 with equal height, and a plurality of third springs 43 are further disposed between the lower needle block 34 and the third slider 4, so as to improve the floating effect between the lower needle block 34 and the third slider 4, and prevent hard crush injury during testing.

In this embodiment, three complex positioning blocks 341 respectively matched with three elastic sheet needle groups 35 are disposed at the bottom of the lower needle block 34, and positioning empty slots respectively matched with three complex positioning blocks 341 are disposed on the third slider 4, so that the lower needle accuracy of the elastic sheet needle 352 during testing is improved, and the risk of firing pin and misplug is prevented.

The working principle of the application is as follows:

according to the positioning device, the first floating block 1 is fixed through the limiting of the first equal-height screw 11, the first floating block 1 and the second floating block 2 are connected through the limiting of the second equal-height screw 21, a plurality of positioning pins 23 are arranged at the bottom of the second floating block 2 and used for positioning a test connector, the third floating block 4 is used for guiding a needle block during testing, the third floating block 4 is provided with a positioning lug 41 used for positioning a connector cavity, each elastic piece needle group 35 is used for testing one connector, the minimum distance between the elastic piece needle groups 35 and the elastic piece needle groups 35 is 1.5mm, three connectors are positioned by taking one connector as a reference through the positioning lug 41 for positioning the connector cavity, so that the positioning effect of high efficiency, accuracy and convenience is achieved, the testing difficulty of a plurality of micro-spacing connectors is solved, and the testing efficiency is improved.

While the examples of this application are described in terms of practical aspects, they are not to be construed as limiting the meaning of this application, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.

Claims

1. The utility model provides a shell fragment needle test structure, it includes by last first slider (1) that connects gradually floating, second slider (2), shell fragment needle module (3) and third slider (4) down, its characterized in that, shell fragment needle module (3) are including last needle piece (31), signal shell fragment (32), well needle piece (33), lower needle piece (34) and three shell fragment needle group (35), go up needle piece (31) with well needle piece (33) are connected, signal shell fragment (32) set up go up needle piece (31) with between well needle piece (33), lower needle piece (34) with well needle piece (33) are connected, and three shell fragment needle group (35) all set up on going up needle piece (31), three shell fragment needle group (35) all with signal shell fragment (32) are conducted the contact, second slider (2) with go up needle piece (31) are connected in a floating, lower needle piece (34) with three slider (33) are connected with slider (4) are connected with a plurality of positioning lug (41) and are measured to be connected with the lug (4).

2. A shrapnel needle test structure as claimed in claim 1, wherein the three shrapnel needle sets (35) are arranged at intervals of not more than 1.5mm from each other.

3. The spring pin testing structure according to claim 1, wherein the spring pin set (35) comprises a spring pin core (351) and a plurality of spring pins (352) arranged on the spring pin core (351).

4. The shrapnel needle test structure according to claim 1, wherein the first slider (1) and the second slider (2) are in limit connection through a plurality of first equal-height screws (11), and a plurality of first springs (12) are further arranged between the first slider (1) and the second slider (2).

5. The shrapnel needle test structure according to claim 1, wherein the second floating block (2) is in limit connection with the upper needle block (31) through a plurality of second equal-height screws (21), and a plurality of second springs (22) are further arranged between the second floating block (2) and the upper needle block (31).

6. The spring pin testing structure according to claim 1, wherein a plurality of positioning pins (23) are arranged at the bottom of the second floating block (2), and the positioning pins (23) are in limit fit with the connector to be tested.

7. The shrapnel needle test structure according to claim 1, wherein the lower needle block (34) is in limit connection with the third floating block (4) through a plurality of third equal-height screws (42), and a plurality of third springs (43) are further arranged between the lower needle block (34) and the third floating block (4).

8. The spring pin testing structure according to claim 1, wherein three complex positioning blocks (341) respectively matched with three spring pin groups (35) are arranged at the bottom of the lower pin block (34), and positioning empty slots respectively matched with the three complex positioning blocks (341) are arranged on the third floating block (4).