CN215339976U

CN215339976U - Linkage pressure connection test tool

Info

Publication number: CN215339976U
Application number: CN202121444195.0U
Authority: CN
Inventors: 蔡兴杰
Original assignee: Hefei Meiming Electronic Technology Co ltd
Current assignee: Hefei Meiming Electronic Technology Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-28
Anticipated expiration: 2031-06-28

Abstract

The utility model provides a linkage compression joint test tool which comprises a lower clamping plate, an upper clamping plate, a needle die assembly, a prepressing block, a bird's beak type buckle I, a bird's beak type buckle II, an upper pressing block, a connecting rod and a flexible circuit board. Through the FPC pressure that will await measuring the display screen of briquetting on needle module, overturn the punch holder after that and make punch holder and lower plate laminating and by beak formula buckle locking, punch holder and pre-compaction piece and FPC contact so reach the effect of the thimble intercommunication on FPC and the needle module, wherein open for a key between beak formula buckle and the punch holder, and then convenient operation, improvement efficiency of software testing.

Description

Linkage pressure connection test tool

Technical Field

The utility model relates to the technical field of test fixtures, in particular to a linkage pressure connection test fixture.

Background

In order to effectively ensure the quality of the display panel, a technician performs a series of performance tests, such as a lighting test, a Gamma Tuning test, and the like, on the display panel during the production process of the display panel, wherein the tests all require the conduction device to be connected to the FPC on the display panel, so as to achieve the conduction of the display panel.

Publication No. CN209000508U discloses a display panel switches on frock, which comprises a bracket, and the support includes roof and bottom plate, is provided with the carrier on the roof, is provided with the spacing fixed knot structure that is used for fixing a position LCD screen on the carrier and is used for dodging FPC's hole, is provided with the triangular support structure that the slope was arranged between roof and the bottom plate, and bearing structure arranges in the below in hole, triangular support structure one end and bottom plate rigid coupling, the other end and roof overlap joint, the last rigid coupling of bearing structure has the device that switches on that is used for connecting FPC.

Above-mentioned prior art communicates FPC and circular telegram needle mould subassembly through the mode of directly pressing, needs to press many times for make the golden finger on the FPC communicate with the probe on the needle mould subassembly, and efficiency of software testing is lower so.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a linkage pressure connection testing tool to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a linkage pressure joint test fixture, includes lower plate, punch holder, needle die assembly, briquetting in advance, beak formula buckle I, beak formula buckle II, goes up briquetting, connecting rod and flexible circuit board, wherein:

the punch holder articulates on the lower plate, and needle module lie in the lower plate and with flexible circuit board electric connection, the briquetting rotates the installation in advance and is used for pressing the FPC on the display screen on the lower plate on needle module, beak formula buckle I and beak formula buckle II lie in the both sides of lower plate and can overturn, and beak formula buckle I and beak formula buckle II are used for blocking the punch holder when the punch holder closes the lower plate, and II interconnect of beak formula buckle I and beak formula buckle, the punch holder lies in the punch holder, and punch holder closes punch holder and pre-compaction piece contact when the lower plate.

Preferably, beak formula buckle I and beak formula buckle II all articulate on the lower plate, and beak formula buckle I passes through the connecting rod with beak formula buckle II and is connected.

Preferably, one side of punch holder is equipped with the draw-in groove with I joint of beak formula buckle, and the opposite side is equipped with the draw-in groove with II joints of beak formula buckle.

Preferably, the prepressing block is provided with a prepressing rod for pressing the FPC on the display screen on the needle die assembly.

Preferably, the upper pressing block is provided with a placing groove matched with the pre-pressing rod.

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

according to the utility model, the FPC of the display screen to be tested is pressed on the needle die assembly through the pre-pressing block, then the upper clamping plate is turned over to enable the upper clamping plate to be attached to the lower clamping plate and locked by the beak-shaped buckle, then the upper pressing block is contacted with the pre-pressing block and the FPC, the effect of communicating the FPC with the ejector pins on the needle die assembly is achieved, wherein the beak-shaped buckle and the upper clamping plate are opened by one key, so that the operation is convenient, and the testing efficiency is improved.

Drawings

Fig. 1 is a three-dimensional schematic view of the overall structure of the present invention.

Fig. 2 is a rear view of the overall structure of the present invention.

Fig. 3 is a three-dimensional schematic view of the upper splint combined with the lower splint.

In the figure: 1 lower plate, 2 punch holder, 3 needle module subassemblies, 4 briquetting in advance, 5 bird's beak formula buckle I, 6 bird's beak formula buckle II, 7 briquetting, 8 connecting rods, 9 flexible circuit board, 21 draw-in grooves, 41 pre-compression pole.

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.

Example (b):

referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a linkage pressure joint test fixture, includes lower plate 1, punch holder 2, needle mould subassembly 3, pre-compaction piece 4, beak formula buckle I5, beak formula buckle II 6, goes up briquetting 7, connecting rod 8 and flexible circuit board 9, wherein:

the upper clamping plate 2 is hinged on the lower clamping plate 1, so that the upper clamping plate 2 can turn around a hinged point to further realize that the upper clamping plate 2 is connected on the lower clamping plate 1, the needle die assembly 3 is positioned on the lower clamping plate 1 and is electrically connected with the flexible circuit board 9, wherein the needle die assembly 3 is a socket with a probe, the FPC on a display screen to be tested can be subjected to lighting test on the display screen after being communicated with the probe on the needle die assembly 3, the prepressing block 4 is rotatably arranged on the lower clamping plate 1, the prepressing block 4 is provided with a prepressing rod 41 for pressing the FPC on the display screen on the needle die assembly 3, the prepressing rod 41 presses the FPC on the display screen on the needle die assembly 3 when the upper clamping plate 2 is connected on the lower clamping plate 1, and further realize the prepressing effect, the beak type buckle I5 and the beak type buckle II 6 are positioned on two sides of the lower clamping plate 1, in particular, the beak type buckle I5 and the beak type buckle II 6 are both hinged on the lower clamping plate 1, and then the beak type buckle I5 and the beak type buckle II 6 can be turned over under the action of external force, and the beak type buckle I5 and the beak type buckle II 6 are connected through the connecting rod 8, so that the linkage arrangement of the beak type buckle I5 and the beak type buckle II 6 is realized, one side of the upper clamp plate 2 is provided with a clamping groove 21 clamped with the beak type buckle I5, the other side is provided with a clamping groove 21 clamped with the beak type buckle II 6, and then the beak type buckle I5 and the beak type buckle II 6 can clamp the upper clamp plate 2 when the upper clamp plate 2 is combined on the lower clamp plate 1, and further the cover closing effect is realized, the upper press block 7 is positioned on the upper clamp plate 2, the upper press block 7 is contacted with the pre-pressing block 4 when the upper clamp plate 2 is combined on the lower clamp plate 1, and further the effect of complete pressing and communication of the PCB is realized, the upper press block 7 is provided with a placing groove combined with the rod 41, so that the pre-pressing rod 41 can be combined with the placing groove on the upper press block 7 when the upper clamp plate 2 is combined on the lower clamp plate 1, thereby avoiding motion interference.

The use principle is as follows: butting an FPC (flexible printed circuit) of a display screen to be tested with a needle die assembly 3, pressing the FPC on the needle die assembly 3 to realize prepressing by turning a prepressing block 4, wherein the prepressing rod 41 is in contact with the FPC in the prepressing process, then turning an upper clamping plate 2 to enable the upper clamping plate 2 to be attached to a lower clamping plate 1, at the moment, a beak type buckle I5 and a beak type buckle II 6 on two sides of the lower clamping plate 1 are respectively clamped in clamping grooves 21 on two sides of the upper clamping plate 2, further fixing the upper clamping plate 2 on the lower clamping plate 1, as shown in figure 3 in particular, at the moment, an upper pressing block 7 on the upper clamping plate 2 is in contact with the FPC to achieve the effect of pressing each area of the FPC, then, a golden finger on the FPC is communicated with a probe of the needle die assembly 3, and at the moment, the display screen is subjected to lighting test;

when taking out FPC, press beak formula buckle I5 for beak formula buckle I5 breaks away from the draw-in groove 21 rather than the contact, and the upset is also realized to beak formula buckle II 6 under the drive of connecting rod 8, and then beak formula buckle II 6 breaks away from the draw-in groove 21 rather than the contact, and the upset can be realized to punch holder 2 this moment, and then takes out the test that FPC accomplished the display screen.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a linkage pressure joint test fixture, includes lower plate (1), punch holder (2), needle module spare (3), briquetting (4), beak formula buckle I (5), beak formula buckle II (6), goes up briquetting (7), connecting rod (8) and flexible circuit board (9), its characterized in that:

the utility model discloses a display screen's FPC is including punch holder (2), punch holder (2) articulated on punch holder (1), and needle module (3) be located punch holder (1) and with flexible circuit board (9) electric connection, prepressing block (4) rotate to be installed and be used for pressing the FPC on the display screen on punch holder (1) on needle module (3), beak formula buckle I (5) and beak formula buckle II (6) are located the both sides of punch holder (1) and can overturn, and beak formula buckle I (5) and beak formula buckle II (6) are used for blocking punch holder (2) when punch holder (2) close punch holder (1), and beak formula buckle I (5) and beak formula buckle II (6) interconnect, punch holder (7) are located punch holder (2), punch holder (2) when closing punch holder (1) and prepressing block (4) contact.

2. The linkage pressure testing tool according to claim 1, characterized in that: bird's beak formula buckle I (5) and bird's beak formula buckle II (6) all articulate on lower plate (1), and bird's beak formula buckle I (5) are connected through connecting rod (8) with bird's beak formula buckle II (6).

3. The linkage pressure testing tool according to claim 2, characterized in that: one side of punch holder (2) is equipped with draw-in groove (21) with beak formula buckle I (5) joint, and the opposite side is equipped with draw-in groove (21) with beak formula buckle II (6) joint.

4. The linkage pressure testing tool according to claim 1, characterized in that: the pre-pressing block (4) is provided with a pre-pressing rod (41) used for pressing the FPC on the display screen onto the needle die assembly (3).

5. The linkage pressure testing tool according to claim 4, characterized in that: and a placing groove matched with the pre-pressing rod (41) is arranged on the upper pressing block (7).