CN214845399U

CN214845399U - Vertical downward-pressing type screen test fixture

Info

Publication number: CN214845399U
Application number: CN202121235593.1U
Authority: CN
Inventors: 蔡兴杰
Original assignee: Hefei Meiming Electronic Technology Co ltd
Current assignee: Hefei Meiming Electronic Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-23
Anticipated expiration: 2031-06-03

Abstract

The utility model provides a perpendicular push-down screen test fixture, the on-line screen test fixture comprises a base, the tool bottom plate, a handle, the holding down plate, the guide bar, holding down block and PCB board subassembly, this test fixture is through waveing the ascending and decline of handle control holding down plate, put into the screen product that awaits measuring when the holding down plate rises, then operating handle descends to rotate the holding down plate and lets the PCB board pass through the probe and the signal end contact of the screen product that awaits measuring, transmit signal tests the screen, the mode that carries out the transmission signal at PCB board and the screen product that awaits measuring through this perpendicular mode of pushing down causes the loss or the decay of signal extremely low, the product test problem that the part requires height to the signal has been solved.

Description

Vertical downward-pressing type screen test fixture

Technical Field

The utility model relates to a screen test technical field specifically is a perpendicular formula screen test fixture that pushes down.

Background

With the development of science and technology, various electronic products such as mobile phones and tablet computers increasingly adopt various screens as user input devices and image output devices, in order to ensure the product quality, the screens of the electronic products need to be further tested after production and before assembly, so as to ensure the excellent rate of final products, and when the screens are tested, the screens need to be electrified to observe the display condition of the products.

The utility model provides a novel screen test fixture that publication number is CN210293625U, it is through being equipped with the plugboard on the tool bottom plate for the screen can be through plugboard and test instrument electric connection, the screen needs the manual work to detain the row of connection of screen and insert on the connecting plate when testing, because the row of connection of screen detains and has reasons such as certain impedance, cause when the signal passes through, the signal can produce loss and decay, in some products that require severer to the signal, can seriously influence the test of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical push-down screen test fixture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a perpendicular push-down screen test fixture, includes base, tool bottom plate, handle, holding down plate, guide bar, briquetting and PCB board subassembly down, wherein:

install the tool bottom plate on the base, rotate on the base and install the handle, the guide bar is installed to tool bottom plate upper end, but holding down plate moving sleeve is on the guide bar, install briquetting down on hand, the briquetting is located the top of holding down plate down for drive guide bar is pressed down the holding down plate when the handle rotates, install the PCB board subassembly on the holding down plate.

Preferably, a screen fixing module is installed on the jig bottom plate at the lower end of the guide rod, and a fixing groove is formed in the middle of the screen fixing module and used for placing and fixing a screen to be tested.

Preferably, install the screen power supply subassembly on the fixed module of screen, the screen power supply subassembly is by arranging female seat of needle and flexible circuit board, arrange the female seat of needle and install the lower extreme at the fixed module of screen for with the power supply end electric connection in a poor light of the screen that awaits measuring, flexible circuit board and the female seat electric connection of arranging the needle are used for to arranging the female seat power supply of needle.

Preferably, the handle is L-shaped, one end of the handle penetrates through the base, the other end of the handle extends to the outside of the base, and the handle is installed at the end head.

Preferably, the guide rod is sleeved with a spring, one end of the spring is abutted to the lower end of the lower pressing plate, and the other end of the spring is abutted to the upper end of the jig bottom plate.

Preferably, the inner side wall of the base is provided with a stop block, and the handle is fixedly provided with a limit block which is used for contacting with the stop block when the handle rotates to limit the rotation amplitude of the handle.

Preferably, the PCB assembly comprises a PCB and a probe seat module, a probe is installed in the probe seat module, the probe seat module is fixed at the lower end of the lower pressing plate, a PCB groove is formed in the lower pressing plate, the PCB is installed in the PCB groove, and the upper end of the probe in the probe seat module is electrically connected with the PCB.

Preferably, the base at the lower end of the jig bottom plate is in a rising wedge shape.

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

the utility model discloses a wave the ascending and decline of handle control holding down plate, put into the screen product that awaits measuring when the holding down plate rises, then operating handle descends to rotate the holding down plate and lets the PCB board pass through the probe and the signal end contact of the screen product that awaits measuring, transmit signal tests the screen, the mode that the mode pushed down perpendicularly through this causes the loss or the decay of signal at the PCB board and the screen product that awaits measuring to transmit the signal extremely low, the partial product test problem that requires higher to the signal has been solved.

Drawings

FIG. 1 is a schematic view of the overall exploded structure of the present invention;

fig. 2 is a schematic view of the mounting structure of the jig base plate of the present invention;

fig. 3 is a schematic structural diagram of the PCB assembly of the present invention;

FIG. 4 is a schematic bottom structure view of the middle and PCB assembly of the present invention;

fig. 5 is a schematic view of the overall structure of the present invention.

In the figure: the device comprises a base 1, a jig base plate 2, a handle 3, a hold-down plate 4, a guide rod 5, a hold-down block 6, a PCB plate assembly 7, a PCB plate 701, a probe seat module 702, a screen fixing module 8, a fixing groove 81, a screen power supply assembly 9, a needle arranging female seat 901, a flexible circuit board 902, a handle 10, a spring 11, a limiting block 12 and a blocking block 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1 to 5, the present invention provides a technical solution:

the utility model provides a perpendicular push-down screen test fixture, includes base 1, tool bottom plate 2, handle 3, holding down plate 4, guide bar 5, lower briquetting 6, PCB board subassembly 7, the fixed module 8 of screen, screen power supply subassembly 9, handle 10, spring 11, stopper 12 and blocks piece 13, wherein:

the jig base plate 2 is installed on the base 1, the handle 3 is rotatably installed on the base 1, the handle 3 is L-shaped, one end of the handle is installed on the base 1 in a penetrating mode, the other end of the handle extends to the outside of the base 1, the circular handle 10 is installed at the end, the L-shaped handle 3 is labor-saving, people can conveniently rotate the handle 3, the guide rod 5 is installed at the upper end of the jig base plate 2, the guide rod 5 is perpendicular to the surface of the jig base plate 2, the lower pressing plate 4 is movably sleeved on the guide rod 5, the lower pressing plate 4 is arranged in parallel with the surface of the jig base plate 2, the lower pressing plate 4 can lift up and down along the guide rod 5, deviation cannot be generated when the lower pressing plate 4 moves up and down, the spring 11 is sleeved on the guide rod 5, one end of the spring 11 abuts against the lower end of the lower pressing plate 4, the other end of the jig base plate 2, and when the handle 3 rotates to lower pressing plate 4, the spring 11 is compressed at the same time, when the handle 3 is loosened, potential energy stored in the spring 11 is released, the lower pressing plate 4 is reset, and the next operation is facilitated, the lower pressing block 6 is installed on the handle 3, the lower pressing block 6 is located above the lower pressing plate 4 and is used for driving the guide rod 5 to press down the lower pressing plate 4 when the handle 3 rotates, the PCB plate assembly 7 is installed on the lower pressing plate 4, the PCB plate assembly 7 is composed of a PCB 701 and a probe seat module 702, a probe is installed in the probe seat module 702, the probe seat module 702 is fixed at the lower end of the lower pressing plate 4, a PCB groove 71 is formed in the lower pressing plate 4, the PCB 701 is installed in the PCB groove 71, the PCB groove 71 can fix and limit the PCB 701 to move, the upper end of the probe in the probe seat module 702 is electrically connected with the PCB 701, and when a test is performed, a screen product to be tested is put into the lower pressing plate 4 when the lower pressing plate rises, the signal connection end of the screen product to be tested is located under the probe inside the probe seat module 702, then the operating handle 4 rotates, the pressing plate 4 is pressed downwards through the pressing block 6 to enable the PCB 701 to be in contact with the signal end of the screen product to be tested through the probe, signals are transmitted to test the screen, signal loss or attenuation is extremely low in the mode that the signals are transmitted between the PCB and the screen product to be tested through the mode of vertical pressing, and the problem of testing of partial products with high requirements for the signals is solved.

The screen fixing module 8 is mounted on the jig bottom plate 2 at the lower end of the guide rod 5, a fixing groove 81 is formed in the middle of the screen fixing module 8, the fixing groove 81 is used for placing and fixing a screen to be tested, the position of the screen to be tested is more accurate to place, a screen power supply assembly 9 is mounted on the screen fixing module 8, the screen power supply assembly 9 is composed of a pin header 901 and a flexible circuit board 902, the pin header 901 is mounted at the lower end of the screen fixing module 8 and used for being electrically connected with a backlight power supply end of the screen to be tested, one end of the flexible circuit board 902 is electrically connected with the pin header 901, the other end of the flexible circuit board is electrically connected with a power supply, and when the screen is tested, a backlight power supply end of the screen is connected to the pin header 901, so that backlight of the screen is lightened.

Stop block 13 is installed to 1 inside wall of base, be fixed with stopper 12 on the handle 3 for contact with stop block 13 when handle 3 rotates, limit handle 3's rotation range, when handle 3 rotated certain angle, stopper 12 received stopper 12 on the handle 3 blockked and can't continue to rotate, prevent to continuously push down clamp plate 4 and cause the screen damage that awaits measuring down, stopper 12 passes through the screw rod to be fixed on handle 3, and position and angle can be adjusted, base 1 of 2 lower extremes of tool bottom plate are ascending wedge shape, and tool bottom plate 2 is certain inclination, and when the test screen, the screen that awaits measuring also is in the state of slope, both made things convenient for operating personnel to rotate the handle, also conveniently observes the condition of the screen that awaits measuring.

The utility model discloses an application principle: when the handle 4 is not rotated, under the action of the spring 11, the lower pressing plate 4 is in a normal ascending state, at the moment, a screen to be tested is placed in the fixing groove 81 of the screen fixing module 8, a backlight power supply end of the screen is connected to the pin header 901, a signal connecting end of a screen product to be tested is located right below a probe inside the probe holder module 702, then the handle 10 is held to rotate the handle 4, the handle 4 drives the guide rod 5 to press down the pressing plate 4, the PCB 701 and the probe holder module 702 move downwards simultaneously, the probe is contacted with a signal end of the screen product to be tested, the signal transmission process of the PCB 701 and the tested screen product is completed, the screen is tested, after the test is completed, the handle 4 is released, devices such as the lower pressing plate 4 reset, and the like, and the next operation is facilitated.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a perpendicular push-down screen test fixture, includes base (1), tool bottom plate (2), handle (3), holding down plate (4), guide bar (5), briquetting (6) and PCB board subassembly (7), its characterized in that:

install tool bottom plate (2) on base (1), rotate on base (1) and install handle (3), guide bar (5) are installed to tool bottom plate (2) upper end, but holding down plate (4) mobile cover is on guide bar (5), install briquetting (6) down on handle (3), briquetting (6) are located the top of holding down plate (4) down for drive guide bar (5) hold down clamp plate (4) down when handle (3) rotate, install PCB board subassembly (7) on holding down plate (4).

2. The vertical push-down screen test fixture of claim 1, wherein: the screen fixing module (8) is installed on the jig bottom plate (2) at the lower end of the guide rod (5), and a fixing groove (81) is formed in the middle of the screen fixing module (8) and used for placing and fixing a screen to be detected.

3. The vertical push-down screen test fixture of claim 2, wherein: the screen power supply device is characterized in that a screen power supply assembly (9) is installed on the screen fixing module (8), the screen power supply assembly (9) comprises a pin header (901) and a flexible circuit board (902), the pin header (901) is installed at the lower end of the screen fixing module (8) and is electrically connected with a backlight power supply end of a screen to be tested, and the flexible circuit board (902) is electrically connected with the pin header (901) and is used for supplying power to the pin header (901).

4. The vertical push-down screen test fixture of claim 1, wherein: the handle (3) is L-shaped, one end of the handle penetrates through the base (1), the other end of the handle extends to the outside of the base (1), and a handle (10) is installed at the end.

5. The vertical push-down screen test fixture of claim 1, wherein: the guide rod (5) is sleeved with a spring (11), one end of the spring (11) is abutted to the lower end of the lower pressing plate (4), and the other end of the spring (11) is abutted to the upper end of the jig bottom plate (2).

6. The vertical push-down screen test fixture of claim 1, wherein: stop block (13) are installed to base (1) inside wall, be fixed with stopper (12) on handle (3) for contact with stop block (13) when handle (3) rotate, the rotation range of restriction handle (3).

7. The vertical push-down screen test fixture of claim 1, wherein: PCB board subassembly (7) comprises PCB board (701) and probe seat module (702), install the probe in probe seat module (702), probe seat module (702) is fixed at holding down plate (4) lower extreme, be provided with PCB board groove (71) in holding down plate (4), install in PCB board groove (71) PCB board (701), probe seat module (702) inside probe upper end and PCB board (701) electric connection.

8. The vertical push-down screen testing jig according to any one of claims 1 to 7, wherein: the base (1) at the lower end of the jig bottom plate (2) is in a rising wedge shape.