CN218524796U

CN218524796U - Integrated circuit board circuit resistance test fixture

Info

Publication number: CN218524796U
Application number: CN202222927173.0U
Authority: CN
Inventors: 卢召; 吴建红; 付定波
Original assignee: Dongguan Yongsheng Electronics Co ltd
Current assignee: Dongguan Yongsheng Electronics Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-02-24
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to a circuit board test field especially relates to an integrated circuit board circuit resistance test fixture. The utility model provides a can fix a position when testing the resistance and ajust to can fix the integrated circuit board circuit resistance test fixture who goes on to the circuit board. The utility model provides a such integrated circuit board circuit resistance test fixture, including workstation, display screen, adjust knob, survey test panel and test stitch, open the charging chute in workstation upper portion inboard, the display screen is installed to workstation upper portion front side, and workstation front side rotation type is provided with adjust knob, and adjust knob is connected with the display screen electricity, and the test panel that workstation upper portion slidingtype was provided with surveys test panel, surveys test panel bottom even interval rigid coupling and has the test stitch that is used for the test circuit board resistance. The staff loosens the slide bar after placing the circuit board, drives L shape ejector pad through the resilience of third elastic component and resets, puts the circuit board right, prevents that the test stitch from to the inaccurate position.

Description

Integrated circuit board circuit resistance test fixture

Technical Field

The utility model relates to a circuit board test field especially relates to an integrated circuit board circuit resistance test fixture.

Background

At present, the use of integrated circuit boards is more and more extensive, and when each equipment system is used, the resistance of the circuit board also needs to be strictly tested, but in the field of testing the resistance of the circuit board, the testing mode and effect are relatively inaccurate, so that the cost is increased.

The patent with patent publication No. CN204044247U discloses a resistance tester for a flexible circuit board, which comprises a testing machine, wherein the testing machine comprises a testing table, a lower testing panel and an upper testing panel are respectively fixed on a lower die and an upper die, testing needles corresponding to the circuit board are respectively fixed on the lower testing panel and the upper testing panel, and the testing needles are respectively electrically connected with a flat cable; the connector is provided with a horn joint which is inserted and connected with the flat cable; resistance tester, resistance tester's signal end passes through the wire and connects adapter, resistance tester include resistance test module and display module, a resistance comparison module is connected to resistance test module, the output of resistance comparison module connect display module, above-mentioned patent has set up the tester that can test circuit board resistance in batches specially, convenient operation has improved detection efficiency, but can't fix the circuit board when testing the resistance, also can't carry out accurate positioning and just.

Therefore, it is necessary to provide a fixture for testing the resistance of the circuit of the integrated circuit board, which can be positioned and aligned when testing the resistance and can fix the circuit board.

SUMMERY OF THE UTILITY MODEL

Although having set up the tester that can test circuit board resistance in batches specially in order to overcome above-mentioned patent, convenient operation has improved detection efficiency, can't fix the circuit board when testing the resistance, also can't carry out the shortcoming of accurate positioning and ajusting, and technical problem is: the integrated circuit board circuit resistance value test fixture can be positioned and aligned when testing the resistance value and can fix a circuit board.

The utility model discloses a following technical approach realizes: the utility model provides an integrated circuit board circuit resistance test fixture, including the workstation, the display screen, adjust knob, survey test panel and test stitch, open the blowing groove in workstation upper portion inboard, the display screen is installed to workstation upper portion front side, the rotatory formula in workstation front side is provided with adjust knob, adjust knob is connected with the display screen electricity, the test panel that workstation upper portion slidingtype was provided with, it has the test stitch that is used for the test circuit board resistance to survey the even interval rigid coupling in test panel bottom, the test stitch is connected with adjust knob electricity.

Further, still including support frame, connecting rod, fixture block and first elastic component, workstation top rear side rigid coupling has the support frame, and the support frame front side sliding type is provided with the connecting rod, and connecting rod bottom rigid coupling has the fixture block, and the cover has the first elastic component that is used for restoring to the throne on the connecting rod, and first elastic component both ends are connected with support frame and fixture block respectively.

Furthermore, the test board further comprises guide rods and second elastic pieces, three guide rods are arranged on the fixture block in a sliding mode at even intervals, the bottoms of the guide rods are fixedly connected with the test board, the second elastic pieces used for resetting are sleeved on the guide rods, and two ends of each second elastic piece are connected with the test board and the fixture block respectively.

Further, the sliding type correcting device comprises sliding rods, L-shaped pushing blocks and a third elastic piece, wherein the two sliding rods are arranged on the left side and the right side of the upper portion of the workbench in a sliding mode, the L-shaped pushing blocks used for righting are fixedly connected to one sides, close to each other, of the two sliding rods, the third elastic piece is sleeved on the sliding rods, and two ends of the third elastic piece are connected with the workbench and the L-shaped pushing blocks respectively.

Furthermore, the limiting device also comprises a limiting block, and the rear side of the top of the workbench is fixedly connected with the limiting block for limiting.

Further, still including buffer board, fourth elastic component, the feed trough internal sliding type is provided with and is used for placing the circuit board buffer board, and even interval connection has the fourth elastic component that is used for buffering the circuit board between buffer board bottom and the workstation.

The above-mentioned right has been adopted the utility model discloses the description of structure can know, the utility model discloses a design departure point, theory and advantage are: 1. the staff loosens the slide bar after placing the circuit board, drives L shape ejector pad through the resilience of third elastic component and resets, puts the circuit board right, prevents that the test stitch from to the inaccurate position.

2. After the circuit board is placed, the sliding rod is loosened by a worker, the circuit board is straightened by the L-shaped pushing block, the rear side of the circuit board is limited by the limiting block, and the test pin and the test point position of the circuit board are not accurately butted during testing, so that the circuit board can be effectively fixed by the device when the circuit board is laterally butted.

3. When the test board is pressed down, the fourth elastic piece at the bottom of the buffer board buffers the circuit board, so that the circuit board is prevented from being damaged during testing.

Drawings

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

Fig. 2 is the utility model discloses survey test panel and test stitch's vertical structure schematic diagram.

Fig. 3 is the schematic structural diagram of the support frame, the connecting rod and the fixture block in the same three-dimensional sectional view.

Fig. 4 is a schematic view of the three-dimensional structure of the sliding rod, the L-shaped pushing block and the limiting block of the present invention.

Fig. 5 is the utility model discloses a three-dimensional sectional structure schematic diagram of workstation, stopper and buffer board.

Part names and serial numbers in the figure: 1_ workbench, 101_ discharging groove, 2_ display screen, 3_ adjusting knob, 4_ testing board, 5_ testing pin, 6_ supporting frame, 7_ connecting rod, 8_ clamping block, 9_ first elastic piece, 10_ guide rod, 11_ second elastic piece, 12_ sliding rod, 13 \\ U-shaped push block, 14_ third elastic piece, 15_ limiting block, 16_ buffer board and 17_ fourth elastic piece.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

Example 1

The utility model provides an integrated circuit board circuit resistance test fixture, refer to and show in fig. 1-5, including workstation 1, display screen 2, adjust knob 3, survey test panel 4 and test stitch 5, open storage trough 101 in 1 upper portion inboard of workstation, display screen 2 is installed through bolted connection's mode to 1 upper portion front side of workstation, 1 front side of workstation is rotated and is provided with adjust knob 3, adjust knob 3 is connected with 2 electricity of display screen, the test panel 4 that 1 upper portion slidingtype of workstation was provided with, it has test stitch 5 that is used for the test circuit board resistance to survey the even interval rigid coupling in 4 bottoms of test panel, test stitch 5 is connected with adjust knob 3 electricity.

When the staff need test the circuit board resistance, the staff will survey test panel 4 at first manual upward movement and open, put the circuit board in discharging groove 101 again, the staff moves test panel 4 downwards after placing the circuit board, aim at the position on the circuit board with survey test panel 4 bottom test panel's test stitch 5, place after surveying test panel 4, the staff rotates adjust knob 3 and starts survey test panel 4, survey stitch 5 and carry out the resistance test to the position on the circuit board, the result of testing can show on display screen 2, make things convenient for the staff to watch and record, after the resistance of the circuit board has been surveyed, the staff reverse rotation adjust knob 3 closes test panel 4, again will survey test panel 4 manual upward movement and open, the staff takes out the circuit board that tests afterwards.

Example 2

On the basis of embodiment 1, refer to fig. 1 and 3, and further include a support frame 6, a connecting rod 7, a fixture block 8 and a first elastic member 9, the support frame 6 is fixedly connected to the rear side of the top of the workbench 1 in a welding manner, the connecting rod 7 is movably arranged on the front side of the support frame 6, the fixture block 8 is fixedly connected to the bottom of the connecting rod 7, the first elastic member 9 for resetting is sleeved on the connecting rod 7, and two ends of the first elastic member 9 are respectively connected with the support frame 6 and the fixture block 8.

Referring to fig. 3, the test board further comprises guide rods 10 and second elastic members 11, three guide rods 10 are arranged on the fixture block 8 in a sliding manner at uniform intervals, the bottom of each guide rod 10 is fixedly connected with the test board 4, the guide rods 10 are sleeved with the second elastic members 11 for resetting, and two ends of each second elastic member 11 are respectively connected with the test board 4 and the fixture block 8.

Referring to fig. 4, the device further comprises a sliding rod 12, an L-shaped pushing block 13 and a third elastic member 14, wherein two sliding rods 12 are slidably arranged on the left side and the right side of the upper portion of the workbench 1, one sides, close to each other, of the two sliding rods 12 are fixedly connected with the L-shaped pushing block 13 for aligning in a welding mode, the third elastic member 14 is sleeved on the sliding rods 12, and two ends of the third elastic member 14 are connected with the workbench 1 and the L-shaped pushing block 13 respectively.

Referring to fig. 4 and 5, the table further includes a limiting block 15, and the limiting block 15 for limiting is fixedly connected to the rear side of the top of the workbench 1.

Referring to fig. 5, the circuit board buffering device further comprises a buffering plate 16 and a fourth elastic member 17, the buffering plate 16 for placing the circuit board is arranged in the material accommodating groove 101 in a sliding mode, and the fourth elastic member 17 for buffering the circuit board is evenly connected between the bottom of the buffering plate 16 and the workbench 1 at intervals.

Before testing the resistance of the circuit board, a worker pulls the connecting rod 7 upwards, the connecting rod 7 drives the fixture block 8, the guide rod 10, the test board 4 and the test pin 5 to move upwards, the fixture block 8 extrudes the first elastic part 9 to deform, then the worker manually pulls the slide bars 12 on the left side and the right side to slide outwards, the slide bars 12 drive the L-shaped push blocks 13 to slide towards two sides, the L-shaped push blocks 13 extrude the third elastic parts 14 to deform, then the worker places the circuit board on the buffer board 16, after placing the circuit board, the worker loosens the slide bars 12, the third elastic parts 14 restore to the original state to drive the L-shaped push blocks 13 to slide and reset mutually, the L-shaped push blocks 13 align the circuit board, meanwhile, the limiting blocks 15 limit the rear side of the circuit board, the test pin 5 is prevented from being in inaccurate in butt joint with the test point of the circuit board during testing, then the worker loosens the connecting rod 7, the first elastic piece 9 returns to the original state and drives the fixture block 8, the guide rod 10, the test board 4 and the test pins 5 to move downwards for resetting through the connecting rod 7, the test pins 5 are in contact with the circuit board when the test board 4 is pressed downwards, the test pins 5 extrude the circuit board, the fourth elastic piece 17 at the bottom of the buffer board 16 buffers the circuit board, the circuit board extrudes the test pins 5 to move upwards, the test board 4 extrudes the second elastic piece 11 to deform, the test pins 5 are in contact with the circuit board to form buffering, the circuit board is prevented from being damaged during testing, the fixture block 8 contacts with the left side and the right side of the circuit board when moving downwards, the position of the circuit board is kept in the middle, then the staff rotates the adjusting knob 3 to test the circuit board, the staff pulls the connecting rod 7 upwards after testing is finished, the connecting rod 7 drives the fixture block 8, the guide rod 10, the test board 4 and the test pins 5 to move upwards, after the test stitch 5 breaks away from the contact with the circuit board, fourth elastic component 17 reconversion drives buffer board 16 and upwards slides and resets, second elastic component 11 reconversion drives and surveys test panel 4 and guide bar 10 and slide down and resets, the staff outwards slides slide bar 12 afterwards, slide bar 12 drives L shape ejector pad 13 and slides to both sides, L shape ejector pad 13 extrudes third elastic component 14 and takes place deformation, thereby make L shape ejector pad 13 no longer fixed with the circuit board left and right sides, the staff takes out the circuit board that has tested afterwards, the staff loosens connecting rod 7, first elastic component 9 reconversion drives fixture block 8 through connecting rod 7, guide bar 10, survey test panel 4 and test stitch 5 and move down and reset.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an integrated circuit board circuit resistance test fixture, a serial communication port, including workstation (1), display screen (2), adjust knob (3), survey test panel (4) and test stitch (5), workstation (1) upper portion inboard is opened has blowing groove (101), display screen (2) are installed to workstation (1) upper portion front side, workstation (1) front side rotation formula is provided with adjust knob (3), adjust knob (3) are connected with display screen (2) electricity, workstation (1) upper portion slidingtype is provided with surveys test panel (4), survey test panel (4) bottom even interval rigid coupling and have test stitch (5) that are used for testing the circuit board resistance, test stitch (5) are connected with adjust knob (3) electricity.

2. The resistance value testing jig for the integrated circuit board circuit according to claim 1 is characterized by further comprising a support frame (6), a connecting rod (7), a clamping block (8) and a first elastic piece (9), wherein the support frame (6) is fixedly connected to the rear side of the top of the workbench (1), the connecting rod (7) is movably arranged on the front side of the support frame (6), the clamping block (8) is fixedly connected to the bottom of the connecting rod (7), the first elastic piece (9) for resetting is sleeved on the connecting rod (7), and two ends of the first elastic piece (9) are respectively connected with the support frame (6) and the clamping block (8).

3. The integrated circuit board circuit resistance value test fixture according to claim 2, further comprising a guide rod (10) and a second elastic member (11), wherein three guide rods (10) are slidably disposed on the fixture block (8) at regular intervals, the bottom of each guide rod (10) is fixedly connected with the test board (4), the guide rod (10) is sleeved with the second elastic member (11) for resetting, and two ends of each second elastic member (11) are respectively connected with the test board (4) and the fixture block (8).

4. The resistance value test fixture for the integrated circuit board circuit according to claim 3, characterized by further comprising a sliding rod (12), an L-shaped pushing block (13) and a third elastic member (14), wherein the two sliding rods (12) are arranged on the left side and the right side of the upper portion of the workbench (1) in a sliding manner, the L-shaped pushing block (13) for centering is fixedly connected to one side, close to each other, of the two sliding rods (12), the third elastic member (14) is sleeved on the sliding rods (12), and two ends of the third elastic member (14) are respectively connected with the workbench (1) and the L-shaped pushing block (13).

5. The resistance value test fixture of the integrated circuit board circuit according to claim 4, further comprising a limiting block (15), wherein the limiting block (15) for limiting is fixedly connected to the rear side of the top of the workbench (1).

6. The integrated circuit board circuit resistance value test fixture according to claim 5, characterized by further comprising a buffer plate (16) and a fourth elastic member (17), wherein the buffer plate (16) for placing the circuit board is arranged in the material-placing groove (101) in a sliding manner, and the fourth elastic member (17) for buffering the circuit board is connected between the bottom of the buffer plate (16) and the workbench (1) at regular intervals.