CN213875764U

CN213875764U - PCB (printed circuit board) detection jig

Info

Publication number: CN213875764U
Application number: CN202022936182.7U
Authority: CN
Inventors: 曾鹏; 简光美
Original assignee: Shenzhen Juwangxin Technology Co ltd
Current assignee: Shenzhen Juwangxin Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-03
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a PCB circuit board detects technical field, specifically is a tool is used in PCB circuit board detection, including the bottom plate, the lower extreme of dwang is provided with the upper portion probe, and the horizontal fixed mounting in upper end of bottom plate has the slide bar, and the upper end of slide bar slidable mounting has two second pieces respectively, and the lower extreme fixed mounting that detects the base passes through the second piece and slides the setting in the upper end of bottom plate with the slide bar and set up the downside of dwang and be provided with buffer spring in the upper end of second piece. The utility model relates to a novelty, simple structure, high durability and convenient use is provided with buffer spring in the upper end of fixed block, when the dwang is pressed towards below in, make the lower extreme of dwang cushioned by buffer spring, played absorbing effect, dwang and the probe that can prevent to fall down suddenly damage the upper end of PCB circuit board, played better protection effect, relative distance between first piece and the second piece can realize adjusting, thereby can adjust according to the size of PCB circuit board.

Description

PCB (printed circuit board) detection jig

Technical Field

The utility model relates to a PCB circuit board detects technical field, specifically is a tool is used in PCB circuit board detection.

Background

PCB circuit boards are one of the important components of the electronics industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating bottom plate, a connecting lead and a welding disc for assembling and welding electronic elements, and has double functions of a conductive circuit and the insulating bottom plate. It can replace complex wiring to realize the electric connection between each element in the circuit.

The PCB circuit board needs to be detected during production and processing, the PCB circuit board needs to be placed on the detection base in the detection process, the upper end and the lower end of the PCB circuit board are respectively connected with voltage through the two probes for detection, and when the probe at the upper end moves downwards, the probe or the PCB circuit board is possibly damaged due to impact.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the PCB circuit board that provides detects and uses tool.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a PCB circuit board detects uses tool, includes the bottom plate, the upper end of bottom plate is provided with two and detects the base, the upper end of detecting the base is provided with the bottom probe, the upper end of bottom plate is rotated and is provided with the dwang, the lower extreme of dwang is provided with the upper portion probe, the horizontal fixed mounting in upper end of bottom plate has the slide bar, the upper end of slide bar slidable mounting respectively has two second pieces, the lower extreme fixed mounting that detects the base is in the upper end of second piece, it slides the upper end that sets up at the bottom plate through second piece and slide bar to detect the base, the downside of dwang is provided with buffer spring.

As a further description of the above technical solution: the upper surface of the slide bar is respectively provided with a first slide rail and a second slide rail, and the width of the first slide rail is larger than that of the second slide rail.

As a further description of the above technical solution: the inner part of the first sliding rail is provided with a first block in a sliding manner, the inner part of the second sliding rail is provided with a second block in a sliding manner, and the upper end of the first block is fixedly connected with the lower end of the second block.

As a further description of the above technical solution: a first threaded hole is formed in the surface of the sliding rod, and a second threaded hole is formed in the surface of the second block.

As a further description of the above technical solution: the screw rods are arranged in the first threaded hole and the second threaded hole, and nuts are arranged at the outer ends of the screw rods.

As a further description of the above technical solution: the upper end fixed mounting of bottom plate has the fixed block, the upper end fixed mounting of fixed block has the motor, the dwang is connected on the output of motor.

As a further description of the above technical solution: the number of the first threaded holes is not less than 10.

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

1. the utility model relates to a novelty, simple structure, convenient to use is provided with buffer spring in the upper end of fixed block, when the dwang is pressed towards below when moving for the lower extreme of dwang is cushioned by buffer spring, has played absorbing effect, can prevent that the dwang and the probe that suddenly fall from damaging the upper end of PCB circuit board, has played better protection effect.

2. The first block and the second block slide in the first slide rail and the second slide rail, so that the relative distance between the first block and the second block can be adjusted, the adjustment can be carried out according to the size of the PCB, and the jig can detect the PCB with various sizes.

Drawings

FIG. 1 is a schematic structural view of a jig for PCB inspection;

FIG. 2 is a schematic structural view of a slide bar in a PCB inspection jig;

fig. 3 is a schematic structural view of a rotating rod in a PCB inspection jig.

In the figure: 1. a base plate; 2. detecting a base; 3. a bottom probe; 4. rotating the rod; 5. an upper probe pin; 6. a slide bar; 7. a first slide rail; 8. a second slide rail; 9. a first block; 10. a second block; 11. a first threaded hole; 12. a second threaded hole; 13. a screw; 14. a nut; 15. a fixed block; 16. a motor; 17. a buffer spring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a jig for PCB circuit board detection comprises a bottom plate 1, two detection bases 2 are arranged at the upper end of the bottom plate 1, bottom detection needles 3 are arranged at the upper ends of the detection bases 2, a rotating rod 4 is rotatably arranged at the upper end of the bottom plate 1, an upper detection needle 5 is arranged at the lower end of the rotating rod 4, a sliding rod 6 is horizontally and fixedly arranged at the upper end of the bottom plate 1, two second blocks 10 are respectively and slidably arranged at the upper end of the sliding rod 6, the lower end of the detection base 2 is fixedly arranged at the upper end of the second blocks 10, the detection base 2 is slidably arranged at the upper end of the bottom plate 1 through the second blocks 10 and the sliding rod 6, a buffer spring 17 is arranged at the lower side of the rotating rod 4, a first sliding rail 7 and a second sliding rail 8 are respectively arranged on the upper surface of the sliding rod 6, the width of the first sliding rail 7 is larger than that of the second sliding rail 8, a first block 9 is slidably arranged inside the first sliding rail 7, a second block 10 is slidably arranged inside the second sliding rail 8, the upper end of the first block 9 is fixedly connected with the lower end of the second block 10, the upper end of the bottom plate 1 is fixedly provided with a fixed block 15, the upper end of the fixed block 15 is fixedly provided with a motor 16, a PCB circuit board material to be detected is placed on the detection base 2, the lower surface of the PCB circuit board material is abutted against the upper surface of the bottom probe pin 3, after the motor 16 is started, the motor 16 drives the rotating rod 4 to rotate, the lower surface of the probe at the lower end of the rotating rod 4 is abutted against the upper surface of the PCB circuit board material, the PCB circuit board is detected after voltage is applied, because the buffer spring 17 is arranged at the upper end of the fixed block 15, when the rotating rod 4 is pressed downwards, the lower end of the rotating rod 4 is buffered by the buffer spring 17, the shock absorption effect is achieved, and the upper end of the PCB circuit board can be prevented from being damaged by the rotating rod 4 and the probe which fall suddenly, and a better protection effect is achieved.

The surface of the slide bar 6 is provided with a first threaded hole 11, the surface of the second block 10 is provided with a second threaded hole 12, the first threaded hole 11 and the second threaded hole 12 are internally provided with a screw 13, the outer end of the screw 13 is provided with a nut 14, the rotating rod 4 is connected on the output end of a motor 16, the number of the first threaded holes 11 is not less than 10, the first block 9 and the second block 10 slide in the first slide rail 7 and the second slide rail 8, so that the relative distance between the first block 9 and the second block 10 can be adjusted, thereby being adjusted according to the size of the PCB circuit board, when the first and

second screw holes

11 and 12 are aligned with each other, the operator inserts the screw 13 into the first and

second screw holes

11 and 12, screws the nut 14 to the outer end of the screw 13, thereby realized better fixed effect, this tool can detect the PCB circuit board of multiple big small dimension specification.

The working principle is as follows: the PCB material to be detected is placed on the detection base 2, the lower surface of the PCB material is abutted against the upper surface of the bottom probe pin 3, after the motor 16 is started, the motor 16 drives the rotating rod 4 to rotate, the lower surface of the probe at the lower end of the rotating rod 4 is abutted against the upper surface of the PCB material, the PCB is detected after voltage is applied, because the buffer spring 17 is arranged at the upper end of the fixed block 15, when the rotating rod 4 is pressed downwards, the lower end of the rotating rod 4 is buffered by the buffer spring 17, the shock absorption effect is achieved, the damage of the rotating rod 4 and the probe which fall down suddenly to the upper end of the PCB can be prevented, the better protection effect is achieved, the first block 9 and the second block 10 slide in the first slide rail 7 and the second slide rail 8, and the relative distance between the first block 9 and the second block 10 can be adjusted, thereby can adjust according to the size of PCB circuit board, when first screw hole 11 and second screw hole 12 aim at each other, operating personnel inserts screw rod 13 in the inside of first screw hole 11 and second screw hole 12, twists nut 14 in the outer end of screw rod 13 again to better fixed effect has been realized, the PCB circuit board of multiple size specification can be detected to this tool.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a PCB circuit board detects uses tool, includes bottom plate (1), the upper end of bottom plate (1) is provided with two and detects base (2), the upper end of detecting base (2) is provided with bottom probe (3), the upper end of bottom plate (1) is rotated and is provided with dwang (4), the lower extreme of dwang (4) is provided with upper portion probe (5), its characterized in that, the horizontal fixed mounting in upper end of bottom plate (1) has slide bar (6), the upper end of slide bar (6) slidable mounting respectively has two second pieces (10), the lower extreme fixed mounting of detecting base (2) is in the upper end of second piece (10), it slides the upper end that sets up at bottom plate (1) through second piece (10) and slide bar (6) to detect base (2), the downside of dwang (4) is provided with buffer spring (17).

2. The jig for detecting the PCB of claim 1, wherein: the upper surface of the slide bar (6) is respectively provided with a first slide rail (7) and a second slide rail (8), and the width of the first slide rail (7) is larger than that of the second slide rail (8).

3. The jig for detecting the PCB of claim 2, wherein: the inner part of the first sliding rail (7) is provided with a first block (9) in a sliding manner, the inner part of the second sliding rail (8) is provided with a second block (10) in a sliding manner, and the upper end of the first block (9) is fixedly connected with the lower end of the second block (10).

4. The jig for detecting the PCB of claim 1, wherein: the surface of the sliding rod (6) is provided with a first threaded hole (11), and the surface of the second block (10) is provided with a second threaded hole (12).

5. The jig for PCB circuit board inspection of claim 4, wherein: the screw rod (13) is arranged inside the first threaded hole (11) and the second threaded hole (12), and a nut (14) is arranged at the outer end of the screw rod (13).

6. The jig for detecting the PCB of claim 1, wherein: the upper end fixed mounting of bottom plate (1) has fixed block (15), the upper end fixed mounting of fixed block (15) has motor (16), dwang (4) are connected on the output of motor (16).

7. The jig for PCB circuit board inspection of claim 4, wherein: the number of the first threaded holes (11) is not less than 10.