CN212845765U

CN212845765U - PCB detection jig

Info

Publication number: CN212845765U
Application number: CN202021294301.7U
Authority: CN
Inventors: 董颖辉; 葛庆新; 刘媛; 张俊涛; 陶继宏
Original assignee: Guangde Wanzheng Electronic Technology Co ltd
Current assignee: Guangde Wanzheng Electronic Technology Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-30
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a PCB circuit board detection tool belongs to circuit board tool field. The utility model provides a PCB circuit board detection tool, includes: the device comprises a base, a cover plate, a lower pressing plate and an upper pressing plate; the lower pressing plate is horizontally arranged above the base, a clamp is arranged on the upper end face of the lower pressing plate, and the PCB is fixed on the upper end face of the lower pressing plate by the clamp; the utility model discloses a mounting structure, including mounting panel, mounting panel up end, upper plate, mounting panel, vertical through-hole has been seted up on the bellied up end, the upper plate level arrange in directly over the lower plate, set up a plurality of mounting grooves that link up on the upper plate, every all be equipped with the mounting panel in the mounting groove, form a plurality of columniform archs on the mounting panel up end, vertical through-hole has been seted up on the bellied up end, just the through-hole link up the upper plate, be. Compared with the prior art, the PCB detection jig can conveniently adjust the height of the probe, and is more convenient to use.

Description

PCB detection jig

Technical Field

The utility model relates to a circuit board tool field, concretely relates to PCB circuit board detection tool.

Background

The PCB jig is mainly used for testing the PCB and is used for detecting the short circuit or open circuit condition of a blank PCB. And testing equipment containing the PCB semi-finished product, wherein the equipment is used for detecting whether the semi-finished product has normal functions and assembling the semi-finished product into a finished product after the semi-finished product is normal. In addition, the PCB inspection jig can also be used to process equipment related to PCB components, such as power triacs, which need to be fixed to the heat sink in addition to being soldered to the PCB, and at this time, the PCB inspection jig is required to process pins of the triacs.

In the process of detecting the PCB, the conductive probe is required to be in contact with the circuit and the pin on the PCB, and the working state of the probe is judged. Because the height of the pins or the lines of the PCBs with different specifications is different, when the probes are used, the sizes of the probes are required to be adjusted to adapt to the PCBs with different specifications. In the existing detection jig, most probes cannot be adjusted, so that inconvenience in use is caused, and some probes cannot fully contact the PCB.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a PCB circuit board detection tool.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a PCB circuit board detection tool, includes: the device comprises a base, a cover plate, a lower pressing plate and an upper pressing plate;

the lower pressing plate is horizontally arranged above the base, a clamp is arranged on the upper end face of the lower pressing plate, and the PCB is fixed on the upper end face of the lower pressing plate by the clamp;

the upper pressing plate is horizontally arranged right above the lower pressing plate, a plurality of through mounting grooves are formed in the upper pressing plate, a mounting plate is arranged in each mounting groove, a plurality of cylindrical bulges are formed on the upper end surface of each mounting plate, vertical through holes are formed in the upper end surfaces of the bulges and penetrate through the upper pressing plate, rotating plates are arranged on the bulges and are rotatably connected with the bulges, vertically arranged rotating shafts are arranged in the through holes, and sliding grooves are formed in the rotating shafts; the upper end of the rotating shaft penetrates through the rotating plate and is in threaded connection with the rotating plate; the lower end of the rotating shaft is fixedly provided with a probe;

and a clamping block is fixedly connected to the inner wall of the through hole and clamped in the sliding groove, so that the rotating shaft cannot rotate.

Furthermore, threaded holes are formed in four corners of the mounting plate respectively, adjusting bolts are connected in the threaded holes in a threaded mode, the lower ends of the adjusting bolts extend to the upper end face of the upper pressing plate, and the adjusting bolts cannot move in the vertical direction relative to the upper pressing plate.

Furthermore, an operating handle is fixedly installed on the rotating plate.

Further, the clamp comprises a base plate and a plurality of fastening bolts, the fastening bolts are horizontally arranged, one ends of the fastening bolts are abutted against the side wall of the base plate and are perpendicular to the side wall of the base plate, and the fastening bolts are in threaded connection with the lower pressing plate; the base plate is arranged along the length direction of the PCB circuit board and can slide along the upper end face of the lower pressing plate.

Further, the tail end of the fixture block is spherical.

Furthermore, a scale which is vertically arranged is arranged on the rotating plate.

The utility model has the advantages that:

through the setting, the operator can adjust the height of every probe alone, makes the top board cover behind the PCB, and the probe can just lean on corresponding circuit or contact, makes its adaptation in the PCB of different specification models, and it is more convenient to use, and the commonality is stronger.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a partial cross-sectional view of the present application;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

The parts corresponding to the reference numerals in the figures are as follows:

1. a lower pressing plate; 2. a substrate; 3. a rotating plate; 4. mounting a plate; 5. adjusting the bolt; 6. a rotating shaft; 7. an upper pressure plate; 8. fastening a bolt; 9. a clamping block; 10. a chute.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1 to 3, a PCB inspection jig includes: the device comprises a base, a cover plate, a lower pressing plate 1 and an upper pressing plate 7; the lower pressing plate 1 is horizontally arranged above the base, a clamp is arranged on the upper end face of the lower pressing plate 1, and the clamp fixes the PCB on the upper end face of the lower pressing plate 1; the upper pressing plate 7 is horizontally arranged right above the lower pressing plate 1, a plurality of through mounting grooves are formed in the upper pressing plate 7, a mounting plate 4 is arranged in each mounting groove, a plurality of cylindrical protrusions are formed on the upper end surface of each mounting plate 4, vertical through holes are formed in the upper end surfaces of the protrusions, the through holes penetrate through the upper pressing plate 7, rotating plates 3 are arranged on the protrusions, the rotating plates 3 are rotatably connected with the protrusions, vertically arranged rotating shafts 6 are arranged in the through holes, and sliding grooves are formed in the rotating shafts 6; the upper end of the rotating shaft 6 penetrates through the rotating plate 3 and is in threaded connection with the rotating plate 3; the lower end of the rotating shaft 6 is fixedly provided with a probe; the inner wall of the through hole is fixedly connected with a clamping block 9, and the clamping block 9 is clamped in the sliding groove 10, so that the rotating shaft 6 cannot rotate.

The working principle of the present invention is described in detail below, when proceeding and detecting, the operator can first prevent the PCB from being placed on the lower pressing plate 1, and fix the PCB on the lower pressing plate 1 by using the fixture. And then the upper pressing plate 7 is covered on the PCB, when the height of the probe is required to be adjusted, the bulge where the rotating shaft 6 corresponding to the probe is located can be found first, and the rotating plate 3 on the bulge is rotated. Because the rotating shaft 6 can not rotate because the sliding groove 10 is clamped with the clamping block 9, when the rotating plate 3 is rotated, the rotating shaft 6 rotates relative to the rotating plate 3, and because the rotating plate 3 is in threaded connection, the rotating shaft 6 can be adjusted to move up and down when the rotating plate 3 is rotated, so that the probe is driven to move up and down, and the height of the probe is adjusted.

That is to say, through the setting, the operator can adjust the height of every probe alone, makes top board 7 cover the PCB after, the probe just can lean on corresponding circuit or contact, makes its adaptation in the PCB of different specification models, and it is more convenient to use, and the commonality is stronger.

Furthermore, threaded holes are respectively formed in four corners of the mounting plate 4, the threaded holes are internally and uniformly connected with adjusting bolts 5 in a threaded mode, the lower ends of the adjusting bolts 5 extend to the upper end face of the upper pressing plate 7, and the adjusting bolts 5 cannot move in the vertical direction relative to the upper pressing plate 7. Through the arrangement, an operator can rotate the adjusting bolt 5 to adjust the height of the whole mounting plate 4, so that the height of the probes on the whole mounting plate 4 can be adjusted, a plurality of probes can be adjusted simultaneously, and the operation is simpler and more convenient. When the position of a single probe is too high or too low, the position is adjusted independently.

Further, an operating handle is fixedly mounted on the rotating plate 3, so that the rotating plate 3 can be rotated more conveniently.

Further, the clamp comprises a base plate 2 and a plurality of fastening bolts 8, the fastening bolts 8 are horizontally arranged, one ends of the fastening bolts are abutted against the side wall of the base plate 2 and are perpendicular to the side wall of the base plate 2, and the fastening bolts 8 are in threaded connection with the lower pressure plate 1; the base plate 2 is arranged along the length direction of the PCB circuit board and can slide along the upper end surface of the lower pressure plate 1.

Further, the end of the latch 9 is spherical.

Further, the rotating plate 3 is provided with a vertically arranged scale, and an operator can read the relative height of the single rotating shaft 6 through the scale, so as to obtain the specific position of the probe and the height required to be relatively adjusted.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a PCB circuit board detection tool which characterized in that includes: the device comprises a base, a cover plate, a lower pressing plate and an upper pressing plate;

2. The PCB detection jig of claim 1, wherein threaded holes are respectively formed in four corners of the mounting plate, adjusting bolts are connected in the threaded holes in a threaded manner, lower ends of the adjusting bolts extend to the upper end face of the upper pressing plate, and the adjusting bolts cannot move in a vertical direction relative to the upper pressing plate.

3. The PCB circuit board detection tool of claim 1, wherein an operating handle is fixedly mounted on the rotating plate.

4. The PCB circuit board detection jig of claim 1, wherein the clamp comprises a base plate and a plurality of fastening bolts, the fastening bolts are horizontally arranged, one ends of the fastening bolts are abutted against the side wall of the base plate and are perpendicular to the side wall of the base plate, and the fastening bolts are in threaded connection with the lower pressing plate; the base plate is arranged along the length direction of the PCB circuit board and can slide along the upper end face of the lower pressing plate.

5. The PCB circuit board detection jig of claim 1, wherein the ends of the fixture blocks are spherical.

6. The PCB circuit board detection jig of claim 1, wherein the rotating plate is provided with a scale which is vertically arranged.