CN214669438U

CN214669438U - PCB circuit board element test fixture

Info

Publication number: CN214669438U
Application number: CN202120175993.1U
Authority: CN
Inventors: 杨文茂; 董威武
Original assignee: Hefei Pinwang Automation Equipment Co ltd
Current assignee: Hefei Pinwang Automation Equipment Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-11-09
Anticipated expiration: 2031-01-22

Abstract

The utility model relates to the technical field of PCB circuit board element testing, in particular to a PCB circuit board element testing tool, which comprises a PCB circuit board jig, a PCB circuit board, a probe mounting plate and a mounting plate, the utility model tests the whole PCB circuit board through design, solves the problem that the PCB circuit board is damaged in the process of assembling and inserting components, tests the PCB circuit board completely after all the components are assembled, tests whether each component is damaged or can not reach the actual standard value, ensures the product quality, and avoids the test probe from directly acting on the PCB circuit board through setting a spring buffer structure, solves the problem that the existing PCB circuit board element testing probe is a simple rod-shaped structure, when the test probe is pressed down by a lifting structure, the test probe directly acts on the PCB circuit board element, thereby easily causing the surface of the PCB circuit board element to be damaged, the usability of the PCB element testing tool is improved.

Description

PCB circuit board element test fixture

Technical Field

The utility model relates to a PCB circuit board component test technical field specifically is a PCB circuit board component test fixture.

Background

The problem that the current PCB circuit board is damaged in the process of assembling and inserting components and parts for testing exists, the existing PCB circuit board component testing probe is of a simple rod-shaped structure, and when the testing probe is pressed down by a lifting structure, the testing probe is directly acted on a PCB circuit board component, so that the surface of the PCB circuit board component is easily damaged, and the use performance of the PCB circuit board component testing tool is reduced.

The utility model discloses a design a PCB circuit board component test fixture and solve the problem that exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB circuit board component 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:

a PCB component testing tool comprises a PCB jig, a PCB, a probe mounting plate and a mounting plate, wherein the mounting plate is connected to the end face of the probe mounting plate through a connecting rod, positioning pins are respectively arranged at four corners of the bottom of the probe mounting plate, PCB components are uniformly arranged on the inner side of the positioning pins and at the bottom of the probe mounting plate, positioning holes are formed at the four corners of the PCB and below the positioning pins, positioning pin columns are arranged at four Dibi corners of the PCB, the bottoms of the positioning pin columns are connected to the PCB jig, the PCB components comprise connecting columns, connecting sleeves and testing probes, the connecting columns are connected to the probe mounting plate, outer thread sections are arranged in the middles of the outer walls of the connecting columns, the connecting sleeves are sleeved below the outer thread sections and on the outer walls of the connecting columns, the spring is sleeved on the outer wall, located in the connecting column, of the inside of the connecting sleeve, the bottom of the connecting sleeve is connected with the test probe, and the bottom of the PCB circuit board jig is provided with a PCB circuit board jig support.

Preferably, the perpendicular bisector of locating pin and the perpendicular bisector of locating hole are on same straight line, locating pin and locating hole one-to-one set up and locating pin and locating hole cooperation mode are clearance fit.

Preferably, the connecting structure of the positioning pin and the PCB jig is a plug structure and is detachable.

Preferably, the connection mode of spliced pole and probe mounting panel is threaded connection and removable, the port department of connecting sleeve has seted up the internal thread section and is threaded connection with the connection mode of external screw thread section.

Preferably, the spring is arranged below the external thread section, and the external diameter of the external thread section is at least 2mm larger than the external diameter of the spring.

Preferably, the matching mode of the inside of the connecting sleeve and the spring is clearance fit, and the bottom port of the connecting sleeve is provided with an internal thread section and is in threaded connection with the test probe.

Preferably, the inner cavity of the connecting sleeve is a smooth cavity and is intermittently matched with the external thread section, and the connecting column is connected with the connecting sleeve in an up-and-down sliding manner.

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

1. the utility model discloses in, test whole PCB circuit board through the design, solved the PCB circuit board and have damaged problem at the in-process of the components and parts of plugging in, accomplish the installation back at all components and parts, carry out complete test to the PCB circuit board, whether test every components and parts damage or can not reach actual calibration value, guarantee product quality.

2. The utility model discloses in, through setting up spring buffer structure, avoid test probe direct action on PCB circuit board, solved current PCB circuit board component test probe and be simple shaft-like structure, when test probe is pushed down by elevation structure, directly act on PCB circuit board component with test probe to lead to the impaired problem in surface of PCB circuit board component easily, improved PCB circuit board component test fixture's performance.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic diagram of the partially exploded structure of the PCB assembly of the present invention;

fig. 4 is a schematic diagram of the partially exploded structure of the PCB assembly of the present invention;

fig. 5 is a schematic view of the connecting sleeve according to the present invention in a partial cross-sectional view.

In the figure: 1. a PCB jig; 2. a PCB circuit board; 3. a probe mounting plate; 4. mounting a plate; 5. a connecting rod; 6. positioning pins; 7. a PCB circuit board assembly; 8. positioning holes; 9. positioning the pin column; 10. connecting columns; 11. a connecting sleeve; 12. testing the probe; 13. an external threaded section; 14. a spring; 15. and supporting the PCB jig.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a PCB component testing tool comprises a PCB jig 1, a PCB 2, a probe mounting plate 3 and a mounting plate 4, wherein the mounting plate 4 is connected to the end face of the probe mounting plate 3 through a connecting rod 5, positioning pins 6 are respectively arranged at four corners of the bottom of the probe mounting plate 3, PCB components 7 are uniformly arranged at the inner sides of the positioning pins 6 and at the bottom of the probe mounting plate 3, positioning holes 8 are formed at the four corners of the PCB 2 and below the positioning pins 6, positioning pin columns 9 are arranged at four corners of the Di Bi of the PCB 2, the bottoms of the positioning pin columns 9 are connected to the PCB jig 1, the PCB components 7 comprise a connecting column 10, a connecting sleeve 11 and a testing probe 12, the connecting column 10 is connected to the probe mounting plate 3, an external thread section 13 is arranged in the middle of the outer wall of the connecting column 10, the connecting sleeve 11 is sleeved below the external thread section 13 and on the outer wall of the connecting column 10, the spring 14 is sleeved on the outer wall of the connecting column 10 inside the connecting sleeve 11, the bottom of the connecting sleeve 11 is connected with the test probe 12, and the bottom of the PCB jig 1 is provided with a PCB jig support 15.

The utility model discloses frock flow: when in use, the mounting plate 4 is mounted at the telescopic end of the lifting structure, at the moment, the perpendicular bisector of the positioning pin 6 and the perpendicular bisector of the positioning hole 8 are on the same straight line, the positioning pins 6 and the positioning holes 8 are arranged in one-to-one correspondence, the matching mode of the positioning pins 6 and the positioning holes 8 is clearance fit, and the connecting structure of the positioning pin columns 9 and the PCB jig 1 is a plug-in structure and can be disassembled, the PCB with the mounted device is placed on the PCB jig 1, as shown in figure 1, the whole PCB is tested by design, the problem that the PCB is damaged in the process of assembling and inserting components is solved, after all the components are assembled, the PCB is completely tested, whether each component is damaged or does not reach the actual calibration value is tested, and the product quality is ensured;

when the mounting plate 4 is pressed down by the lifting structure, the test probe 12 is driven to move downwards, when the test probe 12 acts on the PCB, the connection mode between the connection column 10 and the probe mounting plate 3 is threaded connection and detachable, the port of the connection sleeve 11 is provided with an internal thread section and is in threaded connection with an external thread section 13, the spring 14 is arranged below the external thread section 13, the external diameter of the external thread section 13 is at least 2mm larger than the external diameter of the spring 14, wherein the external thread section 13 plays a role of a stop block, the test probe 12 is forced to move upwards, the inner cavity of the connection sleeve 11 is a smooth cavity and is in intermittent fit with the external thread section 13, under the action of the vertical sliding connection of the connection mode between the connection column 10 and the connection sleeve 11, the connection sleeve 11 is pushed to move upwards, and the spring 14 in the connection sleeve 11 is compressed, so as to play a role of buffering, this process is through setting up spring buffer structure, avoids test probe direct action on the PCB circuit board, has solved current PCB circuit board component test probe and has been simple shaft-like structure, when test probe is pushed down by elevation structure, directly acts on PCB circuit board component with test probe to lead to the impaired problem in surface of PCB circuit board component easily, improved PCB circuit board component test fixture's performance.

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 PCB circuit board component test fixture, includes PCB circuit board tool (1), PCB circuit board (2), probe mounting panel (3) and mounting panel (4), its characterized in that: the probe mounting plate is characterized in that the mounting plate (4) is connected to the end face of the probe mounting plate (3) through a connecting rod (5), the four corners of the bottom of the probe mounting plate (3) are respectively provided with a positioning pin (6), the inner side of the positioning pin (6) is uniformly provided with a PCB circuit board assembly (7) at the bottom of the probe mounting plate (3), the four corners of the PCB circuit board (2) are provided with positioning holes (8) below the positioning pin (6), positioning pin columns (9) are arranged at the derby four corners of the PCB circuit board (2), the bottom of the positioning pin columns (9) is connected to a PCB circuit board jig (1), the PCB circuit board assembly (7) comprises a connecting column (10), a connecting sleeve (11) and a test probe (12), the connecting column (10) is connected to the probe mounting plate (3), and an external thread section (13) is arranged in the middle of the outer wall of the connecting column (10), the utility model discloses a test probe, including outer screw thread section (13), connecting sleeve (11) has been cup jointed to the below of external screw thread section (13) and the outer wall that is located spliced pole (10), spring (14) have been cup jointed to the inside of connecting sleeve (11) and the outer wall that is located spliced pole (10), the bottom of connecting sleeve (11) is connected with test probe (12), the bottom of PCB circuit board tool (1) is provided with PCB circuit board tool support (15).

2. The PCB circuit board element testing tool of claim 1, wherein: the perpendicular bisector of locating pin (6) is on same straight line with the perpendicular bisector of locating hole (8), locating pin (6) and locating hole (8) one-to-one set up and locating pin (6) and locating hole (8) cooperation mode are clearance fit.

3. The PCB circuit board element testing tool of claim 1, wherein: the connecting structure of the positioning pin column (9) and the PCB jig (1) is of a plug structure and is detachable.

4. The PCB circuit board element testing tool of claim 1, wherein: the connection mode of spliced pole (10) and probe mounting panel (3) is threaded connection and dismantled and assembled, internal thread section has been seted up and threaded connection is with the connection mode of external screw thread section (13) to the port department of connecting sleeve (11).

5. The PCB circuit board element testing tool of claim 1, wherein: the spring (14) is arranged below the external thread section (13), and the outer diameter of the external thread section (13) is at least 2mm larger than that of the spring (14).

6. The PCB circuit board element testing tool of claim 1, wherein: the inside of connecting sleeve (11) and the cooperation mode of spring (14) are clearance fit, the bottom port of connecting sleeve (11) is seted up the internal thread section and is threaded connection with the connected mode of test probe (12).

7. The PCB circuit board element testing tool of claim 1, wherein: the inner cavity of the connecting sleeve (11) is a smooth cavity and is intermittently matched with the external thread section (13), and the connecting column (10) is connected with the connecting sleeve (11) in a vertical sliding mode.