CN215678652U

CN215678652U - Detection tool that circuit board was used

Info

Publication number: CN215678652U
Application number: CN202122259497.7U
Authority: CN
Inventors: 林孟光; 林春光; 叶玉辉
Original assignee: Fujian Xiangyun Photoelectric Technology Co ltd
Current assignee: Fujian Xiangyun Photoelectric Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-01-28
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a detection jig for a circuit board, which comprises a bottom plate, wherein a supporting seat is fixedly arranged at the top end of the bottom plate, a hydraulic rod is fixedly arranged in the middle of the inner wall of the top of the supporting seat, a fixed seat is fixedly arranged at the bottom end of the hydraulic rod, detection needles are respectively arranged on two sides of the bottom end of the fixed seat, a sliding groove is formed in the middle of the top end of the bottom plate, the bottom plate is slidably connected with two fixed plates through the sliding groove, one side of each fixed plate is movably connected with a limit plate, a carrier plate is movably connected on two sides of the top end of the bottom plate, the two limit plates are driven to move through a bidirectional screw rod to limit circuit boards with different sizes, the limit plates are tightly attached to the circuit board through a first spring, so that the circuit board can be more stably fixed on the carrier plate, and the pressure on the circuit board can be reduced when the detection needles detect the circuit board through the sliding of the carrier plate in the movable groove, the circuit board is tightly attached to the detection pin, and poor contact is avoided.

Description

Detection tool that circuit board was used

Technical Field

The utility model relates to a detection jig, in particular to a detection jig for a circuit board, and belongs to the technical field of circuit board detection.

Background

The jig is a tool for mechanical, electric control and other handicraft articles, is mainly used for assisting in controlling positions or actions, and generally comprises a process assembly jig, a project test jig and a circuit board test jig, wherein the quality of a circuit board determines the quality of an integral electronic product, and after the circuit board is produced, the circuit board needs to be detected, and the circuit board detection jig needs to be used.

For example, under the name of application No. "CN 210487912U": the Chinese patent of 'a PCB circuit board inspection tool' discloses a PCB circuit board inspection tool, and it has a base, the base up end set up the workstation, the workstation on place the backing plate, backing plate lower extreme wired connection microcontroller, backing plate one side set up the stand perpendicularly, the stand on one side fixed set up the depression bar, the fixed rotary type handle of depression bar upper end, depression bar lower extreme fixed pressing plate, the clamp plate lower extreme evenly set up a plurality of probes, clamp plate one side still set up the guide pillar perpendicularly, the clamp plate slide through the sliding sleeve and set up on the guide pillar. This PCB circuit board detection tool, simple structure can realize that the equilibrium of clamp plate is exerted pressure, improves the accurate nature in the whole testing process, ensures the quality of PCB circuit board, is convenient for extensively promote and use.

The circuit board easily takes place the skew when the detection tool that current circuit board was used tests, when testing the circuit board, needs place the circuit board on the support plate, and rethread surveys and detects to the circuit board, if the circuit board has taken place the skew on test tool, will lead to the test result of circuit board inaccurate, and when the probe needle examined the circuit board, causes circuit board surface wearing and tearing easily, influences product quality.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a detection tool for a circuit board, so as to solve the problem that the circuit board is prone to shift during the test of the detection tool for a circuit board proposed in the above-mentioned background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a detection tool that circuit board was used, includes the bottom plate, the fixed supporting seat that is equipped with in top of bottom plate, the spout has been seted up at the middle part on bottom plate top, the bottom plate has two fixed plates through spout sliding connection, one side swing joint of fixed plate has the limiting plate, the activity groove has all been seted up, two to the both sides on bottom plate top the both sides inner wall swing joint in activity groove has the support plate.

According to a preferable technical scheme of the utility model, a cavity is formed at the bottom of the sliding chute, a bidirectional screw rod is movably connected inside the cavity, two sides of the bidirectional screw rod are sleeved with sliding blocks and are in threaded connection, connecting rods are fixedly arranged at the top ends of the two sliding blocks and are in sliding connection with the inner walls of the two sides of the sliding chute, and the top ends of the connecting rods are fixedly connected with the fixing plate.

According to a preferable technical scheme, two ends of one side of the fixing plate are respectively fixedly provided with a telescopic sleeve, one side of each telescopic sleeve is connected with a telescopic rod in an inserting mode, and the telescopic rods are fixedly connected with the limiting plate.

As a preferred technical scheme of the utility model, a first spring is sleeved on the outer side of the telescopic rod, one end of the first spring is fixedly connected with the support plate, and the other end of the first spring is fixedly connected with the limit plate.

As a preferable technical scheme of the present invention, a driving motor is fixedly installed inside the bottom plate, an output shaft of the driving motor penetrates through an inner wall of the cavity, and the output shaft of the driving motor is fixedly connected with the bidirectional lead screw.

According to a preferable technical scheme of the utility model, a hydraulic rod is fixedly arranged in the middle of the inner wall of the top of the supporting seat, a fixed seat is fixedly arranged at the bottom end of the hydraulic rod, and detection needles are arranged on two sides of the bottom end of the fixed seat.

As a preferred technical scheme of the utility model, the middle parts of the inner walls of the bottoms of the two movable grooves are fixedly provided with movable sleeves, the top ends of the movable sleeves are connected with movable rods in an inserting manner, and the movable rods are fixedly connected with the support plate.

As a preferred technical scheme of the utility model, a second spring is sleeved on the outer side of the movable rod, one end of the second spring is fixedly connected with the movable sleeve, and the other end of the second spring is fixedly connected with the carrier plate.

Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a detection jig for a circuit board, which comprises the following components:

two limiting plates are driven to move through the bidirectional screw rod, the circuit boards of different sizes are limited, the limiting plates are tightly attached to the circuit boards through the first springs, the circuit boards can be fixed on the support plate more stably, the pressure of the circuit boards can be reduced when the circuit boards are detected through the sliding of the support plate in the movable groove, the circuit boards are tightly attached to the detection pins, and poor contact is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a fixing plate according to the present invention;

FIG. 3 is a schematic view of the chute structure of the present invention;

fig. 4 is a schematic view of the structure of the movable trough of the present invention.

In the figure: 1. a base plate; 2. a supporting seat; 3. a hydraulic lever; 4. a fixed seat; 5. a detection pin; 6. a chute; 7. a bidirectional lead screw; 8. a drive motor; 9. a slider; 10. a connecting rod; 11. a fixing plate; 12. a telescopic sleeve; 13. a telescopic rod; 14. a limiting plate; 15. a first spring; 16. a movable groove; 17. a carrier plate; 18. a movable sleeve; 19. a movable rod; 20. a second spring.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution of a testing fixture for a circuit board:

the utility model provides a detection tool that circuit board was used, includes bottom plate 1, and bottom plate 1's top is fixed to be equipped with supporting seat 2, and spout 6 has been seted up at the middle part on bottom plate 1 top, and bottom plate 1 has two fixed plates 11 through spout 6 sliding connection, and one side swing joint of fixed plate 11 has limiting plate 14, and movable groove 16 has all been seted up to the both sides on bottom plate 1 top, and the both sides inner wall swing joint of two movable grooves 16 has support plate 17.

Specifically, two carrier plates 17 are symmetrically distributed on two sides of the sliding groove 6, the circuit board is placed on the two carrier plates 17, two detection pins 5 at the bottom end of the fixing seat 4 and the carrier plates 17 are positioned in the same vertical plane, the hydraulic rod 3 drives the first spring 15 to move downwards to detect the circuit board on the carrier plates 17, when in use, the circuit board is placed on the carrier plates 17, the driving motor 8 is started, the output shaft of the driving motor 8 drives the bidirectional screw 7 in the cavity to rotate, so that the two limiting plates 14 move towards each other, the circuit board is clamped between the two limiting plates 14, when the limiting plates 14 are under pressure, the telescopic rod 13 enters the telescopic sleeve 12, the first spring 15 outside the telescopic rod 13 is compressed, so that the limiting plates 14 are pressed by the elastic force of the first spring 15 and are tightly attached to the circuit board, when the detection pins 5 move downwards to perform detection, the carrier plates 17 can move towards the movable groove 16 when the pressure is too large, the pressure on the circuit board is reduced, and the carrier plate 17 is subjected to the elastic force of the second spring 20, so that the circuit board is in closer contact with the detection pin 5, and poor contact is prevented.

Preferably, the cavity has been seted up to the bottom of spout 6, the inside swing joint of cavity has two-way lead screw 7, two-way lead screw 7's both sides are all overlapped and are established and threaded connection has slider 9, the fixed connecting rod 10 that is equipped with in top of two slider 9, connecting

rod

10 and 6 both sides inner wall sliding connection of spout, the top and the fixed plate 11 fixed connection of connecting rod 10, the slider 9 motion in opposite directions at both ends can be driven in the rotation of two-way lead screw 7 in the cavity, make the fixed plate 11 through connecting

rod

10 and 9 fixed connection of slider remove along with it, press from both sides the circuit board tightly.

Preferably, the two ends of one side of the fixing plate 11 are both fixedly provided with the telescopic sleeves 12, one side of each telescopic sleeve 12 is connected with the telescopic rod 13 in an inserting mode, each telescopic rod 13 is fixedly connected with the corresponding limiting plate 14, and when the fixing plate 11 moves, the corresponding limiting plate 14 also moves along with the corresponding limiting plate, so that the limiting plates 14 are attached to the circuit board tightly, and the circuit board is clamped.

Preferably, the outside cover of telescopic link 13 is equipped with first spring 15, and the one end and the support plate 17 fixed connection of first spring 15, the other end and the limiting plate 14 fixed connection of first spring 15, and limiting plate 14 elasticity is given to first spring 15 in the telescopic link 13 outside for limiting plate 14 can be hugged closely with the circuit board, carries out spacingly to the circuit board, prevents that the circuit board skew.

Preferably, the driving motor 8 is fixedly installed inside the bottom plate 1, an output shaft of the driving motor 8 penetrates through the inner wall of the cavity, the output shaft of the driving motor 8 is fixedly connected with the bidirectional screw 7, and the driving motor 8 in the bottom plate 1 drives the bidirectional screw 7 to rotate so as to provide power for movement of the limiting plate 14.

Preferably, the fixed hydraulic stem 3 that is equipped with in middle part of 2 top inner walls of supporting seat, the bottom mounting of hydraulic stem 3 is equipped with fixing base 4, and the both sides of 4 bottoms of fixing base all are equipped with detection needle 5, move down with detection needle 5 through the drive of hydraulic stem 3 fixing base 4, detect the circuit board on support plate 17 through detecting needle 5.

Preferably, the middle parts of the inner walls of the bottoms of the two movable grooves 16 are fixedly provided with movable sleeves 18, the top ends of the movable sleeves 18 are connected with movable rods 19 in an inserting manner, the movable rods 19 are fixedly connected with the carrier plate 17, and the carrier plate 17 can slide in the movable grooves 16 through the movement of the movable rods 19 in the movable sleeves 18, so that the pressure on the circuit board is reduced.

Preferably, the outer side of the movable rod 19 is sleeved with a second spring 20, one end of the second spring 20 is fixedly connected with the movable sleeve 18, the other end of the second spring 20 is fixedly connected with the carrier plate 17, and the carrier plate 17 can be driven by the carrier plate 17 to be tightly attached to the detection needle 5 through the elasticity of the carrier plate 17 given by the second spring 20 on the outer side of the movable rod 19, so that poor contact is avoided.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a detection tool that circuit board was used, includes bottom plate (1), its characterized in that, the fixed supporting seat (2) that are equipped with in top of bottom plate (1), spout (6) have been seted up at the middle part on bottom plate (1) top, bottom plate (1) have two fixed plates (11) through spout (6) sliding connection, one side swing joint of fixed plate (11) has limiting plate (14), movable groove (16), two have all been seted up to the both sides on bottom plate (1) top the both sides inner wall swing joint of movable groove (16) has support plate (17).

2. The inspection jig for circuit boards according to claim 1, wherein: the cavity has been seted up to the bottom of spout (6), the inside swing joint of cavity has two-way lead screw (7), the both sides of two-way lead screw (7) are all overlapped and are established and threaded connection has slider (9), two the top of slider (9) is fixed and is equipped with connecting rod (10), connecting rod (10) and spout (6) both sides inner wall sliding connection, the top and fixed plate (11) fixed connection of connecting rod (10).

3. The inspection jig for circuit boards according to claim 2, wherein: the both ends of one side of fixed plate (11) are all fixed and are equipped with telescope tube (12), one side interlude of telescope tube (12) is connected with telescopic link (13), telescopic link (13) and limiting plate (14) fixed connection.

4. The inspection jig for the circuit board according to claim 3, wherein: the outside cover of telescopic link (13) is equipped with first spring (15), the one end and support plate (17) fixed connection of first spring (15), the other end and limiting plate (14) fixed connection of first spring (15).

5. The inspection jig for circuit boards according to claim 2, wherein: the inner part of the bottom plate (1) is fixedly provided with a driving motor (8), an output shaft of the driving motor (8) penetrates through the inner wall of the cavity, and the output shaft of the driving motor (8) is fixedly connected with a bidirectional lead screw (7).

6. The inspection jig for circuit boards according to claim 1, wherein: the middle part of supporting seat (2) top inner wall is fixed and is equipped with hydraulic stem (3), the bottom mounting of hydraulic stem (3) is equipped with fixing base (4), the both sides of fixing base (4) bottom all are equipped with detection needle (5).

7. The inspection jig for circuit boards according to claim 1, wherein: the middle part of the inner wall of the bottom of each movable groove (16) is fixedly provided with a movable sleeve (18), the top end of each movable sleeve (18) is connected with a movable rod (19) in an inserting mode, and each movable rod (19) is fixedly connected with the corresponding support plate (17).

8. The inspection jig for circuit boards as set forth in claim 7, wherein: the outside cover of movable rod (19) is equipped with second spring (20), the one end and the movable sleeve (18) fixed connection of second spring (20), the other end and support plate (17) fixed connection of second spring (20).