CN213796112U

CN213796112U - Clamp for testing PCB

Info

Publication number: CN213796112U
Application number: CN202022657106.2U
Authority: CN
Inventors: 沈志刚; 沈国良
Original assignee: Yuekaite Science & Technology Tongling Co ltd
Current assignee: Yuekaite Science & Technology Tongling Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-27
Anticipated expiration: 2030-11-17

Abstract

The utility model relates to a circuit board testing technique field, and disclose a PCB circuit board test is with anchor clamps, including the workstation, the cross slot has been seted up at the top of workstation, is equipped with the threaded rod in the cross slot, and the both ends of threaded rod all rotate with the both sides wall of cross slot respectively through first swivel sleeve and be connected, and threaded rod threaded connection has first slider, and the top symmetry of workstation is equipped with two limiting plates, a limiting plate and workstation fixed connection, another limiting plate and first slider fixed connection are equipped with elasticity joint mechanism between two limiting plates, still are equipped with stop gear on the workstation. The utility model discloses can be convenient for the quick joint of PCB circuit board with take out, improve the work efficiency that detects, and can inject the position around the PCB circuit board, the accuracy of position when guaranteeing its centre gripping, people's of being convenient for use.

Description

Clamp for testing PCB

Technical Field

The utility model relates to a circuit board test technical field especially relates to a PCB circuit board test is with anchor clamps.

Background

The electrical test is an important link in the manufacture process of the PCB, and aims to check whether the PCB has open or short circuit problems and ensure that the finished product meets the requirements of customers on electrical performance when being shipped. The PCB testing technology is that a testing instrument aligns with a testing point on a tested PCB through a probe on a needle bed testing clamp or an IC clamp, applies a testing signal to the tested PCB through the probe, then measures response, tests the connection correctness of components and wires on the board one by one, and judges whether the PCB has faults by testing each component on the PCB respectively.

Anchor clamps among the prior art need constantly to twist its operating handle and just can carry out the centre gripping to PCB circuit board and take out in the use to influence its detection efficiency, and can not prescribe a limit to the position around the PCB circuit board, lead to its position to take place the skew easily, people's of not being convenient for use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving anchor clamps among the prior art in the use, need constantly move its operating handle to twisting and just can carry out the centre gripping to the PCB circuit board and take out to influence its detection efficiency, and can not prescribe a limit to the position around the PCB circuit board, lead to its position to take place the skew easily, the problem that people used is not convenient for, and the anchor clamps are used in PCB circuit board test that provide.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a clamp for testing a PCB (printed circuit board) comprises a workbench, wherein a transverse groove is formed in the top of the workbench, a threaded rod is arranged in the transverse groove, two ends of the threaded rod are respectively and rotatably connected with two side walls of the transverse groove through first rotating sleeves, a first sliding block is in threaded connection with the threaded rod, two limiting plates are symmetrically arranged above the workbench, one limiting plate is fixedly connected with the workbench, the other limiting plate is fixedly connected with the first sliding block, an elastic clamping mechanism is arranged between the two limiting plates, and a limiting mechanism is further arranged on the workbench;

elasticity latch mechanism includes two fly leaves and a plurality of movable rod, two the lateral wall of one side in opposite directions of fly leaf has all been seted up and has been placed the opening, and is a plurality of the lateral wall fixed connection that one side deviates from respectively with two movable rod, two the lateral wall of limiting plate all seted up a plurality ofly and movable rod assorted through-hole, it is a plurality of the movable rod is located a plurality of through-holes respectively, and the lateral wall of a plurality of movable rods has all seted up the bar hole, and the downthehole fixed block and the spring of being equipped with of bar, the both ends of fixed block all with limiting plate fixed connection, the both ends of spring respectively with the lateral wall fixed connection of bar hole and fixed block.

Preferably, stop gear includes two-way threaded rod, two second sliders and two regulating plates, the top of workstation set up with cross slot mutually perpendicular's perpendicular groove, the both ends of two-way threaded rod all erect the front and back both sides wall rotation connection in groove respectively through the rotatory cover of second, two the second slider all with two-way threaded rod threaded connection, and two second sliders keep away from the setting each other, two the regulating plate all is located the top of workstation, and two regulating plate decibels and two second slider fixed connection.

Preferably, one end of the bidirectional threaded rod and one end of the threaded rod penetrate through the side walls of the vertical groove and the transverse groove respectively and extend outwards, and the two ends of the bidirectional threaded rod and one end of the threaded rod extending to the outside are fixedly connected with the rotating handle respectively.

Preferably, the bottom fixedly connected with a plurality of sucking discs of workstation, it is a plurality of the both sides of sucking disc all are equipped with the backing plate, and backing plate and workstation fixed connection set up.

Preferably, each bar hole all is equipped with the gag lever post, and the both ends of gag lever post all with the both sides wall fixed connection in bar hole, every fixed block and spring are established with every gag lever post movable sleeve respectively.

Preferably, the number of the through holes in each limiting plate is six.

Compared with the prior art, the utility model provides a PCB circuit board test is with anchor clamps possesses following beneficial effect:

1. this anchor clamps are used in test of PCB circuit board through workstation, threaded rod, first slider, two limiting plates and the elasticity latch mechanism that is equipped with, can be convenient for the quick joint of PCB circuit board with take out, improved the work efficiency that detects, the people's of being convenient for use.

2. This anchor clamps are used in test of PCB circuit board through the stop gear who is equipped with, can inject the front and back position of PCB circuit board, the accuracy of position when guaranteeing its centre gripping.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the quick joint that can be convenient for the PCB circuit board with take out, improved the work efficiency that detects, and can inject the position around the PCB circuit board, the accuracy of position when guaranteeing its centre gripping, people's of being convenient for use.

Drawings

Fig. 1 is a schematic structural view of a fixture for PCB board testing according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: 1 workbench, 2 threaded rods, 3 first sliding blocks, 4 limiting plates, 5 movable plates, 6 movable rods, 7 placement openings, 8 fixing blocks, 9 springs, 10 bidirectional threaded rods, 11 second sliding blocks, 12 adjusting plates, 13 rotating handles, 14 suckers, 15 backing plates and 16 limiting rods.

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.

Referring to fig. 1-2, a fixture for testing a PCB (printed circuit board) comprises a workbench 1, wherein a transverse groove is formed in the top of the workbench 1, a threaded rod 2 is arranged in the transverse groove, two ends of the threaded rod 2 are respectively rotatably connected with two side walls of the transverse groove through first rotating sleeves, the threaded rod 2 is in threaded connection with a first slider 3, two limiting plates 4 are symmetrically arranged above the workbench 1, one limiting plate 4 is fixedly connected with the workbench 1, the other limiting plate 4 is fixedly connected with the first slider 3, an elastic clamping mechanism is arranged between the two limiting plates 4, and a limiting mechanism is further arranged on the workbench 1;

elasticity latch mechanism includes two fly leaves 5 and a plurality of movable rod 6, the lateral wall of one side in opposite directions of two fly leaves 5 has all been seted up and has been placed opening 7, the one end of a plurality of movable rod 6 respectively with the lateral wall fixed connection of two fly leaves 5 back of the body from one side, a plurality of and the 6 assorted through-holes of movable rod are all seted up to the lateral wall of two limiting plates 4, a plurality of movable rod 6 are located a plurality of through-holes respectively, and the bar hole has all been seted up to the lateral wall of a plurality of movable rod 6, and the downthehole fixed block 8 and the spring 9 of being equipped with of bar, the both ends of fixed block 8 all with limiting plate 4 fixed connection, the both ends of spring 9 respectively with the lateral wall fixed connection of bar hole and fixed block 8.

Stop gear includes two-way threaded rod 10, two second sliders 11 and two regulating plates 12, the top of workstation 1 seted up with horizontal groove mutually perpendicular's perpendicular groove, the both ends of two-way threaded rod 10 all erect the front and back both sides wall rotation connection in groove respectively through the rotatory cover of second, two second sliders 11 all with two-way threaded rod 10 threaded connection, and two second sliders 11 keep away from the setting each other, two regulating plates 12 all are located the top of workstation 1, and 12 decibels of two regulating plates and two 11 fixed connection of second sliders.

One ends of the bidirectional threaded rod 10 and the threaded rod 2 penetrate through the side walls of the vertical groove and the transverse groove respectively and extend outwards, and the bidirectional threaded rod 10 and the threaded rod 2 extend to the outside and are fixedly connected with a rotating handle 13, so that the bidirectional threaded rod 10 and the threaded rod 2 can be conveniently screwed to rotate.

A plurality of sucking discs 14 of bottom fixedly connected with of workstation 1, a plurality of sucking discs 14's both sides all are equipped with backing plate 15, and backing plate 15 and 1 fixed connection of workstation set up, and sucking disc 13 can adsorb on the desktop, improves the stability in the 1 use of workstation.

Every bar hole all is equipped with

gag lever post

16, and 16 both ends of gag lever post all with the both sides wall fixed connection in bar hole, every fixed block 8 and spring 9 are established with 16 movable sleeves of every gag lever post respectively, prevent that spring 9 from taking place deformation in the use.

The number of the through holes on each limiting plate 4 is six, so that the moving stability of the movable plate 5 is guaranteed.

In the utility model, when in use, a rotating handle 13 is twisted to drive the threaded rod 2 to rotate through the threaded rod 2, so as to drive the first sliding block 3 to move, the distance between the two limiting plates 4 is adjusted, the PCB circuit board is pressed downwards through the two movable plates 5 and the placing opening 7, so that the two movable plates 5 can be pressed away from each other and clamped into the placing opening 7, the tension of the spring 9 can drive the movable rod 6 to move through the fixed block 8 and the spring 9, the movable rod 6 can drive the movable plate 5 to move, so as to ensure the stability of the PCB circuit board card and the PCB circuit board in the placing opening 7, and the PCB circuit board can be pulled upwards, the movable plate 5 can be driven to move, so as to facilitate the quick clamping and the taking out of the PCB circuit boards with different sizes, thereby facilitating the use of people, and further through the two-way threaded rod 10, twist and move another turning handle 13 and can drive two-way threaded rod 10 rotatory, and then make two second sliders 11 be close to each other and keep away from, make second slider 11 drive regulating plate 12 and remove to can prescribe a limit to the position around the PCB circuit board through regulating plate 12, prevent that it from rocking around when the centre gripping.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The clamp for the PCB test comprises a workbench (1), and is characterized in that a transverse groove is formed in the top of the workbench (1), a threaded rod (2) is arranged in the transverse groove, two ends of the threaded rod (2) are respectively and rotatably connected with two side walls of the transverse groove through first rotary sleeves, a first slider (3) is in threaded connection with the threaded rod (2), two limiting plates (4) are symmetrically arranged above the workbench (1), one limiting plate (4) is fixedly connected with the workbench (1), the other limiting plate (4) is fixedly connected with the first slider (3), an elastic clamping mechanism is arranged between the two limiting plates (4), and a limiting mechanism is further arranged on the workbench (1);

elasticity latch mechanism includes two fly leaves (5) and a plurality of movable rod (6), two the lateral wall of one side is carried on the back respectively with two fly leaves (5) to the lateral wall of fly leaf (5) one side has all been seted up and has been placed opening (7), and is a plurality of the lateral wall fixed connection of one side of carrying on the back, two of movable rod (6) the lateral wall of limiting plate (4) has all been seted up a plurality ofly and movable rod (6) assorted through-hole, and is a plurality of movable rod (6) are located a plurality of through-holes respectively, and the lateral wall of a plurality of movable rod (6) has all seted up the bar hole, and the downthehole fixed block (8) and spring (9) of being equipped with of bar, the both ends of fixed block (8) all with limiting plate (4) fixed connection, the both ends of spring (9) respectively with the lateral wall fixed connection of bar hole and fixed block (8).

2. The fixture for testing the PCB as claimed in claim 1, wherein the limiting mechanism comprises a bidirectional threaded rod (10), two second sliders (11) and two adjusting plates (12), vertical grooves perpendicular to the transverse grooves are formed in the top of the workbench (1), the two ends of the bidirectional threaded rod (10) are rotatably connected with the front side wall and the rear side wall of each vertical groove through second rotary sleeves respectively, the two second sliders (11) are connected with the bidirectional threaded rod (10) in a threaded manner, the two second sliders (11) are far away from each other, the two adjusting plates (12) are located above the workbench (1), and the two adjusting plates (12) are fixedly connected with the two second sliders (11) in decibel.

3. The fixture for testing the PCB as claimed in claim 2, wherein one end of the bidirectional threaded rod (10) and one end of the threaded rod (2) respectively penetrate through the side walls of the vertical groove and the horizontal groove and extend outwards, and the ends of the bidirectional threaded rod (10) and the threaded rod (2) extending to the outside are fixedly connected with a rotating handle (13).

4. The fixture for testing the PCB as claimed in claim 1, wherein a plurality of suckers (14) are fixedly connected to the bottom of the workbench (1), pad plates (15) are respectively arranged on two sides of the suckers (14), and the pad plates (15) are fixedly connected with the workbench (1).

5. The fixture for testing the PCB as claimed in claim 1, wherein each of the bar holes is provided with a limiting rod (16), two ends of each limiting rod (16) are fixedly connected with two side walls of the bar hole, and each of the fixing blocks (8) and the springs (9) is movably sleeved with each limiting rod (16).

6. The fixture for testing the PCB according to claim 1, wherein the number of the through holes on each limiting plate (4) is six.