CN220040512U - Circuit board test fixture - Google Patents

Abstract

The utility model relates to the technical field of circuit board testing and discloses a circuit board testing tool which comprises a workbench and supporting legs fixedly connected with the bottom of the workbench, wherein a sliding groove is formed in the workbench, a screw rod is arranged in an inner cavity of the sliding groove, two sliding blocks are connected onto the screw rod in a sliding mode, fixing rods are fixedly connected onto the two sliding blocks, second connecting plates are fixedly connected onto opposite ends of the two fixing rods, reset springs are fixedly connected onto the two second connecting plates, and clamping plates are fixedly connected onto one ends of the two reset springs. According to the utility model, the driving motor is started to drive the two sliding blocks on the screw rod to be close to each other, so that the circuit board is clamped by the two clamping plates, and the second telescopic rod is started to drive the push block on the second telescopic rod to be in contact with the circuit board, so that the circuit board slides onto the buffer cushion from the sloping plate under the thrust of the second telescopic rod, the adjustment can be performed according to the specific size of the circuit board, the circuit board is suitable for most circuit boards, and the tested circuit boards can be conveniently tidied by a tester.

Description

Circuit board test fixture

Technical Field

The utility model relates to the technical field of circuit board testing, in particular to a circuit board testing tool.

Background

Nowadays, manufacturers who produce electronic products often produce circuit boards of some specifications in batches, in order to improve production efficiency, for a large number of circuit boards, special test tools are generally adopted to detect, but in traditional circuit board test tools, a plurality of pairs of circuit boards with dimensions similar to those of the dimensions are detected, adjustment cannot be performed according to specific dimensions of the circuit boards, and a process of summarizing the circuit boards after finishing the test by test staff needs to consume time, so that the improvement of the batch test efficiency of the circuit boards is not facilitated.

Therefore, we propose a circuit board test fixture.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides a circuit board testing tool.

In order to achieve the above purpose, the technical scheme is adopted by the circuit board testing tool, the circuit board testing tool comprises a workbench and supporting legs fixedly connected with the bottom of the workbench, a connecting frame is fixedly connected to the workbench, a first telescopic rod is fixedly connected to the central position of the bottom of an inner cavity of the connecting frame, a plurality of testing needles are arranged below the first telescopic rod, a sliding groove is formed in the workbench, a screw rod is arranged in the inner cavity of the sliding groove, two sliding blocks are connected to the screw rod in a sliding mode, fixing rods are fixedly connected to the two sliding blocks, second connecting plates are fixedly connected to opposite ends of the two fixing rods, reset springs are fixedly connected to the two second connecting plates, clamping plates are fixedly connected to one ends of the two reset springs, a second fixing plate is fixedly connected to the workbench, a sloping plate is fixedly connected to the side wall surface of the workbench far away from the second fixing plate, a second telescopic rod is fixedly connected to the central position of the second fixing plate, and a pushing block is fixedly connected to one end of the second telescopic rod.

Preferably, one end of the screw rod is rotatably connected with a driving motor.

Preferably, a plurality of anti-wear rubbers are fixedly connected to a side wall surface of the push block, which is close to the inclined plate.

Preferably, the side wall surface of the supporting leg is positioned below the sloping plate and is fixedly connected with a first fixing plate.

Preferably, the first fixing plate is fixedly connected with a plurality of damping springs at equal intervals.

Preferably, the damping spring is fixedly connected with a buffer pad.

Advantageous effects

The utility model provides a circuit board testing tool. The beneficial effects are as follows:

(1) This circuit board test fixture, start driving motor drives two sliders on the lead screw and be close to each other for the circuit board is pressed from both sides tightly by two splint, start first telescopic link and drive the test needle on the first connecting plate to press from both sides tight circuit board and be close to next, after the circuit board test, start driving motor again and make two sliders keep away from each other, then start the ejector pad on the second telescopic link and drive the second telescopic link and contact with the circuit board, thereby with the circuit board slide down from the swash plate under the thrust of second telescopic link onto the blotter, can adjust according to the specific size of circuit board, be adapted to most circuit boards, and make things convenient for the tester to arrange in order the circuit board that detects.

(2) This circuit board test fixture through being equipped with damping spring and cushion on first fixed plate, through the mutually supporting of damping spring and cushion, can reduce the impact force of circuit board when accomodating to reduce the injury to circuit board components and parts.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments can be derived from the drawings provided without the inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a side view of the structure of the present utility model;

fig. 3 is a top view of the structure of the present utility model.

Legend description:

1. support legs; 2. a work table; 3. a connection frame; 4. a first telescopic rod; 5. a first connection plate; 6. a test needle; 7. a sloping plate; 8. a cushion pad; 9. a damping spring; 10. a first fixing plate; 11. a second fixing plate; 12. a second telescopic rod; 13. a pushing block; 14. wear-resistant rubber; 15. a chute; 16. a screw rod; 17. a slide block; 18. a driving motor; 19. a fixed rod; 20. a return spring; 21. a clamping plate; 22. and a second connecting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: a circuit board test fixture is shown in fig. 1-3, and comprises a workbench 2, wherein supporting legs 1 are fixedly connected to four end points at the bottom of the workbench 2, and a connecting frame 3 of a C-shaped structure is fixedly connected to the workbench 2.

The center position fixedly connected with first telescopic link 4 of connecting frame 3 inner chamber bottom, the other end fixedly connected with first connecting plate 5 of first telescopic link 4, the bottom of first connecting plate 5 is fixed to be provided with a plurality of test needles 6, test needle 6 runs through first connecting plate 5, the spout 15 has been seted up on the workstation 2, fixedly connected with driving motor 18 on the side wall of spout 15 inner chamber, driving motor 18's a side wall rotates and is connected with lead screw 16, lead screw 16 runs through the inner chamber of spout 15 its other end and rotates and connect on the side wall of spout 15 inner chamber kept away from driving motor 18.

Two sliding blocks 17 are connected to the screw rod 16 in a sliding manner, fixing rods 19 of an L-shaped structure are fixedly connected to the two sliding blocks 17, second connecting plates 22 are fixedly connected to opposite ends of the two fixing rods 19, reset springs 20 are fixedly connected to the center positions of the two second connecting plates 22, opposite side wall surfaces of the two second connecting plates are fixedly connected to the center positions of the two second connecting plates, and clamping plates 21 are fixedly connected to opposite ends of the two reset springs 20.

Fixedly connected with second fixed plate 11 on workstation 2, fixedly connected with swash plate 7 on the lateral wall face that second fixed plate 11 was kept away from to workstation 2, the central point that second fixed plate 11 was close to on the lateral wall face of swash plate 7 puts fixedly connected with second telescopic link 12, the one end fixedly connected with ejector pad 13 of second telescopic link 12, fixedly connected with a plurality of abrasionproof rubber 14 on the lateral wall face that ejector pad 13 is close to swash plate 7, supporting leg 1 lateral wall face is located the below fixedly connected with first fixed plate 10 of swash plate 7, equidistance fixedly connected with a plurality of damping spring 9 on the first fixed plate 10, fixedly connected with blotter 8 on the damping spring 9.

The working principle of the utility model is as follows:

when the test device is used, a circuit board is placed between two clamping plates 21, a driving motor 18 is started to drive two sliding blocks 17 on a screw rod 16 to be close to each other, the circuit board is clamped by the two clamping plates 21, then a first telescopic rod 4 is started to drive a test needle 6 on a first connecting plate 5 to be close to the clamped circuit board, after the test of the circuit board is finished, the driving motor 18 is started again to enable the two sliding blocks 17 to be far away from each other, and then a second telescopic rod 12 is started to drive a push block 13 on the second telescopic rod 12 to be in contact with the circuit board, so that the circuit board slides onto a buffer cushion 8 from a sloping plate 7 under the thrust of the second telescopic rod 12.

When in use, the shock absorbing spring 9 and the buffer pad 8 are arranged on the first fixing plate 10, and the impact force of the circuit board during storage can be reduced through the mutual matching of the shock absorbing spring 9 and the buffer pad 8, so that the damage to components of the circuit board is reduced.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a circuit board test fixture, includes workstation (2) and workstation (2) bottom fixed connection's support leg (1), its characterized in that: fixedly connected with connecting frame (3) on workstation (2), the central point of connecting frame (3) inner chamber bottom puts fixedly connected with first telescopic link (4), be equipped with a plurality of test needle (6) below first telescopic link (4), spout (15) have been seted up on workstation (2), spout (15) inner chamber are equipped with lead screw (16), sliding connection has two sliders (17) on lead screw (16), equal fixedly connected with dead lever (19) on two sliders (17), the equal fixedly connected with second connecting plate (22) of the relative one end of two dead levers (19), fixedly connected with reset spring (20) on two second connecting plates (22), equal fixedly connected with splint (21) of two reset spring (20) one end, fixedly connected with second fixed plate (11) on workstation (2), fixedly connected with swash plate (7) on the lateral wall face that second fixed plate (11) were kept away from to workstation (2), the central point on a lateral wall face that second fixed plate (11) is close to swash plate (7) is fixedly connected with second telescopic link (12), telescopic link (13) of second telescopic link (12).

2. The circuit board test fixture of claim 1, wherein: one end of the screw rod (16) is rotatably connected with a driving motor (18).

3. The circuit board test fixture of claim 1, wherein: a plurality of anti-wear rubbers (14) are fixedly connected to a side wall surface of the pushing block (13) close to the inclined plate (7).

4. The circuit board test fixture of claim 1, wherein: the side wall surface of the supporting leg (1) is positioned below the sloping plate (7) and is fixedly connected with a first fixing plate (10).

5. The circuit board test fixture of claim 4, wherein: a plurality of damping springs (9) are fixedly connected to the first fixing plate (10) at equal intervals.

6. The circuit board test fixture of claim 5, wherein: and a buffer cushion (8) is fixedly connected to the damping spring (9).