CN212060481U

CN212060481U - SMD triode testing arrangement

Info

Publication number: CN212060481U
Application number: CN202020691313.7U
Authority: CN
Inventors: 杨斌; 黄峰荣; 何秋生
Original assignee: Suining Hexin Semiconductor Co ltd
Current assignee: Suining Hexin Semiconductor Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-01
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a SMD triode testing arrangement, including testing arrangement body and testboard, the side is looked the bench and is inlayed and is equipped with the damping axle sleeve, it has the damping pivot to slide in the damping axle sleeve and peg graft, the upper end welded fastening of damping pivot has the backup pad, the spout has been seted up in the backup pad, slidable mounting has two sliders in the spout, the upper portion welded fastening of slider has splint, the equal welded fastening in both sides of backup pad has first swivel bearing, two the threaded hole has all been seted up to the lateral part of slider, the threaded rod is installed to the screw hole internal thread, the threaded rod runs through in the spout, and the fixed grafting of threaded rod is in the inner circle of two first swivel bearing, the testing arrangement body passes through the bolt and installs on the testboard. The utility model discloses can fix the cubic SMD triode of multiple not equidimension to can rotate SMD triode after fixed, use when being convenient for test.

Description

SMD triode testing arrangement

Technical Field

The utility model belongs to the technical field of SMD triode test, concretely relates to SMD triode testing arrangement.

Background

The patch triode basically has the function of amplification, can amplify a weak electric signal to a certain intensity, of course, the conversion still follows energy conservation, and only converts the energy of a power supply into the energy of the signal, and when a tiny current is added on the base electrode of the triode, a current which is beta times of an injected current, namely a collector current, can be obtained on a collector. And the small change of the base current can cause the large change of the collector current, which is the amplification effect of the patch triode.

When a surface mount type triode of equipment is tested, a universal meter is generally adopted for testing, but in the testing process, when a detection head is in contact with the surface mount type triode, no fixing mechanism which can be used exists, the surface mount type triode is easy to move disorderly, and the accuracy of a testing result is easy to influence.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a SMD triode testing arrangement, through this testing arrangement, can fix the cubic SMD triode of multiple not equidimension to can rotate SMD triode after fixed, use when being convenient for test, with the problem of proposition in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a SMD triode testing device, includes testing device body and testboard, it is equipped with the damping axle sleeve to inlay on the side-looking platform, it has the damping pivot to slide to peg graft in the damping axle sleeve, the upper end welded fastening of damping pivot has the backup pad, the spout has been seted up in the backup pad, slidable mounting has two sliders in the spout, the upper portion welded fastening of slider has splint, the equal welded fastening in both sides of backup pad has first rotating bearing, two the lateral part of slider all sets up threaded hole, threaded hole installs the threaded rod, the threaded rod runs through in the spout, and the fixed grafting of threaded rod is in the inner circle of two first rotating bearing, the testing device body passes through the bolt and installs on the testboard.

Preferably, the two sliding blocks are symmetrically arranged relative to the central line of the sliding groove, the number of the clamping plates is the same as that of the sliding blocks, and a rubber pad is fixedly bonded to one side of each clamping plate.

Preferably, the thread pitches of the threaded holes on the two sliding blocks are the same, and the thread directions are opposite.

Preferably, a hand wheel is welded and fixed at one end of the threaded rod, and a rubber layer is fixedly bonded on a hand-held part of the hand wheel.

Preferably, the inner wall of spout and the lateral wall clearance sliding fit of slider, and the clearance is not more than 0.01mm, the slider sets up to the type of protruding slider, the spout sets up to the type of protruding spout.

Preferably, a second rotating bearing is welded and fixed on the table top of the test table, and the damping rotating shaft is fixedly inserted into an inner ring of the second rotating bearing.

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

1. the patch type triode is placed on the supporting plate, the sliding block relatively moves along the sliding groove by rotating the threaded rod, so that the clamping plate relatively moves to clamp two sides of the patch type triode without the electrode, the fixation of the patch type triode can be released by reversely rotating the threaded rod, the operation of a user is facilitated, and the patch type triode with different sizes can be fixed;

2. the supporting plate can be rotated by matching the damping rotating shaft with the damping shaft sleeve, and after the rotation is completed, the supporting plate can be fixed through resistance between the damping rotating shaft and the damping shaft sleeve, the supporting plate can not rotate independently, when the electrodes on two sides of the surface mount type triode are required to be tested, the fixing of the surface mount type triode is not required to be contacted, the electrodes on two sides of the surface mount type triode can be tested, and the operation of a user is facilitated.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the test bed of the present invention;

fig. 3 is a schematic sectional view of the chute of the present invention.

In the figure: 1. a testing device body; 2. a test bench; 3. a damping shaft sleeve; 4. a damping rotating shaft; 5. a support plate; 6. a chute; 7. a slider; 8. a splint; 9. a first rotating bearing; 10. a threaded hole; 11. a threaded rod; 12. a rubber pad; 13. a hand wheel; 14. a second rotational bearing.

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

Referring to fig. 1-3, the present invention provides a technical solution:

a surface mount type triode testing device comprises a testing device body 1 and a testing platform 2, wherein a damping shaft sleeve 3 is embedded in the testing platform 2, a damping rotating shaft 4 is inserted in the damping shaft sleeve 3 in a sliding mode, a second rotating bearing 14 is fixedly welded on a platform surface of the testing platform 2, the damping rotating shaft 4 is fixedly inserted in an inner ring of the second rotating bearing 14, the damping rotating shaft 4 can be supported in an auxiliary mode, the stability of the damping rotating shaft 4 is improved, and a supporting plate 5 is fixedly welded at the upper end of the damping rotating shaft 4;

the supporting plate 5 is provided with a sliding groove 6, two sliding blocks 7 are arranged in the sliding groove 6 in a sliding mode, the inner wall of the sliding groove 6 is in clearance sliding fit with the side wall of each sliding block 7, the clearance is not more than 0.01mm, the sliding blocks 7 are arranged into convex sliding blocks, the sliding groove 6 is arranged into convex sliding grooves, when the sliding blocks 7 slide by rotating a threaded rod 11, too large resistance cannot exist, clamping plates 8 are welded and fixed on the upper portions of the sliding blocks 7, the two sliding blocks 7 are symmetrically arranged relative to the central line of the sliding groove 6, the number of the clamping plates 8 is the same as that of the sliding blocks 7, a rubber pad 12 is fixedly bonded on one side of each clamping plate 8, the clamping plates 8 can be in flexible contact with the surface mount type triode, damage to the surface of the mount type triode is not easy to cause, first rotating bearings 9 are welded and fixed on, screw thread opposite direction, can be behind rotatory threaded rod 11, make two slider 7 relative movement, threaded rod 11 is installed to screw hole 10 internal thread, the one end welded fastening of threaded rod 11 has hand wheel 13, the bonding is fixed with the rubber layer on the handheld portion of hand wheel, convenience of customers rotatory threaded rod 11 carries out the centre gripping to SMD triode fixed, threaded rod 11 runs through in spout 6, and threaded rod 11 is fixed to be pegged graft in the inner circle of two first rotating bearing 9, testing arrangement body 1 passes through the bolt and installs on testboard 2.

The structure principle is as follows: when the fixing device is used, the patch type triode is placed on the supporting plate 5, the sliding block 7 moves relatively along the sliding groove 6 by rotating the threaded rod 11, so that the clamping plate 8 moves relatively to clamp two sides of the patch type triode without the electrode, the fixing of the patch type triode can be released by rotating the threaded rod 11 reversely, the operation of a user is facilitated, and the fixing device can be used for fixing block patch type triodes of different sizes; use through damping pivot 4 and damping axle sleeve 3's cooperation, can rotate backup pad 5 to rotatory back of accomplishing, through the resistance between damping pivot 4 and damping axle sleeve 3, can fix backup pad 5, can not independently rotate, when needs test the electrode of SMD triode both sides, need not the fixed of contact SMD triode, can test the both sides electrode of SMD triode, convenience of customers operates.

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 SMD triode testing arrangement, includes testing arrangement body (1) and testboard (2), its characterized in that: a damping shaft sleeve (3) is embedded on the test board (2), a damping rotating shaft (4) is inserted in the damping shaft sleeve (3) in a sliding way, a supporting plate (5) is welded and fixed at the upper end of the damping rotating shaft (4), a sliding groove (6) is arranged on the supporting plate (5), two sliding blocks (7) are arranged in the sliding groove (6) in a sliding way, the upper parts of the sliding blocks (7) are fixedly welded with clamping plates (8), first rotating bearings (9) are welded and fixed on two sides of the supporting plate (5), threaded holes (10) are formed in the side portions of the two sliding blocks (7), a threaded rod (11) is arranged in the threaded hole (10) in a threaded manner, the threaded rod (11) penetrates through the sliding groove (6), and the threaded rod (11) is fixedly inserted in the inner rings of the two first rotating bearings (9), the testing device body (1) is installed on the testing platform (2) through bolts.

2. The device of claim 1, wherein: the two sliding blocks (7) are symmetrically arranged relative to the central line of the sliding groove (6), the number of the clamping plates (8) is the same as that of the sliding blocks (7), and a rubber pad (12) is fixedly bonded on one side of each clamping plate (8).

3. The device of claim 1, wherein: the thread pitches of the threaded holes on the two sliding blocks (7) are the same, and the thread directions are opposite.

4. The device of claim 1, wherein: and a hand wheel (13) is fixedly welded at one end of the threaded rod (11), and a rubber layer is fixedly bonded on the hand-held part of the hand wheel.

5. The device of claim 1, wherein: the inner wall of spout (6) and the lateral wall clearance sliding fit of slider (7), and the clearance is not more than 0.01mm, slider (7) set up to type of protruding slider, spout (6) set up to type of protruding spout.

6. The device of claim 1, wherein: a second rotating bearing (14) is fixedly welded on the table top of the test table (2), and the damping rotating shaft (4) is fixedly inserted into an inner ring of the second rotating bearing (14).