CN209167357U - A kind of lifting device for circuit board testing tooling - Google Patents
A kind of lifting device for circuit board testing tooling Download PDFInfo
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- CN209167357U CN209167357U CN201821656112.2U CN201821656112U CN209167357U CN 209167357 U CN209167357 U CN 209167357U CN 201821656112 U CN201821656112 U CN 201821656112U CN 209167357 U CN209167357 U CN 209167357U
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- circuit board
- spring
- limit
- test
- support ring
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Abstract
The utility model relates to a kind of lifting devices for circuit board testing tooling, belong to machinery field.In order to solve the detection trivial operations of circuit board in the prior art, and the problem of needing multiple swappable device, propose a kind of technical solution are as follows: a kind of lifting device for circuit board testing tooling includes bottom plate, test equipment frame and elevating mechanism, and elevating mechanism includes spring pedestal, bearing spring, elevating lever, support ring, stop nut and position-limit mechanism；Test equipment frame is fixed in support ring for fixed test needle bed, circuit board under test.First circuit board under test and support ring are pressed down when test, so that circuit board under test contacts well with elastic probe；Support ring no longer acts on limit plate at this time, and limit plate can pop up from square aperture under the action of limit spring, prevent circuit board under test from moving up；Detection device is then turned on to be detected.The inconvenience during circuit board testing can be reduced using the utility model, keep entire test process more convenient.
Description
Technical field
The utility model relates to a kind of lifting devices, and in particular to a kind of lifting device for circuit board testing tooling.
Background technique
The general of circuit board testing of existing small lot production uses manual testing, and test probe is connected to circuit board
On each test point tested.But when thering are tens test points to need to connect on one piece of circuit board, the mistake of test
Journey can be extremely complex, high labor cost and low efficiency, and the plug of test equipment often plugs and is easy to make during the test
At the failure of test circuit.Publication date is on September 12nd, 2012, is disclosed in the Chinese patent of Publication No. CN202433494U
A kind of sensor of capacitive touch screen and the test fixture of printed circuit board, the utility model structure is complex, cannot be fast
Circuit board is tested on fast ground.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
Reason, can simplify the lifting device for circuit board testing tooling of circuit board testing process.
The technical scheme in the invention for solving the above technical problem is: this is used for the lifting dress of circuit board testing tooling
It sets including bottom plate, test equipment frame；The test equipment frame is fixed on bottom plate；It is characterized in that, further including four construction phases
Same elevating mechanism；The elevating mechanism includes spring pedestal, bearing spring, elevating lever, support ring, stop nut and position restrainer
Structure；The spring pedestal is fixed on bottom plate；The elevating lever is fixed on spring pedestal；The support ring and elevating lever slide
Connection；The bottom end of the bearing spring is fixed on spring pedestal, and the top of the bearing spring is fixed in support ring；It is described
Elevating lever is located among bearing spring；The stop nut is fixed on the top of elevating lever；Blind hole is equipped in the elevating lever,
The blind hole is equipped with square aperture；The position-limit mechanism includes limit spring, baffle, limit plate, upper guided way and lower guided way；
The limit spring is arranged in blind hole, and one end of the limit spring connects blind hole, the other end connection of the limit spring
Baffle；The width of the baffle is greater than the width of square aperture；The limit plate is fixed on baffle, the limit plate with it is rectangular
Opening cooperation；The upper guided way and lower guided way are each attached on the hole wall of blind hole, on the upper guided way and lower guided way
It is equipped with guide groove, the upper and lower surface of the baffle is equipped with gib block, and the gib block and guide groove cooperate.The utility model
In, for test equipment frame for fixed test needle bed, test needle bed is equipped with several elastic probes, each probe correspond to
A test point on slowdown monitoring circuit plate, external detection device are connect with test needle bed；Circuit board under test is fixed in support ring,
Since circuit board under test has accomplished fluently the circular hole of four cooperation elevating levers in advance, the elevating lever in elevating mechanism can pass through electricity to be measured
Circular hole on the plate of road.Bearing spring in elevating mechanism, elevating lever and support ring can be designed so that circuit board under test can be square
Being moved on elevating lever just, and after being completed, circuit under test sheet reset can be made；Limit plate and gear in position-limit mechanism
Plate can be moved along upper guided way and lower guided way；Before test, due to the effect of support ring, limit spring, which is in, compresses shape
State, limit plate also is located in blind hole at this time；When test, push circuit board under test, support ring also moves, circuit board always under
Straightening contacts well to circuit board with elastic probe, and limit plate can pop up just at this time, since the width of baffle is greater than blind hole
The width of square aperture, baffle can be limited spring and be extruded at square opening without will pop up blind hole, and limit plate can be right
Circuit board under test plays position-limiting action, so that circuit board under test is well contacted with elastic probe holding always during the test；
It is completed, limit plate is pushed into blind hole, so that it may allow support ring and circuit under test sheet reset.
Preferably, upper guided way described in the utility model includes two parallel with the guide groove on lower guided way
Groove, the gib block of the upper and lower surface of the baffle include two parallel raised lines.Design guide effect in this way is more preferable.
The utility model compared with prior art, has the following advantages that and effect: in the utility model, test equipment frame is used
Needle bed is tested in fixed, circuit board under test is fixed in support ring, and elevating lever passes through circuit board under test.The utility model is made
When industry, first circuit board under test is pressed down, circuit board under test can decline along elevating lever, so that circuit board under test and test needle bed
On elastic probe contact it is good；Support ring no longer acts on limit plate at this time, so limit plate is made in the elastic force of limit spring
Under, it can be popped up from square aperture, limit plate can make circuit board under test keep connecing with elastic probe during the test
Good state is touched no longer to move up；Detection device is then turned on to be detected.It can be reduced using the utility model in electricity
Inconvenience in the plate test process of road, keeps entire test process more convenient, and does not need to plug detection device repeatedly, prevents
Only test circuit breaks down in the detection process.
Detailed description of the invention
Fig. 1 is the schematic view of the front view in the utility model embodiment for the lifting device of circuit board testing tooling.
Fig. 2 is the schematic view of the front view of elevating mechanism when support ring does not push in the utility model embodiment.
Fig. 3 is the schematic view of the front view of elevating mechanism when support ring pushes in the utility model embodiment.
Fig. 4 is the right side structural representation of elevating mechanism when support ring pushes in the utility model embodiment.
In figure: 1- bottom plate；2- test equipment frame；3- spring pedestal；4- bearing spring；5- elevating lever；6- support ring；7- limit
Position nut；8- position-limit mechanism；51- blind hole；52- square aperture；81- limit spring；82- baffle；83- limit plate；It is oriented on 84-
Rail；Guided way under 85-.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Referring to Fig. 1 to Fig. 4, the lifting device for circuit board testing tooling in the present embodiment includes bottom plate 1, tester
Device frame 2 and the identical elevating mechanism of four constructions；Test equipment frame 2 is fixed on bottom plate 1.Test equipment frame 2 is surveyed for fixed
Test point bed, test needle bed are equipped with several elastic probes, and each probe corresponds to a test point on circuit board under test,
External detection device is connect with test needle bed.
Elevating mechanism in the present embodiment includes spring pedestal 3, bearing spring 4, elevating lever 5, support ring 6, stop nut 7
With position-limit mechanism 8；Spring pedestal 3 is fixed on bottom plate 1；Elevating lever 5 is fixed on spring pedestal 3；Support ring 6 and elevating lever 5
It is slidably connected；The bottom end of bearing spring 4 is fixed on spring pedestal 3, and the top of bearing spring 4 is fixed in support ring 6；Lifting
Bar 5 is located among bearing spring 4；Stop nut 7 is fixed on the top of elevating lever 5；Blind hole 51, blind hole 51 are equipped in elevating lever 5
Equipped with square aperture 52；Circuit board under test is fixed in support ring 6, since circuit board under test has accomplished fluently four cooperation liftings in advance
The circular hole of bar 5, the elevating lever 5 in elevating mechanism can pass through the circular hole on circuit board under test.Circuit board under test can be with support
Ring 6 moves on elevating lever 5 together.
Position-limit mechanism 8 includes limit spring 81, baffle 82, limit plate 83, upper guided way 84 and lower guided way 85；Limit bullet
Spring 81 is arranged in blind hole 51, and one end of limit spring 81 connects blind hole 51, and the other end of limit spring 81 connects baffle 82；Gear
The width of plate 82 is greater than the width of square aperture 52；Limit plate 83 is fixed on baffle 82, and limit plate 83 is matched with square aperture 52
It closes；Upper guided way 84 and lower guided way 85 are each attached on the hole wall of blind hole 51, are all provided on upper guided way 84 and lower guided way 85
There is guide groove, the upper and lower surface of baffle 82 is equipped with gib block, and the guide groove on upper guided way 84 and lower guided way 85 includes
Two parallel grooves, the gib block of the upper and lower surface of baffle 82 include two parallel raised lines, and gib block is matched with guide groove
It closes.Limit plate 83 and baffle 82 can be moved along upper guided way 84 and lower guided way 85 in position-limit mechanism；Before test, due to branch
The effect of pushing out ring 6, limit spring 81 are in impaction state, and limit plate 83 also is located in blind hole 51 at this time；When test, push to be measured
Circuit board, support ring 6 also move, circuit board under test push always until circuit board under test contacted with elastic probe well,
Limit plate 83 can pop up just at this time, and since the width of baffle 82 is greater than the width of square aperture 52, baffle 82 can be limited
Spring 81 is extruded at square opening 52 without will pop up blind hole 51, and limit plate 83 can play limit to circuit board under test and make
With so that circuit board under test is well contacted with elastic probe holding always during the test.
When the present embodiment operation, first test needle bed is fixed on test equipment frame 2, test needle bed and external tester
Device connection；Circuit board under test is fixed in support ring 6 again, and elevating lever 5 is made to pass through the circular hole on circuit board under test；Then
Circuit board under test is pressed down, circuit board under test and support ring 6 can decline along elevating lever 5, so that circuit board under test and test
Elastic probe contact on needle bed is good；Support ring 6 no longer acts on limit plate 83 at this time, so limit plate 83 is in limit spring
Under 81 elastic force effect, it can be popped up from square aperture 52, limit plate 83 can make circuit board under test protect during the test
It holds and contacts good state with elastic probe and no longer move up；Detection device is then turned on to detect circuit board under test；Test
After, limit plate 83 is pushed into blind hole 51, circuit board under test and support ring 6 is allowed to reset.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of components are named
Title etc. can be different, and above content is only to the utility model structure example explanation described in this specification.
All equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are wrapped
It includes in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to described
Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (2)
1. a kind of lifting device for circuit board testing tooling, including bottom plate (1), test equipment frame (2)；The test equipment
Frame (2) is fixed on bottom plate (1)；It is characterized in that, further including the identical elevating mechanism of four constructions；The elevating mechanism includes
Spring pedestal (3), bearing spring (4), elevating lever (5), support ring (6), stop nut (7) and position-limit mechanism (8)；The spring
Pedestal (3) is fixed on bottom plate (1)；The elevating lever (5) is fixed on spring pedestal (3)；The support ring (6) and elevating lever
(5) it is slidably connected；The bottom end of the bearing spring (4) is fixed on spring pedestal (3), and the top of the bearing spring (4) is solid
It is scheduled on support ring (6)；The elevating lever (5) is located among bearing spring (4)；The stop nut (7) is fixed on elevating lever
(5) top；Blind hole (51) are equipped in the elevating lever (5), the blind hole (51) is equipped with square aperture (52)；The limit
Mechanism (8) includes limit spring (81), baffle (82), limit plate (83), upper guided way (84) and lower guided way (85)；The limit
Position spring (81) is arranged in blind hole (51), and one end of the limit spring (81) connects blind hole (51), the limit spring
(81) the other end connects baffle (82)；The width of the baffle (82) is greater than the width of square aperture (52)；The limit plate
(83) it is fixed on baffle (82), the limit plate (83) and square aperture (52) cooperate；The upper guided way (84) and under lead
It is each attached on the hole wall of blind hole (51) to rail (85), is equipped with guiding on the upper guided way (84) and lower guided way (85)
Slot, the upper and lower surface of the baffle (82) are equipped with gib block, and the gib block and guide groove cooperate.
2. the lifting device according to claim 1 for circuit board testing tooling, which is characterized in that the upper guided way
(84) groove that include two with the guide groove on lower guided way (85) parallel, the guiding of the upper and lower surface of the baffle (82)
Item includes two parallel raised lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821656112.2U CN209167357U (en) | 2018-10-12 | 2018-10-12 | A kind of lifting device for circuit board testing tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821656112.2U CN209167357U (en) | 2018-10-12 | 2018-10-12 | A kind of lifting device for circuit board testing tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209167357U true CN209167357U (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821656112.2U Active CN209167357U (en) | 2018-10-12 | 2018-10-12 | A kind of lifting device for circuit board testing tooling |
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| CN (1) | CN209167357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960451A (en) * | 2021-10-28 | 2022-01-21 | 广州辰创科技发展有限公司 | Universal structure for testing circuit board function |
-
2018
- 2018-10-12 CN CN201821656112.2U patent/CN209167357U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960451A (en) * | 2021-10-28 | 2022-01-21 | 广州辰创科技发展有限公司 | Universal structure for testing circuit board function |
| CN113960451B (en) * | 2021-10-28 | 2024-01-16 | 广州辰创科技发展有限公司 | Universal architecture for testing circuit board functions |
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