CN206248693U - A kind of pair of depression bar circuit board function test fixture - Google Patents
A kind of pair of depression bar circuit board function test fixture Download PDFInfo
- Publication number
- CN206248693U CN206248693U CN201621363687.6U CN201621363687U CN206248693U CN 206248693 U CN206248693 U CN 206248693U CN 201621363687 U CN201621363687 U CN 201621363687U CN 206248693 U CN206248693 U CN 206248693U
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- CN
- China
- Prior art keywords
- protective cover
- circuit board
- depression bar
- movable part
- casing
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Abstract
The utility model provides a kind of pair of depression bar circuit board function test fixture, including casing, the support plate being arranged on casing, protective cover and pressing plate, pressing plate two ends are all flexibly connected by connecting shaft with protective cover, and the connecting shaft opposing platen the other end be connected with for drive connecting shaft move depression bar；Connected by connecting rod between two depression bars；Two depression bars are driven to move by connecting rod, pressing plate is fixedly installed several test probes for being used to contact and be detected with circuit board under test towards support plate side on casing, the design simple structure, it is easy to operate, low manufacture cost, good using effect can be brought, double depression bars can provide larger probe contact, reduction cannot be tested caused by the loose contact because of probe with circuit board test point, because pressing plate is rigidly good, and there are two stress points, so, double depression bar fixtures can provide bigger lower pressure, good test condition can be provided for the more circuit-under-test plate of test point.
Description
[technical field]
The utility model is related to test fixture technical field, more particularly to a kind of operation is flexibly, adapts to wide, and test is accurate
Degree is high, Stability Analysis of Structures, product test degree of safety to be measured double depression bar circuit board function test fixtures high.
[background technology]
With gradually improving for science and technology, many links for needing manually to detect one by one before are gradually substituted by machine, no
Only efficiency aspect is greatly improved, and detection accuracy there has also been very big improvement, and yields is improved.
Circuit board function test fixture is the conventional tool in circuit board detecting field, and its simple structure is pressed by pressing plate
In being placed with the support plate of circuit board, you can circuit board is detected, operation is simple, efficiency high.But electricity conventional at present
Road board function testing fixture all existence and stabilities are low, the short problem of service life, such as when circuit-under-test board size is larger, test point
During the more or irregular profile of number, due to only having singular association point to be contacted with pressing plate, after pressing plate is pushed, pressure is likely to result in
Plate Inward deflection, causes circuit-under-test plate and probe loose contact and influences test.
Based on above mentioned problem, the service life of such tool how could is effectively improved, enhancing value, reduction is repaired into
Sheet, and can simultaneously ensure the personal safety of operating personnel, it is the problem that those skilled in the art often considers, also targetedly
Carrying out substantial amounts of research and development and experiment, achieve preferable achievement.
[utility model content]
To overcome the problems of prior art, the utility model provides a kind of operation flexibly, adapts to wide, and test is accurate
Exactness is high, Stability Analysis of Structures, product test degree of safety to be measured double depression bar circuit board function test fixtures high.
The scheme that the utility model solves technical problem is to provide a kind of pair of depression bar circuit board function test fixture, including case
Body, be arranged on casing be used for fixed placement circuit board under test support plate is flexibly connected with casing and can be rotated around casing prevent
Shield and be arranged inside protective cover, can be moved in parallel with respect to protective cover, for contacted with circuit board under test conducting pressing plate；
The pressing plate two ends are all flexibly connected by connecting shaft with protective cover, and in the other end of the connecting shaft opposing platen
It is connected with the depression bar for driving connecting shaft to move；Connected by connecting rod between two depression bar；By connecting rod band
Dynamic two depression bars movement；
The pressing plate is fixedly installed several for contacting and carrying out with circuit board under test towards support plate side on casing
The test probe of detection.
Preferably, public fastener is provided with the casing, is provided with what is matched with the public fastener on protective cover
Master card component, when protective cover is closed, public fastener is fixed with master card component, is by separating public fastener and master card component
Can opening protection function cover.
Preferably, the pneumatic spring for driving protective cover to open is connected between the protective cover and casing.
Preferably, the depression bar includes plunger body, the first movable part and the second movable part；Plunger body, first live
Mutually it is flexibly connected between moving part and the second movable part, connecting shaft is flexibly connected after the protective cover with the first movable part；
When plunger body is moved to side away from the first movable part and the second movable part, the folder between the first movable part and the second movable part
Angle reduces, then drive connecting shaft to move down by the first movable part；When plunger body is moved near the first movable part and the second movable part
When dynamic, the angle between the first movable part and the second movable part becomes big, then pulled by the first movable part and moved in connecting shaft.
Preferably, the master card component is arranged at the termination position at protective cover folding end, by rotary shaft with respect to protective cover
Rotation；And the fastening end of the master card component is in overhead kick shape；Master card component by overhead kick catch on casing set with overhead kick shape
The public fastener of matching.
Preferably, one end of the pneumatic spring is connected with protective cover, and is set with the rotation portion of casing near protective cover
Put, the other end is connected with casing.
Preferably, the quantity of the master card component is two, and is set and two master cards conjunctions in the upper end of master card component
The handle that part is flexibly connected.
Preferably, the protective cover is made using acrylic material
Preferably, multiple control buttons and signal lamp and alarm lamp are additionally provided with the casing.
Preferably, the protective cover is connected with casing by articulate.
Compared with prior art, a kind of pair of depression bar circuit board function test fixture of the utility model by pressing plate two ends all
It is flexibly connected with protective cover by connecting shaft, and drives two depression bars simultaneously mobile by connecting rod, such design is just improved
The situation that original design only drives pressing plate to move up and down by single point, it is to avoid cause the depression of pressing plate, damages pressing plate, influence inspection
Effect is surveyed, the design simple structure, easy to operate, low manufacture cost can bring good using effect, and double depression bars can be carried
For larger probe contact, it is easy to operate, reduction cannot caused by the loose contact because of probe with circuit board test point
Test, because pressing plate is rigidly good, and has two stress points, so, double depression bar fixtures can provide bigger lower pressure, can be with
For the more circuit-under-test plate of test point provides good test condition.
[brief description of the drawings]
Fig. 1 is a kind of pair of side status structural representation of depression bar circuit board function test fixture of the utility model.
Fig. 2 is the enlarged diagram at A in Fig. 1.
Fig. 3 is the enlarged diagram at B in Fig. 1.
Fig. 4 is that the side status structure of a kind of pair of another state of depression bar circuit board function test fixture of the utility model is shown
It is intended to.
[specific embodiment]
To make the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with drawings and Examples,
The utility model is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining this
Utility model, is not used to limit this utility model.
Fig. 1 to Fig. 4 is referred to, a kind of pair of depression bar circuit board function test fixture 1 of the utility model includes casing 11, sets
In preventing that the support plate 13 for being used for fixed placement circuit board under test on casing 11 is flexibly connected with casing 11 and can be rotated around casing 11
Shield 17 and be arranged inside protective cover 17, can be moved in parallel with respect to protective cover 17, for contacting conducting with circuit board under test
Pressing plate 15；
The two ends of the pressing plate 15 are all flexibly connected by connecting shaft with protective cover 175, and in the opposing platen of connecting shaft 175
15 other end is connected with the depression bar 171 for driving connecting shaft 175 to move；By connection between two depression bar 171
Bar (not shown) is connected；Two depression bars 171 are driven to move by connecting rod；
The pressing plate 15 is fixedly installed several for being contacted with circuit board under test towards the side of support plate 13 on casing 11
And the test probe 151 for being detected.
All it is flexibly connected with protective cover 17 by connecting shaft 175 by the two ends of pressing plate 15, and two is driven by connecting rod
Depression bar 171 is simultaneously mobile, and such design just improves the feelings that original design only drives pressing plate 15 to move up and down by single point
Condition, it is to avoid cause the depression of pressing plate 15, damages pressing plate 15, influences Detection results, and the design simple structure is easy to operate, makes
Low cost, can bring good using effect, and double depression bars 15 can provide larger probe contact, it is easy to operate, subtract
Cannot be tested caused by few loose contact because of probe with circuit board test point, because the rigidity of pressing plate 15 is good, and there are two
Stress point, so, the fixture of double depression bars 171 can provide bigger lower pressure, can be that the more circuit-under-test plate of test point is carried
For good test condition.
Preferably, public fastener 111 is provided with the casing 11, is provided with protective cover 17 and the public fastener
The master card component 173 of 111 matchings, when protective cover 17 is closed, public fastener 111 is fixed with master card component 173, by separating
Public fastener 111 and master card component 173 can opening protection function covers 17.
Preferably, the pneumatic spring for driving protective cover 17 to open is connected between the protective cover 17 and casing 11
113.The low cost of pneumatic spring 113, it is easy for installation, protective cover 17 can be brought voluntarily to open, it is easy to use.Pneumatic spring
113 can upspring protective cover 17 automatically, and form fixed angle support protective cover 17.
Preferably, the depression bar 171 includes plunger body 1711, the first movable part 1713 and the second movable part 1715；
Mutually it is flexibly connected between plunger body 1711, the first movable part 1713 and the second movable part 1715, connecting shaft 175 is through described
It is flexibly connected with the first movable part 1713 after protective cover 17；Plunger body 1711 is to side away from the first movable part 1713 and second
When movable part 1715 is moved, the angle between the first movable part 1713 and the second movable part 1715 reduces, then by the first activity
Part 1713 drives connecting shaft 175 to move down；When the main body of depression bar 171 is moved near the first movable part 1713 and the second movable part 1715
When, the angle between the first movable part 1713 and the second movable part 1715 becomes big, then pulled by the first movable part 1713 and connected
Moved on axle.
Preferably, the master card component 173 is arranged at the termination position at the folding end of protective cover 17, by the phase of rotary shaft 1731
Protective cover 17 is rotated；And the fastening end of the master card component 173 is in overhead kick shape；Master card component 173 catches on casing 11 by overhead kick
The public fastener 111 with overhead kick form fit of upper setting.
Preferably, one end of the pneumatic spring 113 is connected with protective cover 17, and near the rotation of protective cover 17 and casing 11
Transfer part position is set, and the other end is connected with casing 11.
Preferably, the quantity of the master card component 173 is two, and is set and this two in the upper end of master card component 173
The handle that master card component 173 is flexibly connected.In actual use, user's pull handle, you can separate master card component 173 with
Public fastener 111, reaches the effect of opening protection function cover 17.
Preferably, the protective cover 17 is made using acrylic material.
Preferably, multiple control buttons and signal lamp and alarm lamp are additionally provided with the casing 11.
Preferably, the protective cover 17 is connected with casing 11 by articulate.
In actual mechanical process, horizontal sliding connecting rod, rises pressing plate 15 forward；
Horizontal sliding handle further along, master card component 173 separates unblock with public fastener 111, and protective cover 17 is by pneumatic spring 113
Upspring, expose internal pressing plate 15 and be fixed on the support plate 13 on the top of casing 11；
After being put into circuit-under-test plate, under pull handle, close protective cover 17；
Connecting rod is pulled back, circuit-under-test plate is compressed, engaged test probe 151.
Double depression bars 171 can be very good fixation clip 15, and prevent pressing plate 15 from deforming when pushing engaged test probe 151.
Compared to general quick clamping structure, the point position of its fixation clip 15 increased one, can be more uniformly stressed pressing plate 15,
Prevent pressing plate 15 from producing Inward deflection, so as to solve the loose contact between probe and circuit-under-test board test point from principle
Problem.
A kind of pair of depression bar circuit board function test fixture 1 of the design can support various irregular shapes, larger-size
The test of circuit board.The characteristics of uniform force of pressing plate 15 that has due to the fixture of double depression bars 171, rigidity are good and are unlikely to deform, institute
With the test point loose contact that the circuit board for variously-shaped circuit board large scale specification is frequently encountered in testing
Problem is avoided.
Double depression bars 171 can provide larger probe contact, it is easy to operate.Because the rigidity of pressing plate 15 is good, and again
Two stress points, so, the fixture of double depression bars 171 can provide bigger lower pressure, can be the more circuit-under-test of test point
Plate provides good test condition.Pressing plate 15 is fixed in protective cover 17, and upper and lower displacement and the protective cover 17 of pressing plate 15 will not be sent out
Raw interference.
Compared with prior art, a kind of pair of depression bar circuit board function test fixture 1 of the utility model is by 15 liang of pressing plate
End is all flexibly connected by connecting shaft 175 with protective cover 17, and drives two depression bars 171 simultaneously mobile by connecting rod, such
Design just improves the situation that original design only drives pressing plate 15 to move up and down by single point, it is to avoid cause the recessed of pressing plate 15
Fall into, damage pressing plate 15, influence Detection results, the design simple structure, easy to operate, low manufacture cost can be brought well
Using effect, double depression bars 15 can provide larger probe contact, it is easy to operate, and reduce because of probe and circuit board test point
Loose contact caused by cannot test because the rigidity of pressing plate 15 is good, and have two stress points, so, double depression bars 171 are pressed from both sides
Tool can provide bigger lower pressure, can provide good test condition for the more circuit-under-test plate of test point.
Above-described the utility model implementation method, does not constitute the restriction to the utility model protection domain.It is any
Modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (10)
1. a kind of pair of depression bar circuit board function test fixture, it is characterised in that：Including casing, it is arranged on casing and is put for fixation
Protective cover that the support plate and casing for putting circuit board under test are flexibly connected and can be rotated around casing and be arranged inside protective cover,
Can be moved in parallel with respect to protective cover, for contacted with circuit board under test conducting pressing plate；
The pressing plate two ends are all flexibly connected by connecting shaft with protective cover, and in the other end activity of the connecting shaft opposing platen
It is connected with the depression bar for driving connecting shaft to move；Connected by connecting rod between two depression bar；Two are driven by connecting rod
Depression bar is moved；
The pressing plate is fixedly installed several for contacting and being detected with circuit board under test towards support plate side on casing
Test probe.
2. a kind of pair of depression bar circuit board function test fixture as claimed in claim 1, it is characterised in that：Set on the casing
There is public fastener, the master card component matched with the public fastener is provided with protective cover, when protective cover is closed, public fastener
It is fixed with master card component, can opening protection function cover by separating public fastener and master card component.
3. a kind of pair of depression bar circuit board function test fixture as claimed in claim 1, it is characterised in that：The protective cover and case
The pneumatic spring for driving protective cover to open is connected between body.
4. a kind of pair of depression bar circuit board function test fixture as claimed in claim 1, it is characterised in that：The depression bar includes pressure
Bar main body, the first movable part and the second movable part；Mutually activity connects between plunger body, the first movable part and the second movable part
Connect, connecting shaft is flexibly connected after the protective cover with the first movable part；Plunger body to side away from the first movable part and
When second movable part is moved, the angle between the first movable part and the second movable part reduces, then driven by the first movable part and connected
Spindle is moved down；When plunger body is moved near the first movable part and the second movable part, the first movable part and the second movable part it
Between angle become big, then pulled by the first movable part and moved in connecting shaft.
5. a kind of pair of depression bar circuit board function test fixture as claimed in claim 2, it is characterised in that：The master card component sets
The termination position at protective cover folding end is placed in, is rotated relative to protective cover by rotary shaft；And the fastening end of the master card component is in
Hook；Master card component catches on the public fastener with overhead kick form fit set on casing by overhead kick.
6. a kind of pair of depression bar circuit board function test fixture as claimed in claim 3, it is characterised in that：The pneumatic spring
One end is connected with protective cover, and is set with the rotation portion of casing near protective cover, and the other end is connected with casing.
7. a kind of pair of depression bar circuit board function test fixture as claimed in claim 5, it is characterised in that：The master card component
Quantity is two, and the handle being flexibly connected with two master card components is set in the upper end of master card component.
8. a kind of pair of depression bar circuit board function test fixture as described in any one claim in claim 1-7, it is special
Levy and be：The protective cover is made using acrylic material.
9. a kind of pair of depression bar circuit board function test fixture as claimed in claim 1, it is characterised in that：Also set on the casing
It is equipped with multiple control buttons and signal lamp and alarm lamp.
10. a kind of pair of depression bar circuit board function test fixture as claimed in claim 1, it is characterised in that：The protective cover with
Casing is connected by articulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621363687.6U CN206248693U (en) | 2016-12-13 | 2016-12-13 | A kind of pair of depression bar circuit board function test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621363687.6U CN206248693U (en) | 2016-12-13 | 2016-12-13 | A kind of pair of depression bar circuit board function test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206248693U true CN206248693U (en) | 2017-06-13 |
Family
ID=59006306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621363687.6U Active CN206248693U (en) | 2016-12-13 | 2016-12-13 | A kind of pair of depression bar circuit board function test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206248693U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189600A (en) * | 2019-06-11 | 2019-08-30 | 咸阳师范学院 | A kind of Electronics and Information Engineering experimental provision |
| CN112444724A (en) * | 2019-09-05 | 2021-03-05 | 英业达科技有限公司 | Test equipment |
| CN113064057A (en) * | 2021-04-09 | 2021-07-02 | 深圳群芯微电子有限责任公司 | Integrated circuit chip detection equipment and test method |
-
2016
- 2016-12-13 CN CN201621363687.6U patent/CN206248693U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189600A (en) * | 2019-06-11 | 2019-08-30 | 咸阳师范学院 | A kind of Electronics and Information Engineering experimental provision |
| CN112444724A (en) * | 2019-09-05 | 2021-03-05 | 英业达科技有限公司 | Test equipment |
| CN113064057A (en) * | 2021-04-09 | 2021-07-02 | 深圳群芯微电子有限责任公司 | Integrated circuit chip detection equipment and test method |
| CN113064057B (en) * | 2021-04-09 | 2021-10-29 | 深圳群芯微电子有限责任公司 | Integrated circuit chip detection equipment and test method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |