CN2604693Y - Long and short needles therapeutical apparatus structure - Google Patents
Long and short needles therapeutical apparatus structure Download PDFInfo
- Publication number
- CN2604693Y CN2604693Y CN 03257534 CN03257534U CN2604693Y CN 2604693 Y CN2604693 Y CN 2604693Y CN 03257534 CN03257534 CN 03257534 CN 03257534 U CN03257534 U CN 03257534U CN 2604693 Y CN2604693 Y CN 2604693Y
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- probe
- tool
- long
- fixture
- test board
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Abstract
The utility model relates to a long and short probe fixture structure, including a top and a bottom corresponding fixture, which is characterized in that: the top and bottom fixture are separately arranged with different columns with a plurality of diameters as well as probes with different lengths from bottom to the top level in order. When in use, through increasing the thickness of plate on the top level, and coordinating the columns with different diameters arranged from outside to inside, the fixture can be prevented from structural deformation; the probes of different lengths can be adjusted to have equal lengths on the top of the fixture according to different angular slopes when being inserted into the fixture, so as to avoid the bad contact with printed circuit board during pressure measuring and the false open circuit phenomena.
Description
Technical field
The utility model relates to a kind of long and short hands jig structure, especially refer to a kind of long and short hands tool of surveying printed circuit board (PCB) that is used to press, this tool is because use multi-layered board to coincide mutually to form and the pillar interlocking by from outside to inside, so its one-piece construction also can be comparatively firm, the length probe of the Shi Yonging angle that probe interted of effectively arranging in pairs or groups makes this length probe can effectively do the test of circuit to printed circuit board (PCB) simultaneously.
Background technology
With regard to the probe jig structure of present use (as shown in Figure 6), comprise the tool 7,8 of upper and lower correspondence; On described, following tool 7,8 bottom is needle- bar plate 71 and 81 to top layer, multi-disc cage plate 72 and 82 and test board 73 and 83 compositions, on this, following tool 7,8 bottom is to running through of top layer being provided with the identical copper pillar 5 of diameter on every side, form by this copper pillar 5, following tool 7,8 supporting construction, then run through the probe 9 that equal length is being set according to required direction again, this probe 9 passes successively, following tool 7, the needle- bar plate 71 and 81 of 8 bottoms, middle multi-disc cage plate 72 and 82 and be exposed to top layer test board 73,83 outside, and on finishing this probe 9 and being somebody's turn to do, following tool 8,9 combination.
During use, at first the printed circuit board (PCB) (PCB) that completes is positioned on the test board 83 of below tool 8 top layers, allow the probe 9 that exposes top layer test board 83 contact with printed circuit board (PCB), then again the operational testing machine move simultaneously described on, following tool 7, the flexible vertical rod (not shown) of 8 back, allow this printed circuit board (PCB) be sandwiched in, following tool 7, in the middle of 8, the probe 9 that tool 7 top layer test boards 73 expose simultaneously also can be contacted with described printed circuit board (PCB), at last again by on being somebody's turn to do, following tool 7,9 pairs of circuits that printed circuit board (PCB) is done of 8 probe are pressed the data back test machine of surveying, allow operating personnel learn whether the circuit of described printed circuit board (PCB) is complete, and whether the situation of short circuit (short) and open circuit (open) is arranged.
By as can be known,, in its structure and use, still have following shortcoming though the structure of known long and short hands tool can reach the purpose of measuring the printed circuit board circuitry integrality to the structure of above-mentioned known long and short hands tool and operation instruction:
1. though that tool bottom, middle cage plate to top layer needle-bar plate, multi-disc are set is inner and on every side with the plate face of test board because existing probe tool uses the copper pillar of diameter 6mm to run through, but if will measure highdensity printed circuit board (PCB) the time, can be because the density of contact pin be too high, the setting of diameter 6mm copper pillar is not down, cause the middle no support column arrangement of tool, make tool when pressing survey to use, produce the tool distortion easily because of supporting construction is not enough, cause the bending infringement of probe.
2. existing probe tool is because the top layer test board has only 3mm thick, so tool when pressing survey to use, tends to because the thickness low LCL of test board causes tool to press flexural deformation when surveying easily, probe is therefore also crooked, false (open) takes place when test open circuit and false (short) short circuit.
3. because existing probe tool all is the probe that adopts equal length, but probe is run through the bottom during to top layer that tool is set by bottom, often produce the slope that distance varies in size because of the difference of cushion angle, so when probe exposes the top layer test board, length that probe is exposed to test board taking place shorten and can't contact with printed circuit board (PCB) fully, takes place when causing test that vacation (open) is opened circuit and vacation (short) short circuit.
Summary of the invention
We's dough figurine relies on the individual to be engaged in this cause experience for many years, and studies intensively in view of shortcoming and limitation that above-mentioned known probe tool is existed when reality is used, designs a kind of brand-new long and short hands jig structure finally.
Fundamental purpose of the present utility model is, a kind of long and short hands jig structure is provided, and is to allow the structure of this tool can obtain comprehensively to strengthen, even this tool is measured highdensity printed circuit board (PCB), can not take place because of the structure deficiency causes the probe bending yet, and the situation of damage probe.
Secondary objective of the present utility model is, a kind of long and short hands jig structure is provided, and is the sheet metal thickness that will increase this tool top layer test board, makes test board when pressing survey to use, and the situation of probe bending can not take place to cause inadequately because of sheet metal thickness.
Another secondary objective of the present utility model, being to provide a kind of long and short hands jig structure, is the length that will increase probe on several these tools, to cooperate the difference of probe because of the cushion angle, and produce the slope problem that distance varies in size, avoid probe to contact incomplete situation with printed circuit board (PCB).
For achieving the above object, the utility model comprises the tool of upper and lower correspondence, it is characterized in that: this upper and lower tool is respectively arranged with many pillars that diameter is different by bottom successively to top layer, and this tool also is respectively arranged with the different probe of length from bottom to the top.During use, by increasing the thickness of top layer sheet material, and cooperation is provided with the different pillar of diameter from outside to inside, and can prevent the distortion of structure in use of described tool, the slope that the different probe of length then can produce because of according to different angles cushion tool the time, make this probe all can equate and avoid pressing when surveying and the printed circuit board (PCB) loose contact in the length of tool end face, the situation that generation vacation (open) is opened circuit.
Therefore, the utility model has following improvement in design:
1. the utility model is arranged on tool bottom, middle to the cage plate and test board of top layer needle-bar plate, multi-disc except plate face around tool is provided with the copper pillar of same diameter to run through, and mix on the cage plate in the middle of the tool and be provided with copper pillar and the less iron post of diameter, so can strengthen the tool intensity of copper pillar on every side, make tool when measuring highdensity printed circuit board (PCB), also can strengthen the supporting construction of tool integral body, to avoid taking place the situation that the tool distortion causes the probe bending because of being used the less iron post of diameter.
2. the utility model increases to 4mm because will have tool top layer test board thickness now from 3mm, so when tool presses survey to use, just can avoid the flexural deformation of test board because the thickness of test board increases, false (open) open circuit probability with false (short) short circuit takes place in minimizing to printed circuit board test the time.
The utility model is because take the probe of multiple different length, cooperate differing needles limb degree because of the different slopes that produce of distance, so the tool bottom is set when top layer exposes test board when probe is run through by bottom, all can avoid because of the probe total length all identical, thereby length shortens when avoiding probe to stretch out in test board, and the situation with the printed circuit board (PCB) loose contact takes place.
Description of drawings
Fig. 1 is the three-dimensional combination figure of jig structure of the present utility model.
Fig. 2 for jig structure of the present utility model analyse and observe the action synoptic diagram ().
Fig. 3 for jig structure of the present utility model analyse and observe the action synoptic diagram (two).
Fig. 4 is the long and short hands table of comparisons of jig structure of the present utility model.
Fig. 5 is the cage plate stereographic map of jig structure of the present utility model.
Fig. 6 analyses and observe the action synoptic diagram for existing jig structure.Among the figure
111 bronze medal pillar holes, 112 pin holes
12 cage plates, 121 bronze medal pillar holes
122 pin holes, 123 iron post holes
2 times tools of 13 test boards
21 needle-bar plates, 22 cage plates
221 bronze medal pillar holes, 222 pin holes
223 iron post holes, 23 test boards
231 bronze medal pillar holes, 232 pin holes
3 sleeve pipes, 4 probe kinds
41 probes, one 42 probes two
43 probes, 3 44 probes four
5 bronze medal pillars, 6 iron posts
72 cage plates, 73 test boards
8 times tool 81 needle-bar plates
82 cage plates, 83 test boards
9 probes
Embodiment
For making structure of the present utility model, feature and use effect thereof there are more further understanding and understanding, now lift a preferred embodiment and conjunction with figs. and be described in detail as follows:
Fig. 1, Fig. 4 and the three-dimensional combination figure, the long and short hands table of comparisons and the cage plate stereographic map that Figure 5 shows that jig structure of the present utility model.The utility model comprises corresponding tool 1 and the following tool 2 gone up.Described going up in the tool 1 as shown in Figure 1, respectively be the cage plate 12 and test board 13 of needle-bar plate 11, multi-disc to bottom by top layer, this needle-bar plate 11 is two kenels of piling up, the test board 13 of described upward tool 1 is identical with needle-bar plate 11 structures, with needle-bar plate 11 is example: be respectively equipped with copper pillar hole 111 around the plate face of needle-bar plate 11, and partly be provided with the pin holes 112 in different apertures in the middle of the plate face of needle-bar plate 11; In addition, as shown in Figure 5, the described plate face of going up the cage plate 12 of tool 1 is respectively equipped with copper pillar hole 121 on every side, the pin holes 122 of different apertures pin holes 112 on partly being provided with respect to above-mentioned needle-bar plate 11 in the middle of the plate face of cage plate 12 is mixed between pin holes 122 and copper pillar hole 121 on every side and is provided with copper pillar hole 121 and iron post hole 123.
As Fig. 4,5 show, the described bottom of tool 1 of going up is respectively 3mm, 1mm and 4mm to the pin board 11 of top layer, the cage plate 12 of multi-disc and the thickness of test board 13, is example with cage plate 12: set copper pillar hole 121, the diameter in iron post hole 123 are respectively 6mm and 2mm on it.
As shown in Figure 1, described tool 2 down is respectively the cage plate 22 and test board 23 of needle-bar plate 21, multi-disc in regular turn to top layer by bottom, this needle-bar plate 21 is two kenels of piling up, the test board 23 of described tool 2 down is identical with needle-bar plate 21 structures, with test board 23 is example: be respectively equipped with copper pillar hole 231 around the plate face of test board 23, and partly be provided with the pin holes 232 in different apertures in the middle of the plate face of test board 23; In addition, be respectively equipped with copper pillar hole 221 around the plate face of the described cage plate 22 of tool 2 down, the pin holes 222 of different apertures pin holes 232 on partly being provided with respect to above-mentioned test board 23 in the middle of the plate face of cage plate 22 is mixed between pin holes 222 and copper pillar hole 221 on every side and is provided with copper pillar hole 221 and iron post hole 223.
Shown in Figure 4 and 5, described tool 2 bottoms down are to the pin board 21 of top layer, the cage plate 22 of multi-disc and the thickness of test board 23, being respectively 3mm, 1mm and 4mm, is example with cage plate 22: set copper pillar hole 221, the diameter in iron post hole 223 are respectively 6mm and 2mm on it.
Fig. 2 and shown in Figure 4 for another example, (and cooperate consult Fig. 1) analyses and observe the action synoptic diagram () and the long and short hands table of comparisons of the present utility model for of the present utility model.Probe kind 4 of the present utility model, probe 1, probe 2 42, probe 3 43 and 4 44 4 kinds of kenels of probe are arranged respectively, the length of described probe 1 is that the length of 95.25mm, probe 2 42 is that the length of 96.25mm, probe 3 43 is that the length of 97.25mm and probe 4 44 is 98.25mm, and end at probe 2 42, probe 3 43 and probe 4 44, be coated with the gold-plated of 10mm, 20mm and 30mm length respectively, with the probe of difference different length.
Described probe kind 4 is in response to differing needles limb degree, and produce Different Slope apart from the design of being done, probe 1, probe 2 42, probe 3 43 and the slope range that probe 4 44 is suitable for are respectively slope 0～400miles (distance), slope 401～600miles (distance), 601～800miles (distance) and slope 801～1000miles (distance).
Then as Fig. 1; shown in 2 and 5; when last tool 1 makes up; at first described copper pillar 5 and iron post 6 are inserted in the copper pillar hole 121 and iron post hole 123 of above-mentioned multi-disc cage plate 12 respectively; the pin board 11 that then will go up tool 1 bottom and top layer props up respectively with test board 13 and inserts in middle multi-disc cage plate 12; the two ends of exposing copper pillar 5 and iron post 6; then copper pillar 5 is inserted in the above-mentioned pin board 11 that forms that piles up respectively; in the cage plate 12 and the copper pillar hole around the test board 13 plate faces of multi-disc; then successively sleeve pipe 3 is inserted in the outer radius of being exposed in copper pillar 5 between each plate body again; support indirectly and the structure of protecting copper pillar 5 to form one; at last screw is screwed in and locks in the two ends of copper pillar 5 on pin board 11 and the test board 13, copper pillar 5 is fixed on around each plate body to form the complete fixed sturcture of tool 1.
Last again desire is used probe, for example: probe 1 is complied with required interspersed angle with probe 2 42, run through in the middle of the cage plate 12 that is arranged at described pin board 11, multi-disc and the test board 13 partly in the pin holes in different apertures, and allow described probe 1 and probe 2 42 be exposed to the end face of test board 13, to finish the combination of probe 1 and probe 2 42 and last tool 1.
When following tool 2 makes up; at first described copper pillar 5 is inserted in respectively in the copper pillar hole 221 and iron post hole 223 of above-mentioned multi-disc cage plate 22 with iron post 6; multi-disc cage plate 22 in the middle of the pin board 21 that then will descend tool 2 bottoms and top layer and test board 23 prop up respectively and insert in; the two ends of exposing copper pillar 5 and iron post 6; then copper pillar 5 is inserted in the above-mentioned pin board 21 that forms that piles up respectively; in the cage plate 22 and the copper pillar hole around the test board 23 plate faces of multi-disc; then successively sleeve pipe 3 is inserted in the outer radius of being exposed in copper pillar 5 between each plate body again; support indirectly and the structure of protecting copper pillar 5 to form one; at last screw is screwed in and locks in the two ends of copper pillar 5 on pin board 21 and the test board 23, copper pillar 5 is fixed on around each plate body to form down the complete fixed sturcture of tool 2.
Last again desire is used probe, for example: probe 1 is complied with required interspersed angle with probe 2 42, run through in the middle of the cage plate 22 that is arranged at described pin board 21, multi-disc and the test board 23 partly in the pin holes in different apertures, and allow described probe 1 and probe 2 42 be exposed to the end face of test board 23, to finish the combination of probe 1 and probe 2 42 and following tool (2).
As Fig. 2,3 be depicted as (and cooperate consult Fig. 1), of the present utility modelly analyse and observe action synoptic diagram (), (two).During use, the desire that at first will complete is pressed the printed circuit board (PCB) of surveying (PCB), be positioned over down on the test board 23 of tool 2, the probe 1 that is exposed to test board 23 end faces is contacted with printed circuit board (PCB) with probe 2 42, on then operation pressure survey machine is mobile described simultaneously, following tool 1, the flexible vertical rod (not shown) of 2 back, allow this printed circuit board (PCB) be sandwiched in, following tool 1, in the middle of 2, the test board 13 of tool 1 top layer exposes simultaneously probe 1 and probe 2 42 also can be contacted with described printed circuit board (PCB), at last again by on being somebody's turn to do, following tool 1,2 42 pairs of circuits that printed circuit board (PCB) is done of 2 probe 1 and probe are pressed the data back test machine of surveying, make operating personnel learn whether the circuit of described printed circuit board (PCB) is complete, and whether the situation of short circuit (short) and open circuit (open) is arranged.
The above only is in order to explain preferred embodiment of the present utility model; be not that the attempt tool is to do any pro forma restriction to the utility model; therefore; all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the scope of the utility model intention protection.
Claims (5)
1. long and short hands jig structure, the tool that comprises upper and lower correspondence, it is characterized in that: described upper and lower tool by bottom to being respectively arranged with many pillars that diameter is different the top layer, described tool also is respectively arranged with the probe that length differs from bottom to the top.
2. long and short hands jig structure according to claim 1 is characterized in that: described pillar is the copper pillar of diameter 6mm.
3. long and short hands jig structure according to claim 1 is characterized in that: described pillar is the iron post of diameter 2mm.
4. long and short hands jig structure according to claim 1 is characterized in that: the length of described probe is respectively 95.25mm, 96.25mm, 97.25mm and 98.25mm.
5. long and short hands jig structure according to claim 1 is characterized in that: the test board that described upper and lower tool top layer is thickness 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03257534 CN2604693Y (en) | 2003-05-12 | 2003-05-12 | Long and short needles therapeutical apparatus structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03257534 CN2604693Y (en) | 2003-05-12 | 2003-05-12 | Long and short needles therapeutical apparatus structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2604693Y true CN2604693Y (en) | 2004-02-25 |
Family
ID=34169783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03257534 Expired - Fee Related CN2604693Y (en) | 2003-05-12 | 2003-05-12 | Long and short needles therapeutical apparatus structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2604693Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520487B (en) * | 2008-02-28 | 2012-06-13 | 富葵精密组件(深圳)有限公司 | Electrical measurement fixture |
| CN102901886A (en) * | 2011-07-27 | 2013-01-30 | 三星电机株式会社 | Apparatus for detecting electrical condition |
| CN103837817A (en) * | 2012-11-26 | 2014-06-04 | 昆山威典电子有限公司 | Double-section test structure of PCB ejector pad |
-
2003
- 2003-05-12 CN CN 03257534 patent/CN2604693Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520487B (en) * | 2008-02-28 | 2012-06-13 | 富葵精密组件(深圳)有限公司 | Electrical measurement fixture |
| CN102901886A (en) * | 2011-07-27 | 2013-01-30 | 三星电机株式会社 | Apparatus for detecting electrical condition |
| CN103837817A (en) * | 2012-11-26 | 2014-06-04 | 昆山威典电子有限公司 | Double-section test structure of PCB ejector pad |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |