CN2658755Y - Compound testing apparatus - Google Patents
Compound testing apparatus Download PDFInfo
- Publication number
- CN2658755Y CN2658755Y CN 03238385 CN03238385U CN2658755Y CN 2658755 Y CN2658755 Y CN 2658755Y CN 03238385 CN03238385 CN 03238385 CN 03238385 U CN03238385 U CN 03238385U CN 2658755 Y CN2658755 Y CN 2658755Y
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- China
- Prior art keywords
- probe
- spring
- plate
- base plate
- perforation
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- Expired - Fee Related
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Abstract
The utility model relates to a composite fixture composed of a base, a header connector, a probe plate, a base plate, a plurality of probe modules and a cable. The probe plate is composed of a plurality of plate layers and intervals are arranged between the plate layers. The base plate is superimposed with a plurality of plate layers. A plurality of holes are arranged on the probe plate and the base plate. The probe modules are disposed inside the holes on the probe plate and the base plate. The head portions of the probes are exposed out of the surface of the probe plate. The probe plate and the base plate are securely integrated into a probe pan. The base is composed of a base plate and a bracket. The base plate is equipped with holes corresponding to the holes on the base plate. The probe pan is detachably connected with the base plate. One side of the cable is connected with a terminal post of the header connector and the other side is positioned inside the holes of the base plate. The cable is conducted with the bottom of the probe modules in a contact way. The utility model has the advantages that the fixture is convenient to repair, the probes and the springs are easy to exchange and the springs can be used repeatedly.
Description
Technical field
The utility model relates to a kind of combined tester of testing circuit board.
Background technology
Existing tool comprises a base, one needle plate, one base plate, some probe assemblies and lead, base plate and base are fixed together, and be connected the location with pilot hole by reference column between base plate and the needle plate, needle plate and base plate are formed by multilayer board, wherein base plate is formed by multilayer board is stacked, and between each laminate of needle plate, be provided with soft rubber, on dials and base plate, be equipped with some perforation, be built-in with probe assembly, the exploration needle assemblies mainly contains two kinds: a kind of is traditional structure, by big needle guard, little needle guard, be contained in the spring in the little needle guard, probe is formed, the bottom of probe inserts in the little needle guard, and little needle guard inserts in the big needle guard, and lead is fixedlyed connected with the afterbody of big needle guard, large needle is placed in the perforation of base plate, inserts in the big needle guard with the probe of little needle guard; A kind of is to have removed needle guard, is made of separate spring and probe, and spring places the perforation of base plate, and probe places the perforation of needle plate, after the perforation in both place needle plate and base plate, the afterbody of probe contacts with the head of spring, and the afterbody of spring is equipped with lead.These two kinds of tools are because base and base plate are fixed together, and lead fixedlys connected with probe assembly, so the making complexity, inconvenient maintenance, and second kind of tool is not easy to change spring and spring is not easy to reuse, and first kind of its probe assembly of tool make require high, cost an arm and a leg the cost height.
Summary of the invention
The purpose of this utility model is at the above problem, provide a kind of easy to maintenance, be easy to change probe, spring and be convenient to probe, the reusable combined tester of spring.
The purpose of this utility model is achieved in that the utility model comprises base, the ox horn connector, needle plate, base plate, some probe assemblies and lead, needle plate is combined by multilayer board, between plate, be provided with at interval, base plate forms by multilayer board is stacked, on dials and base plate, be equipped with some perforation, probe assembly places in the perforation of needle plate and base plate, the head of its probe is exposed to the surface of needle plate, needle plate and base plate fixedly become whole dials, base comprises bedplate and support, on bedplate, be provided with the perforation corresponding with base plate, be removable the connection between dials and the bedplate, one end of lead is connected with the binding post of ox horn connector, and the other end is positioned in the perforation of bedplate, and with the mode conducting of bottom by contacting of probe assembly.
Technique effect of the present utility model is: the utility model since dials and base can conveniently take apart, and lead and probe assembly are by contacted mode conducting, so only need dials and base are separated when probe, when spring need be changed, take out again that probe assembly is changed probe, spring gets final product, keep in repair very convenient, spring is not welded together with lead in addition, can reuse.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the three-dimensional exploded view of embodiment one.
Fig. 2 is the cut-open view of embodiment one.
Fig. 3 is the structural representation of a kind of probe assembly among the embodiment one.
Fig. 4 is the structural drawing of Fig. 3 medi-spring.
Fig. 5, Fig. 7, Fig. 8 are the synoptic diagram of several difformity springs of the utility model.
Fig. 6 is the vertical view of the amplification of spring shown in Figure 5.
Fig. 9 is the part-structure synoptic diagram of embodiment two.
Figure 10 is the structural drawing of embodiment two middle probe assemblies.
Embodiment
As Fig. 1, shown in Figure 2, embodiment one comprises, two overlap tools down, be respectively applied on the test circuit board under test 1, below on end points to be measured, following tool is that example illustrates that its structure is as follows: following tool comprises a dials 2, one base 3, probe assembly, lead 5, ox horn connector 4, each probe assembly comprises a spring 6 and a probe 8, dials 2 is combined by needle plate 201 and base plate 203, needle plate 201 comprises four laminates, be provided with the space between every two-ply and support by pillar 202, base plate 203 forms by three ply board is stacked, on needle plate 201 and base plate 203, be equipped with some perforation, its position, hole, the aperture, pitch-row, hole count is by the some position of end points to be measured on the circuit board under test 5 and the decision of counting, needle plate 201 and base plate 203 connect into an integral body by the screw at joint pin 7 and two ends, the aperture of perforation is greater than the external diameter of probe 8 on the needle plate 201, probe 8 places in the perforation of needle plate 201, its head is exposed to the surface of dials 2, when test, contact with the end points to be measured of circuit board under test 1, spring 6 places in the perforation of base plate 203, and the aperture of perforation is greater than the maximum outside diameter of spring on the base plate 203, the bottom of base plate 203 is one deck thin plate, it can certainly be one deck film, aperture of perforation adapts with the external diameter of spring 6 afterbodys less than the maximum outside diameter of spring 6 on it, and spring 6 just can not fall down in the perforation that is limited in base plate 203 like this; Base 3 is made up of bedplate 301 and support 302, on bedplate 301, be provided with the perforation corresponding with base plate 203, be connected with pilot hole by guidepost between base plate 203 and the bedplate 301 and locate, one end of lead 5 is welded with a metal sleeve, this metal sleeve is stuck in the perforation of bedplate 301, touch with the bottom connection of spring 6, thereby spring 6 and lead 5 contact and conducting by metal sleeve, on the support 302 of base 3, be fixed with ox horn connector 4, the other end of lead 5 is connected with the binding post of ox horn connector 4, and 4 of ox horn connectors are connected with the winding displacement of test machine.
As shown in Figure 2, embodiment one middle probe assembly connects into an integral body by spring 6 and probe 8, and probe assembly shown in Figure 3 adopts the identical probe 8 of two ends shape, and probe 8 can the repeated exchanged use like this, thereby increases operation rate and save cost.As shown in Figure 4, spring 6 among Fig. 3 is made of head 61, middle part 62 and afterbody 63, its middle part 62 is cylindrical, be provided with the section of closing up that a place closes up coiled by three circle steel wires at this middle part 62, its afterbody 63 is a back taper, its head 61 is made up of following conical section and top dislocation section, and the bottom of probe 8 tightly inserts in this dislocation section, and by the conical section of spring head hold in the palm to.
As shown in Figure 2, the probe that has among the embodiment one is inclined in the perforation of dials 1, promptly up and down on the needle plate 201 center of corresponding perforation certain dislocation is arranged, can increase detection density like this.
For dustproof, embodiment one is being closed the form that makes a casing around the dials 1, as shown in Figure 1.
Spring among the embodiment one also can adopt various structures such as Fig. 5, Fig. 7, shown in Figure 8, as described below: the head of spring shown in Figure 5 is made up of following conical section and top cylindrical section 9, the salient point that every circle is provided with inside coiled on its cylindrical section 9 as shown in Figure 6, this salient point also can be to be provided with on a circle, or on multi-turn, be provided with, be used to block probe, this cylindrical section also can be common cylindrical, and the bottom of probe tightly inserts in this cylindrical section and by following conical section holder and supports.The head of spring shown in Figure 7 is made up of following conical section and top bending section 10, and the bottom of probe tightly inserts in this bending section 10 and by following conical section holder and supports.The head of spring shown in Figure 8 is cylindrical, is connected with the needle guard 11 of a metal, and fill in the head of spring the bottom of needle guard 11, is provided with salient point at these needle guard 11 inwalls, and the bottom of probe tightly inserts in this needle guard 11.In addition, this spring also can adopt other shape.
As Fig. 9 and shown in Figure 10, embodiment two is with embodiment one difference: the probe assembly among the embodiment two is made up of metal needle guard 13, spring 14 and probe 12, on metal needle guard 13 inwalls, be provided with the salient point that is used to block probe 12, spring 14 places in the metal needle guard 13, the bottom of probe 12 inserts in the metal needle guard 13, the bottom of metal needle guard 13 and the mode conducting of the lead 15 that is connected with sleeve by contacting.In addition, the length of the metal needle guard of all probe assemblies is identical among the embodiment two.
Probe in the utility model also can adopt other shape except the shape that can adopt the foregoing description, the length of probe is 11.5-100mm.
The mode that the bottom connection of lead and probe assembly touches in the utility model can also be: an end of lead is welded in the perforation of bedplate, and makes this obstruction point and the bottom connection of probe assembly touch conducting.
The utility model can be provided with material such as soft rubber, the high-tension empire cloth etc. of insulation between each layer of needle plate, to clamp probe; Also can be at the middle part of described probe or the bottom be with the sleeve that one section spring or inwall have salient point, this spring can be common cylindrical, also can be cylindrical with inside salient point, can also be spring crooked or that dislocation is reeled and formed, and soft insulating material is not set between each layer of needle plate.
Needle plate and base plate all are the plate by nonconductive material one-tenth in the utility model, as: fiberboard, acrylic plate, bakelite plate etc.
In actual use, the upper and lower tool that is positioned at the circuit board under test two sides can all adopt tool of the present utility model, and also one of them adopts tool of the present utility model, and another adopts traditional tool.
Claims (14)
1. combined tester, comprise base, the ox horn connector, needle plate, base plate, some probe assemblies and lead, needle plate is combined by multilayer board, between plate, be provided with at interval, base plate forms by multilayer board is stacked, on dials and base plate, be equipped with some perforation, probe assembly places in the perforation of needle plate and base plate, the head of its probe is exposed to the surface of needle plate, one end of lead is connected with the binding post of ox horn connector, it is characterized in that: described needle plate and base plate fixedly become whole dials, described base comprises bedplate and support, is provided with the perforation corresponding with base plate on bedplate, is removable the connection between dials and the bedplate, the other end of described lead is positioned in the perforation of bedplate, and with the mode conducting of bottom by contacting of probe assembly.
2. combined tester according to claim 1, it is characterized in that: each described probe assembly becomes holistic form by spring and probe groups, the head of spring is inserted in the bottom of probe, probe places in the perforation of needle plate, spring is positioned at the perforation of base plate, the mode conducting of an end by contacting of the bottom of spring and lead.
3. combined tester according to claim 2 is characterized in that: the head of described spring is made up of following conical section and top bending section, and the bottom of probe tightly inserts in this bending section.
4. combined tester according to claim 2 is characterized in that: the head of described spring is made up of following conical section and top dislocation section, and the bottom of probe tightly inserts in this dislocation section.
5. combined tester according to claim 2 is characterized in that: the head of described spring is made up of following conical section and top cylindrical section, and the bottom of probe tightly inserts in this cylindrical section.
6. combined tester according to claim 5 is characterized in that: the cylindrical section of described spring head is provided with inside salient point.
7. combined tester according to claim 2 is characterized in that: the head of described spring and a sleeve fix, and fill in the head of spring the bottom of sleeve, is provided with salient point at this sleeve lining, and the bottom of probe tightly inserts in this sleeve.
8. combined tester according to claim 1, it is characterized in that: each described probe assembly is made up of metal needle guard, spring and probe, on metal needle guard inwall, be provided with the salient point that is used to block probe, spring places in the metal needle guard, the bottom of probe inserts in the metal needle guard, the bottom of metal needle guard and the mode conducting of lead by contacting; The length of the metal needle guard of all probe assemblies is identical.
9. combined tester according to claim 1 is characterized in that: an end of described lead is to be welded in the perforation of base plate, and this obstruction point and the bottom connection of probe assembly are touched.
10. combined tester according to claim 1 is characterized in that: an end of described lead is fixed with a metal sleeve, and this metal sleeve is stuck in the perforation of bedplate, and touches with the bottom connection of probe assembly.
11. according to claim 1 or 2 or 8 described combined testers, it is characterized in that: middle part or bottom at described probe also are with one section spring, and this spring is a spring common, crooked or that dislocation is reeled and formed.
12. according to claim 1 or 2 or 8 described combined testers, it is characterized in that: middle part or bottom at described probe also are with the sleeve that one section inwall has salient point.
13. combined tester according to claim 1 is characterized in that: the probe that has is inclined in the perforation of dials, and promptly there is certain dislocation at the center of the respective perforations of needle plate up and down.
14. combined tester according to claim 1 is characterized in that: the shape at described probe two ends is identical, and the length of probe is 11.5-100mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03238385 CN2658755Y (en) | 2003-09-19 | 2003-09-19 | Compound testing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03238385 CN2658755Y (en) | 2003-09-19 | 2003-09-19 | Compound testing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2658755Y true CN2658755Y (en) | 2004-11-24 |
Family
ID=34326835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03238385 Expired - Fee Related CN2658755Y (en) | 2003-09-19 | 2003-09-19 | Compound testing apparatus |
Country Status (1)
Country | Link |
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CN (1) | CN2658755Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102410822A (en) * | 2010-09-21 | 2012-04-11 | 捷毅系统股份有限公司 | Device and method for measuring thickness |
CN105358994A (en) * | 2013-08-12 | 2016-02-24 | 太洋工业株式会社 | Printed circuit board inspection device |
CN110514985A (en) * | 2019-09-26 | 2019-11-29 | 无锡智佳瑞科技有限公司 | Multi-line quickly connects error prevention device |
-
2003
- 2003-09-19 CN CN 03238385 patent/CN2658755Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102410822A (en) * | 2010-09-21 | 2012-04-11 | 捷毅系统股份有限公司 | Device and method for measuring thickness |
CN102410822B (en) * | 2010-09-21 | 2013-07-24 | 捷毅系统股份有限公司 | Device and method for measuring thickness |
CN105358994A (en) * | 2013-08-12 | 2016-02-24 | 太洋工业株式会社 | Printed circuit board inspection device |
CN110514985A (en) * | 2019-09-26 | 2019-11-29 | 无锡智佳瑞科技有限公司 | Multi-line quickly connects error prevention device |
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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 |