CN209486148U - A kind of stable probe of contact tin point - Google Patents
A kind of stable probe of contact tin point Download PDFInfo
- Publication number
- CN209486148U CN209486148U CN201821815869.1U CN201821815869U CN209486148U CN 209486148 U CN209486148 U CN 209486148U CN 201821815869 U CN201821815869 U CN 201821815869U CN 209486148 U CN209486148 U CN 209486148U
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- China
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- probe
- tube body
- rod segment
- spring
- feeler lever
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Abstract
The utility model discloses a kind of contact tin points to stablize probe, including tube body, spring and feeler lever, the spring is arranged in tubular body, the inner end of the feeler lever is interspersed in tubular body and compresses with spring and connect, the outer end of feeler lever is located at outside tube body and is equipped with probe, the probe claw being distributed on the probe outer end face is provided at least three column, and each column is at least provided with three.The utility model reasonable structural arrangement, it is easy to assembly, can be improved test accuracy and primary test percent of pass, stable testing rate can be increased substantially, after tip damage, being conducive to the later period is replaced.
Description
Technical field
The utility model relates to test probe technique field, specially a kind of contact tin point stablizes probe.
Background technique
The probe of the prior art is made of tube body, spring and probe, and for spring in tube body, the other end of probe is placed in pipe
It in vivo and is pressed on spring, outside the press protruded tube body that the other end passes through the spring, when probe testing of printed circuit board
When tin welding spot and part foot, probe is contacted by probe with inboard wall of tube body and spring by pressure, electric current can be flowed to from probe tube body with
Spring, which is realized, to be electrically connected, but when testing minimum spacing and minimum tin point, the probe of few pawl can generate under external force
Offset, as shown in Figure 1, the probe claw of probe tips is less.Simultaneously as tin point is minimum, contact surface can also become smaller therewith, this also leads
It causes the electric current passed through unstable, is easy to cause the test result of NG.In addition, the probe structure of the prior art is more single, group
Dress is inconvenient, after tip damage, is also unfavorable for replacing.
Utility model content
The purpose of this utility model is to provide a kind of contact tin points to stablize probe, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of stable probe of contact tin point, including tube body, spring and feeler lever, the spring are arranged in tubular body, institute
The inner end for stating feeler lever, which is interspersed in tubular body and compresses with spring, to be connect, and the outer end of feeler lever is located at outside tube body and is equipped with spy
Head, the probe claw that is distributed is provided at least three column on the probe outer end face, and each column is at least provided with three.
Preferably, fixing head is installed at the top of the tube body, the spring one end is connect with fixing head, the spring other end and
The inner end of feeler lever connects.
Preferably, the feeler lever includes the first rod segment and the second rod segment, and the first rod segment, which is slided, is inserted into tubular body, and second
Rod segment is located at outside tube body, and the diameter of the first rod segment is greater than the diameter of the second rod segment, passes through between the first rod segment and the second rod segment
Cone step connection, probe are mounted on the end of the second rod segment.
Preferably, the bottom of the tube body extends the extension retaining ring of restricted cone step.
Preferably, the probe claw is the polyhedral structure that tip is formed on top, and centrally located probe claw height is lower than surrounding
Probe claw height, positioned at surrounding probe claw have circular arc side.
Preferably, the end face far from probe claw of popping one's head in offers slot, and flat thin magnet, the feeler lever end are fixed in slot
Portion is extended with the plug with slot cooperation, and plug ends are fixed with the iron plate for adsorbing with flat thin magnet.
Compared with prior art, the utility model has the beneficial effects that on probe outer end face the probe claw that is distributed be provided with to
Few three column, each column is at least provided with three, i.e., at least nine probe claws increase contact so that probe contacts stabilization with measured object
Area changes the force way with contact point, greatly improves the accuracy of test and once tests percent of pass, significantly
Improve stable testing rate；Installation between probe and feeler lever passes through slot, the inserting cooperation of plug and the magnetic of flat thin magnet, iron plate
Power absorption cooperation is realized, easy to assembly, after tip damage, is conducive to later period replacement.The utility model reasonable structural arrangement, assembling
It is convenient, it can be improved the accuracy of test and once test percent of pass, stable testing rate, tip damage can be increased substantially
Afterwards, it is conducive to later period replacement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art middle probe；
Fig. 2 is a kind of structural schematic diagram of stable probe of contact tin point；
Fig. 3 stablizes the structural schematic diagram popped one's head in probe and connect with feeler lever for a kind of contact tin point；
Fig. 4 is a kind of structural schematic diagram for contacting tin point and stablizing solid of popping one's head in probe；
Fig. 5 is that a kind of contact is popped one's head in and the side structure schematic diagram after feeler lever assembly in the stable probe of tin point.
In figure: 1- feeler lever, the first rod segment of 11-, the second rod segment of 12-, 13- plug, 14- iron plate, 2- tube body, 21- extend gear
Circle, 3- spring, 4- fixing head, 5- probe, 51- probe claw, 52- slot, 53- flat thin magnet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 2~5 are please referred to, the utility model provides a kind of technical solution: a kind of stable probe of contact tin point, including tube body
2, spring 3 and feeler lever 1, the spring 3 are arranged inside tube body 2, the inner end of the feeler lever 1 be interspersed in 2 inside of tube body and with
Spring 3 compresses connection, and the outer end of feeler lever 1 is located at 2 outside of tube body and is equipped with probe 5, the spy being distributed on 5 outer end faces of the probe
Pawl 51 is provided at least three column, and for each column at least provided with three, preferably probe claw 51 is provided with nine.
Wherein, fixing head 4 is installed, described 3 one end of spring is connect with fixing head 4, and spring 3 is another at the top of the tube body 2
End is connect with the inner end of feeler lever 1.
The feeler lever 1 includes the first rod segment 11 and the second rod segment 12, and the sliding of the first rod segment 11 is inserted into inside tube body 2, the
Two rod segments 12 are located at outside tube body 2, and the diameter of the first rod segment 11 is greater than the diameter of the second rod segment 12, the first rod segment 11 and the second bar
It is connected between section 12 by cone step, probe 5 is mounted on the end of the second rod segment 12；The bottom of the tube body 2 extends limited
The extension retaining ring 21 of cone step processed.
The probe claw 51 is the polyhedral structure that tip is formed on top, and centrally located 51 height of probe claw is lower than the spy of surrounding
51 height of pawl, the probe claw 51 positioned at surrounding have circular arc side.
Wherein, 5 end faces far from probe claw 51 of the probe offer slot 52, and flat thin magnet 53, institute are fixed in slot 52
It states 1 end of feeler lever and is extended with the plug 13 cooperated with slot 52,13 end of plug is fixed with the iron for adsorbing with flat thin magnet 53
Piece 14.
The probe claw 51 being distributed on 5 outer end faces of popping one's head in is provided at least three column, and each column is at least provided with three, i.e., and at least nine
Probe claw 51 increases contact area, changes the force way with contact point, greatly so that probe 5 contacts stabilization with measured object
The accuracy for improving test and primary test percent of pass, increase substantially stable testing rate；Between probe 5 and feeler lever 1
Installation is cooperated by the magnetic-adsorption of slot 52, the inserting cooperation of plug 13 and flat thin magnet 53, iron plate 14 to be realized, assembling side
Just, after probe 5 damages, it is conducive to later period replacement.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of contact tin point stablizes probe, including tube body (2), spring (3) and feeler lever (1), it is characterised in that: the spring
(3) setting is internal in tube body (2), and the inner end of the feeler lever (1) is interspersed in tube body (2) inside and compresses with spring (3) and connect, and visits
The outer end of bar (1) is located at tube body (2) outside and is equipped with probe (5), and the probe claw (51) being distributed on described probe (5) outer end face is set
At least three column are equipped with, each column is at least provided with three.
2. a kind of contact tin point according to claim 1 stablizes probe, it is characterised in that: installation at the top of the tube body (2)
Have fixing head (4), described spring (3) one end is connect with fixing head (4), and spring (3) other end is connect with the inner end of feeler lever (1).
3. a kind of contact tin point according to claim 1 stablizes probe, it is characterised in that: the feeler lever (1) includes first
Rod segment (11) and the second rod segment (12), the first rod segment (11) sliding are inserted into tube body (2) inside, and the second rod segment (12) is located at tube body
(2) external, the diameter of the first rod segment (11) is greater than the diameter of the second rod segment (12), the first rod segment (11) and the second rod segment (12) it
Between connected by cone step, probe (5) is mounted on the ends of the second rod segment (12).
4. a kind of contact tin point according to claim 3 stablizes probe, it is characterised in that: prolong the bottom of the tube body (2)
Stretch the extension retaining ring (21) of restricted cone step.
5. a kind of contact tin point according to claim 1 stablizes probe, it is characterised in that: the probe claw (51) is top shape
At the polyhedral structure at tip, centrally located probe claw (51) is highly lower than probe claw (51) height of surrounding, positioned at the spy of surrounding
Pawl (51) has circular arc side.
6. a kind of contact tin point according to claim 1 stablizes probe, it is characterised in that: the probe (5) is far from probe claw
(51) end face offers slot (52), is fixed with flat thin magnet (53) in slot (52), feeler lever (1) end is extended with and inserts
The plug (13) of slot (52) cooperation, plug (13) end is fixed with the iron plate (14) for adsorbing with flat thin magnet (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821815869.1U CN209486148U (en) | 2018-11-06 | 2018-11-06 | A kind of stable probe of contact tin point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821815869.1U CN209486148U (en) | 2018-11-06 | 2018-11-06 | A kind of stable probe of contact tin point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209486148U true CN209486148U (en) | 2019-10-11 |
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ID=68115189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821815869.1U Active CN209486148U (en) | 2018-11-06 | 2018-11-06 | A kind of stable probe of contact tin point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209486148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533805A (en) * | 2020-04-20 | 2021-10-22 | 中华精测科技股份有限公司 | Separated film probe card and elastic module thereof |
-
2018
- 2018-11-06 CN CN201821815869.1U patent/CN209486148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533805A (en) * | 2020-04-20 | 2021-10-22 | 中华精测科技股份有限公司 | Separated film probe card and elastic module thereof |
| CN113533805B (en) * | 2020-04-20 | 2024-01-23 | 台湾中华精测科技股份有限公司 | Separated film probe card and elastic module thereof |
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