CN206420918U - A kind of Two-stage Compression testing needle - Google Patents
A kind of Two-stage Compression testing needle Download PDFInfo
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- CN206420918U CN206420918U CN201621403237.5U CN201621403237U CN206420918U CN 206420918 U CN206420918 U CN 206420918U CN 201621403237 U CN201621403237 U CN 201621403237U CN 206420918 U CN206420918 U CN 206420918U
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- sleeve pipe
- test
- spring
- needle shaft
- openend
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Abstract
The utility model embodiment discloses a kind of Two-stage Compression testing needle, and the testing needle dynamics for solving prior art is single, the problem of its forced compression space is limited.The utility model embodiment includes：Sleeve pipe, the first spring, second spring, needle shaft sleeve pipe, needle shaft and tail plug；Described sleeve pipe includes bottom open end and the first test openend；The needle shaft sleeve pipe includes the second test openend and the first tail end；First tail end is set in described sleeve pipe, and the first test openend is stretched out in the second test openend；First spring is arranged in described sleeve pipe, is attached with first tail end；The tail plug is clamped on the bottom open end；The needle shaft includes test head and the second tail end；Second tail end is set in the needle shaft sleeve pipe, and the test head stretches out the second test openend；The second spring is arranged in the needle shaft sleeve pipe, is attached with second tail end.
Description
Technical field
The utility model is related to electronic, horological test point technical field, more particularly to a kind of Two-stage Compression testing needle.
Background technology
Testing needle, also referred to as probe, is divided into spring needle (special needle) and general pin, spring again in the industry when being tested for pcb board
Pin according to the installation scenarios for the pcb board tested when in use, it is necessary to make testing mould, and generally, a mould
A kind of pcb board can only be tested；General pin when in use, need to only there is enough points, therefore many producers are all using now
General pin；Spring needle is divided into pcb board probe, ICT probes, BGA probes according to service condition again, and pcb board probe is mainly used in PCB
Board test, ICT probes are mainly used in the on-line testing after plug-in unit, and BGA probes are mainly used in BGA package test and chip testing.
Current testing needle, most of to be made up of needle shaft, sleeve pipe and spring, the dynamics of such testing needle is single, stress
Compression stroke is limited.
Therefore, a kind of important topic that can be studied with the testing needle of twin-stage stress as those skilled in the art is found.
Utility model content
The utility model embodiment discloses a kind of Two-stage Compression testing needle, the testing needle dynamics for solving prior art
It is single, the problem of its forced compression space is limited.
The utility model embodiment provides a kind of Two-stage Compression testing needle, including：Sleeve pipe, the first spring, second spring,
Needle shaft sleeve pipe, needle shaft and tail plug；
Described sleeve pipe includes bottom open end and the first test openend；
The needle shaft sleeve pipe includes the second test openend and the first tail end；
First tail end is set in described sleeve pipe, and the first test opening is stretched out in the second test openend
End；
First spring is arranged in described sleeve pipe, is attached with first tail end；
The tail plug is clamped on the bottom open end；
The needle shaft includes test head and the second tail end；
Second tail end is set in the needle shaft sleeve pipe, and the test head stretches out the second test opening
End；
The second spring is arranged in the needle shaft sleeve pipe, is attached with second tail end.
Alternatively, in addition to snap ring；
The snap ring is arranged at the inwall of the second test openend, for the second tail end described in clamping.
Alternatively, the size of the second spring is different from the size of first spring.
Alternatively, the radius of the first test openend described in the radius ratio of the second test openend is small.
Alternatively, first spring and the second spring are qin steel wire spring.
Alternatively, described sleeve pipe is brass sleeve pipe；
The needle shaft sleeve pipe is brass needle shaft sleeve pipe.
Alternatively, the needle shaft is brass needle shaft.
As can be seen from the above technical solutions, the utility model embodiment has advantages below：
The utility model embodiment, which provides a kind of Two-stage Compression testing needle, to be included：Sleeve pipe, the first spring, second spring,
Needle shaft sleeve pipe, needle shaft and tail plug；Described sleeve pipe includes bottom open end and the first test openend；The needle shaft sleeve pipe includes the
Two test openends and the first tail end；First tail end is set in described sleeve pipe, and the second test openend is stretched
Go out the first test openend；First spring is arranged in described sleeve pipe, is attached with the tail end；The tail
Plug is clamped on the bottom open end；The needle shaft includes test head and the second tail end；Second tail end is set in
In the needle shaft sleeve pipe, the test head stretches out the second test openend；The second spring is arranged at the needle shaft
In sleeve pipe, it is attached with second tail end.Testing needle in the present embodiment can again be arrived with twin-stage stress, first needle shaft stress
Needle shaft sleeve stress, greatly increases the stress space of the testing needle, makes the force way variation of the testing needle.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the Two-stage Compression testing needle provided in the utility model embodiment；
Fig. 2 is a kind of Structure explosion diagram of the Two-stage Compression testing needle provided in the utility model embodiment；
Illustrate：Tail plug 1；Sleeve pipe 2；First spring 3；Needle shaft sleeve pipe 4；Second spring 5；Needle shaft 6；Snap ring 7.
Embodiment
The utility model embodiment discloses a kind of twin-stage testing needle, the testing needle dynamics list for solving prior art
One, the problem of its forced compression space is limited.
A kind of one embodiment bag of the twin-stage testing needle provided in Fig. 1 and Fig. 2, the utility model embodiment is provided
Include：Sleeve pipe 2, the first spring 3, second spring 5, needle shaft sleeve pipe 4, needle shaft 6 and tail plug 1；
Sleeve pipe 2 includes bottom open end and the first test openend；
Needle shaft sleeve pipe 4 includes the second test openend and the first tail end；
First tail end is set in sleeve pipe 2, and the second test openend stretches out first and tests openend；
First spring 3 is arranged in sleeve pipe 2, is attached with the first tail end；
Tail plug 1 is clamped on bottom open end；
Needle shaft 6 includes test head and the second tail end；
Second tail end is set in needle shaft sleeve pipe 4, and test head stretches out second and tests openend；
Second spring 5 is arranged in needle shaft sleeve pipe 4, is attached with the second tail end；
Testing needle in the present embodiment can be arrived needle shaft sleeve stress again, be greatly increased this with twin-stage stress, first needle shaft stress
The stress space of testing needle, makes the force way variation of the testing needle.
Further, in addition to snap ring 7；
Snap ring 7 is arranged at the inwall of the second test openend, for the tail end of clamping second；
It is cost-effective using setting snap ring to replace original bottling technique in the present embodiment.
Further, the size of second spring 5 is different from the size of the first spring 3.
Further, the radius of the test of radius ratio first openend of the second test openend is small.
Further, the first spring 3 and second spring 5 are qin steel wire spring.
Further, sleeve pipe 2 is brass sleeve pipe；
Needle shaft sleeve pipe 4 is brass needle shaft sleeve pipe.
Further, needle shaft 6 is brass needle shaft.
Above-mentioned is that a kind of concrete structure of the Two-stage Compression testing needle provided the utility model embodiment is carried out in detail
Description, will be further described through with an application process to this testing needle below, and the one of the offer of the utility model embodiment
Planting an application examples of Two-stage Compression testing needle includes：
The Two-stage Compression testing needle includes：Sleeve pipe, the first spring, second spring, needle shaft sleeve pipe, needle shaft and tail plug；Sleeve pipe
Including bottom open end and the first test openend；Needle shaft sleeve pipe includes the second test openend and the first tail end；First tail
End sleeve is loaded in sleeve pipe, and the second test openend stretches out first and tests openend；First spring is arranged in sleeve pipe, with first
Tail end is attached；Tail plug is clamped on bottom open end；Needle shaft includes test head and the second tail end；Second tail end set
Loaded in needle shaft sleeve pipe, test head stretches out second and tests openend；Second spring is arranged in needle shaft sleeve pipe, with the second tail end
Portion is attached.
Electric current or voltage signal are by the transmission of testing needle come the open circuit of measurement circuit plate or short circuit, wherein twin-stage pressure
The application process of contracting testing needle：
Then electric current or control source measured device are measured shadow of the device for input signal by parameter test system
Ring.
The transmission path of signal：From tester by bunch of cables to test needle tubing, then by testing needle needle shaft to be measured
Solder joint, reach measured device, and last along backtracking to tester.
Testing needle is analyzed：Testing needle needle shaft tail end compression spring, entirety of first spring by needle shaft sleeve pipe during test
Pressure, second spring is by the integral pressure of needle shaft, and arrival needle shaft sleeve pipe arrives sleeve pipe again after electric current begins through needle shaft, so that
Realize testing needle twin-stage stress.
This testing needle can twin-stage stress, first needle shaft stress arrives needle shaft sleeve stress, greatly increases the stress of the testing needle again
Space, makes the force way variation of the testing needle.
A kind of Two-stage Compression testing needle provided by the utility model is described in detail above, for this area
Those skilled in the art, according to the thought of the utility model embodiment, have change in specific embodiments and applications
Part, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (7)
1. a kind of Two-stage Compression testing needle, it is characterised in that including：Sleeve pipe, the first spring, second spring, needle shaft sleeve pipe, needle shaft
With tail plug；
Described sleeve pipe includes bottom open end and the first test openend；
The needle shaft sleeve pipe includes the second test openend and the first tail end；
First tail end is set in described sleeve pipe, and the first test openend is stretched out in the second test openend；
First spring is arranged in described sleeve pipe, is attached with first tail end；
The tail plug is clamped on the bottom open end；
The needle shaft includes test head and the second tail end；
Second tail end is set in the needle shaft sleeve pipe, and the test head stretches out the second test openend；
The second spring is arranged in the needle shaft sleeve pipe, is attached with second tail end.
2. Two-stage Compression testing needle according to claim 1, it is characterised in that also including snap ring；
The snap ring is arranged at the inwall of the second test openend, for the second tail end described in clamping.
3. Two-stage Compression testing needle according to claim 1, it is characterised in that the size of the second spring and described the
The size of one spring is different.
4. Two-stage Compression testing needle according to claim 1, it is characterised in that the radius ratio of the second test openend
The radius of the first test openend is small.
5. Two-stage Compression testing needle according to claim 1, it is characterised in that first spring and the second spring
It is qin steel wire spring.
6. Two-stage Compression testing needle according to claim 1, it is characterised in that described sleeve pipe is brass sleeve pipe；
The needle shaft sleeve pipe is brass needle shaft sleeve pipe.
7. Two-stage Compression testing needle according to claim 1, it is characterised in that the needle shaft is brass needle shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403237.5U CN206420918U (en) | 2016-12-20 | 2016-12-20 | A kind of Two-stage Compression testing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403237.5U CN206420918U (en) | 2016-12-20 | 2016-12-20 | A kind of Two-stage Compression testing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420918U true CN206420918U (en) | 2017-08-18 |
Family
ID=59576648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403237.5U Active CN206420918U (en) | 2016-12-20 | 2016-12-20 | A kind of Two-stage Compression testing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206420918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173012A (en) * | 2018-02-02 | 2018-06-15 | 深圳市恒怡多精彩科技有限公司 | It can secondary flexible pogopin |
| CN112229738A (en) * | 2020-10-12 | 2021-01-15 | 广西益顺盈智能科技集团有限公司 | Device for detecting pressure bearing capacity of mobile phone display screen and using method thereof |
-
2016
- 2016-12-20 CN CN201621403237.5U patent/CN206420918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173012A (en) * | 2018-02-02 | 2018-06-15 | 深圳市恒怡多精彩科技有限公司 | It can secondary flexible pogopin |
| CN112229738A (en) * | 2020-10-12 | 2021-01-15 | 广西益顺盈智能科技集团有限公司 | Device for detecting pressure bearing capacity of mobile phone display screen and using method thereof |
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