CN206388874U - A kind of corrosion-resistant and low-impedance spring probe - Google Patents
A kind of corrosion-resistant and low-impedance spring probe Download PDFInfo
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- CN206388874U CN206388874U CN201720028913.3U CN201720028913U CN206388874U CN 206388874 U CN206388874 U CN 206388874U CN 201720028913 U CN201720028913 U CN 201720028913U CN 206388874 U CN206388874 U CN 206388874U
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- corrosion
- needle shaft
- resistant
- low
- spring probe
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Abstract
The utility model discloses a kind of corrosion-resistant and low-impedance spring probe, including needle shaft, needle tubing and spring, needle tubing includes the first body and the second body；Via hole is axially formed along it in first body, the via hole runs through the first body two ends；In second body blind hole has been axially formed along it；Second body is placed on outside the bottom of the first body, and via hole communicates to form an accommodation space with blind hole；First body is sheathed on the outside of needle shaft；Spring is installed in accommodation space, and its one end is connected to the afterbody of needle shaft, and the other end is connected to the bottom of the blind hole of the second body.In the utility model, needle tubing is designed using separate structure, and the second body portion of bottom is pointed to using the stainless steel with good corrosion resistance, the first body portion for being pointed to top uses the brass material with excellent conductive performance, so that lifting is electrolysed performance while decay resistance is greatly promoted, large current charge use demand is met, with wide market prospects.
Description
Technical field
The utility model is related to art of electrical connectors field, more particularly to a kind of corrosion-resistant and low-impedance spring is visited
Pin.
Background technology
Spring probe, also known as Pogo pin, also referred to as antenna thimble, probe, thimble are a kind of applied to mobile phone, intelligence
Precision connector in the electronic products such as energy wrist-watch, is widely used in the connection function between mainboard such as antenna, battery, is visitor
Family solution can not be difficult to the purposes of the connection completed with shell fragment or other connectors.Performance is steady in use by Pogo pin
Fixed, contact performance is high, connect product that is widely used, being connector first choice.
At present, Pogo pin are mainly made up of three parts, respectively needle shaft, spring and needle tubing, needle shaft and spring, needle tubing
Riveted is integrated, and wherein needle tubing is usually integral structure, and uses brass material, and it has following defect：Because needle tubing is adopted
Brass material is used, its decay resistance is poor, thus when spring probe is applied to the wearable devices such as intelligent watch, needle tubing is often
Can be because by sweat or the corrosion of other materials so that electrolysis bad phenomenon easily occurs in charging process for spring probe.
Utility model content
The purpose of this utility model is to provide a kind of corrosion-resistant and low-impedance spring probe, it is to avoid because needle tubing is easily by corruption
Erosion causes occur the bad phenomenon of electrolysis in charging process.
For up to this purpose, the utility model uses following technical scheme：
A kind of corrosion-resistant and low-impedance spring probe, including needle shaft, needle tubing and spring, the needle tubing include the first pipe
Body and the second body；
In first body, via hole is axially formed along it, the via hole runs through the two ends of the first body；Described
In two bodys, blind hole has been axially formed along it；Second body is placed on outside the bottom of the first body, via hole and blind hole
Communicate to form an accommodation space；
The needle shaft includes the head and afterbody in integrative-structure；First body is sheathed on the outside of needle shaft, and
The afterbody of needle shaft is located inside accommodation space, head is stretched out outside accommodation space；
The spring is installed in inside the accommodation space, and for needle shaft to be connected with the second body, its one end is connected to
The afterbody of needle shaft, the other end is connected to the bottom of the blind hole of the second body.
Optionally, second body is specially stainless steel body.
Optionally, first body is specially stainless steel body.
Optionally, first body is specially brass body.
Optionally, first outer surface of tube body is provided with Gold plated Layer.
Optionally, the outer surface of first body is additionally provided with interference structure, and the first pipe is placed in second body
When outside the bottom of body, the inwall of the interference structure and the second body is inconsistent.
Optionally, limited step is additionally provided with the needle shaft, positioned at the head and the junction of afterbody.
Optionally, the end face of the afterbody of the needle shaft is plane.
Optionally, the end face of the afterbody of the needle shaft is inclined-plane.
Optionally, the end face on the head of the needle shaft is Surface of Sphere.
The beneficial effects of the utility model：
In the spring probe that the utility model embodiment is provided, needle tubing is designed using separate structure, and is pointed to bottom
The second body portion use with good corrosion resistance stainless steel, be pointed to top the first body portion use
Brass material with excellent conductive performance so that lifting electrolysis performance while decay resistance is greatly promoted, meets big
Electric current charging use demand, with wide market prospects.
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.
The entirety sectional view for the corrosion-resistant and low-impedance spring probe that Fig. 1 provides for the utility model embodiment；
The exploded view for the corrosion-resistant and low-impedance spring probe that Fig. 2 provides for the utility model embodiment；
Illustrate：Needle shaft 1, needle tubing 2, spring 3, head 11, afterbody 12, limited step 13, the first body 21, second pipe
Body 22, via hole 211, interference structure 212, blind hole 221.
Embodiment
, below will knot to enable utility model purpose of the present utility model, feature, advantage more obvious and understandable
The accompanying drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only a part of embodiment of the utility model, and not all embodiment.Based on this reality
With the embodiment in new, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of the utility model protection.
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Embodiment one
With reference to shown in Fig. 1 and Fig. 2, in the present embodiment, spring probe includes：Needle shaft 1, needle tubing 2, spring 3；Spring 2 is installed
Inside needle tubing 2, needle tubing 2 is sheathed on the outside of needle shaft 1 and one end of needle shaft 1 and stretches out outside, and bullet is passed through between needle shaft 1 and needle tubing 2
Spring 3 is connected, and spring 3 can do stretching motion along the axial direction of needle tubing 2.
Wherein, needle tubing 2 uses separate structure, including the first body 21 and the second body 22.Along it in first body 21
Via hole 211 is axially formed, the via hole 211 runs through the two ends of the first body 21；It is axially formed in second body 22 along it
There is blind hole 221, the aperture of the blind hole 221 is more than the aperture of via hole 211.Second body 22 is fixed and is placed on the first body 21
To be managed the bottom of as outside bottom, now via hole 211 communicates to form an accommodation space with blind hole 221.
The outer surface of first body 21 is additionally provided with interference structure 212, and one is assembled into the first body 21 and the second body 22
During body, the inwall of 212 and second body of interference structure 22 produces frictional force, prevents two bodys to be mutually disengaged, increase assembling
Steadiness.
Needle shaft 1 includes the head 11 and afterbody 12 in integrative-structure；First body 21 is sheathed on the outside of needle shaft 1, and
The afterbody 12 of needle shaft 1 is located inside via hole 211, head 11 is stretched out outside via hole 211.
For the ease of installing again so that the head 11 of needle shaft 1 can be stretched out from needle tubing 2 not exclusively to be skidded off, head 11 and afterbody
12 junction is additionally provided with limited step 13 so that afterbody 12 is stuck in inside needle tubing 2 when 2 outside of needle tubing is stretched out on head 11.
Spring 3 is installed in inside the accommodation space of via hole 211 and blind hole 221 formation, for by the body of needle shaft 1 and second
21 connections, its one end is connected to the afterbody 12 of needle shaft 1, and the other end is connected to the bottom of the blind hole 221 of the second body 21.
When in use, needle tubing 2 is electrically connected with corresponding electrode, then inserted on the head 11 of needle shaft 1 in connector, this
When spring 3 shrink so that the head 11 of needle shaft 1 is corresponding with the contact in connector to be steadily contacted.When occurring slight vibrations, bullet
Spring 3 can accordingly shrink or diastole causes the head 11 of needle shaft 1 to keep being steadily contacted all the time with contact, so as to ensure circuit turn-on
It is smooth.
To realize good decay resistance, the second body 22 is made of strong corrosion resistant material, is specifically as follows stainless
Steel matter, the first body 21 can use various conducting metal materials, specific unrestricted.
In use, under normal circumstances, the bottom of needle tubing 2 is easily in contact and corroded with corrosive deposit, and this reality
Apply needle tubing 2 in example and use separate structure, and as bottom pipe the second body 22 using with strong corrosion resistant performance and conduction
Stainless steel, so that needle tubing 2 substantially increases decay resistance on the basis of conduction is realized.
Embodiment two
In the present embodiment, corrosion-resistant spring probe includes：Needle shaft 1, needle tubing 2, spring 3.
Wherein, needle tubing 2 uses separate structure, including the first body 21 and the second body 22.Along it in first body 21
Via hole 211 is axially formed, the via hole 211 runs through the two ends of the first body 21；It is axially formed in second body 22 along it
There is blind hole 221, the aperture of the blind hole 221 is more than the aperture of via hole 211.Second body 22 is fixed and is placed on the first body 21
To be managed the bottom of as outside bottom, now via hole 211 communicates to form an accommodation space with blind hole 221.
The outer surface of first body 21 is additionally provided with interference structure 212, and one is assembled into the first body 21 and the second body 22
During body, the inwall of 212 and second body of interference structure 22 produces frictional force, prevents two bodys to be mutually disengaged, increase assembling
Steadiness.
Needle shaft 1 includes the head 11 and afterbody 12 in integrative-structure；First body 21 is sheathed on the outside of needle shaft 1, and
The afterbody 12 of needle shaft 1 is located inside via hole 211, head 11 is stretched out outside via hole 211.
Spring 3 is installed in inside the accommodation space of via hole 211 and blind hole 221 formation, for by the body of needle shaft 1 and second
21 connections, its one end is connected to the afterbody 12 of needle shaft 1, and the other end is connected to the bottom of the blind hole 221 of the second body 21.
To realize good decay resistance, the second body 22 is made of strong corrosion resistant material, is specifically as follows stainless
Steel matter.
Meanwhile, in order to realize low resistance, the first body 21 uses the conducting metal material with excellent conductive performance, specifically
For brass material, and its outer surface is gold-plated.
In order to realize good electric power conducting effect, it will usually it is required that the resistance value produced by spring probe is the smaller the better,
Thus, the present embodiment two is improved on the basis of embodiment one, specifies the first body 21 using with satisfactory electrical conductivity
The gold-plated material of brass of energy so that spring probe reduces impedance while good corrosion resistance is realized, meets high current and fills
The application demand of electricity.
Embodiment three
In order to realize good electric power conducting effect, it will usually it is required that the resistance value produced by spring probe is the smaller the better,
And the resistance that spring probe is used is in addition to the material with using is relevant, the contact area also with needle shaft 1 and needle tubing 2 has directly
Relation is connect, size and the contact area of resistance are inversely proportional.
Thus, in the present embodiment, corrosion-resistant spring probe includes：Needle shaft 1, needle tubing 2, spring 3.
Needle tubing 2 uses separate structure, including the first body 21 and the second body 22.Along its axial shape in first body 21
Into there is via hole 211, the via hole 211 runs through the two ends of the first body 21；In second body 22 blind hole has been axially formed along it
221, the aperture of the blind hole 221 is more than the aperture of via hole 211.Second body 22 is fixed and is placed on outside the bottom of the first body 21
Portion the bottom of as to manage, and now via hole 211 communicates to form an accommodation space with blind hole 221.
Needle shaft 1 includes the head 11 and afterbody 12 in integrative-structure；First body 21 is sheathed on the outside of needle shaft 1, and
The afterbody 12 of needle shaft 1 is located inside via hole 211, head 11 is stretched out outside via hole 211.
The end face on head 11 is designed using Surface of Sphere, is contacted with ensureing that head 11 and contact are point-to-point；The end face of afterbody 12
Using inclined design so that the run-off the straight in active procedure of needle shaft 1, increase the contact area of the body 21 of needle shaft 1 and first, drop
Low ESR, lifts conductive performance.
Described above, above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the utility model
Spirit and scope.
Claims (10)
1. a kind of corrosion-resistant and low-impedance spring probe, including needle shaft, needle tubing and spring, it is characterised in that the needle tubing
Including the first body and the second body；
In first body, via hole is axially formed along it, the via hole runs through the two ends of the first body；Second pipe
In vivo, blind hole has been axially formed it along it；Second body is placed on outside the bottom of the first body, and via hole is communicated with blind hole
Form an accommodation space；
The needle shaft includes head and afterbody；First body is sheathed on the outside of needle shaft, and needle shaft afterbody be located at it is accommodating
Interior volume, head are stretched out outside accommodation space；
The spring is installed in inside the accommodation space, and its one end is connected to the afterbody of needle shaft, and the other end is connected to the second pipe
The bottom of the blind hole of body.
2. according to claim 1 corrosion-resistant and low-impedance spring probe, it is characterised in that second body is specific
For stainless steel body.
3. according to claim 1 corrosion-resistant and low-impedance spring probe, it is characterised in that first body is specific
For stainless steel body.
4. according to claim 1 corrosion-resistant and low-impedance spring probe, it is characterised in that first body is specific
For brass body.
5. according to claim 4 corrosion-resistant and low-impedance spring probe, it is characterised in that the first body appearance
Face is provided with Gold plated Layer.
6. according to claim 1 corrosion-resistant and low-impedance spring probe, it is characterised in that outside first body
Surface is additionally provided with interference structure, when second body is placed on outside the bottom of the first body, the interference structure and second
The inwall of body is inconsistent.
7. according to claim 1 corrosion-resistant and low-impedance spring probe, it is characterised in that be additionally provided with the needle shaft
Limited step, positioned at the head and the junction of afterbody.
8. according to claim 1 corrosion-resistant and low-impedance spring probe, it is characterised in that the afterbody of the needle shaft
End face is plane.
9. according to claim 1 corrosion-resistant and low-impedance spring probe, it is characterised in that the afterbody of the needle shaft
End face is inclined-plane.
10. according to claim 1 corrosion-resistant and low-impedance spring probe, it is characterised in that the head of the needle shaft
End face be Surface of Sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028913.3U CN206388874U (en) | 2017-01-10 | 2017-01-10 | A kind of corrosion-resistant and low-impedance spring probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028913.3U CN206388874U (en) | 2017-01-10 | 2017-01-10 | A kind of corrosion-resistant and low-impedance spring probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206388874U true CN206388874U (en) | 2017-08-08 |
Family
ID=59492692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720028913.3U Active CN206388874U (en) | 2017-01-10 | 2017-01-10 | A kind of corrosion-resistant and low-impedance spring probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206388874U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549236A (en) * | 2017-01-10 | 2017-03-29 | 东莞中探探针有限公司 | A kind of corrosion-resistant and low-impedance spring probe |
| CN109188160A (en) * | 2018-11-02 | 2019-01-11 | 浙江万马集团特种电子电缆有限公司 | A kind of robot harness testing cassete |
| CN110994238A (en) * | 2019-12-26 | 2020-04-10 | 东莞中探探针有限公司 | Corrosion-resistant spring probe |
-
2017
- 2017-01-10 CN CN201720028913.3U patent/CN206388874U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549236A (en) * | 2017-01-10 | 2017-03-29 | 东莞中探探针有限公司 | A kind of corrosion-resistant and low-impedance spring probe |
| CN106549236B (en) * | 2017-01-10 | 2019-06-28 | 东莞中探探针有限公司 | A kind of corrosion-resistant and low-impedance spring probe |
| CN109188160A (en) * | 2018-11-02 | 2019-01-11 | 浙江万马集团特种电子电缆有限公司 | A kind of robot harness testing cassete |
| CN110994238A (en) * | 2019-12-26 | 2020-04-10 | 东莞中探探针有限公司 | Corrosion-resistant spring probe |
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