CN110036299A - Probe - Google Patents
Probe Download PDFInfo
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- CN110036299A CN110036299A CN201780069227.3A CN201780069227A CN110036299A CN 110036299 A CN110036299 A CN 110036299A CN 201780069227 A CN201780069227 A CN 201780069227A CN 110036299 A CN110036299 A CN 110036299A
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- China
- Prior art keywords
- connecting elements
- face
- probe
- helical spring
- plunger
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
Probe (1) has plunger (10), helical spring (20) and connecting elements (30).Connecting elements (30) has the first end face (32) of the third end (12) towards plunger (10) and the second end face (33) of the 4th end (21) towards helical spring (20).First end face (32) and third end (12) point contact.The first contact portion of at least one of third end (12) and first end face (32) between third end (12) and first end face (32) includes a part of the first spherical surface.Second end face (33) is configured to not extend the internal diameter and outer diameter of the helical spring (20) at the 4th end (21).Therefore, probe (1) has a longer life expectancy.
Description
Technical field
The present invention relates to probes.
Background technique
Japanese Unexamined Patent Publication 2009-115659 bulletin (patent document 1) and Japanese Unexamined Patent Publication 2002-202323 bulletin (patent
Document 2) a kind of probe is disclosed, have cylinder, be configured to the length of cylinder of existing while relative to cylinder rotation
The plunger moved on direction and the helical spring to plunger force.Japanese Unexamined Patent Publication 61-99060 bulletin (patent document 3) is public
A kind of probe has been opened, has had cylinder, the length direction of cylinder of being configured to exist while relative to cylinder rotation moves up
Dynamic plunger, to the helical spring of plunger force and the ball being configured between plunger and helical spring.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2009-115659 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2002-202323 bulletin
Patent document 3: Japanese Unexamined Patent Publication 61-99060 bulletin
Summary of the invention
Subject to be solved by the invention
However, in the probe disclosed in patent document 1 and patent document 2, helical spring and plunger face contact.In spiral bullet
Spring is flexible and plunger when being moved on the length direction of cylinder, when plunger is rotated relative to cylinder, plunger is to helical spring
Apply twisting resistance.The twisting resistance for being iteratively operating on helical spring can be such that helical spring is broken.Therefore, patent document 1 and patent
Probe disclosed in document 2 has the shorter service life.
In addition, in the probe disclosed in patent document 3, when to the inspection terminal depressing plunger of inspected body, the one of ball
Part enters the inside of helical spring, and ball makes helical spring in the radially expansion of helical spring.The helical spring and cylinder of expansion
The inner wall of body rubs and causes helical spring impaired or fracture.Therefore, probe disclosed in patent document 3 also has the shorter longevity
Life.
The present invention makes in view of the above subject, and its purpose is to provide a kind of probes having a longer life expectancy.
Solution for solving the problem
Probe of the invention has cylinder, plunger, helical spring and connecting elements.Cylinder has first end and with first
The second end of the opposite side in end, the first end have opening.Plunger has contact jaw sub-portion and and contact terminal
The third end of the opposite side in portion.Third end is contained in cylinder, and contact jaw sub-portion is exposed from first end.Plunger is constituted
For can on one side relative to cylinder rotation while exist cylinder length direction on move.Helical spring is towards first end to plunger
Force.Helical spring is configured between the second end and third end.Helical spring has the 4th end of third end side.Even
Third end is connect by connection member with the 4th end.Connecting elements is with the first end face towards third end and towards the 4th end
The second end face in portion.First end face and third end point contact.At least one of third end and first end face are at third end
The first contact portion between portion and first end face includes a part of the first spherical surface.Second end face is configured to not extend the 4th end
The internal diameter and outer diameter of the helical spring at place.
The effect of invention
In probe of the invention, the first end face of connecting elements and the third end point contact of plunger, and third end
The first contact portion of at least one of portion and first end face between third end and first end face includes the one of the first spherical surface
Part.Therefore, the area of the first contact portion between connecting elements and plunger can substantially be reduced.Can substantially it reduce whenever column
Plunger is applied to the twisting resistance of helical spring via connecting elements when filling in relative to cylinder rotation.Moreover, second end face is configured to
The internal diameter and outer diameter of the helical spring of the 4th end are not extended.It is therefore prevented that pushing column to the inspection terminal of inspected body
Connecting elements enters the inside of helical spring when plug.It prevents the inner wall of helical spring and cylinder from rubbing and causes helical spring impaired
Or fracture.In this way, probe of the invention has a longer life expectancy.
Detailed description of the invention
Fig. 1 is the skeleton diagram of the probe of embodiments of the present invention 1.
Fig. 2 is the outline enlarged partial sectional view in the region II probe of embodiments of the present invention 1, shown in FIG. 1.
Fig. 3 is the outline amplification stereogram for the plunger that the probe of embodiments of the present invention 1 includes.
Fig. 4 is the schematic sectional view at the hatching IV-IV probe of embodiments of the present invention 1, shown in Fig. 3.
Fig. 5 is to show connecing helical spring and connecting elements in the manufacturing method of the probe of embodiments of the present invention 1
The outline enlarged partial sectional view of the process of conjunction.
Fig. 6 is to show connecing helical spring and connecting elements in the manufacturing method of the probe of embodiments of the present invention 1
The outline enlarged partial sectional view of the process of conjunction.
Fig. 7 is the skeleton diagram of the probe of the first variation of embodiments of the present invention 1.
Fig. 8 is the skeleton diagram of the probe of the second variation of embodiments of the present invention 1.
Fig. 9 is the skeleton diagram of the probe of embodiments of the present invention 2.
Figure 10 is the outline enlarged partial sectional view in the region X probe of embodiments of the present invention 2, shown in Fig. 9.
Figure 11 is the skeleton diagram of the probe of embodiments of the present invention 3.
Figure 12 is the outline partial enlargement section view in region XII shown in the probe of embodiments of the present invention 3, Figure 11
Figure.
Figure 13 is the outline enlarged partial sectional view of the probe of the variation of embodiments of the present invention 3.
Figure 14 is the skeleton diagram of the probe of embodiments of the present invention 4.
Figure 15 is the outline partial enlargement section view in region XV shown in the probe of embodiments of the present invention 4, Figure 14
Figure.
Figure 16 is the skeleton diagram of the probe of the variation of embodiments of the present invention 4.
Figure 17 is the outline office in region XVII shown in the probe of the variation of embodiments of the present invention 4, Figure 16
Portion's enlarged cross-sectional view.
Figure 18 is that the outline partial enlargement for the process of manufacturing method for showing the probe of embodiments of the present invention 4 cuts open
View.
Figure 19 is next work of process shown in Figure 18 for showing in the manufacturing method of the probe of embodiments of the present invention 4
The outline enlarged partial sectional view of sequence.
Figure 20 is the skeleton diagram of the probe of embodiments of the present invention 5.
Figure 21 is the outline partial enlargement section view in region XXI shown in the probe of embodiments of the present invention 5, Figure 20
Figure.
Figure 22 is the skeleton diagram of the probe of embodiments of the present invention 6.
Figure 23 is that the outline partial enlargement in region XXIII shown in the probe of embodiments of the present invention 6, Figure 22 cuts open
View.
Figure 24 is the skeleton diagram of the probe of embodiments of the present invention 7.
Figure 25 is the outline partial enlargement section view in region XXV shown in the probe of embodiments of the present invention 7, Figure 24
Figure.
Specific embodiment
Hereinafter, illustrating embodiments of the present invention.In addition, marking identical appended drawing reference to identical structure, and do not weigh
Its multiple explanation.
Embodiment 1.
Referring to figs. 1 to Fig. 4, illustrate the probe 1 of embodiment 1.The probe 1 of present embodiment have cylinder 3, plunger 10,
Helical spring 20 and connecting elements 30.
Cylinder 3 has the second end 6 of first end 5 and the side opposite with first end 5, and the first end 5 has
There is the first opening 4.The second end 6 can have following second opening, which has outside than the first of helical spring 20
Diameter r3Small diameter.Cylinder 3 extends along the length direction of cylinder 3.The length direction of cylinder 3 is by first end 5 and second
The direction that end 6 links.Cylinder 3 has the first internal diameter r1。
As shown in Figures 1 and 3, plunger 10 has the third of contact jaw sub-portion 11 and the side opposite with contact jaw sub-portion 11
End 12.Third end 12 is contained in cylinder 3.Contact jaw sub-portion 11 is exposed from the first end 5 of cylinder 3.Contact jaw sub-portion 11
It can be the tapering front end of plunger 10.Plunger 10 has the first internal diameter r than cylinder 31Small outer diameter.The outer diameter of plunger 10 can
With the second external diameter r with the sub- connecting elements 31 of connecting elements 30 or the first4It is equal, it can also be different.
Plunger 10 is configured to move on the length direction for existing cylinder 3 while rotating relative to cylinder 3.To quilt
When checking inspection terminal (not shown) depressing plunger 10 of body, plunger 10 is revolved relative to cylinder 3 and the inspection terminal of inspected body
Turn.Therefore, the contact jaw sub-portion 11 of plunger 10 can puncture thin layer (such as pollutant or the oxidation that covering checks the surface of terminal
Film) and directly contacted with terminal is checked.Since plunger 10 is configured to the cylinder 3 that exists while rotating relative to cylinder 3
It moves on length direction, so can reduce the contact resistance of inspected body checked between terminal and plunger 10, is able to use
Probe 1 correctly checks inspected body.When plunger 10 leaves from the inspection terminal of inspected body, plunger 10 is also relative to cylinder
3 and inspected body inspection terminal rotation.
As shown in Fig. 1, Fig. 3 and Fig. 4, in the first case of present embodiment, cylinder 3 may include the first protrusion 7 and
Two protrusions 8, and plunger 10 can have the first helicla flute 16 engaged with the first protrusion 7 and engage with the second protrusion 8 second
Helicla flute 17.First protrusion 7 and the second protrusion 8 are prominent from the inner wall 9 of cylinder 3.Second protrusion 8 can be configured in the first protrusion
7 and second clip plunger 10 and opposite with the first protrusion 7 between protrusion 8.Therefore, plunger 10 is moved up in the length direction of cylinder 3
When dynamic, plunger 10 is rotated relative to cylinder 3.First protrusion 7 can be only fitted to and the second protrusion 8 on the length direction of cylinder 3
Identical position also can be only fitted to the position different from the second protrusion 8.
In the second case of present embodiment, plunger 10 may include the first protrusion 7 and the second protrusion 8, and cylinder 3 can be with
With the first helicla flute 16 engaged with the first protrusion 7 and the second helicla flute 17 engaged with the second protrusion 8.In present embodiment
Third example in, the second protrusion 8 and the second helicla flute 17 can be omitted in the first case and second case of present embodiment.
Plunger 10 may include the neck 14 between piston body portion 13, head 15 and piston body portion 13 and head 15.
Neck 14 has the diameter smaller than piston body portion 13 and head 15.Piston body portion 13 has contact jaw sub-portion in its front end
11.Piston body portion 13 can have the first helicla flute 16 engaged with the first protrusion 7 and the second spiral shell engaged with the second protrusion 8
Spin slot 17.Head 15 includes third end 12.Head 15 is configured to abut with the first protrusion 7 and the second protrusion 8, prevents column
Plug 10 is detached from from cylinder 3.
Helical spring 20 exerts a force to plunger 10 towards first end 5.Helical spring 20 is right towards inspected body (not shown)
Plunger 10 exerts a force.Helical spring 20 configures between the second end 6 of cylinder 3 and the third end 12 of plunger 10.Helical spring
20 the 4th ends 21 with 12 side of third end.Helical spring 20 is manufactured with conductive material.Helical spring 20 and cylinder 3
The second end 6 contacts.Helical spring 20 is electrically connected with the second end 6 of cylinder 3.As shown in Fig. 2, helical spring 20 has second
Internal diameter r2With first external diameter r3。
Connecting elements 30 includes the first sub- connecting elements 31.The sub- connecting elements 31 of connecting elements 30 or the first is by third end
12 connect with the 4th end 21.The sub- connecting elements 31 of connecting elements 30 or the first has the first end face towards third end 12
32, second end face 33 towards the 4th end 21 and the side 35 for connecting first end face 32 with second end face 33.Connecting elements
30 or first sub- connecting elements 31 have than helical spring 20 first external diameter r3Greatly and than the first internal diameter r of cylinder 31Small
Two outer diameter r4.It is not particularly limited along the length L of the side 35 of the length direction of cylinder 3, it can be than the first internal diameter of cylinder 3
r1Greatly.Due to the length direction along cylinder 3 side 35 length L than cylinder 3 the first internal diameter r1Greatly, so connecting elements
30 or first sub- connecting elements 31 can steadily be moved along the length direction of cylinder 3.
Second end face 33 can be the curved surface (33) of recess.Second end face 33 may include accommodate helical spring 20 the 4
The recess portion 34 of end 21.4th end 21 of helical spring 20 is contained in the recess portion 34 of connecting elements 30.Therefore, helical spring 20
It can be gap be formed between helical spring 20 and the inner wall 9 of cylinder 3 on the direction that the length direction of cylinder 3 intersects
Mode is supported on connecting elements 30.Recess portion 34 prevents helical spring 20 relative to connecting elements 30 in the length direction with cylinder 3
Positional shift on the direction of intersection.Recess portion 34 can prevent the friction of the inner wall 9 of helical spring 20 and cylinder 3 and lead to helical spring
20 impaired or fractures.Recess portion 34 can make the active force of helical spring 20 steadily be applied to connecting elements 30 and plunger 10.It is recessed
Portion 34 can be the curved surface (33) of recess.Recess portion 34 can be a part of spherical surface.The depth d of recess portion 341It can be spiral bullet
It is more than the pitch P of spring 20.In the present embodiment, the depth d of recess portion 341It is equal with the pitch P of helical spring 20.
Referring to Fig. 2, electric conductivity engagement member 50 can be used by the 4th end 21 of helical spring 20 and connecting elements 30
Second end face 33 engage.Electric conductivity engagement member 50 can be securely and with lower contact resistance by helical spring 20
4th end 21 is engaged with the second end face 33 of connecting elements 30.Electric conductivity engagement member 50 prevents helical spring 20 relative to even
30 positional shift of connection member.In the 4th end 21 of helical spring 20, the wire rod of helical spring 20 can have inclined end face.
The inclined end face of helical spring 20 can make the bonding area between helical spring 20 and electric conductivity engagement member 50 increase and
Keep the engagement between helical spring 20 and electric conductivity engagement member 50 secured.Electric conductivity engagement member 50 is not particularly limited, can
To be silver-colored (Ag) the class solder of tin (Sn)-, solder as tin (Sn)-copper (Cu) class solder or tin (Sn)-bismuth (Bi) class solder.
Referring to Fig. 5 and Fig. 6, illustrate the work for engaging helical spring 20 with connecting elements 30 (the first sub- connecting elements 31)
Sequence.As shown in figure 5, configuring connecting elements 30 in the recess portion 61 of the first fixture 60.First fixture 60 can with not with solder
(50) engage and have the material of the thermal expansion coefficient and excellent heat resistance smaller than connecting elements 30 (the first sub- connecting elements 31)
Material manufacture.First fixture 60 can for example use carbon or quartz manufacture.Then, the 4th end 21 of soldering paste and helical spring 20 configures
In the second end face 33 of connecting elements 30.Solder grain can also be configured in the second end face 33 of connecting elements 30 and helps weldering
Agent replaces soldering paste.Then, solder (50) are heated with the temperature higher than the fusing point of solder (50).As shown in fig. 6, using solder
(50) the 4th end 21 of helical spring 20 is engaged with the second end face 33 of connecting elements 30.
The first end face 32 of connecting elements 30 and 12 point contact of third end of plunger 10.Third end 12 and first end face
At least one of 32 the first contact portion between third end 12 and first end face 32 includes a part of the first spherical surface.Really
It says with cutting, can be, the first contact portion between third end 12 and first end face 32, first end face 32 includes the first spherical surface
A part, and third end 12 include the first plane.First spherical surface of first end face 32 can be with the first of third end 12
Plane contact.In addition, in the present specification, " spherical surface " not only includes complete spherical surface, it also include that can be connect with opposite millet cake
The curved surface of touching.
Due to making (the first sub- connecting elements 31) Xiang Zhusai 10 of connecting elements 30 exert a force using helical spring 20, so even
The first contact portion between connection member 30 (the first sub- connecting elements 31) and plunger 10, (the first sub- connecting elements of connecting elements 30
31) it is locally deformed with plunger 10.Shape is locally deformed by connecting elements 30 (the first sub- connecting elements 31) and plunger 10
At, the area of the first contact portion between the connecting elements 30 (the first sub- connecting elements 31) and plunger 10 of present embodiment,
With the connecting elements 30 (the first sub- connecting elements 31) and plunger that third end 12 and first end face 32 are in the comparative example of plane
The area of the first contact portion between 10 is compared to very small.(the first son is even for connecting elements 30 in an example of present embodiment
Connection member 31) for the connecting elements 30 in above-mentioned comparative example, (the first son is connect with the area of the first contact portion between plunger 10
Component 31) and plunger 10 between the first contact portion area 1/200th or less.
(the first son connects structure to connecting elements 30 in an example of the present embodiment calculated according to the contact theory of Hertz
Part 31) and plunger 10 between the radius of the first contact portion be about 10.6 μm.In the probe 1 of present embodiment, due to connection
The area of the first contact portion between component 30 (the first sub- connecting elements 31) and plunger 10 is very small, so can be considered as connection
The first end face 32 of component 30 (the first sub- connecting elements 31) and 12 point contact of third end of plunger 10.
In this way, in the probe 1 of present embodiment, the first end face 32 of connecting elements 30 (the first sub- connecting elements 31) with
12 point contact of third end of plunger 10, and at least one of third end 12 and first end face 32 third end 12 with
The first contact portion between first end face 32 includes a part of the first spherical surface.Therefore, can substantially reduce connecting elements 30 with
The area of the first contact portion between plunger 10.The plunger 10 when plunger 10 is rotated relative to cylinder 3 can substantially be reduced to pass through
The twisting resistance of helical spring 20 is applied to by connecting elements 30.
Second end face 33 is configured to not extend internal diameter (the second internal diameter r of the helical spring 20 at the 4th end 212) and it is outer
Diameter (first external diameter r3).Specifically, in the probe 1 of present embodiment, 21 company of being contained in of the 4th end of helical spring 20
The recess portion 34 that the second end face 33 of connection member 30 includes.It is therefore prevented that when to the inspection terminal depressing plunger 10 of inspected body
Connecting elements 30 enters the inside of helical spring 20.It prevents the friction of the inner wall 9 of helical spring 20 and cylinder 3 and leads to helical spring
20 impaired or fractures.When to the inspection terminal depressing plunger 10 of inspected body, only along the compressing force of the length direction of cylinder 3
Helical spring 20 is acted on, twisting resistance does not work substantially.Therefore, helical spring 20 is inhibited to rotate.Inhibit helical spring 20
The torsional mode of wire rod change.Inhibition is changed using the power that helical spring 20 applies plunger 10.10 quilt of plunger
The inspection terminal (not shown) of inspected body is pressed to constant pushing force.1 long-time of probe has constant inspection characteristic.
Cylinder 3, plunger 10 and connecting elements 30 are manufactured with conductive material.Cylinder 3, plunger 10 and connecting elements 30 can be with
It is manufactured with the material of the Young's modulus with 200GPa or more.Although being not particularly limited, cylinder 3, plunger 10 and connection structure
Part 30 can be manufactured with copper, steel, stainless steel, carbon tool steel steel (SK material) or high-speed tool steel steel (SKH material).Cylinder
Body 3, plunger 10 and connecting elements 30 can be manufactured with material same to each other.The surface of cylinder 3, plunger 10 and connecting elements 30
It can be coated with more than one conductive layer.More than one conductive layer for example can be the layer gold on nickel layer and nickel layer, can also
To be the Au-Co alloy layer on nickel layer and nickel layer, the palladium layers being also possible on nickel layer and nickel layer.More than one conductive layer can
Make the contact resistance between plunger 10 and the contact resistance and plunger 10 and connecting elements 30 of inspected body checked between terminal
It reduces.
When to the inspection terminal depressing plunger 10 of inspected body, the inspection terminal of inspected body passes through plunger 10, connection
Component 30 and helical spring 20 are electrically connected with cylinder 3.In such manner, it is possible to which the probe 1 using present embodiment checks inspected body
Electrical characteristics.
Referring to Fig. 7, illustrate the probe 1b of the first variation of present embodiment.The spy of the first variation of present embodiment
Needle 1b has structure identical with the probe 1 of present embodiment, but main different in the following areas.The first of present embodiment becomes
The piston body portion 13b of the probe 1b of shape example may include the plate 18 of torsion to replace the piston body portion 13 of present embodiment
The first helicla flute 16 and the second helicla flute 17.The first protrusion 7 and the second protrusion 8 of cylinder 3 engage with the plate 18 of torsion.Cause
This, moves on the length direction that plunger 10b can exist cylinder 3 while rotating relative to cylinder 3.
Referring to Fig. 8, illustrate the probe 1c of the second variation of present embodiment.The spy of second variation of present embodiment
Needle 1c has structure identical with the probe 1b of the first variation of present embodiment, but main different in the following areas.At this
In the probe 1c of second variation of embodiment, the first protrusion 7c is configured at and the second protrusion on the length direction of cylinder 3c
8 different positions.Exactly, it can be, on the length direction of cylinder 3c, the first protrusion 7c is configured than the second protrusion 8
By the position of 5 side of first end.First protrusion 7c of the second variation of present embodiment and the second protrusion 8 can make plunger
10b is steadily moved on the length direction of cylinder 3c relative to cylinder 3c.
The probe 1 of this embodiment and its modifications example, the effect of 1b, 1c are illustrated.
Probe 1,1b, 1c of this embodiment and its modifications example have cylinder 3,3c, plunger 10,10b, helical spring 20 and
Connecting elements 30.Cylinder 3,3c have the second end 6 of first end 5 and the side opposite with first end 5, the first end
Portion 5 has opening.Plunger 10,10b have the third end 12 of contact jaw sub-portion 11 and the side opposite with contact jaw sub-portion 11.
Third end 12 is contained in cylinder 3,3c, and contact jaw sub-portion 11 is exposed from first end 5.Plunger 10,10b are configured to one
While relative to cylinder 3,3c rotation on one side cylinder 3,3c length direction on move.Helical spring 20 is right towards first end 5
Plunger 10,10b force.Helical spring 20 is configured between the second end 6 and third end 12.Helical spring 20 has third end
4th end 21 of 12 side of portion.Third end 12 is connect by connecting elements 30 with the 4th end 21.Connecting elements 30 have towards
The first end face 32 of third end 12 and second end face 33 towards the 4th end 21.First end face 32 connects for 12 points with third end
Touching.The first contact portion of at least one of third end 12 and first end face 32 between third end 12 and first end face 32
A part including the first spherical surface.Second end face 33 is configured to not extend the internal diameter (of the helical spring 20 at the 4th end 21
Two internal diameter r2) and outer diameter (first external diameter r3)。
In the probe 1,1b, 1c of this embodiment and its modifications example, can substantially reduce connecting elements 30 and plunger 10,
The area of the first contact portion between 10b.The plunger when plunger 10,10b are relative to cylinder 3,3c rotation can substantially be reduced
10,10b is applied to the twisting resistance of helical spring 20 via connecting elements 30.Moreover, preventing in the inspection terminal to inspected body
Connecting elements 30 enters the inside of helical spring 20 when depressing plunger 10,10b.Prevent the inner wall of helical spring 20 and cylinder 3,3c
9 rub and cause helical spring 20 impaired or fracture.Probe 1,1b, 1c of this embodiment and its modifications example have the longer longevity
Life.
In the probe 1,1b, 1c of this embodiment and its modifications example, in third end 12 and first end face 32 at least
One the first contact portion between third end 12 and first end face 32 includes a part of the first spherical surface.Therefore, with plunger
10, at least one of first end face 32 of the third end 12 of 10b and connecting elements 30 includes at least part of of circular cone
The probe of comparative example is compared, in the probe 1,1b, 1c of this embodiment and its modifications example, be able to suppress by connecting elements 30 with
The abrasion of connecting elements 30 caused by plunger 10,10b mutually rub and plunger 10,10b.Moreover, in present embodiment and its change
In the probe 1 of shape example, 1b, 1c, even if connecting elements 30 changes relative to the inclination of plunger 10,10b, it can will also connect
The area of the first contact portion between component 30 and plunger 10,10b remains virtually constant.Therefore, it is able to maintain that substantially
Reduction plunger 10,10b are applied to the state of the twisting resistance of helical spring 20 via connecting elements 30.This embodiment and its modifications
Probe 1,1b, 1c of example have a longer life expectancy.
In the probe 1,1b, 1c of this embodiment and its modifications example, can be, first end face 32 third end 12 with
The first contact portion between first end face 32 includes a part of the first spherical surface, and third end 12 is in third end 12 and first
The first contact portion between end face 32 includes the first plane.It, can in the probe 1,1b, 1c of this embodiment and its modifications example
Substantially reduce the area of the first contact portion between connecting elements 30 and plunger 10,10b.Can substantially reduce whenever plunger 10,
Plunger 10,10b are applied to the twisting resistance of helical spring 20 via connecting elements 30 when 10b is relative to cylinder 3,3c rotation.This reality
Probe 1,1b, the 1c for applying mode and its variation have a longer life expectancy.
In the probe 1,1b, 1c of this embodiment and its modifications example, second end face 33 may include receiving helical spring
The recess portion 34 of 20 the 4th end 21.Therefore, helical spring 20 can be in the direction that the length direction with cylinder 3,3c intersects
On helical spring 20 and cylinder 3,3c inner wall 9 between form the mode in gap and be supported on connecting elements 30.Recess portion 34 prevents
The positional shift on the direction that the length direction with cylinder 3,3c intersects relative to connecting elements 30 of helical spring 20.34 energy of recess portion
Enough prevent helical spring 20 and the inner wall 9 of cylinder 3,3c from rubbing and causing helical spring 20 impaired or fracture.Recess portion 34 can make
The active force of helical spring 20 is steadily applied to connecting elements 30 and plunger 10,10b.The spy of this embodiment and its modifications example
Needle 1,1b, 1c have a longer life expectancy.
In the probe 1,1b, 1c of this embodiment and its modifications example, the depth d of recess portion 341It can be helical spring 20
Pitch more than.Therefore, helical spring 20 can will not be stretched repeatedly relative to 30 positional shift of connecting elements, helical spring 20
Contracting.Probe 1,1b, 1c of this embodiment and its modifications example have a longer life expectancy.
In the probe 1,1b, 1c of this embodiment and its modifications example, electric conductivity engagement member 50 can be used by the 4th
End 21 is engaged with second end face 33.Electric conductivity engagement member 50 can be securely and with lower contact resistance by spiral bullet
4th end 21 of spring 20 is engaged with the second end face 33 of connecting elements 30.Electric conductivity engagement member 50 prevents 20 phase of helical spring
For 30 positional shift of connecting elements.Probe 1,1b, 1c of this embodiment and its modifications example have a longer life expectancy.
Embodiment 2.
Referring to Fig. 9 and Figure 10, illustrate the probe 1 of embodiment 2.The probe 1 of present embodiment has and embodiment 1
The identical structure of probe 1, but it is main different in the following areas.
Connecting elements 30 or the first joint element component are with the first end face 32 towards third end 12 and towards the 4th end
The second end face 33 in portion 21.The sub- connecting elements 31 of connecting elements 30 or the first have first end face 32 towards third end 12,
Second end face 33 towards the 4th end 21 and the side 35 for connecting first end face 32 with second end face 33.Second end face 33 has
There is the recess portion 34 of plane and rectangle.The depth of recess portion 34 is twice or more of the pitch of helical spring 20.
The probe 1 of present embodiment also reaches following effect other than the effect of the probe 1 of embodiment 1.In this reality
It applies in the probe 1 of mode, the depth of recess portion 34 is twice or more of the pitch of helical spring 20.Therefore, helical spring 20 will not
It is deviated relative to connecting elements 30 or the first joint element member position, helical spring 20 can stretch repeatedly.Recess portion 34 can be prevented
Only the inner wall 9 of helical spring 20 and cylinder 3 rubs and causes helical spring 20 impaired or fracture.The probe 1 of present embodiment has
There is longer service life.
Embodiment 3.
1 and Figure 12 referring to Fig.1 illustrates the probe 1e of embodiment 3.The probe 1e of present embodiment has and embodiment
The 1 identical structure of probe 1, but it is main different in the following areas.
In the probe 1e of present embodiment, the second end face 33e packet of the sub- connecting elements 31e of connecting elements 30e or first
It includes at least from the internal diameter of helical spring 20 (the second internal diameter r2) on the inside of extend to outer diameter (the first external diameter r of helical spring 203)
Second plane (33e) in outside.It is therefore prevented that when to the inspection terminal depressing plunger 10 of inspected body connecting elements 30e or
First sub- connecting elements 31e enters the inside of helical spring 20.It prevents the friction of inner wall 9 of helical spring 20 and cylinder 3 and causes
Helical spring 20 is impaired or is broken.
In the probe 1e of present embodiment, the sub- connecting elements 31e of connecting elements 30e or first further includes from the second plane
(33e) is prominent and configures the protruding portion 36 in helical spring 20.The diameter r of protruding portion 365Than the internal diameter (of helical spring 20
Two internal diameter r2) small.The inside of the insertion helical spring 20 of protruding portion 36.Helical spring 20 is supported on of connecting elements 30e or first
The protruding portion 36 of connecting elements 31e.Electric conductivity engagement member 50 can be used by helical spring 20 and connecting elements 30e or first
The protruding portion 36 of sub- connecting elements 31e engages.Protruding portion 36 can be helical spring 20 away from the height h of the second plane (33e)
More than pitch P, it is also possible to twice or more of the pitch P of helical spring 20.
Referring to Fig.1 3, more than one pit 37 can also be set on the side of protruding portion 36 35.More than one
In pit 37, a part of the helical spring 20 including the 4th end 21 of helical spring 20 is contained.Including spiral bullet
A part of helical spring 20 including 4th end 21 of spring 20 and more than one being arranged on the side 35 of protruding portion 36
Pit 37 engage.Pit 37 makes the contact surface of connecting elements 30e or first sub- connecting elements 31e and electric conductivity engagement member 50
Product increases, and makes the sub- connecting elements 31e of the connecting elements 30e or first obtained using electric conductivity engagement member 50 and helical spring 20
Between bond strength increase.
The probe 1e of present embodiment reaches effect identical with the probe 1 of embodiment 1, but it is main in the following areas not
Together.
In the probe 1e of present embodiment, the second end face 33e of connecting elements 30e may include at least from helical spring
20 internal diameter (the second internal diameter r2) on the inside of extend to outer diameter (the first external diameter r of helical spring 203) outside the second plane
(33e).It is therefore prevented that connecting elements 30e enters helical spring 20 when to the inspection terminal depressing plunger 10 of inspected body
Inside.It prevents the friction of the inner wall 9 of helical spring 20 and cylinder 3 and causes helical spring 20 impaired or fracture.Present embodiment
Probe 1e has a longer life expectancy.
In the probe 1e of present embodiment, connecting elements 30e can further include prominent from the second plane (33e) and configure
Protruding portion 36 in helical spring 20.The diameter r of protruding portion 365Than internal diameter (the second internal diameter r of helical spring 202) small.Spiral
Spring 20 is supported on the protruding portion 36 of the sub- connecting elements 31e of connecting elements 30e or first.Protruding portion 36 can make helical spring 20
Can on the direction that the length direction of cylinder 3 intersects between helical spring 20 and the inner wall 9 of cylinder 3 formed gap side
Formula is supported on connecting elements 30e.Protruding portion 36 prevents helical spring 20 relative to connecting elements 30e in the length side with cylinder 3
The positional shift on the direction of intersection.Protruding portion 36 can prevent the friction of the inner wall 9 of helical spring 20 and cylinder 3 and lead to spiral
Spring 20 is impaired or is broken.Protruding portion 36 can make the active force of helical spring 20 steadily be applied to connecting elements 30e and column
Plug 10.
It, can be in the more than one pit 37 for the side 35 for being set to protruding portion 36 in the probe 1e of present embodiment
A part of middle receiving helical spring 20.Helical spring 20 can more firmly be supported on connecting elements 30e.Present embodiment
The probe 1e of variation has a longer life expectancy.
Embodiment 4.
4 and Figure 15 referring to Fig.1 illustrates the probe 1f of embodiment 4.The probe 1f of present embodiment has and embodiment
The 1 identical structure of probe 1, but it is main different in the following areas.
The sub- connecting elements 31f of connecting elements 30f or first has first end face 32f towards third end 12 and towards the
The second end face 33f of four ends 21.The sub- connecting elements 31f of connecting elements 30f or first has first towards third end 12
End face 32f, the second end face 33f towards the 4th end 21 and the side 35 for connecting first end face 32f with second end face 33f.
First end face 32f includes the first plane (32f).Second end face 33f includes the second plane (33f).
Second end face 33f is configured to not extend internal diameter (the second internal diameter r of the helical spring 20 at the 4th end 212) and it is outer
Diameter (first external diameter r3).Specifically, the second plane (33f) is at least from the internal diameter of helical spring 20 (the second internal diameter r2) inside
Extend to outer diameter (the first external diameter r of helical spring 203) outside.It is therefore prevented that being pushed to the inspection terminal of inspected body
The sub- connecting elements 31f of connecting elements 30f or first enters the inside of helical spring 20 when plunger 10f.Prevent helical spring 20 with
The inner wall 9 of cylinder 3 rubs and causes helical spring 20 impaired or fracture.
Plunger 10f has the third end 12f of contact jaw sub-portion 11 and the side opposite with contact jaw sub-portion 11.Third end
Portion 12f includes a part of the first spherical surface.Specifically, can be by being machined the head 15f of plunger 10f for spheric
Shape, to form the third end 12f of a part including the first spherical surface.
In the probe 1f of present embodiment, first end face 32f between third end 12f and first end face 32f
One contact portion includes the first plane (32f), and third end 12f first connecing between third end 12f and first end face 32f
Contact portion includes a part of the first spherical surface.Due to the third end 12f point of first end face 32f and a part for including the first spherical surface
Contact, so can substantially reduce the area of the first contact portion between connecting elements 30f and plunger 10f.It therefore, can be substantially
Reduce the torsion that the plunger 10f when plunger 10f is rotated relative to cylinder 3 is applied to helical spring 20 via connecting elements 30f
Power.
6 and Figure 17 referring to Fig.1 illustrates the probe 1g of modified embodiment of the present embodiment.The spy of modified embodiment of the present embodiment
Needle 1g has structure identical with the probe 1f of present embodiment, but main different in the following areas.In the change of present embodiment
In the probe 1g of shape example, plunger 10g is also equipped with the column stopper member 19 engaged with head 15.Column stopper member 19 includes third end
Portion 12f.Third end 12f includes a part of the first spherical surface.Although being not particularly limited, column stopper member 19 be can have
Semi-spherical shape, it is possible to have spherical.Column stopper member 19 can be constituted with conductive material.Column stopper member 19 can with
The identical material in piston body portion 13 is constituted.Electric conductivity engagement member 52 can be used by the flat of column stopper member 19 and head 15
Smooth surface engagement.
8 and Figure 19 referring to Fig.1 illustrates the process for engaging column stopper member 19 with head 15.As shown in figure 18, second
Column stopper member 19 is configured in the recess portion 64 of fixture 63.Second fixture 63, which can be used, not to be engaged with solder (52) and has than plunger
The small thermal expansion coefficient of sub- component 19 and the manufacture of the material of excellent heat resistance.Second fixture 63 can for example use carbon or quartz system
It makes.Then, by soldering paste and the configuration of head 15 in column stopper member 19.Solder grain can also be configured in column stopper member 19
Soldering paste is replaced with scaling powder.Then, solder (52) are heated with the temperature higher than the fusing point of solder (52).As shown in figure 19, make
Column stopper member 19 is engaged with head 15 with solder (52).
Probe 1f, 1g of this embodiment and its modifications example also reach other than the effect of the probe 1 of embodiment 1
Following effect.
In probe 1f, 1g of this embodiment and its modifications example, can be, first end face 32f third end 12f with
The first contact portion between first end face 32f includes the first plane (32f), and third end 12f is in third end 12f and first
The first contact portion between the 32f of end face includes a part of the first spherical surface.Therefore, connecting elements 30f and column can substantially be reduced
Fill in the area of the first contact portion between 10f, 10g.Can substantially it reduce when plunger 10f, 10g are rotated relative to cylinder 3
Plunger 10f, 10g are applied to the twisting resistance of helical spring 20 via connecting elements 30f.The probe of this embodiment and its modifications example
1f, 1g have a longer life expectancy.
In probe 1f, 1g of this embodiment and its modifications example, second end face 33f may include at least from helical spring
20 internal diameter (the second internal diameter r2) on the inside of extend to internal diameter (the second internal diameter r of helical spring 202) outside the second plane
(33f).It is therefore prevented that connecting elements 30f enters helical spring when to inspection terminal depressing plunger 10f, 10g of inspected body
20 inside.It prevents the friction of the inner wall 9 of helical spring 20 and cylinder 3 and causes helical spring 20 impaired or fracture.This embodiment party
Probe 1f, 1g of formula and its variation have a longer life expectancy.
Embodiment 5.
Referring to Figure 20 and Figure 21, illustrate the probe 1h of embodiment 5.The probe 1h of present embodiment has and embodiment
The 1 identical structure of probe 1, but it is main different in the following areas.
The sub- connecting elements 31 of the connecting elements 30 or the first that the probe 1h of present embodiment includes has and embodiment 1
The identical structure of the sub- connecting elements 31 of connecting elements 30 or the first.The first end face of the sub- connecting elements 31 of connecting elements 30 or the first
32 include a part of the first spherical surface.
The plunger 10g that the probe 1h of present embodiment includes has identical with the plunger 10g of the variation of embodiment 4
Structure.The third end 12f of plunger 10g includes a part of the first spherical surface.One of the first spherical surface that third end 12f includes
The a part for the first spherical surface for including with first end face 32 is divided to contact.The a part for the first spherical surface that third end 12f includes
The radius of curvature of a part for the first spherical surface that radius of curvature includes with first end face 32 both may be the same or different.
In the probe 1h of present embodiment, the third end 12f of the first end face 32 of connecting elements 30 and plunger 10g it
Between the first contact portion be a part for the first spherical surface that first end face 32 includes and the second spherical surface that third end 12f includes
Contact portion between a part.Therefore, the area of the first contact portion between the connecting elements 30 and plunger 10g of present embodiment
Area than the first contact portion between the connecting elements 30 and plunger 10g of embodiment 1 reduces about 30%.Can further it subtract
The small plunger 10g when plunger 10g is rotated relative to cylinder 3 is applied to the twisting resistance of helical spring 20 via connecting elements 30.
The probe 1h of present embodiment also reaches following effect other than the effect of the probe 1 of embodiment 1.
In the probe 1h of present embodiment, first end face 32 and third end 12f are in third end 12f and first end face
The first contact portion between 32 includes a part of the first spherical surface.The first contact portion between connecting elements 30 and plunger 10g is
Contact between a part for the first spherical surface that first end face 32 includes and a part of third end 12f the second spherical surface for including
Portion.Therefore, the area of the first contact portion between connecting elements 30 and plunger 10g can substantially be reduced.Can substantially it reduce every
When plunger 10g is rotated relative to cylinder 3, plunger 10g is applied to the twisting resistance of helical spring 20 via connecting elements 30.This reality
The probe 1h for applying mode has a longer life expectancy.
Embodiment 6.
Referring to Figure 22 and Figure 23, illustrate the probe 1i of embodiment 6.The probe 1i of present embodiment has and embodiment
The 1 identical structure of probe 1, but it is main different in the following areas.
The connecting elements 30i that the probe 1i of present embodiment includes includes: the first son connection structure including first end face 32
Part 31i and the second sub- connecting elements 40 including second end face 33i.First sub- connecting elements 31i include first end face 32 and with
The third end face 38 of second sub- 40 point contact of connecting elements.First end face 32 between third end 12 and first end face 32
One contact portion includes a part of the first spherical surface.The a part for the first spherical surface that first end face 32 includes and the third end of plunger 10
12 point contact of portion.Second contact portion packet of the third end face 38 between the first sub- sub- connecting elements 40 of connecting elements 31i and second
Include a part of the second spherical surface.4th end of a part for the second spherical surface that third end face 38 includes and the second sub- connecting elements 40
41 point contact of face.First sub- connecting elements 31i for example can have the shape of ball.First sub- connecting elements 31i is conductive.
First sub- connecting elements 31i can be manufactured with material identical with cylinder 3 and plunger 10.
Second sub- connecting elements 40 can have and the sub- connecting elements 31f phase of the connecting elements 30f of embodiment 4 or first
Same structure.Second end face 33i may include the second plane (33i).Second plane (33i) is at least from the internal diameter of helical spring 20
(the second internal diameter r2) on the inside of extend to outer diameter (the first external diameter r of helical spring 203) outside.Second end face 33i is configured to not
Extend internal diameter (the second internal diameter r of the helical spring 20 at the 4th end 212) and outer diameter (first external diameter r3).It is connect with the first son
4th end face 41 of the sub- connecting elements 40 of the second of component 31i point contact may include plane (41).4th end face 41 and third
A part contact for the second spherical surface that end face 38 includes.Second sub- connecting elements 40 is conductive.Second sub- connecting elements 40
It can be manufactured with material identical with cylinder 3, plunger 10 and the first sub- connecting elements 31i.
In the probe 1i of present embodiment, the first sub- connecting elements 31i and 10 point contact of plunger, and the first son connection structure
Sub- 40 point contact of connecting elements of part 31i and second.First between the first sub- connecting elements 31i and plunger 10 can substantially be reduced
The area of the second contact portion between the area of contact portion and the second sub- connecting elements 40 and the first sub- connecting elements 31i.Therefore,
The plunger 10 when plunger 10 is rotated relative to cylinder 3 can substantially be reduced and via connecting elements 30i be applied to helical spring 20
Twisting resistance.
The probe 1i of present embodiment also reaches following effect other than the effect of the probe 1 of embodiment 1.
In the probe 1i of present embodiment, second end face 33i may include the internal diameter (second at least from helical spring 20
Internal diameter r2) on the inside of extend to outer diameter (the first external diameter r of helical spring 203) outside the second plane (33i).It is therefore prevented that
Connecting elements 30i (the second sub- connecting elements 40) enters helical spring 20 when to the inspection terminal depressing plunger 10 of inspected body
Inside.It prevents the friction of the inner wall 9 of helical spring 20 and cylinder 3 and causes helical spring 20 impaired or fracture.Present embodiment
Probe 1i have a longer life expectancy.
In the probe 1i of present embodiment, connecting elements 30i includes: the first sub- connecting elements including first end face 32
31i and the second sub- connecting elements 40 including second end face 33i.First sub- connecting elements 31i includes: one including the first spherical surface
Partial first end face 32 and the third end face 38 with the second sub- 40 point contact of connecting elements.Third end face 38 is in the first son connection
The second contact portion between the sub- connecting elements 40 of component 31i and second includes a part of the second spherical surface.Therefore, can substantially subtract
The area of the first contact portion between small first sub- connecting elements 31i and plunger 10 and the second sub- connecting elements 40 and the first son are even
The area of the second contact portion between connection member 31i.The plunger 10 when plunger 10 is rotated relative to cylinder 3 can substantially be reduced
The twisting resistance of helical spring 20 is applied to via connecting elements 30i.The probe 1i of present embodiment has a longer life expectancy.
Embodiment 7.
Referring to Figure 24 and Figure 25, illustrate the probe 1j of embodiment 7.The probe 1j of present embodiment has and embodiment
The 1 identical structure of probe 1, but it is main different in the following areas.
The plunger 10g that the probe 1j of present embodiment includes has identical with the plunger 10g of the variation of embodiment 4
Structure.The third end 12f of plunger 10g includes a part of the first spherical surface.One of the first spherical surface that third end 12f includes
The a part for the first spherical surface for including with the first end face 32 of connecting elements 30i (the first sub- connecting elements 31i) is divided to contact.Third
The song of a part for the first spherical surface that the radius of curvature and first end face 32 of a part for the first spherical surface that end 12f includes include
Rate radius both may be the same or different.
The connecting elements 30i that the probe 1j of present embodiment includes has identical with the connecting elements 30i of embodiment 6
Structure.Connecting elements 30i includes: the first sub- connecting elements 31i including first end face 32 and second including second end face 33
Sub- connecting elements 40j.First sub- connecting elements 31i include first end face 32 and with the second sub- connecting elements 40j point contact
Three end faces 38.First contact portion of the first end face 32 between third end 12f and first end face 32 includes the one of the first spherical surface
Part.The a part for the first spherical surface that first end face 32 includes and a part point of third end 12f the first spherical surface for including connect
Touching.Second contact portion of the third end face 38 between the first sub- sub- connecting elements 40j of connecting elements 31i and second includes the second ball
The a part in face.The third spherical surface that a part for the second spherical surface that third end face 38 includes and the second sub- connecting elements 40j include
A part of point contact.First sub- connecting elements 31i for example can have the shape of ball.First sub- connecting elements 31i, which has, to be led
Electrically.First sub- connecting elements 31i can be manufactured with material identical with cylinder 3 and plunger 10g.
Second sub- connecting elements 40j can have and sub- 31 phase of connecting elements of the connecting elements 30 or the first of embodiment 1
Same structure.Second sub- connecting elements 40j has with the 4th end face 41j of the first sub- connecting elements 31i point contact, towards spiral
The second end face 33 of 4th end 21 of spring 20 and the side 35 for connecting the 4th end face 41j with second end face 33.Second son
The 4th end face 41j of connecting elements 40j second contacting between the first sub- connecting elements 31i and the second sub- connecting elements 40j
Portion includes a part of third spherical surface.A part of the third spherical surface that 4th end face 41j includes and third end face 38 include the
A part contact of two spherical surfaces.Second sub- connecting elements 40j is conductive.Second sub- connecting elements 40j can be used and cylinder
3, the identical material manufacture of the sub- connecting elements 31i of plunger 10g and first.
In the probe 1j of present embodiment, the first sub- connecting elements 31i and plunger 10g point contact, and the first son connection
The sub- connecting elements 40j point contact of component 31i and second.Therefore, the first sub- connecting elements 31i and plunger 10g can substantially be reduced
Between the first contact portion area and the second sub- sub- connecting elements 31i of connecting elements 40j and first between the second contact portion
Area.The plunger 10g when plunger 10g is rotated relative to cylinder 3 can substantially be reduced and via connecting elements 30i be applied to spiral shell
Revolve the twisting resistance of spring 20.
Second sub- connecting elements 40j has the first external diameter r than helical spring 203Greatly and than the first internal diameter r of cylinder 31It is small
Second external diameter r4.It is not particularly limited along the length L of the side 35 of the length direction of cylinder 3, it can be than the first of cylinder 3
Internal diameter r1Greatly.
Second end face 33 can be the curved surface (33) of recess.Second end face 33 may include accommodate helical spring 20 the 4
The recess portion 34 of end 21.Recess portion 34 can be the curved surface of recess.Recess portion 34 can be a part of spherical surface.The depth d of recess portion 341
It is more than the pitch P that can be helical spring 20.In the present embodiment, the depth d of recess portion 341With the pitch P of helical spring 20
It is equal.
The probe 1j of present embodiment also reaches following effect other than the effect of the probe 1 of embodiment 1.
In the probe 1j of present embodiment, first end face 32 and third end 12f are in third end 12f and first end face
The first contact portion between 32 includes a part of the first spherical surface.The first contact portion between connecting elements 30i and plunger 10g is
Contact between a part for the first spherical surface that first end face 32 includes and a part of third end 12f the second spherical surface for including
Portion.Therefore, the area of the first contact portion between connecting elements 30i and plunger 10g can substantially be reduced.Can substantially it reduce every
When plunger 10g is rotated relative to cylinder 3, plunger 10g is applied to the twisting resistance of helical spring 20 via connecting elements 30i.This reality
The probe 1j for applying mode has a longer life expectancy.
In the probe 1j of present embodiment, connecting elements 30i includes: the first sub- connecting elements including first end face 32
31i and the second sub- connecting elements 40j including second end face 33.First sub- connecting elements 31i includes: one including the first spherical surface
Partial first end face 32 and the third end face 38 with the second sub- connecting elements 40j point contact.Third end face 38 connects in the first son
The second contact portion between the sub- connecting elements 40j of connection member 31i and second includes a part of the second spherical surface.Therefore, Neng Gou great
Width reduces the area of the second contact portion between the first sub- sub- connecting elements 40j of connecting elements 31i and second.Can substantially it reduce
Plunger 10g is applied to the twisting resistance of helical spring 20 via connecting elements 30i when plunger 10g is rotated relative to cylinder 3.This
The probe 1j of embodiment has a longer life expectancy.
In the probe 1j of present embodiment, the second sub- connecting elements 40j includes the third with the first sub- connecting elements 31i
A part of the third spherical surface of a part contact for the second spherical surface that end face 38 includes.Of first sub- connecting elements 31i and second
The second contact portion between connecting elements 40j is a part and the second son for the second spherical surface that the first sub- connecting elements 31i includes
Contact portion between a part for the third spherical surface that connecting elements 40j includes.Therefore, the first sub- connecting elements can substantially be reduced
The area of the second contact portion between the sub- connecting elements 40j of 31i and second.Can substantially it reduce whenever plunger 10g is relative to cylinder
Plunger 10g is applied to the twisting resistance of helical spring 20 via connecting elements 30i when body 3 rotates.The probe 1j of present embodiment has
There is longer service life.
It is believed that: this time disclosed embodiment 1-7 and their variation be in all aspects illustrate without
It is restrictive.It, can be by least two in embodiment 1-7 of disclosure and their variation as long as no contradiction
Combination.The scope of the present invention is not by above description but is shown by the scope of the claims, it is intended that including with claim
All changes in the range equivalent meaning and range.
The explanation of appended drawing reference
1,1b, 1c, 1e, 1f, 1g, 1h, 1i, 1j probe, 3,3c cylinder, 4 first openings, 5 first ends, 6 the second ends,
7, the first protrusion 7c, 8 second protrusions, 9 inner walls, 10,10b, 10f, 10g plunger, 11 contact jaw sub-portions, 12,12f third end,
13,13b piston body portion, 14 necks, 15, the head 15f, 16 first helicla flutes, 17 second helicla flutes, the plate of 18 torsions, 19
Column stopper member, 20 helical springs, 21 the 4th ends, 30,30e, 30f, 30i, 30j connecting elements, 31,31e, 31f, 31i,
The sub- connecting elements of 31j first, 32,32f, 32j first end face, 33,33e, 33f, 33i second end face, 34 recess portions, 35 sides, 36
Protruding portion, 38 third end faces, 40, the sub- connecting elements of 40j second, 41, the 4th end face 41j, 50,52 electric conductivity engagement members, 60
First fixture, 61,64 recess portions, 63 second fixtures.
Claims (13)
1. a kind of probe, wherein the probe has:
Cylinder, the cylinder have the second end of first end and the side opposite with the first end, the first end
Portion has opening；And
Plunger, the plunger have a third end of contact jaw sub-portion and the side opposite with the contact jaw sub-portion, and described the
Three ends are contained in the cylinder, and the contact jaw sub-portion is exposed from the first end, and the plunger is configured to one
While moved on the length direction of the cylinder on one side relative to cylinder rotation,
The probe is also equipped with the helical spring to exert a force towards the first end to the plunger, and the helical spring is configured at
Between the second end and the third end, the helical spring has the 4th end of the third end side,
The probe is also equipped with the connecting elements for connecting the third end with the 4th end,
The connecting elements has the first end face towards the third end and the second end face towards the 4th end,
The first end face and third end point contact,
At least one of the third end and the first end face are between the third end and the first end face
First contact portion includes a part of the first spherical surface,
The second end face is configured to not extend the internal diameter and outer diameter of the helical spring of the 4th end.
2. probe according to claim 1, wherein
The first end face in described a part that first contact portion includes first spherical surface,
The third end includes the first plane in first contact portion.
3. probe according to claim 1, wherein
The first end face includes the first plane in first contact portion,
The third end is in described a part that first contact portion includes first spherical surface.
4. probe according to claim 1, wherein
The first end face and the third end are in described a part that first contact portion includes first spherical surface.
5. according to claim 2 or probe as claimed in claim 4, wherein
The connecting elements includes: the first sub- connecting elements including the first end face and second including the second end face
Sub- connecting elements,
The first sub- connecting elements include: described a part including first spherical surface the first end face and with it is described
The third end face of second sub- connecting elements point contact,
Second contact portion of the third end face between the described first sub- connecting elements and the second sub- connecting elements include
A part of second spherical surface.
6. probe according to claim 5, wherein
The second sub- connecting elements includes a part of the third spherical surface contacted with described a part of second spherical surface.
7. according to claim 1 to the probe described in any one of claim 6, wherein
The second end face includes the recess portion for accommodating the 4th end of the helical spring.
8. probe according to claim 7, wherein
The depth of the recess portion is the pitch of the helical spring or more.
9. probe according to claim 7, wherein
The depth of the recess portion is twice or more of the pitch of the helical spring.
10. according to claim 1 to the probe described in any one of claim 6, wherein
The second end face includes that second plane in the outside of the outer diameter is at least extended on the inside of the internal diameter.
11. probe according to claim 10, wherein
The connecting elements further includes from the second plane protrusion and configuring the protruding portion in the helical spring,
The diameter of the protruding portion is smaller than the internal diameter of the helical spring.
12. probe according to claim 11, wherein
A part of the helical spring is contained in the more than one pit on the side that the protruding portion is arranged in.
13. according to claim 1 to the probe described in any one of claim 12, wherein will using electric conductivity engagement member
4th end is engaged with the second end face.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016238202 | 2016-12-08 | ||
| JP2016-238202 | 2016-12-08 | ||
| PCT/JP2017/042592 WO2018105444A1 (en) | 2016-12-08 | 2017-11-28 | Probe pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110036299A true CN110036299A (en) | 2019-07-19 |
Family
ID=62491963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780069227.3A Pending CN110036299A (en) | 2016-12-08 | 2017-11-28 | Probe |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2018105444A1 (en) |
| CN (1) | CN110036299A (en) |
| WO (1) | WO2018105444A1 (en) |
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| JPS62146967U (en) * | 1985-11-15 | 1987-09-17 | ||
| DE3715171A1 (en) * | 1986-05-12 | 1987-11-19 | Feinmetall Gmbh | Spring contact pin |
| JPH02278161A (en) * | 1989-04-19 | 1990-11-14 | Fujitsu Ltd | Measuring contact probe |
| JPH03113375A (en) * | 1989-09-28 | 1991-05-14 | Nec Kyushu Ltd | Probe |
| JPH03112939U (en) * | 1990-03-05 | 1991-11-19 | ||
| JPH10282141A (en) * | 1997-01-31 | 1998-10-23 | Everett Charles Technol Inc | Spring probe assembly body |
| JP2002202323A (en) * | 2000-12-28 | 2002-07-19 | Fujikura Ltd | Probe pin, connector using the same and prober |
| CN1573338A (en) * | 2003-06-09 | 2005-02-02 | 阿尔卑斯电气株式会社 | Contact probe, probe socket, electrical characteristic measuring device, and method for pushing the contact probe against object to be measured |
| KR20090093738A (en) * | 2008-02-29 | 2009-09-02 | 리노공업주식회사 | Contact probe |
| EP2144338A1 (en) * | 2008-07-11 | 2010-01-13 | Tyco Electronics Nederland B.V. | Coaxial probe |
| JP2014534571A (en) * | 2011-10-12 | 2014-12-18 | アップル インコーポレイテッド | Spring contact |
| CN203037688U (en) * | 2013-01-07 | 2013-07-03 | 中国探针股份有限公司 | Concentric detection pin |
| JP2015004518A (en) * | 2013-06-19 | 2015-01-08 | 大西電子株式会社 | Inspection jig |
| JP2016125903A (en) * | 2014-12-26 | 2016-07-11 | インクス株式会社 | Contact probe |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018105444A1 (en) | 2018-06-14 |
| JPWO2018105444A1 (en) | 2019-07-25 |
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Application publication date: 20190719 |