CN102570115B - Socket conductor and socket system - Google Patents
Socket conductor and socket system Download PDFInfo
- Publication number
- CN102570115B CN102570115B CN201210047857.XA CN201210047857A CN102570115B CN 102570115 B CN102570115 B CN 102570115B CN 201210047857 A CN201210047857 A CN 201210047857A CN 102570115 B CN102570115 B CN 102570115B
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- Prior art keywords
- spring
- unit ring
- ring
- around
- socket
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004020 conductor Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 31
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The embodiment of the invention discloses a socket conductor and a socket system. The socket conductor comprises a socket body, an inclined oval two-way spiral spring contact finger, a single-line spring and an offset-line spring, wherein the inclined oval two-way spiral spring contact finger is spirally surrounded into a unit ring by a spring wire along an inclined oval track, the unit ring is in two-way spiral wounding along the axial line, the inclined oval two-way spiral spring contact finger is sheathed on the single-line spring and is embedded into a groove of the offset-line spring in an adapting way, the inner circumference of the spring contact finger forms an insertion hole, and the offset-line spring is arranged in a socket body hole. When a plug is inserted into the socket conductor, the inner wall of the inclined oval two-way spiral spring contact finger is extruded by the plug to deform, the inclined oval deformation of the unit ring is gradually generated in the spiral axial direction in the insertion process, the contact points and the contact paths of the plug and the socket conductor are increased, on the basis, the stress deformation degree becomes lenitive, the contact is more reliable, and the contact impedance is more stable.
Description
Technical field
The present invention relates to female component technical field, more particularly, relate to a kind of socket conductors and jack system.
Background technology
Socket conductors is the parts that jack is provided for plug on socket, its socket plug insert in socket with socket in conductive part, as contacting to realize, oblique double laminated spring conducts, take supply socket used in Moveable type vehicle as example, described socket conductors can arrange multiple many electrical equipment multiconductor connection needs that meet in same socket.
In the process contacting with socket at plug, plug frequently inserts and extracts after use, easily causes contact position conductor part (as oblique double laminated spring) to damage, and not according to normal deformation contact plug, and cause loose contact and contact impedance to become large problem.
Summary of the invention
In view of this, the invention provides a kind of socket conductors and jack system, be inserted in the spring touch finger in single line spring to realize improving in socket conductors, be fixed with inclined to one side wire spring, in the time that plug plugs, evenly relax distortion, improve the contact performance of plug and socket, and reduce contact impedance.
A kind of socket conductors, comprising: jack body, oblique oval bidirectional screw spring touch finger, single line spring and inclined to one side wire spring, wherein:
Described oblique oval bidirectional screw spring touch finger is unit ring by spring wire along oblique elliptical orbit spiral surrounding, and described unit ring is along the coiling of axis bidirectional screw;
Described oblique oval bidirectional screw spring touch finger is enclosed within on described single line spring, and adapts to embed in the groove of inclined to one side wire spring;
In described spring touch finger, enclose formation jack, described inclined to one side wire spring is installed in described jack body hole;
Described unit ring when along oblique elliptical orbit spiral surrounding outside the unit's of formation ring around in point, unit ring first around in point, unit ring second around point, wherein:
Outer interior around point around to described unit ring second around point around the described unit of process ring in described unit ring first;
In all units ring first on described unit ring, around upper in unit ring inner ring circle around point in point and unit ring second, form in described oblique oval bidirectional screw spring touch finger and enclose;
All units ring on described unit ring is outer upper in unit ring outer ring circle around point, forms described oblique oval bidirectional screw spring touch finger periphery;
Described axis respectively with described unit ring outer around in point, unit ring first around in point, unit ring second around forming the first plane, the second plane and the 3rd plane;
Described the first plane and described second interplanar the first angle are greater than the second plane and the 3rd interplanar the second angle.
In order to improve such scheme, described socket conductors also comprises: protecting cover, and described protecting cover is loop configuration, is provided with annular knurl on external diameter, described knurling structure and described jack body internal diameter interference fit, riveting is on described inclined to one side wire spring.
A kind of jack system, comprising: the socket conductors described in claim 1, and, the plug adapting with described socket conductors.
Can find out from above-mentioned technical scheme, socket conductors in the embodiment of the present invention, take body as carrier, oblique oval bidirectional screw spring touch finger is fixed by single line spring and is adapted to embed in inclined to one side wire spring groove, in plug inserts described socket conductors time, described oblique bidirectional screw spring touch finger inwall is subject to the extruding of plug and is out of shape, in the process of inserting and along helical axis to the deformation of oblique ellipse that unit ring progressively occurs, increasing plug and socket conductors contact point and contacting on path and basis, contact more reliable, stress deformation degree more relaxes, thereby improve the technical problem of loose contact in prior art, and then guarantee the stable of contact impedance.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the perspective view of the disclosed a kind of socket conductors of the embodiment of the present invention;
Fig. 2 is the disclosed a kind of socket conductors profile of the embodiment of the present invention;
Fig. 3 a is the disclosed a kind of socket conductors inner spring fixed structure schematic diagram of the embodiment of the present invention;
Fig. 3 b is the disclosed a kind of socket conductors inner spring fixed structure vertical view of the embodiment of the present invention;
Fig. 3 c is oblique oval bidirectional screw spring touch finger the first helical trajectory schematic diagram in the disclosed a kind of socket conductors of the embodiment of the present invention;
Fig. 3 d is oblique oval bidirectional screw spring touch finger the second helical trajectory schematic diagram in the disclosed a kind of socket conductors of the embodiment of the present invention;
Fig. 4 is cover-protecting structure schematic diagram in the disclosed a kind of socket conductors of the embodiment of the present invention;
Fig. 5 is the disclosed a kind of jack system of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention carry out clear,
Intactly describe, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of socket conductors and jack system, be inserted in the spring touch finger in single line spring to realize improving in socket conductors, be fixed with inclined to one side wire spring, in the time that plug plugs, evenly relax distortion, improve the contact performance of plug and socket, and reduce contact impedance.
Fig. 1 shows a kind of socket conductors, describes in conjunction with Fig. 2, Fig. 3 and Fig. 4:
Described socket conductors comprises: jack body 1, oblique oval bidirectional screw spring touch finger 6, single line spring 8 and partially wire spring 7(as Fig. 3 a), wherein:
Described oblique oval bidirectional screw spring touch finger 6 by spring wire along oblique elliptical orbit spiral surrounding be the ring 61(of unit as shown in Figure 3 c), described unit ring 61 is along axis 63 bidirectional screw coilings, the first helical trajectory that described oblique elliptical orbit 61 is followed for described spring wire; Shown in Fig. 3 d, described helix 62 is the two-way track of oblique ellipse, is the second helical trajectory that spring wire is followed, and axis 63 is the axis of helix 62.
Described oblique oval bidirectional screw spring touch finger 6 is enclosed within on described single line spring 8, and adapts to embed in the groove of inclined to one side wire spring 7;
In described oblique oval bidirectional screw spring touch finger, enclose shown in 15 formation jack 10(Fig. 3 b), described inclined to one side wire spring is installed in described jack body hole, and described oblique oval bidirectional screw spring touch finger peripheral 9 contacts (as shown in Figure 2) with the inwall 11 of described jack body.
The oblique oval bidirectional screw spring touch finger 6 of the interior device of described jack body 1 mesopore 2; Hole 3 is pin head high-voltage insulation cap rest area; Hole 4 is cable bonding pad; It is shown in Figure 5 that sheath 5 is fixed on socket plastic cement insulation crust 18();
It should be noted that, shown in Fig. 3 b:
Unit ring outer around in point 66, unit ring first around in point 67, unit ring second around point 68, wherein: in all units ring first, around upper in unit ring 1 inner ring circle around point 68 in point 67 and unit ring second, form in described oblique oval bidirectional screw spring touch finger and enclose 15; All unit rings are outer upper in unit ring 61 outer ring circles around point 66, form described oblique oval bidirectional screw spring touch finger periphery 9.
Namely: the spring wire on described unit ring 61 on the first helical trajectory by unit ring first around point 67 around to unit ring outside around put 66, at unit ring itself when spiral surrounding forms oblique oval form, with described axis 63 along described helix 62 spirals;
Wherein: in described axis 63 and unit ring first, form the second plane 69 around point 67, axis 63 and unit ring are outer forms the first plane 611 around point 66; Spring wire on unit ring 61 is again by interior around point 68 around to unit ring second around point 66 outside unit ring, and the while, axis 63 and unit ring second were interior around point 68 formation the 3rd planes 610 with axis 63 along helix 62 spirals;
The first angle 64 is the angle of the second plane 69 and the first plane 611, the second angle 65 is the angle of the second plane 69 and the 3rd plane 610, and in unit ring, the first angle 64 is greater than the second angle 65 and guarantees that spring wire is oblique at the spiral of each unit ring in the process of detouring.
The tangent plane of the diagonal ellipse of described unit ring 61 is parallel with described axis 63.Described unit ring 61 the tangent plane forming along the first helical trajectory spiral surrounding be ellipse parallel to the axis 63 be oval 23 major axis, perpendicular to axis 63 is oval minor axis.
Fig. 4 shows protecting cover 13, and described protecting cover 12 is loop configuration, is provided with annular knurl 13 on external diameter, described annular knurl 13 structures and described jack body 1 internal diameter interference fit, and riveting is on described inclined to one side wire spring 7.
Protecting cover 12 with annular knurl 13, inwall 11 interference fit of the external diameter with annular knurl 13 and jack body 1 mesopore 2, riveting prevents that on jack body 1 oblique oval bidirectional screw spring touch finger 6 is shifted in the time that plug plugs.
The strain of described oblique oval bidirectional screw spring touch finger 6 each ring is along with the insertion of plug conductors and extracts and occur gradually and produce stress deformation; The stressed increase gradually of insertion of its spring touch finger, extracting stressed is to reduce gradually, can effectively improve the mitigation degree of the contact of plug and socket conductor inwall, thereby has guaranteed the reliability of contact.Make electric current in transmittance process, reach multiconductor contact, effectively improve the durability in contact use, thereby reduce contact impedance.
Oblique oval bidirectional screw spring touch finger 6 can one-shot forming, and head and the tail welding, reduces and have the manufacturing cost of bringing due to the reliable welding of need, has improved the economy of socket conductors.
Described single line spring 8 is shaped in described oblique oval bidirectional screw spring touch finger 6, and adapt with inclined to one side wire spring 7, coordinate the protecting cover 12 with annular knurl 13, not only the installation method of spring touch finger is ingenious, and can effectively prevent that spring touch finger 6 from departing from socket conductors in plug plug process.
Parts in described socket conductors can be manufactured by any elastic conducting material, after its electroplating surface (gold, silver, nickel), realize smooth layer.
Fig. 5 shows a kind of jack system, clear for what illustrate, describes as an example of single core socket example, and Fig. 5 shows the blast structure of single core socket:
Standard cable clamp PG 17 and be socketed single-core cable 16 with the insulation fixed cover 18 of intermediate step, stripping Xu single-core cable 16 end crusts, exposing copper conductor inserts in the hole 4 of jack body 1 of described socket conductors 14, the outer wall in riveting hole 4, single-core cable 16 is connected at 21 places with socket conductors 14, the jack body 1 of stube cable 16 is positioned in socket insulator 19 holes, rotating insulated protective sleeve 18, and on the fixed cover 18 that makes to insulate, screw thread 22 is connected with screw thread 20 on socket insulator 19; Rotation standard cable clamp PG 17, makes on standard cable clamp PG 17 screw thread 24 on screw thread 23 and the fixed cover 18 that insulate be connected; Thereby form jack system with the plug that described socket conductors 1 adapts to.
Described jack system is single core form, and the energising interface being used in conjunction with as single jack, certain described single core form can be carried out the expansion of multicore aspect, realizes many jack energisings and many electrical equipment scene to use, and is not limited to this list core form; Described jack system is particularly suitable for as Moveable type vehicle, and as the socket conductors of the supply socket of electric automobile is used, application scenarios is not limited to this certainly.
In sum:
Socket conductors in the embodiment of the present invention, take body as carrier, oblique oval bidirectional screw spring touch finger is fixed by single line spring and is adapted to embed in inclined to one side wire spring groove, in plug inserts described socket conductors time, described oblique bidirectional screw spring touch finger inwall is subject to the extruding of plug and is out of shape, in the process of inserting and along helical axis to the deformation of oblique ellipse that unit ring progressively occurs, increasing plug and socket conductors contact point and contacting on path and basis, contact more reliable, stress deformation degree more relaxes, thereby improve the technical problem of loose contact in prior art, and then guarantee the stable of contact impedance.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the case of not departing from the spirit or scope of the embodiment of the present invention, realize in other embodiments.Therefore, the embodiment of the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. a socket conductors, is characterized in that, comprising: jack body, oblique oval bidirectional screw spring touch finger, single line spring and inclined to one side wire spring, wherein:
Described oblique oval bidirectional screw spring touch finger is unit ring by spring wire along oblique elliptical orbit spiral surrounding, and described unit ring is along the coiling of axis bidirectional screw;
Described oblique oval bidirectional screw spring touch finger is enclosed within on described single line spring, and adapts to embed in the groove of inclined to one side wire spring;
In described spring touch finger, enclose formation jack, described inclined to one side wire spring is installed in described jack body hole;
Described unit ring when along oblique elliptical orbit spiral surrounding outside the unit's of formation ring around in point, unit ring first around in point, unit ring second around point, wherein:
Outer interior around point around to described unit ring second around point around the described unit of process ring in described unit ring first;
In all units ring first on described unit ring, around upper in unit ring inner ring circle around point in point and unit ring second, form in described oblique oval bidirectional screw spring touch finger and enclose;
All units ring on described unit ring is outer upper in unit ring outer ring circle around point, forms described oblique oval bidirectional screw spring touch finger periphery;
Described axis respectively with described unit ring outer around in point, unit ring first around in point, unit ring second around forming the first plane, the second plane and the 3rd plane;
Described the first plane and described second interplanar the first angle are greater than the second plane and the 3rd interplanar the second angle.
2. socket conductors as claimed in claim 1, is characterized in that, also comprises: protecting cover, and described protecting cover is loop configuration, is provided with annular knurl on external diameter, described knurling structure and described jack body internal diameter interference fit, riveting is on described inclined to one side wire spring.
3. a jack system, is characterized in that, comprising: the socket conductors described in claim 1, and, the plug adapting with described socket conductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210047857.XA CN102570115B (en) | 2012-02-28 | 2012-02-28 | Socket conductor and socket system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210047857.XA CN102570115B (en) | 2012-02-28 | 2012-02-28 | Socket conductor and socket system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102570115A CN102570115A (en) | 2012-07-11 |
| CN102570115B true CN102570115B (en) | 2014-05-21 |
Family
ID=46414917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210047857.XA Expired - Fee Related CN102570115B (en) | 2012-02-28 | 2012-02-28 | Socket conductor and socket system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102570115B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013217448A1 (en) * | 2013-09-02 | 2015-03-05 | Böllhoff Verbindungstechnik GmbH | Connection insert and an embedding method and a manufacturing method thereof |
| CN106505324B (en) * | 2016-11-02 | 2018-11-20 | 四川瑞可达连接系统有限公司 | A kind of contact element and preparation method thereof |
| CN106785576A (en) * | 2016-12-21 | 2017-05-31 | 苏州华旃航天电器有限公司 | A kind of electric connector with jack contact |
| CN106848685A (en) * | 2016-12-21 | 2017-06-13 | 苏州华旃航天电器有限公司 | A kind of electric contact piece with elastic contact element |
| CN106785550A (en) * | 2016-12-21 | 2017-05-31 | 苏州华旃航天电器有限公司 | Electric connector with contact pin contacting piece |
| CN106848681A (en) * | 2016-12-21 | 2017-06-13 | 苏州华旃航天电器有限公司 | Electric contact piece with elastic contact element |
| CN106935998A (en) * | 2016-12-21 | 2017-07-07 | 苏州华旃航天电器有限公司 | A kind of contact with spiral elasticity contact element of built-in liquid cooling medium |
| CN106848686A (en) * | 2016-12-21 | 2017-06-13 | 苏州华旃航天电器有限公司 | Elastic double helix Wound-rotor type contact element is built-in with the electric contact piece of liquid cooling medium |
| CN106848678A (en) * | 2016-12-21 | 2017-06-13 | 苏州华旃航天电器有限公司 | A kind of electric connector of jack contact with elastic contact element |
| CN106785551A (en) * | 2016-12-21 | 2017-05-31 | 苏州华旃航天电器有限公司 | A kind of electric contact piece with elastic contact element of built-in liquid cooling medium |
| CN106848675A (en) * | 2016-12-21 | 2017-06-13 | 苏州华旃航天电器有限公司 | Electric connector with jack contact |
| CN107069277A (en) * | 2016-12-21 | 2017-08-18 | 苏州华旃航天电器有限公司 | A kind of elastic contact element of built-in liquid cooling medium is the electric contact piece of helical structure |
| CN106785568A (en) * | 2016-12-21 | 2017-05-31 | 苏州华旃航天电器有限公司 | A kind of elastic Wound-rotor type contact element is built-in with the electric contact piece of liquid cooling medium |
| CN106848684A (en) * | 2016-12-21 | 2017-06-13 | 苏州华旃航天电器有限公司 | A kind of electric contact piece with elastic double helix Wound-rotor type contact element |
| CN106848687A (en) * | 2016-12-21 | 2017-06-13 | 苏州华旃航天电器有限公司 | A kind of spiral electric connector between plate |
| CN106848676A (en) * | 2016-12-21 | 2017-06-13 | 苏州华旃航天电器有限公司 | A kind of jack contact has the electric connector of elastic contact element |
| CN107069269A (en) * | 2016-12-21 | 2017-08-18 | 苏州华旃航天电器有限公司 | A kind of electric connector with contact pin contacting piece |
| CN106785565A (en) * | 2016-12-21 | 2017-05-31 | 苏州华旃航天电器有限公司 | Electric connector with contact pin contacting piece |
| CN107069292A (en) * | 2016-12-21 | 2017-08-18 | 苏州华旃航天电器有限公司 | A kind of electric contact piece |
| CN107069290A (en) * | 2016-12-21 | 2017-08-18 | 苏州华旃航天电器有限公司 | Electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact |
| CN106785575A (en) * | 2016-12-21 | 2017-05-31 | 苏州华旃航天电器有限公司 | A kind of elastic contact element is the electric contact piece of helical structure |
| CN106684608A (en) * | 2016-12-21 | 2017-05-17 | 苏州华旃航天电器有限公司 | Electrical contact with a spiral resilient contact element |
| CN106785573A (en) * | 2016-12-21 | 2017-05-31 | 苏州华旃航天电器有限公司 | Electric contact piece with elastic contact element |
| CN106848677A (en) * | 2016-12-21 | 2017-06-13 | 苏州华旃航天电器有限公司 | A kind of electric connector with jack contact |
| CN108023200A (en) * | 2017-12-15 | 2018-05-11 | 上海航天科工电器研究院有限公司 | A kind of micro- spring socket electrical contact component |
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| US4033654A (en) * | 1976-07-29 | 1977-07-05 | Automation Industries, Inc. | Electrical connector |
| SU1086487A1 (en) * | 1980-08-15 | 1984-04-15 | Fesik Valentin N | Contact pair |
| CN202662864U (en) * | 2012-02-28 | 2013-01-09 | 深圳市簧中簧电子有限公司 | Socket conductor and socket system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7429199B2 (en) * | 2005-08-12 | 2008-09-30 | Burgess James P | Low resistance, low insertion force electrical connector |
| JP2008176965A (en) * | 2007-01-17 | 2008-07-31 | Auto Network Gijutsu Kenkyusho:Kk | Electrical connection parts and connector terminals |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4033654A (en) * | 1976-07-29 | 1977-07-05 | Automation Industries, Inc. | Electrical connector |
| SU1086487A1 (en) * | 1980-08-15 | 1984-04-15 | Fesik Valentin N | Contact pair |
| CN202662864U (en) * | 2012-02-28 | 2013-01-09 | 深圳市簧中簧电子有限公司 | Socket conductor and socket system |
Non-Patent Citations (1)
| Title |
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| JP特开2008-176965A 2008.07.31 |
Also Published As
| Publication number | Publication date |
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| CN102570115A (en) | 2012-07-11 |
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