CN106953187A - A kind of contact with spiral elasticity contact element - Google Patents

A kind of contact with spiral elasticity contact element Download PDF

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Publication number
CN106953187A
CN106953187A CN201611190842.3A CN201611190842A CN106953187A CN 106953187 A CN106953187 A CN 106953187A CN 201611190842 A CN201611190842 A CN 201611190842A CN 106953187 A CN106953187 A CN 106953187A
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CN
China
Prior art keywords
conductor
contact element
contact
electric
line style
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Pending
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CN201611190842.3A
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Chinese (zh)
Inventor
陈永生
董宝廷
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Suzhou Huayang Aerospace Electric Co Ltd
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Suzhou Huayang Aerospace Electric Co Ltd
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Priority to CN201611190842.3A priority Critical patent/CN106953187A/en
Publication of CN106953187A publication Critical patent/CN106953187A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/17Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members

Abstract

The invention discloses a kind of contact with spiral elasticity contact element, it is characterised in that including:Several line style electric-conductors;Each line style electric-conductor is corrugated;Line style electric-conductor forms multi-contact elastomeric contact element, helical trajectory line formation spiral elasticity contact element of the multi-contact elastomeric contact element along setting after interlacing;Wherein, the external envelope face of the crest formation multi-contact elastomeric contact element of each line style electric-conductor, the interior enveloping surface of the trough formation multi-contact elastomeric contact element of each line style electric-conductor.The contact with spiral elasticity contact element that the present invention is provided, its frame mode is stable, it is ensured that contact reliability, temperature rise are low, higher service life demand electrical connection.

Description

A kind of contact with spiral elasticity contact element
Technical field
The invention belongs to technical field of electric connectors, and in particular to a kind of contact with spiral elasticity contact element.
Background technology
In electrical connectors, the contact area between the contact pin and jack in connector is the important of one contact of measurement Index, is especially operated in the connector under high current.In the prior art, typically all connect using many fingertips of single-wire helix spring Get an electric shock and connect, the publication retrieved includes:CN102427180A, CN102522647A, CN102570115B, CN102810782B, is described as follows respectively:
Publication No. CN102427180A patent application document discloses a kind of spring touch finger, socket and jack system, wherein, Spring touch finger refers to including oblique double laminated spring, and first angle 4 is the angle of the second plane 9 and the first plane 11, and second angle 5 is First angle 4 is more than second angle 5 in the angle of second plane 9 and the 3rd plane 10, unit ring, it is ensured that spring wire was detouring Spiral in journey in each unit ring is oblique, is specifically shown in Figure 11.
Publication No. CN102522647A patent application document discloses spring-ring type inserting hole and its contact pin, discloses structure Helical spring 5 into spiral elastic ring is oblique spring, and the helical angle size of spiral elastic ring is in cyclically-varying, wherein side bullet Top rake F between projection line and spiral elastic ring shaft section of the spring line in level is 15 degree to 45 degree, opposite side spring wire The top rake B between projection line and spiral elastic ring shaft section in level is 5 degree to 25 degree, and top rake F is more than top rake B.The top rake of spiral elastic ring and back rake angle can will according to the different differences patched for spiral elastic ring radical elasticity Ask and selected, be specifically shown in Figure 13(a)And Figure 13(b).
Notification number discloses a kind of socket conductors and jack system for CN102570115B patent document, wherein, it is two-way Helical spring refers to 61, and first angle 64 is the angle of the second plane 69 and the first plane 611, and second angle 65 is the second plane 69 With the angle of the 3rd plane 610, first angle 64 is more than second angle 65 in unit ring, it is ensured that spring wire during detouring The spiral of each unit ring is oblique, is specifically shown in Figure 13.
Notification number for CN102810782B patent document disclose conducting terminal, the circuit board for being provided with conducting terminal and Board to board connector, wherein, spring touch finger, distance is the first distance 12 between point 11 in point 9 and second in first;The It is second distance 13 that point 9 and the outer distance between point 10 are surround in one;First distance 12 is less than second distance 13.It is specifically shown in Figure 14.
Aforementioned four patent, its core technology is contacted using many fingertips of single-wire helix spring, and spring touch finger is in the cycle Property, single fingertip is axially oblique, realization electrical connection along helical spring.During actual use, it has been found that said structure There is following defect:The fingertip of single-wire helix spring is oblique to be configured to unstable construction, the oblique structure of interior product during longer storage The Stress Release made, snap-in force/insertion force may be caused, which to increase to, to be used;During product use, due to adjacent structure Combination between part is more loose, and the deformation that swapping process is produced is big, temperature rise and cooling especially in use, makes The elasticity decrease of spring touch finger is obtained, and then make it that snap-in force and separating force are produced and is changed, normally, with the increase of plug number of times And decline so that it is reduced using reliability, and service life is reduced.
The content of the invention
There is snap-in force and separating force for existing connector to carry there is provided one kind the problem of life cycle is unstable The contact of spiral elasticity contact element, it has stable frame mode, it is ensured that the electricity that contact is reliable, service life is higher Connection.
Above-mentioned technical purpose is realized, above-mentioned technique effect is reached, the present invention is achieved through the following technical solutions:
The present invention provides a kind of contact with spiral elasticity contact element, it is characterised in that including:
Several line style electric-conductors;
Each line style electric-conductor is corrugated;
Line style electric-conductor forms multi-contact elastomeric contact element after interlacing, the multi-contact elastomeric contact element along The helical trajectory line formation spiral elasticity contact element of setting;
Wherein, the external envelope face of the crest formation multi-contact elastomeric contact element of each line style electric-conductor, the ripple of each line style electric-conductor Paddy forms the interior enveloping surface of multi-contact elastomeric contact element.
It is preferred that, the radial section of the spiral elasticity contact element is shaped as circle, ellipse, arc, rectangle, waist Any of shape.
It is preferred that, the line style electric-conductor is divided into left-handed electric-conductor and dextrorotation electric-conductor according to the difference of the hand of spiral;Line The quantity of type electric-conductor is at least 3, and 2 line style electric-conductor hands of spiral of wherein at least are identical and are parallel to each other;At least one line The hand of spiral of type electric-conductor is with foregoing at least two line style electric-conductor on the contrary, and being cross-woven to be formed with their progress spirals Described spiral elasticity contact element.
It is preferred that, the quantity of the line style electric-conductor is even number, wherein the number phase of left-handed electric-conductor and dextrorotation electric-conductor Together.
It is preferred that, also including support member, the support member is located at the inside of spiral elasticity contact element, is connect with spiral elasticity Touch the inner wall section of element or all laminatings;The number of plies of the spiral elasticity contact element is individual layer or multilayer.
It is preferred that, the line style electric-conductor is single electrical silk;Or the line style electric-conductor is 2-5 root conductive filament process Form;Or the line style electric-conductor, from the inside to the outside sequentially provided with central core and the outer layer for surrounding central core, central core includes single Root or the silk of many laminatings;Outer layer includes multi-filament.
It is preferred that, the gap between gap, the multi-filament of the outer layer is provided between the multi-filament of the outer layer outer for this 0.1-0.4 times of the individual thread diameter of layer;Preferably, the gap between the multi-filament of the outer layer is straight for the individual thread of the outer layer 0.2 times of footpath.
It is preferred that, the line style electric-conductor is three layers of twisted wire structure, including central core, outer layer and located at central core and outer layer Between intermediate layer, the process direction of the silk of outer layer and the process of the silk in intermediate layer are in opposite direction;Central core, intermediate layer and outer The spiral angle of silk in layer sequentially reduces.
Beneficial effects of the present invention:A kind of contact with spiral elasticity contact element that the present invention is provided its have it is many Individual contact point, it can provide more contacts area, undertake bigger electric current, and temperature rise caused by reduction energization is of the invention in addition There is provided contact reliability, the electrical connection that temperature rise is low, service life is high for Stability Analysis of Structures.
Brief description of the drawings
Fig. 1(a)It is the structural representation of the multi-contact elastomeric contact element of linear structure;
Fig. 1(b)It is Fig. 1(a)Partial enlarged drawing at middle A;
Fig. 2 is the schematic diagram of single line style electric-conductor expansion;
Fig. 3(a)For elastic contact element structural representation when being shaped as annular of axis line tracking;
Fig. 3(b)For elastic contact element structural representation when being shaped as arc of axis line tracking;
Fig. 3(c)For elastic contact element structural representation when being shaped as spirality of axis line tracking, i.e. spiral of the invention The structural representation of elastic contact element;
Fig. 4 is the structural representation of multiconductor flat board reticulated elastomeric contact element;
Fig. 5 is Fig. 3(a)Partial enlarged drawing at middle B;
Fig. 6(a)Centered on layer be single electrical silk, outer layer has the overall structure diagram of the line style electric-conductor of many conductive filaments;
Fig. 6(b)Centered on layer be single electrical silk, outer layer has the sectional view of the line style electric-conductor of many conductive filaments;
Fig. 6(c)Centered on layer be many conductive filaments, outer layer has the overall structure diagram of the line style electric-conductor of many conductive filaments;
Fig. 6(d)Centered on layer be many conductive filaments, the section view that outer layer has the line style electric-conductor of many conductive filaments is illustrated;
Fig. 7 is a kind of structural representation of the multi-contact elastomeric contact element of built-in support member;
Fig. 8 is a kind of structural representation of the multi-contact elastomeric contact element of the cold conduit of built-in liquid;
Fig. 9 is a kind of structural representation of the receptacle connector with recessed cydariform multi-contact elastomeric contact element;
Figure 10 is a kind of electric connector structure schematic diagram with multi-contact elastomeric contact element;
Figure 11 is a kind of structural representation for the electric connector being used between plate;
Figure 12 is patent CN102427180A accompanying drawing 2.
Figure 13(a)It is patent CN102522647A accompanying drawings 3;
Figure 13(b)It is patent CN102522647A accompanying drawings 4;
Figure 14 is patent CN102570115B accompanying drawings 3c;
Figure 15 is patent CN102810782B accompanying drawings 2b.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
Embodiment 1
Such as Fig. 1(a)And Fig. 1(b)Shown multi-contact elastomeric contact element 1, including:
Several line style electric-conductors 11;
Each line style electric-conductor 11 is corrugated;
All line style electric-conductors 11 form the multi-contact elastomeric contact element 1 of linear structure after interlacing;
Wherein, the external envelope face B of the multi-contact elastomeric contact element 1 of the crest 1a formation linear structures of each line style electric-conductor 11, The interior enveloping surface C of the multi-contact elastomeric contact element 1 of the trough 1b formation linear structures of each line style electric-conductor 11.
To sum up, between the interior enveloping surface B and external envelope face C of the multi-contact elastomeric contact element 1 of linear structure of the invention With a certain distance, when the multi-contact elastomeric contact element 1 and other electrical parts for being used as linear structure are used cooperatively Elastic space, so that the multi-contact elastomeric contact element 1 of the linear structure of the present invention has extraordinary elasticity, drops significantly Low moulding risk in use, improves service life, and the multi-contact elastomeric contact element of the present invention can be provided Multiple contacts, substantially increase through-flow performance and contact area, so that the present invention has higher electrical reliability.Separately Outside, due to structure the characteristic of the present invention in itself so that multi-contact elastomeric contact element of the invention in use, its footpath It is variable in the presence of external force to the shape of cross section.
Corrugated line style electric-conductor can be that ripple is formed during braiding or be inherently ripple Shape.
In actual manufacturing process, preferably by the crest 1a of each line style electric-conductor 11(High point)With trough 1b(Low spot) It is repeated cyclically and sets at equal intervals, the product structure that this mode is produced is more stable, processing procedure is simple, greatly reduces life The risk malfunctioned during production, high yield rate.It is of course also possible to by the crest 1a of each line style electric-conductor(High point)With trough 1b (Low spot)Set unequal interval, go to meet actual product demand.
In all embodiments of the present invention, in all embodiments of the invention, the line style electric-conductor is led to be single Electrical filament;Due to during braiding, single electrical silk is carried out into spiral first, so that single electrical silk is flexible, Greatly reduce snap-in force.
Preferably, the line style electric-conductor is the individual layer of 2-5 root conductive filament process.
Preferably, the line style electric-conductor is by the sandwich construction that at least 6 silks are stranding into, in being sequentially provided with from the inside to the outside Central layer and the outer layer for surrounding central core, central core include the silk of single or many laminating;Outer layer includes multi-filament;More preferably Gap is provided between ground, many of outer layer, the silk in the outermost outer layer of electric-conductor is between conductive filament, the silk of adjacent layer To be brought into close contact.
Preferably, the gap between gap, the multi-filament of the outer layer is provided between the multi-filament of the outer layer outer for this The individual thread diameter of layer(0.1-0.4)Times;Preferably, the gap between the multi-filament of the outer layer is the individual thread of the outer layer 0.2 times of diameter.
It is highly preferred that the line style electric-conductor is three layers of twisted wire structure, including central core, outer layer and located at central core and outer Intermediate layer between layer, the process direction of the silk of outer layer and the process of the silk in intermediate layer are in opposite direction;Central core, intermediate layer and The spiral angle of silk in outer layer sequentially reduces.Outer layer includes multi-filament, and the silk in outer layer is conductive filament, the multi-filament of outer layer it Between be provided with gap;Central core includes the silk that individual thread or 2-5 roots are fitted;Central core and the silk in intermediate layer are conductive filament or structure It is to be brought into close contact between silk, the silk of adjacent layer.
In a kind of actual application, such as Fig. 6(a)And Fig. 6(b)Shown, the central core of line style electric-conductor is set to single and led Electrical filament, outer layer sets 6 conductive filaments.
In actual another application, the line style electric-conductor can also be set to three layers of twisted wire structure, and electric-conductor is from interior To outside sequentially provided with central core, intermediate layer and outer layer;Preferably, the silk of central core is provided with 1-5 roots, and the silk in intermediate layer is provided with 5-12 Root, the silk of outer layer is provided with 10-18 roots;The spiral angle of silk on the central core is the spiral of the silk on 80-85 degree, intermediate layer Angle is that the spiral angle of the silk on 65-78 degree, outer layer is 45-60 degree.It is highly preferred that such as Fig. 6(c)- Fig. 6(d)It is shown, center Layer includes the silk of 3 laminatings, and outer layer includes 15 silks, and intermediate layer includes 9 silks, wherein, D is the diameter dimension of electric-conductor, and d is Single electrical silk diameter dimension, Δ for same outer layer multi-filament between be provided with gap.Preferably, the silk nominal diameter of each layer Meet:The nominal diameter of each silk of layer centered on 0.91d1≤d2≤1.1d1,0.91d1≤d3≤1.1d1, wherein d1, d2 is The nominal diameter of each silk in intermediate layer, d3 is the nominal diameter of each silk of outer layer.
Preferably, the diameter difference of the silk of each layer is equal, such as Fig. 6(c)- Fig. 6(d)It is shown, diameter all phases of the silk of each layer Deng.
Preferably, the tolerance of the diameter of the silk of each layer is the 20% of this layer of silk nominal diameter.
When foregoing line style electric-conductor is sequentially provided with central core and at least one outer layer from the inside to the outside, according to application scenarios Need, the silk in central core can be conductive filament or structural filaments, and the silk in outermost outer layer is conductive filament, in The material of the silk of other outer layers between central layer and outermost outer layer can be with identical, can also be different, can be conductive filament, It can be the structural filaments of no electric conductivity;Conductive filament, preferred material is copper free wire, tin bronze wire or beryllium-bronze silk;Multilayer is twisted When the silk of the central core of cable architecture is structural filaments, preferred material is high-strength material, such as stainless steel wire;Three layers or more layer twisted wire The silk in the intermediate layer of structure, preferred material is copper alloy silk or aluminum-alloy wire.
The cross section for the line style electric-conductor that many conductive filaments in the present invention are stranding into for circular or ellipse or rectangle or Kidney-shaped.
Had the following effects that using the electric-conductor in the present invention:
(1)Increase current capacity, so that temperature rise is lower, and under equal current capacity, the section of many conductive filaments is less than single lead Electrical filament, saves material;
(2)Increase contact points, so as to improve contact reliability;
(3)During product non-normal use, even if a small amount of conductive filament is damaged, because contact point is more, product will not be caused to lose Effect;
(4)Increase conductive filament radical, smaller snap-in force is obtained, so as to increase substantially connect-disconnect life;
Test data shows, when using three-decker(Include central core A, intermediate layer B and outer layer C)Line style electric-conductor, such as Fig. 1(a), Fig. 6(c)- Fig. 6(d), Fig. 3(b), Fig. 3(c)It is shown, a diameter of 12mm electric contact piece is manufactured, wherein, central core bag The silk of 3 laminatings is included, outer layer includes 15 silks, and the spiral angle that intermediate layer includes the silk on 9 silks, central core is 80 degree, in The spiral angle of silk on interbed is 68 degree, when the spiral angle of the silk on outer layer is 55 degree, d=0.05mm, D=0.31mm, Δ= 0.004mm, compared to the electric-conductor constituted with prismatic single electrical silk, its current capacity, which is improved, is more than 20%, and temperature rise declines More than 30%, snap-in force can decline more than 40%, and connect-disconnect life improves more than 10 times.
The fatiguability degree and the intensity of conductive filament of specific material, conductive filament in view of conductive filament, generally will be single The cross section of conductive filament or the electric-conductor of many conductive filament combinations is set to circular or ellipse or rectangle or kidney-shaped.This hair The cross section of the silk of single electrical described in bright or the electric-conductor of many conductive filaments combination can be not limited to circular or ellipse or Rectangle or kidney-shaped or other geometries, concrete shape are set according to the actual requirements.When electric-conductor is many conductions During the electric-conductor of silk combination, the cross section of each conductive filament can be able to be close between adjacent conductive filament with identical or difference Laminating, may not be and be brought into close contact.
Cross section and the transversal relation of plane of elastic contact element below with regard to line style electric-conductor is briefly described as follows:
When line style electric-conductor 11 is single electrical silk, and the initial cross-sectional shape of elastic contact element(It is exactly elastic contact element Cross sectional shape in the case of being in the normal state)For it is circular or approximate circle when:
Cross section for the conductive filament of ellipse cross section long axis direction and elastic contact element cross section it is tangential consistent;
Cross section for the conductive filament of kidney-shaped cross section long side direction and elastic contact element cross section it is tangential consistent;
Similarly, above-mentioned set-up mode may apply to when the line style electric-conductor that line style electric-conductor 11 combines for many conductive filaments Set.
In the present embodiment, described multi-contact elastomeric contact element did destressing heat treatment;The material of the conductive filament Expect for phosphor bronze or beryllium-bronze or pre- coating;The coating surface of the conductive filament is any of silver-colored, gold or tin.According to this The difference of the application scenarios of invention, the material of the conductive filament, the material of the coating surface of conductive filament are not limited in the present embodiment The specific material illustrated, can also be that others can realize the material of conducting function.
Embodiment 1-1
Based on embodiment 1, such as Fig. 1(a)It is shown, in the present embodiment, the multi-contact elastomeric contact element 1 of the linear structure be by What axis line tracking of each line style electric-conductor 11 along setting was formed after being cross-woven through spiral, and the multiconductor of linear structure The number of plies of elastic contact element 1 is individual layer or multilayer.
According to actual products application conditions of demand, the shape of the multi-contact elastomeric contact element, which can be processed, to be in line Shape, annular(Including annular and oval ring), rectangle, arc, any of spirality;Foregoing variously-shaped multiconductor The shape of the axis line tracking of elastic contact element is respectively linear, annular(Including annular and oval ring), rectangle, arc Shape, spirality;The structural representation of annular multi-contact elastomeric contact element is shown in Fig. 3(a);Arc annular multi-contact elastomeric contact The structural representation of element is shown in Fig. 3(b);The structural representation of spirality multi-contact elastomeric contact element is shown in Fig. 3(c), i.e. this hair Bright spiral elasticity contact element;Under different applied environments, the axis trajectory different by setting is obtained outside difference The multi-contact elastomeric contact element of shape, is analogized, just no longer exhaustion is repeated one by one here with foregoing.
In the present embodiment, in order to meet different application demands, the multi-contact elastomeric contact element 1 of the linear structure The shape of radial section can be circular, ellipse, arc(Preferably circular arc or ellipse arc), rectangle(Preferably Rectangle or square), any of kidney-shaped.
In the present embodiment, the line style electric-conductor 11 is divided into left-handed electric-conductor 111 according to the difference of the hand of spiral(Inverse time Pin rotates)With dextrorotation electric-conductor 112(Turn clockwise);The quantity of line style electric-conductor 11 is at least 3,2 lines of wherein at least The hand of spiral of type electric-conductor 11 is identical and is parallel to each other, and the hand of spiral and other line styles of at least one line style electric-conductor 11 are conductive The hand of spiral of part 11 for line style electric-conductor that is identical with the hand of spiral and being parallel to each other on the contrary, and carry out spiral interlacing Form multi-contact elastomeric contact element.
The preferred scheme that spiral described in the present embodiment is cross-woven process is:
The to the left or to the right spiral surrounding component unit ring of the first track by each single line style electric-conductor 11 along setting(Spiral shell to the left Rotation is referred to as left-handed electric-conductor, is referred to as dextrorotation electric-conductor to right-hand screw), constituent parts ring according to setting axis line tracking successively head and the tail It is connected and is surround, during braiding so that form cross reference between each left-handed electric-conductor and each dextrorotation electric-conductor, and It is phase pressure relation periodically alternating with each other between left-handed electric-conductor and dextrorotation electric-conductor.
When the first track for it is circular when, formation be radial section the multi-contact elastomeric contact element for being shaped as circle; When the first track for ellipse when, formation be radial section be shaped as ellipse multi-contact elastomeric contact element;When One track be arc when, formation be radial section the multi-contact elastomeric contact element for being shaped as arc;When the first track is During rectangle, formation be radial section the multi-contact elastomeric contact element for being shaped as rectangle;When the first track is kidney-shaped, shape Into be radial section the multi-contact elastomeric contact element for being shaped as kidney-shaped.
Fig. 4 show the structure for the multi-contact elastomeric contact element that axis line tracking is linear, the first track is kidney-shaped Schematic diagram.
It is that preferred, of the invention multi-contact elastomeric contact element can also be using appointing that above-mentioned spiral, which is cross-woven process, What enables to the external envelope face B of the crest 1a formation multi-contact elastomeric contact elements of each line style electric-conductor 11, and each line style is conductive The interior enveloping surface C of the trough 1b formation multi-contact elastomeric contact elements of part 11 weaving method is formed.
Name the asynchronous braiding scheme of quantity that two examples briefly describe line style electric-conductor:
The quantity of the line style electric-conductor 11 is 3, including 2 dextrorotation electric-conductors and 1 left-handed electric-conductor, 2 dextrorotation electric-conductors The hand of spiral is identical and is parallel to each other, when braiding, and left-handed electric-conductor carries out spiral with 2 dextrorotation electric-conductors respectively and intersected It is knitted to form contact elastic contact element.
When the quantity of the line style electric-conductor 11 is 4, it is designated as:First electric-conductor, the second electric-conductor, the 3rd electric-conductor and Four electric-conductors, wherein the hand of spiral of the first electric-conductor, the second electric-conductor, the 3rd electric-conductor is identical and is parallel to each other(It is left-handed or Dextrorotation), the hand of spiral of the 4th electric-conductor is opposite with the hand of spiral of the first electric-conductor, the second electric-conductor, the 3rd electric-conductor(I.e. Dextrorotation is left-handed), each line style electric-conductor through spiral property stagger(ed) cycle repeat be knitted to form multi-contact elastomeric contact element;Or the One electric-conductor, the second electric-conductor spiral woven direction it is consistent, the spiral woven direction phase of the 3rd electric-conductor and the 4th electric-conductor Same and in opposite direction with the spiral woven of first electric-conductor, second electric-conductor, each electric-conductor is through spiral property stagger(ed) cycle weight Multi-contact elastomeric contact element is knitted to form again;During making, it is preferably:Each cross one another line style electric-conductor is each other Alternating is mutually pressed, i.e., parallel between all left-handed electric-conductors, parallel between all dextrorotation electric-conductors, and each left-handed electric-conductor point Not with each dextrorotation electric-conductor phase pressure alternating with each other, this production method is suitable to mass production, and Stability Analysis of Structures, contact performance It is good, the service life of the multi-contact elastomeric contact element of the present invention can be greatly prolonged;, can be with actual manufacturing process It is:(1)The left-handed electric-conductor in part and part dextrorotation electric-conductor are alternating with each other but do not press mutually,(2)Or the left-handed electric-conductor in part with Dextrorotation electric-conductor in part neither replaces nor mutually pressed each other;(3)Or between all dextrorotation electric-conductors be parallel relation, it is each left-handed Electric-conductor is alternating with each other but do not press mutually with each dextrorotation electric-conductor respectively.
In order to improve the stability of the contact piece structure with multi-contact elastomeric contact element of the invention, by electric-conductor 11 Quantity be set to even number, and left-handed electric-conductor is identical with the number of dextrorotation electric-conductor.
When line style electric-conductor 11 is single electrical silk, with following design:
When conductive filament be sequence crossover arrange circular conductive silk when, it is adjacent between space be conductive filament diameter 0.5-2.5 Times;When conductive filament be sequence crossover arrange oblong electrical conductive silk when, it is adjacent between space be conductive filament transverse diameter 0.5-2.5 times;When conductive filament be sequence crossover arrange rectangular conductive silk when, it is adjacent between space be conductive filament cross section 0.5-2.5 times of catercorner length.
Above-mentioned design is similarly extended to when line style electric-conductor 11 is the line style electric-conductor that many conductive filaments are combined, phase Gap and the parameter setting of the diameter of single conductive filament group between adjacent conductive filament group.
Generally, it is the left-handed electric-conductor is identical with the spiral angle of dextrorotation electric-conductor;The spiral angle is 15 degree ~ 75 degree;Under many circumstances, the spiral angle of the left-handed electric-conductor and dextrorotation electric-conductor can also be set to not Together;Spiral angle is not limited to 15 degree ~ 75 degree, can also be other angle values.
For the more special occasion of some demands, the multi-contact elastomeric contact element shape can also for linear, Annular(Including annular and oval ring, rectangular loop), arc, at least two combination in spirality;Specifically how to come It is combined depending on actual use occasion.
Embodiment 1-2
Based on embodiment 1, as shown in figure 5, in the present embodiment, the multi-contact elastomeric contact element 1 of the linear structure is more than one Contact flat board reticulated elastomeric contact element;The number of plies of the multiconductor flat board reticulated elastomeric contact element is individual layer or multilayer.
Multi-contact elastomeric contact element is formed via each line style electric-conductor 11 after being cross-woven two-by-two, and the line style is led The quantity of electric part 11 is at least 3, and 2 line style electric-conductors of wherein at least are parallel to each other, and at least one line style electric-conductor is with mutually putting down Capable line style electric-conductor carries out interlacing and forms multiconductor flat board reticulated elastomeric contact element, braiding process and embodiment 1-1 In braiding process duplicate, simply in the present embodiment, each line style electric-conductor 11 be not it is spiral, be preferably braiding mistake It is linear extension in journey, during braiding, the electric-conductor phase pressure alternating with each other for directly intersecting bearing of trend.
One braiding scheme of the electric-conductor of citing simple declaration below:
When the quantity for line style electric-conductor 11 is 3, it is designated as:First electric-conductor, the second electric-conductor, the 3rd electric-conductor, wherein First electric-conductor, the second electric-conductor are in parastate, and the 3rd electric-conductor is used to carry out that with the first electric-conductor, the second electric-conductor This intersection is mutually pressed, and each electric-conductor 11 repeats to form multiconductor flat board reticulated elastomeric contact element after weaving through property stagger(ed) cycle.
For the stability of the structure of the multiconductor flat board reticulated elastomeric contact element that improves the present invention, the line style is conductive The quantity of part 11 is even number, and the quantity of two kinds of different electric-conductors of bearing of trend is identical.
Embodiment 2
In order to improve the steadiness of the contact with multi-contact elastomeric contact element of the invention, prevent what is caused due to deformation Electric conductivity declines, as shown in fig. 7, in the present embodiment, a kind of connecing with multi-contact elastomeric contact element of built-in support member Contact element, includes the multi-contact elastomeric contact element 1 and support member 2 of linear structure, and the support member 2 is touched more located at linear structure The inside of point elasticity contact element 1, is contacted with the inwall of the multi-contact elastomeric contact element 1 of linear structure, and support member 2 with it is straight The inwall of the multi-contact elastomeric contact element 1 of cable architecture is part laminating or all laminatings.
In the present embodiment, the multi-contact elastomeric contact element in embodiment 1, embodiment 1-1 and embodiment 1-2 can be used Part;
When the axis line tracking of the multi-contact elastomeric contact element 1 of linear structure is linear, arc, spirality, support member 2 Two ends separate;When the axis line tracking that the multi-contact elastomeric contact element 1 of linear structure is is annular, rectangle, support member 2 Two ends be connected.
When support member 2 is fitted with the inner wall section of the multi-contact elastomeric contact element 1 of linear structure, the footpath of support member 2 It is less than the radial dimension of the multi-contact elastomeric contact element 1 of linear structure to size;And when the multi-contact elastomeric contact element When being shaped as any of linear, annular, rectangle, arc, spirality, the extension track of support member 2 is linear, ring Any of shape, rectangle, arc, spirality, the extension track of support member 2 match with the shape of multi-contact elastomeric contact element Close.
Preferably, when support member 2 is fitted with the inner wall section of the multi-contact elastomeric contact element 1 of linear structure, support Part 2 is arranged on the working face of multi-contact elastomeric contact element(It is used for the face electrically connected with the formation of other connector contacts)Opposite Madial wall on.
Support member 2 can prevent the object of multi-contact elastomeric contact element deformation from can arbitrarily play, and can use The electric-conductor of conductive energy, it would however also be possible to employ the insulating part without electric conductivity.
For example:Support member 2 can select the plastic insulation part with hollow structure or solid construction, low cost, effect It is good;The metallic conduction part with hollow structure or solid construction, such as copper pipe can also be selected.The cross section of support member 2 is Circular or rectangle.
Embodiment 3
When contact works long hours under high current or long-time is in running order, many heats can be all produced, are made The temperature inside contact is obtained to gradually rise, but high temperature can have a huge impact to the electric conductivity of contact, therefore, need Want a kind of contact with multi-contact elastomeric contact element of built-in liquid cooling medium, the process that can be worked in electric contact piece In, the device of contact internal heat is constantly taken away, it is ensured that the temperature inside contact is constant, so that it is guaranteed that contact is good Electric conductivity.
As shown in figure 8, in the present embodiment, a kind of contact with multi-contact elastomeric contact element of built-in liquid cooling medium Part, includes the cold conduit 3 of multi-contact elastomeric contact element 1 and liquid of linear structure;
The multi-contact elastomeric contact element 1 of the linear structure is formed by several line style electric-conductors 11 after interlacing;
Each line style electric-conductor 11 is corrugated;
Wherein, the external envelope face B of the multi-contact elastomeric contact element 1 of the crest 1a formation linear structures of each line style electric-conductor 11, The interior enveloping surface C of the multi-contact elastomeric contact element 1 of the trough 1b formation linear structures of each line style electric-conductor 11.
The multi-contact elastomeric contact element 1 of the linear structure can be selected in embodiment 1-1 and be shaped as linear, arc The multi-contact elastomeric contact element 1 of any of shape, spirality linear structure, the multi-contact elastomeric contact element of linear structure 1 is formed after axis line tracking by each line style electric-conductor along setting is cross-woven through spiral, can also be from implementing The multi-contact elastomeric contact element 1 of linear structure in example 1-2.I.e. the multi-contact elastomeric contact element 1 of linear structure has two Individual free end, for inserting the cold conduit of liquid so that the cold conduit of liquid can be connected with extraneous liquid cooling system.
When the multi-contact elastomeric contact element 1 of linear structure uses trajectory in embodiment 1 to be sealed for circular or rectangle class , it is necessary to be punched on multi-contact elastomeric contact element during the elastic contact element of closed type structure so that the cold conduit 3 of liquid can be with liquid Cooling system is connected
The cold conduit 3 of liquid is inside the multi-contact elastomeric contact element 1 of linear structure, and the cold conduit 3 of liquid is used for and the cold system of liquid System connection, to be passed through liquid cooling medium, using the continuous circulation of liquid cooling medium, takes away the heat in elastic contact element;
The cold conduit 3 of liquid is fitted or all laminatings with the inner wall section of the multi-contact elastomeric contact element 1 of linear structure, is risen simultaneously To support and the effect of cooling.When the cold conduit of liquid is fitted with the inner wall section of multi-contact elastomeric contact element, the cold conduit of liquid is set Put the working face in multi-contact elastomeric contact element(It is used for the face electrically connected with the formation of other connector contacts)The side on opposite On wall, the movement travel distance for limiting working face.
In the present embodiment, the position relationship and embodiment of the cold conduit 3 of liquid and the multi-contact elastomeric contact element 1 of linear structure Support member is identical with the position relationship of the multi-contact elastomeric contact element 1 of linear structure in 3.
In order to improve this heat dispersion, multiple liquid can also be set in the multi-contact elastomeric contact element 1 of linear structure Cold conduit 3, each cold conduit of liquid is used to be connected with liquid cooling system, is passed through liquid cooling medium, utilizes the continuous circulation of liquid cooling medium, band The heat in contact is walked, in such a case, it is possible to which the two ends of the cold conduit of each liquid are utilized into the adapter provided with multiple through holes To be connected with extraneous liquid cooling system.Wherein, the combination of the cold conduit group of the liquid of the cold conduit of multiple liquid is using in the prior art Combination, for example, the parallel binding of the cold conduit of multiple liquid forms the structure such as cold conduit group of a liquid, be just no longer described in detail here .
Embodiment 4
As shown in figure 9, a kind of electric connector with multi-contact elastomeric contact element, including conductive pin body 4, at least one Convex cydariform multi-contact elastomeric contact element, the outer wall of conductive pin body 4 is provided with to be connect for installing convex cydariform multi-contact elastomeric Touch the mounting groove 41 of element, the peace of the top and bottom of convex cydariform multi-contact elastomeric contact element respectively with conductive pin body 4 The inwall formation multiconductor electrical connection of tankage 41;
The convex cydariform multi-contact elastomeric contact element is formed by several line style electric-conductors 11 after interlacing;
Each line style electric-conductor 11 is corrugated, it is preferable that each line style electric-conductor is periodically heavy in their extension direction High point 1a is arranged at intervals with again(Crest)With low spot 1b(Trough);
Convex cydariform multi-contact elastomeric contact element is the small structure broad in the middle in two;
Wherein, the crest 1a of each line style electric-conductor 11 forms the external envelope face of convex cydariform multi-contact elastomeric contact element 5, each line style The trough 1b of electric-conductor 11 forms the interior enveloping surface of convex cydariform multi-contact elastomeric contact element 5.
The side wall of convex cydariform multi-contact elastomeric contact element 5 is rounding off shape.
The line style electric-conductor 11 is divided into left-handed electric-conductor and dextrorotation electric-conductor according to the difference of the hand of spiral;Line style is conductive The quantity of part 11 is at least 3, and 2 line style electric-conductor hands of spiral of wherein at least are identical and are parallel to each other, and at least one line style is led The hand of spiral of electric part is with foregoing at least two line style electric-conductor on the contrary, and being cross-woven to form convex drum with their progress spirals Shape multi-contact elastomeric contact element 5.
Or each line style electric-conductor 11 is arc, the convex cydariform multi-contact elastomeric contact element 5 is via each line Type electric-conductor 11 is formed after being cross-woven two-by-two, wherein, the quantity of the line style electric-conductor 11 is at least 3, wherein at least 2 Individual line style electric-conductor is in the same direction and parallel, and at least one line style electric-conductor is used to carry out two-by-two with line style electric-conductor in the same direction and parallel Interlacing forms convex cydariform multi-contact elastomeric contact element 5.
Preferably, the quantity of the line style electric-conductor 11 is even number, wherein the number of left-handed electric-conductor and dextrorotation electric-conductor It is identical.
Preferably, the number of plies of the convex cydariform multi-contact elastomeric contact element 5 is individual layer or multilayer.
Embodiment 5
As shown in Figure 10, a kind of electric connector with multi-contact elastomeric contact element, including:
Conductive jack body 6, at least one recessed cydariform multi-contact elastomeric contact element 7, the inwall of conductive jack body 6 are provided with Accommodate the holding tank 61 of recessed cydariform multi-contact elastomeric contact element body;The top of the recessed cydariform multi-contact elastomeric contact element 7 Portion and bottom are electrically connected with the inwall formation multiconductor of the holding tank 61 of conductive jack body 6;
The convex cydariform multi-contact elastomeric contact element 7 is formed by several line style electric-conductors 11 after interlacing;
Each line style electric-conductor 11 is corrugated;
Convex cydariform multi-contact elastomeric contact element 7 is the small structure broad in the middle in two;
Wherein, the crest of each line style electric-conductor 11 forms the external envelope face of recessed cydariform multi-contact elastomeric contact element 7, and each line style is led The trough of electric part 11 forms the interior enveloping surface of recessed cydariform multi-contact elastomeric contact element 7.
Preferably, the number of plies of the recessed cydariform multi-contact elastomeric contact element 7 is individual layer or multilayer.
Embodiment 5-1
Based on embodiment 5, the line style electric-conductor 11 is divided into left-handed electric-conductor and dextrorotation electric-conductor according to the difference of the hand of spiral; The quantity of line style electric-conductor 11 is at least 3, and 2 line style electric-conductor hands of spiral of wherein at least are identical and are parallel to each other, and at least 1 The hand of spiral of individual line style electric-conductor with foregoing at least two line style electric-conductor on the contrary, and they carry out spirals be cross-woven to be formed Recessed cydariform multi-contact elastomeric contact element 7.Because recessed cydariform multi-contact elastomeric contact element 7 has the small knot in the big centre in two Structure, in the present embodiment, line style electric-conductor along circular trace spiral surrounding component unit ring, constituent parts ring according to setting axis Line tracking is surround successively, and while surrounding, left-handed electric-conductor and dextrorotation electric-conductor intersect two-by-two, in the present embodiment, each list The diameter of position ring is different.
Further, the quantity of the line style electric-conductor 11 is even number, wherein of left-handed electric-conductor and dextrorotation electric-conductor Number is identical.
Embodiment 5-2
Based on embodiment 5, each line style electric-conductor 11 is arc, and the recessed cydariform multi-contact elastomeric contact element 7 is via each Individual line style electric-conductor is formed after being cross-woven two-by-two, wherein, the quantity of the line style electric-conductor is at least 3, wherein at least 2 Individual line style electric-conductor is in the same direction and parallel, and at least one line style electric-conductor is intersected two-by-two with line style electric-conductor in the same direction and parallel It is knitted to form recessed cydariform multi-contact elastomeric contact element 7.
Preferably, the quantity of the line style electric-conductor 11 is even number.
Embodiment 6
As shown in figure 11, a kind of electric connector being used between plate is disclosed in the present embodiment, including:Substrate 8 is straight with least one The multi-contact elastomeric contact element 1 of cable architecture;
The multi-contact elastomeric contact element is formed by several line style electric-conductors 11 after interlacing;
Each line style electric-conductor 11 is corrugated;
Wherein, the external envelope face B of the multi-contact elastomeric contact element 1 of the crest 1a formation linear structures of each line style electric-conductor 11, The interior enveloping surface C of the multi-contact elastomeric contact element 1 of the trough 1b formation linear structures of each line style electric-conductor 11;
The substrate 8 includes plate-like body 81 and block tongue 82, and clamping gap is provided between plate-like body 81 and block tongue 82;Straight line knot The multi-contact elastomeric contact element 1 of structure is connected in above-mentioned clamping gap so that the multi-contact elastomeric contact element 1 of linear structure Sidepiece be in contact with plate-like body 81.
Line style electric-conductor 11 in the present embodiment uses the line style electric-conductor in embodiment 1.
The plate-like body 81 is metallic plate;Block tongue 82 is insulation board or metallic plate.
When the multi-contact elastomeric contact element 1 of linear structure uses trajectory in circle, ellipse, arc, rectangle During the multi-contact elastomeric contact element of any shape, center blocked hole E is respectively provided with, the block tongue 82 connects through multi-contact elastomeric Element is touched, block tongue 82 is caught in the center blocked hole E of the multi-contact elastomeric contact element 1 of linear structure so that linear structure The structure of two-way clamping is formed between multi-contact elastomeric contact element 1 and substrate 8, stability and reliability are further carried It is high;It is this to design the situation for being equally applicable to the trajectory of other multi-contact elastomeric contact elements for enclosed construction.
When the multi-contact elastomeric contact element 1 of linear structure uses trajectory for the multi-contact elastomeric contact element of straight line When, the block tongue 82 is caught in the inside of the multi-contact elastomeric contact element 1 of linear structure, is connect with the multi-contact elastomeric of linear structure The inwall contact of element 1 is touched, block tongue 82 is through the inside of the multi-contact elastomeric contact element 1 of linear structure.
Figure 11 illustrate only the multi-contact elastomeric contact element 1 of linear structure and the attachment structure of a substrate 8, to two When individual plate is electrically connected, then it is oppositely arranged simultaneously with two with the multi-contact elastomeric contact element 1 of same linear structure Substrate 8 be attached with the structure shown in Figure 11, i.e., the multi-contact elastomeric contact element 1 of linear structure is located at two substrates 8 Plate-like body 81 between, the block tongues 82 of two substrates 8 is caught in the center of the multi-contact elastomeric contact element 1 of linear structure simultaneously In blocked hole or be caught in linear structure multi-contact elastomeric contact element 1 inside, that is, realize being electrically connected between substrate 8 Connect.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its Equivalent thereof.

Claims (8)

1. a kind of contact with spiral elasticity contact element, it is characterised in that including:
Several line style electric-conductors;
Each line style electric-conductor is corrugated;
Line style electric-conductor forms multi-contact elastomeric contact element after interlacing, the multi-contact elastomeric contact element along The helical trajectory line of setting forms the spiral elasticity contact element;
Wherein, the external envelope face of the crest formation multi-contact elastomeric contact element of each line style electric-conductor, the ripple of each line style electric-conductor Paddy forms the interior enveloping surface of multi-contact elastomeric contact element.
2. the contact according to claim 1 with spiral elasticity contact element, it is characterised in that:The spiral elasticity The radial section of contact element is shaped as any of circle, ellipse, arc, rectangle, kidney-shaped.
3. the contact according to claim 1 with spiral elasticity contact element, it is characterised in that:The line style is conductive Part is divided into left-handed electric-conductor and dextrorotation electric-conductor according to the difference of the hand of spiral;The quantity of line style electric-conductor is at least 3, wherein At least two line style electric-conductor hand of spiral is identical and is parallel to each other;The hand of spiral of at least one line style electric-conductor with it is foregoing extremely Few 2 line style electric-conductors with their progress spirals on the contrary, and be cross-woven to form described spiral elasticity contact element.
4. the contact according to claim 3 with spiral elasticity contact element, it is characterised in that:The line style is conductive The quantity of part is even number, wherein left-handed electric-conductor is identical with the number of dextrorotation electric-conductor.
5. the contact with spiral elasticity contact element according to any one of claim 1-4, it is characterised in that:Also Including support member, the support member is located at the inside of spiral elasticity contact element, the inner wall section with spiral elasticity contact element Or all laminatings;The number of plies of the spiral elasticity contact element is individual layer or multilayer.
6. the contact according to claim 1 with spiral elasticity contact element, it is characterised in that:The line style is conductive Part is single electrical silk;Or the line style electric-conductor forms for 2-5 root conductive filament process;Or the line style electric-conductor is from interior To sequentially provided with central core and the outer layer for surrounding central core, central core includes the silk of single or many laminating outside;Outer layer includes Multi-filament.
7. the contact according to claim 6 with spiral elasticity contact element, it is characterised in that:The outer layer it is many The gap being provided between root silk between gap, the multi-filament of the outer layer is 0.1-0.4 times of the individual thread diameter of the outer layer;It is excellent Gap between selection of land, the multi-filament of the outer layer is 0.2 times of the individual thread diameter of the outer layer.
8. the contact according to claim 6 with spiral elasticity contact element, it is characterised in that:The line style is conductive Part is three layers of twisted wire structure, including central core, outer layer and the intermediate layer between central core and outer layer, the process of the silk of outer layer Direction and the process of the silk in intermediate layer are in opposite direction;The spiral angle of silk in central core, intermediate layer and outer layer sequentially reduces.
CN201611190842.3A 2016-12-21 2016-12-21 A kind of contact with spiral elasticity contact element Pending CN106953187A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201611190842.3A CN106953187A (en) 2016-12-21 2016-12-21 A kind of contact with spiral elasticity contact element

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101682137A (en) * 2008-04-14 2010-03-24 三菱电机株式会社 Contactor
CN101763957A (en) * 2009-12-18 2010-06-30 张正周 Spring contact for electric conduction
CN102834639A (en) * 2010-04-22 2012-12-19 美国圣戈班性能塑料公司 System, method and apparatus for stranded canted coil spring
CN203979228U (en) * 2014-07-23 2014-12-03 温州天力弹簧有限公司 Alternating expression wavy spring
CN104766676A (en) * 2008-08-15 2015-07-08 3M创新有限公司 Stranded composite cable and method of making and using

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101682137A (en) * 2008-04-14 2010-03-24 三菱电机株式会社 Contactor
CN104766676A (en) * 2008-08-15 2015-07-08 3M创新有限公司 Stranded composite cable and method of making and using
CN101763957A (en) * 2009-12-18 2010-06-30 张正周 Spring contact for electric conduction
CN102834639A (en) * 2010-04-22 2012-12-19 美国圣戈班性能塑料公司 System, method and apparatus for stranded canted coil spring
CN203979228U (en) * 2014-07-23 2014-12-03 温州天力弹簧有限公司 Alternating expression wavy spring

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Application publication date: 20170714