CN107039815A - A kind of electric connector with multiconductor cyclic spring contact element - Google Patents
A kind of electric connector with multiconductor cyclic spring contact element Download PDFInfo
- Publication number
- CN107039815A CN107039815A CN201611191851.4A CN201611191851A CN107039815A CN 107039815 A CN107039815 A CN 107039815A CN 201611191851 A CN201611191851 A CN 201611191851A CN 107039815 A CN107039815 A CN 107039815A
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- 230000008569 process Effects 0.000 claims description 14
- 238000010030 laminating Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 description 29
- 239000000463 material Substances 0.000 description 12
- 238000009954 braiding Methods 0.000 description 10
- 239000000758 substrate Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
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- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
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- 238000009941 weaving Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/33—Contact members made of resilient wire
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a kind of electric connector with multiconductor cyclic spring contact element, including conductive pin body, multiconductor cyclic spring contact element, conductive pin body outer wall is provided with mounting groove, and the inwall of multiconductor cyclic spring contact element is electrically connected with the outer wall formation multiconductor of the mounting groove of conductive pin body respectively；Several line style electric-conductors；All line style electric-conductors form multi-contact elastomeric contact element after interlacing, and annular trace line of the multi-contact elastomeric contact element along setting forms the multiconductor cyclic spring contact element；Wherein, the external envelope face of the crest formation contact element of each line style electric-conductor, trough forms interior enveloping surface.The electric connector 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
Technical field
The invention belongs to technical field of electric connectors, and in particular to a kind of electricity with multiconductor cyclic spring contact element
Connector.
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 12.
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 14.
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 15.
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.But the fingertip of single-wire helix spring is oblique is configured to not
Stable construction；The stress release of the oblique construction of product in during longer storage, snap-in force/insertion force may be caused to increase to can not
Use；In the product life cycle, snap-in force and separating force produce change, normally, decline with the increase of plug number of times, deposit
Risk is reduced in reliability, such as temperature rise raises, is difficult to meet higher service life demand.
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 electric connector of multiconductor cyclic spring contact element, it has stable frame mode, it is ensured that contact reliability, temperature rise
The electrical connection of low, higher service life demand.
Above-mentioned technical purpose is realized, above-mentioned technique effect is reached, the present invention is achieved through the following technical solutions：
There is provided a kind of with a kind of electric connector with multiconductor cyclic spring contact element of multiconductor ring, including conductive pin
Body, at least one multiconductor cyclic spring contact element, the conductive pin body outer wall, which is provided with, to be used to install described more tactile
The mounting groove of point cyclic spring contact element, the inwall of the multiconductor cyclic spring contact element respectively with conductive pin body
Mounting groove outer wall formation multiconductor electrical connection；
Also include several line style electric-conductors；
All line style electric-conductors form multi-contact elastomeric contact element, the multi-contact elastomeric contact element after interlacing
The multiconductor cyclic spring contact element is formed along the annular trace line of setting；
Each line style electric-conductor is corrugated；
Wherein, the external envelope face of the crest formation multiconductor cyclic spring contact element of each line style electric-conductor, each line style electric-conductor
Trough formation multiconductor cyclic spring contact element interior enveloping surface.
It is preferred that, the cross section of the multi-contact elastomeric contact element is shaped as in circle, ellipse, rectangle, kidney-shaped
It is any.
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
Multiconductor cyclic spring 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, in addition to support member, the support member is located at the inside of multiconductor cyclic spring contact element, with touching more
The inner wall section of point cyclic spring contact element or all laminating；The number of plies of the line style electric-conductor 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.
It is preferred that, the line style electric-conductor is from the inside to the outside sequentially provided with central core and the outer layer for surrounding central core, central core
Include the silk of single or many laminating；Outer layer part 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.
A kind of electric connector with multiconductor cyclic spring contact element according to claim 7, its feature exists
In：Gap between the multi-filament of the outer layer is 0.2 times of the individual thread diameter of the outer layer.
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 electrical connection with multiconductor cyclic spring contact element that the present invention is provided
Device, it has multiple contact points, in the case of electric-conductor same diameter, undertakes bigger electric current, temperature caused by reduction is powered
Rise, there is provided contact the reliable, electrical connection that temperature rise is low, service life is high for Stability Analysis of Structures of the present invention in addition.
Brief description of the drawings
Fig. 1（a）It is the structural representation of the multi-contact elastomeric contact element of linear；
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）-（c）Respectively axis line tracking is shaped as the corresponding multi-contact elastomeric contact element of annular, arc, spiral shape
Part structural representation；
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 electric connector with multiconductor cyclic spring contact element of the present invention；
Figure 10 is a kind of electric connector structure schematic diagram with multiconductor cyclic spring 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
Multi-contact elastomeric contact element 1 as illustrated in fig. 1 and 2, including：
Several line style electric-conductors 11；
Each line style electric-conductor 11 is corrugated；
All line style electric-conductors 11 form multi-contact elastomeric contact element 1 after interlacing；
Wherein, the external envelope face B of the crest 1a formation multi-contact elastomerics contact element 1 of each line style electric-conductor 11, each line style is conductive
The interior enveloping surface C of the trough 1b formation multi-contact elastomerics contact element 1 of part 11.
To sum up, have necessarily between the interior enveloping surface B and external envelope face C of multi-contact elastomeric contact element 1 of the invention
Distance, is used as elastic space when multi-contact elastomeric contact element is used cooperatively with other electrical parts, so that this hair
Bright multi-contact elastomeric contact element has extraordinary elasticity, greatly reduces moulding risk in use, improves
Service life, and the contact with multi-contact elastomeric contact element of the present invention can provide multiple contacts, substantially increase
Through-flow performance and contact area, so that the present invention has higher electrical reliability.Further, since the structure sheet of the present invention
The characteristic of body so that in use, the shape of its radial section is in external force for multi-contact elastomeric contact element of the invention
It is variable under effect.
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.
The cross section and the transversal relation of plane of multiconductor mesh contact part of line style electric-conductor are briefly described below
It is as follows：
When line style electric-conductor 11 is single electrical silk, and the initial cross-sectional shape of multiconductor mesh contact part（It is exactly multiconductor net
Shape contact be in the normal state in the case of cross sectional shape）For it is circular or approximate circle when：
Cross section is the cross section long axis direction and tangential the one of the cross section of multiconductor mesh contact part of the conductive filament of ellipse
Cause；
Cross section is tangential consistent with the cross section of multiconductor mesh contact part for the cross section long side direction of the conductive filament of kidney-shaped；
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 multiconductor mesh contact part did destressing heat treatment；The material of the conductive filament
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 hair
The difference of bright application scenarios, the material of the conductive filament, the material of the coating surface of conductive filament are not limited to say in the present embodiment
Bright specific material, can also be that others can realize the material of conducting function.
Embodiment 1-1
Based on embodiment 1, such as Fig. 1（a）Shown, in the present embodiment, the multi-contact elastomeric contact element 1 is led by each line style
What axis line tracking of the electric part 11 along setting was formed after being cross-woven through spiral, and the number of plies of multi-contact elastomeric contact element 1
For individual layer or multilayer.
According to actual products application conditions of demand, the shape of the multi-contact elastomeric contact element can for linear,
Annular（Including annular and oval ring）, rectangle, arc, any of spiral shape；Foregoing variously-shaped multiconductor bullet
The shape of the axis line tracking of property contact element is respectively linear, annular（Including annular and oval ring）, rectangle, arc
Shape, spiral shape；The structural representation of circle multiconductor cyclic spring contact element is shown in Fig. 3（a）；Arc multiconductor cyclic spring is contacted
The structural representation of element is shown in Fig. 3（b）；The structural representation of spiral shape multi-contact elastomeric contact element is shown in Fig. 3（c）；In difference
Application environment under, the axis trajectory different by setting obtains the multi-contact elastomeric contact element of different profiles, in the past
State and analogize, just no longer exhaustion is repeated one by one here.
In the present embodiment, in order to meet different application demands, the radial section of the multi-contact elastomeric contact element 1
（That is cross section, similarly hereinafter）Shape can be circular, ellipse, arc（Preferably circular arc or ellipse arc）, rectangle（It is excellent
Elect rectangle or square as）, 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 circle is in the first track, formation is radial section（That is cross section, similarly hereinafter）Be shaped as circle touch
Point elasticity contact element；When the first track for ellipse when, formation be radial section be shaped as ellipse multiconductor bullet
Property contact element；When the first track be arc when, formation be radial section the multi-contact elastomeric contact element for being shaped as arc
Part；When the first track be rectangle when, formation be radial section the multi-contact elastomeric contact element for being shaped as rectangle；When first
Track be kidney-shaped when, formation 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 spiral shape；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 is a multiconductor flat board net
Shape elastic 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, including multi-contact elastomeric contact element 1 and support member 2, the support member 2 are interior located at multi-contact elastomeric contact element 1
Portion, is contacted with the inwall of multi-contact elastomeric contact element 1, and the inwall of support member 2 and multi-contact elastomeric contact element 1 is part
Laminating or all laminating.
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 multi-contact elastomeric contact element 1 is linear, arc, spiral shape, the two ends point of support member 2
Open；When the axis line tracking that multi-contact elastomeric contact element 1 is is annular, rectangle, the two ends of support member 2 are connected.
When support member 2 is fitted with the inner wall section of multi-contact elastomeric contact element 1, the radial dimension of support member 2 is less than
The radial dimension of multi-contact elastomeric contact element 1；And when the multi-contact elastomeric contact element is shaped as linear, annular, square
When any of shape, arc, spiral shape, the extension track of support member 2 is in linear, annular, rectangle, arc, spiral shape
It is any, the extension track of support member 2 is engaged with the shape of multi-contact elastomeric contact element.
Preferably, when support member 2 is fitted with the inner wall section of multi-contact elastomeric contact element 1, support member 2 is arranged on many
The working face of contact elastic contact element（It is used for the face electrically connected with the formation of other connector contacts）On the madial wall on opposite.
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, and cost is low, 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, including multi-contact elastomeric contact element 1 and the cold conduit 3 of liquid；
The multi-contact elastomeric contact element 1 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 crest 1a formation multi-contact elastomerics contact element 1 of each line style electric-conductor 11, each line style is conductive
The interior enveloping surface C of the trough 1b formation multi-contact elastomerics contact element 1 of part 11.
The multi-contact elastomeric contact element 1 can be selected and is shaped as in embodiment 1-1 in linear, arc, spiral shape
Any multi-contact elastomeric contact element 1, multi-contact elastomeric contact element 1 is by each line style electric-conductor along in setting
What axis line track was formed after being cross-woven through spiral, the multi-contact elastomeric contact element 1 that can also be selected in embodiment 1-2.I.e.
Multi-contact elastomeric contact element 1 has two free ends, for inserting the cold conduit of liquid so that the cold conduit of liquid can be with extraneous liquid
Cooling system is connected.
When multi-contact elastomeric contact element 1 uses trajectory in embodiment 1 for circular or rectangle class enclosed construction
, it is necessary to be punched on multi-contact elastomeric contact element during elastic contact element so that the cold conduit 3 of liquid can be connected with liquid cooling system
The cold conduit 3 of liquid is inside multi-contact elastomeric contact element 1, and the cold conduit 3 of liquid is used to be connected with liquid cooling system, with logical
Enter liquid cooling medium, using the continuous circulation of liquid cooling medium, take away the heat in multiconductor mesh contact part；
The cold conduit 3 of liquid is fitted or all laminatings with the inner wall section of multi-contact elastomeric contact element 1, while playing support and dropping
The effect of temperature.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 arranged on multiconductor
The working face of elastic contact element（It is used for the face electrically connected with the formation of other connector contacts）On the side wall on opposite, for limiting
The movement travel distance of working face processed.
In the present embodiment, the position relationship and support member in embodiment 3 of the cold conduit 3 of liquid and multi-contact elastomeric contact element 1
It is identical with the position relationship of multi-contact elastomeric contact element 1.
In order to improve this heat dispersion, multiple cold conduits 3 of liquid can also be set in multi-contact elastomeric contact element 1, respectively
The cold conduit of liquid is used to be connected with liquid cooling system, is passed through liquid cooling medium, using the continuous circulation of liquid cooling medium, takes away in contact
Heat, in such a case, it is possible to by the two ends of the cold conduit of each liquid using the adapter provided with multiple through holes come with it is extraneous
Liquid cooling system is connected.Wherein, the combination of the cold conduit group of the liquid of the cold conduit of multiple liquid uses combination of the prior art,
For example, parallel bundle of multiple cold conduits of liquid forms the structures such as the cold conduit group of a liquid, just no longer it is described in detail here.
Embodiment 4
As shown in figure 9, a kind of electric connector with multiconductor cyclic spring contact element of the present invention, including conductive pin sheet
Body 4, at least one multiconductor cyclic spring contact element 5, the outer wall of conductive pin body 4, which is provided with, to be used to install multiconductor ring
The mounting groove 41 of shape elastic contact element 5, the inwall of multiconductor cyclic spring contact element 5 respectively with conductive pin body 4
The outer wall formation multiconductor electrical connection of mounting groove 41；
Several line style electric-conductors 11 form such as Fig. 1 according to above-described embodiment after interlacing（a）Shown multi-contact elastomeric
Contact element, multi-contact elastomeric contact element forms such as Fig. 3 along annular trace line（a）The multiconductor annular of shown loop configuration
Elastic contact element 5；
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）；
Wherein, the external envelope face of the crest 1a formation multiconductor cyclic springs contact element 5 of each line style electric-conductor 11, each line style is led
The interior enveloping surface of the trough 1b formation multiconductor cyclic springs contact element 5 of electric part 11.
The side wall of multiconductor cyclic spring 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 electric-conductor 11
Quantity be at least 3,2 line style electric-conductor hands of spiral of wherein at least are identical and are parallel to each other, at least one line style electric-conductor
The hand of spiral with foregoing at least two line style electric-conductor on the contrary, and carrying out spirals with them and being cross-woven to form multiconductor ring
Shape elastic contact element 5.
Or each line style electric-conductor 11 is arc, the multiconductor cyclic spring contact element 5 is via each line style
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
Line style electric-conductor is in the same direction and parallel, and at least one line style electric-conductor is used to be handed over two-by-two with line style electric-conductor in the same direction and parallel
Fork is knitted to form multiconductor cyclic spring 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 multiconductor cyclic spring 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 multiconductor cyclic spring contact element 7 is formed by several line style electric-conductors 11 after interlacing；
Each line style electric-conductor 11 is corrugated；
Multiconductor cyclic spring 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 more with least one
Contact elastic contact element 1；
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 crest 1a formation multi-contact elastomerics contact element 1 of each line style electric-conductor 11, each line style is conductive
The interior enveloping surface C of the trough 1b formation multi-contact elastomerics contact element 1 of part 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；Multiconductor
Elastic contact element 1 is connected in above-mentioned clamping gap so that the sidepiece of multi-contact elastomeric contact element 1 and the phase of plate-like body 81
Contact.
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 multi-contact elastomeric contact element 1 uses trajectory for any of circle, ellipse, arc, rectangle shape
Multi-contact elastomeric contact element when, be respectively provided with center blocked hole E, the block tongue 82 runs through multi-contact elastomeric contact element, card
Tongue 82 is caught in the center blocked hole E of multi-contact elastomeric contact element 1 so that between multi-contact elastomeric contact element 1 and substrate 8
The structure of two-way clamping is formed, stability and reliability are further enhanced；This design is equally applicable to other more tactile
The trajectory of point elasticity contact element is the situation of enclosed construction.
When multi-contact elastomeric contact element 1 uses trajectory for the multi-contact elastomeric contact element of straight line, the block tongue
82 are caught in the inside of multi-contact elastomeric contact element 1, are contacted with the inwall of multi-contact elastomeric contact element 1, and block tongue 82 is through more
The inside of contact elastic contact element 1.
Figure 11 illustrate only the attachment structure of multi-contact elastomeric contact element 1 and a substrate 8, be carried out to two plates
During electrical connection, then with same multi-contact elastomeric contact element 1 simultaneously with two substrates being oppositely arranged 8 with the knot shown in Figure 11
Structure is attached, i.e., multi-contact elastomeric contact element 1 is located between the plate-like body 81 of two substrates 8, the block tongue of two substrates 8
82 are caught in the center blocked hole of multi-contact elastomeric contact element 1 or are caught in simultaneously the inside of multi-contact elastomeric contact element 1,
Realize the electrical connection between substrate 8.
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 appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of electric connector with multiconductor cyclic spring contact element, it is characterised in that：Including conductive pin body, extremely
A few multiconductor cyclic spring contact element, the conductive pin body outer wall, which is provided with, to be used to install the multiconductor annular elastomeric
The mounting groove of property contact element, the mounting groove of the inwall of the multiconductor cyclic spring contact element respectively with conductive pin body
Outer wall formation multiconductor electrical connection；
Also include several line style electric-conductors；
All line style electric-conductors form multi-contact elastomeric contact element, the multi-contact elastomeric contact element after interlacing
The multiconductor cyclic spring contact element is formed along the annular trace line of setting；
Each line style electric-conductor is corrugated；
Wherein, the external envelope face of the crest formation multiconductor cyclic spring contact element of each line style electric-conductor, each line style electric-conductor
Trough formation multiconductor cyclic spring contact element interior enveloping surface.
2. a kind of electric connector with multiconductor cyclic spring contact element according to claim 1, it is characterised in that：
The cross section of the multi-contact elastomeric contact element is shaped as any of circle, ellipse, rectangle, kidney-shaped.
3. a kind of electric connector with multiconductor cyclic spring contact element according to claim 1, it is characterised in 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；The number of line style electric-conductor
Amount 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；The spiral shell of at least one line style electric-conductor
Rotation direction is with foregoing at least two line style electric-conductor on the contrary, and being cross-woven to form multiconductor annular elastomeric with their progress spirals
Property contact element.
4. a kind of electric connector with multiconductor cyclic spring contact element according to claim 3, it is characterised in that：
The quantity of the line style electric-conductor is even number, wherein left-handed electric-conductor is identical with the number of dextrorotation electric-conductor.
5. a kind of electric connector with multiconductor cyclic spring contact element according to claim 1, its feature exists
In：Also include support member, the support member is located at the inside of multiconductor cyclic spring contact element, connect with multiconductor cyclic spring
Touch the inner wall section of element or all laminatings；The number of plies of the line style electric-conductor is individual layer or multilayer.
6. a kind of electric connector with multiconductor cyclic spring contact element according to claim 1, it is characterised in that：
The line style electric-conductor is single electrical silk；Or the line style electric-conductor is that 2-5 root conductive filament process is formed.
7. a kind of electric connector with multiconductor cyclic spring contact element according to claim 1, it is characterised in that：
The line style electric-conductor is from the inside to the outside sequentially provided with central core and the outer layer for surrounding central core, and central core includes single or many
The silk of laminating；Outer layer part includes multi-filament.
8. a kind of electric connector with multiconductor cyclic spring contact element according to claim 7, it is characterised in that：
It is the individual thread diameter of the outer layer that the gap between gap, the multi-filament of the outer layer is provided between the multi-filament of the outer layer
0.1-0.4 times.
9. a kind of electric connector with multiconductor cyclic spring contact element according to claim 7, it is characterised in that：
Gap between the multi-filament of the outer layer is 0.2 times of the individual thread diameter of the outer layer.
10. a kind of electric connector with multiconductor cyclic spring contact element according to claim 7, its feature exists
In：The line style electric-conductor is three layers of twisted wire structure, including central core, outer layer and the centre between central core and outer layer
Layer, the process direction of the silk of outer layer and the process of the silk in intermediate layer are in opposite direction；Silk in central core, intermediate layer and outer layer
Spiral angle sequentially reduces.
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| CN201611191851.4A CN107039815A (en) | 2016-12-21 | 2016-12-21 | A kind of electric connector with multiconductor cyclic spring contact element |
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| CN201611191851.4A CN107039815A (en) | 2016-12-21 | 2016-12-21 | A kind of electric connector with multiconductor cyclic spring contact element |
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| CN101682137A (en) * | 2008-04-14 | 2010-03-24 | 三菱电机株式会社 | Contactor |
| 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 |
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2016
- 2016-12-21 CN CN201611191851.4A patent/CN107039815A/en active Pending
Patent Citations (4)
| 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 |
| 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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