CN106785550A - Electric connector with contact pin contacting piece - Google Patents
Electric connector with contact pin contacting piece Download PDFInfo
- Publication number
- CN106785550A CN106785550A CN201611190293.XA CN201611190293A CN106785550A CN 106785550 A CN106785550 A CN 106785550A CN 201611190293 A CN201611190293 A CN 201611190293A CN 106785550 A CN106785550 A CN 106785550A
- Authority
- CN
- China
- Prior art keywords
- contact element
- elastic contact
- outer layer
- contact
- trajectory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
- H01R13/04—Pins or blades for co-operation with sockets
-
- 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
Abstract
A kind of electric connector with contact pin contacting piece, including contact pin contacting piece, the contact pin contacting piece include conductive pin, at least one elastic contact element, and the conductive pin outer wall is provided with the holding tank for installing elastic contact element；The elastic contact element includes multiple unit helical rings, and multiple unit helical rings join end to end successively along a trajectory；By line style electric conductor around forming, the cross sectional shape of elastic contact element is bielliptic(al) shape structure to the unit helical ring；Wherein, the trajectory is shaped as spirality.A kind of electric contact piece with elastic contact element that the present invention is provided, increased one times of contact point quantity, and in the case of constant in the area of section of line style electric conductor, current capacity improves one times；In the case that current capacity is constant, the area of section of line style electric conductor diminishes, so as to save cost.
Description
Technical field
The present invention relates to technical field of electric connectors, more particularly to a kind of electric connector with contact pin contacting piece.
Background technology
In electrical connectors, the contact area of electrical connection is an important indicator for measurement connection reliability, especially work
Make the electric connector under high current.In the prior art, electrical connection typically all is contacted using many fingertips of single-wire helix spring,
The publication for retrieving includes：The patent application document of Publication No. CN102427180A discloses a kind of spring touch finger, inserts
Seat and jack system, wherein, spring touch finger includes spring wire, and the spring wire is unit along oblique elliptical orbit spiral surrounding
Ring, the unit ring along axis bidirectional screw around being made as oblique double laminated spring fingertip, so as to realize electrical connection.But use this
The contact point of the unit ring that structure is encompassed when electrical connection is realized, due to its spring wire only has one, so as to cause finished product
Contact point is few, and current capacity is poor.
The content of the invention
In view of the shortcomings of the prior art, the purpose of the present invention is that there is provided a kind of electricity with contact pin contacting piece
Connector, increased one times of contact point quantity, and in the case of constant in the area of section of line style electric conductor, current capacity is carried
One times is risen；In the case that current capacity is constant, the area of section of line style electric conductor diminishes, so as to save cost.
To achieve these goals, the technical solution adopted by the present invention is such：
A kind of electric connector with contact pin contacting piece, including contact pin contacting piece, the contact pin contacting piece include conductive pin, extremely
A few elastic contact element, the conductive pin outer wall is provided with the holding tank for installing elastic contact element；The elasticity
Contact element includes multiple unit helical rings, and multiple unit helical rings join end to end successively along a trajectory；The unit
By line style electric conductor around forming, the cross sectional shape of elastic contact element is bielliptic(al) shape structure to helical ring；Wherein, the track
Line is shaped as spirality.
As a kind of preferred scheme, the side of the bielliptic(al) shape structure is fixed contact, opposite side for can deformation connect
Contact portion, the fixed contact include at least one salient point, can deformation contact site include at least two salient points.
As a kind of preferred scheme, between the tangent plane and trajectory tangent line of each unit helical ring angle be less than or
Equal to 90 degree.
Used as a kind of preferred scheme, the line style electric conductor is single electrical silk；Or the line style electric conductor is by 2-5
Root conductive filament process is formed.
Used as a kind of preferred scheme, the line style electric conductor is sequentially provided with central core and surrounds the outer of central core from the inside to the outside
Layer, central core includes the single or many silk of laminating；Outer layer includes multi-filament.
As a kind of preferred scheme, gap is provided between the multi-filament of the outer layer, between the multi-filament of the outer layer
Gap is the individual thread diameter of the outer layer（0.1-0.4）Times；Preferably, the gap between the multi-filament of the outer layer is outer for this
0.2 times of the individual thread diameter of layer.
Used as a kind of preferred scheme, the line style electric conductor is three layers of twisted wire structure, including central core, outer layer and is located at
The process of the silk in the intermediate layer between central layer and outer layer, the process direction of the silk of outer layer and intermediate layer is in opposite direction；Central core,
The spiral angle of the silk in intermediate layer and outer layer sequentially reduces.
Used as a kind of preferred scheme, also including support member, the support member is in the electric contact piece of elastic contact element
Portion.
Used as a kind of preferred scheme, the support member outer wall is all fitted with the inwall of elastic contact element or part is pasted
Close, for supporting elastic contact element.
Compared with prior art, beneficial effects of the present invention：A kind of being electrically connected with contact pin contacting piece that the present invention is provided
Device is connect, one times of contact point quantity is increased, in the case of constant in the area of section of line style electric conductor, current capacity lifting
One times；In the case that current capacity is constant, the area of section of line style electric conductor diminishes, so as to save cost, can make
Obtain electric contact piece and take up room and diminish.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of electric contact piece with elastic contact element of the invention；
Fig. 2 is elastic contact element schematic cross-section one in embodiments of the invention 1；
Fig. 3 is elastic contact element schematic cross-section two in embodiments of the invention 1；
Fig. 4 is elastic contact element current trend figure when being electrically connected in embodiments of the invention 1；
Fig. 5 is the elastic contact element schematic cross-section with connection arc portion in embodiments of the invention 1；
Fig. 6 is that trajectory is that the structure of the circular electric contact piece with elastic contact element is shown in embodiments of the invention 1-1
It is intended to；
Fig. 7 be in embodiments of the invention 1-2 trajectory for the structure of the electric contact piece with elastic contact element of straight line is shown
It is intended to；
Fig. 8 be in embodiments of the invention 1-3 trajectory for the structure of the electric contact piece with elastic contact element of arc is shown
It is intended to；
Fig. 9 be embodiments of the invention 1-4 in trajectory be the spiral electric contact piece with elastic contact element structure
Schematic diagram；
Figure 10 is elastic contact element circular the second helical trajectory and axis structure schematic diagram in embodiments of the invention 1-4；
Figure 11 is that trajectory is angle between straight line and unit helical ring tangent plane and trajectory tangent line in embodiments of the invention 1-5
Less than 90 degree of schematic diagrames；
Figure 12 is that trajectory is angle between straight line and unit helical ring tangent plane and trajectory tangent line in embodiments of the invention 1-6
Equal to 90 degree of schematic diagrames；
Figure 13 is the sectional view of unit spiral looped cord electric conductor, wherein：
Figure 13（a）Centered on layer part be single electrical silk, the overall structure that outer layer part has many line style electric conductors of conductive filament shows
It is intended to；
Figure 13（b）Centered on layer part be single electrical silk, outer layer part has many sectional views of the line style electric conductor of conductive filament；
Figure 14 is the sectional view of unit spiral looped cord electric conductor, wherein：
Figure 14（a）Centered on layer part be many conductive filaments, the overall structure that outer layer part has many line style electric conductors of conductive filament shows
It is intended to；
Figure 14（b）Centered on layer part be many conductive filaments, outer layer part has many sectional views of the line style electric conductor of conductive filament；
Figure 15 is the radial direction vertical cut-away schematic view containing support member in embodiments of the invention 2-1；
Figure 16 is the radial direction vertical cut-away schematic view containing built-in liquid cooling medium in embodiments of the invention 3-1；
Figure 17 is a kind of structural representation of the electric connector with jack contact in embodiments of the invention 4；
Figure 18 is a kind of structural representation of the electric connector with contact pin contacting piece in embodiments of the invention 5；
Figure 19 is a kind of structural representation of electric connector system in embodiments of the invention 6；
Figure 20 is the structural representation of another electric connector system in embodiments of the invention 6；
Figure 21 is a kind of structural representation of electric connector with elastic contact element between plate in embodiments of the invention 7
Figure.
Specific embodiment
With reference to specific embodiment, the invention will be further described.Following examples are only used for clearly illustrating
Technical scheme, and can not be limited the scope of the invention with this.
Embodiment 1：
A kind of electric contact piece with elastic contact element, increased one times of contact point quantity, when cutting in line style electric conductor 3
In the case that face area is constant, current capacity improves one times；In the case that current capacity is constant, the section of line style electric conductor
Area diminishes, so as to save cost, it is also possible to so that electric contact piece takes up room diminishing.
It is as shown in Figure 1 a kind of overall structure diagram of the electric contact piece with elastic contact element, including elastic connecting
Touch element 1, the elastic contact element 1 includes multiple unit helical rings 2, multiple unit helical rings 2 along a trajectory according to
It is secondary to join end to end；By line style electric conductor 3 around forming, the cross sectional shape of elastic contact element 1 is double ellipse to the unit helical ring 2
Circular configuration；Wherein, the cross sectional shape of the elastic contact element 1 is more specifically for the external envelope face of elastic contact element 1 is enclosed
Into entity cross section；The side of the bielliptic(al) shape structure be fixed contact, opposite side for can deformation contact site, it is described
Fixed contact include at least one salient point, can deformation contact site include at least two salient points.
More specifically, as shown in Fig. 2 the bielliptic(al) shape structure includes：The first oval elliptic arc of arc portion 21 and second
Portion 22, the first free end 211 of the described first oval arc portion 21 and the smooth company in the second free end 221 of the second oval arc portion 22
Connect, the 3rd free end 212 of the described first oval arc portion 21 is smoothly connected with the 4th free end 222 of the second oval arc portion 22；
On the minor axis of the described first oval arc portion 21, wherein side be first can deformation contact site 213, opposite side be first to fix
Contact site 214；On the minor axis of the described second oval arc portion 22, wherein side is for second can deformation contact site 223, opposite side
It is the second fixed contact 224；The long axis of the described first oval oval arc portion 22 of arc portion 21 and second are on same straight line,
Meanwhile, the distance of summit 23 to central point of the first oval oval arc portion 22 of arc portion 21 or second on envelope circle is ellipse more than first
The length of the minor axis of the oval arc portion 22 of arc sections 21 or second；In specific application process, described first can deformation contact site
213 and second can deformation contact site 223 as contact point, for other to need the device for realizing electrically connecting with contact pin, jack etc.
It is engaged and uses.
As another embodiment, as shown in figure 3, the bielliptic(al) shape structure includes：First oval arc portion 21 and the
Two oval arc portions 22, first free end 211 and the second free end 221 of the second oval arc portion 22 of the described first oval arc portion 21
It is smoothly connected, the 3rd free end 212 of the described first oval arc portion 21 is smooth with the 4th free end 222 of the second oval arc portion 22
Connection；On the minor axis of the described first oval arc portion 21, wherein side is for first can deformation contact site 213；Described second
On the minor axis of oval arc portion 22, wherein side be second can deformation contact site 223, and second can deformation contact site 223 and the
One can deformation contact site 213 be in the same side；3rd free end 212 of the described first oval arc portion 21 and the second oval arc portion 22
The 4th free end 222 be smoothly connected, and its junction formed a fixed contact 214（224）；Described first oval arc portion 21
Long axis with the second oval arc portion 22 are on same straight line, meanwhile, the first oval oval arc portion 22 of arc portion 21 or second exists
Summit 23 on envelope circle is more than the length of the minor axis of the first oval oval arc portion 22 of arc portion 21 or second to the distance of central point
Degree, in specific application process, described first can deformation contact site 213 and second can deformation contact site 223 as contact point, use
In other need to realize that the device contacts for electrically connecting are used cooperatively with contact pin, jack etc..
Foregoing envelope circle is justified for the external envelope in the section of elastic contact element 1（That is circumcircle）, foregoing trajectory can be with
It is positioned at the trajectory of the outside of the electric contact piece with elastic contact element 1, or positioned at elastic contact element 1
Electric contact piece inside trajectory；Preferably, multiple unit helical rings 2 along cross its central point 25 trajectory successively head and the tail
It is connected；In the present embodiment, central point 25 is defined as：The described first oval oval arc portion 22 of arc portion 21 and second is set to justify in envelope
On summit 23 between line be line long, to set and put 25 centered on line midpoint long.
In application process, it is expanded on further based on bielliptic(al) shape structure as described in Figure 2, as shown in figure 4, work as using
When the first connector 291 and the second connector 292 are electrically connected, first can be on deformation contact site 213 electric current along I1
Direction at the first fixed contact 214, second can be on deformation contact site 223 electric current fix contact along I2 directions to second
At portion 224, due to first can deformation contact site 213 and second can not there is no electric current to pass through between deformation contact site 223, first fix
There is no electric current to pass through between the fixed contact 224 of contact site 214 and second, therefore when the area of section in line style electric conductor 3 is constant
In the case of, current capacity improves one times；In the case that current capacity is constant, the area of section of line style electric conductor diminishes,
So as to save cost, take up room and diminish.
As shown in figure 5, as a kind of preferred scheme, the first free end 211 and second of the described first oval arc portion 21
Second free end 221 of oval arc portion 22 can be smoothly connected by least one connection arc portion 28, the connection arc portion 28 it is prominent
Portion with first can deformation contact site 213, second can deformation contact site 223 be same direction.
Further, multiple unit helical rings 2 join end to end the elastic contact element 1 to be formed successively along a trajectory
Can be enclosed construction, when for enclosed construction, the trajectory can be any one in circular, oval, rectangle,
Trajectory when certainly for enclosed construction is not limited to foregoing several, can also be on demand other rails during practical application
Trace, such as triangle, rhombus etc., just no longer exhaustion is repeated one by one here.
Used as a preferred embodiment of the present invention 1-1, trajectory as shown in Figure 6 is circular with elastic contact element
Electric contact piece structural representation, when trajectory for it is circular when, elastic contact element 1 is that annular carries elastic contact element
Electric contact piece, can be used to be used cooperatively with jack and contact pin.
Further, multiple unit helical rings 2 join end to end the elastic contact element 1 to be formed successively along a trajectory
Can be non-enclosed structure, when for non-enclosed structure, the trajectory can be in straight line, circular arc, spirality
Any one, trajectory when certainly for non-enclosed structure is not limited to foregoing several, during practical application, can also be on demand
Other trajectories, such as V-arrangement, waveform etc., just no longer exhaustion is repeated one by one here.
Used as a preferred embodiment of the present invention 1-2, trajectory as shown in Figure 7 is straight line with elastic contact element
Electric contact piece structural representation, when trajectory be straight line when, elastic contact element 1 be linear carry elastic contact element
Electric contact piece, can be used for the electrical connection with plate and plate, such as between two pcb boards.
Used as a preferred embodiment of the present invention 1-3, trajectory as shown in Figure 8 is arc with elastic contact element
Electric contact piece structural representation, when trajectory be arc when, elastic contact element 1 is with two arcuate zones of free end
The electric contact piece of flexible contact element.
Used as a preferred embodiment of the present invention 1-4, trajectory as shown in Figure 9 is for spiral with Elastic Contact unit
The structural representation of the electric contact piece of part, when trajectory is spirality, elastic contact element 1 is with two spiral shells of free end
Electric contact piece of the rotation shape with elastic contact element.
More specifically, along bielliptic(al) multi-track spiral around being unit helical ring 2, bielliptic(al) track is line style electric conductor 3
First helical trajectory, is as shown in Figure 10 the helical trajectory line of elastic contact element 1, and the helical trajectory line is a two-way rail
Mark, is the second helical trajectory 26 that unit helical ring 2 is followed, and the axis 27 in figure is the axis 27 of the second helical trajectory 26；Institute
Unit helical ring 2 is stated while along the shaping of the first helical trajectory for unit helical ring 2 again with axis 27 along the second spiral track
The two-way spirality elastic contact element 1 of 26 spiralization of mark one.
Under different applied environments, the first with Elastic Contact of different profiles is obtained by setting different trajectories
The electric contact piece of part, is analogized with foregoing, and just no longer exhaustion is repeated one by one here.
Wherein, as a preferred embodiment of the present invention 1-5, each described tangent plane of unit helical ring 2 is cut with trajectory
Angle is less than 90 degree between line, is easy to actual production, and the shape of the tangent plane of constituent parts helical ring 2 can be with identical, it is also possible to no
Together.It is as shown in figure 11 the tangent plane of unit helical ring 2 and trajectory tangent line so that the trajectory of elastic contact element 1 is as straight line as an example
Between angle be less than 90 degree schematic diagrames, the first point A1 at the contact point on the single unit helical ring 2 of definition（Such as foregoing first
Can deformation contact site 213 or second can at deformation contact site 223 cross section central point）As the spiral surrounding of unit helical ring 2
Initial point, second point A2 is unit spiral shell at contact point on next unit helical ring 2 for being connected with this unit helical ring 2 of definition
The terminal of the spiral surrounding of ring 2 is revolved, thirdly B is what is obtained from the first point A1 spiral surrounding 180 degrees on unit helical ring 2 for definition
Point；Wherein, the anglec of rotation between the first point A1 and second point A2 is 360 degree.In the line of the first point A1 and second point A2
Select the tangent plane for unit helical ring 2 with the face vertical with paper (relative to active view) where the line between thirdly B.
The electric contact piece with elastic contact element with the foregoing trajectory that can analogize elastic contact element 1 as other shapes, this
In just no longer exhaustion is repeated one by one.
This radial elastic power for being designed to substantially reduce elastic contact element 1, so that reduce contact engaging and separating force, when multiple bullets
Property contact element 1 is assembled into same a connector, can so be met connector and be wanted reasonable request.
Further, as another preferred embodiment 1-6 of the invention, the tangent plane of each unit helical ring 2 with
Angle is equal to 90 degree between trajectory tangent line.It is unit spiral shell so that the trajectory of elastic contact element 1 is as straight line as an example, shown in Figure 12
Angle is equal to 90 degree of schematic diagrames, tangent plane and the foregoing implementation of the unit helical ring 2 between revolving the tangent plane and trajectory tangent line of ring 2
Definition in example 1-5 is identical, is not just repeating one by one here.It is with the foregoing trajectory that can analogize elastic contact element 1
The electric contact piece with elastic contact element of other shapes, just no longer exhaustion is repeated one by one here.
In all embodiments of the invention, the line style electric conductor is single electrical silk；Or the line style is conductive
Body is formed by 2-5 root conductive filament process.
It is highly preferred that the line style electric conductor is sequentially provided with central core and surrounds the outer layer of central core, center from the inside to the outside
Layer includes the silk that individual thread or 2-5 roots are fitted, and outer layer includes multi-filament.Further, the line style electric conductor is by least 6
The sandwich construction that silk is stranding into, gap is provided between many of outer layer, and the silk in the outermost outer layer of line style electric conductor is
Conductive filament, is further, between the silk of adjacent layer to be brought into close contact.
Wherein, the gap between the multi-filament of outer layer is the individual thread diameter of the outer layer（0.1-0.4）Times；More preferably
Ground, the gap between the multi-filament of outer layer is 0.2 times of the individual thread diameter of the outer layer.
It is highly preferred that the electric-conductor is three-decker, central core, intermediate layer and outer layer are provided with from the inside to the outside；Outer layer bag
Multi-filament is included, the silk in outer layer is conductive filament, and gap is provided between the multi-filament of outer layer；Central core includes individual thread or 2-5 roots
The silk of laminating；The silk in central core and intermediate layer is conductive filament or structural filaments, is to be brought into close contact between the silk of adjacent layer.
Preferably, the line style electric conductor of the three-decker, outer layer includes 15 silks, between outer layer and the centre of central core
Layer includes 9 silks, and central core includes 3 silks of laminating.
In a kind of actual application, such as Figure 13（a）And Figure 13（b）Shown, the central core part of line style electric conductor is set to list
Root conductive filament, outer layer part sets 6 conductive filaments.
In actual another application, the line style electric conductor can also be set to three layers of twisted wire structure, line style electric conductor
Central core part, intermediate layer part and outer layer part are sequentially provided with from the inside to the outside；Preferably, the silk of central core part is provided with 1-5 roots, intermediate layer
The silk of part is provided with 5-12 roots, and the silk of outer layer part is provided with 10-18 roots；The spiral angle of the silk on the central core part is 80-85 degree,
The spiral angle of the silk on the part of intermediate layer is 65-78 degree, and the spiral angle of the silk on outer layer part is 45-60 degree.It is highly preferred that such as
Figure 14（a）- Figure 14（b）Shown, central core part includes 3 silks of laminating, and outer layer part includes 15 silks, and intermediate layer part includes 9
Silk, wherein, D is the diameter dimension of line style electric conductor, and d is the diameter dimension of single electrical silk, and Δ is many of same outer layer part
Gap is provided between silk.Preferably, the silk nominal diameter of each layer part meets：0.91d1≤d2≤1.1d1,0.91d1≤d3≤
Each nominal diameter of silk of layer part centered on 1.1d1, wherein d1, d2 is each nominal diameter of silk of intermediate layer part, and d3 is outer layer
Each nominal diameter of silk of part.
Preferably, the diameter difference of the silk of each layer part is equal, such as Figure 14（a）- Figure 14（b）It is shown, the silk of each layer part it is straight
Footpath is all equal.
Preferably, the tolerance of the diameter of the silk of each layer part is this layer ± the 20% of silk nominal diameter.
When foregoing line style electric conductor is sequentially provided with central core from the inside to the outside and surrounds the outer layer of central core, according to application
Scene needs, and the silk in central core can be conductive filament or structural filaments, the silk in the outermost outer layer of line style electric conductor
It is conductive filament, the material of the silk of other outer layers between central core and outermost outer layer can be with identical, it is also possible to different,
Can be conductive filament, or the structural filaments without electric conductivity；Conductive filament, preferred material be copper free wire, tin bronze wire or
Beryllium-bronze silk；When the silk of the central core of strand wire structure is structural filaments, preferred material is high-strength material, such as stainless steel wire；
Three layers or more the silks in the intermediate layer of layer twisted wire structure, preferred material is copper alloy silk or aluminum-alloy wire.
The cross section of the line style electric conductor that many conductive filaments in the present invention are stranding into for circular or oval or rectangle or
Kidney-shaped.
Had the following effects that using the line style electric conductor in the present invention：
（1）Increase current capacity, so that temperature rise is lower, and under equal current capacity, many sections of conductive filament are led less than single
Electrical filament, material-saving；
（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 part A, intermediate layer part B and outer layer part C）Line style it is conductive
Body, manufactures the electric contact piece of a diameter of 12mm, wherein, central core part includes 3 silks of laminating, and outer layer part includes 15 silks, in
Interbed part includes 9 silks, and the spiral angle of the silk on central core part is 80 degree, and the spiral angle of the silk on the part of intermediate layer is 68
Degree, when the spiral angle of the silk on outer layer part is 55 degree, d=0.05mm, D=0.31mm, △=0.004mm, compared to prismatic
The line style electric conductor that single electrical silk is constituted, its current capacity is improved and is more than 20%, and temperature rise declines more than 30%, and snap-in force can decline
More than 40%, connect-disconnect life improves more than 10 times.
Embodiment 2：
In order to improve the steadiness of the electric contact piece with elastic contact element of the invention, prevent due to the conduction that deformation is caused
Hydraulic performance decline, in the present embodiment, the difference with embodiment 1 is：The elastic contact element 1 also includes support member 4, the branch
Support member 4 is arranged at the inside of elastic contact element 1, and further, the outer wall of the support member 4 is interior with elastic contact element 1
Wall part is fitted or all laminatings, for supporting elastic contact element 1.
Wherein, as a preferred embodiment of the present invention 2-1, as shown in figure 15, the support member 4 is first with Elastic Contact
The inwall contact of part 1, wherein support member 4 are used to support the first fixed contact, second fixed contact of elastic contact element 1
224, during concrete application, support member 4 causes the first fixed contact 214 and the second fixed contact 224 and contact pin etc., and other are needed
Realize the device into intimate laminating of electrical connection.
Support member of the invention 4 can be selected arbitrarily play prevents the electric contact piece deformation with elastic contact element
Object, can using conductive energy electric conductor, it would however also be possible to employ the insulating part without electric conductivity.
Preferably, in the present embodiment, plastic insulation part of the selection with hollow structure of support member 4, low cost, effect is good.
Wherein, the cross section of support member 4 is circular or rectangle, can also be other shapes, be will not be described here.
Embodiment 3：
When electric contact piece works long hours under high current or long-time is in running order, many heats can be all produced,
So that the temperature inside electric contact piece gradually rises, but high temperature can have a huge impact to the electric conductivity of electric contact piece,
Accordingly, it would be desirable to a kind of electric contact piece with elastic contact element of built-in liquid cooling medium, can be in the mistake of electric contact piece work
Cheng Zhong, constantly takes away the device of electric contact piece internal heat, it is ensured that the temperature inside electric contact piece is constant, so that it is guaranteed that electrical contact
The satisfactory electrical conductivity of part.
The present embodiment is with the difference of embodiment 1：Described a kind of built-in liquid cooling medium with elastic contact element
Electric contact piece, including elastic contact element 1 and the cold conduit 5 of liquid；Inside elastic contact element 1, liquid is cold to lead the cold conduit 5 of liquid
Pipe 5 is used to be connected with liquid cooling system, to be passed through liquid cooling medium（Such as coolant）, using the continuous circulation of liquid cooling medium, take away
Heat in electric contact piece with elastic contact element；Wherein, elastic contact element 1 can be using described in embodiment 1
Non-enclosed structure, the i.e. trajectory of elastic contact element 1 can be any one in straight line, circular arc, spirality, be certainly
Trajectory during non-enclosed structure is not limited to foregoing several, can also be on demand other trajectories during practical application,
Such as V-arrangement, waveform etc., just no longer exhaustion is repeated one by one here；Further, elastic contact element 1 can also be used
The trajectory of the enclosed construction described in embodiment 1, i.e. elastic contact element can be appointing in circular, oval, rectangle
One kind, trajectory when certainly for enclosed construction is not limited to foregoing several, can also be on demand other during practical application
Trajectory, such as triangle, rhombus etc., just no longer exhaustion is repeated one by one here；When elastic contact element 1 uses embodiment
, it is necessary to be punched on elastic contact element 1 when trajectory is the elastic contact element 1 of enclosed construction in 1 so that the cold conduit of liquid
5 can be connected with liquid cooling system.
Further, the cold conduit 5 of liquid is in contact with the inwall of elastic contact element 1, while playing the work of support and cooling
With.Wherein, as a preferred embodiment of the present invention 3-1, as shown in figure 16, the cold conduit 5 of liquid and elastic contact element 1
Inwall can be part contact, of course, it is possible to be provided with the cold conduit 5 of multiple liquid in the elastic contact element 1, multiple liquid are cold to lead
Pipe 5 is in contact with inwall.
In other examples, it is also possible to multiple cold conduits 5 of liquid are set in elastic contact element 1 and form the cold conduit of liquid
Group, each cold conduit 5 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 elasticity
Heat in contact element 1, in such a case, it is possible to by the cold conduit 5 of each liquid using the adapter for being provided with multiple through holes come with
Extraneous liquid cooling system connection, wherein, the combination of the cold conduit group of liquid of multiple cold conduits 5 of liquid uses of the prior art group
Conjunction mode, for example, the parallel binding of the cold conduit 5 of multiple liquid forms the structures such as the cold conduit group of a liquid, is just no longer described in detail here.
Embodiment 4：
As shown in figure 17, a kind of electric connector with jack contact, including jack contact, the jack contact includes
Jack main body 6, at least one elastic contact element 1, the inwall of jack main body 6 are provided with the appearance for accommodating elastic contact element 1
Receive groove 7, the quantity of the quantity more than or equal to elastic contact element 1 of holding tank 7；The outer wall of the elastic contact element 1 with
The inwall of jack main body 6 contacts to form electrical connection, and the elastic contact element 1 includes multiple unit helical rings 2, multiple unit spiral shells
Rotation ring 2 joins end to end repeated arrangement each other along a trajectory；The unit helical ring 2 is surround by line style electric conductor 3 and formed,
The cross sectional shape of elastic contact element 1 is bielliptic(al) shape structure.
Elastic contact element 1 in the present embodiment is based on what embodiment 1-1 was illustrated, the elasticity in certain the present embodiment
Contact element 1 can also be any one in embodiment 1 to 3.When elastic contact element 1 use trajectory for it is circular, oval,
In arc, rectangle any one when, elastic contact element be cyclic spring contact element, referred to as：Electricity with jack contact
Connector；When trajectory is spirality, elastic contact element 1 is spiral elasticity contact element, referred to as：With jack contact
The electric connector of part.
Certainly, with the difference based on the shape of elastic contact element 1, the shape of holding tank 7 is also different, for example, when elasticity
Contact element 1 is the electric contact piece of the flexible contact element of circular strip（Trajectory is circle）When, holding tank 7 is accommodated for circular
Groove；When elastic contact element 1 is the oval electric contact piece with elastic contact element（Trajectory is ellipse）When, holding tank
7 is oval holding tank；When elastic contact element 1 is the electric contact piece of the flexible contact element of arcuate zone（Trajectory is arc）
When, holding tank 7 is arc holding tank；When elastic contact element 1 is the electric contact piece of the flexible contact element of rectangular band（Trajectory
It is rectangle）When, holding tank 7 is rectangle holding tank；When the electric contact piece of the flexible contact element of spiral band of elastic contact element 1
（Trajectory is spirality）When, holding tank 7 is spirality holding tank；Preferably, the holding tank 7 of the present embodiment is U-type groove, here
Just no longer exhaustion is repeated one by one.
Preferably, a kind of electric connector with jack contact, including 1 elastic contact element 1, in jack main body 6
Wall is provided with 1 holding tank 7 of receiving elastic contact element 1.
In other embodiments of the invention, including the elastic contact element 1 of more than 2 or 2, the inwall of jack main body 6
It is provided with 2 or more than 2 holding tanks 7 of receiving elastic contact element 1；This design can greatly improve connector
Through-current capability, while improve contact reliability, be highly suitable for the larger application scenario of operating current.
Embodiment 5：
As shown in figure 18, a kind of electric connector with contact pin contacting piece, including contact pin contacting piece, the contact pin contacting piece includes
Conductive pin 8, at least one elastic contact element 1, the outer wall of the conductive pin 8 are provided with the appearance for accommodating elastic contact element 1
Receive groove 7, the quantity of the quantity more than or equal to elastic contact element 1 of holding tank 7；The inwall of the elastic contact element 1 and conduction
The wall contacts of contact pin 8 form electrical connection, and the elastic contact element 1 includes multiple unit helical rings 2, multiple unit helical rings 2
Joined end to end each other repeated arrangement along a trajectory；The unit helical ring 2 is surround by line style electric conductor 3 and formed, elasticity
The cross sectional shape of contact element 1 is bielliptic(al) shape structure.
Elastic contact element 1 in the present embodiment is based on what embodiment 1-1 was illustrated, the elasticity in certain the present embodiment
Contact element 1 can also be any one in embodiment 1 to 3.When elastic contact element 1 use trajectory for it is circular, oval,
In arc, rectangle any one when, elastic contact element be cyclic spring contact element, referred to as：Electricity with contact pin contacting piece
Connector；When trajectory is spirality, elastic contact element 1 is spiral elasticity contact element, referred to as：With contact pin contact
The electric connector of part.
Certainly, with the difference based on the shape of elastic contact element 1, the shape of holding tank 7 is also different, for example, when elasticity
Contact element 1 is the electric contact piece of the flexible contact element of circular strip（Trajectory is circle）When, holding tank 7 is accommodated for circular
Groove；When elastic contact element 1 is the oval electric contact piece with elastic contact element（Trajectory is ellipse）When, holding tank
7 is oval holding tank；When elastic contact element 1 is the electric contact piece of the flexible contact element of arcuate zone（Trajectory is arc）
When, holding tank 7 is arc holding tank；When elastic contact element 1 is the electric contact piece of the flexible contact element of rectangular band（Trajectory
It is rectangle）When, holding tank 7 is rectangle holding tank；When the electric contact piece of the flexible contact element of spiral band of elastic contact element 1
（Trajectory is spirality）When, holding tank 7 is spirality holding tank；Preferably, holding tank 7 is deep-slotted chip breaker, just no longer poor here
Act is repeated one by one.
Preferably, a kind of electric connector with contact pin contacting piece, including 1 elastic contact element 1, outside conductive pin 8
Wall is provided with 1 holding tank 7 of receiving elastic contact element 1.
In other embodiments of the invention, including the elastic contact element 1 of more than 2 or 2, the inwall of conductive pin 8
It is outer to be equipped with 2 or more than 2 holding tanks 7 of receiving elastic contact element 1；This design can greatly improve connector
Through-current capability, while improve contact reliability, be highly suitable for the larger application scenario of operating current.
Embodiment 6：
As shown in figure 19, a kind of electric connector system based on embodiment 4, including：Carrying in conductive pin 8 and embodiment 4
The electric connector of jack contact；Wherein elastic contact element 1 has been arranged in jack main body 6, when conductive pin 8 is in insertion
During electric connector with jack contact, the external diameter of selected conductive pin 8 is slightly larger than being electrically connected with jack contact
Connect the internal diameter of device, the form of specific alternation rule and conductive pin 8 is not done and limited to.
As shown in figure 20, another electric connector system based on embodiment 5, including：In jack main body 6 and embodiment 5
The electric connector with contact pin contacting piece；Wherein elastic contact element 1 has been arranged at outside conductive pin 8, when with contact pin
The electric connector of contact is when jack main body 6 is inserted, and the external diameter of the selected electric connector with contact pin contacting piece is slightly larger
In the internal diameter of jack main body 6, the form of specific alternation rule and jack main body 6 is not done and is limited to.
Embodiment 7：
As shown in figure 21, a kind of electric connector with elastic contact element between plate, including：Substrate, Elastic Contact unit
Part 1, the elastic contact element 1 includes multiple unit helical rings 2, and multiple unit helical rings 2 are first successively along a trajectory
Tail is connected；By line style electric conductor 3 around forming, the cross sectional shape of elastic contact element 1 is bielliptic(al) shape to the unit helical ring 2
Structure.
The substrate includes connected plate-like body 91 and block tongue 92, between being provided with clamping between plate-like body 91 and block tongue 92
Gap；Elastic contact element 1 is connected in above-mentioned clamping gap so that the sidepiece of elastic contact element 1 is in contact with plate-like body 91,
Electrical connection is formed, the block tongue 92 in the present embodiment plays fixation.
Elastic contact element 1 in the present embodiment can be any one in embodiment 1 to 3, and the present embodiment is based on implementing
Example 1-2 is described in detail, in the present embodiment：The block tongue 92 is contacted with the inwall of elastic contact element 1, and block tongue 92 runs through
The inside of elastic contact element 1.
In sum, a kind of electric contact piece with elastic contact element of the invention, increased one times of contact points
Amount, in the case of constant in the area of section of line style electric conductor, current capacity improves one times；When the feelings that current capacity is constant
Under condition, the area of section of line style electric conductor diminishes, so as to save cost, it is also possible to so that electric contact piece takes up room diminishing.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of electric connector with contact pin contacting piece, it is characterised in that：Including contact pin contacting piece, the contact pin contacting piece bag
Conductive pin, at least one elastic contact element are included, the conductive pin outer wall is provided with the appearance for installing elastic contact element
Receive groove；The elastic contact element includes multiple unit helical rings, and multiple unit helical rings are along a trajectory successively head and the tail
It is connected；By line style electric conductor around forming, the cross sectional shape of elastic contact element is bielliptic(al) shape structure to the unit helical ring；
Wherein, the trajectory is shaped as spirality.
2. a kind of electric connector with contact pin contacting piece according to claim 1, it is characterised in that：The bielliptic(al) shape
The side of structure be fixed contact, opposite side for can deformation contact site, the fixed contact include at least one salient point, can
Deformation contact site includes at least two salient points.
3. a kind of electric connector with contact pin contacting piece according to claim 1, it is characterised in that：Each described unit
Angle is less than or equal to 90 degree between the tangent plane and trajectory tangent line of helical ring.
4. a kind of electric connector with contact pin contacting piece according to claim 1, it is characterised in that：The line style is conductive
Body is single electrical silk；Or the line style electric conductor is formed by 2-5 root conductive filament process.
5. a kind of electric connector with contact pin contacting piece according to claim 1, it is characterised in that：The line style is conductive
Body is sequentially provided with central core and surrounds the outer layer of central core from the inside to the outside, and central core includes the single or many silk of laminating；Outward
Layer includes multi-filament.
6. a kind of electric connector with contact pin contacting piece according to claim 5, it is characterised in that：The outer layer it is many
Gap is provided between root silk, the gap between the multi-filament of the outer layer is the individual thread diameter of the outer layer（0.1-0.4）Times；
Preferably, the gap between the multi-filament of the outer layer is 0.2 times of the individual thread diameter of the outer layer.
7. a kind of electric connector with contact pin contacting piece according to claim 5, it is characterised in that：The line style is conductive
Body 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
The process of the silk in direction and intermediate layer is in opposite direction；The spiral angle of the silk in central core, intermediate layer and outer layer sequentially reduces.
8. a kind of electric connector with contact pin contacting piece according to claim 1, it is characterised in that：Also include support
Part, the support member is inside the electric contact piece of elastic contact element.
9. a kind of electric connector with contact pin contacting piece according to claim 8, it is characterised in that：Outside the support member
Wall is all fitted with the inwall of elastic contact element or part is fitted, for supporting elastic contact element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611190293.XA CN106785550A (en) | 2016-12-21 | 2016-12-21 | Electric connector with contact pin contacting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611190293.XA CN106785550A (en) | 2016-12-21 | 2016-12-21 | Electric connector with contact pin contacting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106785550A true CN106785550A (en) | 2017-05-31 |
Family
ID=58893410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611190293.XA Pending CN106785550A (en) | 2016-12-21 | 2016-12-21 | Electric connector with contact pin contacting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106785550A (en) |
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| CN101763957A (en) * | 2009-12-18 | 2010-06-30 | 张正周 | Spring contact for electric conduction |
| CN102427180A (en) * | 2012-01-12 | 2012-04-25 | 深圳市簧中簧电子有限公司 | Spring contact finger, socket and socket system |
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| CN102810782A (en) * | 2012-08-22 | 2012-12-05 | 深圳市簧中簧电子有限公司 | Conductive terminal, circuit board with same and plate-to-plate connector |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102427180A (en) * | 2012-01-12 | 2012-04-25 | 深圳市簧中簧电子有限公司 | Spring contact finger, socket and socket system |
| CN102570115A (en) * | 2012-02-28 | 2012-07-11 | 深圳市簧中簧电子有限公司 | Socket conductor and socket system |
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Application publication date: 20170531 |