CN107069269A - A kind of electric connector with contact pin contacting piece - Google Patents
A kind of electric connector with contact pin contacting piece Download PDFInfo
- Publication number
- CN107069269A CN107069269A CN201611193826.XA CN201611193826A CN107069269A CN 107069269 A CN107069269 A CN 107069269A CN 201611193826 A CN201611193826 A CN 201611193826A CN 107069269 A CN107069269 A CN 107069269A
- Authority
- CN
- China
- Prior art keywords
- contact
- contact element
- contacting piece
- contact pin
- outer layer
- 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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
-
- 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
- H01R13/15—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 contact pin contacting piece, including contact pin contacting piece, contact pin contacting piece includes conductive pin and at least one cyclic spring contact element, conductive pin outer wall is provided with the holding tank for being used for installing annular elastic contact element, cyclic spring contact element includes multiple unit helical rings, and multiple unit helical rings join end to end successively along a trajectory；Unit helical ring is by line style electric conductor around forming, and unit helical ring includes：What is be sequentially connected can deformation contact site, First Transition portion, fixed contact, the second transition part；Can deformation contact site be set to bending structure, including boot section, deformed area, the projection of connection boot section and deformed area, summit and the perpendicular bisector side of the line on the summit of second transition part of the projection positioned at First Transition portion.The present invention has higher contact performance, and its boot section has guiding and metamorphosis simultaneously, thus the contact pin used cooperatively with it or other electrical connections can be enabled to realize electrical contact in short stroke.
Description
Technical field
The present invention relates to a kind of electric connector with contact pin contacting piece, belong to electric contact piece technical field.
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, second jiao
Spend first angle 4 in 5 angles for being the second plane 9 and the 3rd plane 10, unit ring and be more than second angle 5, it is ensured that spring wire exists
Spiral during detouring in each unit ring is oblique.
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.
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.
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.
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
In order to overcome the deficiencies in the prior art, the present invention provides a kind of electric connector with contact pin contacting piece,
With higher contact performance.
Above-mentioned technical purpose is realized, above-mentioned technique effect is reached, the present invention is achieved through the following technical solutions：
A kind of electric connector with contact pin contacting piece, including contact pin contacting piece, the contact pin contacting piece include conductive insert
Pin and at least one cyclic spring contact element, the conductive pin outer wall are provided with the appearance for being used for installing annular elastic contact element
Receive groove, the cyclic spring contact element includes multiple unit helical rings, multiple unit helical rings along a trajectory successively
Join end to end；The unit helical ring is by line style electric conductor around forming, and unit helical ring includes：Be sequentially connected can deformation connect
Contact portion, First Transition portion, fixed contact, the second transition part；It is described can deformation contact site be set to bending structure, including guiding
Area, deformed area, the projection of connection boot section and deformed area, the length of boot section are less than the length of deformed area, and raised are located at the
The summit of one transition part and the perpendicular bisector side of the line on the summit of the second transition part.
Preferably, the First Transition portion and the second transition part are arcuate structure, and the circle in First Transition portion
Arc radius is less than the arc radius of the second transition part.
Preferably, the trajectory is any of circle, ellipse, arc, rectangle or at least two
Combination；The fixed contact of the unit helical ring contacts to form electrical connection with the inwall of holding tank in conductive pin.
Preferably, the boot section, deformed area are arcuate structure；The tangent plane of each unit helical ring with
Angle is less than or equal to 90 degree between trajectory tangent line.
Preferably, the electric-conductor is single electrical silk；Or the electric-conductor is 2-5 root conductive filament process
Individual layer part.
Preferably, the line style electric conductor is sequentially provided with central core from the inside to the outside and surrounds the outer layer of central core,
Central core includes the silk of single or many laminating；Outer layer includes multi-filament.
Preferably, the gap between gap, the multi-filament of the outer layer is provided between the multi-filament of the outer layer
For (0.1-0.4) times of the individual thread diameter of the outer layer.
Preferably, the gap between the multi-filament of the outer layer is 0.2 times of individual thread diameter of the outer layer.
Preferably, described a kind of electric connector with contact pin contacting piece, it is characterised in that：The line style is led
Electric body is three layers of twisted wire structure, including central core, outer layer and the intermediate layer between central core and outer layer, the strand of the silk of outer layer
Direction processed and the process of the silk in intermediate layer are in opposite direction；The spiral angle of silk in central core, intermediate layer and outer layer sequentially subtracts
Substratum.
Preferably, a kind of described electric connector with contact pin contacting piece, in addition to support member, the support
Part is inside the electric contact piece of cyclic spring contact element.
Preferably, the support member outer wall is all fitted with the inwall of cyclic spring contact element or part is pasted
Close, for supporting annular elastic contact element.
Beneficial effects of the present invention：
A kind of electric connector with contact pin contacting piece that the present invention is provided, it is single by inciting somebody to action with higher contact performance
The cross sectional shape of position helical ring is set to abnormally-structured, and the movable contact on the section of polymorphic structure is set to bending structure,
Relative to existing contact, the size of its boot section diminishes, thus can cause the contact pin that is used cooperatively with it or other
Electrical connection can more quickly realize electrical contact, so that the contact reliability and contacting efficiency of contact are improved, and
Reduction is required for the contact pin or the dimensions length of other electrical connections used cooperatively with it；On the other hand, in the present invention
Movable contact on unit helical ring increases the size of deformed area, that is, increases the elastic region of the present invention, and deformed area is longer
Elastic region is bigger, can substantially reduce elastic conducting line piece because deflection is excessive and easily by the risk of plastotype, improves its resistance to drawing
Ability, substantially prolongs service life.
Brief description of the drawings
Fig. 1 (a) is the schematic cross-section one of unit helical ring in embodiments of the invention 1；
Fig. 1 (b) is the schematic cross-section two of unit helical ring in embodiments of the invention 1；
Fig. 2 be in embodiments of the invention 1 trajectory be straight line elastic contact element structural representation；
Fig. 3 (a) is the structural representation that trajectory is circular elastic contact element in embodiments of the invention 1；
Fig. 3 (b) be in embodiments of the invention 1 trajectory be arc elastic contact element a kind of structural representation；
Fig. 3 (c) be in embodiments of the invention 1 trajectory be arc elastic contact element another structural representation
Fig. 4 (a) is the structural representation that trajectory is spiral elastic contact element in embodiments of the invention 1；
Fig. 4 (b) be Fig. 4 (a) in elastic contact element trajectory structural representation；
Fig. 5 (a) is angle shows equal to 90 degree between unit helical ring tangent plane and trajectory tangent line in embodiments of the invention 1
It is intended to；
Fig. 5 (b) be embodiments of the invention 1 between unit helical ring tangent plane and trajectory tangent line angle be equal to 90 degree and
Trajectory is the structural representation of circular elastic contact element；
Fig. 6 is angle is less than 90 degree and rail between unit helical ring tangent plane and trajectory tangent line in embodiments of the invention 1
Trace is the structural representation of the elastic contact element of straight line；
Fig. 7 is angle is less than 90 degree and rail between unit helical ring tangent plane and trajectory tangent line in embodiments of the invention 1
Trace is the structural representation of circular elastic contact element；
Layer is single electrical silk centered on Fig. 8 (a), and the overall structure that outer layer has the line style electric conductor of many conductive filaments is illustrated
Figure；
Layer is single electrical silk centered on Fig. 8 (b), and outer layer has the sectional view of the line style electric conductor of many conductive filaments；
Layer is many conductive filaments centered on Fig. 8 (c), and the overall structure that outer layer has the line style electric conductor of many conductive filaments is illustrated
Figure；
Layer is many conductive filaments centered on Fig. 8 (d), and the section view that outer layer has the line style electric conductor of many conductive filaments is illustrated；
Fig. 9 (a) is the elastic contact element radial direction vertical cut-away schematic view containing support member in embodiments of the invention 2；
Fig. 9 (b) is another elastic contact element radial direction vertical section signal containing support member in embodiments of the invention 2
Figure；
Fig. 9 (c) is the third elastic contact element radial direction vertical section signal containing support member in embodiments of the invention 2
Figure
Radial direction when Figure 10 (a) fits completely for the cold conduit of liquid in embodiments of the invention 3 with elastic contact element is vertical
Diagrammatic cross-section；
Radial direction when Figure 10 (b) fits for the cold conduit of liquid in embodiments of the invention 3 with elastic contact element part is vertical
Diagrammatic cross-section；
Another footpath when Figure 10 (c) fits for the cold conduit of liquid in embodiments of the invention 3 with elastic contact element part
To vertical cut-away schematic view；
Figure 10 (d) is that the cold conduit of liquid and trajectory are spiral elastic contact element part in embodiments of the invention 3
Overall structure diagram during laminating；
Figure 11 (a) is a kind of one of which structure of the electric connector with jack contact in embodiments of the invention 4
Schematic diagram；
Figure 11 (b) shows for a kind of another structure of the electric connector with jack contact in embodiments of the invention 4
It is intended to；
Figure 12 (a) is a kind of a kind of structural representation of the electric connector with contact pin contacting piece in embodiments of the invention 5
Figure；
Figure 12 (b) shows for a kind of another structure of the electric connector with contact pin contacting piece in embodiments of the invention 5
It is intended to；
Figure 13 is a kind of structural representation of electrical connection system in embodiments of the invention 6；
Figure 14 is a kind of structural representation for the electric connector being used between plate in embodiments of the invention 7.
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
A kind of electric contact piece of flexible contact element, including：Elastic contact element 1, the elastic contact element 1 is wrapped
Multiple unit helical rings 11 are included, multiple unit helical rings 11 join end to end successively along a trajectory；The unit helical ring
11 are formed by line style electric conductor spiral surrounding, and such as shown in Fig. 1 (a), unit helical ring 11 includes：What is be sequentially connected can deformation contact
Portion 12, First Transition portion 14, fixed contact 13, the second transition part 15；It is described can deformation contact site 12 be set to bending structure,
Include the projection 123 of boot section 121, deformed area 122, connection boot section and deformed area, the length of boot section 121 is less than deformed area
122 length (length of the line i.e. between the end points of boot section two is less than the length of line between the end points of deformed area two),
And projection 123 is located at the perpendicular bisector side of the line on the summit in First Transition portion 14 and the summit of the second transition part 15；It is described can
The two ends of deformation contact site 12 are connected by the transition part 15 of First Transition portion 14 and second respectively with the two ends of fixed contact 13.It is this
It is designed to make it that the size of boot section 121 is small, the size of deformed area 122 is big, and electrical contact, and energy can be realized in short stroke
Enough increase deformed area, reduction line style electric conductor is excessive due to deflection, and by the risk of plastotype, substantially increases making for the present invention
Use the life-span.
The cross section for the entity that the section of the unit helical ring 11 surrounds for the external envelope face of elastic contact element.
Foregoing trajectory can be located at elastic contact element outside trajectory or positioned at Elastic Contact member
Trajectory inside part；Preferably, multiple unit helical rings 11 join end to end successively along the trajectory for crossing its central point；As schemed
Shown in 1 (b), described central point is preferably placed at the section and two point of contacts of its external envelope circle (i.e. circumcircle) of unit helical ring
Between line on；It is highly preferred that described central point is located at section and its external envelope circle (i.e. circumcircle) of unit helical ring
Two point of contacts between line midpoint.
In actual application, projection 123 that can be on deformation contact site 12 as contact point, for contact pin etc. other
Need to realize that the device contacts electrically connected are used cooperatively, realize electrical connection, be preferably that other need to realize and electrically connected with contact pin etc.
Device into intimate be engaged and use.Wherein, contact force comes from the radial direction bullet that boot section 121 and deformed area 122 are collectively forming
Power.And the electric contact piece of the flexible contact element of the present invention can provide multiple contacts, substantially increase through-flow performance, reliably
Property it is high, it is possible to increase service life.
Shown in Fig. 2, when trajectory is straight line, elastic contact element 1 is the linear elastic connecting with two free ends
Element is touched, available for the electrical connection between plate and plate, such as between two pcb boards.In Fig. 2, all unit helical rings 11
On projection 123 be the contact point that is connected with each other, and summit A on each raised 123 cooperatively forms straight line.
As shown in Fig. 3 (a), the trajectory is circle, and elastic contact element 1 is circular ring-shaped elastic contact element, is
A kind of projection 123 on enclosed loop configuration, all unit helical rings 11 is the contact point that is connected with each other, and each projection
Summit on 123 cooperatively forms circle, is used cooperatively available for jack and contact pin；In order to meet actual product need
Ask, trajectory described in the present embodiment can also be any of arc, ellipse, rectangle, spiral shape.Certainly, it is of the invention
In trajectory be not limited to foregoing several, can also be the trajectory of other shapes, such as triangle on demand during practical application
Shape, rhombus, V-arrangement, waveform etc., just no longer exhaustion is repeated one by one here.
As shown in Fig. 3 (b)~(c), when trajectory is arc, elastic contact element 1 is the arc with two free ends
Projection 123 on shape cyclic spring contact element, all unit helical rings 11 is the summit one on contact point, and each raised 123
Rise and form arc.
When trajectory is ellipse, elastic contact element 1 is oval ring elastic contact element (not shown), is
A kind of projection 123 on enclosed loop configuration, all unit helical rings 11 is the summit on contact point, and each raised 123
Ellipse is cooperatively formd, is used cooperatively available for jack and contact pin.
When trajectory is rectangle, elastic contact element 1 is rectangular loop elastic contact element (not shown), is one
It is the summit one on contact point, and each raised 123 to plant the projection 123 on enclosed loop configuration, all unit helical rings 11
Rise and together form rectangle, used cooperatively available for jack and contact pin etc..
As shown in Fig. 4 (a) and Fig. 4 (b), when trajectory is spiral shape (trajectory is spiral structure), elasticity
Contact element 1 is that the projection 123 on the spiral elasticity contact element with two free ends, all unit helical rings 11 is contact
Summit on point, and each raised 123 together form spiral shape.
According to different application environments, by setting different trajectories to obtain the bullet of different profiles in the present embodiment
Property contact element.
Further, the transition part 15 of First Transition portion 14 and second is arcuate structure, and First Transition portion 14
Arc radius is less than the arc radius of the second transition 15, can reduce contact engaging and separating force, and for by the two ends of movable contact 12 and admittedly
Determine the two ends of contact site 13 and formed respectively to be smoothly connected.
Further, the boot section 121 and deformed area 122 are arcuate structure.
In the present embodiment, angle could be arranged between the tangent plane and trajectory tangent line of each unit helical ring 11
Equal to 90 degree, it is easy to actual production, shown in such as Fig. 5 (a), its trajectory is straight line, and tangent plane and the track of unit helical ring 11
Angle is equal to 90 degree between line tangent line.Shown in Fig. 5 (b), its trajectory is cut for circle, and the tangent plane of unit helical ring 11 with trajectory
Angle is equal to 90 degree between line.As shown in Fig. 5 (a), the first point A1 at the contact point on the single unit helical ring is defined
(central point of the high spot cross section in such as embodiment 1 on unit helical ring) is used as circular initial of unit Helix
Point, it is unit helical ring spiral shell to define the second point A2 on the next unit helical ring being connected with this unit helical ring at contact point
The circular terminal of rotation, thirdly B is the point obtained on unit helical ring from the first point A1 spiral surrounding 180 degrees for definition；Wherein,
The anglec of rotation between one point A1 and second point A2 is 360 degree.The midpoint of first point A1 and second point A2 line and thirdly B
Between line where the face vertical with paper (relative to active view) be unit helical ring tangent plane.
In the present embodiment, angle can also be set between the tangent plane and trajectory tangent line of each unit helical ring 11
For less than 90 degree, as shown in fig. 6, this radial elastic power for being designed to substantially reduce elastic contact element, so as to reduce slotting
Pull out force, when multiple elastic contact elements are assembled into same a connector, can so meet the requirement of connector snap-in force.
Certainly, in order to meet actual product specification demand, the tangent plane and trajectory tangent line of each unit helical ring 11 it
Between angle can be with identical, can also be different.Fig. 6 be when trajectory be straight line and the tangent plane of unit helical ring 11 and trajectory tangent line it
Between angle be less than 90 degree of sectional view, Fig. 7 is when trajectory is circle and between the tangent plane of unit helical ring 11 and trajectory tangent line
Angle is less than 90 degree of sectional view.
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 from the inside to the outside sequentially provided with central core and the outer layer for surrounding central core, center
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
Gap is provided between the sandwich construction that silk is stranding into, many of outer layer, 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 (0.1-0.4) times of the individual thread diameter of the outer layer；More preferably
Gap between ground, 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 line style electric conductor is three-decker, from the inside to the outside provided with central core, intermediate layer and outer layer；Outside
The silk that layer includes in multi-filament, outer layer is that gap is provided between conductive filament, the multi-filament of outer layer；Central core includes individual thread or 2-
The silk of 5 laminatings；It is to be brought into close contact between conductive filament or structural filaments, the silk of adjacent layer that central core and the silk in intermediate layer, which are,.
In a kind of actual application, such as shown in Fig. 8 (a) and Fig. 8 (b), 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, line style electric conductor
Central core, intermediate layer and outer layer are sequentially provided with from the inside to the outside；Preferably, the silk of central core is provided with 1-5 roots, and the silk in intermediate layer is provided with
5-12 roots, the silk of outer layer is provided with 10-18 roots；The spiral angle of silk on the central core is the silk on 80-85 degree, intermediate layer
Spiral angle is that the spiral angle of the silk on 65-78 degree, outer layer is 45-60 degree.It is highly preferred that as shown in Fig. 8 (c)-Fig. 8 (d),
Central core includes the silk of 3 laminatings, and outer layer includes 15 silks, and intermediate layer includes 9 silks, wherein, D is the diameter of line style electric conductor
Size, d be single electrical silk diameter dimension, Δ for same outer layer multi-filament between be provided with gap.Preferably, the silk of each layer
Nominal diameter is met：The nominal of each silk of layer is straight centered on 0.91d1≤d2≤1.1d1,0.91d1≤d3≤1.1d1, wherein d1
Footpath, d2 is the nominal diameter of each silk in intermediate layer, and 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 shown in Fig. 8 (c)-Fig. 8 (d), 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 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
For conductive filament, the material of the silk of other outer layers between central core and outermost outer layer can be with identical, can also be 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；
The silk in the intermediate layer of three layers or more layer twisted wire structures, 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 line style electric conductor in the present invention：
(1) current capacity is increased, so that temperature rise is lower, and under equal current capacity, the section of many conductive filaments is less than list
Root conductive 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, production will not be caused
Product fail；
(4) increase conductive filament radical, smaller snap-in force is obtained, so as to increase substantially connect-disconnect life；
Test data shows, when the line style using three-decker (i.e. including central core A, intermediate layer B and outer layer C) is conductive
Body, such as Fig. 1, Fig. 3 (a) shown in Fig. 8 (c)-Fig. 8 (d), manufacture a diameter of 12mm elastic contact element, 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 line style electric conductor constituted with prismatic single electrical silk, its current capacity, which is improved, is more than 20%,
Temperature rise declines more than 30%, and snap-in force can decline more than 40%, and connect-disconnect life improves more than 10 times.
Embodiment 2
In order to improve the present invention flexible contact element electric contact piece steadiness, prevent what is caused due to deformation
Electric conductivity declines, and in the present embodiment, the difference with embodiment 1 is：Also include support member 2, the support member 2 is located at elasticity
The inside of contact element 1.
Further, the outer wall of the support member 2 is fitted or all laminatings with the inner wall section of elastic contact element 1,
For supporting elastic contact element 1.
In the present embodiment, the outer wall of support member 2 all can completely be fitted with the inwall of elastic contact element (as schemed
Shown in 9 (a)), now, support member 2 uses flexible material；Or by the inner wall part of support member 2 and fixed contact 13
Tap touches (such as Fig. 9 (b) or Fig. 9 (c) shown in), for limit can deformation contact site 12 projection 123 movement travel distance,
And support elastic contact element 1.Scheme is preferably provided with foregoing simply the present embodiment, support member 2 can also be located at other
What can play limitation can deformation contact site raised movement travel distance position, so as to prevent the shape of elastic contact element
Become.It is preferred that by support member 2 on the movement locus of projection 123.
Support member 2 can prevent the object of elastic contact element deformation from can arbitrarily play, and can use to have and lead
The electric-conductor of electrical property, it would however also be possible to employ the insulating part without electric conductivity.
In the present embodiment, plastic insulation part of the selection of support member 2 with hollow structure or solid construction, cost is low, effect
It is really 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
For circular or rectangle, other shapes are can also be, 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 heat can be all produced
Amount so that the temperature inside electric contact piece gradually rises, but high temperature can produce very big shadow to the electric conductivity of electric contact piece
Ring, accordingly, it would be desirable to which a kind of electric contact piece of the flexible contact element of built-in liquid cooling medium, can work in electric contact piece
During, the device of electric contact piece internal heat is constantly taken away, it is ensured that the temperature inside electric contact piece is constant, so that it is guaranteed that electricity connects
The satisfactory electrical conductivity of contact element.
The present embodiment and the difference of embodiment 1 are：
A kind of electric contact piece of the flexible contact element of described built-in liquid cooling medium, including elastic contact element 1
With the cold conduit 3 of liquid inside elastic contact element 1；The cold conduit 3 of liquid 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, takes away the heat in the electric contact piece of flexible contact element；Bullet
Property contact element 1 can use trajectory in embodiment 1 for straight line, arc, spiral elastic contact element, can also use
Other trajectories are not the elastic contact elements of enclosed construction (i.e. trajectory has two free ends).When Elastic Contact member
Part 1 is used when trajectory is the elastic contact element of circular or rectangle class enclosed construction in embodiment 1, it is necessary in elastic connecting
Touch and punched on element so that the cold conduit 3 of liquid can be connected with liquid cooling system.
In the present embodiment, the outer wall of the cold conduit 3 of liquid is fitted with the inner wall section of elastic contact element 1 or all pasted
Close.
Preferably, in the present embodiment, the outer wall of the cold conduit 3 of liquid can be all close to the inwall of elastic contact element
(shown in such as Figure 10 (a)), i.e., elastic contact element 1 wraps up the cold conduit of whole liquid；Or by the cold conduit 3 of liquid and fixed contact 13
Inner wall section contact (such as Figure 10 (b)-Figure 10 (d) shown in), can be used for limitation can deformation contact site 12 projection 123 fortune
Dynamic stroke distances；Foregoing to be simply preferably provided with scheme in the present embodiment, the cold pipe of liquid any can also can be played located at other
Limitation can deformation contact site raised movement travel distance position, so as to prevent elastic contact element deformation.It is preferred that by liquid
Cold conduit 3 is in the direction of motion of projection 123.The cross section of the cold conduit 3 of liquid is circular or rectangle.
, can also be in bullet for the heat dispersion of the electric contact piece of the flexible contact element that improves built-in liquid cooling medium
Property contact element in multiple cold conduits of liquid are set, each cold conduit of liquid is used to be connected with liquid cooling system, is passed through liquid cooling medium, utilization
The continuous circulation of liquid cooling medium, takes away the heat of elastic contact element, is set in such a case, it is possible to which the cold conduit of each liquid is utilized
The adapter for having multiple through holes to be connected with extraneous liquid cooling system.Wherein, the cold conduit group of liquid is constituted by the cold conduit of multiple liquid
Combination uses combination of the prior art, for example, the parallel binding of the cold conduit of multiple liquid forms cold conduit group of a liquid etc.
Structure, is just no longer described in detail here.
Embodiment 4
A kind of electric connector with jack contact, including jack contact, the jack contact include jack master
Body 4 and at least one elastic contact element 1, the inwall of jack main body 4 are provided with the holding tank for accommodating elastic contact element 1
41, the quantity of holding tank 41 is more than or equal to the quantity of elastic contact element 1；The fixed contact of the unit helical ring 11
13 contact to form electrical connection with the inwall of the holding tank 41 of jack main body 4；Preferably, the fixed contact of the unit helical ring 11
Fit to form electrical connection completely with the inwall of holding tank 41 of jack main body 4 in portion 13；It is highly preferred that the of the unit helical ring 11
One transition part 14, the outer wall of the transition part 15 of fixed contact 13 and second are fitted completely with the inwall of holding tank 41 of jack main body
Form electrical connection；The elastic contact element 1 includes multiple unit helical rings 11, and multiple unit helical rings 11 are along a track
Line (being preferably the trajectory of its central point) joins end to end successively；The unit helical ring 11 by line style electric conductor around and
Into as shown in figure 1, unit helical ring 11 includes：What is be sequentially connected can deformation contact site 12, First Transition portion 14, fixed contact
Portion 13, the second transition part 15；It is described can deformation contact site 12 be set to bending structure, including boot section 121, deformed area 122, even
The projection 123 of boot section and deformed area is connect, boot section 121 and deformed area 122 are arcuate structure, and the length of boot section 121 is small
Length in deformed area 122, and projection 123 is located at the line on the summit in First Transition portion 14 and the summit of the second transition part 15
Perpendicular bisector side；The two ends of movable contact 12 pass through the mistake of First Transition portion 14 and second respectively with the two ends of fixed contact 13
Portion 15 is crossed to connect.
Citing briefly describes the relation between elastic contact element and holding tank below：
When a kind of electric connector with jack contact includes 1 elastic contact element, the inwall of jack main body 4 is set
There is the holding tank 41 of 1 receiving elastic contact element.
When a kind of electric connector with jack contact includes the elastic contact element of more than 2 or 2, jack main body
4 inwalls are just provided with the holding tank 41 of 2 or more than 2 receiving elastic contact elements；This design method can be carried significantly
The through-current capability of high connector, while improving contact reliability, is highly suitable for the larger application scenario of operating current.
Elastic contact element in the present embodiment can be using the track described in embodiment 1, embodiment 2 and embodiment 3
Line is the elastic contact element of any of circle, ellipse, arc, rectangle, spiral shape, when trajectory is circular, oval
When any in shape, arc, rectangle, elastic contact element is cyclic spring contact element, is referred to as：One kind has jack contact
The electric connector of part；When trajectory is spiral shape, elastic contact element is spiral elasticity contact element, is referred to as：A kind of band
There is the electric connector of jack contact；Set when using the elastic contact element described in embodiment 3, it is necessary on holding tank
Two through holes, the connection for realizing the cold conduit of liquid and liquid cooling system.
As shown in Figure 11 (a), when elastic contact element is annular elastic contact element (trajectory is circular), accommodate
Groove 41 is annular holding tank；
When elastic contact element is oval ring elastic contact element (trajectory is ellipse), holding tank 41 is ellipse
Annular receiving groove；
When elastic contact element is arc cyclic spring contact element (trajectory is arc), holding tank 41 is arc ring
Shape holding tank；
When elastic contact element is rectangular loop elastic contact element (trajectory is rectangle), holding tank 41 is straight-flanked ring
Shape holding tank；
As shown in Figure 11 (b), when elastic contact element is spiral elasticity contact element (trajectory is spiral shape), accommodate
Groove 41 is spiral shape holding tank.
Design principle is, according to the difference of elastic contact element shape, and the shape of holding tank 41 is matched, here
No longer exhaustion is repeated one by one.
Preferably, the holding tank is U-type groove.
Embodiment 5
A kind of electric connector with contact pin contacting piece, including contact pin contacting piece, the contact pin contacting piece include：Conduction is inserted
Pin 5, at least one elastic contact element 1, the outer wall of conductive pin 5 are provided with the holding tank for being used for installing elastic contact element 1
51, the fixed contact 13 of unit helical ring fits to form electrical connection with the inwall of holding tank 51 in conductive pin 5.
The elastic contact element 1 includes multiple unit helical rings 11, and multiple unit helical rings 11 are along a trajectory
(being preferably the trajectory of its central point) joins end to end successively；The unit helical ring 11 is surround by line style electric conductor and formed,
Unit helical ring 11 includes：What is be sequentially connected can deformation contact site 12, First Transition portion 14, fixed contact 13, the second transition
Portion 15；It is described can deformation contact site 12 be set to bending structure, including boot section 121, deformed area 122, the connection and of boot section 121
The projection 123 of deformed area 122, boot section 121 and deformed area 122 are arcuate structure, and the length of boot section 121 is less than deformed area
122 length, and the raised summit positioned at First Transition portion 14 and the perpendicular bisector side of the line on the summit of the second transition part 15；
The two ends of movable contact 12 are connected by the transition part 15 of First Transition portion 14 and second respectively with the two ends of fixed contact 13.
Citing briefly describes the relation between elastic contact element and holding tank below：
When a kind of electric connector with contact pin contacting piece includes 1 elastic contact element 1, the outer wall of conductive pin 5 is set
There is the holding tank 51 of 1 receiving elastic contact element.
When a kind of electric connector with contact pin contacting piece includes the elastic contact element 1 of more than 2 or 2, conduction is inserted
The outer wall of pin 5 is provided with the holding tank 51 of 2 or more than 2 receiving elastic contact elements；This design method can be carried significantly
The through-current capability of high connector, while improving contact reliability, is highly suitable for the larger application scenario of operating current.
Elastic contact element 1 in the present embodiment can use embodiment 1, the trajectory described in embodiment 2 for it is circular,
The elastic contact element 1 of any of ellipse, arc, rectangle, spiral shape, when trajectory be circle, ellipse, arc,
When any in rectangle, elastic contact element is cyclic spring contact element, is referred to as：A kind of being electrically connected with contact pin contacting piece
Connect device；When trajectory is spiral shape, elastic contact element 1 is spiral elasticity contact element, is referred to as：One kind connects with contact pin
The electric connector of contact element.
As shown in Figure 12 (a), when elastic contact element 1 is circular ring-shaped elastic contact element (trajectory is circular),
Holding tank 51 is circular ring-shaped holding tank；
When elastic contact element 1 is oval ring elastic contact element (trajectory is ellipse), holding tank 51 is ellipse
Annular holding tank；
As shown in Figure 12 (b), when elastic contact element 1 is arc cyclic spring contact element (trajectory is arc),
Holding tank 51 is arc annular receiving groove；
When elastic contact element 1 is rectangular loop elastic contact element (trajectory is rectangle), holding tank 51 is rectangle
Annular receiving groove；
When elastic contact element 1 is spiral elasticity contact element (trajectory is spiral shape), holding tank 51 is spiral shape
Holding tank.
Design principle is, according to the difference of the shape of elastic contact element, and the shape of holding tank is matched, here
No longer exhaustion is repeated one by one.
Preferably, the holding tank is U-type groove.
Embodiment 6
As shown in figure 13, a kind of electrical connection system, including：Jack main body 4, at least one elastic contact element 1 and conduction
Contact pin 5；The inwall of jack main body 4 is provided with the first holding tank 41 for accommodating elastic contact element 1；The unit helical ring
Fixed contact 13 is contacted to form electrical connection with the inwall of the first holding tank 41 of jack main body 4, and the conductive pin 5 is provided with
For with can deformation contact site 12 projection 123 contact formed electrical connection the second holding tank (not shown), second accommodate
The quantity of groove is adapted with position with the first holding tank 41 so that jack main body 4, elastic contact element 1 and conductive pin 5 are common
Electrically connected with being formed；Preferably, it is interference fit between elastic contact element 1 and conductive pin 5, its internal diameter is slightly smaller than conductive insert
The external diameter of second holding tank on pin 5, its external diameter is slightly larger than the diameter of the first holding tank in jack main body 4, specific alternation rule
And the form of conductive pin is not done and limited to.
Preferably, the inwall of the fixed contact 13 of the unit helical ring and the first holding tank 41 of jack main body 4 is complete
Fit to form electrical connection in portion；It is highly preferred that the First Transition portion 14 of the unit helical ring, the transition of fixed contact 13 and second
The outer wall in portion 15 is all fitted with the inwall of the first holding tank 41 of jack main body and forms electrical connection.
Preferably, first holding tank is U-type groove, and the second holding tank is deep-slotted chip breaker.
Elastic contact element in the present embodiment can be using the elasticity described in embodiment 1, embodiment 2 and embodiment 3
Contact element., it is necessary to be set on the first holding tank 41 of jack main body when using elastic contact element described in embodiment 3
Two through holes are put, the connection for realizing the cold conduit of liquid and liquid cooling system.
Embodiment 7
A kind of electric connector being used between plate, including：Substrate 6 and at least one elastic contact element 1,
The elastic contact element 1 includes multiple unit helical rings 11, and multiple unit helical rings 11 are along a trajectory
Join end to end and (joined end to end successively preferably along the trajectory for crossing its central point) successively；The unit helical ring 11 is led by line style
Electric body is around forming, and unit helical ring 11 includes：What is be sequentially connected can deformation contact site 12, First Transition portion 14, fixed contact
Portion 13, the second transition part 15；It is described can deformation contact site 12 be set to bending structure, including boot section 121, deformed area 122, even
The projection 123 of boot section 121 and deformed area 122 is connect, boot section 121 and deformed area 122 are arcuate structure, boot section 121
Length is less than the length of deformed area 122, and projection 123 is positioned at the summit and the summit of the second transition part 15 in First Transition portion 14
The perpendicular bisector side of line；It is described can the two ends of deformation contact site 12 and the two ends of fixed contact 13 pass through First Transition portion 14 respectively
Connected with the second transition part 15.
The substrate 6 includes plate-like body 61 and block tongue 62 (preferably connected plate-like body 61 and block tongue 62), tabular
Clamping gap is provided between body 61 and block tongue 62；Elastic contact element 1 is connected in above-mentioned clamping gap so that Elastic Contact
The sidepiece of element 1 is in contact with plate-like body 61, forms electrical connection.Block tongue in the present embodiment has been used for fixation.
The plate-like body 61 is metallic plate；Block tongue 62 is insulation board or metallic plate.
Based on the elastic contact element described in embodiment 1, embodiment 2 or embodiment 3, in the present embodiment：
As shown in figure 14, when elastic contact element 1 uses trajectory for straight line or spiral elastic contact element,
The block tongue 62 is caught in the inside of elastic contact element 1, is contacted with the inwall of elastic contact element 1, and block tongue 62 runs through elastic connecting
Touch the inside of element 1.
In summary, the present invention can overcome the defect of electric contact piece of the prior art, can realize electric connection structure
In for electric contact piece reliability and the effect of longer life, add the multiconductor of electric contact piece and electric connection structure, from
And ensure that contact reliability, temperature rise be low, higher service life demand electrical connection.
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 contact pin contacting piece, it is characterised in that：Including contact pin contacting piece, the contact pin contacting piece bag
Conductive pin and at least one cyclic spring contact element are included, the conductive pin outer wall, which is provided with, to be used to install annular Elastic Contact
The holding tank of element, the cyclic spring contact element includes multiple unit helical rings, and multiple unit helical rings are along a rail
Trace joins end to end successively；The unit helical ring is by line style electric conductor around forming, and unit helical ring includes：It is sequentially connected
Can deformation contact site, First Transition portion, fixed contact, the second transition part；It is described can deformation contact site be set to bending structure,
Include the projection of boot section, deformed area, connection boot section and deformed area, the length of boot section is less than the length of deformed area, and convex
Rise positioned at the summit and the perpendicular bisector side of the line on the summit of the second transition part in First Transition portion.
2. a kind of electric connector with contact pin contacting piece according to claim 1, it is characterised in that：The First Transition
Portion and the second transition part are arcuate structure, and the arc radius in First Transition portion is less than the arc radius of the second transition part.
3. a kind of electric connector with contact pin contacting piece according to claim 1, it is characterised in that：The trajectory is
Any of circle, ellipse, arc, rectangle or at least two combination；The fixed contact of the unit helical ring
Contact to form electrical connection with the inwall of holding tank in conductive pin.
4. a kind of electric connector with contact pin contacting piece according to claim 1, it is characterised in that：The boot section,
Deformed area is arcuate structure；Angle is less than or equal to 90 between the tangent plane and trajectory tangent line of each unit helical ring
Degree.
5. a kind of electric connector with contact pin contacting piece according to claim 1, it is characterised in that：The electric-conductor is equal
For single electrical silk；Or the individual layer part that the electric-conductor is 2-5 root conductive filament process.
6. 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 from the inside to the outside sequentially provided with central core and the outer layer for surrounding central core, and central core includes the silk of single or many laminating；Outside
Layer includes multi-filament.
7. 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
(0.1-0.4) times of the gap between gap, the multi-filament of the outer layer for the individual thread diameter of the outer layer is provided between root silk；
Preferably, the gap between the multi-filament of the outer layer is 0.2 times of individual thread diameter of the outer layer.
8. 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
Direction and the process of the silk in intermediate layer are in opposite direction；The spiral angle of silk in central core, intermediate layer and outer layer sequentially reduces
Layer.
9. 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 cyclic spring contact element.
10. a kind of electric connector with contact pin contacting piece according to claim 9, it is characterised in that：The support member
Outer wall is all fitted with the inwall of cyclic spring contact element or part is fitted, for supporting annular elastic contact element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193826.XA CN107069269A (en) | 2016-12-21 | 2016-12-21 | A kind of electric connector with contact pin contacting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193826.XA CN107069269A (en) | 2016-12-21 | 2016-12-21 | A kind of electric connector with contact pin contacting piece |
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| Publication Number | Publication Date |
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| CN107069269A true CN107069269A (en) | 2017-08-18 |
Family
ID=59619026
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611193826.XA Pending CN107069269A (en) | 2016-12-21 | 2016-12-21 | A kind of electric connector with contact pin contacting piece |
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| Country | Link |
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| CN (1) | CN107069269A (en) |
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| CN108777387A (en) * | 2018-04-27 | 2018-11-09 | 东莞市盘丝电子科技有限公司 | A kind of parcel fingertip coil |
| CN113346265A (en) * | 2021-06-07 | 2021-09-03 | 江苏开云通讯科技有限公司 | Electric connector structure and assembling method thereof |
| CN113471735A (en) * | 2021-05-25 | 2021-10-01 | 深圳市特拉利线簧端子技术有限公司 | Drum-shaped electric contact assembly and jack terminal |
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