CN106785576A - A kind of electric connector with jack contact - Google Patents
A kind of electric connector with jack contact Download PDFInfo
- Publication number
- CN106785576A CN106785576A CN201611195788.1A CN201611195788A CN106785576A CN 106785576 A CN106785576 A CN 106785576A CN 201611195788 A CN201611195788 A CN 201611195788A CN 106785576 A CN106785576 A CN 106785576A
- Authority
- CN
- China
- Prior art keywords
- contact
- contact element
- jack
- outer layer
- electric connector
- 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
- 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
-
- 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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
Abstract
The invention discloses a kind of electric connector with jack contact, including jack contact, the jack contact includes jack main body and at least one cyclic spring contact element, jack main body inner wall is provided with the holding tank for accommodating cyclic spring 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 includes：What is be 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, including boot section, deformed area, connection boot section and deformed area projection, and the raised summit positioned at First Transition portion and the line on the summit of the second transition part perpendicular bisector side.The present invention has contact performance higher, and its boot section has guiding and metamorphosis simultaneously, thus can enable that the contact pin that is used cooperatively with it or other electrical connections are realized making electrical contact with short stroke.
Description
Technical field
The present invention relates to a kind of electric connector with jack contact, 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 for having retrieved includes：CN102427180A, CN102522647A, CN102570115B,
CN102810782B, is described as follows respectively：
The patent application document of Publication No. CN102427180A discloses a kind of spring touch finger, socket and jack system,
Wherein, spring touch finger refers to that first angle 4 is the angle of the second plane 9 and the first plane 11, second jiao including oblique double laminated spring
Degree 5 is the angle of the second plane 9 and the 3rd plane 10, and first angle 4 is more than second angle 5 in unit ring, it is ensured that spring wire exists
Spiral during detouring in each unit ring is oblique.
The patent application document of Publication No. CN102522647A 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 the patent document of CN102570115B, 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, in unit ring first angle 64 be more than second angle 65, 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, conducting terminal is installed circuit board and
Board to board connector, wherein, spring touch finger, distance is the first distance 12 around between point 11 in point 9 and second in first；The
It is second distance 13 that point 9 and the outer distance around between point 10 are surround in one；First distance 12 is less than second distance 13.
Aforementioned four patent, its core technology is to use many fingertips of single-wire helix spring to contact, 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
Stabilization construction；The Stress Release of the oblique construction of product in memory period more long, 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
In reliability reduce risk, such as temperature rise raises, is difficult to meet service life demand higher.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of electric connector with jack contact,
With contact performance higher.
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 jack contact, including jack contact, the jack contact include jack master
Body and at least one cyclic spring contact element, the jack main body inner wall are provided with the receiving for accommodating cyclic spring contact element
Groove, the cyclic spring contact element includes multiple unit helical rings, and multiple unit helical rings are first successively along a trajectory
Tail is connected；By line style electric conductor around forming, unit helical ring includes the unit helical ring：What is be sequentially connected can deformation 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
The projection of area, deformed area, connection boot section and deformed area, the length of boot section and raised is located at the less than the length of deformed area
The perpendicular bisector side of the line on the summit of the summit of one transition part and the second transition part.
Preferably, the boot section, deformed area, First Transition portion and the second transition part are arcuate structure, and
Arc radius of the arc radius in First Transition portion less than the second transition part；The tangent plane and trajectory of each unit helical ring
Angle is less than or equal to 90 degree between tangent line.
Preferably, the trajectory is any one in 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 jack main body.
Preferably, the line style electric conductor is single electrical silk；Or the line style electric conductor is led by 2-5 roots
Electrical filament process is formed.
Preferably, the line style electric conductor is sequentially provided with central core and surrounds the outer layer of central core from the inside to the outside,
Central core includes the single or many silk of laminating；Outer layer includes multi-filament.
Preferably, gap, the gap between the multi-filament of the outer layer are provided between the multi-filament of the outer layer
It is (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 the individual thread diameter of the outer layer.
Preferably, the line style electric conductor is three layers of twisted wire structure, including central core, outer layer and located at central core
The process of the silk in the intermediate layer and outer layer between, the process direction of the silk of outer layer and intermediate layer is in opposite direction；Central core, centre
The spiral angle of the silk in layer and outer layer sequentially reduces.
Preferably, described a kind of electric connector with jack contact, also including 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 jack contact that the present invention is provided, with contact performance higher, relative to existing
Some contacts, its boot section has guiding and a metamorphosis simultaneously, thus can cause the contact pin that is used cooperatively with it or
Other electrical connections can realize electrical contact in short stroke, and because the size of boot section diminishes, match somebody with somebody thus for it
The dimensions length requirement of contact pin or other electrical connections that conjunction is used is reduced；On the other hand, unit helical ring in the present invention
On movable contact on deformed area size more than boot section size, can by elastic deformation be shifted more to deformation
Area, to obtain relatively small contact engaging and separating force.
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 embodiments of the invention 1 in trajectory for 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 embodiments of the invention 1 in trajectory for arc elastic contact element a kind of structural representation；
Fig. 3 (c) be embodiments of the invention 1 in trajectory for arc elastic contact element another structural representation
Fig. 4 (a) be embodiments of the invention 1 in trajectory be spiral elastic contact element structural representation；
Fig. 4 (b) is the trajectory structural representation of the elastic contact element in Fig. 4 (a)；
Fig. 5 (a) is for 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 for 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 for 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 outer layer has many overall structures of the line style electric conductor of conductive filament to illustrate
Figure；
Layer is single electrical silk centered on Fig. 8 (b), and outer layer has many sectional views of the line style electric conductor of conductive filament；
Layer is many conductive filaments centered on Fig. 8 (c), and outer layer has many overall structures of the line style electric conductor of conductive filament to illustrate
Figure；
Layer is many conductive filaments centered on Fig. 8 (d), and outer layer has many section views of the line style electric conductor of conductive filament to illustrate；
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
Figure 10 (a) is vertical for radial direction when the cold conduit of liquid is fitted completely with elastic contact element in embodiments of the invention 3
Generalized section；
Figure 10 (b) is vertical for radial direction when the cold conduit of liquid is fitted with elastic contact element part in embodiments of the invention 3
Generalized section；
Figure 10 (c) is another footpath when the cold conduit of liquid is fitted with elastic contact element part in embodiments of the invention 3
To vertical cut-away schematic view；
Figure 10 (d) is spiral elastic contact element part for the cold conduit of liquid in embodiments of the invention 3 and trajectory
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) be embodiments of the invention 4 in a kind of another structure of the electric connector with jack contact show
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) be embodiments of the invention 5 in a kind of another structure of the electric connector with contact pin contacting piece show
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 of electric connector between plate in embodiments of the invention 7.
Specific 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.
Application principle of the invention is explained in detail below in conjunction with the accompanying drawings.
Embodiment 1
A kind of electric contact piece with elastic 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,
Including boot section 121, deformed area 122, connection boot section and deformed area raised 123, the length of boot section 121 is less than deformed area
122 length (length of the length of the line i.e. between the end points of boot section two less than 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 cause that the size of boot section 121 is small, the size of deformed area 122 is big, electrical contact, and energy can be realized in short stroke
Enough increase deformed area, reduce line style electric conductor because deflection is excessive, and by the risk of plastotype, substantially increase of the invention making
Use the life-span.
The cross section of 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 unit
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 of unit helical ring and two point of contacts of its external envelope circle (i.e. circumcircle)
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, can be on deformation contact site 12 raised 123 as contact point, for contact pin etc. other
Need the device contacts for realizing electrical connection to use cooperatively, realize electrical connection, other need to realize electrically connecting preferably 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 with elastic contact element of the invention can provide multiple contacts, through-flow performance is substantially increased, it is reliable
Property is high, it is possible to increase service life.
Shown in Fig. 2, when trajectory is straight line, elastic contact element 1 is with two linear elastic connectings of free end
Touch element, the electrical connection that can be used between plate and plate, such as between two pcb boards.In Fig. 2, all unit helical rings 11
On raised 123 be the contact point being 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 enclosed loop configuration, on all unit helical rings 11 raised 123 is the contact point being connected with each other, and each projection
Summit on 123 cooperatively forms circle, can be used to be used cooperatively with jack and contact pin；In order to meet actual product need
Ask, trajectory described in the present embodiment can also be any one in arc, ellipse, rectangle, spirality.Certainly, the present invention
In trajectory be not limited to foregoing several, can also be on demand the trajectory of other shapes, such as triangle 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 with two arcs of free end
Shape cyclic spring contact element, on all unit helical rings 11 raised 123 is the summit one on contact point, and each raised 123
Rise and form arc.
When trajectory is for ellipse, elastic contact element 1 is oval ring elastic contact element (not shown), is
A kind of enclosed loop configuration, on all unit helical rings 11 raised 123 is the summit on contact point, and each raised 123
Ellipse is cooperatively formd, can be used to be used cooperatively with jack and contact pin.
When trajectory is rectangle, elastic contact element 1 is rectangular loop elastic contact element (not shown), is one
Enclosed loop configuration is planted, raised 123 on all unit helical rings 11 are the summit one on contact point, and each raised 123
Rise and together form rectangle, can be used to be used cooperatively with jack and contact pin etc..
As shown in Fig. 4 (a) and Fig. 4 (b), (trajectory is spiral structure), elasticity when trajectory is spirality
Contact element 1 is that, with two spiral elasticity contact elements of free end, on all unit helical rings 11 raised 123 is contact
Summit on point, and each raised 123 together form spirality.
According to different applied environments, the bullet of different profiles can be obtained by setting different trajectories in the present embodiment
Property contact element.
Further, the transition part 15 of the First Transition portion 14 and second is arcuate structure, and First Transition portion 14
Arc radius can reduce contact engaging and separating force less than the arc radius of the second transition 15, and for by the two ends of movable contact 12 with it is solid
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, be easy to actual production, shown in such as Fig. 5 (a), its trajectory is straight line, and unit helical ring 11 tangent plane and track
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 such as in embodiment 1 on unit helical ring) is used as circular initial of unit Helix
Point, the second point A2 on next unit helical ring that definition is connected with this unit helical ring at contact point is unit helical ring spiral shell
The circular terminal of rotation, thirdly B is the point obtained from the first point A1 spiral surrounding 180 degrees on unit helical ring for definition；Wherein,
The anglec of rotation between one point A1 and second point A2 is 360 degree.The midpoint of the line of the first point A1 and second point A2 and thirdly B
Between line where the face vertical with paper (relative to active view) for 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
It is 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, in 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, it is also possible to it is 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 less than 90 degree of sectional view, Fig. 7 is when trajectory is for circle and between the tangent plane of unit helical ring 11 and trajectory tangent line
Sectional view of the angle less than 90 degree.
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 (0.1-0.4) times of the individual thread diameter of the outer layer；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 line style electric conductor is three-decker, central core, intermediate layer and outer layer are provided with from the inside to the outside；Outward
Layer includes multi-filament, and 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 silks 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.
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 leading
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 the silk on the central core is 80-85 degree, the silk on intermediate layer
Spiral angle is 65-78 degree, and the spiral angle of the silk on outer layer is 45-60 degree.It is highly preferred that as shown in Fig. 8 (c)-Fig. 8 (d),
Central core includes 3 silks of laminating, 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 be same outer layer multi-filament between be provided with gap.Preferably, the silk of each layer
Nominal diameter meets：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 each of the intermediate layer nominal diameter of silk, and d3 is each nominal diameter of 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 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) current capacity is increased, so that temperature rise is lower, and under equal current capacity, many sections of conductive filament are less than single
Root conductive filament, material-saving；
(2) contact points are increased, 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, will not cause to produce
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), Fig. 8 (c)-Fig. 8 (d) shown in Fig. 7 (a)-Fig. 7 (b), manufacture the elastic contact element of a diameter of 12mm,
Wherein, central core includes 3 silks of laminating, and outer layer includes 15 silks, and intermediate layer includes 9 silks, the spiral of the silk on central core
Angle is 80 degree, and the spiral angle of the silk on intermediate layer 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-carrying
Ability is improved and is more than 20%, and 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 steadiness of the electric contact piece with elastic contact element of the invention, 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 is using the resilient material of tool；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 raised 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 raised 123 movement locus.
Support member 2 can prevent the object of elastic contact element deformation from can arbitrarily play, and can be led using having
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, low cost, 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
It is circular or rectangle, can also be other shapes, 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 a kind of electric contact piece with elastic contact element of built-in liquid cooling medium, can be in electric contact piece work
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 is with the difference of embodiment 1：
The electric contact piece with elastic contact element of described a kind of 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 with elastic contact element；Bullet
Property contact element 1 can use embodiment 1 in trajectory for straight line, arc, spiral elastic contact element, can also use
Other trajectories are not the elastic contact elements (i.e. trajectory has two free ends) of enclosed construction.When Elastic Contact unit
Part 1 is when using that trajectory is for 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 is 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 raised 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 raised 123 direction of motion.The cross section of the cold conduit 3 of liquid is circular or rectangle.
In order to improve the heat dispersion of the electric contact piece with elastic contact element of built-in liquid cooling medium, it is also possible in bullet
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, in such a case, it is possible to the cold conduit of each liquid is utilized set
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
The elastic contact element 1 of body 4 and at least one, the inwall of jack main body 4 is provided with the holding tank for accommodating elastic contact element 1
41, the quantity of the quantity more than or equal to elastic contact element 1 of holding tank 41；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
The line trajectory of its central point (preferably) 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
Raised the 123 of boot section and deformed area are connect, boot section 121 and deformed area 122 are arcuate structure, and the length of boot section 121 is small
In the length of deformed area 122, and raised 123 summit and the line on the summit of the second transition part 15 positioned at First Transition portion 14
Perpendicular bisector side；The two ends of the 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 below briefly describes the relation between elastic contact element and holding tank：
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 1 holding tank 41 of 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 2 or more than 2 holding tanks 41 of receiving elastic contact element；This design can be carried significantly
The through-current capability of connector high, 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 one in circle, ellipse, arc, rectangle, spirality, when trajectory is circular, oval
In shape, arc, rectangle any one when, elastic contact element be cyclic spring contact element, referred to as：One kind has jack contact
The electric connector of part；When trajectory is spirality, elastic contact element is spiral elasticity contact element, referred to as：A kind of band
There is the electric connector of jack contact；Set when the elastic contact element described in embodiment 3 is used, 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 circle), 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 spirality), accommodate
Groove 41 is spirality holding tank.
Design principle is, according to the difference of elastic contact element shape, 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 the conductive pin 5 are provided with the holding tank 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
The trajectory of its central point (preferably) 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
Raised the 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 projection is positioned at the summit in 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 the 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 below briefly describes the relation between elastic contact element and holding tank：
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 1 holding tank 51 of 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 2 or more than 2 holding tanks 51 of receiving elastic contact element；This design can be carried significantly
The through-current capability of connector high, 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 trajectory described in embodiment 1, embodiment 2 for it is circular,
The elastic contact element 1 of any one in ellipse, arc, rectangle, spirality, when trajectory be circle, ellipse, arc,
In rectangle any one when, elastic contact element be cyclic spring contact element, referred to as：A kind of being electrically connected with contact pin contacting piece
Connect device；When trajectory is spirality, elastic contact element 1 is spiral elasticity contact element, 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 circle),
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 spirality), holding tank 51 is spirality
Holding tank.
Design principle is that the difference of the shape according to elastic contact element, 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 contacts 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 raised 123 contact the second holding tank (not shown) for forming electrical connection, the second receiving
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 total to
Electrically connected with being formed；Preferably, between elastic contact element 1 and conductive pin 5 it is interference fit, its internal diameter is slightly smaller than conductive slotting
The external diameter of the 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 is limited to.
Preferably, the fixed contact 13 of the unit helical ring is complete with the inwall of the first holding tank 41 of jack main body 4
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 between plate, including：The elastic contact element 1 of substrate 6 and at least one,
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 successively (joined end to end successively preferably along the trajectory for crossing its central point)；The unit helical ring 11 is led by line style
Around forming, unit helical ring 11 includes electric body：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
Raised the 123 of boot section 121 and deformed area 122 are 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 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 snaps in the inside of elastic contact element 1, and the inwall with elastic contact element 1 is contacted, and block tongue 62 runs through elastic connecting
Touch the inside of element 1.
In sum, 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, increased the multiconductor of electric contact piece and electric connection structure, from
And ensure that contact reliability, temperature rise be low, service life demand higher electrical connection.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (10)
1. a kind of electric connector with jack contact, it is characterised in that：Including jack contact, the jack contact bag
Jack main body and at least one cyclic spring contact element are included, the jack main body inner wall is provided with receiving cyclic spring contact element
The holding tank of part, the cyclic spring contact element includes multiple unit helical rings, and multiple unit helical rings are along a track
Line joins end to end successively；By line style electric conductor around forming, unit helical ring includes the unit helical ring：What is be 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, wrap
Include the projection of boot section, deformed area, connection boot section and deformed area, the length of the length less than deformed area of boot section, and projection
Positioned at the perpendicular bisector side of the line on the summit on the summit and the second transition part in First Transition portion.
2. a kind of electric connector with jack contact according to claim 1, it is characterised in that：The boot section,
Deformed area, First Transition portion and the second transition part are arcuate structure, and the arc radius in First Transition portion are less than the second transition
The arc radius in portion；Angle is less than or equal to 90 degree between the tangent plane and trajectory tangent line of each unit helical ring.
3. a kind of electric connector with jack contact according to claim 1, it is characterised in that：The trajectory is
In circle, ellipse, arc, rectangle any one 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 jack main body.
4. a kind of electric connector with jack contact 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 jack contact 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 jack contact 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 (0.1-0.4) times of the individual thread diameter of the outer layer.
7. a kind of electric connector with jack contact according to claim 6, it is characterised in that：The outer layer it is many
Gap between root silk is 0.2 times of the individual thread diameter of the outer layer.
8. a kind of electric connector with jack contact 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.
9. a kind of electric connector with jack contact 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 jack contact 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 |
|---|---|---|---|
| CN201611195788.1A CN106785576A (en) | 2016-12-21 | 2016-12-21 | A kind of electric connector with jack contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195788.1A CN106785576A (en) | 2016-12-21 | 2016-12-21 | A kind of electric connector with jack contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106785576A true CN106785576A (en) | 2017-05-31 |
Family
ID=58900335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611195788.1A Pending CN106785576A (en) | 2016-12-21 | 2016-12-21 | A kind of electric connector with jack contact |
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| CN (1) | CN106785576A (en) |
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Application publication date: 20170531 |