CN106848684A - A kind of electric contact piece with elastic double helix Wound-rotor type contact element - Google Patents
A kind of electric contact piece with elastic double helix Wound-rotor type contact element Download PDFInfo
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- CN106848684A CN106848684A CN201611192697.2A CN201611192697A CN106848684A CN 106848684 A CN106848684 A CN 106848684A CN 201611192697 A CN201611192697 A CN 201611192697A CN 106848684 A CN106848684 A CN 106848684A
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- contact element
- rotor type
- support member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/33—Contact members made of resilient wire
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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Abstract
The present invention discloses a kind of electric contact piece with elastic double helix Wound-rotor type contact element, and elastic double helix Wound-rotor type contact element includes the electric-conductor of support member and multiple line styles；The support member bends helically type, and support member periphery is provided with multiple winding slots, and the spiral that multiple winding slots are parallel to each other is arranged at support member periphery, and the two ends of each winding slot extend respectively to support member two ends；Each electric-conductor is around in along single winding slot respectively can mutual conduction between support member periphery, and multiple electric-conductors.The form that the present invention is combined by spirality winding line with spirality support member, improves the structural stability of elastic contact element, and then ensures elastic contact element and the reliability of electrical connection using its electric contact piece, and lasts a long time.Elasticity is more preferable in itself for the elastic Wound-rotor type contact element of double helix, and contact performance is also improved, and can be applied to the different occasions in various electrical connection intervals.
Description
Technical field
The present invention relates to technical field of electric connectors, particularly a kind of electricity with elastic double helix Wound-rotor type contact element
Contact.
Background technology
In electrical connectors, the contact area of electrical connection is an important indicator for measurement connection reliability, especially work
Make electric contact piece or electric connector under high current.In the electric contact piece of prior art, such as contact pin contacting piece or jack contact
Part, is typically all using many fingertip contact electrical connections of single-wire helix spring, the publication for such as having retrieved in it：
CN102427180A, CN102570115B are 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 including oblique double laminated spring, and second angle 5 is
The angle of the second plane 9 and the 3rd plane 10, first angle 4 is more than second angle 5 in unit ring, it is ensured that spring wire was detouring
Spiral in journey in each unit ring is oblique, is specifically shown in Fig. 9-1.
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.It is specifically shown in
Fig. 9-2.
In order to realize preferable contact performance, in above-mentioned disclosed patent, core technology is to use single-wire helix spring
Many fingertip contacts, wherein spring touch finger is in periodically realization electrical connection.But the fingertip of single-wire helix spring be configured to it is unstable
Construction, after storage period more long, the Stress Release of spring touch finger construction, snap-in force/insertion force may be caused to increase to can not be used；
Within the contact product life cycle, snap-in force and separating force decline with the increase of plug number of times, there is reliability reduction
Risk, it is difficult to meet reliability and the demand of longer life for contact in electric connection structure.
The content of the invention
The technical problem to be solved in the present invention is：By in spiral support member periphery helically coiling electric-conductor, being formed
Multifinger double helix elasticity Wound-rotor type contact element, improves the structural stability of elastic contact element, works as elastic contact element
When being applied in electric contact piece, then can ensure the reliability of electrical connection of electric contact piece, and elastic contact element and electric contact piece longevity
Life is more long.
The technical scheme that the present invention takes is specially：A kind of electrical contact with elastic double helix Wound-rotor type contact element
Part, including support member and multiple electric-conductors；
The support member bends helically type, and support member periphery is provided with multiple winding slots, the spiral that multiple winding slots are parallel to each other
Support member periphery is arranged at, and the two ends of each winding slot extend respectively to support member two ends；
Each electric-conductor is around in along single winding slot respectively can mutual conduction between support member periphery, and multiple electric-conductors.
The present invention in use, the electric-conductor that multiple can be conducted is combined into multifinger electrical connection contact element, connection
Reliability is improved, and support member is played a supporting role to electric-conductor, reduces the hydraulic performance decline that non-reversible deformation brings；Support member
Rear integrally bending into screw type is combined with electric-conductor so that elasticity is more preferable in itself for elastic contact element, and contact performance is also carried
Height, can be suitable for the different occasion in various electrical connection intervals or electric contact piece.
Preferably, the present invention in double helix Wound-rotor type contact element axially be projected as triangle, circle, ellipse
Or bielliptic(al) shape.That is support member is when twisted is carried out, and each unit helical ring is whole in double helix Wound-rotor type contact element
The axis projection of body is triangle, circle, ellipse or bielliptic(al) shape, also dependent on needing to be arranged to other polygons or non-rule
Then shape.
Preferably, connect in the present invention at least one between adjacent conductive part in as adjacent winding slot, so that
Obtain and can be conducted between all electric-conductors.Connecting between adjacent conductive part can be realized also by other by electric-conductor body
Approach such as spot welding etc. is realized so that multiple electric-conductors form a multiconductor electric contact piece for entirety.
Preferably, in the present invention, periphery is tangent between the electric-conductor in as adjacent winding slot.That is adjacent conductive part phase
Connect, formed many electric-conductors support member periphery side by side it is close around form, reliability of electrical connection is higher.
In the present invention, each electric-conductor is single spiral helicine conductive filament, or including at least two conductive filaments of process.
Preferably, each electric-conductor is respectively by the individual layer part of 2-5 root conductive filament process.
Preferably, by the sandwich construction of multi-filament process, i.e., electric-conductor of the present invention can also be：The electric-conductor is from interior
To central core part and at least one outer layer part is sequentially provided with outward, central core part includes the single or many silk of laminating；Outer layer part
Including many conductive filaments, gap is provided between the multi-filament of outer layer part, is to be brought into close contact between the silk of adjacent layer.Preferably, institute
The process for stating silk in process direction and the adjacent layer of outer layer part silk is in opposite direction；In central core part and each outer layer part, compared with outer layer
The spiral angle of the silk on part is less than the spiral angle compared with the silk on internal layer part.
Further, the gap between the multi-filament of the same outer layer part is the individual thread diameter of the outer layer part
(0.1-0.4) times.Preferably, the gap between the multi-filament of same outer layer part is 0.2 times of the individual thread diameter of the outer layer part.
Preferably, support member is made of elastomeric material in the present invention, such as elastomeric material so that double helix Wound-rotor type connects
Touching element has preferably elasticity, even if craft precision is limited also to can be good at realizing electrical connection properties.
Beneficial effect
In the present invention, by the way that spiral is close side by side is wound on spiral support member periphery by multiple electric-conductors, double helix elasticity is formed
Wound-rotor type contact element, has multifinger characteristic, it is ensured that be electrically connected by multiple electric-conductors are close around the elastic contact element for being formed
The reliability for connecing；The setting of support member can play a supporting role to electric-conductor, increase contact structural stability in itself, subtract
The hydraulic performance decline that few non-reversible deformation caused by long-term use brings, extends the service life of elastic contact element.Support member
Overall coiling spirality after being combined with electric-conductor, deformation space is bigger, and elastic performance more preferably, is contacted more reliable so that this hair
Bright elastic contact element can be applied to the demand of various electrical connection intervals or electric contact piece, and the service life of electric contact piece is also obtained
To extension.Meanwhile, the various structure types of electric-conductor of the present invention can play increase current capacity, reduce temperature rise, increase contact
Points, reduce the effect of snap-in force, can further lift the electrical contact reliability of contact, extend the contact life-span.
Brief description of the drawings
Fig. 1 show elastic Wound-rotor type contact element structural representation；
Fig. 2 show supporting piece structure schematic diagram；
Fig. 3-1 show cyclic spring Wound-rotor type contact element structural representation；Fig. 3-2 show arc（Open loop shape）Elasticity around
Wire type contact element structural representation；Fig. 3-3 show double helix elasticity Wound-rotor type contact element structural representation；Fig. 3-4 institute
It is shown as the axial screw track schematic diagram of spirality elasticity Wound-rotor type contact element；
Fig. 4-1 show the contact pin contacting piece structural representation with cyclic spring Wound-rotor type contact element；Fig. 4-2 show band
There is the radial section schematic diagram of the contact pin contacting piece of cyclic spring Wound-rotor type contact element；Fig. 4-3 is shown with spirality bullet
The mirror image generalized section of the contact pin contacting piece of property Wound-rotor type contact element；
Fig. 5-1 show the jack contact structural representation with cyclic spring Wound-rotor type contact element；Fig. 5-2 show band
There is the radial section schematic diagram of the jack contact of cyclic spring Wound-rotor type contact element；Fig. 5-3 is shown with spirality bullet
The radial section schematic diagram of the jack contact of property Wound-rotor type contact element；
Fig. 6 electrically connects application structure schematic diagram between showing the plate of cyclic spring Wound-rotor type contact element；
Fig. 7-1 show in support member and sets elastic Wound-rotor type contact element structural representation of the through hole as liquid cooling medium passage
Figure；Fig. 7-2 show and knot of the through hole as liquid cooling medium passage is set in the support member of spirality elasticity Wound-rotor type contact element
Structure schematic diagram；Fig. 7-3 show in support member the elastic Wound-rotor type contact element structural representation for setting the cold conduit of liquid；Fig. 7-4 institute
Be shown as the cold conduit of liquid is preferably provided with positional structure schematic diagram；
Fig. 8-1, Fig. 8-2, Fig. 8-3 and Fig. 8-4 are the cross section structure schematic diagram of electric-conductor, wherein：Layer is single centered on Fig. 8-1
Conductive filament, outer layer has many overall structure diagrams of the electric-conductor of conductive filament；Layer is single electrical silk centered on Fig. 8-2, outward
Layer has many sectional views of the electric-conductor of conductive filament；Layer is many conductive filaments centered on Fig. 8-3, and outer layer has leading for many conductive filaments
The overall structure diagram of electric part；Layer is many conductive filaments centered on Fig. 8-4, and outer layer has many section views of the electric-conductor of conductive filament
Diagram；
Fig. 9-1 and Fig. 9-2 is dependency structure figure in the prior art pointed out in background technology：Fig. 9-1 is patent CN102427180A
Accompanying drawing 2；Fig. 9-2 is patent CN102570115B accompanying drawings 3c.
Specific embodiment
Further described below in conjunction with the drawings and specific embodiments.
Elastic Wound-rotor type contact element
Elastic Wound-rotor type contact element, including support member 1 and multiple line styles electric-conductor 2；Each electric-conductor 2 is around in support member respectively
1 periphery, and upwardly extended in the whole length side of support member 1；Can mutually be conducted between all electric-conductors 2.
The electric-conductor that multiple can be conducted forms multifinger elasticity and electrically connects contact element with support combination, and connection can
It is improved by property, support member is played a supporting role to electric-conductor so that the structural stability of elastic contact element is higher, the life-span
It is longer.
Embodiment 1
With reference to shown in Fig. 1 and Fig. 2, the periphery of support member 1 is provided with multiple winding slots 11, and the two ends of each winding slot 11 extend respectively to branch
The two ends of support member 1；Each electric-conductor 2 is around in along single winding slot 11 respectively can be mutual between the periphery of support member 1, and multiple electric-conductors 2
Conducting.
It is circular, oval, square, polygon that support member can use section, or other shapes of wire rod, set around
After wire casing, the periphery indention in support member section.The winding slot that support member periphery is set can play guiding and prop up to electric-conductor
The effect of support.Support member can be electric conductor or insulator, because support member primarily serves what its external conductive part was supported
Act on, therefore its electric conductivity can be selected as needed.
Embodiment 2
In the present embodiment, 1 week portion of support member is not provided with winding slot, but outer surface smoother, and electric-conductor 2 is directly around in support member
Smooth periphery, forms elastic Wound-rotor type contact element.During elastic Wound-rotor type contact element integrally bending, support member 1 is for outside it
The electric-conductor 2 of portion's coiling can equally play a supporting role, and improve structural stability, extend the life-span.This embodiment is not as this hair
Bright key protection point, it will not go into details.
Embodiment 3
On the basis of embodiment 1 or embodiment 2, the elastic Wound-rotor type that the present embodiment is formed to coiling electric-conductor 2 on support member 1
Contact element carries out integrally bending, will support member bending in a ring, annular elastic Wound-rotor type contact element can be applied to insert
On pin or jack, electrical connection properties reliability.Under this situation, in order that ultimately formed between obtaining multiple electric-conductors 2 one touching more
The conduction of point is overall, i.e., can be electrically connected to each other conducting between multiple electric-conductors, the winding method of multiple electric-conductors on support member
Also have various, preferably each winding slot is set in parallel in support member periphery and carries out embodiment extension in a spiral manner below：
Embodiment 3-1
With reference to shown in Fig. 3-1, the two ends of support member 1 are end to end, while distinguishing one positioned at each electric-conductor end at support member two ends
One docking, forms cyclic spring Wound-rotor type contact element.
In order that conducting can be electrically connected between obtaining different electric-conductors, and in the present embodiment, the spiral that each winding slot is parallel to each other
Support member periphery is arranged at, periphery connects between the electric-conductor in as adjacent winding slot, forms multiple electric-conductors and mutually put down
Row it is close around structure；
Embodiment 3-2
If the less electric-conductor of selection carries out coiling, support member periphery is provided with least 3 winding slots, is between adjacent winding slot
Spaced set；Support member bends in a ring, and end to end place, the end for belonging to different electric-conductors is connected so that all to lead
Conducting can be electrically connected to each other between electric part.
In the present invention, winding slot set and electric-conductor coiling form in addition to parallel spiral way, or its
His form, such as multiple electric-conductors use type of weave, and electrical connection conducting is realized by intersecting, or be parallel to each other other do not advise
It is then close around coiling path（Non-helical rising）Deng.
Embodiment 4
On the basis of embodiment 1 or embodiment 2, the present embodiment connects to the elastic Wound-rotor type that coiling electric-conductor on support member is formed
Tactile element carries out integrally bending, will support member integrally bending it is curved so that elastic Wound-rotor type contact element be in open loop arc.
The electric-conductor being around on support member simultaneously bends therewith.
Embodiment 5
With reference to Fig. 3-3 and Fig. 3-4, support member bends twist, forms spirality elasticity Wound-rotor type contact element, the bullet of spiral
Property Wound-rotor type contact element has more preferable elastic performance.
In embodiment 4 and embodiment 5, in order that obtaining multiple electric-conductors can form a conductive entirety, i.e., two-by-two can
Conducting is electrically connected to each other, coiling of the electric-conductor on support member can use type of weave, or parallel close around form, using parallel
It is close around form when, preferably spiral it is close around, or other regularly or irregularly it is parallel it is close around the path.
With further reference to shown in Fig. 3-3, in addition to support member bending spirality, coiling path of the electric-conductor on support member
Also it is spirality, that is, forms the elastic Wound-rotor type contact element structure of double helix so that elastic Wound-rotor type contact element has
More preferable structural stability and reliability of electrical connection.
The performance optimization of elastic Wound-rotor type contact element
The heat that can be produced unavoidably during being used to electrically connect by elastic Wound-rotor type contact element, gathering for heat is how many
I haven't seen you for ages influences the electrical connection properties of elastic contact element and contact, and long-term work is in the life-span of the elastic contact element under high temperature
Cycle can also be a greater impact, it is difficult to meet reliability and the demand of longer life for contact in electric connection structure.
Following examples be based on embodiment 1,2,3,4,5 described in elastic Wound-rotor type contact element structure, for elasticity around
The radiating of wire type contact element is described.The mode that heat is evacuated is in elastic Wound-rotor type contact element or in support member
Setting can be passed through liquid cooling medium（Such as coolant）Liquid cooling medium passage so that what elastic contact element was produced at work
Temperature can be transferred in liquid cooling medium by heat transfer, and the two ends of liquid cooling medium passage can be with existing liquid cooling medium circulatory system phase
Connection, it is constant with the circulation for ensureing liquid cooling medium temperature, and then cause that the operating temperature of elastic contact element is relatively low all the time.Specifically
It is as follows：
Embodiment 6 sets through hole 3 as liquid cooling medium passage in elastic Wound-rotor type contact element
With reference to Fig. 7-1 and Fig. 7-2, liquid cooling medium passage is the through hole for directly being opened up on support length direction, liquid cooling medium
It is passed directly into through hole.
The quantity of through hole can be 1, be arranged at the center of support member, and the quantity of through hole may also set up multiple, preferably most
Amount is near electric-conductor.
Path of the through hole inside support member can be linear pattern, shaped form or other irregular shapes.
Docked with the outside liquid cooling medium circulatory system for convenience, the two ends of through hole can be respectively provided with logical liquid interface.
1 U-shaped through hole is such as set, and two logical liquid interfaces of U-shaped through hole are located at same one end of elastic Wound-rotor type contact element.
Embodiment 7 sets the cold conduit of liquid in elastic Wound-rotor type contact element
With reference to Fig. 7-3 and Fig. 7-4, the dismounting and maintenance of liquid cooling medium passage for convenience, the liquid cooling medium passage in support member
For 1 with the cold conduit 3 of upper liquid, each cold conduit 3 of liquid is arranged inside support member through support length direction, and the cold conduit of each liquid
3 are respectively arranged at two ends with logical liquid interface.
When the liquid cooling medium passage in support member is for 1 with the cold conduit of upper liquid, each cold conduit of liquid also can be U-shaped from support member
One end penetrate inside support member, and extend to the other end of support member；Two fluid-through ports of the cold conduit of liquid are located at support member
Same one end.This embodiment can more facilitate the connection of the cold conduit of liquid and the liquid cooling medium circulatory system, simplify attachment structure.
Stroke of the cold conduit of liquid in the middle part of support length direction can be arranged as required to the type of being in line or shaped form.
The cold conduit set-up mode of the preferred liquid of embodiment 7-1
With reference to shown in Fig. 7-4, in order that obtain the cooling effect of liquid cooling medium more preferably, the liquid cooling medium in the present embodiment in support member
Passage is more than the 1 linear cold conduit of liquid, and each cold conduit of liquid runs through support length direction, is arranged at support member radial direction
All portions, and the outside portion of the cold conduit of liquid is in contact with electric-conductor.Now the optional insulating materials of the cold conduit of liquid is made.Due to support
Part periphery is provided with winding slot, in the present embodiment, opened up in support member for the passage Outboard Sections through the cold conduit of liquid with around
Wire casing is overlapped, also hence in so that the cold conduit outside portion of liquid can be with electric-conductor directly contact, so that in the electric-conductor course of work
The heat of generation can be passed directly into the cold conduit of liquid.
In the elastic Wound-rotor type contact element to closed loop as described in Example 3, by setting liquid cooling medium passage
When being cooled down, can be chosen on the circular path of elastic Wound-rotor type contact element and punched as liquid outlet at two.
Elastic Wound-rotor type contact element is applied to contact and electric connector
Existing plug-in type electric connector structure typically is realized electrically connecting by contact pin with the directly contact of jack, due to process conditions
The factors such as limitation, the electric connector reliability of this grafting form is poor, and the multiple plug of long-term use can cause reliability to be got over
Come poorer, the life-span is shorter.
Below based on the elastic Wound-rotor type contact element described in embodiment 3 to 7, to elasticity Wound-rotor type contact element of the invention
And application of the electric contact piece comprising it on plug-in type electric connector is described.
Elastic Wound-rotor type contact element is applied to contact pin contacting piece by embodiment 8
With reference to Fig. 4-1 to Fig. 4-3, in can be applied to the elastic Wound-rotor type contact element preferably embodiment 3 to 7 of contact pin contacting piece
Annular, arc（Open loop shape）With spirality elasticity Wound-rotor type contact element.Fig. 4-2 and Fig. 4-3 shows a kind of with elasticity
The contact pin contacting piece of Wound-rotor type contact element, it includes contact pin body 02 and elastic Wound-rotor type contact element.By elastic Wound-rotor type
Contact element is socketed on all portions of contact pin body 02.
It is relatively reliable in order to ensure the fixation between elastic Wound-rotor type contact element 01 and contact pin body 02, can be according to elasticity
The shape of Wound-rotor type contact element, sets groove, for limiting the inclined of elastic Wound-rotor type contact element in the periphery of contact pin body
Move.Depth of groove is slightly less than the width of elastic Wound-rotor type contact element, and elastic Wound-rotor type contact element is flush-mounted in the groove.
The width of elastic Wound-rotor type contact element described herein is the diameter or width of the cylinder formed after coiling electric-conductor on support member,
Depth of groove is slightly less than the width of elastic Wound-rotor type contact element, may be such that elastic Wound-rotor type contact element body slightly protrudes groove
Outside opening, it is electrically connected with electric contact piece such as jack that is being inserted into etc. with more reliable.
Fixed form between elastic Wound-rotor type contact element and contact pin body can also be that the peripheral part of contact pin body sets
Protuberance is equipped with, cyclic spring Wound-rotor type contact element is removably fixed with the protuberance.The prominent size of protuberance is set
Should be not hinder the insertion of insert, while not hindering electrically connecting as cyclic spring Wound-rotor type contact element and device to be connected
Benchmark.If protuberance can be the form of block tongue.
Also being relatively fixed between elastic Wound-rotor type contact element and contact pin can be realized by interference fit.
In use, during elastic Wound-rotor type contact element is with the contact pin corresponding jack body of insertion, elastic Wound-rotor type contact
Element is in the electrical connection gap between contact pin body and jack, to form multifinger electrical connection form, it is ensured that contact pin sheet
Connection reliability between body and jack.
Elastic Wound-rotor type contact element is applied to jack contact by embodiment 9
With reference to Fig. 5-1 to Fig. 5-3, the ring in the elastic Wound-rotor type contact element preferably embodiment 3 to 7 in jack is can be applied to
Shape, arc（Open loop shape）With spirality elasticity Wound-rotor type contact element.Fig. 5-1 to Fig. 5-3 shows a kind of with elastic coiling
The jack contact of formula contact element, it includes jack body 03 and elastic Wound-rotor type contact element 01.
Elastic Wound-rotor type contact element is removably fixed in the endoporus 03 of jack body, and elastic Wound-rotor type contact element
01 is set with the female coaxial of jack body.The central shaft of elastic Wound-rotor type contact element is elastic Wound-rotor type contact element herein
The central shaft of annular, arc or spiral in shape.
In order to ensure the connection reliability between elastic Wound-rotor type contact element and jack body, can be in jack body
The hole side circumferentially disposed groove of wall, depth of groove is slightly less than the width of elastic Wound-rotor type contact element, elastic Wound-rotor type contact element
It is flush-mounted in the groove.The width of elastic Wound-rotor type contact element described herein is to be formed after coiling electric-conductor on support member
The diameter or width of cylinder.
Also cyclic spring Wound-rotor type contact element can be connect in the endoporus side circumferentially disposed protuberance of wall of jack body, protuberance support
Part.Protuberance can using block tongue form, or, protuberance is set along the endoporus side wall circumference omnidirectional of jack body, can be whole
Body support connects cyclic spring Wound-rotor type contact element.The prominent size of protuberance is set also should be not hinder the insertion of insert, together
When do not hinder insert contact with cyclic spring Wound-rotor type contact element on the basis of.
Multifinger elastic Wound-rotor type contact element is built in the endoporus of jack contact so that jack contact is same
Sample has multifinger feature, and structural stability is preferable in itself due to elastic Wound-rotor type contact element so that even if jack is long
Phase uses, and also can guarantee that preferable electrical connection properties.
Be applied to elastic Wound-rotor type contact element in plug-in type electric connector by embodiment 10
In the present embodiment, electric connector includes contact pin body, jack body and elastic Wound-rotor type contact element, and elastic Wound-rotor type connects
Tactile element with contact pin this mates composition contact pin contacting piece, then can constitute plug-in type with jack body as described in Example 8
Electric connector.Can also as described in Example 9, first this mates constitutes jack contact to elastic Wound-rotor type contact element with jack
Part, then constitutes plug-in type electric connector with contact pin body.Details are as follows：
Embodiment 10-1
As shown in Fig. 4-1, a kind of electric connector of the flexible Wound-rotor type contact element of contact pin contacting piece band, including jack body and
Contact pin contacting piece, the contact pin contacting piece includes the elastic Wound-rotor type contact element 01 of contact pin body 02 and at least one.Contact pin sheet
Annexation between body 02 and elastic Wound-rotor type contact element is as described in Example 8.In jack body can using multiple annulars,
Arc or spiral elastic Wound-rotor type contact element, to increase the conductive contact surfaces of jack body and contact pin contacting piece, increase
Discharge capacity.
Embodiment 10-2：
As shown in Fig. 5-1 to Fig. 5-3, a kind of electric connector of the flexible Wound-rotor type contact element of jack contact band, including：Insert
Pin body 02 and jack contact, the jack contact include the elastic Wound-rotor type contact element of jack body 03 and at least one
01.Annexation between jack body 03 and elastic Wound-rotor type contact element 01 is as described in Example 9.Contact pin body peripheral can
Multiple elasticity Wound-rotor type contact elements are set, to increase the conductive contact surfaces of contact pin body and jack contact, increase electrical connection
The discharge capacity of device.
Elastic Wound-rotor type contact element is applied to embodiment 11 electrical connection between plate
When realizing the electrical connection between plate using elastic Wound-rotor type contact element of the invention, not only elastic Wound-rotor type contact element
Structural stability is good in itself for part, while being electrically connected between plate and between plate and elastic contact element reliable.
With reference to shown in Fig. 6, in the elastic Wound-rotor type contact element preferably embodiment 3 to 7 electrically connected between can be applied to plate
Annular, arc（Open loop shape）With spirality elasticity Wound-rotor type contact element.
Conductive plate 04 includes connected plate-like body 41 and block tongue 42, between being provided with clamping between plate-like body 41 and block tongue 42
Gap；Wound-rotor type contact element 01 is connected in above-mentioned clamping gap so that the elastic sidepiece of Wound-rotor type contact element 01 and tabular sheet
Body 41 is in contact.
Support member bends curved, annular or spirality so that elastic Wound-rotor type contact element has center blocked hole；Institute
In stating the center blocked hole that block tongue snaps in elastic Wound-rotor type contact element.So that between elastic Wound-rotor type contact element and conductive plate
The structure of two-way clamping is formed, stability and reliability are further enhanced.
Fig. 6 illustrate only the attachment structure of elastic Wound-rotor type contact element 01 and a plate 04, elastic Wound-rotor type contact
Connection between element and another plate can be in the form of abutting, and such as another plate to be connected is printed board, then will printing
The plate face of plate is connected to the other side of elastic Wound-rotor type contact element 01, that is, realize the electrical connection between plate.
Electric-conductor
In above example, each electric-conductor is single spiral helicine conductive filament, or is formed by least two conductive filament process.
Single spiral helicine conductive filament is first by conductive filament spiral, the then coiling on support member, such single electrical silk
Inherently there is elasticity, it is possible to decrease snap-in force during as elastic contact element.
The electric-conductor can also be by the single layer structure of 2-5 root conductive filament process.
By the sandwich construction of multi-filament process, i.e., electric-conductor can also be：The electric-conductor is sequentially provided with from the inside to the outside
The outer layer of central core and encirclement central core, central core includes the single or many silk of laminating；Outer layer includes many conductive filaments.
Preferably, electric-conductor is three layers of twisted wire structure, and central core, intermediate layer and outer layer, outer layer are set gradually from inside to outside
The process direction of silk is in opposite direction with the process of intermediate layer silk；The spiral angle of central core, intermediate layer and outer layer silk sequentially reduces.
Embodiment 12
With reference to shown in Fig. 8-1 to 8-4, the electric-conductor is, by the sandwich construction that at least 6 silks are stranding into, sequentially to set from outside to inside
There are at least one outer layer and central core, outer layer includes multi-filament, gap is provided between many of outer layer, central core includes individual thread
Or the silk of 2-5 roots laminating, the silk in the outermost outer layer of electric-conductor is conductive filament, is closely to paste between the silk of adjacent layer
Close.The process of the silk in the process direction of outer layer silk and adjacent layer is in opposite direction；In central core and each outer layer, compared with outer layer
Silk spiral angle less than compared with the silk on internal layer spiral angle.
It is highly preferred that electric-conductor is three-decker with reference to described in Fig. 8-2, outer layer, intermediate layer and center are provided with from outside to inside
Layer；Outer 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 single
Silk or the silk of 2-5 roots laminating；The silk in central core and intermediate layer is conductive filament or structural filaments, is closely to paste between the silk of adjacent layer
Close.
It is further preferred that with reference to shown in Fig. 8-3, the electric-conductor of the three-decker, outer layer includes 15 silks, between outer
The intermediate layer of layer and central core includes 9 silks, and central core includes 3 silks of laminating.
In the present embodiment, the gap between the multi-filament of same outer layer is (0.1-0.4) of the individual thread diameter of the outer layer
Times；Preferably, the gap between the multi-filament of same outer layer is 0.2 times of the individual thread diameter of the outer layer.
In a kind of actual application, as shown in Fig. 8-1 and Fig. 8-2, the central core of electric-conductor is set to single electrical silk, outward
Layer sets 6 conductive filaments.
In actual another application, the electric-conductor can also be set to three layers of twisted wire structure, and electric-conductor is from the inside to the outside
Sequentially it is provided with central core, intermediate layer and outer layer；Preferably, the silk of central core is provided with 1-5 roots, and the silk in intermediate layer is provided with 5-12 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 helical angle of the silk on intermediate layer
It is 65-78 degree to spend, and the spiral angle of the silk on outer layer is 45-60 degree.It is highly preferred that as shown in Fig. 8-3 and Fig. 8-4, central core
Including 3 silks of laminating, outer layer includes 15 silks, and intermediate layer includes 9 silks, wherein, D is the diameter dimension of electric-conductor, and d is single
The diameter dimension of root conductive filament, Δ be same outer layer multi-filament between be provided with gap.Preferably, the silk nominal diameter of each layer is expired
Foot：0.91d1≤d2≤1.1d1,0.91d1≤d3≤1.1d1, wherein be each nominal diameter of silk of d1 central cores, during d2 is
Each nominal diameter of silk of interbed, d3 is each nominal diameter of silk of outer layer.
Preferably, the diameter difference of the silk of each layer is equal, as shown in Fig. 8-3 and Fig. 8-4, 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 electric-conductor is sequentially provided with central core and at least one outer layer from the inside to the outside, according to application scenarios need
Will, the silk in central core can be conductive filament or structural filaments, and the silk in outermost outer layer is conductive filament, between center
The material of the silk of other outer layers between layer and outermost outer layer can be with identical, it is also possible to different, can be conductive filament, also may be used
Being the structural filaments without electric conductivity；Conductive filament, preferred material is copper free wire, tin bronze wire or beryllium-bronze silk；Strand wire
When the silk of the central core of structure is structural filaments, preferred material is high-strength material, such as stainless steel wire；Three layers or more layer twisted wire knot
The silk in the intermediate layer of structure, preferred material is copper alloy silk or aluminum-alloy wire.
The cross section of the electric-conductor that many conductive filaments in the present invention are stranding into can be circular or oval or rectangle or waist
Shape.
Following effect can be brought using the electric-conductor in the present invention：
（1）Increase current capacity, so that temperature rise is lower, and under equal current capacity, many sections of conductive filament are led less than single
Electrical filament, material-saving；
（2）Increase contact points, so as to improve contact reliability；
（3）During product non-normal use, even if a small amount of conductive filament is damaged, because contact point is more, product will not be caused to lose
Effect；
（4）Increase conductive filament radical, smaller snap-in force is obtained, so as to increase substantially connect-disconnect life；
Test data shows, when using three-decker（Include central core A, intermediate layer B and outer layer C）Electric-conductor, such as Fig. 8-3
With shown in Fig. 8-4, the elastic contact element of a diameter of 12mm is manufactured, wherein, central core includes 3 silks of laminating, and outer layer includes
15 silks, intermediate layer includes 9 silks, and the spiral angle of the silk on central core 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 prismatic
The electric-conductor that single electrical silk is constituted, its current capacity is improved and is more than 20%, and temperature rise declines more than 30%, and snap-in force can decline 40%
More than, connect-disconnect life improves more than 10 times.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of electric contact piece with elastic double helix Wound-rotor type contact element, it is characterized in that, the elastic double helix coiling
Formula contact element includes the electric-conductor of support member and multiple line styles；
Twist, support member periphery is provided with multiple winding slots, the spiral that multiple winding slots are parallel to each other for the support member bending
Support member periphery is arranged at, and the two ends of each winding slot extend respectively to support member two ends；
Each electric-conductor is around in along single winding slot respectively can mutual conduction between support member periphery, and multiple electric-conductors.
2. the electric contact piece with elastic double helix Wound-rotor type contact element according to claim 1, it is characterized in that, elasticity
Double helix Wound-rotor type contact element axially be projected as triangle, circle, ellipse or bielliptic(al) shape.
3. the electric contact piece with elastic double helix Wound-rotor type contact element according to claim 1 and 2, it is characterized in that,
Connect between the adjacent conductive part being around in adjacent winding slot, to cause to be conducted between all electric-conductors.
4. the electric contact piece with elastic double helix Wound-rotor type contact element according to claim 1, it is characterized in that, support
It is circular or polygonal cylinder that part uses cross section, after winding slot is set, the periphery indention of support member cross section.
5. the electric contact piece with elastic double helix Wound-rotor type contact element according to claim 1 and 2, it is characterized in that,
Each electric-conductor is single spiral helicine conductive filament, or is formed by least two conductive filament process.
6. the electric contact piece with elastic double helix Wound-rotor type contact element according to claim 5, it is characterized in that, respectively lead
Electric body is by the single layer structure of 2-5 root conductive filament process.
7. the electric contact piece with elastic double helix Wound-rotor type contact element according to claim 5, it is characterized in that, it is described
Electric conductor be sequentially provided with from the inside to the outside central core and surround central core outer layer, central core include single or many laminating
Silk；Outer layer includes many conductive filaments.
8. the electric contact piece with elastic double helix Wound-rotor type contact element according to claim 5, it is characterized in that, it is described
Electric conductor is three layers of twisted wire structure, and central core, intermediate layer and outer layer are set gradually from inside to outside, and the process direction of outer layer silk is with
The process of interbed silk is in opposite direction；The spiral angle of central core, intermediate layer and outer layer silk sequentially reduces.
9. the electric contact piece with elastic double helix Wound-rotor type contact element according to claim 7 or 8, it is characterized in that,
Gap is provided between many conductive filaments of the outer layer, the gap between the multi-filament of same outer layer is that the individual thread of the outer layer is straight
(0.1-0.4) in footpath times.
10. the electric contact piece with elastic double helix Wound-rotor type contact element according to claim 9, it is characterized in that, institute
State the individual thread diameter that the gap between the multi-filament of same outer layer part is the outer layer part 0.2 times.
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| CN201611192697.2A CN106848684A (en) | 2016-12-21 | 2016-12-21 | A kind of electric contact piece with elastic double helix Wound-rotor type contact element |
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| CN201611192697.2A CN106848684A (en) | 2016-12-21 | 2016-12-21 | A kind of electric contact piece with elastic double helix Wound-rotor type contact element |
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| CN107978387A (en) * | 2017-09-12 | 2018-05-01 | 苏州华旃航天电器有限公司 | A kind of seal and its CA cable assembly with elastic supporting member for supporting optical member |
| CN112467419A (en) * | 2020-11-23 | 2021-03-09 | 马钊 | Self-adaptive high-voltage cable connector |
| CN114333574A (en) * | 2021-12-09 | 2022-04-12 | 霸州市云谷电子科技有限公司 | Flexible screen body |
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Application publication date: 20170613 |