CN107069290A - Electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact - Google Patents
Electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact Download PDFInfo
- Publication number
- CN107069290A CN107069290A CN201611192698.7A CN201611192698A CN107069290A CN 107069290 A CN107069290 A CN 107069290A CN 201611192698 A CN201611192698 A CN 201611192698A CN 107069290 A CN107069290 A CN 107069290A
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- China
- Prior art keywords
- contact element
- rotor type
- type contact
- spiral shape
- wound
- 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
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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
- H01R13/15—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
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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
-
- 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 present invention discloses the electric connector with the elastic Wound-rotor type contact element of spiral shape in a kind of jack contact, and the jack contact includes jack body and the elastic Wound-rotor type contact element of spiral shape;Spiral shape elasticity Wound-rotor type contact element includes support member and the electric-conductor of multiple line styles;Support member periphery is provided with multiple winding slots, and the two ends of each winding slot extend respectively to support member two ends;Each electric-conductor is around in mutual conduction between support member periphery, and multiple electric-conductors along single winding slot respectively;Support member is bent twist, forms the elastic Wound-rotor type contact element of spiral shape;Spiral shape elasticity Wound-rotor type contact element is removably fixed in the endoporus of jack body, and spirality winding line formula contact element is to be coaxially disposed the present invention to utilize spirality winding line formula contact element to realize that plug-in type is electrically connected with the endoporus of jack body, improve the reliability of electrical connection of jack contact, the life-span of contact and receptacle connector connects longer, and structural stability is preferable.
Description
Technical field
The present invention relates to technical field of electric connectors, the elastic Wound-rotor type of spiral shape is carried in particularly a kind of jack contact
The electric connector of contact element.
Background technology
In the prior art, general realized by contact pin with the direct contact of jack of plug-in type electric connection structure electrically connects, by
In factors such as process conditions limitations, the reliability of electrical connection of this grafting form is poor, and the multiple plug of long-term use can cause
Worse and worse, the life-span is shorter for reliability.
Meanwhile, in electrical connectors, the contact area of electrical connection is the important indicator of a measurement connection reliability, especially
It is the electric contact piece or electric connector being operated under high current.In the electric contact piece of prior art, such as contact pin contacting piece or jack
Contact, it is typically all using many fingertips contact electrical connections of single-wire helix spring, such as the publication retrieved that it is interior:
CN102427180A, CN102570115B are described as follows respectively:
Publication No. CN102427180A patent application document discloses a kind of spring touch finger, socket and jack system, wherein,
Spring touch finger refers to including oblique double laminated spring, and first angle 4 is the angle of the second plane 9 and the first plane 11, and second angle 5 is
First angle 4 is more than second angle 5 in the angle of second plane 9 and the 3rd plane 10, unit ring, it is ensured that spring wire was detouring
Spiral in journey in each unit ring is oblique, is specifically shown in Fig. 9-1.
Notification number for CN102810782B patent document disclose conducting terminal, the circuit board for being provided with conducting terminal and
Board to board connector, wherein, spring touch finger, distance is the first distance 12 between point 11 in point 9 and second in first;The
It is second distance 13 that point 9 and the outer distance between point 10 are surround in one;First distance 12 is less than second distance 13.It is specifically shown in
Fig. 9-2.
In order to realize in preferable contact performance, 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
After construction, longer storage period, the stress release of spring touch finger construction, snap-in force/insertion force may be caused, which to increase to, to 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:Realize that plug-in type makes electrical contact with using the elastic Wound-rotor type contact element of spiral shape
The life-span of part, the reliability of electrical connection of raising jack contact, spiral shape elasticity Wound-rotor type contact element and jack contact is all
It is longer, and structural stability is preferable.
The technical scheme that the present invention takes is specially:With the elastic Wound-rotor type contact element of spiral shape in a kind of jack contact
The electric connector of part, the jack contact includes jack body and the elastic Wound-rotor type contact element of spiral shape;
Spiral shape elasticity Wound-rotor type contact element includes support member and the electric-conductor of multiple line styles;Support member periphery provided with it is multiple around
Wire casing, the two ends of each winding slot extend respectively to support member two ends;Each electric-conductor is around in outside support member along single winding slot respectively
Mutual conduction between week, and multiple electric-conductors;Support member is bent twist, forms the elastic Wound-rotor type contact element of spiral shape;
Spiral shape elasticity Wound-rotor type contact element is removably fixed in the endoporus of jack body, and spirality winding line formula contact element
The endoporus of part and jack body is to be coaxially disposed.
The present invention is in use, multiple electric-conductors being conducted are combined into multifinger electrical connection contact element, connection
Reliability is improved, and support member is played a supporting role to electric-conductor, can improve the structural stability of elastic contact element.To be many
The spirality winding line formula contact element of contact is built in being electrically connected for jack and patched in endoporus so that jack contact equally has many
The characteristics of contact, and because elastic Wound-rotor type contact element structural stability itself is preferable so that even if jack contact is long-term
Use, also can guarantee that preferable electrical connection properties.
Further, in the present invention, the endoporus side wall of jack body is circumferentially disposed fluted, and depth of groove is less than spiral shape
The width of elastic Wound-rotor type contact element, spiral shape elasticity Wound-rotor type contact element is flush-mounted in the groove.Bullet described herein
The width of property Wound-rotor type contact element is the diameter or width of the cylinder formed on support member after conductive body.
As another embodiment, the endoporus side wall of jack body of the present invention is circumferentially provided with protuberance, the protrusion
Portion's support connects the elastic Wound-rotor type contact element of spiral shape.The protrusion size of protuberance set also should not hinder the insertion of insert,
That does not hinder spirality winding line formula contact element and device to be connected simultaneously electrically connects as benchmark.
Also other existing types of attachment can be used between spiral shape elasticity Wound-rotor type contact element and the endoporus of jack body,
Such as block tongue clamping.
Further, in the present invention the elastic Wound-rotor type contact element of spiral shape axially be projected as triangle, circle,
Ellipse or bielliptic(al) shape.Also other shapes can be arranged as required into so that elastic contact element has in application process
Relatively reliable degree of allowing space, realizes reliable resilient electrical contact.
It is preferred that, in the present invention, what each winding slot was parallel to each other is set along support member periphery spiral, is around in adjacent winding slot
Periphery connects between interior electric conductor.That is adjacent conductive part connects, formed many electric-conductors support member periphery side by side it is close around shape
Formula, reliability of electrical connection is higher.This is as make it that between different electric-conductors a kind of embodiment of conducting, shape can be electrically connected to each other
Into the Wound-rotor type contact element of double helix, with preferable reliability of electrical connection.Coiling form of the electric conductor in support member periphery
Also other forms can be arranged as required into.
In the present invention, each electric-conductor is single spiral helicine conductive filament, or includes the conductive filament of at least two process.
It is preferred that, each electric conductor is the single layer structure by 2-5 root conductive filament process.
It is preferred that, electric-conductor of the present invention is from the inside to the outside sequentially provided with central core part and at least one outer layer part, center
Layer part includes the silk of single or many laminating;Outer layer part includes being provided between many conductive filaments, many conductive filaments of outer layer part
It is to be brought into close contact between gap, the silk of adjacent layer.
It is preferred that, the electric-conductor is three layers of twisted wire structure, and central core, intermediate layer and outer layer are set gradually from inside to outside,
The process direction of outer layer silk and the process of intermediate layer silk are in opposite direction;The spiral angle of central core, intermediate layer and outer layer silk is sequentially
Reduce.
It is preferred that, the gap between the multi-filament of the same outer layer part is the (0.1- of the individual thread diameter of the outer layer part
0.4) again.It is preferred that, 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.
Beneficial effect
In the present invention, by the coiling electric-conductor on support member, and integrally bending is twist, is formed with multiconductor characteristic
Spiral shape elasticity Wound-rotor type contact element, it is ensured that the reliability of electrical connection;The setting of support member can play branch to electric-conductor
Support is acted on, the structural stability of increase elastic contact element in itself, reduces what is brought by the irreversible static deformation of long-term use
Hydraulic performance decline, extends the service life of elastic contact element.The various structure types of electric-conductor can play increase current capacity,
Temperature rise is reduced, increase contact points reduce the effect of snap-in force, can further lift the electrical contact reliability of contact, prolong
The long contact life-span.The combination of jack and the elastic Wound-rotor type contact element of spiral shape causes the electrical connection properties of jack contact more
Plus it is reliable, corresponding electric connector reliability is also higher, and service life is also longer.
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 the elastic Wound-rotor type contact element structural representation of double helix;Fig. 3-4 institute
It is shown as the axial screw track schematic diagram of the elastic Wound-rotor type contact element of spiral shape;
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 spiral shape bullet
The mirror image diagrammatic cross-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 spiral shape 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, which is shown in support member, sets through hole as the elastic Wound-rotor type contact element structural representation of liquid cooling medium passage
Figure;Fig. 7-2 show in the support member of the elastic Wound-rotor type contact element of spiral shape and sets through hole as the knot of liquid cooling medium passage
Structure schematic diagram;Fig. 7-3 show the elastic Wound-rotor type contact element structural representation that the cold conduit of liquid is set in support member;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 the overall structure diagram of the electric-conductor of many conductive filaments;Layer is single electrical silk centered on Fig. 8-2, outside
Layer has the sectional view of the electric-conductor of many conductive filaments;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 the section view of the electric-conductor of many conductive filaments
Diagram;
Fig. 9-1 and Fig. 9-2 is the prior art dependency structure figure pointed out in background technology:Fig. 9-1 is patent CN102427180A
Accompanying drawing 2;Fig. 9-2 is patent CN102570115B accompanying drawings 3c.
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 the electric-conductor of multiple line styles 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 it be conducted between all electric-conductors 2.
Multiple electric-conductors being conducted form multifinger elasticity with support combination and electrically connect contact element, 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 the periphery of support member 1 along single winding slot 11 respectively, and can be mutual between multiple electric-conductors 2
Conducting.
Support member can use section for circular, oval, square, polygon, 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, elastic Wound-rotor type of the present embodiment to the formation of coiling electric-conductor 2 on support member 1
Contact element carries out integrally bending, i.e., by 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 are reliable.Under this situation, being touched in order that being ultimately formed between obtaining multiple electric-conductors 2 one more
The conduction of point is overall, i.e., can be electrically connected to each other the winding method of multiple electric-conductors on conducting, support member between multiple electric-conductors
Also have a variety of, 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 can be electrically connected in conducting, the present embodiment between obtaining different electric-conductors, 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, which is provided between at least three winding slot, adjacent winding slot, is
Spaced set;Support member is bent 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(It is non-helical to rise)Deng.
Embodiment 4
On the basis of embodiment 1 or embodiment 2, the present embodiment connects to the elastic Wound-rotor type of coiling electric-conductor formation on support member
Touch element and carry out integrally bending, i.e., it is support member integrally bending is curved so that elastic Wound-rotor type contact element is in open loop arc.
The electric-conductor being around in simultaneously on support member is bent therewith.
Embodiment 5
With reference to Fig. 3-3 and Fig. 3-4, support member is bent twist, forms the elastic Wound-rotor type contact element of spiral shape, the bullet of spiral
Property Wound-rotor type contact element has more preferable elastic performance.
In embodiment 4 and embodiment 5, in order that a conductive entirety can be formed by obtaining multiple electric-conductors, 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 spiral shape, 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
The electrical connection properties of elastic contact element and contact can be influenceed less, 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 based on the elastic Wound-rotor type contact element structure described in embodiment 1,2,3,4,5, for elasticity around
The radiating of wire type contact element is described.The mode of heat evacuation 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, to ensure that the circulation of liquid cooling medium temperature is constant, and then make it 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 to be used 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 directly 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, the quantity of through hole may also set up it is multiple, it is preferably most
Amount is close to electric-conductor.
Path of the through hole inside support member can be linear pattern, shaped form or other irregular shapes.
Docked for convenience with the outside liquid cooling medium circulatory system, the two ends of through hole can set logical liquid interface respectively.
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, for convenience liquid cooling medium passage dismounting and maintenance, 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 two ends are respectively equipped with logical liquid interface.
When the liquid cooling medium passage in support member 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 liquid preferred embodiment 7-1
With reference to shown in Fig. 7-4, in order that the cooling effect for obtaining liquid cooling medium is more preferable, 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, the passage Outboard Sections being used for through the cold conduit of liquid opened up in support member with around
Wire casing is overlapping, also hence in so that the cold conduit outside portion of liquid can directly be contacted with electric-conductor, 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, it can choose at two and to be punched as liquid outlet on the circular path of elastic Wound-rotor type contact element.
Elastic Wound-rotor type contact element is applied to contact and electric connector
General realized by contact pin with the direct contact of jack of existing plug-in type electric connector structure electrically connects, due to process conditions
The factors such as limitation, the electric connector reliability of this grafting form is poor, and multiple plug, which is used for a long time, to 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 elastic 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, during the elastic Wound-rotor type contact element that can be applied to contact pin contacting piece is preferably embodiment 3 to 7
Annular, arc(Open loop shape)With the elastic Wound-rotor type contact element of spiral shape.Fig. 4-2 and Fig. 4-3 shows a kind of flexible
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.
, can be according to elasticity in order to ensure that the fixation between elastic Wound-rotor type contact element 01 and contact pin body 02 is relatively reliable
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 on support member after coiling electric-conductor,
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 more reliable with electric contact piece such as jack that is being inserted into etc..
Fixed form between elastic Wound-rotor type contact element and contact pin body can also be that the peripheral part of contact pin body is set
Protuberance is equipped with, cyclic spring Wound-rotor type contact element is removably fixed with the protuberance.The protrusion 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 being interference fitted.
In use, elastic Wound-rotor type contact element is inserted in corresponding jack body with contact pin, 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 elastic Wound-rotor type contact element that can be applied in jack is preferably the ring in embodiment 3 to 7
Shape, arc(Open loop shape)With the elastic Wound-rotor type contact element of spiral shape.Fig. 5-1 to Fig. 5-3 shows a kind of flexible 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.
, can be in jack body in order to ensure the connection reliability between elastic Wound-rotor type contact element and jack body
The circumferentially disposed groove of hole side 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 on support member after coiling electric-conductor
The diameter or width of cylinder.
Also can jack body the circumferentially disposed protuberance of endoporus side wall, protuberance support connects cyclic spring Wound-rotor type contact element
Part.Protuberance can using block tongue form or, the circumferential omnidirectional of endoporus side wall of the protuberance along jack body is set, can be whole
Body support connects cyclic spring Wound-rotor type contact element.The protrusion 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 because elastic Wound-rotor type contact element structural stability itself is preferable so that even if jack is long
Phase uses, and also can guarantee that preferable electrical connection properties.
Elastic Wound-rotor type contact element is applied 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 contact pin body 02 and at least one elastic Wound-rotor type contact element 01.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 it is multiple annular,
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 jack body 03 and at least one elastic Wound-rotor type contact element
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 elastic 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 the electrical connection between plate by embodiment 11
When realizing the electrical connection between plate using the elastic Wound-rotor type contact element of the present invention, not only elastic Wound-rotor type contact element
Part structural stability itself is good, while being electrically connected between plate and between plate and elastic contact element reliable.
With reference to shown in Fig. 6, during the elastic Wound-rotor type contact element that can be applied to electrically connect between plate is preferably embodiment 3 to 7
Annular, arc(Open loop shape)With the elastic Wound-rotor type contact element of spiral shape.
Conductive plate 04 includes plate-like body 41 and the block tongue 42 being connected, and is provided between plate-like body 41 and block tongue 42 between clamping
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 spiral shape so that elastic Wound-rotor type contact element has center blocked hole;Institute
Block tongue is stated to be caught in the center blocked hole of 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 printed board using the form abutted, such as another plate to be connected, then will printing
The plate face of plate is connected to the other side of elastic Wound-rotor type contact element 01, that is, realizes 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
It is inherently flexible, it is possible to decrease to be used as snap-in force during elastic contact element.
The electric-conductor can also be by the single layer structure of 2-5 root conductive filament process.
Electric-conductor can also be the sandwich construction by multi-filament process, i.e.,:The electric-conductor is sequentially provided with from the inside to the outside
Central core and the outer layer for surrounding central core, central core include the silk of single or many laminating;Outer layer includes many conductive filaments.
It is preferred that, 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 and the process of intermediate layer silk are in opposite direction;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 being provided with gap between multi-filament, many of outer layer, and central core includes individual thread
Or the silk of 2-5 roots laminating, it is close patch between conductive filament, the silk of adjacent layer that the silk in the outermost outer layer of electric-conductor, which is,
Close.The process direction of the outer layer silk and the process of the silk in adjacent layer are in opposite direction;In central core and each outer layer, compared with outer layer
Silk spiral angle be 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, and from outside to inside provided with outer layer, intermediate layer and center
Layer;The silk that outer layer includes in multi-filament, outer layer is that gap is provided between conductive filament, the multi-filament of outer layer;Central core includes single
Silk or the silk of 2-5 roots laminating;It is close patch between conductive filament or structural filaments, the silk of adjacent layer that central core and the silk in intermediate layer, which are,
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 the silk of 3 laminatings.
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 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, outside
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 silk on the central core is the helical angle of the silk on 80-85 degree, intermediate layer
Spend for 65-78 degree, 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
Include the silk of 3 laminatings, 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 for 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 being the nominal diameter of each silk of d1 central cores, during d2 is
The nominal diameter of each silk of interbed, d3 is the nominal diameter of each 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 ± the 20% of this layer 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, can also be different, can be conductive filament, also may be used
To be the structural filaments of no 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 for the electric-conductor that many conductive filaments in the present invention are stranding into can be circular or ellipse 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, the section of many conductive filaments is less than single lead
Electrical filament, saves material;
(2)Increase contact points, so as to improve contact reliability;
(3)During product non-normal use, even if a small amount of conductive filament is damaged, because contact point is more, product will not be caused to lose
Effect;
(4)Increase conductive filament radical, smaller snap-in force is obtained, so as to increase substantially connect-disconnect life;
Test data shows, when using three-decker(Include central core A, intermediate layer B and outer layer C)Electric-conductor, such as Fig. 8-3
With shown in Fig. 8-4, a diameter of 12mm elastic contact element is manufactured, wherein, central core includes the silk of 3 laminatings, and outer layer includes
15 silks, the spiral angle that intermediate layer includes the silk on 9 silks, 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, which is improved, 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.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. the electric connector with the elastic Wound-rotor type contact element of spiral shape in a kind of jack contact, it is characterized in that, it is described to insert
Hole contact includes jack body and the elastic Wound-rotor type contact element of spiral shape;
Spiral shape elasticity Wound-rotor type contact element includes support member and the electric-conductor of multiple line styles;Support member periphery provided with it is multiple around
Wire casing, the two ends of each winding slot extend respectively to support member two ends;Each electric-conductor is around in outside support member along single winding slot respectively
Mutual conduction between week, and multiple electric-conductors;Support member is bent twist, forms the elastic Wound-rotor type contact element of spiral shape;
Spiral shape elasticity Wound-rotor type contact element is removably fixed in the endoporus of jack body, and spirality winding line formula contact element
The endoporus of part and jack body is to be coaxially disposed.
2. the electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact according to claim 1,
It is characterized in that, the endoporus side wall of jack body is circumferentially disposed fluted, and depth of groove is less than the elastic Wound-rotor type contact element of spiral shape
The width of part, spiral shape elasticity Wound-rotor type contact element is flush-mounted in the groove.
3. the electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact according to claim 1,
It is characterized in that, the endoporus side wall of jack body is circumferentially provided with protuberance, and the protuberance support connects the elastic Wound-rotor type of spiral shape and connect
Touch element.
4. with the elastic Wound-rotor type contact element of spiral shape in the jack contact according to any one of claims 1 to 3
Electric connector, it is characterized in that, spiral shape elasticity Wound-rotor type contact element axially be projected as triangle, circle, ellipse
Or bielliptic(al) shape.
5. with the elastic Wound-rotor type contact element of spiral shape in the jack contact according to any one of claims 1 to 3
Electric connector, it is characterized in that, what each winding slot was parallel to each other is set along support member periphery spiral, is around in leading in adjacent winding slot
Periphery connects between electric body.
6. with the elastic Wound-rotor type contact element of spiral shape in the jack contact according to any one of claims 1 to 3
Electric connector, it is characterized in that, each electric-conductor is single spiral helicine conductive filament, or includes the conductive filament of at least two process.
7. the electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact according to claim 6,
It is characterized in that, each electric conductor is the single layer structure by 2-5 root conductive filament process.
8. the electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact according to claim 6,
It is characterized in that, the electric-conductor is from the inside to the outside sequentially provided with central core part and at least one outer layer part, and central core part includes single
Or the silk of many laminatings;Outer layer part includes being provided with gap between many conductive filaments, many conductive filaments of outer layer part, adjacent layer
It is to be brought into close contact between silk.
9. the electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact according to claim 8,
It is characterized in that, the gap between the multi-filament of the same outer layer part is (0.1-0.4) times of the individual thread diameter of the outer layer part.
10. the electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact according to claim 9,
It is characterized in that, the gap between the multi-filament of the same outer layer part is 0.2 times of the individual thread diameter of the outer layer part.
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CN201611192698.7A CN107069290A (en) | 2016-12-21 | 2016-12-21 | Electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact |
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CN201611192698.7A CN107069290A (en) | 2016-12-21 | 2016-12-21 | Electric connector with the elastic Wound-rotor type contact element of spiral shape in jack contact |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110247231A (en) * | 2019-06-04 | 2019-09-17 | 中航光电科技股份有限公司 | A kind of novel no inner sleeve hyperboloid spring jack |
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CN102570115A (en) * | 2012-02-28 | 2012-07-11 | 深圳市簧中簧电子有限公司 | Socket conductor and socket system |
CN102834639A (en) * | 2010-04-22 | 2012-12-19 | 美国圣戈班性能塑料公司 | System, method and apparatus for stranded canted coil spring |
CN104766676A (en) * | 2008-08-15 | 2015-07-08 | 3M创新有限公司 | Stranded composite cable and method of making and using |
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DE3926042A1 (en) * | 1989-08-07 | 1991-02-14 | Bodo D Sperling | Electric plug and socket connector - has spiral spring(s) in socket embedded in insulating material, with parts available for contacting |
CN104766676A (en) * | 2008-08-15 | 2015-07-08 | 3M创新有限公司 | Stranded composite cable and method of making and using |
CN102834639A (en) * | 2010-04-22 | 2012-12-19 | 美国圣戈班性能塑料公司 | System, method and apparatus for stranded canted coil spring |
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Application publication date: 20170818 |