CN110504575A - For passing through the cutting contact and electric connector of insulator contact insulated conductor - Google Patents
For passing through the cutting contact and electric connector of insulator contact insulated conductor Download PDFInfo
- Publication number
- CN110504575A CN110504575A CN201910413822.5A CN201910413822A CN110504575A CN 110504575 A CN110504575 A CN 110504575A CN 201910413822 A CN201910413822 A CN 201910413822A CN 110504575 A CN110504575 A CN 110504575A
- Authority
- CN
- China
- Prior art keywords
- blade
- contact
- cutting contact
- cutting
- conducting wire
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
- H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
- H01R4/2425—Flat plates, e.g. multi-layered flat plates
- H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
- H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
-
- 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
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2407—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having saw-tooth projections
-
- 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
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
Landscapes
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Abstract
A kind of cutting contact, insulator for passing through insulated conductor contacts insulated conductor, the cutting contact includes multiple blades, the multiple blade is arranged side by side in a lateral direction, and it is protruded in the direction of extension from base portion, each blade has inclined surface, which extends from the free end of blade towards base portion and towards the channel for receiving wire, which extends between blade in a lateral direction.The solution of this field can suffer from piercing through connective stability deficiency and pierce through the problem of connection reliability deficiency.However, the two is all essential for electric power and data transmission applications.Cutting contact of the invention solves these problems by blade, and the blade is asymmetrically tapered towards corresponding free end.Electric connector of the invention is by including that cutting contact of the invention solves the above problem, wherein at least in assembled state, the channel at least partly extends in the conducting wire holder of electric connector.
Description
Technical field
The present invention relates to a kind of cutting contacts, such as insulator Displacement Contact or puncture contact, for across insulated conductor
Insulator contact insulated conductor, which includes multiple blades, and the blade is juxtaposed to each other in a lateral direction,
And protruded on the extending direction perpendicular to transverse direction from base portion, each blade has inclined surface, and inclined surface is from blade
Free end extend towards base portion, and face the channel for receiving wire, channel extends between blade in a lateral direction.
The invention further relates to a kind of electric connectors, contact insulated conductor for the insulator across insulated conductor.
Background technique
Cutting contact for electronic device is well known in the art.A kind of prior art solution of this cutting contact
Certainly scheme is insulator Displacement Contact (IDC contact), through fork-shaped connecting elements from the insulator that conducting wire is cut in two sides.This
Kind IDC contact may damage the conductive core of conducting wire, and it also requires being greater than conducting wire for the size of conducting wire and the holder of IDC contact
Diameter itself.The solution of second of prior art is to pierce through connector comprising blade, the blade, which is pushed through, leads
The insulator of line and the conductive core for entering conducting wire, core preferably include multiple conducting wire strands.
The distinct disadvantage of IDC connector is that their area occupied is big and fill factor is low, that is, the area of conducting wire with contact
Area needed for them is related.The known stability for piercing through the connection that connector has another disadvantage that they are provided and reliable
Property is low.
For electric power and signal application, needs high puncture connective stability and pierce through connection reliability.
Summary of the invention
Therefore, it is an aspect of the invention to provide a kind of cutting contact and electric connectors, with lesser occupancy face
Long-pending and higher fill factor.
The cutting contact of the invention being initially mentioned solves the above problem, be blade relative to extending direction towards it
Corresponding free end it is asymmetricly tapered.
The electric connector being initially mentioned solves the above problem in the following manner: including for receiving insulated conductor extremely
A few conducting wire holder and at least one cutting contact according to the present invention, wherein blade protrudes into conducting wire holder, and logical
The opening that road is at least partly parallel to conducting wire holder towards the conducting wire holder of electric connector extends.
Therefore, cutting contact of the invention and electric connector of the invention this have the advantage that, are piercing through insulator and are leading
During core, asymmetric power is applied on wire stylet, especially on sub-thread or stranded conductor core, so that with the prior art
Solution is compared, and increased contact pressure between wire stylet and inclined surface is obtained.This increased contact pressure causes
It pierces through connective stability and pierces through the improvement of connection reliability.
Cutting contact of the invention and electric connector of the invention can be by other specific implementations for being described below
The additional technical feature that provides improves in example.If by omit technical characteristic obtain technical effect for the present invention not
It is necessary, then the technical characteristic of specific embodiment can any combination or omission each other.
Cutting contact of the invention can for example particularly including three blades be juxtaposed to each other in a lateral direction.
Cutting contact can be the sheet metal component of punching press, and wherein transverse direction and extending direction can be preferably parallel to sheet metal component, special
It is not parallel to the surface of metal plate and cuts contact as made of original metal plate punching.The surface of metal plate is interpreted as metal plate
Upper surface or lower surface, and it is not related to (lesser) side surface at the edge of plate.Inclined surface is interpreted as rolling or oblique
Surface is preferably flat surfaces.In certain embodiments, in addition inclined surface can be curved.
Therefore, inclined surface is not limited to flat surfaces, but may include any of spill, convex or different shape surface
Combination.Therefore, adjacent blade may include concave surface, and wire stylet is received in the channel between blade,
Because it will be clamped by a pair of of pliers.In another embodiment, adjacent blade may include convex inclined surface.It can also think
To the other embodiment of cutting contact of the invention can be set in any combination of convex and spill inclined surface.
The free end of blade is preferably located in position more farther than the base portion of blade in the direction of extension.It answers in channel for receiving wire
It is interpreted as that the volume of surface portion limitation can be inclined by.The channel especially can only be picked up from side, especially along with prolong
Contrary direction is stretched to pick up.
The unsymmetrical arrangement of blade can be understood as the asymmetry of the projection of blade in a lateral direction.In this projection
In, blade is asymmetric relative to extending direction.However, each blade can show symmetry relative to symmetry axis.This
Kind of symmetry axis is not overlapped with extending direction, and with the angled definition of central plane, the central plane by transverse direction with
Extending direction limits, that is, is especially and the angled orientation of metal plate for die cut contact.The present invention is not limited to pass through
The cutting contact of punching press metal plate manufacture.
In another embodiment of cutting contact of the invention, at least two blades are from the not ipsilateral of central plane towards logical
Road, the central plane are limited by transverse direction and extending direction.The inclined surface of at least two blades can face opposite side
To.
This embodiment of the invention this have the advantage that the inclined surface towards opposite direction is in wire stylet, especially
Applied force on the strand of conducting wire, the power are directed into different directions.Therefore, can improve conducting wire relative to cutting contact and/
Or the fastening and fixation of electric connector.This leads to more stable electrical connection.
In corresponding electric connector, this embodiment for cutting contact helps to make to receive at least one conducting wire holder
In conducting wire it is placed in the middle.Therefore, conducting wire will not be misplaced in conducting wire holder to the side of conducting wire holder.Therefore, this corresponding electricity
Connector does not need additional support or reinforcement structure, and the support or reinforcement structure support are pulled to the electricity of conducting wire holder side
Cable.
About cutting contact, central plane is centrally located base portion preferably relative to the thickness of cutting contact.Right
In the electric connector answered, cutting contact, which is preferably received in, to be pierced through in holder, so that the central plane of cutting contact is relative to thorn
Wear holder and placed in the middle relative to conducting wire holder.Conducting wire holder for single conducting wire be also possible to it is asymmetric, for example, if making
With flat flexible cable or the like, wherein the conducting wire holder of the adjacent conductor portions of flat flexible cable is connected to each other,
Because the adjacent conductor portions are attached to each other by integral insulation body.In this case, if this flat flexible cable
Reception is contained in conducting wire holder, then the center of conducting wire holder is interpreted as the center of the core of conductor part.
In another embodiment, two subsets that blade can be limited, wherein each subset includes at least one blade.One
Whole blades of a subset can limit the first cutting planes limited by the edge and extending direction of the blade of corresponding subset,
It wherein can similarly limit the second cutting planes relevant to the second subset of blade.First and second cutting planes can be special
It is not parallel to each other and can be located at central plane it is not ipsilateral.
In another embodiment of cutting contact of the invention, blade is located at the not ipsilateral of channel in an alternating fashion.This
It is interpreted as the arrangement of adjacent blade, alternately towards the opposite direction towards channel.In very specific embodiment, the
One inclined surface towards first direction, the second inclined surface towards second direction, the second direction substantially with first direction phase
Instead, third inclined surface is towards first direction.Provided that the 4th blade, then the inclined surface of the 4th blade is towards second
Direction.
Utilize previous embodiment comprising the blade with the inclined surface towards different directions obtains wire stylet
Improved fixation.
Other than the advantage, the electrical connection cut between contact and wire stylet (strand of conducting wire) is arrived by wire movement
The process of the respective side of previously defined central plane is further improved.
This displacement of conducting wire in different directions leads to the deflection path of core (respectively conducting wire strand).With linear directional
Conducting wire compare, the path length of this deflection path increases, and causes to apply or act on the tensile stress on wire stylet.
This tensile stress also adds the contact pressure between wire stylet (or conducting wire strand) and inclined surface.It depends on
The configuration of inclined surface, that is, they towards direction, the deflection path of wire stylet may include S-shaped, double sigmoid or is similar to
Sinusoidal continuous shape.
It is unrelated with the specific shape for the deflection path for being applied to wire stylet, pass through the stretching of inclined surface lead-in conductor core
Power.
In another embodiment of cutting contact of the invention, the width of blade can be substantially permanent in a lateral direction
Fixed.It can be substantial constant, especially until free end.In other words, if in terms of the direction perpendicular to transverse direction,
Blade may not show taper.
In another embodiment of cutting contact of the invention, the back side has been can be set in blade, the back side towards with incline
The opposite direction of skewed surface, the back side are tilted relative to extending direction not as good as corresponding inclined surface.
Therefore, the back side of multiple blades can all deviate from channel.Since the back side is tilted not as good as inclined surface, reception is cut
Volume needed for cutting contact can be basically limited to the size of cutting contact, the thickness of metal plate is especially limited to, if such metal plate
Gold is for if die cut contact.
In another advantageous embodiment of cutting contact of the invention, the back side of blade is arranged essentially parallel to corresponding base portion
Orientation, wherein the back side is spaced apart far from channel with corresponding base portion.
Such embodiment this have the advantage that, can also contact leading with the thicker core of the thickness than cutting contact
The thickness of line, especially its base portion.Therefore, the blade of this embodiment is located remotely from each other, so that the size in channel increases,
To allow to contact bigger conducting wire.It is further favourable that preferably some blades are more preferably every if the back side of blade
A blade is flushed with corresponding base portion, is especially flushed with the back side of base portion.Therefore, the back side can preferably be cut with for punching press
The surface for cutting the metal plate of contact flushes.It is unrelated with manufacturing method, this embodiment (one or more of wherein one or more blades
A back side is flushed with base portion respectively) the advantages of be that space needed for receiving the present embodiment of cutting contact of the invention reduces.
In corresponding electric connector of the invention, therefore size can also be reduced in a thickness direction to connect by piercing through holder
Receive the cutting contact of at least one size reduction.Therefore, the electric connector for receiving this cutting contact can be further decreased
Form factor.
Preferably, the distance between two such flush surfaces, inclined surface faces in opposite directions, and is less than conducting wire
The diameter of core.In other different embodiments, which can be equal to the diameter of wire stylet, wherein biggish distance may be led
The incorrect contact for causing wire stylet, because only that insulator may be pierced and the core of conducting wire may not be reached by blade.
In another embodiment of cutting contact of the invention, blade further includes side, which, should towards transverse direction
Extending direction is parallel to extend and do not tilt relative to extending direction.
Cutting contact of the invention can be further improved, and be at base portion, and blade can be separated from each other.It is this separated
It can be provided by curved cuts, rectangular slits or triangular incision.
Additionally, it is contemplated that the other shapes of notch.Notch may be constructed the retainer of cutting contact, that is, with stop table
The form in face.At such retainer or stop surfaces, in the conducting wire holder that conducting wire is received in electric connector, and cut
When cutting contact and being pushed into conducting wire holder and be penetrated through the insulator of conducting wire to contact its core, may limitation blade is inserted into conducting wire
In.Accordingly it is possible to prevent the edge of blade is damaged by the opposite side of contact wire holder, because the notch between blade is adjacent
It connects insulator and therefore hinders blade and be further inserted into conducting wire.It alternatively or additionally, can be in the end of the row of blade
One or both ends setting retainer or stop surfaces.
The retainer of the one or both ends of the blade of the row is also used as piercing through holder for limiting cutting contact insertion
In retainer.
In another embodiment, electric connector can also include the first noumenon part and the second body part, they one
It rises and forms conducting wire holder, wherein the second body part is positioned opposite with blade and is suitable for being installed to first and being pushed to blade
Body part.
Particularly, in one embodiment of electric connector of the invention, wherein electric connector includes the first noumenon part
With the second body part, the second body part could attach to the first noumenon part, wherein at least in the assembled state, first our department
Part and the second body part form at least one conducting wire holder, and this retainer can serve to indicate that cutting contact corresponding
It pierces through in holder and is finally inserted into position.Therefore, retainer may include two stop surfaces, wherein the first stop surfaces can be with
Towards conducting wire holder and may be adapted to prevent blade be further inserted into conducting wire, and wherein the second stop surfaces away from
The direction of first stop surfaces and in contrast, and may be adapted to be provided adjacent to pairing stopping element in electrical connectors or
Stop surfaces are matched, the puncture for limiting cutting contact insertion electric connector is inserted in holder.
In another embodiment of cutting contact of the invention, blade in a lateral direction between interval can be with
It is big as the width of blade in a lateral direction.Such embodiment may insure the inclined of wire stylet (corresponding conducting wire strand)
Turn path to follow smooth curve and do not show precipitous kink or bending, may cause the unexpected cutting of wire stylet.
In another embodiment of cutting contact of the invention, the free end of blade includes the side extended in a lateral direction
Edge.Edge can especially extend in a lateral direction between side, and preferably can be straight edge.
Ideally, edge is interpreted as sharp edge.However, in fact, edge can be fillet, because serving as reasons
In processing, metal will not generate perfect sharp edge, but generate small rounded edges.
Therefore, the blade with manufacturing tolerance is also intended to is covered by the embodiment of cutting contact.
The orientation of edge in a lateral direction ensures that the entire edge of blade can pierce through insulator and conducting wire strand.
Therefore, it wire stylet can will be applied uniform pressure to, and can prevent from unexpectedly cutting, especially each strand of core
Unexpected cutting.
In another embodiment of cutting contact of the invention, in edge, the inclined surface of blade and the back side of blade
It can connect.If inclined surface and the back side are closer to each other in terms of from base portion towards edge, wherein they are finally in contact with each other, shape
At the edge of blade.
Along the blade of the plane cutting of the transverse direction of another embodiment perpendicular to cutting contact of the invention
Section can be asymmetric and triangle relative to extending direction.If along extending direction is parallel to and perpendicular to lateral side
To plane cutting be applied to cutting contact a part including blade, then obtain blade it is this asymmetry and triangle
The cutting of shape.It, can be in such cutting in the specific embodiment that the back side of previously described wherein blade is flushed with base portion
Middle acquisition right angled triangle.
In another embodiment of cutting contact of the invention, the end opposite with blade for cutting contact includes for connecing
Touch the retained part of at least one card edge contact.If card edge is connected, such as the card edge of printed circuit board (PCB), this
Retained part is particularly advantageous.The part that corresponding card edge contact is interpreted as conduction and can pick up, such as.Printed circuit road
Diameter extends up to the edge of the card and is ultimately connected to conduction and has the card edge contact members of mechanical resistance.Card edge contact
Component may be particularly suitable for repeating to contact with the corresponding retained part of the embodiment of cutting contact of the invention.
Base portion can be plate, therefore can be between blade and retained part.
Alternatively or additionally, can be arranged in the end opposite with blade of cutting contact for being built with cutting contact
The other contact device of vertical electrical connection.Substantially, all possible contact interface known in the art can be set with cut
Cut the end opposite with blade of contact.This attachment device may be embodied as crimping portion, welding portion or even allow
It is displaced by insulator or even insulator pierces through the other parts for contacting additive wire.Attachment device also may be embodied as eye
Shape object can be attached to another electrical contact component by screw and nut.
The different embodiments of electric connector of the invention can receive any particular implementation of previously described cutting contact
Example, and can by improved in conjunction with other technical characteristics (these technical characteristics can be similar to previously described difference cut
Cut the technical characteristic of contact) it can in any combination, or even omit.
Electric connector may include connector shell, can be manufactured by injection-molded.Cutting contact can be in molding work
It is inserted into shell, or can directly be encapsulated in molding process by molding material after skill.
If electric connector includes the first body portion and the second body part, second body part can be identical
Manufacturing step during generate, for example, by injection-molded and the first noumenon part can be manually attachable to.This is with following excellent
Point: two components be attached to each other and can at the position of client, be separated from each other, so that reducing body part may
The risk of loss.
Furthermore it is possible to provide at least one receptacle cover, at least side for covering at least one conducting wire holder can permit.
Provided that multiple conducting wires hold, then three kinds of different situations can be distinguished；A certain number of conducting wires can not be used
Holder (does not have receiving wire), and therefore can be covered by two receptacle covers in two sides, wherein other cable holder can
Such lid only can be needed in the side of conducting wire holder, so that electric wire terminates in corresponding conducting wire holder.At least one is more
A conducting wire holder can be not provided with covering, because the conducting wire received in this conducting wire holder can pass through electricity while electrical contact
Connector feed.
At least one (preferably all of) lid can manufacture together with shell or the second body part.Preferably, lid is whole
Ground is connected to shell or the second body part.They can be manufactured by injection-molded.This has the advantage that client can be with
Remove only those unwanted lids when installing corresponding electric connector.Therefore, this connector is very flexible and general.
Electric connector of the invention may further include technical characteristic, such as reversibly and/or repeatedly by
Two body parts are connected to the locking device of the first noumenon part, for determining electric connector taking relative to mating electrical connector
To polarization member, for example, card edge or linkage members, multiple effectively to provide for multiple electric connectors to be attached to each other
Electric connector of the invention simultaneously realizes possible automation.
Detailed description of the invention
Hereinafter, cutting contact and electric connector of the invention of the invention are described nine appended width figures are used.
Attached drawing shows the particular embodiment of the present invention, shown in the technical characteristic of difference embodiment can any combination each other.
In the accompanying drawings, identical technical characteristic and the technical characteristic of technical effect having the same will be presented with like reference characters.
Repetitive description will be omitted, but emphasizes the difference between illustrated embodiment.Described embodiment is not intended to be limited to by right
It is required that the scope of the present invention limited.
Attached drawing is shown:
Fig. 1 is two embodiments of electric connector of the invention；
Fig. 2 is the cross-sectional view of the first embodiment of the creative electric connector of Fig. 1；
Fig. 3 is the first embodiment and second embodiment of cutting contact of the invention；
Fig. 4 is with the of perspective view and the cutting contact of the invention for overlooking the state before piercing through conducting wire that shows
One embodiment；
Fig. 5 is with the of perspective view and the cutting contact of the invention for overlooking the state after piercing through conducting wire that shows
One embodiment；
Fig. 6 and Fig. 7 is shown in a different view obtains technical effect with cutting contact of the invention；
Fig. 8 is the electric connector of the invention in pre-assembled state；
Fig. 9 a-9c is shown needed for the second embodiment for receiving the electric connector of Fig. 1 from pre-assembled state shown in Fig. 8
Step；
Figure 10 a and Figure 10 b are another possible embodiments for cutting contact, with inclined surface of different shapes；And
Figure 11 is another embodiment of cutting contact of the invention.
Specific embodiment
Fig. 1 shows the first embodiment 3 and second embodiment 5 of electric connector 1 of the invention.The first of electric connector 1
Embodiment 3 is also shown in section view in Fig. 2.Following information will refer to Fig. 1 and Fig. 2.
In two embodiments 3,5, five conducting wires 7 are connected to electric connector 1.In first embodiment 3, all conducting wires 7
It terminates in electric connector 1, wherein sightless conductor wire end 9 can not pick up, because electric connector provides lid 11.
First embodiment 3 includes five lids 11, and second embodiment 5 includes three lids 11, because in second embodiment 5
Two conducting wires 7 of application are fed by electric connector 1, that is, they are in feedthrough configuration 13.Other three conducting wires 7 are in termination
Configuration 15, it is characterised in that sightless conductor wire end 9 is located inside electric connector 1, as shown in Figure 2.
Electric connector 1 includes connector shell 17, is formed by the first noumenon part 19 and the second body part 21, they
It is attached to each other for example, by positive locking shown in Fig. 8, Fig. 9 a and 9b (positive locking) feature 23.
In electric connector 1, received with multiple cutting contacts 25 (here, providing five cutting contacts 25) of the invention
In connector shell 17.Cutting contact 25 is invisible in Fig. 1, and the cross-sectional view of Fig. 2 clearly show a cutting contact
25.In addition, cutting contact 25 is shown respectively in following figure.
The embodiment 3,5 of electric connector 1 shown in the drawings is related to bayonet connector 2, it is characterised in that has clamping part
Divide 27 and cable receiving portion 29.
The embodiment 3,5 of electric connector 1 shown in the drawings is bayonet connector 2, it is characterised in that has retained part
27 and cable receiving portion 29.
Retained part 27 includes the recess 31 suitable for receiving card edge 33.Card edge includes card edge contact 34, especially pairing touching
Head element 35 (only one counterpart contact element 35 has appended drawing reference in Fig. 1), they are by forming corresponding cutting contact
Two clamping legs 37 of 25 retained part 39 and electrically and mechanically contact.
In fig. 2 it is shown that cutting contact 25 is received in and pierces through in holder 41 (referring also to Fig. 8), wherein cutting contact
25 retained part 39, which is received in, to be pierced through in holder 41, allows two clamping legs 37 respectively along 43 elasticity of transverse direction
Deflection, clampingly to receive the corresponding counterpart contact element 35 of card edge 33.
In different embodiments of the invention, the coupling part different from retained part 39, such as pressure contact portion can be provided
Point, the (not shown) such as welding portion.
It includes three blades 45 that Fig. 2, which also shows cutting contact 25, they extend on extending direction 49 from base portion 47.It cuts
Cutting contact 25, especially their blade 45 will be more fully described in following attached drawing.Base portion 47 is directed to three blades 45
It marks, wherein the entire plate like region 48 of cutting contact 25 is considered base portion 47.Retained part 39 is formed in and cuts
At the opposite end 40 of the blade 45 of contact 25.
It includes two stop surfaces 51 that Fig. 2, which also shows cutting contact 25, and the corresponding of device shell 17 that be connected is matched
To stop surfaces 53.
Under the assembled state of the electric connector 1 of Fig. 2, the puncture insulator 55 of blade 45 of cutting contact 25 enters corresponding
In the core 57 of conducting wire 7.The electrical contact cut between contact 25 and conducting wire 7 occurs in contact area 59.
Fig. 3 shows the first embodiment 3 and second embodiment 5 of cutting contact 25 of the invention, wherein cutting contact 25
Second embodiment 5 different area between the first embodiment 3 and second embodiment 5 of cutting contact 25 is only shown with circle 61
Domain.
The cutting contact of embodiment illustrated in fig. 3 is the sheet metal component 63 of punching press, it includes above-mentioned retained part 39, touching
Head point 65 and fastening part 67, the contact part 65 are shown in contact area 59 in the previous figure, the fastening part 67
It is arranged between retained part 39 and contact part 65.
All three parts 39,65,67 are all whole implementation and flush each other.Retained part 39 includes two clampings
Leg 37, and fastening part 67 is implemented with the plate like region of centre bore 69, and which can be in electric connector 1
It is used as fastener hole in some embodiments (not shown).In addition, centre bore can reduce the weight of cutting contact 25 without reducing it
Stability.
Cutting contact 25 includes multiple blades 45, they are juxtaposed to each other in transverse direction 43.Blade 45 is extending
Extend on direction 49 from base portion 47, wherein transverse direction 43 is perpendicular to extending direction 49.
Each blade 45 includes inclined surface 71, wherein in Fig. 3, an only visible inclined surface 71 (center blade 45
Inclined surface 71).
Each inclined surface 71 is from the free end of blade 45 73 (only showing free end 73 for a blade 45) direction
Base portion 47 extends.
Channel 75 extends between blade 45 in transverse direction 43.Top view (following figure) of the channel 75 best in Fig. 4.
Fig. 4 shows first of the cutting contact 25 in the state of piercing through conducting wire 7 before with perspective view and vertical view
Embodiment 3.It should be noted that cutting contact 25 shown in Fig. 4 rotates 180 ° around extending direction 49, so that can in the perspective view
See two inclined surfaces 71.
Following diagrams illustrate the top views of cutting contact 25 and cable 7, show transverse direction 43 and extending direction 49, they
Define central plane 77, which extends into and leaves plotting planes and indicated by dotted line and dotted line, and
The shadow representation in upper figure by showing perspective view.Transverse direction 43 and extending direction 49 are all located in plane 77.
Blade 45 is located at the not ipsilateral of central plane 77, therefore also is located at the not ipsilateral of channel 75.Each blade 45 is distinguished
It is asymmetricly tapered towards its corresponding free end 73 relative to extending direction 49 and central plane 77.
Fig. 4, which is also shown, can limit two subsets, the first subset 79 and second subset 81 of blade 45, wherein the first son
Collection 79 includes two blades 45, and second subset 81 includes a blade 45.
In each subset 79,81, edge 83 limits the first cutting planes 79a and the second cutting planes 81a, they are with the
One element surface 85 and second element surface 87 flush.In addition, the back side 101 of blade 45 is also respectively and in element surface 85 or 87
One flush.
Fig. 4 also shows the first cutting planes 79a and the second cutting planes 81a spaced apart 89, and the distance 89 is corresponding
In metal plate thickness 91.Distance 89 is less than the diameter 93 of the core 57 of conducting wire 7, so that when cutting contact 25 moves in extending direction 49
When, blade 45 will puncture through insulator 55 and then be pierced into the core 57 of conducting wire 7.
The puncture state 95 of cutting contact 25 is illustrated in Fig. 5 with perspective view and vertical view.Blade 45 is being inserted into core 57
The core 57 of period, conducting wire 7 are at least partially received in channel 75, and corresponding inclined surface 71 exerts a force to core 57
On.Core 57 may include conducting wire strand (not shown), wherein in such embodiments, above-mentioned power can be applied to multiple conducting wires
On strand.Hereinafter, description related with core 57 will be provided, but also can be applied to multiple conducting wire strands.
First power 97 is applied on core 57 by the first subset 79 of blade, and blade second subset 81 applies the second power 99
It is added on core 57, the second power 99 is directed toward the direction opposite with the first power 97.It should be noted that the power that inclined surface 71 actually applies is hung down
Directly oriented in corresponding inclined surface 71.However, in the figure, only considering point that those of power is oriented perpendicular to central plane 77
Amount, in other words, does not consider the force component being applied in extending direction 49 in the explanation.
In Fig. 5, two sides 123 of blade 45 are visible.These sides 123 towards or against transverse direction 43,
And it is arranged essentially parallel to the extension of extending direction 49.
In Fig. 5, the first power 97 and the second power 99 are shown with identical length (that is, absolute value).In different embodiments
In, 97,99 absolute value can be different.However, all embodiments are had in common that, power 97 and 99 is applied to core 57
On direction reciprocally orient.
It is shown in figs. 6 and 7 using the technical effect that cutting contact 25 of the invention obtains.In these figures, sword is shown
The inclined surface 71 in portion 45, and single strand 103, correspondingly multiple strands 105 are located in channel 75, and the channel 75 is in transverse direction
Extend between blade 45 on direction 43.Due to the first power 97 and the second power 99, it is applied to strand 103 in the opposite direction
Or (referring also to Fig. 5) on multiple strands 105, strand 103 or multiple strands 105 obtain deflection path 107, and which results in tensile forces
109, the arrangement from two sides towards blade 45 acts on strand 103 or multiple strands 105.
Due to tensile force 109, compared with the solution of the prior art, strand 103 or multiple strands 105 connect increased
The lower adjacent corresponding inclined surface 71 of touch 111.Contact force 111 is shown in FIG. 7.It should be noted that contact force 111 is basically perpendicular to
Corresponding inclined surface 71 applies.
From top view shown in fig. 7 it can be clearly seen that the width 46 of blade 45 is less than the interval 50 of blade 45.This
Outside, compare other figures, it should be noted that the width 46 of blade 45 substantially constant in transverse direction 43.
Fig. 8 shows the electric connector 1 of the invention under pre-assembled state 113.
Electric connector 1 includes the first noumenon part 19 and the second body part 21, they are integrally connected to each other.
The first noumenon part 19, especially its five puncture holders 41 receive five cutting contacts 25 of the invention, wherein
The channel 75 extended between blade 45 is arranged in a part of electric connector 1, in assembled state 115 (see Fig. 1,2 and
The conducting wire holder 117 for being used for conducting wire to be contacted is formed under 9c).Each conducting wire holder 117 includes two openings 125, wherein opening
Mouth 125 can be by corresponding lid 11 (see Fig. 9 a and 9c) closing.
In Fig. 9 a-9c, the electrical connection that Fig. 1 is received from the electric connector 1 in pre-assembled state shown in Fig. 8 is shown
Step needed for the second embodiment of device.
In the first step, when the step is not shown in the figure, the second body part is removed from the first noumenon part 19
21.Secondly, depending on required configuration, that is, whether conducting wire 7 to be contacted should be fed by electric connector 1 or whether conducting wire 7 answers
It terminates in electric connector 1, corresponding lid 11 can be removed from the second body part 21.
Fig. 9 a clearly show that the second body part 21 provides a part of conducting wire holder 117, is cylindrical wall
119 form extends along part and is cut.
In the next step, conducting wire 7 is aligned relative to the first noumenon part 19 and the second body part 21, and at least portion
Ground is divided to receive in corresponding cylindrical wall 119, especially between the partition wall 121 being formed on the second body part 21.
The first noumenon part 19 and the second body part 21 can be attached to each other by positive locking feature 23, wherein even
During the step of connecing two parts 19,21, blade 45 pierces through the insulator 55 of conducting wire 7, and the core 57 of conducting wire 7 is received by sword
In the channel 75 that portion 45 is formed.
Under assembled state 115, institute passes through blade 45 there are five conducting wire 7 and contacts, and retained part 39 allows at other
Electrical connection is established between element, for example, card edge shown in FIG. 1 33.
In Figure 10 a, 10b and 11, the different embodiments of the contact part 65 of cutting contact 25 of the invention are shown.
If it is considered that Figure 10 a and 10b, then shown in creativeness embodiment blade 45 it is different from the embodiment of front it
It is in providing spill inclined surface 72a or convex inclined surface 72b.The difference embodiment shown in Figure 10 a and Figure 10 a
In, the channel 75 for receiving wire 7 has different shape and size.However, the width 46 in channel 75 corresponds to metal plate thickness
Degree 91.
Figure 11 shows another embodiment of cutting contact 25 of the invention, wherein in this embodiment, the back of blade 45
Face 101 and 47 interval distance 127 of base portion, wherein the back side 101 is arranged essentially parallel to the orientation of base portion 47.The back side 101 is far from logical
Road 75 is spaced apart with base portion 47.The embodiment this have the advantage that, obtains the increased width 46 bigger than metal plate thickness 91.Cause
This, can pierce through and contact the conducting wire 7 that core diameter is greater than metal plate thickness.
Appended drawing reference
1 electric connector
2 bayonet connectors
3 first embodiments
5 second embodiments
7 conducting wires
9 wire terminations
11 lids
13 feedthroughs configuration
15 termination configurations
17 connector shells
19 the first noumenon parts
21 second body parts
23 positive locking features
25 cutting contacts
27 retained parts
29 cable receiving portions
31 recesses
33 card edges
34 card edge contacts
35 counterpart contact elements
37 clamping legs
39 retained parts
40 ends
41 pierce through holder
43 transverse directions
45 blades
46 width
47 base portions
48 plate like region
49 extending directions
50 spacing
51 stop surfaces
53 pairing stop surfaces
55 insulators
57 cores
59 contact areas
61 circles
The sheet metal component of 63 punching presses
65 contact parts
67 fastening parts
69 centre bores
71 inclined surfaces
72a spill inclined surface
72b convex inclined surface
73 free ends
75 channels
77 central planes
79 first subsets
The first cutting planes of 79a
81 second subset
The second cutting planes of 81a
83 edges
85 first element surfaces
87 second element surfaces
89 distances
91 metal plate thickness
93 diameters
95 pierce through state
97 first power
99 second power
101 back sides
103 strands
A strand more than 105
107 deflection paths
109 tensile forces
111 contact forces
113 pre-assembled states
115 assembled states
117 conducting wire holders
119 cylindrical walls
121 partition walls
123 sides
125 openings
127 spacing distances
Claims (16)
1. a kind of cutting contact (25) contacts insulated conductor (7) for the insulator (55) across insulated conductor, the cutting touching
Head (25) includes multiple blades (45), and the multiple blade is arranged side by side on transverse direction (43) and perpendicular to the transverse direction
It is protruded on the extending direction (49) in direction (43) from base portion (47), each blade (45) has inclined surface (71), the inclination
Surface (71) extends from the free end (73) of the blade (45) towards the base portion (47), and faces for receiving the conducting wire
Channel (75), the channel (75) extends between the blade (45) on the transverse direction (43), which is characterized in that
The blade (45) is asymmetrically tapered towards its corresponding free end (73) relative to the extending direction (49).
2. cutting contact (25) as described in claim 1, which is characterized in that the inclined surface of at least two blades (45)
(71) from the not ipsilateral of central plane (77) to the channel (75), the central plane is by the transverse direction (43) and institute
State extending direction (49) restriction.
3. cutting contact (25) as claimed in claim 1 or 2, which is characterized in that the blade (45) position in an alternating fashion
In the not ipsilateral of the channel (75).
4. cutting contact (25) as claimed any one in claims 1 to 3, which is characterized in that the width of the blade (45)
(46) substantial constant on the transverse direction (43).
5. cutting contact (25) according to any one of claims 1 to 4, which is characterized in that blade (45) is provided with the back side
(101), the back side is towards the direction opposite with the inclined surface (71), and the back side (101) is relative to the extension side
It is lesser extent tilted to (49) than corresponding inclined surface (71).
6. cutting contact (25) as claimed in claim 5, which is characterized in that the back side (101) of the blade (45) is substantially
It is parallel to the base portion (47) orientation, wherein the back side (101) are spaced far from the channel (75) with corresponding base portion (47)
It opens.
7. as claimed in claim 5 cutting contact (25), which is characterized in that the back side (101) of the blade (45) with it is described
Base portion (47) flushes.
8. the cutting contact (25) as described in any one of claims 1 to 7, which is characterized in that blade (45) further includes side
(123), towards the transverse direction (43), the side is parallel to the extending direction (49) and extends and do not tilt.
9. such as cutting contact (25) described in any item of the claim 1 to 8, which is characterized in that at the base portion (47), institute
Blade (45) is stated to be separated from each other.
10. cutting contact (25) as claimed in claim 9, which is characterized in that the blade (45) is in the transverse direction
(43) width (46) one of the interval (50) at least with the blade (45) on the transverse direction (43) between on
Sample is big.
11. the cutting contact (25) as described in any one of claims 1 to 10, which is characterized in that the blade (45) from
It include the edge (83) extended on the transverse direction (43) by holding (73).
12. cutting contact (25) as claimed in claim 11, which is characterized in that at the edge (83), blade (45)
The connection of the back side (101) of inclined surface (71) and blade (45).
13. the cutting contact (25) as described in any one of claims 1 to 12, which is characterized in that in the transverse direction
(43) on, along the plane cutting perpendicular to the transverse direction (43) the blade (45) section relative to the extension
Direction (49) is asymmetric and is triangle.
14. the cutting contact (25) as described in any one of claims 1 to 13, which is characterized in that the cutting contact (25)
The end (40) opposite with the blade (45) include retained part (39), be used to contact at least one card edge contact
(34)。
15. a kind of electric connector (1) contacts insulated conductor (7) for the insulator (55) across insulated conductor, wherein described
Electric connector (1) includes at least one cutting contact (25) as described in any one of claims 1 to 14, and wherein, described
Blade (45) protrudes into conducting wire holder (117), and the channel (75) are at least partly parallel to the electric connector (1)
The opening (125) of conducting wire holder (117) towards the conducting wire holder (117) extends.
It further include the first noumenon part (19) and the second body part (21) 16. the electric connector (1) as described in right wants 14,
They are formed together the conducting wire holder (117), and wherein, and second body part (21) and the blade (45) are with respect to cloth
It sets, and is suitable for being installed to the first noumenon part (19) and pushing towards the blade (45).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102018000005498 | 2018-05-18 | ||
| IT102018000005498A IT201800005498A1 (en) | 2018-05-18 | 2018-05-18 | Cut-off contact and electrical connector to contact an insulated cable through the insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110504575A true CN110504575A (en) | 2019-11-26 |
Family
ID=62875260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910413822.5A Pending CN110504575A (en) | 2018-05-18 | 2019-05-17 | For passing through the cutting contact and electric connector of insulator contact insulated conductor |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3570378B1 (en) |
| CN (1) | CN110504575A (en) |
| IT (1) | IT201800005498A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541070A (en) * | 2020-04-27 | 2020-08-14 | 安费诺电子装配（厦门）有限公司 | Connector and connector assembly arranged on adapter card |
| CN113078527A (en) * | 2021-03-10 | 2021-07-06 | 东莞立讯技术有限公司 | Adapter circuit board, first connector and connector assembly |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019123829A1 (en) * | 2019-09-05 | 2021-03-11 | HARTING Electronics GmbH | Card edge connector |
| US20230146724A1 (en) | 2020-03-13 | 2023-05-11 | Spr Therapeutics, Inc. | Stimulation lead connection system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816818A (en) * | 1972-11-28 | 1974-06-11 | Sprecher & Schuh Ag | Flat cable connectors |
| GB2026256A (en) * | 1978-07-19 | 1980-01-30 | Yamaichi Electric Mfg | Electric contact terminal members |
| EP0437782A2 (en) * | 1990-01-17 | 1991-07-24 | Grote & Hartmann GmbH & Co. KG | Electric plug connector |
| US5800187A (en) * | 1995-03-20 | 1998-09-01 | Alcatel Cable Interface | Connection strip for high data rate lines, and a resulting connection assembly |
| CN107069257A (en) * | 2016-02-02 | 2017-08-18 | 矢崎欧洲有限公司 | Electric connector |
-
2018
- 2018-05-18 IT IT102018000005498A patent/IT201800005498A1/en unknown
-
2019
- 2019-05-17 EP EP19175146.0A patent/EP3570378B1/en active Active
- 2019-05-17 CN CN201910413822.5A patent/CN110504575A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816818A (en) * | 1972-11-28 | 1974-06-11 | Sprecher & Schuh Ag | Flat cable connectors |
| GB2026256A (en) * | 1978-07-19 | 1980-01-30 | Yamaichi Electric Mfg | Electric contact terminal members |
| EP0437782A2 (en) * | 1990-01-17 | 1991-07-24 | Grote & Hartmann GmbH & Co. KG | Electric plug connector |
| US5800187A (en) * | 1995-03-20 | 1998-09-01 | Alcatel Cable Interface | Connection strip for high data rate lines, and a resulting connection assembly |
| CN107069257A (en) * | 2016-02-02 | 2017-08-18 | 矢崎欧洲有限公司 | Electric connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541070A (en) * | 2020-04-27 | 2020-08-14 | 安费诺电子装配（厦门）有限公司 | Connector and connector assembly arranged on adapter card |
| CN113078527A (en) * | 2021-03-10 | 2021-07-06 | 东莞立讯技术有限公司 | Adapter circuit board, first connector and connector assembly |
| US12095210B2 (en) | 2021-03-10 | 2024-09-17 | Dongguan Luxshare Technologies Co., Ltd | Adapter circuit board, first connector and connector assembly with better signal integrity |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3570378B1 (en) | 2021-06-23 |
| EP3570378A1 (en) | 2019-11-20 |
| IT201800005498A1 (en) | 2019-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110504575A (en) | For passing through the cutting contact and electric connector of insulator contact insulated conductor | |
| US8714996B2 (en) | Capped insulation displacement connector (IDC) | |
| US7833045B2 (en) | Insulation displacement connector (IDC) | |
| US8109783B2 (en) | Insulation displacement connector (IDC) | |
| US4317608A (en) | Slotted pate terminal for stranded wire | |
| US8568157B2 (en) | Cap body insulation displacement connector (IDC) | |
| US7780468B1 (en) | Wire to board connector | |
| CN108832317B (en) | Insulation displacement connector | |
| US4526436A (en) | Electrical connector for flat flexible cable | |
| US5645445A (en) | Wire termination block | |
| US9083091B1 (en) | Electrical terminal connector for solderless connection of parts to electrical contact holes | |
| GB2100072A (en) | Insulation piercing terminal | |
| EP0021730A1 (en) | Electrical contact capable of receiving a mating contact in either of two mutually perpendicular orientations | |
| US4679878A (en) | Insulation-piercing electrical contact and connector incorporating the same | |
| GB2112217A (en) | An electrical connector | |
| CN111541082A (en) | Female terminal for electric connector, female connector, and method for manufacturing female terminal | |
| GB2510280A (en) | IDC connector with cap | |
| EP0027062A1 (en) | Electrical contact adapted for mating with an insulated electrical wire and method of making same | |
| CN220692352U (en) | Novel binding post of motor | |
| US11450974B2 (en) | Electrical contact, system and method for manufacturing an electrical contact | |
| CN210272765U (en) | Female end connector and terminal material belt | |
| JP2020136277A (en) | Contact member for idc terminal, contact member assembly, set of contact members, and housing with contact member | |
| WO2005124928A1 (en) | A contact | |
| JPS6343868B2 (en) | ||
| JPH0581946U (en) | Conductive terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191126 |
|
| WD01 | Invention patent application deemed withdrawn after publication |