WO2021103310A1 - 压接电连接器 - Google Patents

压接电连接器 Download PDF

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Publication number
WO2021103310A1
WO2021103310A1 PCT/CN2020/073615 CN2020073615W WO2021103310A1 WO 2021103310 A1 WO2021103310 A1 WO 2021103310A1 CN 2020073615 W CN2020073615 W CN 2020073615W WO 2021103310 A1 WO2021103310 A1 WO 2021103310A1
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WO
WIPO (PCT)
Prior art keywords
extension
extension portion
elastic body
electrical connector
insulating elastic
Prior art date
Application number
PCT/CN2020/073615
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English (en)
French (fr)
Inventor
莫凑全
Original Assignee
苏州昀冢电子科技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 苏州昀冢电子科技股份有限公司 filed Critical 苏州昀冢电子科技股份有限公司
Priority to CN202080002615.1A priority Critical patent/CN112106258B/zh
Priority to JP2021552761A priority patent/JP7239730B2/ja
Priority to KR1020227015735A priority patent/KR20220071978A/ko
Publication of WO2021103310A1 publication Critical patent/WO2021103310A1/zh

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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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting

Definitions

  • the invention relates to the technical field of electrical connectors, in particular to a crimping electrical connector.
  • the electrical connectors are mainly crimped electrical connectors, which electrically connect multiple substrates built in the mobile terminal device to each other by crimping.
  • the existing crimped electrical connectors are fixedly arranged and electrically connected to one substrate. It has an elastic connection terminal corresponding to the conductive terminal on another substrate. The elastic connection terminal is in electrical contact with the conductive terminal under pressure to realize the electrical connection of the two substrates, and rebounds and resets after the pressure is withdrawn.
  • the elastic connection terminal has There are two ways, one: metal shrapnel, but since the reciprocating elastic deformation of the metal shrapnel mainly comes from the metal body material itself, when the size of the metal shrapnel is small, the compressibility of the metal material itself after multiple crimping operations And elastic performance will become very poor, resulting in poor electrical contact, and when the spiral metal shrapnel is used to improve the elasticity, the welding area of the metal shrapnel is limited, making the welding unreliable; Method two: conductive metal is glued to the insulation The outer side of the elastomer, but this kind of electrical connector limits the elastic deformation of the insulating elastomer, and the insulating elastomer and the conductive metal are separately produced, bonded and cut during the preparation, which cannot form an automatic continuous production, and the production efficiency is low.
  • a crimping electrical connector includes an insulating elastic body and a conductive metal sheet.
  • the conductive metal sheet is embedded in the insulating elastic body, and has a first set of opposite diagonal regions extending from the insulating elastic body.
  • An extension portion and a second extension portion, the first extension portion and the second extension portion are bent and fixed on the opposite surfaces of the insulating elastic body.
  • the above-mentioned crimping electrical connector is embedded in the elastic member through a conductive metal sheet, and the first extension portion and the second extension portion are bent and fixed on the surface of the insulating elastic body, so as to fix the conductive metal sheet and the elastic member as a whole.
  • the first extension is fixed to a substrate as a connecting terminal and is electrically connected to the substrate.
  • the second extension is used as another connecting terminal to be crimped with another substrate to achieve electrical connection to the two substrates.
  • the elastic member When the elastic member is compressed, the elastic member rebounds to reset the second extension after the pressure is withdrawn; the elastic rebound deformation in the above-mentioned crimping electrical connector comes from the insulating elastic body, not the conductive metal sheet itself, so many times After the crimping operation, the electrical contact performance of the conductive metal sheet is still good, and the electrical contact is good. Since the first extension and the second extension are fixed on the surface of the insulating elastic body, the first extension and the second extension serve as The surface of the connection terminal is flat, which significantly increases the contact area, which in turn enables the crimping electrical connector to have better electrical connection performance and good electrical contact, and it is convenient to fix the first extension on the substrate by welding, etc., ensuring Reliability of connection with the substrate.
  • the insulating elastomer has a first surface and a second surface parallel to each other, a third surface and a fourth surface respectively connecting the first surface and the second surface, and the conductive metal
  • the cross-section of the sheet perpendicular to the first surface is Z-shaped, wherein:
  • the first extension part is fixed on the first surface, and the projection on the first surface covers the first surface;
  • the second extension portion is fixed to the second surface, and the projection on the second surface covers the second surface.
  • the aforementioned crimping electrical connector covers the first surface by defining the projection of the first extension on the first surface, and the projection of the second extension on the second surface covers the second surface, so that the first extension and the second
  • the contact area between the second extension part and the substrate is larger, which in turn leads to better electrical connection performance and better electrical contact.
  • the first extension portion and the second extension portion protrude from the insulating elastic body along a diagonal direction of the insulating elastic body.
  • the first extension and the second extension are defined to extend in the diagonal direction of the insulating elastic body to further ensure that the projection of the first extension on the first surface covers the first surface, and The projection of the second extension portion on the second surface covers the second surface, so that the electrical contact is good.
  • the insulating elastic body includes a fifth surface and a sixth surface that are opposed to each other, and the fifth surface connects the first surface and the third surface and faces the second surface.
  • the first extension portion extends from the fifth surface, the sixth surface connects the second surface and the fourth surface, and is inclined toward the first surface, so The second extension portion protrudes from the sixth surface.
  • the fifth surface is provided between the first surface and the third surface
  • the sixth surface is provided between the second surface and the fourth surface, so that the first extension part and the second extension part can be easily connected.
  • the gap between the first extension part and the first surface, the second extension part and the second surface after bending is small, which facilitates the fixation of the first extension part and the first surface, and the second extension part and the first surface Two surface fixation.
  • the first extension part protrudes from the third surface
  • the second extension part protrudes from the fourth surface
  • the bending of the first extension portion and the second extension portion is facilitated, and at the same time, the first extension portion and the second extension portion can be bent.
  • the gap between the first extension part and the first surface, the second extension part and the second surface is small, which facilitates the fixation of the first extension part and the first surface, and the fixation of the second extension part and the second surface.
  • the insulating elastic body is provided with two sets of through holes, and the two sets of through holes are located on both sides of a part of the conductive metal sheet embedded in the insulating elastic body, and the through holes are The axial direction of the hole is parallel to the first surface and the third surface.
  • through holes are provided on the insulating elastic body to expand the deformation space of the insulating elastic body, thereby improving its elastic performance, and thereby making the overall reciprocating elastic performance of the crimping electrical connector.
  • each set of through holes includes a slot hole, and the slot hole opens at the edge of another set of opposite diagonal regions of the insulating elastomer.
  • the aperture of the through hole can be determined according to the elasticity and mechanical properties of the insulating elastomer, and in order to further improve the elastic performance of the insulating elastomer, it may include another set of opposite diagonals with the aperture extending to the insulating elastomer The edge of the area.
  • the end of the first extension portion away from the third surface is provided with a first hook, and the first hook is snap-connected to the slot that is close to it;
  • the end of the second extension part away from the fourth surface is provided with a second hook, and the second hook is snap-connected with the slot hole close to the second hook.
  • the above-mentioned crimping electrical connector realizes the fixed connection between the first extension part and the first surface through the buckle connection of the first hook and the slot close to it, and the second hook and the slot close to it are connected to each other.
  • the buckle connection realizes the fixed connection between the second extension part and the second surface, so as to prevent the first connection part and the second connection part from falling off from the insulating elastic body during use.
  • the first extension portion and the second extension portion are fixed on the opposite surfaces of the insulating elastomer by an adhesive layer.
  • the first extension part and the first surface are fixedly connected by the adhesive layer, and the second extension part and the second surface are fixedly connected by the adhesive layer, so as to prevent the first extension part and the second surface during use.
  • the one connecting part and the second connecting part fall off from the insulating elastic body.
  • the adhesive layer is formed by thermal curing of liquid silicone.
  • the adhesive layer formed by the thermal curing of liquid silicone has good elasticity and good connection stability.
  • the conductive metal sheet and the insulating elastomer are injection molded into one body.
  • the conductive metal sheet and the insulating elastic body are embedded together by injection molding to form an integrated structure.
  • the side of the first extension portion and the second extension portion away from the insulating elastomer is provided with a metal coating layer, and the conductivity of the metal coating layer is greater than that of the conductive metal sheet. Conductivity.
  • a metal coating layer is provided on the side of the first extension part and the second extension part away from the insulating elastomer, and the conductivity of the metal coating layer is restricted to be greater than that of the conductive metal sheet, so that The electrical connection performance between the first extension part and the substrate, and the second extension part and the other substrate is good, and the electrical contact is good.
  • the conductive metal sheet is a copper sheet, an iron sheet or a stainless steel sheet.
  • the conductive metal sheet is defined as a copper sheet, an iron sheet or a stainless steel sheet with good conductivity to improve the electrical connection performance.
  • the insulating elastomer is a thermosetting resin piece and/or a thermoplastic elastic piece with elasticity.
  • the elastic performance of the insulating elastic body is improved by restricting the insulating elastomer to be a thermosetting resin piece with elasticity, a thermoplastic elastic piece, or a combination of a thermosetting resin piece and a thermoplastic elastic piece.
  • the insulating elastomer is a silicone resin piece.
  • the insulating elastic body is defined as a silicone resin part, so that the insulating elastic body has both elasticity and heat resistance, thereby ensuring the insulation elastic body when the crimping electrical connector is welded and fixed to the substrate. Thermal stability.
  • the insulating elastomer is a styrene-based, olefin-based, polyetherester-based, polyurethane-based, polyamide-based or vinyl chloride-based elastic component.
  • the above-mentioned crimping electrical connector defines the insulating elastomer to be styrene, olefin, polyetherester, polyurethane, polyamide, or vinyl chloride, so that the insulating elastomer has both elastic properties and a stable structure. Performance to ensure the structural stability of the insulating elastomer.
  • a conductive double-sided adhesive is provided on the side of the first extension portion or the second extension portion away from the insulating elastic body.
  • the insulating elastic body can be directly bonded to the substrate by arranging the conductive double-sided adhesive on the side of the first extension part or the second extension part away from the insulating elastic body, without the need for soldering operation, which simplifies The preparation process is improved and the optional range of preparation materials of the insulating elastomer is expanded.
  • the insulating elastic body includes an inner core part and an outer ring part surrounding the core body, the inner core part is a thermoplastic elastic part, and the outer ring part is a thermosetting resin part.
  • the inner core portion is defined as a thermoplastic elastic member to improve the structural stability of the entire insulating elastomer
  • the outer ring portion is defined as a thermosetting resin member to improve the thermal stability of the entire insulating elastomer, thereby
  • the insulating elastomer has structural elasticity, stability and thermal stability, and has better structural performance.
  • Fig. 1 is a schematic structural diagram of a crimping electrical connector in an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a crimping electrical connector in another embodiment of the present invention.
  • Figure 3 is a schematic diagram of the assembly of the crimping electrical connector in an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a working scene of crimping an electrical connector in an embodiment of the present invention.
  • FIG. 5 is a schematic cross-sectional view of the crimping electrical connector in a direction perpendicular to the first surface in an embodiment of the present invention
  • FIG. 6 is a schematic cross-sectional view of a crimping electrical connector in a direction perpendicular to the first surface in another embodiment of the present invention.
  • FIG. 7 is a schematic cross-sectional view of the crimping electrical connector in a direction perpendicular to the first surface in still another embodiment of the present invention.
  • FIG. 8 is a schematic cross-sectional view of a crimping electrical connector in a direction perpendicular to the first surface in another embodiment of the present invention.
  • FIG. 9 is a schematic cross-sectional view of a crimping electrical connector in a direction perpendicular to the first surface in another embodiment of the present invention.
  • FIG. 10 is a schematic cross-sectional view of a crimping electrical connector in a direction perpendicular to the first surface in still another embodiment of the present invention.
  • FIG. 11 is a schematic cross-sectional view of a crimping electrical connector in a direction perpendicular to the first surface in another embodiment of the present invention.
  • FIG. 12 is a schematic cross-sectional view of a crimping electrical connector in a direction perpendicular to the first surface in another embodiment of the present invention.
  • FIG. 13 is a schematic cross-sectional view of the crimping electrical connector in a direction perpendicular to the first surface in another embodiment of the present invention.
  • FIG. 14 is a schematic cross-sectional view of a crimping electrical connector in a direction perpendicular to the first surface in another embodiment of the present invention.
  • 15 is a schematic cross-sectional view of a crimping electrical connector in a direction perpendicular to the first surface in another embodiment of the present invention.
  • Crimp electrical connector 100 Insulating elastomer 111. First surface
  • the second surface 113 The third surface 114.
  • the embodiment of the present invention provides a crimping electrical connector 10, including an insulating elastic body 100 and a conductive metal sheet 200, wherein the insulating elastic body 100 is a crimp
  • the electrical connector 10 provides elasticity
  • the conductive metal sheet 200 provides electrical connection for the crimping electrical connector 10.
  • the conductive metal sheet 200 has an embedded portion 211 and a first portion located on both sides of the embedded portion 211.
  • the extension portion 212 and the second extension portion 213, the insertion portion 211 is embedded in the insulating elastic body 100, and the insertion portion 211 is all located inside the insulating elastic body 100, and the first extension portion 212 and the second extension portion 213 extend outside A set of two opposite first diagonal regions AA of the insulating elastic body 100, and the first extension 212 and the second extension 213 are bent and fixed on the opposite surfaces of the insulating elastic body 100, as shown in FIG. 3,
  • the first extension portion 212 is bent along the direction C
  • the second extension portion 213 is bent along the direction D. After bending, the extension directions of the first extension portion 212 and the second extension portion 213 are opposite.
  • the above-mentioned crimping electrical connector 10 is embedded in the elastic member through the conductive metal sheet 200, and the first extension portion 212 and the second extension portion 213 are bent and fixed on the surface of the insulating elastic body 100 to connect the conductive metal sheet 200 and The elastic member is fixed as a whole.
  • the first extension 212 serves as a fixed end
  • the first extension 212 serves as a connecting terminal to be fixed to the first substrate 300 and electrically connected to the first substrate 300.
  • the second extension 213 serves as a crimping end and is located close to the second substrate 400. Under pressure, the second extension 213 serves as another connection terminal to crimp the second substrate 400 to achieve an opposite end to the first substrate 300 and the second substrate.
  • the elastic member 400 is electrically connected, and the elastic member is compressed at this time. After the pressure is withdrawn, the elastic member rebounds to reset the second extension portion 213; the elastic rebound deformation in the above-mentioned crimping electrical connector 10 comes from the insulating elastic body 100, Since the non-conductive metal sheet 200 itself, the electrical contact performance of the conductive metal sheet 200 after multiple crimping operations is still good, and the electrical contact is good, and because the first extension 212 and the second extension 213 are fixed to the insulating elastic body 100 The surface of the first extension portion 212 and the second extension portion 213 as the connection terminal is made flat, which significantly increases the contact area, thereby enabling the crimping electrical connector 10 to have better electrical connection performance and good electrical contact. In addition, it is convenient to fix the first extension 212 on the first substrate 300 by welding or the like, which ensures the reliability of the connection between the first extension 212 and the first substrate 300.
  • the electrical connection performance can be improved by increasing the area of the first extension 212 and the second extension 213.
  • the insulating elastic body 100 has a first surface 111, a second surface 112, a third surface 113, and a fourth surface 114.
  • the first surface 111 and the second surface 112 are parallel to each other, and the third surface 113 is connected to the first surface.
  • 111 and the second surface 112, and the fourth surface 114 is also connected to the first surface 111 and the second surface 112.
  • the conductive metal sheet 200 is Z-shaped along the cross section perpendicular to the first surface 111.
  • Such conductive metal sheet 200 can save The conductive metal material reduces the metal resistance.
  • the cross section of the conductive metal sheet 200 in the direction perpendicular to the first surface 111 can be a regular zigzag, or it can be roughly a zigzag. Of course, it is not limited to this, and it can also be Other structural forms, for example, the cross section of the embedded portion 211 of the conductive metal sheet 200 perpendicular to the first surface 111 may be S-shaped.
  • the first extension 212 is fixed to the first surface 111, and the projection of the first extension 212 on the first surface 111 covers the first surface 111; the second extension 213 is fixed to the second surface 112, and the The projection on the second surface 112 of the two extension portions 213 covers the second surface 112.
  • the projection of the first extension 212 on the first surface 111 may just cover the first surface 111, and the projection profile of the first extension 212 on the first surface 111 may be located outside of the first surface 111, the same
  • the projection of the second extension 213 on the second surface 112 may just cover the second surface 112, and the projection profile of the second extension 213 on the second surface 112 may be located outside the second surface 112.
  • the above-mentioned crimping electrical connector 10 covers the first surface 111 by defining the projection of the first extension 212 on the first surface 111, so that the contact area between the first extension 212 and the first substrate 300 is large, which is convenient for the first surface 111.
  • the welding operation of the extension portion 212 and the first substrate 300 increases the welding area and improves the welding stability, thereby making the electrical connection between the first extension portion 212 and the first substrate 300 better; by defining the second extension portion 213
  • the projection on the second surface 112 covers the second surface 112, so that the contact area between the second extension 213 and the second substrate 400 is larger, which in turn leads to better electrical connection performance and better electrical contact;
  • One surface 111 and the second surface 112 have the same area, and the third surface 113 and the fourth surface 114 are parallel.
  • the insulating elastic body 100 has a regular cylindrical structure, which is convenient for processing and preparation.
  • the extension part 213 is bent and fixed.
  • the area of the first surface 111 and the second surface 112 can also be different.
  • the area of the first surface 111 can be set to be larger than the area of the second surface 112, so as to make the difference with the first substrate 300.
  • the area of the first extension portion 212 to be welded is larger, which facilitates the welding operation of the first extension portion 212 and the first substrate 300, makes the welding area larger, and improves the welding stability.
  • first extension 212 and the second extension 213 extend from a set of two opposite first diagonal regions AA of the insulating elastic body 100, as shown in FIG. 5, specifically, the first extension 212 and the second extension 213 extend the insulating elastic body 100 along the diagonal direction X of the insulating elastic body 100. At this time, the first extension extends from the intersection of the first surface 111 and the third surface 113, and the second extension The out portion protrudes from the intersection of the second surface 112 and the fourth surface 114.
  • the above-mentioned crimping electrical connector 10 defines that the first extension 212 and the second extension 213 extend along the diagonal direction X of the insulating elastic body 100, so that the bending radius of the first extension 212 is located at On the outer side of the first surface 111, the bending radius of the second extension portion 213 during bending is located on the outer side of the second surface 112 to further ensure that the projection of the first extension portion 212 on the first surface 111 covers the first surface 111,
  • the first extension 212 has a larger area and is better fixed on the first substrate 300.
  • the projection of the second extension 213 on the second surface 112 covers the second surface 112, so that the second extension 213 has a larger area. It is large to facilitate the crimping operation, so that the overall electrical contact of the crimping electrical connector 10 is good.
  • the insulating elastic body 100 includes a fifth surface 115 and a sixth surface 116 disposed oppositely, and the fifth surface 115 is connected to each other.
  • the first surface 111 and the third surface 113, and the fifth surface 115 is inclined toward the second surface 112
  • the first extension 212 extends from the fifth surface 115
  • the sixth surface 116 connects the second surface 112 and
  • the fourth surface 114, and the sixth surface 116 is inclined toward the first surface 111
  • the second extension 213 extends from the sixth surface 116.
  • the fifth surface 115 faces the second surface 112.
  • the angle of the inclination of the direction toward the first surface 111 and the inclination of the sixth surface 116 toward the first surface 111 may be the same or different, and the value of the specific angle may be determined according to the bending radius of the first extension 212 and the second extension 213.
  • the first extension portion 212 extends from the fifth surface 115, so that the first extension portion 212 is bent
  • the bending center during bending moves down from the side of the first surface 111 away from the second surface 112 to the side of the first surface 111 facing the second surface 112 to facilitate the bending of the first extension 212, and at this time, After bending, the gap between the first extension 212 and the first surface 111 is small, which facilitates the fixation of the first extension 212 and the first surface 111; similarly, by setting the second surface 112 and the fourth surface 114
  • the sixth surface 116, the second extension portion 213 extends from the sixth surface 116, so that the bending center of the second extension portion 213 when bending is moved from the side of the second surface 112 away from the first surface 111 to The second surface 112 faces one side of the first surface 111 to facilitate the bending of the second extension portion 213.
  • the gap between the second extension portion 213 and the second surface 112 after bending is small, which is convenient for the second extension portion 213 and the second surface 112.
  • the two extension portions 213 are fixed to the second surface 112, and the above-mentioned crimping electrical connector 10 effectively utilizes the outer space of the insulating elastic body 100, so that the overall size is small, which is beneficial to the realization of miniaturization.
  • first extension 212 and the second extension 213 extend from a set of two opposite first diagonal regions AA of the insulating elastic body 100, as shown in FIG. 7, specifically, the first extension 212 extends from the third surface 113, and the second extension 213 extends from the fourth surface 114. At this time, the distance between the extension end of the first extension 212 and the first surface 111 and the distance between the extension end of the second extension 213 and the second extension 213 The distance between the two surfaces 112 may be the same or different, and the value of the specific distance may be determined according to the bending radius of the first extension 212 and the second extension 213.
  • the above-mentioned crimping electrical connector 10 defines the first extension 212 to extend out of the third surface 113, so that the bending center of the first extension 212 when bent is a side away from the first surface 111 away from the second surface 112 Move down to the side of the first surface 111 facing the second surface 112 to facilitate the bending of the first extension portion 212, and at this time, the gap between the first extension portion 212 and the first surface 111 after bending is small , It is convenient for the first extension 212 to be fixed to the first surface 111; similarly, the second extension 213 is defined to extend from the fourth surface 114, so that the bending center of the second extension 213 is from the second surface when the second extension 213 is bent.
  • the side of 112 away from the first surface 111 is moved to the side of the second surface 112 facing the first surface 111 to facilitate the bending of the second extension 213, and at this time, the second extension 213 and the second extension 213 and the second extension 213 are bent.
  • the gap between the two surfaces 112 is small, which facilitates the fixation of the second extension 213 and the second surface 112.
  • the above-mentioned crimping electrical connector 10 effectively utilizes the outer space of the insulating elastic body 100, so that the first surface 111 and the second surface 111
  • the size of the two surfaces 112 in the stacking direction is small, which is beneficial to achieve miniaturization.
  • the insulating elastomer 100 is provided with two sets of through holes 117, and these two sets of through holes 117 are located on both sides of the embedding portion 211, each through hole 117 penetrates the insulating elastic body 100 and its axial direction is parallel to the first surface 111 and the second surface 112.
  • the through hole 117 is provided so that the insulating elastic body 100 can not only be elastically deformed toward the outside of its outer contour, but also can be deformed inside. Therefore, the through hole 117 can be provided on the insulating elastic body 100.
  • the deformation space of the insulating elastic body 100 is expanded, thereby improving its elastic performance, and thereby the overall reciprocating elastic performance of the crimping electrical connector 10.
  • the number of each group of through holes 117 can be one, two, three, or more than three.
  • a plurality of through holes 117 can be evenly arranged on the insulating elastomer 100, and the two groups of through holes 117 can be located In order to insert the two sides of the part 211 to ensure the balance of elastic deformation, and the number of the two sets of through holes 117 can be the same or different, and the specific arrangement of the through holes 117 on the insulating elastic body 100 depends on the crimping of the electrical connector 10 To further improve the elastic performance of the insulating elastic body 100, a plurality of blind holes can be evenly arranged on the insulating elastic body 100.
  • each set of through holes 117 includes a slot 118, and the slot 118 opens in The edge of the second diagonal area BB of another group of the insulating elastic body 100.
  • the through holes 117 are the slots 118.
  • the number is more than one, it may include at least one slot 118 and at least one through hole 117 provided in the outer contour of the insulating elastic body 100, and further, each group of multiple through holes 117 are all slots 118.
  • the aperture of the through hole 117 can be determined according to the elasticity and mechanical properties of the insulating elastic body 100, and the through hole 117 is opened in another set of opposite second diagonal regions BB of the insulating elastic body 100.
  • a slot 118 is formed at the edge, which can make the deformation space of the insulating elastic body 100 larger, thereby further improving the elastic performance of the insulating elastic body 100.
  • the slot 118 can be one, two or more.
  • the location of the 118 can be opened in the area of the third surface 113 close to the second surface 112, the area of the second surface 112 close to the third surface 113, the intersection of the third surface 113 and the second surface 112, the fourth surface 114, the The area of a surface 111 close to the fourth surface 114, the area of the fourth surface 114 close to the first surface 111, and the junction of the first surface 111 and the second surface 112, and the number of slots 118 and the setting positions are electrically connected according to the crimping The actual situation of the device 10 is determined.
  • the first extension portion 212 is far away from the third surface.
  • the end of the surface 113 is provided with a first hook 214.
  • the first hook 214 and the first extension 212 may be an integral structure formed by bending.
  • the end of the second extension 213 away from the fourth surface 114 is provided with a second hook 215, the second hook 215 and the second extension 213 may be an integral structure, formed by bending,
  • the two hooks 215 are snap-connected with the slot 118 adjacent thereto.
  • each set of through holes 117 includes at least one slot 118
  • the first extension 212 and the first surface are realized by the snap connection between the first hook 214 and the slot 118 adjacent thereto
  • the fixed connection of 111 is realized by the snap connection of the second hook 215 and the similar slot 118 to realize the fixed connection of the second extension 213 and the second surface 112, and the snap connection can better fix the first extension. 212 and the first surface 111, the second extension portion 213 and the second surface 112, to prevent the first extension portion 212 and the second extension portion 213 from falling off the insulating elastic body 100 during use.
  • the fixed connection between the first extension portion 212 and the first surface 111, the second extension portion 213 and the second surface 112 is not limited to the above-mentioned buckle connection, and may also be in other structural forms, such as As shown in FIGS. 4-8, 10, 13, 14 and 15, in a preferred embodiment, the first extension 212 and the second extension 213 are fixed to the insulating elastic body 100 by an adhesive layer 500 On the opposite surface.
  • the first extension 212 and the first surface 111 are fixedly connected by the adhesive layer 500, and the second extension 213 and the second surface 112 are fixedly connected by the adhesive layer 500.
  • the bonding effect of the adhesive layer 500 can better fix the first extension 212 and the first surface 111, the second extension 213 and the second surface 112, so as to prevent the first extension 212 and the second extension during use.
  • the portion 213 is detached from the insulating elastic body 100. It is worth noting that the fixed connection of the first extension 212 and the first surface 111, and the second extension 213 and the second surface 112 is not limited to all snap connections, or all of them are glued through the adhesive layer 500.
  • first extension 212 and the first surface 111 are fixed by a snap connection
  • second extension 213 and the second surface 112 are fixed by The adhesive layer 500 is glued and fixed.
  • the adhesive layer 500 may be formed by thermal curing of liquid silica gel, but of course it is not limited thereto.
  • the adhesive layer 500 can be formed by thermal curing of liquid silicone.
  • the adhesive layer 500 formed after curing has better elasticity and insulation, and the liquid silicone An extension portion 212 and a second extension portion 213 are bonded together and form a solid adhesive layer 500 after curing.
  • the adhesive layer 500 will maintain elasticity and will not melt but maintain the adhesive force after heating. In addition, the adhesive force is maintained even during welding. Therefore, the adhesive layer 500 formed by the thermal curing of the liquid silicone rubber has better elasticity and better connection stability.
  • the conductive metal sheet 200 and the insulating elastic body 100 are injection-molded into one body.
  • it is not limited to this, and may also be Molding, extrusion and other production processes.
  • the pre-bending may include the first extension 212 and the second extension 213 being bent at a certain angle relative to the embedding part 211, and may also include the end of the first extension 212 being bent away from the third surface 113.
  • the ends of the first hook 214 and the second extension 213 away from the fourth surface 114 are bent to form a second hook 215.
  • the above-mentioned crimping electrical connector 10 can be manufactured only by injection molding, bending and fixing. The manufacturing process is simple, automatic continuous production can be effectively realized, and the production efficiency is improved.
  • the electrical connection performance can be improved by changing the material of the conductive metal sheet 200.
  • the first extension 212 and the second extension 213 The side away from the insulating elastomer 100 is provided with a metal coating layer 600, and the conductivity of the metal coating layer 600 is greater than that of the conductive metal sheet 200.
  • a metal coating layer 600 is provided on the side of the first extension portion 212 and the second extension portion 213 away from the insulating elastic body 100, and the conductivity of the metal coating layer 600 is defined to be greater than that of the conductive metal sheet
  • the electrical conductivity of 200 makes the electrical connection performance between the first extension portion 212 and the first substrate 300, and the second extension portion 213 and the second substrate 400 better, and the electrical contact is good.
  • the metal coating layer 600 can be prepared by printing, spraying, spin coating, etc.
  • the metal coating layer 600 can completely cover the area of the first extension 212 above the first surface 111, or it can only be coated Similarly, the metal coating layer 600 can completely cover the area of the second extension 213 above the second surface 112, or it can only coat the first extension 212 directly above the first extension 212.
  • the conductive metal sheet 200 may be a copper sheet, an iron sheet, or a stainless steel sheet, but is not limited thereto.
  • the conductive metal sheet 200 is defined as a copper sheet, iron sheet or stainless steel sheet with good conductivity to improve the electrical connection performance.
  • the material of the corresponding metal coating layer 600 may be Silver, zinc, etc., the specific material of the conductive metal sheet 200 and the material of the metal coating layer 600 can be determined according to the actual conditions of the crimping electrical connector 10.
  • the elastic performance can also be improved by changing the material of the insulating elastomer 100.
  • the insulating elastomer 100 can be a thermosetting resin and/or thermoplastic elastic member with elasticity.
  • the insulating elastomer 100 is a thermosetting resin piece with elasticity, a thermoplastic elastic piece, or a combination of a thermosetting resin piece and a thermoplastic elastic piece Pieces to improve the elastic performance of the insulating elastomer 100.
  • the specific material and structural composition of the insulating elastomer 100 can be determined according to the processing temperature of the mobile terminal product, the required elastic function and other requirements.
  • the insulating elastic body 100 is a thermosetting resin part, specifically, the insulating elastic body 100 may be a silicone resin part.
  • the insulating elastomer 100 is defined as a silicone resin part, so that the insulating elastomer 100 has both elasticity and heat resistance, thereby ensuring that the crimping electrical connector 10 is welded and fixed to the substrate.
  • Thermal stability of insulating elastomer 100 is not limited to silicone resin, but can also be other thermosetting resins, such as unsaturated polyester resin, epoxy resin, phenol resin, melamine formaldehyde resin, furan resin, polybutadiene A mixture of one or more of resins and silicone resins. These materials have good heat resistance and elasticity.
  • the insulating elastomer 100 When using these materials to prepare the insulating elastomer 100, it can also be based on the elastic properties and elastic properties of these materials.
  • the heat resistance performance is further improved by using a variety of mixed resin materials or adding heat resistance additives and elastic additives to improve the heat resistance or elasticity of the insulating elastomer 100.
  • the insulating elastic body 100 is a thermoplastic resin member
  • the insulating elastic body 100 may be a styrene-based, olefin-based, polyetherester-based, polyurethane-based, polyamide-based, or vinyl chloride-based elastic member.
  • the aforementioned crimping electrical connector 10 limits the insulating elastomer 100 to be styrene, olefin, polyetherester, polyurethane, polyamide, or vinyl chloride, so that the insulating elastomer 100 has both elastic properties and The stable structural performance ensures the structural stability of the insulating elastomer 100.
  • the material of the insulating elastomer 100 is not limited to the above-mentioned materials, and may also be other thermoplastic resin materials.
  • the insulating elastic body 100 is a combination of a solid resin part and a thermoplastic elastic part, as shown in FIG. 15, specifically, the insulating elastic body 100 includes an inner core part 119 and an outer ring part 120 surrounding the core body, and an inner core part 119 It is a thermoplastic elastic member, and the outer ring portion 120 is a thermosetting resin member.
  • the inner core portion 119 is defined as a thermoplastic elastic member to improve the structural stability of the entire insulating elastomer 100
  • the outer ring portion 120 is defined as a thermosetting resin member to improve the overall insulating elastic body 100.
  • Thermal stability so that the insulating elastomer 100 has structural elasticity, stability, and thermal stability, and has better structural performance.
  • the inner core part 119 may be a silicone resin part
  • the outer ring part 120 may be a styrene elastic part
  • the inner core part 119 may be a cube structure, a cylindrical structure, etc.
  • the outer ring part 120 may be a cavity type
  • the structure, the specific material, size and structure of the inner core part 119 and the outer ring part 120 are determined according to the actual flexibility and mechanical strength of the crimping electrical connector 10.
  • the first extension 212 can be fixedly connected to the first substrate 300 by welding.
  • the material of the insulating elastic body 100 needs to have high thermal stability, and according to the processing of the crimping electrical connector 10 when applied to mobile terminal products For temperature requirements, when the material of the insulating elastomer 100 used is low in thermal stability, as shown in FIG. 12 and FIG. ⁇ 700 ⁇ Surface glue 700.
  • the insulating elastic body 100 can be directly bonded to the substrate without the need for soldering operation, which simplifies
  • the preparation process also expands the optional range of preparation materials of the insulating elastomer 100.
  • one side of the conductive double-sided adhesive 700 can be adhered to the first extension 212, and then the protective layer needs to be removed when bonding with the first substrate 300 for bonding.
  • the conductive double-sided adhesive 700 The projection on the first extension 212 can completely cover the area of the first extension 212 above the first surface 111, or it can partially cover, and the specific structure, material and size of the conductive double-sided adhesive 700 are electrically connected according to the crimping The actual situation of the device 10 is determined.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

本发明涉及一种压接电连接器，包括绝缘弹性体及导电金属片，导电金属片嵌设于绝缘弹性体，且具有伸出绝缘弹性体一组相对的对角区域的第一延伸部和第二延伸部，第一延伸部和第二延伸部弯折后固定于绝缘弹性体相对的表面上；弹性回弹形变来自于绝缘弹性体，而非导电金属片本身，故多次压接操作后导电金属片的电接触性能仍然较好，电接触良好，而由于第一延伸部和第二延伸部固定在绝缘弹性体的表面上，使得第一延伸部和第二延伸部作为连接端子的表面为平面，显著提升了接触面积，进而能够使得压接电连接器的电连接性能较好，电接触良好，并且便于将第一延伸部通过焊接等方式固定在基板上，保证了与基板连接的可靠性。

Description

压接电连接器 技术领域
本发明涉及电连接器技术领域，特别是涉及一种压接电连接器。
背景技术
随着移动电话、智能手机、平板电脑等便携式移动终端设备的小型化和高功能化的不断发展，电子器件的体积逐渐减小，基板在有限空间内的安装密度逐渐增大，与此相对应的导电端子越来越小，对电连接器的要求也越来越高。
目前电连接器主要为压接电连接器，通过压接的方式将内置于移动终端设备内的多个基板彼此电连接，现有的压接电连接器固定设置并电连接在一个基板上，具有与另一基板上的导电端子相对应的弹性连接端子，弹性连接端子在压力作用下与导电端子电接触实现两个基板的电连接，并且在压力撤离后回弹复位，目前弹性连接端子具有两种方式，方式一：金属弹片，但是由于金属弹片的往复弹性形变主要来自金属体材料本身，当金属弹片的尺寸较小时，其随着多次压接操作后，金属材质本身的可压缩性和弹性性能就会变得非常差，导致电接触不良，而当采用螺旋状的金属弹片以提高弹性时，金属弹片的焊接面积受限，使得焊接不可靠；方式二：导电金属胶接在绝缘弹性体的外侧，但是这种电连接器限制了绝缘弹性体的弹性形变，而且在制备时将绝缘弹性体、导电金属分别生产、粘合和切割，无法形成自动连续的生产，生产效率低。
发明内容
基于此，有必要针对焊接不可靠和多次压接操作后弹性性能变差导致电接触不良的问题，提供一种压接电连接器。
一种压接电连接器，包括绝缘弹性体及导电金属片，所述导电金属片嵌设于所述绝缘弹性体，且具有伸出所述绝缘弹性体一组相对的对角区域的第一延伸部和第二延伸部，所述第一延伸部和所述第二延伸部弯折后固定于所述绝缘弹性体相对的表面上。
上述压接电连接器，通过导电金属片嵌设于弹性件，并且第一延伸部和第二延伸部弯折后固定于绝缘弹性体的表面，以将导电金属片和弹性件固定为一体，第一延伸部作为一连接端子固定于一基板并与该基板电连接，在压力作用下第二延伸部作为另一连接端子与另一基板压接，实现相对两个基板的电连接，并且此时弹性件被压缩，在压力撤离后弹性件回弹使得第二延伸部复位；在上述压接电连接器中的弹性回弹形变来自于绝缘弹性体，而非导电金属片本身，故多次压接操作后导电金属片的电接触性能仍然较好，电接触良好，而由于第一 延伸部和第二延伸部固定在绝缘弹性体的表面上，使得第一延伸部和第二延伸部作为连接端子的表面为平面，显著提升了接触面积，进而能够使得压接电连接器的电连接性能较好，电接触良好，并且便于将第一延伸部通过焊接等方式固定在基板上，保证了与基板连接的可靠性。
在其中一个实施例中，所述绝缘弹性体具有相互平行的第一表面和第二表面、分别连接所述第一表面和所述第二表面的第三表面和第四表面，所述导电金属片沿垂直于所述第一表面的横截面为Z字型，其中：
所述第一延伸部固定于所述第一表面，且在所述第一表面上的投影覆盖所述第一表面；
所述第二延伸部固定于所述第二表面，且所述第二表面上的投影覆盖所述第二表面。
上述压接电连接器，通过限定第一延伸部在第一表面上的投影覆盖第一表面，以及第二延伸部在第二表面上的投影覆盖第二表面，以使得第一延伸部和第二延伸部与基板的接触面积较大，进而使得电连接性能更好，电接触更好。
在其中一个实施例中，所述第一延伸部和所述第二延伸部沿所述绝缘弹性体的对角方向伸出所述绝缘弹性体。
上述压接电连接器，通过限定第一延伸部和第二延伸部沿着绝缘弹性体的对角方向伸出，以进一步保证第一延伸部在第一表面上的投影覆盖第一表面，以及第二延伸部在第二表面上的投影覆盖第二表面，使得电接触良好。
在其中一个实施例中，所述绝缘弹性体包括相对设置的第五表面和第六表面，所述第五表面连接所述第一表面和所述第三表面，且向着朝向所述第二表面的方向倾斜，所述第一延伸部从所述第五表面伸出，所述第六表面连接所述第二表面和所述第四表面，且向着朝向所述第一表面的方向倾斜，所述第二延伸部从所述第六表面伸出。
上述压接电连接器，通过在第一表面和第三表面之间设置第五表面，在第二表面和第四表面之间设置第六表面，以便于第一延伸部和第二延伸部的弯折，同时使得弯折后第一延伸部和第一表面、第二延伸部和第二表面之间的间隙较小，便于第一延伸部与第一表面的固定，第二延伸部和第二表面的固定。
在其中一个实施例中，所述第一延伸部伸出所述第三表面，所述第二延伸部伸出所述第四表面。
上述压接电连接器，通过限定第一延伸部伸出第三表面，第二延伸部伸出第四表面，以便于第一延伸部和第二延伸部的弯折，同时使得弯折后第一延伸部和第一表面、第二延伸部和第二表面之间的间隙较小，便于第一延伸部与第一表面的固定，第二延伸部和第二表面的固定。
在其中一个实施例中，所述绝缘弹性体上设有两组通孔，所述两组通孔位于嵌设于所述 绝缘弹性体内的部分所述导电金属片的两侧，且所述通孔的轴向方向平行于第一表面以及第三表面。
上述压接电连接器，通过在绝缘弹性体上设置通孔以扩展绝缘弹性体的形变空间，从而提升其弹性性能，进而使得压接电连接器的整体往复的弹性性能。
在其中一个实施例中，每一组通孔中包括槽孔，所述槽孔开口于所述绝缘弹性体的另一组相对的对角区域的边缘。
上述压接电连接器，通孔的孔径可以根据绝缘弹性体的弹性和机械性能确定，而为了进一步提高绝缘弹性体的弹性性能，可以包括孔径延伸至绝缘弹性体的另一组相对的对角区域的边缘。
在其中一个实施例中，所述第一延伸部远离所述第三表面的端部设有第一卡勾，所述第一卡勾和与之相近的所述槽孔卡扣连接；所述第二延伸部远离所述第四表面的端部设有第二卡勾，所述第二卡勾和与之相近的所述槽孔卡扣连接。
上述压接电连接器，通过第一卡勾和与之相近的槽孔的卡扣连接实现第一延伸部和第一表面的固定连接，通过第二卡勾和与之相近的槽孔的卡扣连接实现第二延伸部和第二表面的固定连接，以防止在使用过程中第一连接部和第二连接部从绝缘弹性体上脱落。
在其中一个实施例中，所述第一延伸部和所述第二延伸部通过粘结剂层固定于所述绝缘弹性体相对的表面上。
上述压接电连接器，通过粘结剂层实现第一延伸部和第一表面的固定连接，通过粘结剂层实现第二延伸部和第二表面的固定连接，以防止在使用过程中第一连接部和第二连接部从绝缘弹性体上脱落。
在其中一个实施例中，所述粘结剂层通过液态硅胶的热固化形成。
上述压接电连接器，通过液态硅胶的热固化形成的粘结剂层具有较好的弹性并且连接稳定性较好。
在其中一个实施例中，所述导电金属片与所述绝缘弹性体注塑成型为一体。
上述压接电连接器，通过注塑成型将导电金属片和绝缘弹性体嵌设在一起，形成一体式结构。
在其中一个实施例中，所述第一延伸部和第二延伸部背离所述绝缘弹性体的一侧设有金属涂覆层，所述金属涂覆层的导电性大于所述导电金属片的导电性。
上述压接电连接器，通过在第一延伸部和第二延伸部背离绝缘弹性体的一侧设置金属涂覆层，并限定金属涂覆层的导电性大于导电金属片的导电性，以使得第一延伸部和基板、第二延伸部和另一基板的电连接性能较好，电接触良好。
在其中一个实施例中，所述导电金属片为铜片、铁片或不锈钢片。
上述压接电连接器，通过限定导电金属片为导电性较好的铜片、铁片或不锈钢片，以提高电连接性能。
在其中一个实施例中，所述绝缘弹性体为具有弹性的热固性树脂件和/或热塑性弹性件。
上述压接电连接器，通过限定绝缘弹性体为具有弹性的热固性树脂件、热塑性弹性件或是热固性树脂件和热塑性弹性件的组合件，提高绝缘弹性体的弹性性能。
在其中一个实施例中，所述绝缘弹性体为有机硅树脂件。
上述压接电连接器，通过限定绝缘弹性体为有机硅树脂件，以使得绝缘弹性体兼备弹性性能和耐热性能，进而保证在将压接电连接器焊接固定到基板上时绝缘弹性体的热稳定性。
在其中一个实施例中，所述绝缘弹性体为苯乙烯类、烯烃类、聚醚酯类、聚氨酯类、聚酰胺类或氯乙烯类弹性件。
上述压接电连接器，通过限定绝缘弹性体为苯乙烯类、烯烃类、聚醚酯类、聚氨酯类、聚酰胺类或氯乙烯类弹性件，以使得绝缘弹性体兼备弹性性能和稳定的结构性能，进而保证绝缘弹性体的结构稳定性。
在其中一个实施例中，所述第一延伸部或所述第二延伸部背离所述绝缘弹性体的一侧设有导电双面胶。
上述压接电连接器，通过在第一延伸部或是第二延伸部背离绝缘弹性体的一侧设置导电双面胶可以将绝缘弹性体直接粘合到基板上，而无需进行焊接操作，简化了制备工艺并且扩展了绝缘弹性体的制备材料的可选范围。
在其中一个实施例中，所述绝缘弹性体包括内芯部及环绕所述芯体的外环部，所述内芯部为热塑性弹性件，外环部为热固性树脂件。
上述压接电连接器，通过限定内芯部为热塑性弹性件，以提高整个绝缘弹性体的结构稳定性，通过限定外环部为热固性树脂件，以提高整个绝缘弹性体的热稳定性，从而使得绝缘弹性体兼备结构弹性性能、稳定性和热稳定性，结构性能较好。
附图说明
图1为本发明一实施例中压接电连接器的结构示意图；
图2为本发明另一实施例中压接电连接器的结构示意图；
图3为本发明一实施例中压接电连接器的装配示意图；
图4为本发明一实施例中压接电连接器的工作场景示意图；
图5为本发明一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图6为本发明另一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图7为本发明再一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图8为本发明又一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图9为本发明另一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图10为本发明再一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图11为本发明又一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图12为本发明另一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图13为本发明再一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图14为本发明又一实施例中压接电连接器在垂直于第一表面方向上的截面示意图；
图15为本发明又一实施例中压接电连接器在垂直于第一表面方向上的截面示意图。
附图标记：
10、压接电连接器         100、绝缘弹性体          111、第一表面
112、第二表面            113、第三表面            114、第四表面
115、第五表面            116、第六表面            117、通孔
118、槽孔                119、内芯部              120、外环部
200、导电金属片          211、嵌入部              212、第一延伸部
213、第二延伸部          214、第一卡勾            215、第二卡勾
300、第一基板            400、第二基板            500、粘结剂层
600、金属涂覆层          700、导电双面胶
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图对本发明的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本发明。但是本发明能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下做类似改进，因此本发明不受下面公开的具体实施例的限制。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
如图1、图2、图3以及图4所示，本发明的实施例提供了一种压接电连接器10，包括 绝缘弹性体100以及导电金属片200，其中，绝缘弹性体100为压接电连接器10提供弹性作用，导电金属片200为压接电连接器10提供电连接作用，在具体设置时，导电金属片200具有嵌入部211以及位于所述嵌入部211两侧的第一延伸部212和第二延伸部213，该嵌入部211嵌设于绝缘弹性体100，并且该嵌入部211全部位于绝缘弹性体100内部，该第一延伸部212和第二延伸部213外伸出绝缘弹性体100的一组相对的两个第一对角区域AA，并且第一延伸部212和第二延伸部213弯折后固定于绝缘弹性体100相对的表面上，如图3所示，第一延伸部212沿方向C弯折，而第二延伸部213沿方向D弯折，在弯折后第一延伸部212和第二延伸部213的延伸方向相反。
上述压接电连接器10，通过导电金属片200嵌设于弹性件，并且第一延伸部212和第二延伸部213弯折后固定于绝缘弹性体100的表面，以将导电金属片200和弹性件固定为一体，为了便于描述，如图4所示，第一延伸部212作为固定端，第一延伸部212作为一连接端子固定于第一基板300并与该第一基板300电连接，而第二延伸部213作为压接端，靠近第二基板400设置，在压力作用下第二延伸部213作为另一连接端子与第二基板400压接，实现相对第一基板300和第二基板400的电连接，并且此时弹性件被压缩，在压力撤离后弹性件回弹使得第二延伸部213复位；在上述压接电连接器10中的弹性回弹形变来自于绝缘弹性体100，而非导电金属片200本身，故多次压接操作后导电金属片200的电接触性能仍然较好，电接触良好，而由于第一延伸部212和第二延伸部213固定在绝缘弹性体100的表面上，使得第一延伸部212和第二延伸部213作为连接端子的表面为平面，显著提升了接触面积，进而能够使得压接电连接器10的电连接性能较好，电接触良好，并且便于将第一延伸部212通过焊接等方式固定在第一基板300上，保证了第一延伸部212与第一基板300连接的可靠性。
在上述压接电连接器10的基础上，可以通过提高第一延伸部212、第二延伸部213的面积来提高电连接性能，一并参考图5、图6以及图7，一种优选实施方式中，绝缘弹性体100具有第一表面111、第二表面112、第三表面113和第四表面114，其中，第一表面111和第二表面112相互平行，第三表面113连接第一表面111和第二表面112，第四表面114同样连接第一表面111和第二表面112，导电金属片200沿垂直于第一表面111的横截面为Z字型，这样的导电金属片200能够节约导电金属材料，减小金属电阻，导电金属片200在垂直于第一表面111方向上的横截面可以规则的Z字型，也可以大致为Z字型，当然并不局限于此，还可以为其他结构形式，例如导电金属片200的嵌入部211在垂直于第一表面111上的横截面可以S形。
其中：第一延伸部212固定于第一表面111，并且该第一延伸部212在第一表面111上的投影覆盖第一表面111；第二延伸部213固定于第二表面112，并且该第二延伸部213第二表面112上的投影覆盖第二表面112。在具体设置时，第一延伸部212在第一表面111上的 投影可以恰好覆盖第一表面111，第一延伸部212在第一表面111上的投影轮廓可以位于第一表面111的外侧，同样，第二延伸部213在第二表面112上的投影可以恰好覆盖第二表面112，第二延伸部213在第二表面112上的投影轮廓可以位于第二表面112的外侧。
上述压接电连接器10，通过限定第一延伸部212在第一表面111上的投影覆盖第一表面111，以使得第一延伸部212与第一基板300的接触面积较大，便于第一延伸部212和第一基板300的焊接操作，并且使得焊接面积较大，提高焊接稳定性，进而使得第一延伸部212和第一基板300的电连接较好；通过限定第二延伸部213在第二表面112上的投影覆盖第二表面112，以使得第二延伸部213与第二基板400的接触面积较大，进而使得电连接性能更好，电接触更好；在具体设置时，第一表面111和第二表面112的面积相同，第三表面113和第四表面114相平行，此时，绝缘弹性体100为规则的柱体结构，便于加工制备以及第一延伸部212和第二延伸部213的弯折固定，当然，第一表面111和第二表面112的面积也可以不同，可以将第一表面111的面积设置成大于第二表面112的面积，以使得与第一基板300相焊接的第一延伸部212面积较大，便于第一延伸部212和第一基板300的焊接操作，并且使得焊接面积更大，提高焊接稳定性。
第一延伸部212和第二延伸部213从绝缘弹性体100的一组相对的两个第一对角区域AA伸出的方式具有多种，如图5所示，具体地，第一延伸部212和第二延伸部213沿绝缘弹性体100的对角方向X伸出绝缘弹性体100，此时第一伸出部从第一表面111和第三表面113的相交处伸出，第二伸出部从第二表面112和第四表面114的相交处伸出。
上述压接电连接器10，通过限定第一延伸部212和第二延伸部213沿着绝缘弹性体100的对角方向X伸出，使得第一延伸部212在弯折时的弯折半径位于第一表面111的外侧，第二延伸部213在弯折时的弯折半径位于第二表面112的外侧，以进一步保证第一延伸部212在第一表面111上的投影覆盖第一表面111，使得第一延伸部212的面积较大，更好地固定在第一基板300上，第二延伸部213在第二表面112上的投影覆盖第二表面112，使得第二延伸部213的面积较大，便于压接操作，从而使得压接电连接器10整体电接触良好。
为了便于第一延伸部212和第二延伸部213的弯折，如图6所示，更具体地，绝缘弹性体100包括相对设置的第五表面115和第六表面116，第五表面115连接第一表面111和第三表面113，并且该第五表面115向着朝向第二表面112的方向倾斜，第一延伸部212从该第五表面115伸出，第六表面116连接第二表面112和第四表面114，并且该第六表面116向着朝向第一表面111的方向倾斜，第二延伸部213从该第六表面116伸出，在具体设置时，第五表面115向着朝向第二表面112的方向倾斜的角度和第六表面116向着朝向第一表面111的方向倾斜可以相同也可以不同，而具体角度的数值可以根据第一延伸部212以及第二延伸部213的弯折半径进行确定。
上述压接电连接器10，通过在第一表面111和第三表面113之间设置第五表面115，第一延伸部212从该第五表面115伸出，以使得第一延伸部212在弯折时的弯折中心从第一表面111背离第二表面112的一侧下移到第一表面111朝向第二表面112的一侧，以便于第一延伸部212的弯折，并且此时，弯折后第一延伸部212和第一表面111之间的间隙较小，便于第一延伸部212与第一表面111的固定；同样，通过在第二表面112和第四表面114之间设置第六表面116，第二延伸部213从该第六表面116伸出，以使得第二延伸部213在弯折时的弯折中心从第二表面112背离第一表面111的一侧上移到第二表面112朝向第一表面111的一侧，以便于第二延伸部213的弯折，并且此时，弯折后第二延伸部213和第二表面112之间的间隙较小，便于第二延伸部213与第二表面112的固定，上述压接电连接器10有效利用了绝缘弹性体100的外部空间，使得整体尺寸较小，有利于实现小型化。
第一延伸部212和第二延伸部213从绝缘弹性体100的一组相对的两个第一对角区域AA伸出的方式具有多种，如图7所示，具体地，第一延伸部212伸出第三表面113，第二延伸部213伸出第四表面114，此时第一延伸部212的伸出端距离第一表面111的距离和第二延伸部213的伸出端距离第二表面112的距离可以相同也可以不同，而具体距离的数值可以根据第一延伸部212以及第二延伸部213的弯折半径进行确定。
上述压接电连接器10，通过限定第一延伸部212伸出第三表面113，以使得第一延伸部212在弯折时的弯折中心从第一表面111背离第二表面112的一侧下移到第一表面111朝向第二表面112的一侧，以便于第一延伸部212的弯折，并且此时，弯折后第一延伸部212和第一表面111之间的间隙较小，便于第一延伸部212与第一表面111的固定；同样，通过限定第二延伸部213伸出第四表面114，以使得第二延伸部213在弯折时的弯折中心从第二表面112背离第一表面111的一侧上移到第二表面112朝向第一表面111的一侧，以便于第二延伸部213的弯折，并且此时，弯折后第二延伸部213和第二表面112之间的间隙较小，便于第二延伸部213与第二表面112的固定，上述压接电连接器10有效利用了绝缘弹性体100的外部空间，使得在第一表面111和第二表面112的层叠方向上的尺寸较小，有利于实现小型化。
为了提高绝缘弹性体100的弹性性能，一并参考图7、图8、图9以及图10，一种优选实施方式中，绝缘弹性体100上设有两组通孔117，这两组通孔117位于嵌入部211的两侧，每一通孔117贯穿绝缘弹性体100并且其轴向方向平行于第一表面111和第二表面112。
上述压接电连接器10，通孔117的设置使得绝缘弹性体100不仅可以向着其外部轮廓的外侧进行弹性变形，还可以在内部进行变形，故通过在绝缘弹性体100上设置通孔117能够扩展绝缘弹性体100的形变空间，从而提升其弹性性能，进而使得压接电连接器10的整体往复的弹性性能。在具体设置时，每一组通孔117的数目可以为一个、两个、三个或是三个以 上，多个通孔117可以在绝缘弹性体100上均匀布置，两组通孔117可以位于为了嵌入部211的两侧，以保证弹性形变的均衡，并且两组通孔117的数目可以相同也可以不同，而通孔117在绝缘弹性体100上的具体设置方式根据压接电连接器10的实际情况进行确定，而进一步提高绝缘弹性体100的弹性性能，还可以在绝缘弹性体100上均匀布置多个盲孔。
通孔117在绝缘弹性体100上的具体设置方式具有多种，如图8所示，多个通孔117全部设置在绝缘弹性体100的外轮廓内，以便于通孔117的设置，当然通孔117并不局限于设置在绝缘弹性体100外轮廓的内部，具体地，一并参考如图7、图9以及图10，每一组通孔117中包括槽孔118，槽孔118开口于绝缘弹性体100的另一组相对的第二对角区域BB的边缘，当每一组通孔117的数目为一个时，该通孔117即为槽孔118，当每一组通孔117的数目为多个时，可以包括至少一个槽孔118和至少一个设置在绝缘弹性体100外轮廓内的通孔117，更进一步每一组多个通孔117全部为槽孔118。
上述压接电连接器10，通孔117的孔径可以根据绝缘弹性体100的弹性和机械性能确定，而将通孔117开口于绝缘弹性体100的另一组相对的第二对角区域BB的边缘形成槽孔118，能够使得绝缘弹性体100的形变空间更大，从而进一步提高绝缘弹性体100的弹性性能，在具体设置时，槽孔118可以为一个、两个或是多个，槽孔118设置位置可以是开口于第三表面113靠近第二表面112的区域、第二表面112靠近第三表面113的区域、第三表面113和第二表面112的交接处、第四表面114、第一表面111靠近第四表面114的区域、第四表面114靠近第一表面111的区域以及第一表面111和第二表面112的交接处，而槽孔118的数目以及设置位置根据压接电连接器10的实际情况进行确定。
为了便于第一延伸部212和第一表面111、第二延伸部213和第二表面112的固定连接，一并参考图9、图11以及图12，具体地，第一延伸部212远离第三表面113的端部设有第一卡勾214，第一卡勾214与所述第一延伸部212可以为一体式结构，通过弯折形成，第一卡勾214和与之相近的槽孔118卡扣连接；第二延伸部213远离第四表面114的端部设有第二卡勾215，第二卡勾215与所述第二延伸部213可以为一体式结构，通过弯折形成，第二卡勾215和与之相近的槽孔118卡扣连接。
上述压接电连接器10，每一组通孔117包括至少一个槽孔118时，通过第一卡勾214和与之相近的槽孔118的卡扣连接实现第一延伸部212和第一表面111的固定连接，通过第二卡勾215和与之相近的槽孔118的卡扣连接实现第二延伸部213和第二表面112的固定连接，卡扣连接可以较好地固定第一延伸部212和第一表面111，第二延伸部213和第二表面112，以防止在使用过程中第一延伸部212和第二延伸部213从绝缘弹性体100上脱落。
在上述各实施例的基础上，第一延伸部212和第一表面111、第二延伸部213和第二表面112的固定连接并不局限于上述卡扣连接，还可以为其他结构形式，如图4-图8、图10、 图13、图14以及图15所示，一种优选实施方式中，第一延伸部212和第二延伸部213通过粘结剂层500固定于绝缘弹性体100相对的表面上。
上述压接电连接器10，通过粘结剂层500实现第一延伸部212和第一表面111的固定连接，通过粘结剂层500实现第二延伸部213和第二表面112的固定连接，粘结剂层500的胶结作用能够较好地固定第一延伸部212和第一表面111，第二延伸部213和第二表面112，以防止在使用过程中第一延伸部212和第二延伸部213从绝缘弹性体100上脱落。值得注意的是，第一延伸部212和第一表面111、第二延伸部213和第二表面112的固定连接方式并不局限于全部卡扣连接，或是全部通过粘结剂层500胶接，还可以一部分卡扣连接，另一部分通过粘结剂层500胶接，例如，第一延伸部212和第一表面111通过卡扣连接固定，第二延伸部213和第二表面112的固定通过粘结剂层500胶接固定。
具体地，粘结剂层500可以通过液态硅胶的热固化形成，当然并不局限于此。
上述压接电连接器10，粘结剂层500可以通过液态硅胶的热固化而形成，固化后所形成的粘结剂层500具有较好的弹性和绝缘性，而且液态硅胶在固化时与第一延伸部212和第二延伸部213相粘合，并在固化后形成固态的粘结剂层500，该粘结剂层500会维持弹性，再加热也不会熔融而是维持粘结力，并且即使在焊接时也维持粘结力，因此，通过液态硅胶的热固化形成的粘结剂层500具有较好的弹性并且连接稳定性较好。
在上述各实施例的基础上，为了实现嵌入部211与绝缘弹性体100的嵌设，具体地，导电金属片200与绝缘弹性体100注塑成型为一体，当然并不局限于此，还可以为模压、挤出等生产工艺。
上述压接电连接器10，如图3所示，在具体制备时，可以先将导电金属片200进行预弯折，然后通过将预弯折后的导电金属片200在注塑机上进行绝缘弹性体100的，注塑成型后导电金属片200和绝缘弹性体100嵌设在一起，形成一体式结构。在具体设置时，预弯折可以包括第一延伸部212和第二延伸部213相对于嵌入部211弯折一定角度，还可以包括第一延伸部212远离第三表面113的端部弯折形成第一卡勾214，第二延伸部213远离第四表面114的端部弯折形成第二卡勾215。上述压接电连接器10仅需要通过注塑、弯折及固定就能够完成制备，制备工艺简单，能够有效地实现自动连续生产，提高了生产效率。
在上述各实施例的基础上，可以通过改变导电金属片200的材料提高电连接性能，如图11-图14所示，一种优选实施方式中，第一延伸部212和第二延伸部213背离绝缘弹性体100的一侧设有金属涂覆层600，该金属涂覆层600的导电性大于导电金属片200的导电性。
上述压接电连接器10，通过在第一延伸部212和第二延伸部213背离绝缘弹性体100的一侧设置金属涂覆层600，并限定金属涂覆层600的导电性大于导电金属片200的导电性，以使得第一延伸部212和第一基板300、第二延伸部213和第二基板400的电连接性能较好， 电接触良好。在具体设置时，金属涂覆层600可以通过印刷、喷涂、旋涂等方式制备，金属涂覆层600可以完全覆盖第一延伸部212位于第一表面111上方的区域，也可以仅涂覆位于第一延伸部212正上方的第一延伸部212，同样，金属涂覆层600可以完全覆盖第二延伸部213位于第二表面112上方的区域，也可以仅涂覆位于第二延伸部213正上方的第二延伸部213。
具体地，导电金属片200可以为铜片、铁片或不锈钢片，但并不局限于此。
上述压接电连接器10，通过限定导电金属片200为导电性较好的铜片、铁片或不锈钢片，以提高电连接性能，而此时相对应的金属涂覆层600的材质可以为银、锌等，具体导电金属片200的材质和金属涂覆层600的材质可以根据压接电连接器10的实际情况进行确定。
在上述各实施例的基础上，还可以通过改变绝缘弹性体100的材料提高弹性性能，一种优选实施方式中，绝缘弹性体100可以为具有弹性的热固性树脂件和/或热塑性弹性件。
上述压接电连接器10，由于热固性树脂和热塑性弹性材料的弹性性能均较好，通过限定绝缘弹性体100为具有弹性的热固性树脂件、热塑性弹性件或是热固性树脂件和热塑性弹性件的组合件，提高绝缘弹性体100的弹性性能。当然，绝缘弹性体100的具体材料和结构组成可以根据移动终端产品时的加工温度、所需弹性功能等需求进行确定。
绝缘弹性体100为热固性树脂件时，具体地，绝缘弹性体100可以为有机硅树脂件。
上述压接电连接器10，通过限定绝缘弹性体100为有机硅树脂件，以使得绝缘弹性体100兼备弹性性能和耐热性能，进而保证在将压接电连接器10焊接固定到基板上时绝缘弹性体100的热稳定性。当然，绝缘弹性体100的材料并不局限于有机硅树脂，还可以为其他热固性树脂时，例如，不饱和聚酯树脂、环氧树脂、酚醛树脂、三聚氰胺甲醛树脂、呋喃树脂，聚丁二烯树脂、有机硅树脂中的一种或多种之间的混合物，这些材料的耐热性和弹性都较好，而在利用这些材料制备绝缘弹性体100时，还可以根据这些材料的弹性性能和耐热性能进一步在采用多种混合树脂材料或添加耐热助剂和弹性助剂，来提升绝缘弹性体100的耐热性能或弹性性能。
绝缘弹性体100为热塑性树脂件时，具体地，绝缘弹性体100可以为苯乙烯类、烯烃类、聚醚酯类、聚氨酯类、聚酰胺类或氯乙烯类弹性件。
上述压接电连接器10，通过限定绝缘弹性体100为苯乙烯类、烯烃类、聚醚酯类、聚氨酯类、聚酰胺类或氯乙烯类弹性件，以使得绝缘弹性体100兼备弹性性能和稳定的结构性能，进而保证绝缘弹性体100的结构稳定性。当然，绝缘弹性体100的材料并不局限于上述材料，还可以为其他热塑性树脂材料。
绝缘弹性体100为固性树脂件和热塑性弹性件的组合件时，如图15所示，具体地，绝缘弹性体100包括内芯部119及环绕芯体的外环部120，内芯部119为热塑性弹性件，外环部 120为热固性树脂件。
上述压接电连接器10，通过限定内芯部119为热塑性弹性件，以提高整个绝缘弹性体100的结构稳定性，通过限定外环部120为热固性树脂件，以提高整个绝缘弹性体100的热稳定性，从而使得绝缘弹性体100兼备结构弹性性能、稳定性和热稳定性，结构性能较好。在具体设置时，内芯部119可以为有机硅树脂件，外环部120可以为苯乙烯类弹性件，内芯部119可以为正方体结构、圆柱形结构等，外环部120可以为腔体式结构，内芯部119和外环部120的具体材料、尺寸和结构形式根据压接电连接器10的实际柔韧性和机械强度进行确定。
第一延伸部212可以通过焊接的方式与第一基板300固定连接，此时的绝缘弹性体100的材料需要热稳定性较高，而根据压接电连接器10应用于移动终端产品时的加工温度的需求，当采用的绝缘弹性体100的材料热稳定性较低时，如图12以及图13所示，具体地，可以在第一延伸部212背离绝缘弹性体100的一侧设置导电双面胶700。
上述压接电连接器10，通过在第一延伸部212背离绝缘弹性体100的一侧设置导电双面胶700可以将绝缘弹性体100直接粘合到基板上，而无需进行焊接操作，简化了制备工艺并且扩展了绝缘弹性体100的制备材料的可选范围。在具体设置时，可以将导电双面胶700的一侧粘合到第一延伸部212上，再需要进行与第一基板300的粘结时撕掉保护层进行粘合，导电双面胶700在第一延伸部212上的投影可以完全覆盖第一延伸部212在第一表面111上方的面积，也可以部分覆盖，而导电双面胶700的具体结构形式、材质以及尺寸根据压接电连接器10的实际情况进行确定。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种压接电连接器，其特征在于，包括绝缘弹性体及导电金属片，所述导电金属片嵌设于所述绝缘弹性体，且具有伸出所述绝缘弹性体一组相对的对角区域的第一延伸部和第二延伸部，所述第一延伸部和所述第二延伸部弯折后固定于所述绝缘弹性体相对的表面上。
  2. 根据权利要求1所述的压接电连接器，其特征在于，所述绝缘弹性体具有相互平行的第一表面和第二表面、分别连接所述第一表面和所述第二表面的第三表面和第四表面，所述导电金属片沿垂直于所述第一表面的横截面为Z字型，其中：
    所述第一延伸部固定于所述第一表面，且在所述第一表面上的投影覆盖所述第一表面；
    所述第二延伸部固定于所述第二表面，且所述第二表面上的投影覆盖所述第二表面。
  3. 根据权利要求2所述的压接电连接器，其特征在于，所述第一延伸部和所述第二延伸部沿所述绝缘弹性体的对角方向伸出所述绝缘弹性体；优选地，所述绝缘弹性体包括相对设置的第五表面和第六表面，所述第五表面连接所述第一表面和所述第三表面，且向着朝向所述第二表面的方向倾斜，所述第一延伸部从所述第五表面伸出，所述第六表面连接所述第二表面和所述第四表面，且向着朝向所述第一表面的方向倾斜，所述第二延伸部从所述第六表面伸出。
  4. 根据权利要求2所述的压接电连接器，其特征在于，所述第一延伸部伸出所述第三表面，所述第二延伸部伸出所述第四表面。
  5. 根据权利要求2所述的压接电连接器，其特征在于，所述绝缘弹性体上设有两组通孔，所述两组通孔位于嵌设于所述绝缘弹性体内的部分所述导电金属片的两侧，且所述通孔的轴向方向平行于第一表面以及第三表面。
  6. 根据权利要求5所述的压接电连接器，其特征在于，每一组通孔中包括槽孔，所述槽孔开口于所述绝缘弹性体的另一组相对的对角区域的边缘；优选地，所述第一延伸部远离所述第三表面的端部设有第一卡勾，所述第一卡勾和与之相近的所述槽孔卡扣连接；所述第二延伸部远离所述第四表面的端部设有第二卡勾，所述第二卡勾和与之相近的所述槽孔卡扣连接。
  7. 根据权利要求1-6任一项所述的压接电连接器，其特征在于，所述第一延伸部和所述第二延伸部通过粘结剂层固定于所述绝缘弹性体相对的表面上；优选地，所述粘结剂层通过液态硅胶的热固化形成。
  8. 根据权利要求1-6任一项所述的压接电连接器，其特征在于，所述导电金属片与所述绝缘弹性体注塑成型为一体。
  9. 根据权利要求1-6任一项所述的压接电连接器，其特征在于，所述第一延伸部和第二 延伸部背离所述绝缘弹性体的一侧设有金属涂覆层，所述金属涂覆层的导电性大于所述导电金属片的导电性；优选地，所述导电金属片为铜片、铁片或不锈钢片。
  10. 根据权利要求1-6任一项所述的压接电连接器，其特征在于，所述绝缘弹性体为具有弹性的热固性树脂件和/或热塑性弹性件，所述热固性树脂件优选地为有机硅树脂件，所述热塑性弹性件优选地为苯乙烯类、烯烃类、聚醚酯类、聚氨酯类、聚酰胺类或氯乙烯类弹性件；优选地，所述第一延伸部或所述第二延伸部背离所述绝缘弹性体的一侧设有导电双面胶，和/或，所述绝缘弹性体包括内芯部及环绕所述芯体的外环部，所述内芯部为热塑性弹性件，外环部为热固性树脂件。
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