CN110247214B - Electrical connector - Google Patents
Electrical connector Download PDFInfo
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- CN110247214B CN110247214B CN201910396186.XA CN201910396186A CN110247214B CN 110247214 B CN110247214 B CN 110247214B CN 201910396186 A CN201910396186 A CN 201910396186A CN 110247214 B CN110247214 B CN 110247214B
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- Prior art keywords
- extending
- electrical connector
- contact
- upwards
- conductor
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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
- 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
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
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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
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/74—Devices having four or more poles, e.g. holders for compact fluorescent lamps
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses an electrical connector for conducting with a chip module having a plurality of conductors, comprising: a body, which is provided with a plurality of accommodating holes which penetrate through the body up and down, and each accommodating hole is provided with a stop block; the plurality of terminals are correspondingly accommodated in the plurality of accommodating holes, each terminal is provided with a main body part accommodated in the corresponding accommodating hole, an elastic arm is formed by bending and extending the main body part, a bent part is formed by bending and extending the elastic arm, a flat contact part is formed by extending the bent part, a resisting part is formed by extending the contact part, the stopping block stops the resisting part along a first direction perpendicular to the vertical direction so as to form a prepressing structure, the plate edge of the contact part is provided with a guide surface and a butting surface connected with the guide surface, the guide surface is positioned above the butting surface, the guide surface is used for guiding the conductor to be inserted downwards, the butting surface butts against the conductor along the first direction, the resisting part moves along a second direction opposite to the first direction, and the butting surface can be ensured to be stably connected with the corresponding conductor in a butting mode.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector, and more particularly, to an electrical connector for electrically connecting a chip module.
[ background of the invention ]
PGA electrical connectors are widely used in the field of computers, and are mainly used to electrically connect two electronic components separated from each other, so as to transmit data and signals between the two electronic components. A PGA socket for electrically connecting a chip module to a circuit board includes an insulative housing and a plurality of conductive terminals received in the insulative housing.
The conductive terminal comprises a base part, two contact arms and two clamping arms, wherein the two contact arms are formed by bending the left side and the right side of the base part forwards and upwards, the two clamping arms are formed by bending the left side and the right side of the lower end of the base part forwards and extending, the two clamping arms clamp a solder ball together so as to weld the conductive terminal to the circuit board through the solder ball, the tail ends of the two contact arms are provided with two contact parts which are close to each other, and the two contact parts are used for downwards inserting and connecting pins of the chip module. However, since the conductive terminal clamps the corresponding pin only by the elastic force of the two contact arms, the two contact arms are easy to loose due to insufficient clamping force on the pin, thereby affecting stable conduction between the conductive terminal and the pin.
Therefore, there is a need for an improved electrical connector that overcomes the above problems.
[ summary of the invention ]
The invention aims to provide an electric connector capable of keeping stable connection with a conductor of a chip module.
In order to achieve the purpose, the invention adopts the following technical means:
an electrical connector for interfacing with a chip module having a plurality of conductors, comprising: the body is provided with a plurality of accommodating holes which penetrate through the body up and down, and each accommodating hole is provided with a stop block; the plurality of terminals are correspondingly accommodated in the plurality of accommodating holes, each terminal is provided with a main body part accommodated in the corresponding accommodating hole, an elastic arm is formed by bending and extending the main body part, a bent part is formed by bending and extending the elastic arm, a flat contact part is formed by extending the bent part, a resisting part is formed by extending the contact part, the stopping block stops the resisting part along a first direction perpendicular to the vertical direction so as to form a prepressing structure, the plate edge of the contact part is provided with a guide surface and an abutting surface connected with the guide surface, the guide surface is positioned above the abutting surface, the guide surface is used for guiding the conductor to be downwards inserted, the abutting surface abuts against the conductor along the first direction, and the resisting part moves along a second direction opposite to the first direction.
Further, the guide surface forms a projection area at the lower end of the corresponding contact part, and at least one part of the resisting part is connected with the projection area.
Furthermore, the accommodating hole penetrates through the upper surface of the body upwards, the contact part is positioned below the upper surface of the body, and the stop block is positioned below the contact part to stop the corresponding contact part from moving downwards.
Further, the plate surface of the resisting part and the plate surface of the contact part are positioned on the same plane.
Furthermore, the elastic arm is formed by bending and extending upwards from the main body part and towards the second direction, the bending part is formed by bending and extending from the elastic arm towards the first direction, and the contact part is formed by extending from the bending part towards the first direction.
Further, the elastic arm includes certainly main part is upwards just court the second direction is buckled and is extended a first arm that forms and certainly the vertical second arm that upwards extends the formation in upper end of first arm, each the accepting hole is equipped with a groove of stepping down, the groove of stepping down upwards runs through the upper surface of body and not running through downwards the lower surface of body, the conductor butt corresponds the butt surface makes the second arm is followed the second direction removes and gets into the correspondence the groove of stepping down.
Furthermore, the main body part comprises a base part and an extending part formed by bending and extending the base part forwards, the elastic arm is formed by bending and extending the upper end of the extending part, each terminal further comprises a fixing part formed by respectively protruding and extending two opposite sides of the base part and a limiting part formed by extending the upper end of the base part upwards, the extending part is connected between the fixing part and the limiting part and corresponds to the base part, and the fixing part and the limiting part are both fixed on the body.
An electrical connector for interfacing with a chip module having a plurality of conductors, comprising: the body is provided with a plurality of accommodating holes, and each accommodating hole is provided with a stop block; a plurality of terminals correspondingly accommodated in the accommodating holes, each terminal having a flat base portion, an extending portion formed by bending and extending forward from one of the left and right sides of the base portion, an elastic arm formed by bending and extending upward from the upper end of the extending portion and toward one of the left and right sides thereof, each terminal further having a flat contact portion, a bent portion connecting the elastic arm and the contact portion, and a stopper portion formed by extending from the contact portion, the stopper block stopping the stopper portion in a left-right direction to form a pre-pressing structure, the contact portion being located at one of the front and rear sides of the elastic arm, and a plate edge of the contact portion having a guide surface and an abutting surface connected to the guide surface, the guide surface being located above the abutting surface, the guide surface being used for guiding the conductor to be inserted downward, the abutting surface abuts against the conductor in the left-right direction, and the abutting portion moves in the direction opposite to the stopping direction of the stop block.
Further, the guide surface forms a projection area at the lower end of the corresponding contact part, and at least one part of the resisting part is connected with the projection area.
Furthermore, the accommodating hole penetrates through the upper surface of the body upwards, the contact part is positioned below the upper surface of the body, and the stop block is positioned below the contact part to stop the corresponding contact part from moving downwards.
Further, the plate surface of the resisting part and the plate surface of the contact part are positioned on the same plane.
Further, the abutting portion and the abutting surface are located on both left and right sides of a vertical center line of the base portion in the left-right direction.
Furthermore, the extension part comprises a first part formed by bending and extending forwards from the base part and a second part formed by extending upwards from the upper end of the first part, the second part is arranged at a distance from the corresponding base part, and the elastic arm is formed by bending and extending upwards from the upper end of the second part and relative to the plate surface of the second part.
Further, the elastic arm includes certainly the upper end of extension upwards buckles to extend a first arm that forms and certainly the vertical second arm that upwards extends the formation in upper end of first arm, each the accepting hole is equipped with a groove of stepping down, the groove of stepping down upwards runs through the upper surface of body and not running through downwards the lower surface of body, the conductor butt corresponds the butt surface makes the second arm is followed left right direction removes and gets into the correspondence the groove of stepping down.
Further, the contact portion is closer to the base portion than the elastic arm in a front-rear direction.
Furthermore, the inner wall surface of the accommodating hole is provided with a butting surface which is arranged at a distance from the stop block in the left-right direction, the inner wall surface of the accommodating hole is provided with a guide inclined surface above the butting surface for guiding the conductor to be inserted downwards, and the conductor is positioned between the butting surface and is butted against the corresponding butting surface and the corresponding butting surface.
Furthermore, each terminal is also provided with a fixing part formed by respectively protruding from the left side and the right side of the base part, the left side and the right side of each accommodating hole are respectively concavely provided with a fixing groove, the fixing grooves penetrate through the lower surface of the body downwards, each fixing part is in interference fit with the corresponding fixing groove, and the surface of the contact part is parallel to the surface of the fixing part.
Furthermore, each terminal is also provided with a fixing part formed by protruding from the left side and the right side of the base part respectively, the fixing part is fixed on the body, and the extending part and the upper end of one of the fixing parts are torn and formed.
Furthermore, each terminal is further provided with a limiting part which is formed by extending upwards from the upper end of the base part, the width of the limiting part in the left-right direction is larger than that of the base part in the left-right direction, each accommodating hole is provided with a limiting groove, the corresponding limiting part is accommodated in each limiting groove, and each limiting groove is provided with a limiting surface which is positioned above the corresponding limiting part so as to limit the corresponding limiting part to move upwards.
Furthermore, the limiting surface is flush with the bottom surface of the stop block.
Compared with the prior art, the invention has the following beneficial effects:
the abutting part extends from the contact part, the stop block stops the abutting part to ensure that the contact part can be positioned at a preset correct position, the contact part is in a flat plate shape and has better rigidity, so that the contact part is not easy to deform, the guide surface is convenient for guiding the conductor to be inserted downwards, the abutting surface abuts against the corresponding conductor, the stop block stops the abutting part to form the pre-pressing structure, the conductor needs to overcome the acting force of the abutting part on the stop block to enable the abutting part to move relative to the stop block, and therefore the pre-pressing structure ensures that the abutting surface has stronger acting force when abutting against the corresponding conductor, and stable guiding connection between the abutting surface and the corresponding conductor is ensured.
[ description of the drawings ]
FIG. 1 is a perspective view of the electrical connector of the present invention;
fig. 2 is a perspective view of the terminal of fig. 1;
fig. 3 is a perspective view of the terminal of fig. 2 after being horizontally rotated 90 ° counterclockwise;
fig. 4 is a top view of the terminal of fig. 2;
FIG. 5 is a schematic view of the terminal and the body of FIG. 1 before and after assembly;
FIG. 6 is a front view of the electrical connector of FIG. 1 prior to being electrically connected to a chip module and a circuit board;
FIG. 7 is a schematic view of the electrical connector of FIG. 6 after being electrically connected to the chip module and the circuit board;
fig. 8 is a partial top view of the electrical connector of fig. 1 shown before and after being electrically connected to a chip module.
Detailed description of the embodiments reference is made to the accompanying drawings in which:
receiving hole 13 on upper surface 11 and lower surface 12 of main body 1 of electrical connector 100
The first inner wall surface 131, the inclined guide surface 1311, the abutting surface 1312, and the stop block 133 of the second inner wall surface 132
The guiding surface 271 of the contact part 27 of the bent part 26 of the second arm 252 abuts against the surface 272
Vertical center line L of projection region Z of solder 3 pre-pressing structure P of resisting part 28
[ detailed description ] embodiments
For a better understanding of the objects, structure, features, and functions of the invention, reference should be made to the drawings and detailed description that follow.
As shown in FIG. 1, the present invention first defines the X-axis as the front-back direction, the Y-axis as the left-right direction, and the Z-axis as the up-down direction. In addition, the present invention further defines the leftward direction as a first direction and the rightward direction as a second direction.
Referring to fig. 1 and 7, an electrical connector 100 for electrically connecting a chip module 200 to a circuit board 300 is disclosed. The electrical connector 100 includes a body 1 and a plurality of terminals 2 received in the body 1.
As shown in fig. 6, the chip module 200 includes a substrate 4 and a plurality of conductors 5 formed by extending downward relative to the substrate 4, wherein the conductors 5 are cylindrical. In other embodiments, the conductor 5 may also be spherical or other shape.
As shown in fig. 1 and 6, the body 1 is made of an insulating material, and the body 1 includes an upper surface 11 and a lower surface 12 opposite to each other in a vertical direction, and a plurality of receiving holes 13 vertically penetrating through the upper surface 11 and the lower surface 12.
As shown in fig. 1 and fig. 6, each of the receiving holes 13 has a first inner wall surface 131 and a second inner wall surface 132 opposite to each other, the first inner wall surface 131 is located on the left side of the second inner wall surface 132, an upper end of the first inner wall surface 131 has a guiding inclined surface 1311 and a supporting surface 1312 connected below the guiding inclined surface 1311, and the guiding inclined surface 1311 is connected to the upper surface 11.
As shown in fig. 1, 5 and 6, each of the receiving holes 13 further includes a stop block 133, an avoiding groove 134, two fixing grooves 135 and a limiting groove 136.
As shown in fig. 1, 6 and 8, the stopper 133 is rectangular, the stopper 133 extends forward from the rear side of the receiving hole 13 and is not connected to the front side of the corresponding receiving hole 14, the stopper 133 is located between the first inner wall surface 131 and the second inner wall surface 132 in the Y-axis direction and is spaced apart from the first inner wall surface 131 and the second inner wall surface 132, the stopper 133 is parallel to the first inner wall surface 131 and the second inner wall surface 132, and the stopper 133 is located between the upper surface 11 and the lower surface 12 and is adjacent to the upper surface 11.
As shown in fig. 1, 6 and 8, the receding groove 134 is formed by recessing the second inner wall surface 132 to the right, the receding groove 134 penetrates through the upper surface 11 upwards and does not penetrate through the lower surface 12 downwards, and the bottom surface of the receding groove 134 is flush with the bottom surface of the stopper 133.
As shown in fig. 5, the two fixing slots 135 are formed to be upwardly recessed from the left and right sides of the receiving hole 13, and the fixing slots 135 penetrate the lower surface 12 downward and do not penetrate the upper surface 11 upward.
As shown in fig. 1 and 5, the limiting groove 136 is located above the two fixing grooves 135, the limiting groove 136 is located between the two fixing grooves 135 in the Y-axis direction, the limiting groove 136 does not upwardly penetrate through the upper surface 11 to form a limiting surface 1361, the limiting surface 1361 is flush with the bottom surface of the stop block 133, and the limiting surface 1361 horizontally extends forward to the bottom surface of the stop block 133, so that when the limiting groove 136 and the stop block 133 are formed, the bottom surfaces of the limiting surface 1361 and the stop block 133 can be simultaneously formed only by using a mold core of the same mold, and the mold core of the mold has better structural strength.
As shown in fig. 1, 2 and 5, the plurality of terminals 2 are correspondingly accommodated in the plurality of accommodating holes 13, and the terminals 2 are formed by stamping a metal plate and are assembled in the corresponding accommodating holes 13 from bottom to top.
As shown in fig. 2, fig. 3 and fig. 4, each of the terminals 2 includes a main body 21, two fixing portions 22, a limiting portion 23, two clamping portions 24, an elastic arm 25, a bending portion 26, a contact portion 27 and an abutting portion 28.
As shown in fig. 2, 4 and 6, the main body portions 21 are accommodated in the corresponding accommodating holes 13, each main body portion 21 includes a base portion 211 having a vertical flat plate shape and an extending portion 212 formed by bending and extending forward from the base portion 211, and a plate surface of the extending portion 212 is perpendicular to a plate surface of the base portion 211. Each of the extending portions 212 includes a first portion 2121 bent and extended forward from a left side of the base portion 211 and a second portion 2122 vertically extended upward from an upper end of the first portion 2121, and the second portion 2122 is spaced apart from the corresponding base portion 211 along the X-axis. In other embodiments, the first portion 2121 may also be formed by bending and extending forward from the right side of the base 211.
As shown in fig. 3 and 5, the two fixing portions 22 are formed by protruding from the left and right sides of the base portion 211, the fixing portions 22 are located on the same plane as the corresponding base portion 211, the fixing portions 22 are accommodated in the corresponding fixing grooves 135 and are in interference fit with the corresponding fixing grooves 135, and the first portion 2121 is formed by tearing the upper end of the fixing portion 22 located on the left side of the base portion 211.
As shown in fig. 2, 3 and 5, the limiting portion 23 extends upward from the upper end of the base portion 211, the limiting portion 23 and the base portion 211 are located on the same plane, the width of the limiting portion 23 in the Y-axis direction is greater than the width of the base portion 211 in the Y-axis direction, the limiting portion 23 is accommodated in the limiting groove 136 and is in interference fit with the corresponding limiting groove 136, the limiting surface 1361 is located above the limiting portion 23 to limit the corresponding limiting portion 23 from moving upward, and the first portion 2121 is connected to the corresponding base portion 211 between the fixing portion 22 and the limiting portion 23.
As shown in fig. 3, 6 and 7, the two clamping portions 24 are formed by bending and extending forward from the left and right sides of the lower end of the base portion 211, respectively, the two clamping portions 24 are located below the lower surface 12, the two clamping portions 24 of the same terminal 2 clamp a solder 3 together and are soldered to the circuit board 300 through the solder 3, and the solder 3 is a solder ball.
As shown in fig. 2, 3 and 4, the elastic arm 25 is formed by bending and extending upward from the upper end of the second portion 2122 and relative to the plate surface of the second portion 2122, and the plate surface of the elastic arm 25 is perpendicular to the plate surface of the base 211. Each of the elastic arms 25 includes a first arm 251 formed by bending and extending upward and rightward from the upper end of the second portion 2122 and a second arm 252 formed by extending vertically and upward from the upper end of the first arm 251, the width of the first arm 251 in the extending direction thereof is gradually reduced to ensure that the elastic arm 25 has sufficient elasticity, the plate surface of the second arm 252 is parallel to the plate surface of the second portion 2122, and the second arm 252 is spaced apart from the corresponding offset groove 134 (see fig. 6 for assistance). In other embodiments, the first arm 251 may also be bent and extended upward and leftward from the upper end of the second portion 2122.
As shown in fig. 2 and 4, the bent portion 26 is formed in an arc shape and bent and extended to the left from the rear side of the second arm 252, and the bent portion 26 is located below the upper surface 12, so that the height of the terminal 2 is reduced. In other embodiments, the bent portion 26 may also be formed by extending from the front side of the second arm 252 to the left bend.
As shown in fig. 2, 4 and 6, the contact portion 27 is formed in a vertical flat plate shape and extends leftward from the left side of the bent portion 26, and the contact portion 27 is formed by blanking, so that the rigidity of the contact portion 27 is high, the plate surface of the contact portion 27 is parallel to the plate surface of the base portion 211, and the contact portion 27 is closer to the base portion 211 than the elastic arm 25 in the X-axis direction. The contact portion 27 is located below the upper surface 11, the height of the terminal 2 is reduced, the stop block 133 is located below the contact portion 27 to stop the downward movement of the contact portion 27, and the projection of the contact portion 27 in the Z-axis direction is located between the projections of the two corresponding clamping portions 24 in the Z-axis direction.
As shown in fig. 2, 4 and 6, the plate edge of each contact portion 27 has a guiding surface 271 and an abutting surface 272 connected to the guiding surface 271, the guiding surface 271 is disposed at the upper end of the corresponding contact portion 27, the abutting surface 272 is disposed at the left side of the corresponding contact portion 27, the guiding surface 271 is located above the abutting surface 272, and the guiding surface 271 forms a projection area Z at the lower end of the corresponding contact portion 27.
As shown in fig. 2, 5, and 6, the abutting portion 28 extends downward from the lower end of the contact portion 27, the abutting portion 28 is formed by blanking on the plate surface where the contact portion 27 is located, so as to ensure the accurate size of the abutting portion 28, the plate surface of the abutting portion 28 and the plate surface of the contact portion 27 are located on the same plane, a part of the upper end of the abutting portion 28 is connected to the projection region Z, the stop block 133 is located on the left side of the abutting portion 28, the abutting portion 28 moves leftward to form a pre-pressing structure P, and the abutting portion 28 and the abutting surface 272 are located on the left and right sides of the vertical center line L of the base 211 in the Y-axis direction. In other embodiments, the upper end of the blocking portion 28 may be connected to the corresponding projection area Z entirely.
As shown in fig. 6, 7 and 8, the guiding surface 271 and the guiding inclined surface 1311 are used for guiding the corresponding conductor 5 to be inserted into the corresponding receiving hole 13, the conductor 5 is located between the abutting surface 272 and the abutting surface 1312 and abuts against the corresponding abutting surface 272 and the corresponding abutting surface 1312, the abutting portion 28 moves to the right and is not in contact with the corresponding stop block 133, and the second arm 252 moves to the right and enters the corresponding relief groove 134. The abutting surface 272 is disposed at the corresponding plate edge of the contact portion 27, so that the abutting surface 272 can scrape to remove an oxide layer covering the surface of the corresponding conductor 5, thereby ensuring better conduction performance between the abutting surface 272 and the corresponding conductor 5. Meanwhile, the receding groove 134 ensures that sufficient deformation space exists in the process that the second arm 252 moves rightwards, and the conductor 5 can be smoothly inserted downwards into the corresponding terminal 2.
In summary, the electrical connector of the present invention has the following advantages:
(1) the stopping portion 28 is formed to extend from the contact portion 27, and the stop block 133 stops the stopping portion 28, so that the contact portion 27 can be located at a predetermined correct position, the contact portion 27 has a flat plate shape so as to have a good rigidity and not to be easily deformed, the guide surface 271 facilitates guiding the downward insertion of the conductor 5, the contact surface 272 contacts the corresponding conductor 5, since the stopper 133 stops the abutting portion 28 to form the pre-pressing structure P, the conductor 5 needs to overcome the force of the stopping block 133 applied by the stopping part 28 to move the stopping part 28 relative to the stopping block 133, the pre-stressing structure P thus ensures that the abutment surface 272 has a strong force when abutting the corresponding conductor 5, thereby ensuring a stable contact between said abutment surface 272 and the corresponding said conductor 5.
(2) The conductor 5 is positioned between the contact surface 272 and the abutting surface 1312 and abuts against the corresponding contact surface 272 and the corresponding abutting surface 1312, the contact surface 272 and the abutting surface 1312 simultaneously position the corresponding conductor 5 in the Y-axis direction, so that the conductor 5 can be accurately inserted into the corresponding contact surface 272, the conductor 5 abuts against the corresponding abutting surface 1312, the abutting surface 1312 indirectly receives the acting force of the contact surface 272 on the conductor 5, and the conductor 5 is prevented from being extruded and distorted by the corresponding contact part 27.
(3) The direction of the bending and extending of the elastic arm 25 is opposite to the direction of the movement of the stopping part 28 corresponding to the stopping of the stop block 133, so that the elastic arm 25 has better structural stability.
(4) The fixing portion 22 and the limiting portion 23 are both in interference fit with the corresponding receiving hole 13, the limiting surface 1361 is located above the limiting portion 23 to limit the corresponding limiting portion 23 to move upwards, and the stop block 133 is located below the contact portion 27 to stop the corresponding contact portion 27 from moving downwards, so that the terminal 2 can be kept at a predetermined position of the body 1 all the time in the process of conducting connection with the corresponding conductor 5.
(5) The extension portion 212 and the clamping portion 24 are formed by bending and extending the base portion 211 forward, the elastic arm 25 is formed by bending and extending the upper end of the extension portion 212 upward, and the contact portion 27 is closer to the base portion 211 than the elastic arm 25 in the X-axis direction, so that the structure of the terminal 2 is more compact, the occupied space of the terminal 2 is reduced, and the arrangement of more terminals 2 on the body 1 is facilitated to improve the transmission capability of the electrical connector 100.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all technical changes that can be made by applying the present specification and drawings are included in the scope of the present invention.
Claims (20)
1. An electrical connector for interfacing with a chip module having a plurality of conductors, comprising:
the body is provided with a plurality of accommodating holes which penetrate through the body up and down, and each accommodating hole is provided with a stop block;
the plurality of terminals are correspondingly accommodated in the plurality of accommodating holes, each terminal is provided with a main body part accommodated in the corresponding accommodating hole, an elastic arm is formed by bending and extending the main body part upwards and rightwards, a bent part is formed by bending and extending the elastic arm leftwards, a flat contact part is formed by extending the bent part, a resisting part is formed by extending the contact part, the stop block is positioned on the left side of the resisting part and used for stopping the resisting part from moving leftwards so as to form a pre-pressing structure, the plate edge of the contact part is provided with a guide surface and an abutting surface connected with the guide surface, the guide surface is positioned above the abutting surface, the guide surface is used for guiding the conductor to be inserted downwards, the abutting surface abuts against the conductor leftwards, and the resisting part moves rightwards.
2. The electrical connector of claim 1, wherein: the guide surface forms a projection area at the lower end of the corresponding contact part, and at least one part of the resisting part is connected with the projection area.
3. The electrical connector of claim 1, wherein: the accommodating hole penetrates through the upper surface of the body upwards, the contact part is positioned below the upper surface of the body, and the stop block is positioned below the contact part to stop the corresponding contact part from moving downwards.
4. The electrical connector of claim 3, wherein: the plate surface of the resisting part and the plate surface of the contact part are positioned on the same plane.
5. The electrical connector of claim 1, wherein: the contact part extends leftwards from the bending part.
6. The electrical connector of claim 1, wherein: the elastic arm includes certainly main part is upwards just buckles right and extends a first arm that forms and certainly the vertical second arm that upwards extends the formation in upper end of first arm, each the accepting hole is equipped with a groove of stepping down, the groove of stepping down upwards runs through the upper surface of body and not running through downwards the lower surface of body, the conductor butt corresponds the butt face makes the second arm moves right and gets into the correspondence the groove of stepping down.
7. The electrical connector of claim 1, wherein: the main body part comprises a base part and an extending part formed by bending and extending the base part forwards, the elastic arm is formed by bending and extending the upper end of the extending part, each terminal further comprises a fixing part formed by protruding and extending the two opposite sides of the base part respectively and a limiting part formed by extending the upper end of the base part upwards, the extending part is connected between the fixing part and the limiting part and corresponds to the base part, and the fixing part and the limiting part are fixed on the body.
8. An electrical connector for interfacing with a chip module having a plurality of conductors, comprising:
the body is provided with a plurality of accommodating holes, and each accommodating hole is provided with a stop block;
a plurality of terminals correspondingly accommodated in the accommodating holes, each terminal having a flat base portion, an extending portion formed by bending and extending forward from one of the left and right sides of the base portion, an elastic arm formed by bending and extending upward from the upper end of the extending portion and toward one of the left and right sides thereof, each terminal further having a flat contact portion, a bent portion connecting the elastic arm and the contact portion, and a stopper portion formed by extending from the contact portion, the stopper block stopping the stopper portion in a left-right direction to form a pre-pressing structure, the contact portion being located at one of the front and rear sides of the elastic arm, and a plate edge of the contact portion having a guide surface and an abutting surface connected to the guide surface, the guide surface being located above the abutting surface, the guide surface being used for guiding the conductor to be inserted downward, the abutting surface abuts against the conductor in the left-right direction, and the abutting portion moves in the direction opposite to the stopping direction of the stop block.
9. The electrical connector of claim 8, wherein: the guide surface forms a projection area at the lower end of the corresponding contact part, and at least one part of the resisting part is connected with the projection area.
10. The electrical connector of claim 8, wherein: the accommodating hole penetrates through the upper surface of the body upwards, the contact part is positioned below the upper surface of the body, and the stop block is positioned below the contact part to stop the corresponding contact part from moving downwards.
11. The electrical connector of claim 10, wherein: the plate surface of the resisting part and the plate surface of the contact part are positioned on the same plane.
12. The electrical connector of claim 8, wherein: the abutting portion and the abutting surface are located on the left and right sides of a vertical center line of the base portion in the left-right direction.
13. The electrical connector of claim 8, wherein: the extension part comprises a first part formed by bending and extending the base part forwards and a second part formed by extending the upper end of the first part upwards, the second part is arranged at a distance from the corresponding base part, and the elastic arm is formed by bending and extending the upper end of the second part upwards and relative to the plate surface of the second part.
14. The electrical connector of claim 8, wherein: the elastic arm includes certainly the upper end of extension upwards buckles to extend a first arm that forms and certainly the vertical second arm that upwards extends the formation in upper end of first arm, each the accepting hole is equipped with a groove of stepping down, the groove of stepping down upwards runs through the upper surface of body and not running through downwards the lower surface of body, the conductor butt corresponds the butt face makes the second arm is followed left right direction removes and gets into and corresponds the groove of stepping down.
15. The electrical connector of claim 8, wherein: the contact portion is closer to the base portion than the elastic arm in a front-rear direction.
16. The electrical connector of claim 8, wherein: the accommodating hole is provided with an inner wall surface and the stop block which are arranged at intervals in the left-right direction, the upper end of the inner wall surface is provided with a guide inclined surface for guiding the conductor to be inserted downwards, and the conductor is positioned between the abutting surface and the inner wall surface and abuts against the corresponding abutting surface and the corresponding inner wall surface.
17. The electrical connector of claim 8, wherein: each terminal is further provided with a fixing part formed by protruding from the left side and the right side of the base part respectively, the left side and the right side of each accommodating hole are respectively concavely provided with a fixing groove, the fixing grooves penetrate through the lower surface of the body downwards, each fixing part is in interference fit with the corresponding fixing groove, and the surface of the contact part is parallel to the surface of the fixing part.
18. The electrical connector of claim 8, wherein: each terminal is also provided with a fixing part formed by protruding from the left side and the right side of the base part respectively, the fixing part is fixed on the body, and the extending part and the upper end of one of the fixing parts are torn and formed.
19. The electrical connector of claim 8, wherein: each terminal is further provided with a limiting part formed by upwards extending from the upper end of the base part, the width of the limiting part in the left-right direction is larger than that of the base part in the left-right direction, each accommodating hole is provided with a limiting groove, the corresponding limiting part is accommodated in each limiting groove, and each limiting groove is provided with a limiting surface which is positioned above the corresponding limiting part so as to limit the corresponding limiting part to upwards move.
20. The electrical connector of claim 19, wherein: the limiting surface is parallel and level to the bottom surface of the stop block.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862683822P | 2018-06-12 | 2018-06-12 | |
| US62/683,822 | 2018-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110247214A CN110247214A (en) | 2019-09-17 |
| CN110247214B true CN110247214B (en) | 2020-09-29 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910396186.XA Active CN110247214B (en) | 2018-06-12 | 2019-05-14 | Electrical connector |
| CN201910426147.XA Active CN110277673B (en) | 2018-06-12 | 2019-05-21 | Electrical connector |
| CN201910495819.2A Active CN110277674B (en) | 2018-06-12 | 2019-06-10 | Electrical connector |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910426147.XA Active CN110277673B (en) | 2018-06-12 | 2019-05-21 | Electrical connector |
| CN201910495819.2A Active CN110277674B (en) | 2018-06-12 | 2019-06-10 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN110247214B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111262079B (en) * | 2020-01-22 | 2021-06-18 | 番禺得意精密电子工业有限公司 | Electrical connector |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4713014B2 (en) * | 2001-05-16 | 2011-06-29 | モレックス インコーポレイテド | BGA connector |
| CN201178235Y (en) * | 2008-02-18 | 2009-01-07 | 上海莫仕连接器有限公司 | Electric connector |
| CN201199561Y (en) * | 2008-04-28 | 2009-02-25 | 番禺得意精密电子工业有限公司 | Electric connector |
| US7771209B2 (en) * | 2008-09-08 | 2010-08-10 | Lotes Co., Ltd | Electrical connecting apparatus |
| CN201440496U (en) * | 2009-04-24 | 2010-04-21 | 东莞市奕东电子有限公司 | Improved connecting piece terminal |
| CN201570750U (en) * | 2009-05-15 | 2010-09-01 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN201570752U (en) * | 2009-07-03 | 2010-09-01 | 番禺得意精密电子工业有限公司 | Electric connector and terminal thereof |
| CN101997190B (en) * | 2009-08-14 | 2014-05-07 | 富士康(昆山)电脑接插件有限公司 | Electric connecting device |
| CN201838746U (en) * | 2010-02-03 | 2011-05-18 | 番禺得意精密电子工业有限公司 | Electric connector |
| US8118603B2 (en) * | 2010-03-11 | 2012-02-21 | Lotes Co., Ltd. | Electrical connector |
| CN201781096U (en) * | 2010-08-24 | 2011-03-30 | 番禺得意精密电子工业有限公司 | Electric connector terminal |
| CN201994449U (en) * | 2010-10-22 | 2011-09-28 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN202142669U (en) * | 2010-12-30 | 2012-02-08 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202308413U (en) * | 2011-10-19 | 2012-07-04 | 番禺得意精密电子工业有限公司 | Electric connector |
| CN103579799B (en) * | 2012-08-09 | 2017-03-08 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202817260U (en) * | 2012-08-16 | 2013-03-20 | 番禺得意精密电子工业有限公司 | Electric connector and terminals thereof |
| CN202855964U (en) * | 2012-09-26 | 2013-04-03 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN206532914U (en) * | 2017-01-20 | 2017-09-29 | 番禺得意精密电子工业有限公司 | Electric connector |
-
2019
- 2019-05-14 CN CN201910396186.XA patent/CN110247214B/en active Active
- 2019-05-21 CN CN201910426147.XA patent/CN110277673B/en active Active
- 2019-06-10 CN CN201910495819.2A patent/CN110277674B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110247214A (en) | 2019-09-17 |
| CN110277673A (en) | 2019-09-24 |
| CN110277673B (en) | 2020-12-22 |
| CN110277674A (en) | 2019-09-24 |
| CN110277674B (en) | 2020-12-22 |
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