CN112928508A - Novel high-performance circuit board connector and processing method thereof - Google Patents
Novel high-performance circuit board connector and processing method thereof Download PDFInfo
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- CN112928508A CN112928508A CN202110104960.2A CN202110104960A CN112928508A CN 112928508 A CN112928508 A CN 112928508A CN 202110104960 A CN202110104960 A CN 202110104960A CN 112928508 A CN112928508 A CN 112928508A
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- circuit board
- positioning
- plastic
- positioning hole
- hole
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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
- H01R13/40—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
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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
- H01R13/66—Structural association with built-in electrical component
Abstract
The invention discloses a novel high-performance circuit board connector and a processing method thereof. The cross section of the first positioning hole is larger than that of the second positioning hole, so that a first step structure is formed at the joint of the first positioning hole and the second positioning hole, and the positioning pin is provided with a second step structure clamped with the positioning pin. Therefore, the plastic structural member is accurately positioned by matching the positioning pin on the plastic mould with the positioning hole on the circuit board during processing, the circuit board is effectively prevented from being inclined, the impedance between the high-performance circuit board connector and the board end connector is reduced, the positioning pin is step-shaped, the accurate control of the circuit board in the height direction is ensured, and the high-speed performance of the connector is effectively improved.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a novel high-performance circuit board connector and a processing method thereof.
Background
With the development of communication technology, miniaturization and high speed of connectors are becoming a trend, and along with this, signal processing of products is becoming more and more intensive and faster, so that the size fit, fit tightness and small changes of size and position of a high-performance circuit board connector and a board end connector all affect high-speed signals more and more, and size deviation and fit tightness can cause the reduction of high-speed performance of the connectors. The applicant has found that the current high performance Circuit Board connector has a PCB (Printed Circuit Board) which is prone to skew during the production process and has poor dimensional accuracy. And the high-performance circuit board connector leads to the inclination of a PCB board when being connected with the board end connector due to the problems of assembly tolerance and clearance, and the fit is loose, thereby leading to poor high-speed line signals and reduced high-speed performance of the connector. Therefore, it is desirable to provide a new high performance circuit board connector.
Disclosure of Invention
The present invention is directed to a novel high-performance circuit board connector and a method for manufacturing the same.
The purpose of the invention is realized by the following technical scheme:
the invention provides a novel high-performance circuit board connector which comprises a circuit board and a plastic structural part clamped with the circuit board, wherein a first positioning hole extending along the height direction of the plastic structural part and used for inserting a positioning pin is arranged at the upper part of the plastic structural part, a second positioning hole corresponding to and communicated with the first positioning hole and used for the positioning pin to extend into is arranged on the circuit board, the cross section of the first positioning hole is larger than that of the second positioning hole, so that a first step structure is formed at the joint of the first positioning hole and the second positioning hole, and a second step structure clamped with the first step structure is arranged on the positioning pin.
Preferably, the number of the first positioning holes and the number of the second positioning holes are at least two, and the first positioning holes correspond to the second positioning holes one to one.
Preferably, the plastic structure spare be equipped with along its width direction extend and with circuit board matched with mounting groove, the circuit board stretches into in the mounting groove, in order to with the circuit board with the plastic structure spare joint is in the same place, just the mounting groove with first locating hole is linked together.
Preferably, a third positioning hole is formed in the lower portion of the plastic structural member, the third positioning hole corresponds to and is communicated with the second positioning hole, the positioning pin extends into the third positioning hole, the cross section of the third positioning hole is smaller than or equal to that of the second positioning hole, and the third positioning hole is communicated with the mounting groove.
Preferably, the plastic structural member is symmetrically provided with a raised clamping edge matched with the elastic sheet and used for clamping the elastic sheet and a raised clamping block used for positioning the elastic sheet, and the elastic sheet is provided with a positioning groove matched with the raised clamping block and used for inserting the raised clamping block.
Preferably, the shell fragment includes the edge plastic structure direction of height interval distribution's first support sheet and second support sheet, first support sheet with the first end of second support sheet is connected through the elastic wall, the second end is the free end, the constant head tank sets up on the first support sheet, the both sides of first support sheet still be equipped with the barb that the inner wall on protruding card limit contacted.
Preferably, both sides of first supporting sheet all are equipped with two at least interval distribution the barb.
Preferably, a support clamping edge capable of abutting against the first support sheet is convexly arranged at the second end of the second support sheet.
Preferably, the second end of the second supporting sheet is further provided with a convex pressing sheet protruding out of the surface of the second supporting sheet.
The invention also provides a processing method of the high-performance circuit board connector, wherein the high-performance circuit board connector is the novel high-performance circuit board connector, and the method comprises the following steps:
making a second positioning hole on the circuit board;
taking the second positioning hole as a positioning reference, and making a golden finger and wiring on the circuit board;
the plastic structure part is processed on the circuit board in an injection molding mode and comprises a first injection molding part formed on the circuit board in a first injection molding mode and a second injection molding part formed on the circuit board in a second injection molding mode;
in the first injection molding process, a positioning pin matched with the second positioning hole is manufactured on a plastic mold, the positioning pin is provided with a second step structure, the positioning pin is inserted into the second positioning hole until the second step structure is abutted against the upper end face of the circuit board, and the positioning pin is used as a positioning reference to perform injection molding on the circuit board to manufacture the injection molding part;
in the second injection molding, the positioning pin is manufactured on the secondary plastic mold again, the positioning pin is inserted into the second positioning hole until the second step structure is abutted against the upper end face of the circuit board, and the positioning pin is used as a positioning reference for injection molding of the second injection molding on the circuit board.
According to the technical scheme provided by the invention, the novel high-performance circuit board connector comprises a circuit board and a plastic structural part clamped with the circuit board, wherein one side of the plastic structural part is provided with a first positioning hole which extends along the height direction of the plastic structural part and is used for inserting a positioning pin, the circuit board is provided with a second positioning hole which corresponds to and is communicated with the first positioning hole and into which the positioning pin extends, the cross section of the first positioning hole is larger than that of the second positioning hole, so that a first step structure is formed at the joint of the first positioning hole and the second positioning hole, and the positioning pin is provided with a second step structure clamped with the first step structure. So set up, through the locating hole on the circuit board man-hour, the locating pin on the cooperation plastic mould carries out the accurate positioning to the plastic structure spare, prevent effectively that the circuit board from producing crooked, the impedance between high performance circuit board connector and the board end connector has been reduced, and the locating pin is the step form moreover, guarantees the accurate control of circuit board on the direction of height, improves the high-speed performance of connector effectively, thereby the problem that the PCB board inclines, the cooperation is not hard up when having solved current circuit board connector and being connected with board end connector.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an overall structure of a novel high-performance circuit board connector according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the novel high performance circuit board connector of the present invention with the housing removed;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a first schematic structural view of a positioning hole of a circuit board and a plastic structural member according to an embodiment of the present invention;
FIG. 5 is a second schematic structural view of a positioning hole of a circuit board and a plastic structural member according to an embodiment of the present invention;
FIG. 6 is a partial schematic view of FIG. 5 at A;
FIG. 7 is a view taken along line B in FIG. 5;
FIG. 8 is a cross-sectional view taken at C-C of FIG. 7;
FIG. 9 is a schematic diagram of the connection between the circuit board and a plastic injection molding member according to an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a second injection-molded plastic part according to an embodiment of the present invention;
FIG. 11 is a schematic view of a plastic injection molded article according to an embodiment of the present invention;
FIG. 12 is a first schematic structural diagram of a spring plate according to an embodiment of the present invention;
FIG. 13 is a second schematic structural view of a spring plate according to an embodiment of the present invention;
FIG. 14 is a schematic structural diagram of the elastic sheet in a natural state according to the embodiment of the present invention;
FIG. 15 is a schematic structural diagram of an embodiment of the present invention in an extreme pressing state of the elastic sheet;
fig. 16 is a flow chart illustrating the processing of the circuit board and the plastic structural member according to the embodiment of the present invention.
In fig. 1-16:
1-a circuit board; 11-a second positioning hole; 12-a through hole; 13-a conductive terminal; 2-plastic structural parts; 21-a first positioning hole; 22-mounting grooves; 23-a third positioning hole; 24-protruding clamping edges; 25-a protruding fixture block; 26-convex buckle; 27-an injection molding plastic part; 28-two-shot plastic parts; 29-avoiding holes; 3-a spring plate; 31-a first support sheet; 32-a second support sheet; 33-a flexible wall; 34-convex pressing sheet; 35-positioning grooves; 36-barbs; 37-supporting the clamping edge; 38-a rib; 39-limit bump; 4-a first step structure; 5-a housing; 51-raised card cage; 6-sheath.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the contents of the invention recited in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
In the layout position of the novel high-performance circuit board connector shown in fig. 3, the vertical direction in the drawing is the vertical direction and the height direction, the direction indicated by the hollow arrow in the drawing is the length direction, and the direction indicated by the solid arrow in the drawing is the width direction.
Referring to fig. 1-16, the novel high-performance circuit board connector provided in this embodiment includes a circuit board 1 and a plastic component 2 clamped to the circuit board 1. As shown in fig. 3, the circuit board 1 is a conventional PCB, the plastic structural member 2 is formed integrally with the PCB by injection molding, the plastic structural member 2 includes a plastic injection member 27 and two plastic injection members 28, and the plastic injection member 27 is located inside the two plastic injection members 28. As shown in fig. 5, the upper portion of the plastic component 2 is provided with a first positioning hole 21 extending along the height direction thereof for inserting a positioning pin, and the circuit board 1 is provided with a second positioning hole 11 corresponding to and communicating with the first positioning hole 21 for inserting the positioning pin. As shown in fig. 6, the cross section of the first positioning hole 21 is larger than that of the second positioning hole 11, so that a first step structure 4 is formed at the joint of the first positioning hole 21 and the second positioning hole 11, and the positioning pin on the plastic mold is provided with a second step structure clamped with the first step structure 4, so as to fix and limit the circuit board 1. Generally, the positioning holes are circular holes, and the diameter of the first positioning hole 21 is larger than that of the second positioning hole 11. So set up, carry out the optimization in structure to circuit board and plastic structure, add man-hour through the locating hole on the circuit board, the locating pin on the cooperation plastic mould, carry out the accurate positioning to the plastic structure, prevent effectively that the circuit board from producing crooked, the impedance between high performance circuit board connector and the plate end connector has been reduced, and the locating pin is the step form moreover, guarantee the accurate control of circuit board in the direction of height, the high speed performance of connector has been improved effectively, thereby the problem that the PCB board inclines, the cooperation is not hard up when having solved current circuit board connector and being connected with the plate end connector.
In the present embodiment, there are at least two first positioning holes 21 and at least two second positioning holes 11, and the first positioning holes 21 and the second positioning holes 11 correspond to each other one to one. Optionally, two positioning holes are formed in the circuit board 1 and the plastic structure 2, and the two positioning holes are symmetrically distributed in the length direction. Therefore, the PCB is effectively prevented from being skewed in front, back, left and right, the impedance between the high-performance circuit board connector and the board end connector is reduced, and the high-speed performance of the connector is effectively improved.
As shown in fig. 3, the plastic structural member 2 is provided with a mounting groove 22 extending along the width direction and matching with the circuit board 1, and the mounting groove 22 is located at the center of the plastic structural member 2 and symmetrically divides the plastic structural member 2 into an upper part and a lower part. The circuit board 1 extends into the mounting groove 22, so that the circuit board 1 is clamped in the plastic structural member 2, the connection between the circuit board and the plastic structural member is more compact and reliable, and the mounting groove 22 is communicated with the first positioning hole 21.
Furthermore, the lower portion of the plastic structural member 2 is further provided with a third positioning hole 23 corresponding to and communicating with the second positioning hole 11 for the positioning pin to extend into. As shown in fig. 4, the cross section of the third positioning hole 23 is smaller than or equal to that of the second positioning hole 11, and the third positioning hole 23 communicates with the mounting groove 22. Typically, the positioning holes are circular, and the diameter of the third positioning hole 23 is smaller than or equal to the diameter of the second positioning hole 11. In actual processing, one end of the third positioning hole 23 close to the second positioning hole 11 can be in transition connection through a tapered section, and the design is more reasonable. Like this the locating pin runs through whole plastic structure along direction of height, and the location is more accurate.
In this embodiment, novel high performance circuit board connector still includes the shell fragment 3 with 2 looks joints of plastic structure, and 2 symmetries of plastic structure are provided with and cooperate with shell fragment 3, are used for carrying out the protruding card limit 24 of block and are used for carrying out the protruding fixture block 25 of fixing a position to shell fragment 3, and shell fragment 3 is equipped with and cooperatees with protruding fixture block 25, supplies protruding fixture block 25 male constant head tank 35, and constant head tank 35 is the square groove. Make things convenient for the installation and the dismantlement of shell fragment like this, insert protruding card limit below space with the shell fragment, fix the shell fragment, protruding fixture block inserts the square groove simultaneously, further fixes a position the shell fragment for the cooperation of shell fragment and plastic structure spare is inseparabler, prevents that the shell fragment is not hard up, guarantees the quality of high-speed line signal.
As shown in fig. 12, the elastic sheet 3 includes a first supporting sheet 31 and a second supporting sheet 32 that are distributed at intervals along the height direction of the plastic structural member 2, the first ends of the first supporting sheet 31 and the second supporting sheet 32 are connected through an elastic wall 33, the second ends are free ends, the elastic sheet 3 can be pressed down by pressing the second ends, and the elastic sheet can automatically rebound after removing the external force. The positioning groove 35 is provided on the first support sheet 31, and as shown in fig. 13, the positioning groove 35 is located in the middle of the first support sheet 31. The elastic sheet structure is optimized, the elastic sheet is made into the positioning groove and the single elastic wall, and compared with the existing double-hole and double-elastic-wall structure, the elastic sheet structure has the advantages that the matching between the elastic sheet and the matching surface of the plastic structural member is reduced, the structure is simplified, the processing efficiency is improved, the matching between the elastic sheet and the plastic structural member can be more precise, and the reliability of the elastic sheet is effectively improved. As shown in fig. 8, two sides of the first supporting plate 31 are further provided with barbs 36 contacting with the inner wall of the protruding clamping edge 24, and the barbs 36 protrude from the side edges and can extend into the protruding clamping edge 24 to be hooked therewith, so as to indirectly eliminate the fit clearance between the elastic sheet and the plastic structural member, thereby improving the assembly accuracy of the elastic sheet and the plastic structural member. The barb can play the guide effect during the assembly shell fragment, is favorable to the fixed of shell fragment, has improved high performance circuit board connector and board end connector complex stability, prevents that the connector from improving the high speed performance effectively at the influence of the shake that the operation in-process produced to the high speed performance.
Further, both sides of the first supporting sheet 31 are provided with at least two barbs 36 distributed at intervals. Optionally, every side sets up two barbs 36, forms two barb structures in both sides limit, and two barb plug structures have a fine guide function when assembling the plastic structure with the shell fragment, can prevent effectively that the shell fragment is crooked.
As shown in fig. 7, the second end of the second supporting piece 32 is further provided with a protruding pressing piece 34 protruding from the surface thereof, so as to facilitate pressing down of the resilient piece. In addition, the convex pressing piece 34 is further provided with a convex rib 38, which can play a role of anti-slip.
In a preferred embodiment of the present invention, the second end of the second supporting plate 32 is convexly provided with a supporting clamping edge 37 capable of abutting against the first supporting plate 31. As shown in fig. 14, the spring plate is in a natural state and is not pressed. As shown in fig. 15, after the elastic sheet exceeds the pressing range during the pressing process, the supporting clip edge 37 contacts and abuts against the first supporting sheet 31 to support the elastic sheet, so as to prevent the second supporting sheet 32 from moving downwards continuously, and prevent the elastic sheet from further deforming, thereby effectively preventing the elastic sheet from being collapsed during the limit pressing process. So set up, support the card limit and do bearing structure at the shell fragment tail end, carry out the limit when pressing down the in-process and carry out spacingly to the shell fragment, be favorable to preventing that the shell fragment from collapsing on the high performance circuit board connector causes the influence of the shake of high performance circuit board connector in the board end connector to the high speed performance, improve the high speed performance of connector effectively.
As an alternative embodiment, the circuit board 1 is further provided with a through hole 12 extending in the height direction thereof for the inflow of the glue. Like this when moulding plastics, during the sizing material gets into the through-hole, be convenient for fully fuse the connection, the plastic structure spare is connected inseparabler with the circuit board after the shaping, reinforcing joint strength, and overall structure is more reliable and stable, prevents the two separation. In addition, as shown in fig. 1, the left end of the circuit board 1 is further provided with a shell 5, which can protect and fix the golden finger, and is convenient for being connected with an external electric device. The two sides of the plastic structural member 2 are provided with protruding buckles 26 which are clamped with corresponding clamping grooves on the shell 5, so that the plastic structural member and the shell are reliably connected. The upper end surface of the shell 5 is also provided with a convex clamping cover 51 into which the bullet-feeding sheet 3 extends. The elastic sheet 3 is provided with a limiting bulge 39 extending from a clamping hole on the bulge clamping cover 51 so as to be clamped and fixed with an external electric device. The right end of the circuit board 1 is provided with a plurality of conductive terminals 13, and the conductive terminals 13 are externally provided with sheaths 6 which play a role in restraining and protecting the conductive terminals. As shown in fig. 10 and 11, the first plastic injection member 27 and the second plastic injection member 28 are correspondingly provided with a relief hole 29 for each conductive terminal 13 to protrude from, and fit with, the conductive terminal 13. The novel high performance circuit board connector that this embodiment provided adopts the mode of doing the locating hole on the circuit board, can the position of accurate positioning golden finger and plastic structure to and carry out the optimal design with the structure of shell fragment, be favorable to the assembly of shell fragment and prevent the pine of shell fragment and take off, can also prevent that the shell fragment from pressing the risk of collapsing of process at the limit, thereby improve the reliability that high performance circuit board connector and onboard connector are connected, improve high performance circuit board connector's high speed performance effectively.
This embodiment also provides a method for processing a high-performance circuit board connector, where the high-performance circuit board connector is a novel high-performance circuit board connector as described above, and the method includes:
a second positioning hole 11 is formed in the circuit board 1, and the second positioning hole 11 is a circular through hole extending in the height direction;
with the second positioning hole 11 as a positioning reference, making a golden finger and wiring on the circuit board 1 to complete the processing and manufacturing of the circuit board 1;
the plastic structural part 2 is injection-molded on the circuit board 1, and the plastic structural part 2 comprises a first injection-molded plastic part 27 formed by the first injection-molding process on the circuit board 1 and a second injection-molded plastic part 28 formed by the second injection-molding process on the circuit board 1;
in the first injection molding, a positioning pin matched with the second positioning hole 11 is manufactured on a primary plastic mold, the positioning pin is provided with a second step structure, the positioning pin is inserted into the second positioning hole 11 until the second step structure is abutted against the upper end face of the circuit board 1, and an injection molding piece 27 is injection molded on the circuit board 1 by taking the positioning pin as a positioning reference;
in the second injection molding process, the positioning pin is manufactured on the secondary plastic mold again, the positioning pin is inserted into the second positioning hole 11 until the second step structure abuts against the upper end face of the circuit board 1, and the second injection molding plastic part is injection molded on the circuit board 1 by taking the positioning pin as a positioning reference.
In actual processing, the circuit board 1 is a common PCB. As shown in fig. 16, firstly, a second positioning hole 11 is formed in the PCB, then, the second positioning hole 11 is used for performing accurate positioning, and a gold finger and wiring are formed on the PCB, so that the PCB is manufactured; then, performing first injection molding on the PCB, manufacturing a positioning pin matched with the second positioning hole 11 on a first plastic mold, and then accurately positioning the second positioning hole 11 of the PCB through the positioning pin, so that accurate positioning of a first injection molding part 27 and the PCB is ensured, wherein the positioning pin on the first injection molding mold is step-shaped, so that accurate control of the PCB in the height direction is ensured, the PCB and the plastic structural part 2 are ensured to be the same standard through the above modes, and fig. 9 is a state schematic diagram after the first injection molding is completed; when the second injection molding is performed, the positioning pins are also manufactured on the secondary plastic mold, then the second positioning holes 11 of the PCB are accurately positioned through the positioning pins, so that the accurate positioning of the second injection molding plastic part 28 and the PCB is ensured, the positioning pins on the secondary injection mold are step-shaped, the accurate control of the PCB in the height direction is ensured, the PCB and the plastic structural part 2 are ensured to be the same standard through the above modes, and fig. 2 is a state schematic diagram after the second injection molding is completed. In addition, the gold fingers are made on the PCB and the first injection molding is carried out on the PCB, and the sequence of the two steps can be exchanged and can also be carried out simultaneously. So set up, based on above locate mode, use second locating hole 11 on the PCB board as the product location core, the golden finger, the plastic structure all fixes a position through this locating hole, this locating hole finally can the accurate positioning circuit board golden finger with the position of plastic structure, the processing equipment of circuit board and plastic structure has been accomplished, it is accurate positioning to the PCB board to have guaranteed, with position tolerance control to 0.08 millimeter's scope, thereby avoid the high performance circuit board connector to appear the slope when being connected with the board end connector the PCB board, the not hard up problem of cooperation, effectively improve the high speed performance of connector. The derivation process of the beneficial effect is substantially similar to that of the novel high-performance circuit board connector, and therefore, the description is omitted here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a novel high performance circuit board connector, its characterized in that, including circuit board (1) and with plastic structure spare (2) of circuit board (1) looks joint, the upper portion of plastic structure spare (2) is equipped with along its direction of height extension, is used for first locating hole (21) of cartridge locating pin, circuit board (1) be equipped with first locating hole (21) correspond and communicate, supply second locating hole (11) that the locating pin stretches into, just the cross section of first locating hole (21) is greater than the cross section of second locating hole (11) so that first locating hole (21) with handing-over department of second locating hole (11) forms first stair structure (4), the locating pin be equipped with the second stair structure of first stair structure (4) looks joint.
2. A new high-performance circuit board connector according to claim 1, wherein there are at least two first positioning holes (21) and at least two second positioning holes (11), and the first positioning holes (21) and the second positioning holes (11) are in one-to-one correspondence.
3. A novel high-performance circuit board connector as claimed in claim 1, wherein the plastic structure member (2) is provided with a mounting groove (22) extending along the width direction thereof and matching with the circuit board (1), the circuit board (1) extends into the mounting groove (22) to clamp the circuit board (1) and the plastic structure member (2) together, and the mounting groove (22) is communicated with the first positioning hole (21).
4. A novel high-performance circuit board connector as claimed in claim 3, wherein the lower portion of the plastic structural member (2) is provided with a third positioning hole (23) corresponding to and communicating with the second positioning hole (11) for the positioning pin to extend into, the cross section of the third positioning hole (23) is smaller than or equal to the cross section of the second positioning hole (11), and the third positioning hole (23) is communicated with the mounting groove (22).
5. The novel high-performance circuit board connector according to claim 1, further comprising a spring plate (3) clamped with the plastic structural member (2), wherein the plastic structural member (2) is symmetrically provided with a protruding clamping edge (24) matched with the spring plate (3) and used for clamping the spring plate (3) and a protruding clamping block (25) used for positioning the spring plate (3), and the spring plate (3) is provided with a positioning groove (35) matched with the protruding clamping block (25) and used for inserting the protruding clamping block (25).
6. The novel high-performance circuit board connector of claim 5, wherein the elastic sheet (3) comprises a first supporting sheet (31) and a second supporting sheet (32) which are distributed at intervals along the height direction of the plastic structural member (2), the first ends of the first supporting sheet (31) and the second supporting sheet (32) are connected through an elastic wall (33), the second ends of the first supporting sheet and the second supporting sheet are free ends, the positioning groove (35) is arranged on the first supporting sheet (31), and barbs (36) which are in contact with the inner wall of the protruding clamping edge (24) are further arranged on two sides of the first supporting sheet (31).
7. A new high-performance circuit board connector as claimed in claim 6, characterized in that said first supporting sheet (31) is provided on both sides with at least two spaced barbs (36).
8. The connector of claim 6, wherein the second end of the second support piece (32) is provided with a protruding support edge (37) capable of abutting against the first support piece (31).
9. The connector of claim 6, wherein the second end of the second support piece (32) is further provided with a raised pressing piece (34) protruding from the surface thereof.
10. A method of manufacturing a high-performance circuit board connector according to any one of claims 1 to 9, comprising:
a second positioning hole (11) is formed in the circuit board (1);
taking the second positioning hole (11) as a positioning reference, and making a golden finger and wiring on the circuit board (1);
the plastic structure component (2) is injection-molded on the circuit board (1), and the plastic structure component (2) comprises a first injection-molded plastic part (27) formed by the first injection-molding process on the circuit board (1) and a second injection-molded plastic part (28) formed by the second injection-molding process on the circuit board (1);
in the first injection molding process, a positioning pin matched with the second positioning hole (11) is manufactured on a primary plastic mold, the positioning pin is provided with a second step structure, the positioning pin is inserted into the second positioning hole (11) until the second step structure is abutted against the upper end face of the circuit board (1), and the positioning pin is used as a positioning reference to perform injection molding on the circuit board (1) to manufacture the first injection molding part (27);
in the processing of moulding plastics of the second time, make again on secondary plastic mould the locating pin will the locating pin inserts in second locating hole (11), until second stair structure with circuit board (1) up end offsets, with the locating pin is the location benchmark injection moulding is in on circuit board (1) two penetrate plastic part (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110104960.2A CN112928508A (en) | 2021-01-26 | 2021-01-26 | Novel high-performance circuit board connector and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110104960.2A CN112928508A (en) | 2021-01-26 | 2021-01-26 | Novel high-performance circuit board connector and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112928508A true CN112928508A (en) | 2021-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110104960.2A Pending CN112928508A (en) | 2021-01-26 | 2021-01-26 | Novel high-performance circuit board connector and processing method thereof |
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| CN203574938U (en) * | 2013-10-24 | 2014-04-30 | 安费诺电子装配（厦门）有限公司 | PCB with goldfingers and connector for transmission line |
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| CN106025673A (en) * | 2016-07-15 | 2016-10-12 | 安费诺电子装配（厦门）有限公司 | High-speed and high-density cable connector for two layers of PCBs and production method thereof |
| CN206471646U (en) * | 2017-01-18 | 2017-09-05 | 凡甲电子(苏州)有限公司 | Micro coaxial cable connector assembly |
| CN207303530U (en) * | 2017-08-11 | 2018-05-01 | 安费诺电子装配（厦门）有限公司 | Translation solution lock connector with pulling-on piece |
| CN109103635A (en) * | 2018-08-31 | 2018-12-28 | 浙江兆龙互连科技股份有限公司 | A kind of straight wiring connector out of small size |
| CN109411918A (en) * | 2018-07-25 | 2019-03-01 | 安费诺电子装配（厦门）有限公司 | A kind of no ground wire ultra high speed signal wire and cable connector and its assemble method |
| CN209896367U (en) * | 2019-04-26 | 2020-01-03 | 东莞金信诺电子有限公司 | SAS plug assembly with improved structure |
| CN112054323A (en) * | 2020-09-15 | 2020-12-08 | 安费诺电子装配（厦门）有限公司 | Cable connector |
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| CN203574938U (en) * | 2013-10-24 | 2014-04-30 | 安费诺电子装配（厦门）有限公司 | PCB with goldfingers and connector for transmission line |
| CN205319400U (en) * | 2016-01-08 | 2016-06-15 | 安费诺电子装配（厦门）有限公司 | Wire terminal connector |
| CN106025673A (en) * | 2016-07-15 | 2016-10-12 | 安费诺电子装配（厦门）有限公司 | High-speed and high-density cable connector for two layers of PCBs and production method thereof |
| CN206471646U (en) * | 2017-01-18 | 2017-09-05 | 凡甲电子(苏州)有限公司 | Micro coaxial cable connector assembly |
| CN207303530U (en) * | 2017-08-11 | 2018-05-01 | 安费诺电子装配（厦门）有限公司 | Translation solution lock connector with pulling-on piece |
| CN109411918A (en) * | 2018-07-25 | 2019-03-01 | 安费诺电子装配（厦门）有限公司 | A kind of no ground wire ultra high speed signal wire and cable connector and its assemble method |
| CN109103635A (en) * | 2018-08-31 | 2018-12-28 | 浙江兆龙互连科技股份有限公司 | A kind of straight wiring connector out of small size |
| CN209896367U (en) * | 2019-04-26 | 2020-01-03 | 东莞金信诺电子有限公司 | SAS plug assembly with improved structure |
| CN112054323A (en) * | 2020-09-15 | 2020-12-08 | 安费诺电子装配（厦门）有限公司 | Cable connector |
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Application publication date: 20210608 |
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