CN109256643B - High-speed connector module - Google Patents
High-speed connector module Download PDFInfo
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- CN109256643B CN109256643B CN201811320697.5A CN201811320697A CN109256643B CN 109256643 B CN109256643 B CN 109256643B CN 201811320697 A CN201811320697 A CN 201811320697A CN 109256643 B CN109256643 B CN 109256643B
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- 238000001746 injection moulding Methods 0.000 claims abstract description 38
- 239000012212 insulator Substances 0.000 claims abstract description 17
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- 210000001503 joint Anatomy 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 10
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- 238000004663 powder metallurgy Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 51
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- 230000013011 mating Effects 0.000 description 35
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/006—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle
Abstract
The design discloses a high-speed connector module, including at least a connector assembly, the connector assembly is including insulator and direct or indirect a plurality of terminals of fixing in the insulator, the insulator rear end position of connector assembly has set firmly back pedestal, still be formed with the injection molding between back pedestal and the insulator, injection molding and back pedestal are integrative fixed for connector assembly overall structure stability is better.
Description
Technical Field
The embodiment of the application relates to the field of communication transmission, in particular to a high-speed connector module.
Background
Prior art QSFP (Quad Small Form-factor Pluggable), SFP (Small Form-factor Pluggable) modules are provided with a receptacle connector comprising an insulator and two rows of terminals housed within the insulator.
On month 21 of 2017, 02, taiwan patent No. TW M537332U discloses a connector system having a first housing and a second housing. The first shell comprises two high-frequency contact modules and a low-frequency contact module positioned in the middle of the two high-frequency contact modules, wherein each contact module comprises a plurality of contacts. The first shell and the second shell are sleeved with a box body at the periphery, and the box body is used for grounding shielding effect. The high-frequency contact module is correspondingly connected to a circuit substrate through a cable, and the low-frequency contact module is directly connected to the circuit substrate.
With the development of the QSFP connector, the transmission speed of the contacts is continuously improved, and requirements on shielding performance, high-frequency characteristics, characteristic impedance, anti-crosstalk performance and the like between the contacts are also higher and higher, and requirements on an assembly process and overall stability of the connector are also higher and higher. The existing structure has not been satisfactory in the above characteristics.
In view of this, there is a need to design a new high-speed connector module to meet the development requirements.
Disclosure of Invention
The purpose of this design is to provide a high-speed connector module, high-speed electric connector subassembly overall structure stability is good.
In order to achieve the above object, the present design provides a high-speed connector module, which comprises at least one connector assembly, wherein the connector assembly comprises an insulation body and a plurality of terminals directly or indirectly fixed in the insulation body, a rear seat body is fixedly arranged at the rear end position of the insulation body of the connector assembly, an injection molding piece is further formed between the rear seat body and the insulation body, the injection molding piece and the rear seat body are integrally fixed;
the plurality of terminals include ground terminals;
The rear seat body comprises a main body plate covering the rear end of the insulating body and an upper side plate formed by extending the upper side edge of the main body plate forwards, and the upper side plate is attached to the upper surface of the insulating body;
The injection molding piece comprises a filling piece clamped between the main body plate and the rear end face of the insulating body through integral injection molding;
The limiting part is formed by extending the lower side edge of the main body plate forwards; the abdication groove is formed on the limit part, penetrates through the limit part along the up-down direction and forwards penetrates through the limit part to form an opening shape; a fixed groove is formed at the rear end of the insulating body corresponding to the limit position, and the limit part is inserted into the fixed groove;
the grounding piece is implanted in the insulating body and is electrically communicated with the grounding terminal, and the grounding piece comprises a part protruding out of the insulating body and correspondingly embedded into the yielding groove to realize limit and electrical communication with the rear seat body. .
Further, in the up-down direction or the left-right direction, the insulating body and the rear seat body are at least partially overlapped, an inward concave matching groove is formed at a part position of the insulating body, which is overlapped with the rear seat body, a corresponding groove is formed at a position of the rear seat body, which corresponds to the matching groove, in an inward concave manner, and a fixing convex part for filling the matching groove and the corresponding groove is formed by extending the injection molding part.
Further, the outer peripheral surface of the fixing protrusion has a stepped structure. The mating groove is formed in a generally dovetail groove structure that tapers from front to back and opens to the rear end face.
Further, the rear seat body is a metal piece with electric conduction performance, which is manufactured through powder metallurgy.
Further, the corresponding groove is of a through hole-shaped structure penetrating through the rear seat body.
Further, the insulator includes the portion of inserting to being located the front end and is located the installation department of inserting the portion rear end to inserting, form the grafting space that is used for pegging graft a pair of butt joint connector in the middle of inserting the portion and form the interface in the front end, the cross sectional profile of installation department along the perpendicular to fore-and-aft direction is greater than to inserting the portion, the upper plate of back pedestal covers to the upper surface of inserting the portion, spacing portion is equipped with two, and two spacing portions are located the left and right sides position of main part board downside reason respectively, the fixed slot is the recess structure that upwards caves in the formation by insulator lower surface rear end position, the fixed slot runs through insulator's rear end face backward.
Further, the terminals include a set of non-high-speed terminal sets and two sets of high-speed terminal sets located at the left and right sides of the set of non-high-speed terminal sets, the non-high-speed terminal sets and the high-speed terminal sets each include a plurality of terminals arranged in two rows along the up-down direction, the rear ends of the terminals in the high-speed terminal sets are connected with the cables, the terminals in the non-high-speed terminal sets protrude downwards from the lower surface of the connector assembly and form terminal butt joint parts, and the terminal butt joint parts are in direct contact with one butt joint connection.
Further, the high-speed connector module further comprises a metal cover at least partially covering the periphery of the connector assembly, wherein the metal cover is provided with a butting space extending in the front-rear direction and forms an interface at the front end, and the connector assembly is fixed with the rear end of the metal cover.
Compared with the prior art, the embodiment of the application has the following beneficial effects: this design high-speed connector module is through integrative fixed with insulator, backseat body and injection molding for connector assembly overall structure stability is better.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate application embodiments of the application and together with the description serve to explain the embodiments of the application and do not constitute an undue limitation on the embodiments of the application, in which:
FIG. 1 is a schematic diagram of a high-speed connector module of the present design assembled to a circuit board, which specifically illustrates four high-speed connector modules respectively mounted on two opposite surfaces of a circuit board;
FIG. 2 is a partially exploded perspective view of the present design of the high speed connector module, showing in particular a perspective view of two connector assemblies in combination with corresponding metal shields, while showing a perspective view of the heat dissipating module separated from the metal shields;
FIG. 3 is a schematic perspective view from another angle of the two connector assemblies shown in FIG. 2 in combination with corresponding metal shields;
FIG. 4 is a schematic perspective view of the high-speed connector module of FIG. 3 after the metal chassis is separated from the connector assembly;
FIG. 5 is a partially exploded perspective view of the present design of the high speed connector module, showing in particular a schematic perspective view of two connector assemblies separated from corresponding metal shields, further showing an exploded perspective view of the metal shields;
FIG. 6 is a perspective view of the high speed connector module of FIG. 5 from another perspective;
FIG. 7 is a partially exploded perspective view of the connector assembly of the present design high speed connector module showing the injection molded part separated from the connector assembly;
FIG. 8 is a schematic perspective view of the connector assembly of FIG. 7 from another perspective;
FIG. 9 is a partially exploded perspective view of the connector assembly of the present design high speed connector module showing the injection molded part, rear housing, and the connector assembly separated from each other;
FIG. 10 is a schematic perspective view of the connector assembly of FIG. 9 from another perspective;
FIG. 11 is a partially exploded perspective view of the connector assembly of the present design high speed connector module with the injection molding and rear housing removed, showing in particular a perspective view of two high speed terminal modules, one non-high speed terminal module and the metal piece separated from the housing;
FIG. 12 is a further exploded perspective view of the connector assembly of FIG. 11;
FIG. 13 is a rear view of a connector assembly of the present design high speed connector module;
FIG. 14 is a rear view of the connector assembly of the present design high speed connector module with the injection molding, rear housing, insulator and inner module removed;
FIG. 15 is a partially exploded perspective view of the connector assembly of the present design high speed connector module with the injection molding, rear housing, insulator and inner modules removed, showing in particular a schematic view of a cable separated from the corresponding terminals;
FIG. 16 is a side view of the connector assembly of the present design high speed connector module with the injection molded part, rear housing, insulator body and inner modules removed;
FIG. 17 is a cross-sectional view taken along line A-A of FIG. 1, particularly illustrating the positional mating relationship of the terminal mating portions of the non-high speed terminal modules with the mating pins on the corresponding circuit substrate;
FIG. 18 is an enlarged view of a portion of the structure shown in FIG. 17, particularly an enlarged view of the structure within the dashed circle;
Fig. 19 is a top view of two adjacently disposed connector assemblies of the present design high-speed connector module, with emphasis on the arrangement of the terminal mating portions of the non-high-speed terminal module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be further noted that, in order to avoid obscuring the present application due to unnecessary details, only structures and/or processing steps closely related to some embodiments of the present application are shown in the drawings, while other details not greatly related to some embodiments of the present application are omitted.
In addition, it should be further noted that the terms "comprises," "comprising," "has," "having," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
For the sake of accuracy, reference is made herein to fig. 1 for all references to directions, wherein the extending direction of the X-axis is the left-right direction (where the positive direction of the X-axis is the right), the extending direction of the Y-axis is the front-back direction (where the positive direction of the Y-axis is the back), and the extending direction of the Z-axis is the up-down direction (where the positive direction of the Z-axis is the up). For convenience of description, the vertical, horizontal, front-rear directions in the present application are relative positions, and are not limited to implementation.
Referring to fig. 1 to 19, the present design discloses a high-speed connector module 100, which includes a connector assembly 1, a metal cover 2 covering the periphery of the connector assembly 1, a metal bottom plate 3 covering the lower surface of the connector assembly 1, and a heat dissipation module 4 assembled on the metal cover 2. In this design, the high-speed connector module 100 includes two connector assemblies 1 disposed in parallel along the left-right direction, the two connector assemblies 1 share a metal cover 2 (see fig. 3 to 5), and the metal cover 2 is partitioned into two corresponding spaces. Of course, in other embodiments, only one connector assembly 1 may be provided in the high-speed connector module 100, and the size of the metal cover 2 may be adapted to be changed correspondingly, and only one space may be formed correspondingly.
Referring to fig. 6 to 12, in the present design, the connector assembly 1 is actually a socket connector, and includes an insulation body 10, a first terminal module 11, a second terminal module 12, a third terminal module 13, a rear seat 14 at the rear end of the insulation body 10, an injection molding member 15, and a grounding member 114. The first terminal module 11, the second terminal module 12 and the third terminal module 13 are fixed to the insulating body 10 by assembling. In the left-right direction, the third terminal module 13 is located between the first terminal module 11 and the second terminal module 12. The rear seat 14 is made of metal material, and in this design, is specifically made by a powder metallurgy process. The injection molding 15 is formed of a hot-melt insulating material by injection molding.
Referring to fig. 6 to 12, the insulating body 10 is formed by injection molding of a hot-melt insulating material, and includes a substantially rectangular tubular insertion portion 101 at a front end thereof and a mounting portion 102 at a rear end of the insertion portion 101. The mating portion 101 has a mating space (not shown) formed therebetween for receiving a mating connector (not shown) and a mating interface 1010 formed at a front end thereof. The mounting portion 102 has a larger cross-sectional profile in a direction perpendicular to the front-rear direction than the insertion portion 101. A fitting space 1021 is formed in the middle of the mounting portion 102. The front end of the matching space 1021 is communicated with the plugging space, and the rear end of the matching space 1021 penetrates through the rear end face of the mounting part 102. A relief port 1022 is formed on the lower surface of the mounting portion 102 near the rear end, and the relief port 1022 is communicated with the mating space 1021. The mounting portion 102 has a mating groove 1022 formed in a downward depression in the upper surface thereof at the rear end position, and the mating groove 1022 is formed in a generally dovetail shape which is tapered from front to rear and which is open toward the rear end surface.
Referring to fig. 6 to 10, the rear seat 14 includes a plate-shaped main body plate 141, an upper side plate 142 formed by extending forward horizontally from an upper edge of a front end surface of the main body plate 141, and two limiting portions 143 formed by extending forward from a lower edge of the front end surface of the main body plate 141. The two limiting portions 143 are located at left and right sides of the lower edge of the main body plate 141. The upper side plate 142 has a corresponding groove 1421 formed therethrough in the vertical direction at a position corresponding to the mating groove 1022. In this design, the cross section of the corresponding groove 1421 along the plane perpendicular to the up-down direction is larger than the cross section of the mating groove 1022, and the peripheral contour positions of the corresponding groove 1421 and the mating groove 1022 form a step-like structure (see fig. 7). The limiting part 143 is correspondingly fixed to the rear end of the insulating body 10 in a limiting manner, and is specifically matched with a fixing groove 1023 (refer to fig. 10) formed at a position corresponding to the rear end of the insulating body 10 in a limiting manner. Each of the limiting portions 143 is formed with a relief groove 1431 penetrating in the up-down direction, and the relief groove 1431 penetrates the limiting portion 143 toward the front end. The main body plate 141 is formed with eight cable holes 1411 (see fig. 10) penetrating the cables 5 in the front-rear direction. The grounding member 114 is partially embedded in the relief groove 1431 to limit and overlap the rear seat 14 (specifically, a portion of the connecting plate 1142 of the grounding member 114 described below extends into the relief groove 1431).
In this design, the rear housing 14 is assembled and fixed with the insulating body 10 from the rear to the front, the upper side plate 142 covers the upper surface of the mounting portion 102, a fit gap 1422 is formed between the rear housing 14 and the insulating body 10 (the fit gap 1422 is specifically formed between an inner mold and the main body plate 141 described below), and the fit gap 1422 is communicated with the fit groove 1022 and the corresponding groove 1421. The injection molding member 15 is formed by injection molding of hot melt plastic in the fit gap 1422, the fit groove 1022 and the corresponding groove 1421, and the injection molding member 15 includes a fixing protrusion 151 (see fig. 8) filling the fit groove 1022 and the corresponding groove 1421 and having a stepped outer peripheral surface. The injection molding 15 is used to tightly bond the rear housing 14 to the insulating body 10. The step-shaped structure design formed by the corresponding groove 1421 and the matching groove 1022 and the dovetail structure design of the matching groove 1022 are all designed to tightly combine the insulating body 10, the rear seat 14 and the injection molding 15.
Referring to fig. 11 to 16, the first terminal module 11 and the second terminal module 12 have substantially the same structure. Taking the first terminal module 11 as an example, the first terminal module 11 includes a conductive plate 111 having a substantially plate shape and having conductive properties, an upper grounding plate 1121 and a lower grounding plate 1122 attached to the upper and lower surfaces of the conductive plate 111, an upper high-speed terminal assembly 1131 attached to the upper surface of the upper grounding plate 1121, a lower high-speed terminal assembly 1132 attached to the lower surface of the lower grounding plate 1122, and a grounding member 114 sandwiched between the rear ends of the upper grounding plate 1121 and the lower grounding plate 1122. In this design, the conductive plate 111 is formed of conductive plastic.
The upper high-speed terminal assembly 1131 includes seven upper high-speed terminals 1151 arranged in a row, an upper insulating member 1161 integrally fixed to the middle position of the upper high-speed terminals 1151 by injection molding, a cable 5 connected to the rear ends of the upper high-speed terminals 1151, and an upper inner mold 1171 integrally fixed to the rear ends of the upper high-speed terminals 1151 by injection molding. The lower high-speed terminal assembly 1132 includes seven lower high-speed terminals 1152 arranged in a row, a lower insulating member 1162 integrally fixed to the middle position of the lower high-speed terminals 1152 by injection molding, a cable 5 connected to the rear ends of the lower high-speed terminals 1152, and a lower inner mold 1172 integrally fixed to the rear ends of the lower high-speed terminals 1152 by injection molding.
Referring to fig. 15 in combination with fig. 11 and 12, the upper high-speed terminals 1151 and the lower high-speed terminals 1152 of the first terminal module 11 are arranged in a staggered manner in the left-right direction, and the upper high-speed terminals 1151 of the first terminal module 11 are biased to the side where the insulating portion is located. The upper high-speed terminals 1151 and the lower high-speed terminals 1152 are arranged in a one-to-one offset manner in the left-right direction. The row of upper high-speed terminals 1151 and the row of lower high-speed terminals 1152 each include two pairs of high-speed differential terminals a and three ground terminals B spaced apart from each high-speed differential terminal pair. Each of the upper high-speed terminal 1151 and the lower high-speed terminal 1152 includes a terminal fixing portion 1101 fixed in the corresponding insulating member 1161, 1162, a terminal contact portion 1102 protruding from the front end of the terminal fixing portion 1101 out of the corresponding insulating member 1161, 1162 and protruding into the plugging space, and a terminal abutting portion 1103 protruding from the rear end of the terminal fixing portion 1101 out of the corresponding insulating member 1161, 1162.
Referring to fig. 15 in combination with fig. 12, in the present design, the upper high-speed terminals 1151 and the lower high-speed terminals 1152 in the same row are each formed by punching and bending a single metal plate (formed by bending a metal plate in the plate thickness direction in the up-down direction). The terminal abutting portions 1103 of the upper high-speed terminal 1151 and the lower high-speed terminal 1152 in the same row are all arranged in a horizontal direction, and the extending length of the terminal abutting portion 1103 of the ground terminal B of the upper high-speed terminal 1151 in the same row and the lower high-speed terminal 1152 in the same row in the front-rear direction is not less than the length of the terminal abutting portion 1103 of the high-speed differential terminal a, so that each pair of high-speed differential terminals a can be isolated and shielded by the ground terminal B on the left and right sides of the whole length, and the connector assembly 1 has better high-frequency characteristics and stronger crosstalk resistance. The rear ends of the terminal abutting portions 1103 of the ground terminals B of the upper high-speed terminals 1151 or the lower high-speed terminals 1152 in the same row are respectively bent toward the side of the conductive plate 111 and extend rearward to form a bridging plate 1104 integrally connecting the three ground terminals B. One side surface of the bridging plate 1104 is exposed to the corresponding inner mold 1171, 1172 (see fig. 12) and is overlapped with the corresponding grounding plate 1121, 1122 to realize common ground. Of course, in other embodiments, the bridging plates 1104 of the grounding terminals B may be designed to be independent of each other.
In this design, each terminal in the first terminal module 11 and the second terminal module 12 is connected to the corresponding cable 5, specifically, the terminal abutting portion 1103 of each high-speed differential terminal a is welded and fixed to the signal line of the cable 5, and the terminal abutting portion 1103 of each ground terminal B is welded and fixed to the ground line of the cable 5. It should be noted that, in the connector assembly 1 of the high-speed connector module 100 in the present design, the spacing between the terminal fixing portion 1101 of each upper high-speed terminal 1151 and the terminal fixing portion 1101 of each lower high-speed terminal 1152 in the same high-speed terminal modules 11 and 12 is required to be a specific value, and the bending manner of the bridging plate 1104 in the present design can enable the corresponding cable 5 to be carried on the surface of the bridging plate 1104 under the condition that the spacing between the terminal fixing portions 1101 of the upper and lower terminals is ensured to be minimum, so that the partial thickness of the cable 5 can be absorbed by borrowing, and the overall thickness of the connector assembly 1 in the up-down direction can be reduced as much as possible. The bent shape of the bridging plate 1104 facilitates designing the high-speed differential terminal a such that both sides of the full length in the front-rear direction are shielded at intervals by the ground terminal B (that is, the high-speed differential terminal a overlaps the ground terminal B in the left-right direction over the full length). Thus, the grounding shielding effect is better.
Referring to fig. 10 to 16, the upper grounding plate 1121 and the lower grounding plate 1122 have the same shape, and are formed by punching and bending a metal plate, and include a flat plate-shaped main body 1001, a plurality of elastic contact pins 1002 formed by punching and bending the front end of the main body 1001, and an elastic end plate 1003 formed by bending the rear end edge of the main body 1001 back to the side of the conductive plate 111. The elastic contact pins 1002 are bent and extended from the main body sheet 1001 to a side away from the conductive plate 111, and have an elastic cantilever structure. In this design, three rows of elastic contact pins 1002 are disposed on the grounding plates 1121, 1122, wherein each row of elastic contact pins 1002 is provided with three spaced in the front-rear direction, and each row of elastic contact pins 1002 is correspondingly and elastically contacted with the grounding terminal B for grounding effect. The plurality and the plurality of rows of the elastic contact pins 1002 are designed to ensure the contact stability with each ground terminal B, and simultaneously ensure that different portions of each ground terminal B are in a zero potential state.
Referring to fig. 12, 15 and 16, in the present design, in the first terminal module 11 and the second terminal module 12, in the up-down direction, the grounding plates 1121, 1122 are disposed in the regions between the upper row of high-speed terminals 1151 or the lower row of high-speed terminals 1152 except for the terminal contact portion 1102 (that is, the extending areas of the grounding plates 1121, 1122 exceed the regions between the corresponding row of high-speed terminals 1151 or the lower row of high-speed terminals 1152 except for the terminal contact portion 1102). This can provide the ground plates 1121, 1122 with a shielding function, thereby further improving the high frequency characteristics.
In this design, only one grounding plate 1121, 1122 may be disposed in the first terminal module 11 and/or the second terminal module 12, in this embodiment, one grounding plate 1121, 1122 is bent to two sides to form a plurality of elastic contact pins 1002, which correspondingly contact with the grounding terminals B in the upper high-speed terminal 1151 and the lower high-speed terminal 1152 to achieve a grounding effect. In other embodiments the conductive plate 111 structure may even be eliminated. Only one grounding tab 1121, 1122 is required to make contact with the grounding terminal B in the corresponding upper and lower high-speed terminals 1151, 1152 to achieve a grounding effect.
Referring to fig. 10 to 16, the grounding member 114 is made of a metal plate and has a substantially L-shape. Comprises a contact plate 1141 which is clamped between the elastic end piece 1003 of the upper grounding piece 1121 and the elastic end piece 1003 of the lower grounding piece 1122, and a connecting plate 1142 which is connected with the contact plate 1141 and is formed by extending downwards along one side of the left-right direction. The connecting plate 1142 further extends downward to form a socket 1143. In this design, the pins 1143 extend downward from the entire connector assembly 1 through two sides of the lower surface of the insulating body 10 for mating with the mating circuit board 6.
In this design, the first terminal module 11 and the second terminal module 12 have substantially the same structure, and the detailed structure of the second terminal module 12 is not described again, as shown in fig. 11 to 14.
Referring to fig. 10 to 16, the third terminal module 13 includes five third terminal assemblies 131, and each third terminal assembly 131 includes an insulating sheet 1311 and two non-high-speed terminals 130 fixed in the insulating sheet 1311 by injection molding. Each of the non-high-speed terminals 130 is formed by blanking a metal plate (that is, each of the non-high-speed terminals 130 is formed by punching a metal plate in a plate thickness direction in a left-right direction). Each non-high-speed terminal 130 has a substantially L-shape and includes a terminal fixing portion 1301 embedded in the insulating sheet body 1311, a cantilever-shaped terminal contact portion 1302 formed by extending forward from the front end of the terminal fixing portion 1301, and a terminal abutting portion 1303 connected to the rear end of the terminal fixing portion 1301 and extending downward beyond the insulating sheet body 1311. The terminal mating portion 1303 is configured to be correspondingly inserted into a mating pin 61 of the mating circuit board 6, where the terminal mating portion 1303 is preferably a fisheye pin structure (i.e., a fisheye terminal structure with an oval through hole in the middle), and the mating pin 61 of the mating circuit board is a through hole structure with a gold finger. Of course, in other embodiments, the terminal mating portion 1303 may be designed in other forms, and it is only required to meet the requirement that the structures on both sides of the terminal mating portion 1303 can be elastically deformed toward the middle, that is, the terminal mating portion 1303 can be effectively contacted with the inner wall of the mating pin 61 when being inserted into the mating pin 61 of the circuit board 6.
Referring to fig. 12 to 19, in the present design, the five third terminal assemblies 131 are stacked in the left-right direction (specifically, formed by stacking and limiting the five insulating sheets 1311). The ten non-high-speed terminals 130 are arranged in two rows in the up-down direction. The terminal contact portions 1302 of the ten non-high-speed terminals 130 are respectively arranged in a staggered manner (refer to fig. 19), and specifically, the terminal contact portions are formed by bending the terminal fixing ends 1301 of the upper five non-high-speed terminals 130 or the lower five non-high-speed terminals 130 by a step (not shown) along the left-right direction. The two terminal abutments 1303 of the one third terminal assembly 131 are aligned in the front-rear direction. The terminal contact portion 1302 is located at a rear position of the terminal abutting portion 1303 of the upper row of five non-high-speed terminals 130, and the terminal contact portion 1302 is located at a rear position of the terminal abutting portion 1303 of the lower row of five non-high-speed terminals 130.
Please refer to fig. 17 to 19. The terminal abutting parts 1303 of the upper five non-high-speed terminals 130 and the lower five non-high-speed terminals 130 are arranged in five rows in the left-right direction, one terminal of the upper five non-high-speed terminals 130 and the lower five non-high-speed terminals 130 located in the middle in the left-right direction is a power terminal C, and the terminal abutting parts 1303 of four terminals of the upper five non-high-speed terminals 130 and the lower five non-high-speed terminals 130 except the power terminal C are arranged in four rows in the front-back direction.
When the two high-speed connector modules 100 in the present design are assembled to the mating circuit board 6 in a plugging manner along the upper and lower surfaces of the mating circuit board 6, only the terminal mating portions 1303 of the two opposite power terminals C of the non-high-speed terminals 130 of each high-speed connector module 100 share the mating pins 61 of the mating circuit board 6, and the terminal mating portions 1303 of the non-high-speed terminals 130 other than the power terminals C do not share the mating pins 61. The design can simplify the structural design of the butt joint pins 61 of the butt joint circuit board, can realize the functions only by the common circuit board, and does not need to specially process the butt joint pins 61 (the special process refers to the disconnection process of the golden fingers on the upper surface and the lower surface of the same butt joint pins 61) because the butt joint pins 61 are shared by the terminal butt joint parts 1303 of other non-high-speed terminals 130 except the power supply terminal C. Thus, the cost input of the butt joint circuit board can be saved. The power terminals C can be connected in series, and the power terminals C do not need to make special treatment on the docking pins 61 when sharing the docking pins 61. The design also makes the wiring of the butt joint circuit board 6 simpler and more reasonable. In this design, the ground terminals B are grounded and form a loop with the power supply terminal C in the non-high speed terminal 130.
Referring to fig. 11 to 16, the five insulating sheets 1311 of the third terminal module 13 are assembled and stacked in the left-right direction to form an insulating portion (not numbered). The terminal contact portions 1102, 1302 of the upper and lower rows of terminals of the high-speed connector module 100 in the present design are respectively arranged in a staggered manner along the left-right direction, and the small pitch between the terminals of the high-speed connector module 100 is matched with the small pitch between the terminals of the high-speed connector module 100, so that the space between the partial high-speed terminals 1151, 1152 and the insulating portion of the third terminal module 13 is very small. Therefore, in the present design, the clearance grooves 1300 are formed in the corresponding positions of the left and right sides of the insulating portion, so that there is a sufficient gap between the grounding terminal B and the side wall of the insulating portion. Therefore, the outer sides of the corresponding grounding terminals B of the first and second terminal modules 11 and 12 have a sufficient encapsulation thickness (i.e., the side of the grounding terminal B near the insulating portion in the left-right direction has a sufficiently thick plastic) so as to ensure the fixing stability between the corresponding grounding terminals B and the insulating members 1161 and 1162 and the inner mold members 1171 and 1172. In this design, the clearance groove 1300 is formed to extend over the entire length of the insulating portion in the front-rear direction.
Referring to fig. 11 to 14, the lower edges of the left and right sides of the insulating portion of the third terminal module 13 are respectively formed with protruding columns 1304 protruding outwards, and the protruding columns 1304 are correspondingly in abutting and limiting with the lower inner mold 1172 of the first terminal module 11 and the second terminal module 12. The upper surfaces of the upper insulating member 1161, the lower surface of the lower insulating member 1162 and the upper surface of the insulating portion of the first terminal module 11 and the second terminal module 12 are respectively formed with a limiting post 1011 in a protruding manner, the inner wall surface of the insulating body 10 is correspondingly formed with a groove structure 1024, and the rib-shaped limiting post 1011 is correspondingly fixed with the groove structure 1024 in a limiting manner, so as to fix the first terminal module 11 and the second terminal module 12 with the insulating body 10 in the front-rear direction, and fix the third terminal module 13 with the insulating body 10 in the left-right direction and the up-down direction. In this design, the limit posts 1011 on the first terminal module 11 and the second terminal module 12 are barb-shaped boss structures formed by protruding outwards, and the limit posts 1011 on the third terminal module 13 are dovetail-shaped rib structures formed by protruding outwards.
Referring to fig. 1 to 6, the metal cover 2 is made of metal plate, and has a docking space 20 extending in the front-rear direction and an interface 201 (see fig. 2) formed at the front end. The metal cover 2 includes an upper cover 21, a lower cover 22 and a middle barrier 23, wherein the upper cover 22 is correspondingly covered over the connector assembly 1 from top to bottom and is abutted against the upper surface of the mounting portion 102 of the insulation body 10. The middle spacer 23 is installed at the middle position of the upper cover 22 from bottom to top and backward. The lower cover 22 is arranged below the upper cover 21 from bottom to top. The lower cover 22 covers a portion of the lower surface of the insertion portion 101 of the insulating body 10. The lower surfaces of the lower inner mold 1172 of the first and second terminal modules 11, 12 and the lower surfaces of the insulating parts formed by stacking the five insulating sheets 1311 are exposed downward from the relief holes 1022 of the mounting part 102 (see fig. 6), and the metal bottom plate 3 is covered on the lower surface of the insulating body 10. The terminal butt joint part 1303 of the third terminal assembly 131 and the socket 1143 of the grounding member 114 penetrate the metal base plate 3 and protrude to a position below the metal base plate 3. In this design, each terminal of the first terminal module 11 and the second terminal module 12 is designed to be connected to the cable 5. Therefore, only the terminal abutting portion 1303 of each terminal of the third terminal assembly 131 and the pin 1143 of the grounding element 114 are disposed on the lower surface of the connector assembly 1, and the positions are relatively concentrated, so that the other portions of the lower surface of the connector assembly 1 are shielded and grounded by the metal bottom plate 3, thereby further ensuring and improving the shielding effect and being beneficial to improving the high-frequency performance.
Of course, in other embodiments, the metal bottom plate 3 may be designed to be integral with the lower housing 22.
Referring to fig. 3 and 4, the metal bottom plate 3 is fastened to two sides of the metal cover 2. The rear end of the high-speed connector module 100 is formed with a plurality of pin holes 1004 from top to bottom. The pin hole 1004 includes a rear pin hole penetrating the rear end position of the upper cover 21, the rear seat 14 and the metal base plate 3 in the up-down direction, and a front pin hole penetrating the upper cover 21, the insulating body 10, the front end position of the upper side plate 142 of the rear seat 14 and the metal base plate 3 in the up-down direction. The high-speed connector module 100 further includes a plurality of pins 7 (or rivets). The pins 7 pass through the pin holes 1004 to integrally fix the metal cover 2, the rear housing 14, the metal bottom plate 3 and the insulating body 10, so as to ensure the overall structural stability of the high-speed connector module 100. So that the high-speed connector module 100 can withstand greater insertion and extraction forces without damage to the deformation. In this design, the pin holes 1004 are specifically located at two sides of the rear end of the connector assembly 1.
Referring to fig. 1 and 2, the heat dissipation module 4 includes a heat dissipation plate 41 and a heat dissipation guiding post 42. The heat dissipation plate 41 is assembled and fixed at a position above the upper cover 21, the rear end of the heat dissipation guide post 42 is connected to the rear end face of the rear seat 14, and the front end of the heat dissipation guide post 42 is used for being connected with a specific structure of the electronic device. In this design, the heat dissipation guide post 42 is attached to the surface of the upper cover 21 of the metal cover 2. The heat dissipation guide post 42 is used for guiding out heat on the rear seat 14, and realizes a multi-channel heat dissipation function through connection with a specific structure of the electronic device.
In the present design, the plurality of non-high-speed terminals 130 are formed by punching (blanking type terminals) from a metal plate in the plate thickness direction in the left-right direction, and the plurality of high-speed terminals 1151 and 1152 are formed by bending a metal plate in the plate thickness direction in the up-down direction. Thus, more signal design combinations (such as space, thickness and the like) can be provided between each terminal group, and characteristic impedance regulation between terminal pairs can be easier and diversified. In addition, stub effects can be eliminated. The high frequency characteristic of the entire high-speed connector module 100 is facilitated.
The following describes in detail the process method of the high-speed connector module 100 according to the present design with reference to fig. 1 to 19, which includes the following steps:
A. forming the insulating body 10 by injection molding of a hot melt insulating material;
B. Forming a plurality of pairs of non-high-speed terminals 130 by blanking and bending a metal plate, forming an insulating sheet body 1311 on each pair of non-high-speed terminals 130 by injection molding of a hot-melt insulating material, forming a third terminal assembly 131, and stacking the five third terminal assemblies 131 along the left-right direction by a jig to form a third terminal assembly 13;
C. a plurality of upper high-speed terminals 1151 and a plurality of lower high-speed terminals 1152 are manufactured by punching and bending a metal plate;
a. Forming an upper insulating part 1161 by injection molding of a hot-melt insulating material on a row of seven upper high-speed terminals 1151, providing a cable 5, welding and fixing the cable 5 and the rear ends of the row of seven upper high-speed terminals 1151, and injection molding an upper inner mold part 1171 behind the upper insulating part 1161 to form an upper high-speed terminal assembly 1131;
b. forming a lower insulating part 1162 by injection molding of a hot-melt insulating material on a row of seven lower high-speed terminals 1152, providing a cable 5, welding and fixing the cable 5 and the rear ends of the row of seven lower high-speed terminals 1152, and injection molding a lower inner die 1172 behind the lower insulating part 1162 to form a lower high-speed terminal assembly 1132;
c. The conductive plate 111 is formed of conductive plastic, and the upper ground plate 1121 and the lower ground plate 1122 are formed by punching and bending a metal plate.
D. The upper high-speed terminal assembly 1131, the lower high-speed terminal assembly 1132, the conductive plate 111, the upper ground plate 1121, and the lower ground plate 1122 formed in steps a, b, and c are stacked in the up-down direction, in this order from top to bottom: an upper high-speed terminal assembly 1131, an upper ground plate 1121, a conductive plate 111, a lower ground plate 1122, and a lower high-speed terminal assembly 1132, and forms a first terminal module 11.
D. repeating the above step C to form the second terminal module 12.
E. The third terminal module 13 made in step B is inserted into the insulative body 10 from the rear to the front.
F. The first terminal module 11 made in step C is inserted into the insulative body 10 from the rear to the front.
G. the second terminal module 12 made in step D is inserted into the insulative body 10 from the rear to the front.
H. The grounding member 114 is manufactured by punching and bending a metal plate, and the two grounding members 114 are respectively inserted into the rear end positions of the first terminal module 11 and the second terminal module 12.
I. the rear housing 14 is manufactured by powder metallurgy, the rear housing 14 is assembled to the insulator body 10 from the rear to the front on the basis of step H, an injection molding 15 is formed between the insulator body 10 and the rear housing 14 by injection molding, and the connector assembly 1 is formed.
J. The two connector assemblies 1 formed in the step I are arranged side by side, the upper cover 21, the lower cover 22 and the middle barrier 23 are formed by punching and bending metal pieces, and the upper cover 21, the lower cover 22 and the middle barrier 23 are assembled to the two connector assemblies 1, respectively.
K. The metal bottom plate 3 is formed by stamping and bending a metal piece, and the metal bottom plate 3 is assembled to the lower surfaces of the two connector assemblies 1 on the basis of the step J.
And L, providing a heat dissipation module 4, and assembling the heat dissipation module 4 on the metal cover 2 on the basis of the step K.
M, providing a plurality of pins 7, and integrally fixing the metal cover 2, the rear seat 14, the metal bottom plate 3 and the insulating body 10 by the pins 7 on the basis of the step K or the step L to form the final high-speed connector module 100.
In this design, the third terminal module 13 is formed by stacking left and right, and the first terminal module 11 and the second terminal module 12 are formed by stacking up and down. The structural cooperation among the first terminal module 11, the second terminal module 12 and the third terminal module 13 is more stable, and the cooperation stress to the insulating body 10 is dispersed. In addition, the fixture is also beneficial to assembling and positioning the first terminal module 11, the second terminal module 12 and the third terminal module 13.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides a high-speed connector module, includes at least one connector assembly, the connector assembly is including insulator and direct or indirect a plurality of terminals of fixing in the insulator, its characterized in that: the rear end position of the insulating body of the connector assembly is fixedly provided with a rear seat body, an injection molding piece is further formed between the rear seat body and the insulating body, the injection molding piece and the rear seat body are integrally fixed;
the plurality of terminals include ground terminals;
The rear seat body comprises a main body plate covering the rear end of the insulating body and an upper side plate formed by extending the upper side edge of the main body plate forwards, and the upper side plate is attached to the upper surface of the insulating body;
The injection molding piece comprises a filling piece clamped between the main body plate and the rear end face of the insulating body through integral injection molding;
The limiting part is formed by extending the lower side edge of the main body plate forwards;
The abdication groove is formed in the limit part, penetrates through the limit part along the up-down direction and forwards penetrates through the limit part to form an opening shape, a fixing groove is formed at the rear end of the insulating body corresponding to the limit part, and the limit part is inserted into the fixing groove;
the grounding piece is implanted in the insulating body and is electrically communicated with the grounding terminal, and the grounding piece comprises a part protruding out of the insulating body and correspondingly embedded into the yielding groove to realize limit and electrical communication with the rear seat body.
2. The high-speed connector module of claim 1, wherein: in the up-down direction or the left-right direction, the insulating body is at least partially overlapped with the rear seat body, an inwards concave matching groove is formed at the part position of the insulating body overlapped with the rear seat body, a corresponding groove is formed at the position of the rear seat body corresponding to the matching groove in an inwards concave manner, and a fixing convex part for filling the matching groove and the corresponding groove is formed in an extending manner by the injection molding part.
3. The high-speed connector module of claim 2, wherein: the outer peripheral surface of the fixing convex part is in a step-shaped structure, and the matching groove is formed into a dovetail groove structure which is gradually narrowed from front to back and is opened to the rear end surface.
4. The high-speed connector module of claim 1, wherein: the rear seat body is a metal piece with electric conduction performance, which is manufactured through powder metallurgy.
5. The high-speed connector module of claim 2, wherein: the corresponding groove is of a through hole-shaped structure penetrating through the rear seat body.
6. The high-speed connector module of claim 2, wherein: the insulation body comprises an opposite inserting part positioned at the front end and a mounting part positioned at the rear end of the opposite inserting part, an inserting space for inserting a pair of connectors is formed in the middle of the opposite inserting part, an inserting port is formed at the front end of the mounting part, the section profile of the mounting part along the direction vertical to the front and rear direction is larger than that of the opposite inserting part, the upper side plate of the rear seat body covers the upper surface of the opposite inserting part, two limiting parts are arranged, the two limiting parts are respectively positioned at the left side and the right side of the lower side edge of the main body plate, the fixing groove is of a groove structure formed by upwards sinking the rear end position of the lower surface of the insulation body, and the fixing groove backwards penetrates through the rear end face of the insulation body.
7. The high-speed connector module of claim 1, wherein: the terminal comprises a group of non-high-speed terminal groups and two groups of high-speed terminal groups positioned on the left side and the right side of the group of non-high-speed terminal groups, the non-high-speed terminal groups and the high-speed terminal groups comprise a plurality of terminals which are arranged in two rows along the up-down direction, the rear ends of the terminals in the high-speed terminal groups are connected with a cable, the terminals in the non-high-speed terminal groups protrude downwards from the lower surface of the connector assembly to form terminal butt joint parts, and the terminal butt joint parts are in direct contact with one butt joint connection.
8. The high-speed connector module of claim 1, wherein: the high-speed connector module further comprises a metal cover at least partially covering the periphery of the connector assembly, wherein a butting space extending in the front-rear direction is formed in the metal cover, an interface is formed at the front end of the metal cover, and the connector assembly is fixed with the rear end of the metal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320697.5A CN109256643B (en) | 2018-11-07 | 2018-11-07 | High-speed connector module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320697.5A CN109256643B (en) | 2018-11-07 | 2018-11-07 | High-speed connector module |
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| CN109256643A CN109256643A (en) | 2019-01-22 |
| CN109256643B true CN109256643B (en) | 2024-04-19 |
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| CN201811320697.5A Active CN109256643B (en) | 2018-11-07 | 2018-11-07 | High-speed connector module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111478086B (en) * | 2020-04-14 | 2021-11-19 | 东莞立讯技术有限公司 | High speed connector |
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