CN214313756U - Differential contact module and connector - Google Patents
Differential contact module and connector Download PDFInfo
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- CN214313756U CN214313756U CN202120153762.0U CN202120153762U CN214313756U CN 214313756 U CN214313756 U CN 214313756U CN 202120153762 U CN202120153762 U CN 202120153762U CN 214313756 U CN214313756 U CN 214313756U
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Abstract
The utility model relates to a differential contact module and connector. The differential contact module includes: an insulating substrate; the first signal module and the second signal module are respectively arranged on two side plate surfaces of the insulating substrate, and a signal contact element of the first signal module corresponds to a signal contact element of the second signal module in the thickness direction of the insulating substrate to form a differential signal pair; the first shielding sheet and the second shielding sheet are respectively arranged on two side plate surfaces of the insulating substrate and cover the signal contact pieces corresponding to the signal contact modules; the first shielding sheet and the second shielding sheet are positioned between the two adjacent differential signal pairs and are directly or indirectly conducted in the thickness direction of the insulating substrate, and the shielding between the two adjacent differential signal pairs is realized. In the differential contact module, when the differential signal pair in the insulating substrate is damaged, only the first signal module and the second signal module in the differential contact module need to be replaced, and a good shielding effect is achieved between two adjacent signal differential pairs.
Description
Technical Field
The utility model relates to an electric connector field especially relates to a differential contact module and connector.
Background
The differential connector is used in the market fields of networks, wireless equipment and the like, and can provide high-speed signal transmission, for example, a fully shielded differential connector is disclosed in the Chinese patent with the publication number of CN104300313B, the differential connector comprises a differential module, the differential module comprises an insulator, a differential pair and a grounding pin, under the normal condition, the differential module is formed by injecting the differential pair and the grounding pin into the insulator, at the moment, the differential pair and the grounding pin are integrally arranged with the insulator, when a certain differential pair in the differential module is damaged, the damaged differential pair can only be replaced by replacing the whole differential module, and therefore the cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a difference contact module to need to change whole difference module and lead to the higher technical problem of cost when the damage appears in certain difference in the difference module among the solution prior art, still provide a lower difference connector of cost.
In order to achieve the above object, the technical solution of the differential contact module of the present invention is:
a differential contact module, comprising:
an insulating substrate;
a first signal module comprising at least one signal contact;
a second signal module comprising at least one signal contact;
the first signal module and the second signal module are respectively arranged on two side plate surfaces of the insulating substrate, and a signal contact element of the first signal module corresponds to a signal contact element of the second signal module in the thickness direction of the insulating substrate to form a differential signal pair;
first and second shield plates;
the first shielding sheet and the second shielding sheet are respectively arranged on two side plate surfaces of the insulating substrate and cover the signal contact pieces corresponding to the signal contact modules;
the first shielding sheet and the second shielding sheet are positioned between the two adjacent differential signal pairs and are directly or indirectly conducted in the thickness direction of the insulating substrate, and the shielding between the two adjacent differential signal pairs is realized.
Has the advantages that: in this differential contact module, differential contact module is by insulating substrate and install the first signal module on insulating substrate's both sides face respectively, the second signal module, still include first shielding piece, the second shielding piece, first shielding piece, the second shielding piece is installed respectively at insulating substrate's both sides face, and will correspond the signal contact piece cover of signal contact module, like this, when differential signal pair in insulating substrate appears damaging, only need to change first signal module and the second signal module in the differential contact module can, and need not to replace whole differential contact module, not only make things convenient for the replacement of differential signal pair, differential contact module's equipment is also more convenient. In addition, the first shielding sheet and the second shielding sheet are connected in the thickness direction of the insulating substrate at the position between the two adjacent differential signal pairs to realize electrical connection, so that a good shielding effect between the two adjacent differential signal pairs is ensured.
Furthermore, the insulating substrate further comprises middle shielding pieces, the middle shielding pieces are arranged in the insulating substrate at intervals, the extending direction of the middle shielding pieces is consistent with the extending direction of the signal contact pieces, the middle shielding pieces are located between the two adjacent differential signal pairs, and the first shielding pieces and the second shielding pieces are conducted through the middle shielding pieces.
Has the advantages that: the intermediate shielding piece with the extending direction consistent with the extending direction of the signal contact piece is arranged in the insulating substrate, two adjacent differential signal pairs can be shielded in the whole extending direction, and the effect is better.
Furthermore, at least part of the middle shielding piece is exposed out of two side plate surfaces of the insulating substrate; the first shielding sheet and the second shielding sheet are respectively contacted with the parts of the middle shielding piece exposed out of the two side plate surfaces of the insulating substrate to realize electrical connection.
Has the advantages that: the structure makes the first shielding plate, the second shielding plate and the middle shielding part enclose a shielding cavity to form complete shielding protection for the differential signal pair.
Furthermore, the first signal module and the second signal module respectively comprise more than two signal contact pieces, at least two signal contact pieces of the first signal module are embedded in the insulator to form an integral signal module, and at least two signal contact pieces of the second signal module are embedded in the insulator to form the integral signal module.
Has the advantages that: the signal contact piece is more stably arranged in the first signal module and the second signal module, the positioning of the signal contact piece is more convenient, and the assembly between the signal module and the shielding piece as well as between the signal module and the insulating substrate is simpler and more convenient.
Furthermore, the signal contact element comprises a transition section and signal electric connection sections arranged at two ends of the transition section, the insulator of the integral signal module is spaced at the position of the transition section corresponding to two adjacent signal contact elements so that the middle shielding element can be in contact with the corresponding first shielding sheet or the second shielding sheet, and the insulator of the integral signal module is connected into a whole at the connecting position of the signal electric connection sections and the transition section through the bridging section.
Has the advantages that: the signal module is kept good in integrity, meanwhile, the signal module and the shielding sheet are convenient to install, the insulators of the signal module are spaced at the transition sections corresponding to the two adjacent signal contact elements, and therefore when the signal module is installed on the two side faces of the insulating base plate, the middle shielding piece on the insulating base plate can be attached and contacted with the corresponding shielding sheet at the spaced position, and therefore the electric connection between the middle shielding piece and the shielding sheet is achieved.
Furthermore, the first shielding plate and the second shielding plate are provided with shielding electric connection sections, the shielding electric connection sections of the first shielding plate and the second shielding plate are respectively arranged at two sides of the signal electric connection section of the corresponding signal contact element, and the shielding electric connection sections and the signal electric connection sections are arranged along the plate surface of the insulating substrate.
Has the advantages that: the shielding electric connection section and the signal electric connection section are arranged along the surface of the insulating substrate, and the adaptive plug-in structures corresponding to the shielding electric connection section and the signal electric connection section on the printed board are also arranged in rows, so that the differential contact module is conveniently connected with the printed board.
Further, the insulator of the integral signal module is in positioning fit with the corresponding shielding sheet through a concave-convex fit structure extending in the thickness direction of the insulating substrate.
Has the advantages that: the integral signal module and the shielding sheet are prevented from moving in a staggered manner, so that the integral signal module and the shielding sheet are more conveniently positioned and simpler to assemble.
Furthermore, the concave-convex matching structure comprises a positioning hole arranged on the shielding sheet and a positioning convex column arranged on the insulator of the integral signal module.
Has the advantages that: the positioning structure in the structural form is convenient for manufacturing and processing the shielding sheet and the signal module, and reduces the manufacturing cost.
Furthermore, a signal electric connection section arranged at one end of the signal contact element is a signal contact element pin used for being connected with a printed board, shielding electric connection sections arranged at positions corresponding to two sides of the signal contact element pin on the shielding sheet are shielding sheet pins, an avoiding groove for the shielding sheet pin to pass through is arranged on the bridging section, the shielding sheet pin is provided with the positioning hole, and the bridging section is provided with the positioning convex column.
Has the advantages that: the positioning holes are formed in the pins of the shielding plate, the positioning convex columns are arranged on the bridging section, the positioning convex columns on the bridging section penetrate through the positioning holes in the pins of the shielding plate, the structural strength of the pins of the shielding plate can be improved, and the pins of the shielding plate are prevented from being bent or retreated when the connector is inserted into a printed board. The arrangement of the avoiding groove also makes the whole structure more compact.
In addition, the insulating substrate and the shielding sheet are in positioning fit through a concave-convex fit structure extending in the thickness direction of the insulating substrate.
Has the advantages that: the positioning between the insulating substrate and the shielding sheet is more convenient and the assembly is simpler.
In order to achieve the above object, the technical solution of the present invention is:
connector, including the casing, still include two or more differential contact modules, differential contact module installs in the casing, wherein, differential contact module includes:
an insulating substrate;
a first signal module comprising at least one signal contact;
a second signal module comprising at least one signal contact;
the first signal module and the second signal module are respectively arranged on two side plate surfaces of the insulating substrate, and a signal contact element of the first signal module corresponds to a signal contact element of the second signal module in the thickness direction of the insulating substrate to form a differential signal pair;
first and second shield plates;
the first shielding sheet and the second shielding sheet are respectively arranged on two side plate surfaces of the insulating substrate and cover the signal contact pieces corresponding to the signal contact modules;
the first shielding sheet and the second shielding sheet are positioned between the two adjacent differential signal pairs and are directly or indirectly conducted in the thickness direction of the insulating substrate, and the shielding between the two adjacent differential signal pairs is realized.
Has the advantages that: in this differential contact module, differential contact module is by insulating substrate and install the first signal module on insulating substrate's both sides face respectively, the second signal module, still include first shielding piece, the second shielding piece, first shielding piece, the second shielding piece is installed respectively at insulating substrate's both sides face, and will correspond the signal contact piece cover of signal contact module, like this, when differential signal pair in insulating substrate appears damaging, only need to change first signal module and the second signal module in the differential contact module can, and need not to replace whole differential contact module, not only make things convenient for the replacement of differential signal pair, differential contact module's equipment is also more convenient. In addition, the first shielding sheet and the second shielding sheet are connected in the thickness direction of the insulating substrate at the position between the two adjacent differential signal pairs to realize electrical connection, so that a good shielding effect between the two adjacent differential signal pairs is ensured.
Furthermore, the insulating substrate further comprises middle shielding pieces, the middle shielding pieces are arranged in the insulating substrate at intervals, the extending direction of the middle shielding pieces is consistent with the extending direction of the signal contact pieces, the middle shielding pieces are located between the two adjacent differential signal pairs, and the first shielding pieces and the second shielding pieces are conducted through the middle shielding pieces.
Has the advantages that: the intermediate shielding piece with the extending direction consistent with the extending direction of the signal contact piece is arranged in the insulating substrate, two adjacent differential signal pairs can be shielded in the whole extending direction, and the effect is better.
Furthermore, at least part of the middle shielding piece is exposed out of two side plate surfaces of the insulating substrate; the first shielding sheet and the second shielding sheet are respectively contacted with the parts of the middle shielding piece exposed out of the two side plate surfaces of the insulating substrate to realize electrical connection.
Has the advantages that: the structure makes the first shielding plate, the second shielding plate and the middle shielding part enclose a shielding cavity to form complete shielding protection for the differential signal pair.
Furthermore, the first signal module and the second signal module respectively comprise more than two signal contact pieces, at least two signal contact pieces of the first signal module are embedded in the insulator to form an integral signal module, and at least two signal contact pieces of the second signal module are embedded in the insulator to form the integral signal module.
Has the advantages that: the signal contact piece is more stably arranged in the first signal module and the second signal module, the positioning of the signal contact piece is more convenient, and the assembly between the signal module and the shielding piece as well as between the signal module and the insulating substrate is simpler and more convenient.
Furthermore, the signal contact element comprises a transition section and signal electric connection sections arranged at two ends of the transition section, the insulator of the integral signal module is spaced at the position of the transition section corresponding to two adjacent signal contact elements so that the middle shielding element can be in contact with the corresponding first shielding sheet or the second shielding sheet, and the insulator of the integral signal module is connected into a whole at the connecting position of the signal electric connection sections and the transition section through the bridging section.
Has the advantages that: the signal module is kept good in integrity, meanwhile, the signal module and the shielding sheet are convenient to install, the insulators of the signal module are spaced at the transition sections corresponding to the two adjacent signal contact elements, and therefore when the signal module is installed on the two side faces of the insulating base plate, the middle shielding piece on the insulating base plate can be attached and contacted with the corresponding shielding sheet at the spaced position, and therefore the electric connection between the middle shielding piece and the shielding sheet is achieved.
Furthermore, the first shielding plate and the second shielding plate are provided with shielding electric connection sections, the shielding electric connection sections of the first shielding plate and the second shielding plate are respectively arranged at two sides of the signal electric connection section of the corresponding signal contact element, and the shielding electric connection sections and the signal electric connection sections are arranged along the plate surface of the insulating substrate.
Has the advantages that: the shielding electric connection section and the signal electric connection section are arranged along the surface of the insulating substrate, and the adaptive plug-in structures corresponding to the shielding electric connection section and the signal electric connection section on the printed board are also arranged in rows, so that the differential contact module is conveniently connected with the printed board.
Further, the insulator of the integral signal module is in positioning fit with the corresponding shielding sheet through a concave-convex fit structure extending in the thickness direction of the insulating substrate.
Has the advantages that: the integral signal module and the shielding sheet are prevented from moving in a staggered manner, so that the integral signal module and the shielding sheet are more conveniently positioned and simpler to assemble.
Furthermore, the concave-convex matching structure comprises a positioning hole arranged on the shielding sheet and a positioning convex column arranged on the insulator of the integral signal module.
Has the advantages that: the positioning structure in the structural form is convenient for manufacturing and processing the shielding sheet and the signal module, and reduces the manufacturing cost.
Furthermore, a signal electric connection section arranged at one end of the signal contact element is a signal contact element pin used for being connected with a printed board, shielding electric connection sections arranged at positions corresponding to two sides of the signal contact element pin on the shielding sheet are shielding sheet pins, an avoiding groove for the shielding sheet pin to pass through is arranged on the bridging section, the shielding sheet pin is provided with the positioning hole, and the bridging section is provided with the positioning convex column.
Has the advantages that: the positioning holes are formed in the pins of the shielding plate, the positioning convex columns are arranged on the bridging section, the positioning convex columns on the bridging section penetrate through the positioning holes in the pins of the shielding plate, the structural strength of the pins of the shielding plate can be improved, and the pins of the shielding plate are prevented from being bent or retreated when the connector is inserted into a printed board. The arrangement of the avoiding groove also makes the whole structure more compact.
Moreover, the insulating substrate and the shielding sheet are in positioning fit through a concave-convex fit structure extending in the thickness direction of the insulating substrate.
Has the advantages that: the positioning between the insulating substrate and the shielding sheet is more convenient and the assembly is simpler.
In addition, the differential signal pairs of two adjacent differential contact modules are arranged in a staggered manner.
Has the advantages that: the differential signal pair of two adjacent differential contact modules can be ensured to have better shielding effect.
Drawings
Fig. 1 is a schematic structural diagram of a connector according to the present invention;
FIG. 2 is a schematic diagram of a differential contact module of the connector of FIG. 1;
FIG. 3 is an exploded perspective view of the differential contact module of FIG. 2;
FIG. 4 is a schematic structural diagram of an insulating substrate in the differential contact module of FIG. 2;
fig. 5 is an assembly view of a first signal module and a first shield plate in the differential contact module of fig. 2;
fig. 6 is a partial cross-sectional view of the differential contact module of fig. 2.
In the figure: 1. a housing; 2. a differential contact module; 3. a plug end; 4. an insertion end; 5. a first shielding sheet; 6. a first signal module; 7. an insulating substrate; 8. a second signal module; 9. a second shielding sheet; 10. an intermediate shield; 12. positioning the cylinder; 13. positioning the projection; 14. a contact projection; 15. positioning the convex column; 16. positioning the circular hole; 17. a bridging section; 18. a shield plate pin; 19. a signal contact pin; 20. an insulator; 21. a signal contact; 22. a transition section.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses a connector's embodiment one:
as shown in fig. 1 to 3, the connector includes a housing 1 and a plurality of differential contact modules 2 mounted in the housing 1, the differential contact modules 2 having a plate shape, and the plurality of differential contact modules 2 are stacked and fixed in the housing 1 in a direction perpendicular to a plate surface. The differential contact module 2 comprises an insulating substrate 7, and further comprises a first signal module 6 and a second signal module 8 which are respectively installed on two side plate surfaces of the insulating substrate 7, wherein the first signal module 6 comprises two signal contact elements 21, the second signal module 8 also comprises two signal contact elements 21, and the signal contact elements 21 of the first signal module 6 and the signal contact elements 21 of the second signal module 8 correspond to each other in the thickness direction of the insulating plate so as to form a broadside-coupled differential signal pair.
The differential contact module 2 further includes a first shielding sheet 5 and a second shielding sheet 9 respectively mounted on two side plate surfaces of the insulating substrate 7, the first shielding sheet 5 and the second shielding sheet 9 cover the signal contact 21 of the corresponding signal contact module, and the first shielding sheet 5 and the second shielding sheet 9 are electrically connected in the thickness direction of the insulating substrate 7.
The differential contact module 2 comprises an insertion end 4 and a plug end 3, the insertion ends of the differential contact modules 2 are positioned at the same side of the electric connector to form a connecting end for being connected with a printed board, and the plug ends of the differential contact modules 2 are positioned at the same side of the electric connector to form a plug end for being plugged with an adaptive connector.
As shown in fig. 1, after a plurality of differential contact modules 2 are installed in the connector housing 1, the differential signal pairs on two adjacent differential contact modules 2 are arranged in a staggered manner, so that a good shielding effect between the differential signal pairs on two adjacent differential modules is ensured.
The insulating substrate 7 has a structure as shown in fig. 4, an intermediate shield 10 is disposed at an interval, the intermediate shield 10 is made of a conductive material, in this embodiment, the conductive material is metal, and the metal is embedded in the insulating material forming the insulating substrate 7, in other embodiments, the conductive material may also be conductive rubber, conductive plastic, or the like; the intermediate shield 10 has an extending direction that coincides with the extending direction of the signal contact 21, and is exposed on both side plate surfaces of the insulating substrate 7 in the thickness direction.
The first signal module 6 and the second signal module 8 have the same structure, and the first shielding sheet 5 and the second shielding sheet 9 have the same structure. As shown in fig. 3, the signal contact 21 of the first signal module 6 is embedded in the insulator 20 to form an integral signal module, so that the insulator 20 can support and fix the signal contact 21 and can prevent a short circuit between the signal contact 21 and a corresponding shield plate. The signal contacts 21 include transition sections 22 and signal electrical connection sections at both ends of the transition sections 22, and the dielectric bodies 20 of the monolithic signal modules are spaced apart at transition locations corresponding to adjacent two of the signal contacts 21 and are connected together by the bridge section 17 at the locations where the signal electrical connection sections meet the transition sections 22.
As shown in fig. 5 and 6, the first shielding plate 5 is punched with a groove in the thickness direction of the insulating substrate 7, the groove is arranged in one-to-one correspondence with the insulator 20 at the transition position corresponding to the signal contact 21, the first shielding plate 5 further includes a groove connection section connecting two adjacent grooves, when the first signal module 6 and the first shielding plate 5 are mounted together, the insulator 20 at the transition position corresponding to the signal contact 21 is accommodated in the groove, so that the integrated signal module and the corresponding shielding plate can be positioned and matched. In addition, when the integral signal module and the corresponding shielding plate are installed together with the insulating substrate 7 after being installed, the groove connecting section of the shielding plate can be electrically connected with the middle shielding part 10 on the insulating substrate 7, so that the middle shielding part, the first shielding plate and the second shielding plate form a closed shielding cavity, and complete shielding protection is formed on the differential signal pair.
In order to ensure the stability of the conductive contact between the middle shield 10 on the insulating substrate 7 and the corresponding shield plate, a plurality of contact protrusions 14 are provided on the middle shield 10 on the insulating substrate 7, and after the middle shield 10 and the corresponding shield plate are connected together, the middle shield 10 on the insulating substrate 7 can be in conductive contact with the corresponding shield plate at the interval of the integrated signal module through the contact protrusions 14.
In order to realize accurate positioning between the integral signal module and the corresponding shielding plate, a positioning convex column 15 is arranged on an insulator 20 of the integral signal module, a positioning hole for the positioning convex column 15 to pass through is arranged on the shielding plate, and the positioning convex column 15 and the positioning hole form a concave-convex matching structure, so that the positioning matching between the integral signal module and the corresponding shielding plate is realized.
The first shielding sheet 5 further has shielding electrical connection sections, the shielding electrical connection sections are respectively located at two sides of the signal electrical connection section of the corresponding signal contact element 21, the shielding electrical connection sections and the signal electrical connection sections are arranged along the plate surface of the insulating substrate 7, in this embodiment, the signal electrical connection section arranged at one end of the signal contact element 21 is a signal contact element pin 19 connected with a printed board, and the signal contact element pin 19 of the first signal module 6 corresponds to the signal contact element pin 19 of the second signal module 8 in the thickness direction of the insulating plate; the shielding electric connection sections arranged on the first shielding plate 5 at the positions corresponding to the two sides of the signal contact pins 19 are shielding plate pins 18, and the shielding plate pins 18 on the first shielding plate 5 correspond to the shielding plate pins 18 on the second shielding plate in the thickness direction of the insulating plate.
The bridging section 17 of the integral signal module is provided with an avoiding groove for the shielding piece pin 18 to pass through, the bridging section 17 is provided with a positioning convex column 15, and the shielding piece pin 18 is provided with a positioning hole, therefore, at the position where the signal electric connection section of the signal contact element 21 is connected with the transition section 22, the integral signal module and the corresponding shielding piece can also form a concave-convex matching structure through the positioning convex column 15 and the positioning hole to realize the positioning matching between the integral signal module and the corresponding shielding piece, the structural strength of the shielding piece pin 18 can be increased by enabling the positioning convex column 15 on the bridging section 17 to pass through the positioning hole on the shielding piece pin 18, and when the connector is spliced with a printed board, the shielding piece pin 18 is prevented from being bent or retreated.
In order to ensure accurate positioning between the insulating substrate 7 and the integral signal module and the corresponding shielding plate, a groove is formed in the insulating material on the insulating substrate 7, and the groove plays a role in limiting when the integral signal module and the corresponding shielding plate are assembled. Moreover, it has unsmooth cooperation structure to extend in insulating substrate 7 thickness direction, and unsmooth cooperation structure includes that be provided with location cylinder 12 on insulating substrate 7, is provided with location round hole 16 on the shielding piece that corresponds, and unsmooth cooperation structure is still including setting up the protruding 13 of location on insulating substrate and the positioning groove who sets up on the shielding piece that corresponds, and insulating substrate 7 passes through unsmooth cooperation structure with the shielding piece that corresponds and realizes the location fit.
During assembly, the positioning convex column 15 on the insulator 20 of the integral signal module is installed in the positioning hole on the corresponding shielding plate, and the positioning convex column 15 on the bridging section 17 of the integral signal module is installed in the positioning hole on the corresponding shielding plate pin 18, so that positioning cooperation between the integral signal module and the corresponding shielding plate is realized, at the moment, the shielding plate pin 18 passes through the avoiding groove on the bridging section 17 of the integral signal module, the positioning convex column 15 on the bridging section 17 passes through the positioning hole on the shielding plate pin 18, and the differential signal pair and the insulation shielding pair are arranged at intervals along the plate surface of the insulation substrate 7. Then the integrated signal module and the corresponding shielding sheet which are installed together are installed on the insulating substrate 7, namely, the positioning cylinder 12 on the insulating substrate 7 penetrates into the positioning round hole 16 on the shielding sheet, and the positioning bulge 13 on the insulating substrate 7 is installed in the positioning groove of the corresponding shielding sheet, so that the positioning fit between the integrated signal module and the corresponding shielding sheet and the insulating substrate 7 is ensured, the middle shielding piece 10 on the insulating substrate 7 is in conductive contact with the corresponding shielding sheet, a closed shielding cavity is formed to form complete shielding protection for the differential signal pair, the assembly of the differential contact module 2 is completed, then the differential contact modules 2 are installed in the connector shell 1, and the assembly of the connector is completed.
The utility model discloses a concrete embodiment two of connector, the difference with the embodiment one is, set up the groove of wearing along the extension of insulating substrate thickness direction in the both sides of difference contact on the insulating substrate, and first shielding piece and/or second shielding piece meet and realize electric connection between them in wearing the groove to realize the shielding between the adjacent two signal difference pair.
In the first embodiment, at least a part of the middle shielding member is exposed out of the two side plate surfaces of the insulating substrate; the first shielding sheet and the second shielding sheet are respectively contacted with the parts of the middle shielding member exposed out of the two side plate surfaces of the insulating substrate to realize electrical connection, in other embodiments, the middle shielding member does not expose out of the two side plate surfaces of the insulating substrate, so that the first shielding sheet and the second shielding sheet respectively protrude towards the middle shielding sheet and extend into the insulating base to be contacted with the middle shielding sheet to realize shielding of the differential signal pair.
In a first embodiment, the plurality of signal contacts of the first signal module are cast in the insulator to form an integral signal module, and the plurality of signal contacts of the second signal module are cast in the insulator to form an integral signal module.
In one embodiment, the insulators of the integrated signal module are spaced at the transition sections corresponding to two adjacent signal contacts, and the insulators of the integrated signal module are integrally connected at the signal electric connection sections and the transition section connection positions through the bridging sections.
In the first embodiment, the insulator of the integrated signal module is in positioning fit with the corresponding shielding plate through a concave-convex fit structure in the thickness direction of the insulating substrate, in other embodiments, the shielding plate may be in a flat plate-shaped structure, and at this time, the shielding plate is fixed with the insulator of the integrated signal module through a screw, so that the positioning fit between the insulator of the integrated signal module and the corresponding shielding plate is ensured.
In the first embodiment, the insulator of the integral signal module and the corresponding shielding plate are positioned by a concave-convex matching structure extending in the thickness direction on the insulating substrate, the concave-convex matching structure comprises a positioning hole arranged on the shielding plate and a positioning convex column arranged on the insulator of the integral signal module, in other embodiments, the concave-convex matching structure can also be a groove arranged on the shielding plate and used for accommodating the insulator of the integral signal module, and concave-convex matching of the shielding plate and the integral signal module is realized by respectively placing the insulators of the integral signal module in the grooves of the shielding plate.
In the first embodiment, the bridging section is provided with an avoiding groove for the pin of the shielding plate to pass through, the pin of the shielding plate is provided with the positioning hole, and the bridging section is provided with the positioning convex column.
In the first embodiment, the insulating substrate and the shielding plate are in positioning fit through the concave-convex fit structure extending in the thickness direction of the insulating substrate, and in other embodiments, the positioning fit can be realized between the insulating substrate and the shielding member through a screw connection mode.
In a first embodiment, the first signal module includes two signal contacts, and the second signal module also includes two signal contacts, and in other embodiments, the first signal module includes three or more signal contacts, and the second signal module includes three or more signal contacts.
In the first embodiment, a plurality of contact protrusions are arranged on the middle shielding piece, the middle shielding piece is electrically connected with the corresponding shielding piece through the contact protrusions, in other embodiments, bulges can be further arranged on the middle shielding piece, grooves are formed in the corresponding shielding pieces, the bulges are matched with the grooves in the shielding pieces in a concave-convex mode to achieve electrical connection between the middle shielding piece and the shielding piece, or the protrusions are arranged on the middle shielding piece, through holes are formed in the shielding pieces, the protrusions penetrate through the through holes, and then the electrical connection between the middle shielding piece and the shielding piece is achieved through riveting.
The utility model discloses a specific embodiment of difference contact module, the specific structure of difference contact module is the same with the structure of the difference contact module in the even machine ware, no longer gives unnecessary details.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A differential contact module, comprising:
an insulating substrate (7);
a first signal module (6) comprising at least one signal contact (21);
a second signal module (8) comprising at least one signal contact (21);
the first signal module (6) and the second signal module (8) are respectively arranged on two side plate surfaces of the insulating substrate (7), and a signal contact piece (21) of the first signal module (6) corresponds to a signal contact piece (21) of the second signal module (8) in the thickness direction of the insulating substrate (7) to form a differential signal pair;
a second shielding sheet;
the first shielding sheet (5) and the second shielding sheet (9) are respectively arranged on two side plate surfaces of the insulating substrate (7) and cover the signal contact piece (21) corresponding to the signal contact module;
the first shielding sheet (5) and the second shielding sheet (9) are positioned between two adjacent differential signal pairs and are in direct or indirect conduction in the thickness direction of the insulating substrate (7), and shielding between the two adjacent differential signal pairs is realized.
2. The differential contact module of claim 1, wherein the insulating substrate (7) further comprises an intermediate shield (10), the intermediate shield (10) is disposed in the insulating substrate (7) at intervals, the extension direction of the intermediate shield (10) is the same as the extension direction of the signal contact (21), the intermediate shield (10) is disposed between two adjacent differential signal pairs, and the first shield (5) and the second shield (9) are conducted through the intermediate shield.
3. Differential contact module according to claim 2, characterized in that at least part of the intermediate shield (10) is exposed at both side faces of the insulating substrate (7); the first shielding sheet (5) and the second shielding sheet (9) are respectively contacted with the parts of the middle shielding piece (10) exposed out of the two side plate surfaces of the insulating substrate (7) to realize electrical connection.
4. The differential contact module according to claim 3, wherein the first signal module (6) and the second signal module (8) each comprise more than two signal contacts (21), at least two signal contacts (21) of the first signal module (6) are embedded in the insulator (20) to form an integral signal module, and at least two signal contacts (21) of the second signal module (8) are embedded in the insulator (20) to form an integral signal module.
5. The differential contact module as claimed in claim 4, wherein the signal contacts (21) include transition sections (22) and signal electrical connection sections at both ends of the transition sections (22), the dielectric bodies (20) of the integrated signal module are spaced apart at positions corresponding to the transition sections (22) of two adjacent signal contacts (21) to allow the intermediate shield (10) to be in abutting contact with the corresponding first shield plate (5) or second shield plate (9), and the dielectric bodies (20) of the integrated signal module are integrally connected by the bridging sections (17) at positions where the signal electrical connection sections and the transition sections (22) meet.
6. The differential contact module of claim 5, wherein the first shielding plate (5) and the second shielding plate (9) are provided with shielding electrical connection sections, the shielding electrical connection sections of the first shielding plate (5) and the second shielding plate (9) are respectively arranged at two sides of the signal electrical connection section of the corresponding signal contact (21), and the shielding electrical connection sections and the signal electrical connection sections are arranged along the plate surface of the insulating substrate (7).
7. Differential contact module according to claim 5 or 6, wherein the insulator (20) of the monolithic signal module is in a positional engagement with the corresponding shield plate by means of a male-female engagement structure extending in the thickness direction of the insulating substrate (7).
8. The differential contact module of claim 7, wherein the male and female mating structures include locating holes provided on the shield blades and locating posts (15) provided on the insulator (20) of the unitary signal module.
9. The differential contact module of claim 8, wherein the signal contact pin (19) for connecting with a printed circuit board is provided as a signal electrical connection section at one end of the signal contact (21), the shielding electrical connection section provided on the shielding plate at a position corresponding to both sides of the signal contact pin (19) is a shielding plate pin (18), the bridging section (17) is provided with an avoiding groove for the shielding plate pin (18) to pass through, the shielding plate pin (18) is provided with the positioning hole, and the bridging section (17) is provided with the positioning boss (15).
10. The differential contact module according to any of claims 1-6, characterized in that the insulating substrate (7) and the shielding plate are in a positional engagement by means of a male-female engagement structure extending in the thickness direction of the insulating substrate (7).
11. Connector comprising a housing (1), characterized in that it further comprises two or more differential contact modules (2) according to any of claims 1-10, the differential contact modules (2) being mounted in the housing (1).
12. Connector according to claim 11, characterized in that the differential signal pairs of two adjacent differential contact modules (2) are staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120153762.0U CN214313756U (en) | 2021-01-20 | 2021-01-20 | Differential contact module and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120153762.0U CN214313756U (en) | 2021-01-20 | 2021-01-20 | Differential contact module and connector |
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| Publication Number | Publication Date |
|---|---|
| CN214313756U true CN214313756U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120153762.0U Active CN214313756U (en) | 2021-01-20 | 2021-01-20 | Differential contact module and connector |
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| Country | Link |
|---|---|
| CN (1) | CN214313756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361881A (en) * | 2021-12-17 | 2022-04-15 | 苏州三星电子电脑有限公司 | Interface module |
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2021
- 2021-01-20 CN CN202120153762.0U patent/CN214313756U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361881A (en) * | 2021-12-17 | 2022-04-15 | 苏州三星电子电脑有限公司 | Interface module |
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