Terminal module and connector

Abstract

The present invention discloses a terminal module and a connector, wherein the terminal module comprises a terminal, an injection molded part and a shielding sheet, wherein the terminal and the injection molded part are combined to form an injection molded body, wherein the shielding sheet is provided with a buckle structure, wherein the buckle structure comprises a buckle protrusion and a notch for matching with the injection molded body, wherein the injection molded body is provided with a buckle hole matching with the buckle protrusion and a hot rivet column adjacent to the buckle hole, wherein the hot rivet column passes through the notch to form a riveting point, and the shielding sheet and the injection molded body are fixed by hot rivet at the riveting point. The terminal module of the present invention can overcome the defects of insufficient strength, easy deformation during the crimping process and poor flatness of the terminal module after the secondary injection molding is cancelled, and can improve both the high-speed signal integrity and the mechanical properties of the terminal module.

Description

Technical Field

[0001] The present invention belongs to the technical field of connectors, and in particular relates to a terminal module and a connector. Background Art

[0002] In modern data communication transmission systems, the transmission rate is getting higher and higher. High-speed interconnection systems are widely used in communication networks and data exchange systems. As the core bridge of data communication, high-speed backplane connectors have huge market demand and increasingly fierce competition. The requirements for product stability and cost are getting higher and higher. Various forms of high-speed backplane connectors should adopt low-cost solutions as much as possible while meeting SI performance requirements and mechanical performance requirements to meet the increasingly fierce market competition.

[0003] Existing high-speed backplane connector terminal modules such as Figures 1 to 3 As shown, it mainly includes a terminal 1001, a shielding sheet 1003 and an injection molded part. The wiring terminal is stamped and formed, and then an injection molding is performed after forming to form a primary injection molded body 1002. The shielding sheet 1003 is combined with the primary injection molded body 1002, and the primary injection molded body 1002 and the shielding sheet 1003 are combined into a whole through a secondary injection molded body 1004, so as to obtain a terminal module.

[0004] In the prior art, the shielding sheet is pressed onto the primary injection molded body 1002 through a secondary injection molding process, and the secondary injection molded body 1004 serves to fix the shielding sheet 1003 and increase the strength of the terminal module. Since the shielding sheet 1003 adopts the third contact 1005 to penetrate into the mating area of ​​the mating end to improve crosstalk, the third contact 1005 is unstable, which can easily lead to deterioration of the high-speed performance of the product; the shielding sheet adopts a shell extraction process, which is difficult to process, resulting in poor flatness of the entire terminal module, thereby affecting the position of the terminal spring sheet; the secondary injection molding process is adopted, which makes production complicated and leads to high product costs; the existing technical solutions cannot meet the increasingly fierce market competition in terms of product high-speed performance stability, product processing stability and product cost. Summary of the invention

[0005] The purpose of the present invention is to provide a terminal module that can overcome the defects of insufficient strength, easy deformation during the crimping process, and poor flatness of terminal modules that eliminate secondary injection molding. The terminal module of the present application can improve both the integrity of high-speed signals and the mechanical properties of the terminal module.

[0006] The present application also provides a connector with high compressive strength and can effectively improve electromagnetic crosstalk.

[0007] To achieve the above object, the technical solution adopted by the present invention is:

[0008] A terminal module comprises a terminal, an injection molded part and a shielding sheet, wherein the terminal and the injection molded part are combined to form an injection molded body, and the shielding sheet is provided with a buckle structure, wherein the buckle structure comprises a buckle protrusion and a notch for matching with the injection molded body.

[0009] The injection molded body is provided with a snap-fitting hole matched with the snap-fitting protrusion and a heat riveting column adjacent to the snap-fitting hole. The heat riveting column passes through the notch to form a riveting point, and the shielding sheet and the injection molded body are fixed by heat riveting through the riveting point.

[0010] The beneficial effect is: the snap points of the injection molded body and the shielding sheet are used as riveting points, and the original notches of the shielding sheet are also used as hot rivet column perforations. The shielding sheet and the injection molded body are fixed with hot rivets through the riveting points, which increases the strength of the terminal module and avoids the situation where the shielding sheet and the plastic surface of the injection molded body are not sufficiently fitted during product crimping, which is easy to separate or squeeze and deform, and further makes the gap between the shielding sheet and the terminal meet the technical requirements, making the product performance more stable; at the same time, by adopting this riveting method, the notch on the shielding sheet can be sealed, and a layer of shielding sheet can provide better shielding effect, which helps to improve crosstalk and obtain good high-speed signal integrity; this solution effectively solves the problem of weakened strength and flatness of the terminal module after the cancellation of secondary injection molding. The snap structure of the terminal module serves as a signal transmission point and a mechanical support point at the same time, and there is no need to add additional riveting points. It is very suitable for terminals and shielding sheets with extremely limited space.

[0011] Furthermore, the buckle structure on the shielding sheet is arranged along the terminal wiring to form a buckle path consistent with the terminal wiring.

[0012] The beneficial effects are: the arrangement path of each row of snap protrusions is consistent with the terminal routing, which helps the shielding sheet to transmit electromagnetic signals through the snap protrusions, thereby improving the SI performance of the terminal module; at the same time, this layout method helps to ensure the consistency of the spacing between the terminal routing and the shielding sheet, while improving the overall mechanical properties of the terminal module and avoiding extrusion deformation.

[0013] Furthermore, the terminal includes a terminal routing, a fisheye at one end of the terminal routing, and a terminal contact at the other end of the terminal routing; a snap structure is provided at a position adjacent to the fisheye on the shielding sheet and at a bend in the snap path, and a hot rivet column is correspondingly provided at a position adjacent to the fisheye on the injection molding body and at a bend in the snap path.

[0014] The beneficial effects are: setting a snap structure near the fisheye end and the bend of the snap path, firstly, helps the electromagnetic signals near the fisheye end and the electromagnetic signals near the bend of the terminal routing to be grounded and returned, thereby improving SI performance; secondly, it is beneficial to improve the overall mechanical properties of the terminal module.

[0015] Further, a reference plane A is defined, wherein the reference plane A is perpendicular to the side of the terminal module, and the intersection line of the reference plane A and the side of the terminal module is perpendicular to the fisheye arrangement line, the reference plane A is close to the fisheye, the reference plane A divides the terminal module into a first part and a second part, and all the fisheyes are in the first part, and all the terminal contacts are in the second part, and at least one side surface of the first part of the terminal module is defined as a hot riveting area, and at least the riveting points adjacent to the fisheyes and the riveting points at the bend of the snap path are hot riveted in the hot riveting area.

[0016] The beneficial effect is: since pits are easily formed in the thickness direction of the shielding sheet and the plastic part after the shielding sheet and the injection molded body are buckled together, the present application performs hot riveting on multiple riveting points in the hot riveting area, and can also choose to perform hot riveting on all hot riveting points in the hot riveting area, so that the multiple hot riveting columns in the hot riveting area support the shielding sheet and the injection molded body, avoiding the formation of pits after the shielding sheet and the injection molded body are assembled, and at the same time helps to further improve the strength of the terminal module.

[0017] Furthermore, a through hole is provided on the shielding sheet in an area outside the buckle structure, and a riveted column corresponding to the through hole is provided on the injection molded body, and the riveted column is riveted with the through hole.

[0018] The beneficial effect is that the shielding sheet is fixed to the injection molded body by hot riveting at the buckle position, and additional holes are opened in other places to fix them to the injection molded body by hot riveting. The combination of the two hot riveting forms is particularly effective for structural reinforcement of terminal modules with multiple differential pairs.

[0019] Furthermore, a reinforcing rib is provided on the injection molded body in an area corresponding to the buckle path.

[0020] The beneficial effect is that the reinforcing ribs provide a basis for the high stability of the hot riveting columns and the riveting columns, further ensuring the crimping reliability of the terminal module.

[0021] Furthermore, the snap structures between the two end points on two adjacent rows of snap paths are staggered, and a plane perpendicular to the shielding sheet and parallel to the snap path is defined as a reference plane B. The projection of each snap structure between the two end points on each row of snap paths on the reference plane B does not overlap with the projection of each snap structure on the remaining snap paths on the reference plane B.

[0022] The beneficial effect is that the buckle structures on each row of buckle paths are completely staggered, which helps to improve the dispersion of the buckle structure. At the same time, hot rivet columns are arranged at the positions corresponding to the notches of the buckle structure. The hot rivet columns pass through the notches to form riveting points with completely staggered arrangements. The good density and dispersion of the hot rivet points can improve the SI performance and mechanical properties of the terminal module as a whole.

[0023] Furthermore, the spacing between two adjacent rows of buckle paths is 2 to 5 mm.

[0024] The beneficial effect is that the snap-in path with this spacing makes the snap-in protrusions have an appropriate density and the snap-in structure has good dispersion uniformity. On the one hand, it helps to improve the uniformity of the force on the hot riveting column and avoid the formation of pits on the surface of the shielding sheet and the thickness direction of the injection molded body after buckling. On the other hand, it helps to further improve electromagnetic crosstalk.

[0025] Furthermore, the buckle protrusion and the buckle hole adopt an interference fit of a claw structure, a peanut buckle structure or an elastic buckle structure.

[0026] The beneficial effect is that the buckle protrusions on the shielding sheet can be in various forms, and the buckle holes on the corresponding injection molded body can also be in different shapes, which has strong adaptability.

[0027] Furthermore, an extension area is provided at the end of the shielding sheet close to the terminal contact, and the extension area is used to cover the terminal contact to provide barrier protection for the terminal contact. A contact point for contacting the ground terminal contact is provided on the extension area.

[0028] The beneficial effect is that the gap on the shielding sheet is completely blocked, and at the same time, an extension area for shielding signals between terminal contacts is provided at the front end of the shielding sheet. The combination of the two functions forms a complete shielding structure, which helps to enhance the shielding effect.

[0029] Furthermore, the terminals include signal differential pairs and ground terminals, and the number of the signal differential pairs is greater than three.

[0030] The beneficial effect is that the snap-fit ​​points are used as riveting points, and this design is particularly suitable for terminal modules with multiple differential pairs, such as 5, 6, 7, and 8 differential pairs.

[0031] The present application also provides a connector, which includes an insulating housing and at least two terminal modules installed on the insulating housing, and the terminal modules adopt the terminal modules described above.

[0032] The beneficial effect is that the terminal module of the connector adopts plastic hot riveting at the buckle of the shielding plate to form riveting points. The numerous riveting points combine the shielding plate and the injection molded body into a whole, which significantly enhances the strength and reduces the deformation of the terminal module in the thickness direction during the crimping process. The arrangement of the riveting points of the shielding plate in this connector is particularly effective in enhancing the mechanical properties of the terminal module with multiple differential pairs. The connector has stable high-speed performance, high product strength, simple process, low processing cost, and is conducive to industrial production. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of a terminal module in the prior art;

[0034] Figure 2 for Figure 1 Exploded diagram of

[0035] Figure 3 It is a schematic diagram of the structure of a shielding sheet in the prior art;

[0036] Figure 4 This is a schematic diagram of the structure of the terminal module in Example 1 of the present application;

[0037] Figure 5 This is a schematic diagram of the structure of the terminal module in Example 1 of the present application;

[0038] Figure 6 for Figure 4 A three-dimensional diagram of the middle shielding sheet;

[0039] Figure 7 for Figure 6 A front view of

[0040] Figure 8 for Figure 7 Side view of

[0041] Fig. 9 for Figure 4 The structural diagram on the back;

[0042] Fig.10 This is a schematic diagram of the assembly of the terminal module in Example 1 of the present application;

[0043] Fig.11 for Fig.10 Schematic diagram of the completed assembly of the middle terminal module;

[0044] Fig.12 is a schematic diagram of the structure of the terminal in Example 1;

[0045] Fig.13 is a schematic diagram of the structure of the connector in Example 1;

[0046] Fig.14 for Fig.13 Schematic diagram of the decomposition of

[0047] Fig.15 This is a schematic diagram of the structure of the terminal module in Example 2.

[0048] Fig.16 for Fig.15 Schematic diagram of the structure of the shielding sheet.

[0049] Markings in the figure: 100. terminal module, 101. terminal, 102. injection molding body, 103. shielding sheet;

[0050] 1011. terminal routing, 10111. signal differential pair, 10112. ground terminal, 1012. fisheye, 1013. terminal contact, 10131. ground terminal contact, 10132. signal terminal contact;

[0051] 1021. plastic, 1022. reinforcing rib, 1023. buckle hole;

[0052] 1031. snap-fit ​​protrusion, 1032. notch, 1033. riveting point, 1034. hot riveting area, 1035. snap-fit ​​path, 1036. perforation, 1037. extension area, 1038. contact point,

[0053] 200. Connector female end, 201. Terminal module A, 202. Terminal module B, 203. Fixing plate, 204. Positioning plate, 205. Insulating housing;

[0054] 300. Connector male end. DETAILED DESCRIPTION

[0055] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0056] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0057] At the same time, it should be noted that, unless otherwise specified, "multiple" means two or more; the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front end", "rear end", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. Changes or adjustments in their relative relationships shall also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0058] Example 1

[0059] like Figures 4 to 14 As shown, this embodiment provides a connector, which includes a connector female end 200 and a connector male end 300 that are plugged into each other, and the part that is plugged into each other is the connector plugging end. This application defines the end facing the plugging end as the front end.

[0060] The female connector 200 includes an insulating housing 205 and at least two terminal modules 100 mounted on the insulating housing 205. The terminal modules 100 are arranged side by side along the thickness direction thereof. Fig.13 , Fig.14The arrangement direction of the terminal module A 201 and the terminal module B 202 in the same connector. In the same connector, the terminal module A 201 and the terminal module B 202 have similar structures.

[0061] like Figures 4 to 12 As shown, the terminal module 100 includes a terminal 101, an injection molded part and a shielding sheet 103. The terminal 101 is combined with the injection molded part to form an injection molded body 102, and the shielding sheet 103 is assembled on one side of the injection molded body 102. The terminal 101 includes a terminal wiring 1011 and fisheyes 1012 and terminal contacts 1013 located at both ends of the terminal wiring 1011. The terminal wiring 1011 passes through the injection molded body 102, the terminal contact 1013 extends from the front end of the injection molded body 102, and the fisheye 1012 extends from one side of the injection molded body 102.

[0062] like Figures 6 to 8 As shown, the shielding sheet 103 includes a sheet-like main body, and the sheet-like main body is provided with a plurality of buckle structures that interlock with the injection molding body 102. The buckle structure is directly pressed on the sheet-like main body, and includes a buckle protrusion 1031 perpendicular to the sheet-like main body and a notch 1032 formed by processing the buckle protrusion 1031. In this embodiment, the buckle protrusion 1031 is a sheet-like claw bent toward the injection molding body 102, as shown in FIG. Figure 6 shown.

[0063] The injection molded body 102 is provided with a plurality of snap-fit ​​holes 1023 that match the snap-fit ​​protrusions 1031. The shape of the snap-fit ​​holes 1023 matches the claws. A hot riveting post is provided at a position adjacent to the snap-fit ​​holes 1023 and corresponding to the notch 1032 on the shielding sheet. The hot riveting post passes through the notch 1032 corresponding to the notch to form a riveting point 1033. The position of the riveting point 1033 is shown in FIG. Figure 4 .

[0064] Specifically, the buckle protrusion 1031 is interference-connected with the buckle hole 1023, and after the buckle protrusion 1031 is inserted into the buckle hole 1023, the buckle protrusion 1031 and the injection molded body 102 are electrically connected for transmitting electromagnetic signals. The heat riveting column is a cylindrical or rectangular column, and there is a certain distance between the rivet column and the buckle hole 1023. After the heat riveting column passes through the notch 1031 on the shielding sheet 103, a part of the end of the heat riveting column is exposed, which is convenient for riveting and fixing the shielding sheet 103 and the injection molded body 102 by stamping.

[0065] The buckle points of the shielding sheet 103 and the injection molded body 102 are used as riveting points, and no additional riveting points are required in other areas of the shielding sheet. The buckle structure has both electromagnetic and mechanical properties, which increases the strength of the terminal module on the one hand, and blocks the gap on the shielding sheet on the other hand. This helps to improve the mechanical properties of the terminal module 100, improve crosstalk, and obtain good high-speed signal integrity.

[0066] Furthermore, the buckle structures on the shielding sheet 103 are arranged along the terminal wiring 1011 to form a plurality of rows of buckle paths 1035 that are consistent with the terminal wiring 1011, see Figure 7 . In order to improve SI performance and mechanical properties, a snap structure must be provided at the position adjacent to the fisheye 1012 on the shielding sheet and at the bend of the snap path 1035, and a hot riveting column is provided at the position adjacent to the fisheye 1012 on the injection molding body 102 and at the bend of the snap path 1035. The spacing between two adjacent rows of snap paths 1035 is 2 to 5 mm, and the snap structures on two adjacent rows of snap paths 1035 are staggered. The spacing between two adjacent snap structures on the same snap path 1035 depends on the specific model of the terminal module 100. Generally, the spacing between two adjacent snap structures on the same snap path 1035 is 2 to 4 mm. The snap-fitting hole 1023 and the hot riveting column on the injection molding body 102 are located in the area between two adjacent signal differential pairs. This layout method helps to improve high-speed signal transmission, improve the overall mechanical properties of the terminal module, avoid the shielding sheet from being squeezed and deformed during assembly, and further achieve consistency in the spacing between the terminal routing and the shielding sheet, meeting relevant technical requirements.

[0067] Since pits are easily formed in the thickness direction of the shielding sheet 103 and the plastic part after the shielding sheet 103 and the injection molded body 102 are buckled together, in this embodiment, multiple riveting points in the heat riveting area 1034 are heat riveted, so that multiple heat riveting columns in the heat riveting area 1034 play a supporting role for the shielding sheet 103 and the injection molded body 102. In this embodiment, the heat riveting area 1034 is referred to as Figure 4 The dotted area in the figure, the area on the shielding sheet 103 directly above the fisheye 1012 is the hot riveting area 1034.

[0068] Specifically, Figure 5 As shown, a reference plane A is defined, the reference plane A is perpendicular to the side of the terminal module, and the intersection line L1 of the reference plane A and the side of the terminal module is perpendicular to the fisheye arrangement line L2. L1 specifically refers to the straight line formed by the intersection of the reference plane A and the side of the terminal module, and L2 refers to a straight line formed by connecting all the fisheyes, such as Figure 5 As shown, L2 is parallel to the arrangement direction of the fisheyes. The reference plane A is close to the fisheyes 1012, and the reference plane A divides the terminal module into a first part A1 and a second part A2, and all the fisheyes 1012 are in the first part A1, and all the terminal contacts 1013 are in the second part A2. That is, Figure 5 The area of ​​the middle terminal module located on the left side of L1 is the first part A1, and the area located on the right side of L1 is the second part A2. At least one side surface of the first part A1 of the terminal module is defined as the hot riveting area 1034, and at least the riveting point 1033 adjacent to the fisheye 1012 and the riveting point 1033 at the bend of the buckle path 1035 are hot riveted in the hot riveting area 1034.

[0069] That is, the range of the hot riveting area 1034 is not limited to Figure 4 The marked area can also be larger than Figure 4 When the reference plane A is closer to the terminal contact 1013, the range of the hot riveting zone 1034 is increased, and the hot riveting range of the hot riveting point is further expanded. Preferably, all the riveting points 1033 in the hot riveting zone 1034 are hot riveted. By riveting multiple hot riveting points in the hot riveting zone, the structural strength and surface flatness of the terminal module can be improved, and at the same time, it helps to improve the stability of high-speed signal transmission.

[0070] Preferably, the snap structures on each row of snap paths 1035 are arranged in a staggered manner as much as possible. The plane perpendicular to the shielding sheet and parallel to the snap paths 1035 is defined as the reference plane B. Specifically, the reference plane B is non-planar, and the reference plane B is consistent with the direction of the snap paths 1035. The projection of each snap structure between the two end points on each row of snap paths 1035 on the reference plane B does not overlap with the projection of each snap structure on the remaining snap paths 1035 on the reference plane B, so as to achieve complete staggering of all snap structures on the shielding sheet 103, thereby optimizing the SI performance and mechanical properties of the terminal module. In other words, except for the snap structures adjacent to the fisheye 1012 and the terminal contact 1013, the central axis of the projection of the remaining snap structures on the reference plane B is spaced at a certain interval.

[0071] Furthermore, a reinforcing rib 1022 is provided in the area of ​​the injection molded body 102 corresponding to the buckle path 1035. The position of the reinforcing rib 1022 is shown in FIG. Fig. 9 In specific implementation, the reinforcing rib 1022 is a long strip of plastic attached to the side of the injection molded body 102 away from the shielding sheet 103. The reinforcing rib 1022 can increase the strength of the corresponding area of ​​the injection molded body 102 on the one hand, and provide a basis for the high stability of the heat riveting column on the other hand, ensuring the crimping reliability of the terminal module.

[0072] like Fig.10 As shown, the assembly process of the shielding sheet 103 and the injection molding body 102 in this embodiment is as follows: the shielding sheet 103 is placed on the injection molding body 102, and the two are connected and fixed together by the buckle protrusion 1031 and the buckle hole 1023, and the heat riveting column on the injection molding body 102 passes through the notch 1032, and then the heat riveting column is heat-riveted, so as to form the following Fig.11 The terminal module 100 shown in FIG. After assembly, there is a certain distance between the plate-shaped terminal 101 wrapped in the plastic 1021 and the sheet-shaped body of the shielding sheet 103 , and the dispersedly arranged heat rivet columns help to improve the consistency of the distance.

[0073] The present application is particularly applicable to a terminal module having more than three signal differential pairs 10111. Fig.12It is a schematic diagram of the structure of a terminal with 6 signal differential pairs. As shown in the figure, the terminal 101 includes a terminal wiring 1011, and the two ends of the terminal wiring 1011 are fisheyes 1012 and terminal contacts 1013. The terminal wiring 1011 includes a signal terminal and a ground terminal, and the corresponding ground terminal contact 10131 is located at the front end of the ground terminal 10112, and the signal terminal contact 10132 is located at the front end of the signal terminal. Two adjacent signal terminals constitute a signal differential pair 10111, and each signal differential pair 10111 is located between two ground terminals 10112. The ground terminal 10112 is used to reduce the crosstalk between adjacent signal differential pairs in the same terminal. The riveting point arrangement method of the present application is more suitable for terminal modules with a wider spacing between two adjacent signal differential pairs 10111.

[0074] Furthermore, the shielding sheet 103 is provided with an extension area 1037 at the end close to the terminal contact 1013, and the extension area and the sheet-shaped body of the shielding sheet 103 are located in the same plane. The extension area 1037 is used to cover the terminal contact 1013 and provide barrier protection for the terminal contact 1013. The extension area 1037 is provided with a contact point 1038 for contacting the ground terminal contact 10131 to increase the ground return path, see Figure 7 , Fig.10 and Fig.11 The provision of the extension area 1037 helps to form a complete shielding structure and enhance the shielding effect.

[0075] The assembled connector is as follows Fig.13 , Fig.14 As shown, the connector includes a terminal module A 201, a terminal module B 202, a fixing plate 203, a positioning plate 204, and an insulating housing 205. The terminal module A 201 and the terminal module B 202 are consistent with the structure of the terminal module 100 described above. The terminal modules A 201 and the terminal modules B 202 in the same connector are alternately arranged in the order of "ABAB". The terminal wiring of adjacent terminal modules A 201 and terminal modules B 202 is staggered, which is conducive to high-frequency signal transmission. The terminal modules A 201 and the terminal modules B 202 are fixed in the insulating housing 205 by plastic buckle interference fit. In order to prevent the multiple terminal modules A 201 and the terminal modules B 202 from shaking in the insulating housing 205, the multiple terminal modules A 201 and the terminal modules B 202 are fixed by the fixing plate 203. After the terminal modules A 201, the terminal modules B 202 and the fixing plate 203 are installed, a positioning plate 204 capable of protecting the fisheye is added to the fisheye end.

[0076] Example 2

[0077] This embodiment provides a connector. In Embodiment 1, the buckle structure of the terminal module 100 is used as a riveting point. In this embodiment, other riveting points are additionally provided. Fig.15 , Fig.16 As shown, a through hole 1036 is provided in the area outside the buckle structure on the shielding sheet 103, and a riveting column corresponding to the through hole 1036 is provided on the injection molded body 102. The riveting column passes through the through hole 1036 to form a new riveting point 1033. The shielding sheet 103 and the injection molded body 102 are riveted and fixed through the above two types of riveting points 1033. This structure is particularly effective for structural reinforcement of terminal modules with multiple differential pairs.

[0078] Example 3

[0079] This embodiment provides a connector. In Embodiment 1, the snap protrusion 1031 is a sheet-shaped snap claw, and the snap claw is snap-fitted with the snap-fit ​​hole 1023. In this embodiment, the snap protrusion 1031 and the snap-fit ​​hole 1023 adopt a peanut snap structure or an elastic snap structure for interference fit. It should be clarified that the peanut snap structure means that the snap-fit ​​hole 1023 is shaped like a peanut, and the snap protrusion 1031 is a bent sheet that is interference-fitted with the snap-fit ​​hole 1023; the elastic snap structure means that the snap protrusion 1031 is an elastic snap claw, and the snap-fit ​​hole 1023 is a slot that is fixed with the elastic snap claw.

[0080] Example 4

[0081] This embodiment provides a terminal module, and the structure of the terminal module is consistent with the structure of the terminal module 100 in Embodiment 1, Embodiment 2 or Embodiment 3, and will not be described in detail here.

[0082] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the scope of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A terminal module, comprising a terminal (101), an injection molded part and a shielding sheet (103), wherein the terminal (101) is combined with the injection molded part to form an injection molded body (102), and the shielding sheet (103) is provided with a buckle structure, wherein the buckle structure comprises a buckle protrusion (1031) and a notch (1032) for matching with the injection molded body (102), and wherein: The injection molded body (102) is provided with a snap-fitting hole (1023) matched with the snap-fitting protrusion (1031) and a heat-riveting column adjacent to the snap-fitting hole (1023); the heat-riveting column passes through the notch (1032) to form a riveting point (1033); and the shielding sheet (103) and the injection molded body (102) are fixed by heat riveting via the riveting point (1033).

2. A terminal module according to claim 1, characterized in that: The buckle structure on the shielding sheet (103) is arranged along the terminal wiring (1011), forming a buckle path (1035) consistent with the terminal wiring (1011).

3. A terminal module according to claim 2, characterized in that: The terminal (101) comprises a terminal wiring (1011), a fisheye (1012) located at one end of the terminal wiring (1011), and a terminal contact (1013) located at the other end of the terminal wiring (1011); a buckle structure is provided at a position adjacent to the fisheye (1012) and at a bend of the buckle path (1035) on the shielding sheet (103); and a hot riveting column is correspondingly provided at a position adjacent to the fisheye (1012) and at a bend of the buckle path (1035) on the injection molding body (102).

4. A terminal module according to claim 2, characterized in that: A reference plane A is defined, wherein the reference plane A is perpendicular to the side of the terminal module, and the intersection line (L1) between the reference plane A and the side of the terminal module is perpendicular to the fisheye arrangement line (L2), the reference plane A is close to the fisheye (1012), the reference plane A divides the terminal module into a first part (A1) and a second part (A2), and all the fisheyes (1012) are in the first part (A1), and all the terminal contacts (1013) are in the second part (A2), and at least one side surface of the first part (A1) of the terminal module is defined as a hot riveting area (1034), and at least the riveting points (1033) adjacent to the fisheye (1012) and the riveting points (1033) at the bend of the buckle path (1035) are hot riveted in the hot riveting area (1034).

5. A terminal module according to claim 4, characterized in that: A perforation (1036) is provided on the shielding sheet (103) in an area outside the buckle structure, and a riveting column corresponding to the perforation (1036) is provided on the injection molded body (102), wherein the riveting column is riveted to the perforation (1036).

6. A terminal module according to claim 5, characterized in that: A reinforcing rib (1022) is provided on the injection molded body (102) in an area corresponding to the buckle path (1035).

7. A terminal module according to claim 5, characterized in that: The buckle structures between the two end points on two adjacent rows of buckle paths (1035) are arranged in a staggered manner, and a surface perpendicular to the shielding sheet (103) and parallel to the buckle path (1035) is defined as a reference plane B, and the projection of each buckle structure between the two end points on each row of buckle paths (1035) on the reference plane B does not overlap with the projection of each buckle structure on the remaining buckle paths (1035) on the reference plane B.

8. A terminal module according to any one of claims 2 to 7, characterized in that: The spacing between two adjacent rows of buckle paths (1035) is 2 to 5 mm.

9. A terminal module according to any one of claims 1 to 7, characterized in that: The buckle protrusion (1031) and the buckle hole (1023) adopt a claw structure, a peanut buckle structure or an elastic buckle structure for interference fit.

10. A terminal module according to any one of claims 1 to 7, characterized in that: An extension area (1037) is provided at the end of the shielding sheet (103) close to the terminal contact (1013); the extension area (1037) is used to cover the terminal contact (1013) and provide barrier protection for the terminal contact (1013); and a contact point for contacting the grounding terminal contact (10131) is provided on the extension area (1037).

11. A connector, comprising an insulating housing (205) and at least two terminal modules (100) mounted on the insulating housing (205), characterized in that: The terminal module (100) is the terminal module (100) according to any one of claims 1 to 10.

Images