Terminal module, electric connection module, electric connection assembly and connector

Abstract

The utility model discloses a terminal module, an electric connection module, an electric connection assembly and a connector. The terminal module comprises a row of terminals, wherein each terminal comprises a cantilever part, a welding part and a fixing part, wherein the cantilever part and the welding part are opposite in the longitudinal direction, and the fixing part is located between the cantilever part and the welding part; the terminal holding body is injection-molded on the fixing part of the row of terminals, so that the row of terminals and the terminal holding body are integrated, the row of terminals comprises a plurality of pairs of signal terminals and a plurality of grounding terminals which are arranged in the transverse direction, one grounding terminal is arranged between every two adjacent pairs of signal terminals, and the grounding terminals are arranged in the transverse direction. A plurality of windows respectively corresponding to the plurality of pairs of signal terminals are formed on the terminal holding body, and the windows penetrate through the terminal holding body in the height direction, so that a part of the fixed part of each pair of signal terminals is exposed out of the windows. According to the utility model, the influence of the terminal holding body on the contact impedance of the signal terminal is reduced, and the signal integrity of the connector is improved.

Description

Technical Field

[0001] This utility model relates to a terminal module, including an electrical connection module of the terminal module, an electrical connection component of the electrical connection module, and a connector including the electrical connection component. Background Technology

[0002] In existing technologies, connector terminal modules typically include a row of terminals and a terminal retainer injection-molded onto the fixing portion of the row of terminals. In existing technologies, the fixing portion of the differential signal terminals in the row of terminals is completely enclosed within the terminal retainer, which reduces the connector's signal integrity. Furthermore, in existing technologies, connector terminal modules include only a single grounding strip, which is soldered to the grounding terminal in the row of terminals. The grounding effect of a single grounding strip is poor and cannot meet the requirements of high-speed signal transmission. Utility Model Content

[0003] The purpose of this utility model is to solve at least one aspect of the aforementioned problems and defects existing in the prior art.

[0004] According to one aspect of the present invention, a terminal module is provided. The terminal module includes: a row of terminals, each terminal including a cantilever portion and a welded portion opposite each other in a longitudinal direction, and a fixing portion located between the cantilever portion and the welded portion; and a terminal holder, injection molded onto the fixing portion of the row of terminals, such that the row of terminals and the terminal holder are integrally formed. The row of terminals includes multiple pairs of signal terminals and multiple ground terminals arranged in a transverse direction, with a ground terminal disposed between two adjacent pairs of signal terminals. Multiple windows corresponding to the multiple pairs of signal terminals are formed on the terminal holder, the windows penetrating the terminal holder in the height direction, such that a portion of the fixing portion of each pair of signal terminals is exposed through the window.

[0005] According to an exemplary embodiment of the present invention, the terminal module further includes: a first grounding shield, soldered to the top surface of the plurality of grounding terminals; and a second grounding shield, soldered to the bottom surface of the plurality of grounding terminals. The projections of the first grounding shield and the second grounding shield in the height direction do not overlap.

[0006] According to another exemplary embodiment of the present invention, the terminal holder has a top surface and a bottom surface opposite each other in the height direction, and a transverse groove communicating with the plurality of windows is formed on the top surface of the terminal holder; the top surface of the fixing portion of the plurality of grounding terminals is exposed through the transverse groove, and the first grounding shield is accommodated in the transverse groove and welded to the top surface of the fixing portion of the plurality of grounding terminals to electrically interconnect the plurality of grounding terminals.

[0007] According to another exemplary embodiment of the present invention, the first grounding shield is a strip extending laterally and has a plurality of first welding ribs corresponding to the plurality of grounding terminals respectively. The plurality of first welding ribs extend longitudinally and protrude downwards. The bottom surfaces of the plurality of first welding ribs are respectively welded to the top surfaces of the fixing portions of the plurality of grounding terminals.

[0008] According to another exemplary embodiment of the present invention, the first welding rib has a pair of inclined first sidewalls and a first bottom wall located between the bottoms of the pair of inclined first sidewalls, such that the cross-section of the first welding rib is an upwardly flared trumpet shape; the first bottom wall of the first welding rib has a flat bottom surface, and the bottom surface of the first bottom wall of the first welding rib is welded to the top surface of the fixing portion of the grounding terminal.

[0009] According to another exemplary embodiment of the present invention, multiple pairs of positioning ribs corresponding to the plurality of first welding ribs are formed in the transverse groove of the terminal retainer, and an upwardly opening trumpet-shaped positioning opening is defined between each pair of positioning ribs, and each first welding rib is positioned in the trumpet-shaped positioning opening between the corresponding pair of positioning ribs.

[0010] According to another exemplary embodiment of the present invention, the first grounding shield further has a first top wall located between the tops of the first sidewalls of two adjacent first welding ribs, the first top wall being spaced apart from the fixing portion of the signal terminal by a predetermined distance in the height direction.

[0011] According to another exemplary embodiment of the present invention, the second grounding shield is a strip extending laterally and has a plurality of second welding ribs corresponding to the plurality of grounding terminals respectively. The plurality of second welding ribs extend longitudinally and protrude downwards, and the bottom surfaces of the plurality of second welding ribs are respectively welded to the bottom surfaces of the welding portions of the plurality of grounding terminals.

[0012] According to another exemplary embodiment of the present invention, the second welding rib has a pair of inclined second sidewalls and a second top wall located between the tops of the pair of inclined second sidewalls, such that the cross-section of the second welding rib is a downwardly flared trumpet shape; the second top wall of the second welding rib has a flat top surface, and the top surface of the second top wall of the second welding rib is welded to the bottom surface of the welding portion of the grounding terminal.

[0013] According to another exemplary embodiment of the present invention, the second grounding shield further has a second bottom wall located between the bottoms of the second sidewalls of two adjacent second welding ribs, the second bottom wall being spaced apart from the welding portion of the signal terminal by a predetermined distance in the height direction.

[0014] According to another exemplary embodiment of the present invention, a plurality of first protrusions and a plurality of first insertion holes are formed on the bottom surface of the terminal holder; the plurality of first protrusions on the bottom surface of the terminal holder of one terminal module are respectively engaged with the plurality of first insertion holes on the bottom surface of the terminal holder of another terminal module; the plurality of first insertion holes on the bottom surface of the terminal holder of one terminal module are respectively engaged with the plurality of first protrusions on the bottom surface of the terminal holder of another terminal module.

[0015] According to another exemplary embodiment of the present invention, first locking protrusions are formed on two laterally opposite end faces of the terminal retainer, the first locking protrusions being adapted to engage with a first slot in the connector housing to lock the terminal module into the connector housing.

[0016] According to another aspect of the present invention, an electrical connection module is provided. The electrical connection module includes: the aforementioned terminal module; and a plurality of cables arranged laterally. The signal lines of the plurality of cables are respectively soldered to the top surface of the soldering portions of a plurality of signal terminals of the terminal module, and the ground lines of the plurality of cables are respectively soldered to the top surface of the soldering portions of a plurality of ground terminals of the terminal module.

[0017] According to an exemplary embodiment of the present invention, the electrical connection module further includes: a cable retainer body, which is injection molded onto the plurality of cables, such that the plurality of cables and the cable retainer body are integrated into one piece.

[0018] According to another exemplary embodiment of the present invention, the cable retainer is also partially injection molded onto the welding portion of the row of terminals, so that the plurality of cables, the row of terminals and the cable retainer become a single unit.

[0019] According to another exemplary embodiment of the present invention, a plurality of second protrusions and a plurality of second sockets are formed on the bottom surface of the cable holder; the plurality of second protrusions on the bottom surface of the cable holder of one electrical connection module are respectively engaged with the plurality of second sockets on the bottom surface of the cable holder of another electrical connection module; the plurality of second sockets on the bottom surface of the cable holder of one electrical connection module are respectively engaged with the plurality of second protrusions on the bottom surface of the cable holder of another electrical connection module.

[0020] According to another exemplary embodiment of the present invention, a second locking protrusion is formed on each of the two laterally opposite end faces of the cable retainer. The second locking protrusion is adapted to engage with a second slot in the connector housing to lock the electrical connection module into the connector housing.

[0021] According to another aspect of the present invention, an electrical connection assembly is provided. The electrical connection assembly includes two of the aforementioned electrical connection modules assembled together.

[0022] According to an exemplary embodiment of the present invention, a first protrusion and a first socket on the bottom surface of a terminal holder of one electrical connection module are respectively engaged with a first socket and a first protrusion on the bottom surface of a terminal holder of another electrical connection module; a second protrusion and a second socket on the bottom surface of a cable holder of one electrical connection module are respectively engaged with a second socket and a second protrusion on the bottom surface of a cable holder of another electrical connection module.

[0023] According to another aspect of the present invention, a connector is provided. The connector includes: a connector housing; and an electrical connection assembly inserted into the connector housing.

[0024] In the foregoing exemplary embodiments of the present invention, a plurality of windows are formed on the terminal holder, and a portion of the fixing portion of the signal terminal is exposed from the terminal holder through the window, thereby reducing the influence of the terminal holder on the contact impedance of the signal terminal and improving the signal integrity of the connector.

[0025] Furthermore, in some of the aforementioned exemplary embodiments of this utility model, the terminal module includes two grounding components, which are respectively welded to the top and bottom surfaces of the grounding terminal, thereby improving the grounding effect of the connector and meeting the requirements of high-speed signal transmission.

[0026] Other objects and advantages of the present invention will become apparent from the following description of the invention with reference to the accompanying drawings, and will help to provide a comprehensive understanding of the invention. Attached Figure Description

[0027] Figure 1 This is a perspective view of a terminal module according to an exemplary embodiment of the present invention, viewed from top.

[0028] Figure 2 An exploded view of a terminal module according to an exemplary embodiment of the present invention is shown from top view.

[0029] Figure 3 Another exploded view of a terminal module according to an exemplary embodiment of the present invention, viewed from top;

[0030] Figure 4 This shows a horizontal sectional view of a terminal module according to an exemplary embodiment of the present invention, viewed from top.

[0031] Figure 5This shows an anatomical view of a terminal module according to an exemplary embodiment of the present invention, viewed from top.

[0032] Figure 6 This diagram shows a perspective view of a terminal module according to an exemplary embodiment of the present invention, viewed from the bottom.

[0033] Figure 7 An exploded view of a terminal module according to an exemplary embodiment of the present invention is shown from the bottom.

[0034] Figure 8 Another exploded view of a terminal module according to an exemplary embodiment of the present invention, viewed from the bottom;

[0035] Figure 9 This shows a horizontal sectional view of a terminal module according to an exemplary embodiment of the present invention, viewed from the bottom.

[0036] Figure 10 An exploded view of a terminal module and cable according to an exemplary embodiment of the present invention is shown.

[0037] Figure 11 A perspective view of a terminal module and cable according to an exemplary embodiment of the present invention is shown;

[0038] Figure 12 A perspective view of an electrical connection module according to an exemplary embodiment of the present invention is shown;

[0039] Figure 13 An exploded view of an electrical connection assembly according to an exemplary embodiment of the present invention is shown;

[0040] Figure 14 This diagram shows a perspective view of an electrical connection assembly according to an exemplary embodiment of the present invention. Detailed Implementation

[0041] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of this utility model with reference to the accompanying drawings is intended to explain the overall inventive concept of this utility model and should not be construed as a limitation thereof.

[0042] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and apparatuses are illustrated to simplify the figures.

[0043] According to a general technical concept of this utility model, a terminal module is provided. The terminal module includes: a row of terminals, each terminal including a cantilever portion and a welded portion opposite each other in the longitudinal direction, and a fixing portion located between the cantilever portion and the welded portion; and a terminal holder body, which is injection molded on the fixing portion of the row of terminals, such that the row of terminals and the terminal holder body are integrally formed. The row of terminals includes multiple pairs of signal terminals and multiple ground terminals arranged in the transverse direction, with a ground terminal disposed between two adjacent pairs of signal terminals. Multiple windows corresponding to the multiple pairs of signal terminals are formed on the terminal holder body, and the windows penetrate the terminal holder body in the height direction, such that a portion of the fixing portion of each pair of signal terminals is exposed through the window.

[0044] According to another overall technical concept of this utility model, an electrical connection module is provided. The electrical connection module includes: the aforementioned terminal module; and a plurality of cables arranged laterally. The signal lines of the plurality of cables are respectively soldered to the top surface of the soldering portion of a plurality of signal terminals of the terminal module, and the ground lines of the plurality of cables are respectively soldered to the top surface of the soldering portion of a plurality of ground terminals of the terminal module.

[0045] According to another overall technical concept of this utility model, an electrical connection assembly is provided. The electrical connection assembly includes two of the aforementioned electrical connection modules, assembled together.

[0046] According to another general technical concept of the present invention, a connector is provided. The connector includes: a connector housing; and an electrical connection assembly inserted into the connector housing.

[0047] Figure 1 This is a perspective view of a terminal module 100 as viewed from top, according to an exemplary embodiment of the present invention. Figure 2 Showing an exploded view of a terminal module 100 according to an exemplary embodiment of the present invention, viewed from top. Figure 3 Another exploded view of a terminal module 100 according to an exemplary embodiment of the present invention, viewed from top; Figure 4 Showing a horizontal sectional view of a terminal module 100 according to an exemplary embodiment of the present invention, viewed from top. Figure 5This shows an exploded view of a terminal module 100 according to an exemplary embodiment of the present invention, viewed from above. Figure 6 This is a perspective view of a terminal module 100 as viewed from the bottom, according to an exemplary embodiment of the present invention. Figure 7 An exploded view of a terminal module 100 according to an exemplary embodiment of the present invention is shown from the bottom. Figure 8 Another exploded view of the terminal module 100 according to an exemplary embodiment of the present invention, viewed from the bottom; Figure 9 This shows a horizontal sectional view of a terminal module 100 according to an exemplary embodiment of the present invention, viewed from the bottom.

[0048] like Figures 1 to 9 As shown, in an exemplary embodiment of this utility model, a terminal module 100 is disclosed. The terminal module 100 includes a row of terminals 1 and a terminal holder 2. Each terminal 1 includes a cantilever portion 11 and a welding portion 12 opposite each other in the longitudinal Y direction, and a fixing portion 13 located between the cantilever portion 11 and the welding portion 12. The terminal holder 2 is injection molded onto the fixing portion 13 of the row of terminals 1, making the row of terminals 1 and the terminal holder 2 a single piece. The row of terminals 1 includes multiple pairs of signal terminals 1' and multiple ground terminals 1' arranged in the transverse X direction, with a ground terminal 1' disposed between two adjacent pairs of signal terminals 1'. Multiple windows 21 corresponding to the multiple pairs of signal terminals 1' are formed on the terminal holder 2, and the windows 21 penetrate the terminal holder 2 in the height Z direction, such that a portion of the fixing portion 13 of each pair of signal terminals 1' is exposed through the window 21.

[0049] like Figures 1 to 9 As shown in the illustrated embodiment, the terminal module 100 further includes a first grounding shield 3 and a second grounding shield 4. The first grounding shield 3 is soldered to the top surface of the plurality of grounding terminals 1”. The second grounding shield 4 is soldered to the bottom surface of the plurality of grounding terminals 1”. The projections of the first grounding shield 3 and the second grounding shield 4 in the height direction Z do not overlap. This non-overlapping grounding shield arrangement allows for the provision of the longest possible metal shield within a limited terminal space, improving the grounding shielding effect.

[0050] like Figures 1 to 9As shown in the illustrated embodiment, the terminal holder 2 has a top surface and a bottom surface opposite each other in the height direction Z. A transverse groove 20 communicating with a plurality of windows 21 is formed on the top surface of the terminal holder 2. The top surface of the fixing portion 13 of the plurality of grounding terminals 1” is exposed through the transverse groove 20. The terminal module 100 also includes a first grounding shield 3, which is accommodated in the transverse groove 20 and welded to the top surface of the fixing portion 13 of the plurality of grounding terminals 1” to electrically interconnect the plurality of grounding terminals 1”.

[0051] like Figures 1 to 9 As shown, in the illustrated embodiment, the first grounding shield 3 is a strip extending in the transverse direction X and has a plurality of first welding ribs 30 corresponding to a plurality of grounding terminals 1” respectively. The plurality of first welding ribs 30 extend in the longitudinal direction Y and protrude downward. The bottom surfaces of the plurality of first welding ribs 30 are respectively welded to the top surfaces of the fixing portions 13 of the plurality of grounding terminals 1”.

[0052] like Figures 1 to 9 As shown, in the illustrated embodiment, the first welding rib 30 has a pair of inclined first sidewalls 31 and a first bottom wall 32 located between the bottoms of the pair of inclined first sidewalls 31, such that the cross-section of the first welding rib 30 is an upwardly flared trumpet shape. The first bottom wall 32 of the first welding rib 30 has a flat bottom surface, and the bottom surface of the first bottom wall 32 of the first welding rib 30 is welded to the top surface of the fixing portion 13 of the grounding terminal 1”.

[0053] like Figures 1 to 9 As shown in the illustrated embodiment, multiple pairs of positioning ribs 22 corresponding to the multiple first welding ribs 30 are formed in the transverse groove 20 of the terminal retainer 2. An upwardly opening trumpet-shaped positioning opening 23 is defined between each pair of positioning ribs 22, and each first welding rib 30 is positioned in the trumpet-shaped positioning opening 23 between the corresponding pair of positioning ribs 22.

[0054] like Figures 1 to 9 As shown, in the illustrated embodiment, the first grounding shield 3 also has a first top wall 33 located between the tops of the first sidewalls 31 of two adjacent first welding ribs 30, and the first top wall 33 is spaced apart from the fixing portion 13 of the signal terminal 1' by a predetermined distance in the height direction Z.

[0055] like Figures 1 to 9 As shown, in the illustrated embodiment, the terminal module 100 further includes a second grounding shield 4, which is soldered to the bottom surface of the solder portion 12 of the plurality of grounding terminals 1” to electrically interconnect the plurality of grounding terminals 1”.

[0056] like Figures 1 to 9As shown in the illustrated embodiment, the second grounding shield 4 is a strip extending in the transverse direction X and has a plurality of second welding ribs 40 corresponding to a plurality of grounding terminals 1” respectively. The plurality of second welding ribs 40 extend in the longitudinal direction Y and protrude downward. The bottom surfaces of the plurality of second welding ribs 40 are respectively welded to the bottom surfaces of the welding portions 12 of the plurality of grounding terminals 1”.

[0057] like Figures 1 to 9 As shown, in the illustrated embodiment, the second weld rib 40 has a pair of inclined second sidewalls 41 and a second top wall 42 located between the tops of the pair of inclined second sidewalls 41, such that the cross-section of the second weld rib 40 is a downwardly flared trumpet shape. The second top wall 42 of the second weld rib 40 has a flat top surface, and the top surface of the second top wall 42 of the second weld rib 40 is welded to the bottom surface of the weld portion 12 of the grounding terminal 1".

[0058] like Figures 1 to 9 As shown, in the illustrated embodiment, the second grounding shield 4 also has a second bottom wall 43 located between the bottoms of the second sidewalls 41 of two adjacent second welding ribs 40, and the second bottom wall 43 is spaced apart from the welding portion 12 of the signal terminal 1' by a predetermined distance in the height direction Z.

[0059] like Figures 1 to 9 As shown in the illustrated embodiment, a plurality of first protrusions 2a and a plurality of first insertion holes 2b are formed on the bottom surface of the terminal holder 2. The plurality of first protrusions 2a on the bottom surface of the terminal holder 2 of one terminal module 100 are used to engage with the plurality of first insertion holes 2b on the bottom surface of the terminal holder 2 of another terminal module 100, respectively. The plurality of first insertion holes 2b on the bottom surface of the terminal holder 2 of one terminal module 100 are used to engage with the plurality of first protrusions 2a on the bottom surface of the terminal holder 2 of another terminal module 100, respectively.

[0060] like Figures 1 to 9 As shown in the illustrated embodiment, first locking protrusions 2c are formed on two opposite end faces of the terminal retainer 2 in the lateral direction X. The first locking protrusions 2c are adapted to engage with a first slot (not shown) in the connector housing (not shown) to lock the terminal module 100 into the connector housing.

[0061] Figure 10 An exploded view of a terminal module 100 and a cable 5 according to an exemplary embodiment of the present invention is shown. Figure 11 A perspective view of a terminal module 100 and a cable 5 according to an exemplary embodiment of the present invention is shown. Figure 12 This diagram shows a perspective view of an electrical connection module 200 according to an exemplary embodiment of the present invention.

[0062] like Figures 1 to 12As shown, in another exemplary embodiment of this utility model, an electrical connection module 200 is also disclosed. The electrical connection module 200 includes the aforementioned terminal module 100 and a plurality of cables 5. The plurality of cables 5 are arranged along a transverse direction X. The signal lines 51 of the plurality of cables 5 are respectively soldered to the top surface of the soldering portions 12 of a plurality of signal terminals 1' of the terminal module 100, and the grounding lines 52 of the plurality of cables 5 are respectively soldered to the top surface of the soldering portions 12 of a plurality of grounding terminals 1" of the terminal module 100.

[0063] like Figures 1 to 12 As shown, in the illustrated embodiment, the electrical connection module 200 further includes a cable retainer 6, which is injection molded onto a plurality of cables 5, such that the plurality of cables 5 and the cable retainer 6 are integrated into one piece.

[0064] like Figures 1 to 12 As shown, in the illustrated embodiment, the cable retainer 6 is also partially injection molded onto the welding portion 12 of a row of terminals 1, so that the multiple cables 5, the row of terminals 1 and the cable retainer 6 become a single unit.

[0065] like Figures 1 to 12 As shown in the illustrated embodiment, a plurality of second protrusions 6a and a plurality of second sockets 6b are formed on the bottom surface of the cable holder 6. The plurality of second protrusions 6a on the bottom surface of the cable holder 6 of one electrical connection module 200 are respectively engaged with the plurality of second sockets 6b on the bottom surface of the cable holder 6 of another electrical connection module 200. The plurality of second sockets 6b on the bottom surface of the cable holder 6 of one electrical connection module 200 are respectively engaged with the plurality of second protrusions 6a on the bottom surface of the cable holder 6 of another electrical connection module 200.

[0066] like Figures 1 to 12 As shown in the illustrated embodiment, second locking protrusions 6c are formed on two opposite end faces of the cable retainer 6 in the transverse direction X. The second locking protrusions 6c are adapted to engage with a second slot (not shown) in the connector housing (not shown) to lock the electrical connection module 200 into the connector housing.

[0067] Figure 13 An exploded view of an electrical connection assembly 300 according to an exemplary embodiment of the present invention is shown. Figure 14 This diagram shows a perspective view of an electrical connection assembly 300 according to an exemplary embodiment of the present invention.

[0068] like Figures 1 to 14 As shown, in another exemplary embodiment of this utility model, an electrical connection assembly 300 is also disclosed. This electrical connection assembly 300 includes two of the aforementioned electrical connection modules 200. The two electrical connection modules 200 are assembled together.

[0069] like Figures 1 to 14 As shown in the illustrated embodiment, a first protrusion 2a and a first socket 2b on the bottom surface of a terminal holder 2 of one electrical connection module 200 respectively engage with a first socket 2b and a first protrusion 2a on the bottom surface of a terminal holder 2 of another electrical connection module 200. A second protrusion 6a and a second socket 6b on the bottom surface of a cable holder 6 of one electrical connection module 200 respectively engage with a second socket 6b and a second protrusion 6a on the bottom surface of a cable holder 6 of another electrical connection module 200.

[0070] like Figures 1 to 14 As shown, in another exemplary embodiment of this utility model, a connector is also disclosed. The connector includes a connector housing (not shown) and an electrical connection assembly 300. The electrical connection assembly 300 is inserted into the connector housing.

[0071] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this utility model.

[0072] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation thereof.

[0073] While some embodiments of the general concept of this utility model have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of this utility model, the scope of which is defined by the claims and their equivalents.

[0074] It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude multiple elements. Furthermore, any reference numerals in the claims should not be construed as limiting the scope of this invention.

Claims

1. A terminal module, characterized in that, include: A row of terminals (1), each terminal (1) including a cantilever portion (11) and a weld portion (12) opposite each other in the longitudinal (Y) direction, and a fixing portion (13) located between the cantilever portion (11) and the weld portion (12); and The terminal retainer (2) is injection molded onto the fixing part (13) of the row of terminals (1), so that the row of terminals (1) and the terminal retainer (2) become a single piece. The row of terminals (1) includes multiple pairs of signal terminals (1') and multiple ground terminals (1") arranged in the horizontal (X) direction, with a ground terminal (1") positioned between two adjacent pairs of signal terminals (1'). Multiple windows (21) corresponding to the multiple pairs of signal terminals (1') are formed on the terminal holder (2). The windows (21) penetrate the terminal holder (2) in the height direction (Z) so that a portion of the fixing part (13) of each pair of signal terminals (1') is exposed through the window (21).

2. The terminal module according to claim 1, characterized in that, Also includes: The first grounding shield (3) is welded to the top surface of the plurality of grounding terminals (1); and The second grounding shield (4) is welded to the bottom surface of the plurality of grounding terminals (1). The projections of the first grounding shield (3) and the second grounding shield (4) in the height direction (Z) do not overlap.

3. The terminal module according to claim 2, characterized in that: The terminal holder (2) has a top surface and a bottom surface opposite each other in the height direction (Z), and a transverse groove (20) communicating with the plurality of windows (21) is formed on the top surface of the terminal holder (2). The top surface of the fixing part (13) of the plurality of grounding terminals (1) is exposed through the transverse groove (20), and the first grounding shield (3) is accommodated in the transverse groove (20) and welded to the top surface of the fixing part (13) of the plurality of grounding terminals (1) to electrically interconnect the plurality of grounding terminals (1).

4. The terminal module according to claim 3, characterized in that: The first grounding shield (3) is a strip extending along the transverse (X) and has a plurality of first welding ribs (30) corresponding to the plurality of grounding terminals (1" respectively. The plurality of first welding ribs (30) extend along the longitudinal (Y) and protrude downward. The bottom surface of the plurality of first welding ribs (30) is respectively welded to the top surface of the fixing part (13) of the plurality of grounding terminals (1").

5. The terminal module according to claim 4, characterized in that: The first weld rib (30) has a pair of inclined first sidewalls (31) and a first bottom wall (32) located between the bottoms of the pair of inclined first sidewalls (31), such that the cross-section of the first weld rib (30) is an upwardly flared trumpet shape. The first bottom wall (32) of the first welding rib (30) has a flat bottom surface, and the bottom surface of the first bottom wall (32) of the first welding rib (30) is welded to the top surface of the fixing part (13) of the grounding terminal (1)”.

6. The terminal module according to claim 5, characterized in that: Multiple pairs of positioning ribs (22) corresponding to the plurality of first welding ribs (30) are formed in the transverse groove (20) of the terminal retainer (2). An upwardly opening trumpet-shaped positioning opening (23) is defined between each pair of positioning ribs (22), and each first welding rib (30) is positioned in the trumpet-shaped positioning opening (23) between the corresponding pair of positioning ribs (22).

7. The terminal module according to claim 5, characterized in that: The first grounding shield (3) also has a first top wall (33) located between the tops of the first sidewalls (31) of two adjacent first welding ribs (30), the first top wall (33) being spaced apart from the fixing portion (13) of the signal terminal (1') by a predetermined distance in the height direction (Z).

8. The terminal module according to any one of claims 2-7, characterized in that: The second grounding shield (4) is a strip extending along the transverse (X) and has a plurality of second welding ribs (40) corresponding to the plurality of grounding terminals (1" respectively. The plurality of second welding ribs (40) extend along the longitudinal (Y) and protrude downward. The bottom surfaces of the plurality of second welding ribs (40) are respectively welded to the bottom surfaces of the welding portions (12) of the plurality of grounding terminals (1").

9. The terminal module according to claim 8, characterized in that: The second weld rib (40) has a pair of inclined second sidewalls (41) and a second top wall (42) located between the tops of the pair of inclined second sidewalls (41), such that the cross-section of the second weld rib (40) is a downwardly flared trumpet shape; The second top wall (42) of the second welding rib (40) has a flat top surface, and the top surface of the second top wall (42) of the second welding rib (40) is welded to the bottom surface of the welding part (12) of the grounding terminal (1").

10. The terminal module according to claim 8, characterized in that: The second grounding shield (4) also has a second bottom wall (43) located between the bottoms of the second sidewalls (41) of two adjacent second welding ribs (40), the second bottom wall (43) being spaced apart from the welding portion (12) of the signal terminal (1') by a predetermined distance in the height direction (Z).

11. The terminal module according to claim 3, characterized in that: A plurality of first protrusions (2a) and a plurality of first insertion holes (2b) are formed on the bottom surface of the terminal holder (2); A plurality of first protrusions (2a) on the bottom surface of the terminal holder (2) of one terminal module (100) are used to engage with a plurality of first sockets (2b) on the bottom surface of the terminal holder (2) of another terminal module (100); A plurality of first sockets (2b) on the bottom surface of the terminal holder (2) of one of the terminal modules (100) are used to engage with a plurality of first protrusions (2a) on the bottom surface of the terminal holder (2) of another terminal module (100).

12. The terminal module according to claim 11, characterized in that: First locking protrusions (2c) are formed on two transversely (X) opposite end faces of the terminal retainer (2), and the first locking protrusions (2c) are adapted to engage with a first slot in the connector housing to lock the terminal module (100) into the connector housing.

13. An electrical connection module, characterized in that, include: Terminal module (100) according to any one of claims 1-12; and Multiple cables (5) are arranged horizontally (X). The signal lines (51) of the plurality of cables (5) are respectively soldered to the top surface of the soldering part (12) of the plurality of signal terminals (1') of the terminal module (100), and the grounding lines (52) of the plurality of cables (5) are respectively soldered to the top surface of the soldering part (12) of the plurality of grounding terminals (1") of the terminal module (100).

14. The electrical connection module according to claim 13, characterized in that, Also includes: The cable retainer (6) is injection molded onto the plurality of cables (5), so that the plurality of cables (5) and the cable retainer (6) become a single unit.

15. The electrical connection module according to claim 14, characterized in that: The cable retainer (6) is also partially injection molded onto the welding portion (12) of the row of terminals (1), so that the plurality of cables (5), the row of terminals (1) and the cable retainer (6) become a single unit.

16. The electrical connection module according to claim 14, characterized in that: A plurality of second protrusions (6a) and a plurality of second sockets (6b) are formed on the bottom surface of the cable holder (6). A plurality of second protrusions (6a) on the bottom surface of the cable holder (6) of one of the electrical connection modules (200) are used to engage with a plurality of second sockets (6b) on the bottom surface of the cable holder (6) of another electrical connection module (200); A plurality of second sockets (6b) on the bottom surface of the cable holder (6) of one of the electrical connection modules (200) are used to engage with a plurality of second protrusions (6a) on the bottom surface of the cable holder (6) of another electrical connection module (200).

17. The electrical connection module according to claim 14, characterized in that: A second locking protrusion (6c) is formed on each of the two transverse (X) opposite end faces of the cable retainer (6). The second locking protrusion (6c) is adapted to engage with a second slot in the connector housing to lock the electrical connection module (200) into the connector housing.

18. An electrical connection assembly, characterized in that, include: Two electrical connection modules (200) are assembled together. The electrical connection module (200) is the electrical connection module (200) according to any one of claims 13-17.

19. The electrical connection assembly according to claim 18, characterized in that: The first protrusion (2a) and the first socket (2b) on the bottom surface of the terminal holder (2) of one of the electrical connection modules (200) respectively engage with the first socket (2b) and the first protrusion (2a) on the bottom surface of the terminal holder (2) of the other electrical connection module (200); The second protrusion (6a) and the second socket (6b) on the bottom surface of the cable holder (6) of one of the electrical connection modules (200) respectively engage with the second socket (6b) and the second protrusion (6a) on the bottom surface of the cable holder (6) of the other electrical connection module (200).

20. A connector, characterized in that, include: Connector housing; and The electrical connection assembly (300) of claim 19 is inserted into the connector housing.

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