Shielding support plate, terminal module and connector

Abstract

The invention provides a shielding supporting plate, a terminal module and a connector, and belongs to the field of connecting devices. The shielding supporting plate comprises a supporting body, positioning protruding parts are integrally arranged on the two transverse sides of the supporting body, connecting plates perpendicular to the transverse direction are integrally arranged on the two transverse sides of the supporting body in a bent mode, and the outer side faces of the connecting plates are used for providing transverse supporting for the extending part of the shielding piece and are welded and fixed to the extending part of the shielding piece. The terminal module comprises the shielding support plate. The connector comprises the terminal module. The connecting plate is arranged on the shielding supporting plate, and the welding holes are formed in the shielding pieces, so that reliable connection can be completed through one-time welding, and the welding efficiency is high.

Description

Technical Field

[0001] This invention belongs to the field of connection devices, and in particular relates to a shielding support plate, a terminal module, and a connector. Background Technology

[0002] Terminal modules are an important component of high-speed connectors. A terminal module generally includes an insulator, signal terminals integrally injection molded onto the insulator, and shielding plates that are secondary heat-riveted to both sides of the insulator. The signal terminals are arranged in differential pairs. The front end of the shielding plate extends out of the insulator to provide more comprehensive shielding for the signal terminals. A support plate needs to be fixedly connected between the front overhangs of the two shielding plates to improve the deformation resistance of the shielding plates and enable the two shielding plates to conduct electricity.

[0003] The existing Chinese utility model patent with authorization announcement number CN215645331U discloses a bent male connector. In this bent male connector, a support plate (i.e., the shield plate connecting conductor in the patent) is also provided between the two shielding plates. The support plate is located between two adjacent differential pairs. The shielding plates are provided with positioning holes, and the support plate is provided with positioning protrusions that can be inserted into the positioning holes.

[0004] To ensure a reliable connection between the support plate and the shielding sheet, welding is typically performed at the mating points of the positioning protrusion and the positioning hole. For ease of assembly, the positioning protrusion and the hole wall have a certain clearance. If laser welding is used, the molten metal from the positioning protrusion must fill this clearance to reliably connect the protrusion and the hole wall, resulting in low welding efficiency. Furthermore, the molten metal is not well constrained and easily flows along the gap to other locations, affecting weld quality. Additionally, the laser welding spot is small and cannot completely cover the longitudinal width of the positioning hole. Therefore, welding is often performed on one longitudinal side of the positioning hole and protrusion, followed by welding on the other longitudinal side to ensure a reliable connection, which also impacts welding efficiency. If brazing is used, the brazing filler metal also needs to fill the gap between the positioning protrusion and the positioning hole, similarly resulting in low welding efficiency and uncertain brazing filler metal flow, affecting weld quality. Summary of the Invention

[0005] One of the objectives of this invention is to provide a shielding support plate to solve the technical problems of low welding efficiency and difficulty in ensuring welding quality between the shielding support plate and the shielding sheet in the prior art. One of the objectives of this invention is to provide a terminal module to solve the above-mentioned technical problems; One of the objectives of this invention is to provide a connector to solve the aforementioned technical problems.

[0006] To achieve the above objectives, the technical solution of the shielding support plate provided by the present invention is as follows: A shielding support plate includes a support body, with positioning protrusions integrally provided on both lateral sides of the support body, and connecting plates perpendicular to the lateral direction integrally bent on both lateral sides of the support body. The outer side of the connecting plates is used to provide lateral support for the extension of the shielding sheet and is welded and fixed to the extension of the shielding sheet.

[0007] As a further improvement, at least two connecting plates are provided on one side of the support body, with one part of each connecting plate on the same side facing the longitudinal side of the support body and the other part facing the other longitudinal side of the support body.

[0008] As a further improvement, connecting plates facing opposite directions on the same side of the supporting body are arranged alternately in the front-to-back direction.

[0009] As a further improvement, the connecting plates on both sides of the same position on the supporting body are oriented in opposite directions.

[0010] As a further improvement, at least two connecting plates are provided on one side of the support body, and the positioning protrusions and connecting plates on the same side of the support body are arranged alternately in the front-back direction.

[0011] As a further improvement, the lateral sides of the support body are provided with support end faces that can abut against the extension of the shielding sheet and provide support for the extension of the shielding sheet. The support end faces are flush with the outer side of the connecting plate.

[0012] The beneficial effects are as follows: The shielding support plate provided by this invention is an improvement over the prior art. The shielding support plate has an integrally bent connecting plate, which increases the support area of ​​the shielding support plate on the shielding sheet and also provides a larger contact area between the shielding support plate and the shielding sheet. This provides a reliable platform for convenient welding. Furthermore, because the connecting plate and the shielding sheet are in direct contact, the molten metal can directly connect the connecting plate and the shielding sheet together, resulting in high welding efficiency. The molten metal is also effectively constrained, ensuring the final welding quality.

[0013] To achieve the above objectives, the technical solution for the terminal module provided by this invention is as follows: A terminal module includes an insulator and shielding plates disposed on both sides of the insulator. Each shielding plate includes a main body fixed to the insulator and an extension located on the front side of the main body. A shielding support plate is disposed between the extensions of the two shielding plates. The shielding support plate includes a support body perpendicular to the longitudinal direction of the terminal module. The support body has longitudinally protruding positioning protrusions integrally disposed on both sides of the transverse direction. The extension has positioning holes that are clearance-fitted with the positioning protrusions. Both sides of the support body have integrally bent connecting plates perpendicular to the transverse direction. The outer side of the connecting plate abuts against the inner side of the extension. The extension has welding holes at positions corresponding to the connecting plates.

[0014] As a further improvement, the size of the welding hole is smaller than the spot size of the welding laser.

[0015] As a further improvement, at least two connecting plates are provided on one side of the support body, with one part of each connecting plate on the same side facing the longitudinal side of the support body and the other part facing the other longitudinal side of the support body.

[0016] As a further improvement, connecting plates facing opposite directions on the same side of the supporting body are arranged alternately in the front-to-back direction.

[0017] As a further improvement, the connecting plates on both sides of the same position on the supporting body are oriented in opposite directions.

[0018] As a further improvement, at least two connecting plates are provided on one side of the support body, and the positioning protrusions and connecting plates on the same side of the support body are arranged alternately in the front-back direction.

[0019] As a further improvement, the lateral sides of the support body are provided with support end faces that can abut against the extension of the shielding sheet and provide support for the extension of the shielding sheet. The support end faces are flush with the outer side of the connecting plate.

[0020] As a further improvement, the front end of the main body of the shielding sheet is provided with an insertion port for the shielding support plate to be inserted. The longitudinal side walls of the insertion port are provided with mounting protrusions, and the main body is provided with deformation holes adjacent to the mounting protrusions on the longitudinal side walls of the insertion port.

[0021] The beneficial effects are as follows: The terminal module provided by this invention is an improvement on the prior art. In this terminal module, a connecting plate is integrally bent on the shielding support plate. The connecting plate increases the support area of ​​the shielding support plate on the shielding sheet, and also provides a larger contact area between the shielding support plate and the shielding sheet. This provides a reliable platform for convenient welding. Moreover, since the connecting plate and the shielding sheet are in direct contact, the molten metal can directly connect the connecting plate and the shielding sheet together, resulting in high welding efficiency. Furthermore, the molten metal is effectively constrained, ensuring the final welding quality.

[0022] To achieve the above objectives, the technical solution for the connector provided by this invention is as follows: A connector includes a housing and a plurality of terminal modules installed within the housing. Each terminal module includes an insulator and shielding plates disposed on both lateral sides of the insulator. Each shielding plate includes a main body fixed to the insulator and an extension located on the front side of the main body. A shielding support plate is disposed between the extensions of the two shielding plates. The shielding support plate includes a support body perpendicular to the longitudinal direction of the terminal module. The support body has longitudinally protruding positioning protrusions integrally disposed on both lateral sides. The extensions have positioning holes that fit with the positioning protrusions with clearance. Both lateral sides of the support body have integrally bent connecting plates perpendicular to the lateral direction. The outer surface of the connecting plates abuts against the inner surface of the extensions. The extensions have welding holes at positions corresponding to the connecting plates.

[0023] As a further improvement, the size of the welding hole is smaller than the spot size of the welding laser.

[0024] As a further improvement, at least two connecting plates are provided on one side of the support body, with one part of each connecting plate on the same side facing the longitudinal side of the support body and the other part facing the other longitudinal side of the support body.

[0025] As a further improvement, connecting plates facing opposite directions on the same side of the supporting body are arranged alternately in the front-to-back direction.

[0026] As a further improvement, the connecting plates on both sides of the same position on the supporting body are oriented in opposite directions.

[0027] As a further improvement, at least two connecting plates are provided on one side of the support body, and the positioning protrusions and connecting plates on the same side of the support body are arranged alternately in the front-back direction.

[0028] As a further improvement, the lateral sides of the support body are provided with support end faces that can abut against the extension of the shielding sheet and provide support for the extension of the shielding sheet. The support end faces are flush with the outer side of the connecting plate.

[0029] As a further improvement, the front end of the main body of the shielding sheet is provided with an insertion port for the shielding support plate to be inserted. The longitudinal side walls of the insertion port are provided with mounting protrusions, and the main body is provided with deformation holes adjacent to the mounting protrusions on the longitudinal side walls of the insertion port.

[0030] The beneficial effects are as follows: The connector provided by this invention is an improvement on the prior art. In the terminal module of this connector, a connecting plate is integrally bent on the shielding support plate. The connecting plate increases the support area of ​​the shielding support plate on the shielding sheet, and also provides a larger contact area between the shielding support plate and the shielding sheet. This provides a reliable platform for convenient welding. Moreover, since the connecting plate and the shielding sheet are in direct contact, the molten metal can directly connect the connecting plate and the shielding sheet together, resulting in high welding efficiency. Furthermore, the molten metal is effectively constrained, ensuring the final welding quality. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of the connector in this invention; Figure 2 This is a schematic diagram of the terminal module in Embodiment 1 of the connector of the present invention; Figure 3 This is an exploded view of the terminal module in Embodiment 1 of the connector of the present invention; Figure 4 This is a schematic diagram of the terminal module without the shielding sheet and shielding support plate in Embodiment 1 of the connector of the present invention; Figure 5 This is a schematic diagram of the shielding support plate in Embodiment 1 of the connector of the present invention; Figure 6 This is a front view of the shielding support plate in Embodiment 1 of the connector of the present invention; Figure 7 This is a top view of the shielding support plate in Embodiment 1 of the connector of the present invention; Figure 8 for Figure 2 Enlarged view of point A in the middle; Figure 9 for Figure 2 Enlarged view of point B in the middle; Figure 10 This is a partial cross-sectional view of Embodiment 1 of the connector in this invention.

[0032] Explanation of reference numerals in the attached figures: 1. Housing; 2. Terminal module; 21. Insulator; 211. Slot; 22. Signal terminal; 23. Shielding sheet; 231. Main body; 232. Extension; 233. Bending step; 234. Positioning hole; 235. Welding hole; 236. Socket; 237. Reinforcing protrusion; 238. Deformation hole; 24. Shielding support plate; 241. Support body; 242. Groove; 243. Anti-detachment protrusion; 244. Grounding claw; 245. Anti-collision protrusion; 246. Positioning protrusion; 247. Connecting plate; 248. Support end face. Detailed Implementation

[0033] The present invention will be further described in detail below with reference to the embodiments.

[0034] To address the problems in the prior art, the basic concept of this invention is to additionally provide dedicated welding holes on the shielding sheet and to provide a connecting plate on the support plate to close one end of the welding holes, and to perform welding inside the welding holes.

[0035] Specific embodiment 1 of the connector provided by the present invention: See appendix Figure 1 The connector includes a housing 1 and a plurality of terminal modules 2 installed in the housing 1. The mating direction of the connector and the adapter connector is taken as the front-rear direction, and the end of the connector that is mated with the adapter connector is taken as its front end. The arrangement direction of the terminal modules 2 is taken as the transverse direction, and the direction that is perpendicular to both the front-rear direction and the transverse direction is taken as the longitudinal direction.

[0036] See appendix Figure 2 Appendix Figure 3 and attached Figure 4 The terminal module 2 includes an insulator 21, a signal terminal 22, and a shielding plate 23. The signal terminal 22 is arranged in the form of differential pairs and integrally injection molded in the insulator 21. There are two shielding plates 23, which are fixed to the two sides of the insulator 21 by secondary hot riveting.

[0037] The front end of the signal terminal 22 extends out of the insulator 21 to facilitate mating with the adapter connector. The shield 23 includes a main body 231 and an extension 232 located in front of the main body 231. The front end of the main body 231 is aligned with the front end of the insulator 21. A bent step 233 is provided between the extension 232 and the main body 231 to offset the extension 232 outward relative to the main body 231.

[0038] The extension 232 can expand the shielding range of the shielding sheet 23. A shielding support plate 24 is provided between the extensions 232 of the two shielding sheets 23. The shielding support plate 24 divides the space between the extensions 232 of the two shielding sheets 23 into multiple shielding cavities for accommodating differential pairs and forming a full-enclosed shielding effect for the differential pairs. At the same time, the shielding support plate 24 can also provide support for the extensions 232 on both sides to prevent the extensions 232 from deforming. In addition, the shielding support plate 24 can also conduct the extensions 232 on both sides.

[0039] See appendix Figure 5 Appendix Figure 6 and appendix Figure 7The shielding support plate 24 is manufactured from sheet metal by stamping and includes a support body 241, which is perpendicular to the longitudinal direction. A slot 211 is provided at the front end of the insulator 21, and the rear end of the support body 241 is inserted and fixed in the slot 211. A groove 242 is provided on the rear side of the support body 241, and a protrusion structure that fits into the groove 242 is provided on the insulator 21. A barbed anti-detachment protrusion 243 is provided at the portion of the support body 241 that is inserted into the slot 211, ensuring a secure connection between the support body 241 and the side wall of the slot 211 after insertion, preventing the support body 241 from detaching. The anti-detachment protrusion 243 is machined onto the support body 241 by stamping. There are two anti-detachment protrusions 243, and their protrusion directions are opposite. In other embodiments, three or four anti-detachment protrusions 243 may be provided as needed.

[0040] The support body 241 has two grounding spring claws 244 located in the middle, with the two grounding spring claws 244 popping out in opposite directions. The front of the support body 241 has two anti-collision protrusions 245, each corresponding to one of the two grounding spring claws 244. The anti-collision protrusions 245 are located directly in front of the corresponding grounding spring claw 244, and their height is less than the pop-out height of the grounding spring claw 244. If misalignment occurs during the mating of the connector with the adapter connector, the grounding component on the adapter connector will first contact the anti-collision protrusion 245 and then the grounding spring, preventing the grounding component on the adapter connector from directly impacting and deforming the grounding spring.

[0041] The supporting body 241 has a positioning protrusion 246 and a connecting plate 247 integrally provided on both sides of its lateral direction. The positioning protrusion 246 and the connecting plate 247 on the same side are arranged alternately in the front-back direction. This arrangement allows the positioning protrusion 246 and the connecting plate 247 to have a large distribution range in the front-back direction, thereby achieving better positioning and fixing effects.

[0042] See appendix Figure 3 and in conjunction with the appendix Figure 8 The extension 232 is provided with a positioning hole 234 for inserting the positioning protrusion 246. The positioning protrusion 246 is clearance-fitted with the positioning hole 234. The top end of the positioning protrusion 246 is chamfered to facilitate insertion into the positioning hole 234. The top end of the positioning protrusion 246 does not extend beyond the outer surface of the extension 232 to avoid the short-pile effect.

[0043] The connecting plate 247 is perpendicular to the horizontal direction, and its outer surface abuts against the inner surface of the extension 232 of the shielding plate 23. A welding hole 235 is provided on the extension 232 at a position corresponding to the connecting plate 247. After assembly, a laser is used to penetrate the welding hole 235, causing the inner wall of the welding hole 235 to melt and bond with the corresponding position on the connecting plate 247. The diameter of the welding hole 235 must be smaller than the laser spot size so that the laser spot can completely cover the welding hole 235, thereby allowing the entire circumference of the welding hole 235 to connect with the connecting plate 247, improving the reliability of the connection.

[0044] Three connecting plates 247 are provided on both sides of the support body 241. On the same side of the support body 241, part of each connecting plate 247 faces one longitudinal side of the support body 241, and another part faces the opposite longitudinal side. Specifically, the connecting plates 247 on the same side of the support body 241 with opposite orientations are arranged alternately in the front-to-back direction to make the support of the shielding support plate 24 on the shielding sheet 23 more uniform and the connection more reliable. The connecting plates 247 on both sides of the support body 241 at the same location have opposite orientations, also to enhance the uniformity of the support.

[0045] The support body 241 has support end faces 248 on both lateral sides, which can abut against the extension 232 of the shielding sheet 23 and provide support for the extension 232 of the shielding sheet 23. The support end faces 248 are aligned with the outer side of the connecting plate 247 and are located near the front end of the support body 241. The support end faces 248 can provide rigid support for the extension 232 of the shielding sheet 23 and can supplement the support of the connecting plate 247.

[0046] See appendix Figure 9 and attached Figure 10 The front end of the main body 231 of the shielding sheet 23 is provided with a socket 236 for the rear part of the support body 241 to be inserted. The socket 236 extends forward to the extension 232. The longitudinal side walls of the socket 236 are provided with mounting protrusions 237. The main body 231 is provided with deformation holes 238 adjacent to the mounting protrusions 237 on the longitudinal sides of the socket 236. The deformation holes 238 can weaken the structural strength of the mounting protrusions 237, making the mounting protrusions 237 easier to deform. This allows the rear part of the support body 241 to be forcibly installed into the socket 236 to reliably connect the support body 241 and the shielding sheet 23. It can also reduce the insertion resistance and facilitate the assembly operation.

[0047] The assembly process of the terminal module 2 in the connector is as follows: First, the signal terminal 22 and the insulator 21 are formed into a whole by injection molding. Then, the shielding sheet 23 is assembled on both sides of the insulator 21. Then, the shielding sheet 23 and the insulator 21 are fixedly connected by secondary hot riveting. Finally, the formed shielding support plate 24 is inserted between the extensions 232 of the two shielding sheets 23.

[0048] During the installation of the shielding support plate 24, the extensions 232 of the two shielding plates 23 are first slightly pushed outward to increase the space between them. Then, the shielding support plate 24 is inserted between the two extensions 232 from front to back. Specifically, the rear end of the shielding support plate 24 is inserted into the slot 211 on the insulator 21, and simultaneously, the rear part of the shielding support plate 24 is inserted into the insertion port 236 of the main body 231 of the shielding plate 23. The groove 242 at the rear end of the support body 241 engages with the protrusion on the insulator 21 to prevent lateral deviation during insertion. Afterward, the extensions 232 of the two shielding plates 23 are released, causing them to spring back inward. The positioning protrusion 246 on the shielding support plate 24 is inserted into the corresponding positioning hole 234 on the extension 232, thus positioning the shielding support plate 24 in the front-back and longitudinal directions. At this point, the shielding support plate 24 is accurately positioned and held in the inserted position. Finally, the shielding support plate 24 and the shielding sheet 23 are welded together by laser welding to complete the assembly of the terminal module 2.

[0049] This connector provides an additional location for welding the shielding support plate 24 and the shielding sheet 23 by setting a connecting plate 247 on the shielding support plate 24. This allows for a smaller size of the welding holes 235 on the shielding sheet 23 to meet the requirements of laser welding and reduce the number of welding points. Furthermore, since the outer surface of the connecting plate 247 abuts against the inner surface of the extension 232 of the shielding sheet 23, there is no gap between them, allowing the molten metal to fuse more quickly during welding, thereby improving welding efficiency. In summary, setting the connecting plate 247 on the shielding support plate 24 effectively improves the welding efficiency between the shielding support plate 24 and the shielding sheet 23.

[0050] In other embodiments of this example, each connecting plate 247 located on the same side of the support body 241 may also face the same direction, and all connecting plates 247 located on both sides of the support body 241 may also face the same direction. The number of support plates may also be changed according to space requirements or strength requirements. For example, the number of support plates on the same side may be set to one, two, four or five.

[0051] Specific embodiment 2 of the connector provided by the present invention: This embodiment is based on Embodiment 1. The difference between this embodiment and Embodiment 1 is that the positioning protrusion and the connecting plate are not arranged alternately. For example, the positioning protrusion is only provided at the front of the support body, while the connecting plate is only provided at the rear of the positioning protrusion.

[0052] Specific embodiment 3 of the connector provided by the present invention: This embodiment is based on Embodiment 1. The difference between this embodiment and Embodiment 1 is that no support end face is provided in this embodiment. Only a support plate is used to support the extension of the shielding sheet.

[0053] Specific embodiment 4 of the connector provided by the present invention: This embodiment is based on Embodiment 1, but differs in that it does not include deformation holes. When the shielding support plate is inserted into the socket, it directly engages with the forced mounting protrusion. To facilitate assembly, the size of the forced mounting protrusion can be reduced in this embodiment.

[0054] Specific embodiment 5 of the connector provided by the present invention: This embodiment is based on Embodiment 1, but differs in that it does not use laser welding to connect the extension of the shielding sheet and the connecting plate. Instead, it uses brazing, with the brazing filler metal filling the welding hole. The brazing filler metal can directly contact the outer surface of the connecting plate and the wall of the welding hole, thus connecting them together, resulting in high welding efficiency. Furthermore, because the outer surface of the connecting plate and the inner surface of the shielding sheet's extension are in tight contact without gaps, the brazing filler metal is less likely to leak out, ensuring good welding quality.

[0055] Specific embodiments of the terminal module provided by this invention: This terminal module is the terminal module in the specific embodiment of the connector described above, and will not be described again.

[0056] Specific embodiments of the shielding support plate provided by the present invention: The shielding support plate is the same as the shielding support plate in the specific embodiment of the connector described above, and will not be described again.

[0057] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments without creative effort, or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A shielding support plate, comprising a support body (241), wherein positioning protrusions (246) are integrally provided on both lateral sides of the support body (241), characterized in that, The support body (241) has a connecting plate (247) that is bent in one piece on both sides of the transverse direction. The outer side of the connecting plate (247) is used to provide transverse support for the extension (232) of the shielding sheet (23) and is welded and fixed to the extension (232) of the shielding sheet (23).

2. The shielding support plate according to claim 1, characterized in that, At least two connecting plates (247) are provided on one side of the support body (241). One part of each connecting plate (247) on the same side faces the longitudinal side of the support body (241), and the other part faces the other longitudinal side of the support body (241).

3. The shielding support plate according to claim 2, characterized in that, Connecting plates (247) located on the same side of the supporting body (241) and facing opposite directions are arranged alternately in the front-back direction.

4. The shielding support plate according to claim 2 or 3, characterized in that, The connecting plates (247) on both sides of the same position on the supporting body (241) face opposite directions.

5. The shielding support plate according to any one of claims 1-3, characterized in that, At least two connecting plates (247) are provided on one side of the support body (241), and the positioning protrusion (246) and the connecting plate (247) on the same side of the support body (241) are arranged alternately in the front-back direction.

6. The shielding support plate according to any one of claims 1-3, characterized in that, The support body (241) has support end faces (248) on both sides of the transverse direction, which can abut against the extension (232) of the shielding sheet (23) and provide support for the extension (232) of the shielding sheet (23). The support end faces (248) are flush with the outer side of the connecting plate (247).

7. A terminal module, comprising an insulator (21) and shielding plates (23) disposed on both lateral sides of the insulator (21), the shielding plates (23) comprising a main body (231) fixed to the insulator (21) and an extension (232) located on the front side of the main body (231), a shielding support plate (24) disposed between the extensions (232) of the two shielding plates (23), the shielding support plate (24) comprising a support body (241) perpendicular to the longitudinal direction of the terminal module (2), the support body (241) having longitudinally protruding positioning protrusions (246) integrally disposed on both lateral sides of the support body (241), and the extensions (232) having positioning holes (234) that are clearance-fitted with the positioning protrusions (246), characterized in that, The supporting body (241) has a connecting plate (247) bent integrally on both sides of the horizontal direction, which is perpendicular to the horizontal direction. The outer side of the connecting plate (247) abuts against the inner side of the extension (232). Welding holes (235) are provided on the extension (232) at the position corresponding to the connecting plate (247).

8. The terminal module according to claim 7, characterized in that, The size of the welding hole (235) is smaller than the spot size of the welding laser.

9. The terminal module according to claim 7 or 8, characterized in that, At least two connecting plates (247) are provided on one side of the support body (241). One part of each connecting plate (247) on the same side faces the longitudinal side of the support body (241), and the other part faces the other longitudinal side of the support body (241).

10. The terminal module according to claim 9, characterized in that, Connecting plates (247) located on the same side of the supporting body (241) and facing opposite directions are arranged alternately in the front-back direction.

11. The terminal module according to claim 9, characterized in that, The connecting plates (247) on both sides of the same position on the supporting body (241) face opposite directions.

12. The terminal module according to claim 7 or 8, characterized in that, At least two connecting plates (247) are provided on one side of the support body (241), and the positioning protrusion (246) and the connecting plate (247) on the same side of the support body (241) are arranged alternately in the front-back direction.

13. The terminal module according to claim 7 or 8, characterized in that, The support body (241) has support end faces (248) on both sides of the transverse direction, which can abut against the extension (232) of the shielding sheet (23) and provide support for the extension (232) of the shielding sheet (23). The support end faces (248) are flush with the outer side of the connecting plate (247).

14. The terminal module according to claim 7 or 8, characterized in that, The front end of the main body (231) of the shielding plate (23) is provided with a socket (236) for the shielding support plate (24) to be inserted. The longitudinal side walls of the socket (236) are provided with a strong mounting protrusion (237). The main body (231) is provided with a deformation hole (238) adjacent to the strong mounting protrusion (237) on both longitudinal sides of the socket (236).

15. A connector comprising a housing (1) and a plurality of terminal modules (2) mounted within the housing (1), characterized in that, The terminal module (2) is the terminal module (2) as described in any one of claims 7-14.

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