Assembly structure of RJ45 socket connector

Abstract

The utility model relates to an assembling structure of an RJ45 socket connector, which is provided with an insulating main body, a plurality of terminals and a shell, and is characterized in that the insulating main body is provided with a plugging cavity, a first implanting groove and a second implanting groove; each terminal is bent to obtain a contact part, a first straight part, a second straight part and a welding part, a first tongue piece is formed on the first straight part in an injection molding manner, a second tongue piece is formed on the second straight part in an injection molding manner, and the plurality of terminals are arranged together according to a set form; the plurality of terminals are assembled on the insulating main body together by implanting the first tongue piece into the first implanting groove and implanting the second tongue piece into the second implanting groove, the contact part is exposed in an inclined posture in the plugging cavity, and the insulating main body is wrapped by the outer iron shell. According to the utility model, the defects caused by direct insertion of a traditional terminal into the insulating main body can be reduced, and the terminal can be bent after injection molding, so that the molding size and the structural stability of the terminal are ensured, and manufacturing and assembling are facilitated; modularized assembly is adopted, automatic production is facilitated, and the assembling structural property and quality are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of electric connectors, in particular to an RJ45 socket connector. Background Art

[0002] The terminals of the existing RJ45 socket connector are formed by bending a long elastic line and then assembling it onto an insulating body. Since the terminals are long and thin, the bending and assembly are unstable, and the terminals are not easy to disassemble and replace after assembly, which is not conducive to maintenance. Summary of the invention

[0003] The purpose of the utility model is to provide an assembly structure of an RJ45 socket connector, which can well solve the above technical problems and improve the molding and assembly quality.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The assembly structure of the RJ45 socket connector has:

[0006] The insulating body has a plug-in cavity formed inwardly from the front end and a first implantation groove and a second implantation groove formed inwardly from the rear end and connected to each other;

[0007] A plurality of terminals, wherein the terminals are bent to obtain a contact portion, a first straight portion, a second straight portion and a welding portion, and the planes on which the first straight portion and the second straight portion are located intersect each other; a first tongue piece is injection-molded on the first straight portion, and a second tongue piece is injection-molded on the second straight portion, so that the plurality of terminals are arranged together in a set form; the plurality of terminals are assembled together on an insulating body by implanting the first tongue piece into a first implantation groove and the second tongue piece into a second implantation groove, and the contact portion is exposed in an inclined posture in the plug cavity, and the welding portion extends from the insulating body;

[0008] An outer iron shell encloses the insulating body.

[0009] The above scheme is further that the contact portion is bent backward from the front end of the first straight portion, and the second straight portion is bent downward from the rear end of the first straight portion, and the bent end of the contact portion points to the second straight portion; and the insulating body is also provided with an avoidance portion for adapting the contact portion to be implanted into the socket cavity.

[0010] The above solution is further that the avoidance portion is a groove separated by a partition on the insulating body, the number of the avoidance portions is consistent with the number of the terminals, and the bent end of the contact portion is exactly positioned in the avoidance portion.

[0011] The above scheme is further that the first implantation groove is located on the upper side of the connector cavity and has U-shaped slide grooves distributed on the left and right sides of the implantation direction, the U-shaped slide groove extends along the implantation direction, and a first stop-retreat portion is provided in the U-shaped slide groove; the first tongue piece is provided with a wing portion protruding from the side, the wing portion is implanted corresponding to the U-shaped slide groove and forms an anti-retreat clamping connection with the first stop-retreat portion.

[0012] The above scheme is further that the second implantation groove is located on the rear side of the connector cavity and has two support walls that are spaced apart from each other and face each other, and an introduction groove is constructed in the local notch of the support wall, the introduction groove extends along the implantation direction, and the introduction groove and the support wall are perpendicular to each other, and a second stop portion is also provided on the inner side surface of the support wall; the second tongue piece is provided with an introduction block and a buckle protruding from the side, the introduction block is correspondingly inserted into the introduction groove, and the buckle is clamped with the second stop portion, so that the second tongue piece is implanted in the second implantation groove and is located between the two support walls.

[0013] The above scheme is further that the first stop-recession portion is a local concave structure of the U-shaped slide groove, and a process hole opened from top to bottom is also provided on the upper side wall of the U-shaped slide groove, and the process holes are located above the first stop-recession portion and are interconnected; a latch tooth is formed on the implantation end of the wing portion, and the latch tooth is latched into the first stop-recession portion to form an anti-recession latch, and the process hole is used to provide avoidance, thereby driving the latch tooth to exit the first stop-recession portion.

[0014] The utility model forms a module of the terminal by injection molding, and then assembles it to the insulating body, which can reduce the defects caused by the traditional terminal directly inserted into the insulating body, and the terminal can be bent after injection molding, so as to ensure the stability of the terminal molding size and structure, which is conducive to production and assembly; modular assembly is convenient for automated production, and also ensures the assembly structure and quality, and is also convenient for disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Attached Figure 1 This is a schematic diagram of the structure of a preferred embodiment of the utility model;

[0016] Attached Figure 2 for Figure 1 A schematic diagram of the structural decomposition of an embodiment;

[0017] Attached Figure 3 for Figure 1 A schematic diagram of a structure in which a terminal is assembled onto an insulating body;

[0018] Attached Figure 4 for Figure 1 Schematic diagram of the insulation main structure;

[0019] Attached Figure 5 for Figure 4 A schematic structural diagram of the insulating body from another perspective;

[0020] Attached Figure 6 for Figure 1 The structure diagram of the terminal and the first and second tongue pieces after molding;

[0021] Attached Figure 7 for Figure 1 Schematic diagram of the terminal bending structure;

[0022] Attached Figure 8 for Figure 1 Structural cross-sectional view of the terminal mating with the insulating body. DETAILED DESCRIPTION

[0023] The concept, specific structure and technical effects of the utility model will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the utility model.

[0024] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] See also Figures 1 to 8 As shown, it is a schematic diagram of a preferred embodiment of the utility model. The utility model is related to an assembly structure of an RJ45 socket connector. The terminal and the tongue are injection molded together and then assembled with the insulating body. The connection between the tongue and the insulating body is used to improve the assembly stability and also has detachability.

[0026] Specifically, the RJ45 socket connector has an insulating body 1, several terminals 2 and an outer iron shell 5; the insulating body 1 is an integrally formed plastic part, and the insulating body 1 has a plug-in cavity 11 formed from the front end and a first implantation groove 12 and a second implantation groove 13 that are concave from the rear end and are interconnected; as shown in the figure, the first implantation groove 12 is located on the upper side of the plug-in cavity 11, and the second implantation groove 13 is located on the rear side of the plug-in cavity 11, and the plug-in cavity 11 is used to match the external plug (crystal head) for plug connection. Several terminals 2 are bent by elastic metal wires, and the contact portion 21, the first straight portion 22, the second straight portion 23 and the welding portion 24 are obtained by bending, and the planes where the first straight portion 22 and the second straight portion 23 are located intersect with each other. The first tongue piece 3 is injection molded on the first straight portion 22, and the second tongue piece 4 is injection molded on the second straight portion 23, so that several terminals 2 are arranged together in a set shape; then, the first tongue piece 3 is implanted into the first implantation groove 12 and the second tongue piece 4 is implanted into the second implantation groove 13 to establish several terminals 2 assembled together on the insulating body 1, and the contact portion 21 is exposed in an inclined posture in the plug cavity 11 so as to contact and connect with the external plug to achieve signal transmission, and the welding portion 24 extends from the insulating body 1 for upper board welding. The welding portion 24 shown in the figure is a straight-insertion foot shape that meets the DIP process. Of course, it can also be formed into a foot that meets the SMT process as needed. Different forms of welding portions can be selected according to actual needs. The outer iron shell 5 is constructed by bending an iron sheet and wrapping the insulating body 1, which increases the structurality of the product and has the effect of protecting and improving quality.

[0027] Figures 1 to 8As shown, in this embodiment, the contact portion 21 is bent backward from the front end of the first straight portion 22, and the second straight portion 23 is bent downward from the rear end of the first straight portion 22. The bent end of the contact portion 21 points to the second straight portion 23, that is, the contact portion 21 is located in the area surrounded by the first straight portion 22 and the second straight portion 23; preferably, the second straight portion 23 forms a right angle with the first straight portion 22 after bending, and the first tongue piece 3 and the second tongue piece 4 are flat and also form a perpendicular relationship with each other, which is convenient for subsequent assembly. The insulating body 1 is also provided with an avoidance portion 14 for adapting the contact portion 21 to be implanted into the plug-in cavity 11, so that when the first tongue piece 3 is implanted into the first implantation groove 12, the contact portion 21 can be implanted into the plug-in cavity 11 through the avoidance portion 14, which is convenient for assembly. Furthermore, the avoidance portion 14 is a groove separated by a partition 15 on the insulating body 1. The partition 15 is a molded glue position reserved for the insulating body 1. The partition 15 in the figure is an L-shaped side plate extending to the first implantation groove 12 and the second implantation groove 13. The number of avoidance portions 14 is consistent with the number of terminals 2, and the bent end of the contact portion 21 is exactly positioned in the avoidance portion 14. The partition 15 effectively separates and positions the contact portion 21, so that the contact portion 21 can be effectively set according to the preset state, not easy to deform or twist, which helps to improve the usability of plug-in. Furthermore, the bent end of the contact portion 21 is exactly positioned in the avoidance portion 14, so that all the contact portions 21 have the same elastic outward height, ensuring consistent plug-in connection and improving product assembly quality and usage quality.

[0028] Figure 2 , 3As shown in , 4, 5, and 8, the first implantation groove 12 has a U-shaped slide groove 121 distributed on the left and right sides of the implantation direction, the U-shaped slide groove 121 extends along the implantation direction, and a first stop portion 122 is provided in the U-shaped slide groove 121; the first tongue piece 3 is provided with a wing portion 31 protruding from the side, the wing portion 31 is implanted corresponding to the U-shaped slide groove 121 and forms an anti-retraction clamping connection with the first stop portion 122. Further, the first stop portion 122 is a local notch structure of the U-shaped slide groove 121, and a process hole 123 opened from top to bottom is also provided on the upper side wall of the U-shaped slide groove 121, the process hole 123 is located above the first stop portion 122 and is interconnected; the implantation end of the wing portion 31 protrudes outward to form a latch tooth 311, and the latch tooth 311 is clamped into the first stop portion 122 to form an anti-retraction clamping connection, and the process hole 123 is used to provide avoidance, so that the latch tooth 311 can be driven to withdraw from the first stop portion 122. The second implantation groove 13 has two support walls 131 that are spaced apart from each other and face each other, and an introduction groove 132 is constructed in a local notch of the support wall 131, the introduction groove 132 extends along the implantation direction, and the introduction groove 132 and the support wall 131 are perpendicular to each other, and a second stop portion 133 is also provided on the inner side surface of the support wall 131; the second tongue piece 4 is provided with an introduction block 41 and a buckle 42 protruding from the side, the introduction block 41 is correspondingly inserted into the introduction groove 132, and the buckle 42 is clamped with the second stop portion 133, so that the second tongue piece 4 is implanted in the second implantation groove 13 and is located between the two support walls 131.

[0029] During production, several terminals 2 are first arranged and then injection molded together with the first tongue piece 3 and the second tongue piece 4 respectively. The first tongue piece 3 and the second tongue piece 4 are spaced apart on the axis of the terminal. Then the terminal is bent accordingly to obtain the contact portion 21, the first straight portion 22, the second straight portion 23 and the welding portion 24. The first straight portion 22 and the second straight portion 23 are respectively fixedly connected to the first tongue piece 3 and the second tongue piece 4; then the first tongue piece 3 is implanted into the first implantation groove 12, and the second tongue piece 4 is implanted into the second implantation groove 13, so that several terminals 2 are assembled together on the insulating body 1. Among them, the first tongue piece 3 is pushed straight into the first implantation groove 12 through the U-shaped slide groove 121 corresponding to the wing 31. After being assembled in place, the locking tooth 311 at the implantation end of the wing 31 is naturally locked into the first stop portion 122 to form an anti-retreat connection, so that the first tongue piece 3 is stably installed in the first implantation groove 12, and the contact portion 21 is correspondingly implanted into the plug-in cavity 11 through the avoidance portion 14 and exposed in the plug-in cavity 11 in an inclined posture. The bent end of the contact portion 21 just stays in the avoidance portion 14, and the partition 15 effectively separates and positions the contact portion 21, so that the contact portion 21 can be effectively set according to the preset state, is not easy to deform or twist, and helps to improve the usability of plug-in. The second tongue piece 4 is pressed into the board surface, corresponding to the left and right supporting walls 131, and is guided by the guide block 41 inserted into the guide groove 132 to obtain positioning assembly. After the second tongue piece 4 is pressed in, the undercut 42 is engaged with the second stop 133, so that the second tongue piece 4 is implanted in the second implantation groove 13 and located between the two supporting walls 131. The first tongue piece 3 and the second tongue piece 4 are both assembled from the rear end of the insulating body, and the assembly form is coordinated and smooth, which improves the convenience of installation and effectively ensures the form of the terminal to prevent bending and deformation caused by external assembly force.

[0030] The utility model forms a module of the terminal by injection molding, and then assembles it to the insulating body, which can reduce the defects caused by the traditional terminal directly inserted into the insulating body, and the terminal can be bent after injection molding, so as to ensure the stability of the terminal molding size and structure, which is conducive to production and assembly; modular assembly is convenient for automated production, and also ensures the assembly structure and quality, and is also convenient for disassembly and maintenance.

[0031] Although the preferred specific embodiments of the present invention are described above in conjunction with the accompanying drawings, the present invention should not be limited to the structures and operations that are exactly the same as the above description and the accompanying drawings. For those skilled in the art, many equivalent improvements and changes can be made to the above embodiments through logical analysis, reasoning or limited experiments without exceeding the concept and scope of the present invention, but these improvements and changes should all fall within the scope of protection required by the present invention.

Claims

1. The assembly structure of the RJ45 socket connector is characterized in that: have: An insulating body (1), the insulating body (1) having a connection cavity (11) formed inwardly from the front end, and a first implantation groove (12) and a second implantation groove (13) which are inwardly concave from the rear end and are connected to each other; A plurality of terminals (2), wherein the terminals (2) are bent to obtain a contact portion (21), a first straight portion (22), a second straight portion (23) and a welding portion (24), and the planes on which the first straight portion (22) and the second straight portion (23) are located intersect each other; a first tongue piece (3) is injection molded on the first straight portion (22), and a second tongue piece (4) is injection molded on the second straight portion (23), so that the plurality of terminals (2) are arranged together in a set form; the first tongue piece (3) is implanted in a first implantation groove (12) and the second tongue piece (4) is implanted in a second implantation groove (13), so that the plurality of terminals (2) are assembled together on an insulating body (1), and the contact portion (21) is exposed in an inclined posture in the plug cavity (11), and the welding portion (24) extends out from the insulating body (1); An outer iron shell (5), the outer iron shell (5) wraps the insulating body (1).

2. The assembly structure of the RJ45 socket connector according to claim 1, characterized in that: The contact portion (21) is bent backwards from the front end of the first straight portion (22), the second straight portion (23) is bent downwards from the rear end of the first straight portion (22), and the bent end of the contact portion (21) points to the second straight portion (23); the insulating body (1) is also provided with an avoidance portion (14) adapted to allow the contact portion (21) to be implanted in the plug-in cavity (11).

3. The assembly structure of the RJ45 socket connector according to claim 2, characterized in that: The avoidance portion (14) is a groove separated by a partition (15) on the insulating body (1), the number of the avoidance portions (14) is consistent with the number of the terminals (2), and the bent end of the contact portion (21) is exactly positioned in the avoidance portion (14).

4. The assembly structure of the RJ45 socket connector according to claim 1, characterized in that: The first implantation groove (12) is located on the upper side of the insertion cavity (11) and has U-shaped slide grooves (121) distributed on the left and right sides of the implantation direction, the U-shaped slide groove (121) extends along the implantation direction, and a first stopper (122) is provided in the U-shaped slide groove (121); the first tongue piece (3) is provided with a wing portion (31) protruding from the side, the wing portion (31) is implanted corresponding to the U-shaped slide groove (121) and forms an anti-retraction clamping connection with the first stopper (122).

5. The assembly structure of the RJ45 socket connector according to claim 1, characterized in that: The second implantation groove (13) is located at the rear side of the insertion cavity (11) and has two support walls (131) spaced apart from each other and facing each other, and an introduction groove (132) is constructed in a local notch of the support wall (131), the introduction groove (132) extending along the implantation direction, and the introduction groove (132) and the support wall (131) are perpendicular to each other, and a second stop portion (133) is also provided on the inner side surface of the support wall (131); the second tongue piece (4) is provided with an introduction block (41) and an undercut (42) protruding from the side, the introduction block (41) is correspondingly inserted into the introduction groove (132), and the undercut (42) is engaged with the second stop portion (133), so that the second tongue piece (4) is implanted in the second implantation groove (13) and is located between the two support walls (131).

6. The assembly structure of the RJ45 socket connector according to claim 4, characterized in that: The first stop-retraction portion (122) is a partially concave structure of the U-shaped slide groove (121), and a process hole (123) is also provided on the upper side wall of the U-shaped slide groove (121) from top to bottom, and the process holes (123) are located above the first stop-retraction portion (122) and are interconnected; the implantation end of the wing portion (31) is convexly formed with a latch tooth (311), and the latch tooth (311) is latched into the first stop-retraction portion (122) to form an anti-retraction latching connection, and the process hole (123) is used to provide avoidance, so that the latch tooth (311) can be driven to exit the first stop-retraction portion (122).

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