RJ45 connector with limiting structure

Abstract

The utility model relates to the technical field of connectors, in particular to an RJ45 connector with a limiting structure. The electric connector comprises a plastic shell and a shielding shell wrapping the plastic shell, an insulating body is arranged in the plastic shell, a terminal set is arranged at the front end of the insulating body, a PCB is arranged in the insulating body, a plurality of welding holes corresponding to the terminal set are formed in the PCB, limiting steps are formed at the tops of terminals in the terminal set, and the steps abut against the bottoms of the welding holes; according to the utility model, after the limiting step is arranged, during welding, even if the head of the terminal is stressed by climbing tin, the step abuts against the bottom of the welding hole, and the top of the terminal does not move upwards, so that the problems that the exposed pins on the PCB are uneven in height and the installation of the plastic shell is influenced can be prevented; in addition, the phenomenon that the output ends of the terminals are uneven can be avoided, and the problems of poor contact and the like when the terminals are connected with an external connector are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to an RJ45 connector with a limiting structure. Background Art

[0002] The RJ45 connector is a commonly used interface device in network equipment, and its function is to connect network cables and network equipment.

[0003] In order to facilitate the smooth insertion of the terminals in the connector into the soldering holes of the PCB board, a conical guide structure is designed for the terminal head. However, when the PCB board is soldered, the terminal is pulled by stress due to tin climbing, which can easily lift the terminal upward, causing the exposed pins on the PCB board to appear high and low. The raised part may affect the installation of the plastic shell. At the same time, because the top of the terminal is not flush, the output end of the bottom terminal will also be uneven. When connecting to an external connector, problems such as poor contact may occur. Utility Model Content

[0004] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0005] An RJ45 connector with a limiting structure comprises a plastic shell and a shielding shell covering the plastic shell, wherein an insulating body is arranged in the plastic shell, a terminal group is arranged at the front end of the insulating body, a PCB board is arranged in the upper part of the insulating body, a plurality of welding holes corresponding to the terminal group are arranged on the PCB board, and a limiting step is formed on the top of the terminal in the terminal group, and the step abuts against the bottom of the welding hole.

[0006] Preferably, a convex ring is formed on the top of the welding hole.

[0007] Preferably, a plurality of support blocks are formed on the top of the insulating body, and the PCB board is arranged on the support blocks.

[0008] Preferably, a fixing portion is formed at the lower portion of the front end of the insulating body, and a plurality of fixing holes are formed on the fixing portion, and the terminals in the terminal group are inserted into the fixing holes from the bottom of the fixing holes for fixing.

[0009] Preferably, a plurality of limiting grooves corresponding to the fixing holes are formed at the front end of the insulating body.

[0010] Preferably, the bottom opening of the fixing hole gradually becomes smaller from outside to inside.

[0011] Preferably, the front end of the plastic shell is a plug interface, and a reinforcement block is formed on the upper part of the plug interface.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is an RJ45 connector with a limiting structure. After the limiting step is set, during welding, even if the terminal head is subjected to tin climbing force, the top of the terminal will not move upward because the step is against the bottom of the welding hole, which can prevent the exposed pin on the PCB board from being uneven and affecting the installation of the plastic shell. At the same time, it can also avoid the output end of the terminal from being uneven, preventing problems such as poor contact when connecting with an external connector.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the exploded structure of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the convex ring in the utility model.

[0018] Figure 4 It is a structural schematic diagram of the limiting step in the utility model.

[0019] Figure 5 It is a structural schematic diagram of the fixing hole in the utility model.

[0020] In the figure: 1. Plastic shell; 2. Shielding shell; 3. Insulating body; 4. Terminal group; 5. PCB board; 6. Welding hole; 7. Limiting step; 8. Raised ring; 9. Support block; 10. Fixing part; 11. Fixing hole; 12. Limiting groove; 13. Reinforcement block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figures 1 to 5 In the embodiment of the utility model, an RJ45 connector with a limiting structure includes a plastic shell 1 and a shielding shell 2 covering the plastic shell 1. An insulating body 3 is provided in the plastic shell 1. A terminal group 4 is provided at the front end of the insulating body 3. A PCB board 5 is provided in the insulating body 3. The PCB board 5 is provided with a plurality of welding holes 6 corresponding to the terminal group 4. A limiting step 7 is formed on the top of the terminal in the terminal group 4, and the step abuts against the bottom of the welding hole 6. In order to facilitate the smooth insertion of the terminal into the welding hole 6 of the PCB board 5, a conical guiding structure is designed at the terminal head. However, when the PCB board 5 is soldered, the terminal is easily lifted up due to stress and pulling due to the stress. This causes the exposed pin on the PCB board 5 to appear high and low. Phenomenon, the raised part may affect the installation of the plastic shell 1. At the same time, because the top of the terminal is not flush, the output end of the bottom terminal will also be uneven. When connecting with an external connector, problems such as poor contact may occur. In the present application, by setting the limiting step 7, during welding, even if the terminal head is subjected to tin climbing force, the top of the terminal will not move upward because the step is against the bottom of the welding hole 6, which can prevent the exposed pin on the PCB board 5 from being uneven and affecting the installation of the plastic shell 1. At the same time, it can also avoid the unevenness of the output end of the terminal, preventing problems such as poor contact when connecting with an external connector.

[0023] Furthermore, a convex ring 8 is formed on the top of the welding hole 6. By providing the convex ring 8, the connection between the terminal and the PCB board 5 can be made more stable after the terminal is welded.

[0024] Furthermore, a plurality of support blocks 9 are formed on the top of the insulating body 3, and the PCB board 5 is arranged on the support blocks 9. By arranging the support blocks 9 to support the PCB board 5, a gap can be created between the PCB board 5 and the insulating body 3 to facilitate heat dissipation.

[0025] Furthermore, a fixing portion 10 is formed at the lower front end of the insulating body 3, and a plurality of fixing holes 11 are formed on the fixing portion 10. The terminals in the terminal group 4 are inserted into the fixing holes 11 from the bottom thereof for fixing. The terminals and the fixing holes 11 are interference fit, so that the terminals can remain stable.

[0026] Furthermore, a plurality of limiting grooves 12 corresponding to the fixing holes 11 are formed at the front end of the insulating body 3 , and the setting of the limiting grooves 12 can make the terminals evenly arranged.

[0027] Furthermore, the bottom opening of the fixing hole 11 gradually becomes smaller from the outside to the inside, and the lower part of the fixing hole 11 is set to have a larger opening to facilitate the insertion of the terminal. It should be noted that the opening no longer becomes smaller after reaching the middle, so that the terminal can also remain stable in the fixing hole 11.

[0028] Furthermore, the front end of the plastic shell 1 is a plug interface, and a reinforcement block 13 is formed on the upper part of the plug interface. The RJ45 product meets the IEC60603-7 association specification requirements and the product plug interface remains intact under a tensile force of 50N for 60±5S. In the past, the wall thickness of the lock of the plastic shell 1 was too thin to meet the specification requirements; for this reason, the present application symmetrically provides reinforcement blocks 13 on the upper part of the plug interface, and the thickness of the reinforcement blocks 13 is between 1mm and 2mm, which can meet the association specification requirements.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. An RJ45 connector with a limit structure, characterized in that: It includes a plastic shell and a shielding shell covering the plastic shell. An insulating body is arranged in the plastic shell. A terminal group is arranged at the front end of the insulating body. A PCB board is arranged in the upper part of the insulating body. The PCB board is provided with a plurality of welding holes corresponding to the terminal group. A limited step is formed on the top of the terminal in the terminal group, and the step abuts against the bottom of the welding hole.

2. The RJ45 connector with a limiting structure according to claim 1, characterized in that: A raised ring is formed on the top of the welding hole.

3. The RJ45 connector with a limiting structure according to claim 1, characterized in that: A plurality of support blocks are formed on the top of the insulating body, and the PCB board is arranged on the support blocks.

4. The RJ45 connector with a limiting structure according to claim 1, characterized in that: A fixing part is formed at the lower front end of the insulating body, and a plurality of fixing holes are formed on the fixing part. The terminals in the terminal group are inserted into the fixing holes from the bottom of the fixing holes for fixing.

5. The RJ45 connector with a limiting structure according to claim 4, characterized in that: The front end of the insulating body is formed with a plurality of limiting grooves corresponding to the fixing holes.

6. The RJ45 connector with a limiting structure according to claim 4, characterized in that: The bottom opening of the fixing hole gradually becomes smaller from outside to inside.

7. The RJ45 connector with a limiting structure according to claim 1, characterized in that: The front end of the plastic shell is a plug interface, and a reinforcement block is formed on the upper part of the plug interface.

Images