Through-wall wiring terminal
Through injection molding connection between braided belt and outer shell and reinforcement rib design, the stress concentration problem after the assembly of the through-wall terminals is solved, the tightness and stability of the copper row connection is achieved, and the overall stability and safety of the electrical system are improved.
Patent Information
- Application Number
- CN202422266822.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The existing wall-through terminals are prone to stress after assembly, and the outer shell is prone to cracking or loose connections, affecting the stability and safety of the electrical system.
The braided belt is used to connect the outer shell to the injection molding. The braided belt protrudes from the outer shell at both ends to facilitate the fine adjustment of the position of the copper row section. Combined with the reinforcement ribs and the plastic outer shell design, it ensures that the copper rows are connected tightly and stably.
Improve installation efficiency, ensure that the copper bars are connected tighter, avoid stress concentration, prevent cracking or loosening of the outer shell, and improve the overall stability and safety of the electrical system.
Smart Images

Figure CN223093128U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of terminal blocks, and specifically, to a wall-through terminal block. Background Art
[0002] A wall-through terminal block is a terminal block used for electrically connecting wires through a wall or an obstacle. The wall-through terminal block can be installed on a panel with a thickness of 1 mm to 10 mm, and can automatically compensate and adjust the distance of the panel thickness, so as to form a terminal row with any number of poles. Wall-through terminal blocks are commonly used between boxes, shells or walls, specifically in equipment industries such as power supplies, filters, and electrical control cabinets.
[0003] Existing wall-through terminal blocks usually use hard copper bars as conductors. After the hard copper bars are installed on the outer shell, and the outer shell is fixed on the box body, the installation position of the hard copper bars will be fixed and cannot be adjusted floatingly. When the conductors connected to the hard copper bars inside the outer shell are also hard copper bars, that is, when facing the butt joint between hard copper bars, due to product and assembly tolerances, stress will occur after assembly. Since the stress cannot be released, the outer shell is prone to cracking or the risk of connection loosening after a long time, affecting the overall stability and safety of the electrical system.
[0004] The above defects need to be solved urgently. Summary of the Utility Model
[0005] In order to solve the problems that stress will occur after assembly of the existing wall-through terminal block, and the outer shell is prone to cracking or connection loosening, the utility model provides a wall-through terminal block.
[0006] The technical solution of the utility model is as follows:
[0007] A wall-through terminal block includes a current guide body and an outer shell. The current guide body includes a braided belt, the braided belt is injection-molded and connected to the outer shell, copper bar segments are respectively arranged at opposite ends of the braided belt, and the two ends of the braided belt protrude from the ends of the outer shell, so as to facilitate fine adjustment of the positions of the copper bar segments.
[0008] In the utility model according to the above solution, the width of the braided belt is greater than the width of the copper bar segment.
[0009] In the utility model according to the above solution, the outer shell includes a connecting part and an installation part, the installation part horizontally penetrates the connecting part, and the braided belt is arranged on the connecting part.
[0010] In the utility model according to the above solution, installation holes are arranged on the installation part, and the braided belt is arranged in the installation holes.
[0011] For the present utility model according to the above solution, the installation part horizontally penetrates through the middle of the connection part.
[0012] For the present utility model according to the above solution, the length of the connection part is greater than the length of the installation part.
[0013] For the present utility model according to the above solution, a reinforcing rib is provided on one side of the installation part. The reinforcing rib includes a first side face and a second side face. The first side face is perpendicular to the second side face. The first side face is connected to the installation part, and the second side face is connected to the connection part.
[0014] For the present utility model according to the above solution, there are multiple reinforcing ribs, and the multiple reinforcing ribs are symmetrically arranged on the upper and lower sides of the connection part.
[0015] For the present utility model according to the above solution, the vertical cross-section of the reinforcing rib is triangular.
[0016] For the present utility model according to the above solution, connection holes are provided at the four corners of the installation part.
[0017] For the present utility model according to the above solution, its beneficial effects are as follows:
[0018] In the above wall-penetrating terminal block, the braided tape is connected to the outer shell by injection molding. The two ends of the braided tape protrude from the ends of the outer shell, so that there is a certain fine-tuning space for the copper bar section after installation. Therefore, technicians can fine-tune the position of the copper bar section according to actual needs during the installation process, improving the installation efficiency, ensuring that the connection between the copper bars is tighter and more accurate, avoiding stress concentration caused by position deviation, preventing the outer shell from cracking or connection loosening risks, and improving the overall stability and safety of the electrical system. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0020] Figure 1 is one of the structural schematic diagrams of the present utility model;
[0021] Figure 2 is the second structural schematic diagram of the present utility model;
[0022] Figure 3 is the third structural schematic diagram of the present utility model;
[0023] Figure 4Schematic structural diagram of the fluid guide
[0024] Figure 5 One of the schematic structural diagrams of the outer housing
[0025] Figure 6 Another schematic structural diagram of the outer housing
[0026] In the figure, 1 is the fluid guide; 11 is the braided belt; 12 is the copper busbar section; 121 is the copper busbar hole; 2 is the outer housing; 21 is the connecting part; 211 is the connecting hole; 22 is the mounting part; 221 is the mounting hole; 23 is the reinforcing rib. Specific implementation mode
[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0028] As Figure 1 shown, the present utility model provides a wall-through type terminal, including a fluid guide 1 and an outer housing 2. The fluid guide 1 includes a braided belt 11, and the braided belt 11 is injection-molded and connected to the outer housing 2. Copper busbar sections 12 are respectively arranged at opposite ends of the braided belt 11, and the two ends of the braided belt 11 protrude from the end of the outer housing 2, so as to facilitate fine adjustment of the position of the copper busbar sections 12, that is, to enable the copper busbar sections 12 to have a certain fine adjustment space after installation, so that technicians can fine-adjust the position of the copper busbar sections 12 according to actual needs during the installation process, improving the installation efficiency, ensuring that the connection between the copper busbars is tighter and more accurate, avoiding stress concentration caused by position deviation, preventing the outer housing 2 from cracking or loosening of the connection, and improving the overall stability and safety of the electrical system.
[0029] As Figure 1 、 Figure 4 shown, in this embodiment, the braided belt 11 is formed by braiding fine copper wires together. When the fluid guide 1 is produced, the copper busbar sections 12 are inserted into the braided belt 11, and then the two are crimped by a machine. In addition, the width of the braided belt 11 is greater than the width of the copper busbar sections 12, which is convenient for connecting the copper busbar sections 12 to the braided belt 11 and improving the assembly stability of the copper busbar sections 12 and the braided belt 11. In addition, a plurality of copper busbar holes 121 are arranged on the copper busbar sections 12, which is convenient for realizing the electrical connection of the copper busbar sections 12.
[0030] As Figure 1 、 Figure 5 、 Figure 6As shown, in this embodiment, the outer casing 2 includes a connecting portion 21 and a mounting portion 22. The connecting portion 21 is used to be mounted on the device to penetrate through the wall. Connecting holes 211 are provided at the four corners of the mounting portion 22, facilitating the connection of the outer casing 2 to the device to penetrate through the wall, and realizing the installation of the through-wall terminal. In addition, the mounting portion 22 horizontally penetrates the connecting portion 21, and the braided tape 11 is disposed on the connecting portion 21. Specifically, mounting holes 221 are provided on the mounting portion 22, and the braided tape 11 is disposed in the mounting holes 221, thereby mounting the current conductor 1 on the outer casing 2, enabling the braided tape 11 to be firmly embedded in the outer casing 2, ensuring the reliability of the electrical connection and avoiding problems such as loosening or detachment caused by vibration or external force.
[0031] It should be noted that the device to penetrate through the wall refers to between a box body, a casing or a wall, specifically in equipment industries such as power supplies, filters, and electrical control cabinets.
[0032] As Figures 1 to 3 shown, in this embodiment, the mounting portion 22 of the outer casing 2 horizontally penetrates the middle of the connecting portion 21 of the outer casing 2, achieving structural symmetry and ensuring that the connecting portion 21 can maintain a balanced stress state when bearing external forces, improving the connection stability between the connecting portion 21 and the device to penetrate through the wall. In addition, the length direction of the connecting portion 21 is perpendicular to the width direction of the mounting portion 22, facilitating the connection between the copper bar segment 12 and the rigid copper bar, thereby realizing electrical connection. Additionally, the length A1 of the connecting portion 21 of the outer casing 2 is greater than the length A2 of the mounting portion 22 of the outer casing 2, and the width B1 of the connecting portion 21 of the outer casing 2 is less than the width B2 of the mounting portion 22 of the outer casing 2, optimizing the overall space utilization rate of the outer casing 2 and taking into account the respective functional requirements of the connecting portion 21 and the mounting portion 22. The length of the connecting portion 21 of the outer casing 2 being greater than the length of the mounting portion 22 of the outer casing 2 provides a longer contact surface and more connection points for the copper bar segment 12, further enhancing the stability and reliability of the electrical connection; the width of the connecting portion 21 of the outer casing 2 being less than the width of the mounting portion 22 of the outer casing 2 helps reduce the use of materials, lower the manufacturing cost, and also improves the structural compactness of the outer casing 2 to a certain extent.
[0033] As Figure 5 、 Figure 6As shown, in this embodiment, a reinforcing rib 23 is provided on one side of the mounting portion 22, and the reinforcing rib 23 includes a first side surface and a second side surface, the first side surface is perpendicular to the second side surface, and a stable supporting structure is formed, the first side surface is connected to the mounting portion 22, and the second side surface is connected to the connecting portion 21, so as to improve the connection stability between the connecting portion 21 and the mounting portion 22 and enhance the overall rigidity of the outer shell 2. Specifically, there are multiple reinforcing ribs 23, and multiple reinforcing ribs 23 are symmetrically arranged on the upper and lower sides of the connecting portion 21, and the reinforcing ribs 23 on the upper and lower sides cooperate with each other to further enhance the overall rigidity of the outer shell 2. In addition, the vertical section of the reinforcing rib 23 is a triangle. As a stable geometric shape, the unique structural characteristics of the triangle enable the reinforcing rib 23 to more effectively disperse and resist these forces when subjected to complex force systems such as pressure and shear force, thereby greatly improving the overall strength of the outer shell 2, not only reducing the use of materials and reducing manufacturing costs, but also enabling the outer shell 2 to maintain a good performance state during long-term use.
[0034] In this embodiment, the outer shell 2 is made of plastic material. Plastic material has the advantages of light weight, corrosion resistance, and good insulation performance. Compared with traditional metal materials, the outer shell 2 made of plastic material not only reduces the overall weight, reduces the transportation and installation costs, but also better meets the pursuit of lightweight and miniaturization of modern electrical products. At the same time, the plastic material has good corrosion resistance, can effectively resist the erosion of products in harsh environments such as moisture and salt spray, and ensure the stable operation of electrical connection components under complex working conditions. In addition, the plastic material also has excellent insulation performance, can effectively isolate current, prevent the occurrence of electrical accidents such as leakage and short circuit, and ensure the personal safety of users. Of course, in actual design, the material of the outer shell 2 can be designed according to actual needs.
[0035] It should be noted that the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship in which the application product is usually placed when used, or is the orientation or position relationship commonly understood by technical personnel in this field, or is the orientation or position relationship in which the application product is usually placed when used. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.
[0036] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.
[0037] The above exemplary description of the patent of the present utility model is made in conjunction with the accompanying drawings. Obviously, the implementation of the patent of the present utility model is not limited by the above-mentioned manner. As long as various improvements are made by adopting the method concept and technical solution of the patent of the present utility model, or the concept and technical solution of the patent of the present utility model are directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.
Claims
1. A wall-through terminal block, characterized in that, It includes a current guide body and an outer housing. The current guide body includes a braided belt, and the braided belt is injection-molded and connected to the outer housing. Copper busbar segments are respectively arranged at opposite ends of the braided belt, and the two ends of the braided belt protrude from the ends of the outer housing so as to facilitate fine adjustment of the positions of the copper busbar segments.
2. The through-wall terminal according to claim 1, wherein The width of the braided belt is greater than the width of the copper busbar segment.
3. The through-wall terminal according to claim 1, wherein The outer housing includes a connecting portion and a mounting portion. The mounting portion horizontally penetrates through the connecting portion, and the braided belt is arranged on the connecting portion.
4. The through-wall terminal according to claim 3, wherein Mounting holes are arranged on the mounting portion, and the braided belt is arranged in the mounting holes.
5. The through-wall terminal according to claim 3, characterized in that The mounting portion horizontally penetrates through the middle of the connecting portion.
6. The through-wall terminal according to claim 3, characterized in that, The length of the connecting portion is greater than the length of the mounting portion.
7. The through-wall terminal according to claim 3, wherein, Reinforcing ribs are arranged on one side of the mounting portion. The reinforcing ribs include a first side surface and a second side surface. The first side surface is perpendicular to the second side surface. The first side surface is connected to the mounting portion, and the second side surface is connected to the connecting portion.
8. The through-wall terminal according to claim 7, wherein There are multiple such reinforcing ribs, and the multiple reinforcing ribs are symmetrically arranged on the upper and lower sides of the connecting portion.
9. The through-wall terminal according to claim 7, characterized in that, The vertical cross-section of the reinforcing rib is triangular.
10. The wall-through terminal according to claim 3, characterized in that Connecting holes are arranged at the four corners of the mounting portion.