Terminal wall connector

Abstract

The utility model relates to connector technical field especially, and it is a kind of terminal wall connector, including connector body, the connector body includes fixed seat, terminal component and connecting wire;The fixed seat is used to be fixedly connected with mounting surface;The fixed seat is equipped with the terminal and sets up passageway, the terminal and sets up passageway is equipped with the connecting structure for with terminal component cooperation connection, the connecting structure includes metal connecting piece, support plate, locking bolt and nut;The terminal component is connected with the terminal and sets up passageway by connecting structure;The terminal component is equipped with multiple, and the terminal component between two adjacent is equipped with baffle, the baffle one end is equipped with insertion post, the fixed seat is equipped with the insertion slot compatible with insertion post;The connecting wire is set up in the fixed seat, and is connected with connecting structure.The utility model is aimed at, provide a kind of terminal wall connector of comprehensive protection, stable structure, reliable conduction and convenient installation.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, and in particular to a terminal through-wall connector. Background Technology

[0002] Currently, terminal wall connectors are widely used in building electrical systems, industrial automation, new energy equipment and other fields to achieve conductive connections between electrical lines on both sides of a wall.

[0003] However, existing terminal wall connectors have several shortcomings: First, their protective performance is weak. Most products only provide basic protection with simple outer covers. The fit gap between the mounting base and the external structure, the front and rear openings of the terminal passage, and the conductive connection parts generally lack targeted sealing designs, allowing dust and moisture to easily penetrate the interior, causing terminal oxidation, poor contact, or even short circuits. This is especially problematic in humid and dusty industrial environments where failures are frequent. Second, their structural stability is insufficient. The mounting base often relies on a single installation structure to be fixed to the wall, which is prone to loosening under vibration. Components such as protective covers are often fixed with screws, making installation cumbersome and prone to falling off due to vibration. Third, their conductivity reliability is poor. The connection between the terminals and wires is mostly a simple socket or welding, lacking support and fastening structures. Long-term use can easily lead to increased resistance and severe overheating due to deformation and loosening. Fourth, installation and maintenance are inconvenient. Some components require multiple fasteners for fixation, resulting in low assembly efficiency and requiring the removal of a large number of screws during maintenance, making the operation complex. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a terminal through-wall connector that offers comprehensive protection, a stable structure, reliable conductivity, and convenient installation.

[0005] The present invention adopts the following technical solution: A terminal through-wall connector includes a connector body, which includes a fixing base, terminal components, and connecting wires. The fixing base is used for fixed connection with a mounting surface. The fixing base has a through terminal passage, and the terminal passage has a connecting structure for cooperating with the terminal components. The connecting structure includes a metal connecting piece, a support plate, a locking bolt, and a nut. The terminal components are connected to the terminal passage through the connecting structure. There are multiple terminal components, and a baffle is provided between two adjacent terminal components. One end of the baffle has a plug, and the fixing base has a slot adapted to the plug. The connecting wire passes through the fixing base and is connected to the connecting structure.

[0006] A further improvement to the above technical solution is that a protective ring is provided on the outer side of the fixing seat, and the protective ring is used to achieve sealing protection between the fixing seat and the external structure when the fixing seat is fitted together.

[0007] A further improvement to the above technical solution is that a rear cover plate is connected to one end of the fixed seat away from the protective ring, and the top of the rear cover plate is provided with a mounting ear, which is used to fix and connect to the back of the fixed seat.

[0008] A further improvement to the above technical solution is that a protective plug is provided on one side of the rear cover plate. The protective plug is inserted into the end of the terminal passage away from the terminal component. The protective plug has a second wire hole for the connecting wire to pass through to the outside.

[0009] A further improvement to the above technical solution is that the terminal component includes a connecting part and a sleeve part integrally formed with the connecting part; the connecting part is connected to the connecting structure; the sleeve part is a hollow sleeve for connecting and mating with external wires.

[0010] A further improvement to the above technical solution is that a terminal sleeve is fitted onto one end of the connecting wire away from the fixing base, and the terminal sleeve is used to connect to an external wire.

[0011] A further improvement to the above technical solution is that the metal connecting piece is electrically connected to the connecting wire and the connecting part of the terminal component respectively; the support plate abuts against the bottom of the metal connecting piece; the locking bolt is sequentially inserted through the connecting part of the metal connecting piece and the terminal component; the nut is threadedly engaged with the locking bolt and is fitted on the top of the connecting part.

[0012] A further improvement to the above technical solution is that the metal connecting piece is fitted with a protective cover box, which is used to protect the connection part between the connecting wire and the metal connecting piece.

[0013] A further improvement to the above technical solution is that the bottom of the protective cover box is provided with several plug-in posts, which are respectively plugged into the metal connecting piece and the tray.

[0014] A further improvement to the above technical solution is that the protective cover box is provided with snap-fit ​​pieces on both sides, and the side walls of the terminal through-channel are provided with snap-fit ​​protrusions, the snap-fit ​​protrusions and the snap-fit ​​pieces forming a limiting fit.

[0015] The beneficial effects of this utility model are as follows: This utility model achieves performance improvements in four dimensions—protection, structure, conductivity, and installation—through the collaborative design of its various components. In terms of protection, the protective ring, rear cover, protective plug, protective cover box, and terminal sleeve form a complete protection chain, sealing or shielding the gap between the mounting base and the external structure, the rear end of the mounting base, the rear end of the terminal penetration channel, the conductive connection points, and the ends of the wires, comprehensively isolating dust and moisture and reducing the risk of failure. Regarding structural stability, the mounting base provides basic wall-penetrating positioning, the mounting ears enhance fixing strength, the support plate supports the metal connecting piece, the snap-fit ​​piece and snap-fit ​​protrusion, and the plug-in post respectively limit the displacement of the protective cover box, and the locking bolt and nut secure the conductive connection. Multiple parts work together to prevent components from loosening, falling off, or deforming. In terms of conductive reliability, the metal connecting piece ensures low-resistance conductivity, the one-piece molded terminal component reduces connection risks, and the locking bolt and nut ensure tight contact, avoiding overheating or signal interruption due to connection problems. In terms of installation and maintenance, the socket simplifies wire connection, the plug-in post and snap-fit ​​structure require no additional fasteners, and the detachable design facilitates later maintenance. Overall, the synergistic effect of the components gives the connector high protection, high stability, high conductivity, and convenience, making it suitable for complex working conditions and extending its service life. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the terminal through-wall connector of this utility model; Figure 2 for Figure 1 A schematic diagram of the terminal through-wall connector from another angle; Figure 3 for Figure 2 Exploded view of a through-wall connector with terminals; Figure 4 for Figure 3 A close-up view of circle A of the through-wall connector; Figure 5 for Figure 2 A schematic diagram of the mounting base for a through-wall connector.

[0017] The numbers on the map are: 10. Connector body; 11. Mounting surface; 20. Mounting base; 21. Protective ring; 22. Slot; 30. Terminal component; 31. Connecting part; 32. Sleeve part; 33. Baffle; 34. Insert post; 40. Connecting wire; 41. Terminal sleeve; 50. Terminal insertion channel; 51. Snap-fit ​​protrusion; 60. Connecting structure; 61. Metal connecting piece; 62. Support plate; 63. Locking bolt; 64. Nut; 70. Rear cover plate; 71. Mounting ear; 72. Protective plug; 73. Second wiring hole; 80. Protective cover box; 81. Insertion post; 82. Snap-fit ​​piece. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In the description of this utility model, it should be noted that the terms "vertical direction," "up," "down," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] like Figures 1 to 5The diagram illustrates an embodiment of the present invention, relating to a terminal through-wall connector, comprising a connector body 10, which includes a fixing base 20, terminal components 30, and connecting wires 40. The fixing base 20 is used for fixed connection with a mounting surface 11. The fixing base 20 has a through-hole terminal passage 50, and the terminal passage 50 has a connecting structure 60 for cooperating with the terminal components 30. The connecting structure 60 includes a metal connecting piece 61, a support plate 62, a locking bolt 63, and a nut 64. The terminal components 30 are connected to the terminal passage 50 through the connecting structure 60. Multiple terminal components 30 are provided, and a baffle 33 is provided between two adjacent terminal components 30. One end of the baffle 33 is provided with a post 34, and the fixing base 20 has a slot 22 adapted to the post 34. The connecting wires 40 pass through the fixing base 20 and are connected to the connecting structure 60. Specifically, the connector body 10 integrates the fixing base 20, terminal component 30, and connecting wire 40 to form a complete through-wall connection system. The fixing base 20 can be stably fixed to the mounting surface 11 such as the wall, providing a reliable through-wall installation reference for the entire connector and avoiding displacement due to external forces during use; the through terminal passage 50 provides dedicated assembly space for the terminal component 30, preventing interference between the terminal and other components; the combination of the metal connecting piece 61, support plate 62, locking bolt 63, and nut 64 in the connection structure 60 can not only achieve precise docking between the terminal component 30 and the connecting wire 40, but also ensure the conductivity reliability of both. The support plate 62 supports the metal connecting piece 61 and prevents its deformation, while the tightening of the locking bolt 63 and nut 64 prevents the connection from loosening. Overall, it lays the core foundation for the through-wall connection of the terminal in terms of fixation, conductivity, and anti-interference, meeting the basic through-wall conductivity requirements.

[0022] like Figure 2 As shown, a protective ring 21 is provided on the outer side of the fixing base 20. The protective ring 21 is used to achieve a sealing protection between the fixing base 20 and the external structure when they are fitted together. Specifically, the protective ring 21 is set on the outer side of the fixing base 20, specifically for the fitting scenario of the fixing base 20 with the external structure (such as a protective cover, wall mounting hole, etc.). It can fill the gap between the fixing base 20 and the external structure, forming a sealing barrier, effectively preventing external dust, moisture, oil and other impurities from entering the connector from the gap, avoiding short circuits, poor contact or oxidation and corrosion problems of the internal terminal components 30 and metal connecting pieces 61 due to foreign matter adhesion, significantly improving the sealing protection level of the connector, making the connector suitable for humid and dusty industrial or outdoor environments, and extending the service life of internal components.

[0023] like Figure 3As shown, a rear cover plate 70 is connected to the end of the fixing base 20 away from the protective ring 21. The top of the rear cover plate 70 is provided with a mounting ear 71, which is used to fix the fixing base 20 to the back. Specifically, the rear cover plate 70 is connected to the end of the fixing base 20 away from the protective ring 21, which can directly form a physical shield for the rear end of the fixing base 20, preventing foreign objects from entering the interior from the rear opening and protecting the connection structure 60 and terminal component 30 in the terminal passage channel 50. The mounting ear 71 at the top can further strengthen the connection strength between the fixing base 20 and the mounting surface 11 such as the wall. When the mounting structure of the fixing base 20 itself is not strong enough, the mounting ear 71 can be fixed to the wall with additional fasteners to avoid tilting or loosening caused by the fixing base 20 being stressed on only one side, thereby improving the installation stability of the entire connector, which is especially suitable for equipment scenarios with high vibration frequency.

[0024] like Figure 3 As shown, a protective plug 72 is provided on one side of the rear cover plate 70. The protective plug 72 is inserted into the end of the terminal passage 50 away from the terminal member 30. The protective plug 72 has a second wire-passing hole 73, which is used for the connecting wire 40 to pass through to the outside. Specifically, the protective plug 72 is inserted into the end of the terminal passage 50 away from the terminal member 30, which can specifically block the rear opening of the passage; the second wire-passing hole 73 ensures that the connecting wire 40 can pass through smoothly to the outside, and can also seal the wire-passing gap through the structural characteristics of the protective plug 72 itself (such as the elastic material conforming to the wire), preventing dust and moisture from entering from the wire-passing point. This design achieves both "wire passage" and "rear-end sealing", solving the problem of gaps easily left after wire passage in traditional connectors, and further improving the rear-end protection of the connector.

[0025] like Figure 2 As shown, the terminal component 30 includes a connecting portion 31 and a sleeve portion 32 integrally formed with the connecting portion 31; the connecting portion 31 is connected to the connecting structure 60; the sleeve portion 32 is a hollow sleeve used for connecting with external wires. Specifically, the connecting portion 31 of the terminal component 30, in conjunction with the connecting structure 60, is the core interface for achieving conductive connection between the terminal and the wire, ensuring tight contact with the metal connecting piece 61 and reducing conductive resistance; the sleeve portion 32 adopts a hollow sleeve design, which can quickly connect with external wires (such as equipment-side wires), simplifying the assembly process and eliminating the need for additional welding or winding; and the integral formation of the connecting portion 31 and the sleeve portion 32, compared to a split structure, eliminates gaps and connection risks at the component splicing points, improves the overall structural strength of the terminal component 30, avoids separation of the sleeve portion 32 and the connecting portion 31 due to wire pulling during use, and reduces assembly errors, ensuring the stability of the conductive path. like Figure 2As shown, a terminal sleeve 41 is fitted onto the end of the connecting wire 40 facing away from the fixing base 20. The terminal sleeve 41 is used to connect with an external wire. Specifically, the terminal sleeve 41 is directly fitted onto the exposed end of the connecting wire 40. On the one hand, it can protect the metal core wire at the end of the wire, preventing it from being worn or deformed due to friction or collision during transportation and installation, or from oxidation and corrosion due to exposure to air. On the other hand, the terminal sleeve 41 can standardize the shape of the wire end, assisting the connection between the connecting wire 40 and external electrical equipment (such as terminals or sockets), improving alignment accuracy, avoiding poor contact caused by scattered core wires, and ensuring the continuity of current or signal transmission. It is especially suitable for scenarios that require frequent plugging and unplugging or docking.

[0026] like Figure 4 As shown, the metal connecting piece 61 is electrically connected to the connecting wire 40 and the connecting portion 31 of the terminal component 30, respectively; the support plate 62 abuts against the bottom of the metal connecting piece 61; the locking bolt 63 is sequentially inserted through the metal connecting piece 61 and the connecting portion 31 of the terminal component 30; the nut 64 is threadedly engaged with the locking bolt 63 and is fitted above the connecting portion 31. Specifically, the metal connecting piece 61, as a conductive core component, ensures good conductivity between the connecting wire 40 and the connecting portion 31 of the terminal component 30, reduces resistance, and avoids heat generation; the support plate 62 abuts against the bottom of the metal connecting piece 61, providing support for the connecting piece and preventing deformation due to stress or long-term use, ensuring stable conductive contact area; the locking bolt 63 is sequentially inserted through the connecting piece and the connecting portion 31 of the terminal component 30, and is tightened with the thread of the nut 64, achieving a tight connection between the two, preventing loosening due to vibration, and ensuring a continuous and reliable conductive path.

[0027] like Figure 3 As shown, the metal connecting piece 61 is plugged into a protective cover box 80, which is used to protect the connection between the connecting wire 40 and the metal connecting piece 61. Specifically, the protective cover box 80 can directly cover the connection between the metal connecting piece 61 and the connecting wire 40, isolating it from external dust and moisture, and preventing short circuits, leakage, or poor contact at the connection point. The bottom plug-in post 81 can be plugged into the metal connecting piece 61 and the support plate 62 respectively, which can quickly complete the installation and positioning of the protective cover box 80, and enhance its connection stability with the components below, preventing the protective cover box 80 from shifting or falling off due to external force during use, and ensuring continuous protection of the connection point.

[0028] like Figure 3As shown, the bottom of the protective cover box 80 is provided with several insertion posts 81, which are respectively inserted into the metal connecting piece 61 and the support plate 62. Specifically, the insertion posts 81 at the bottom of the protective cover box 80 can be inserted into the metal connecting piece 61 and the support plate 62 respectively. On the one hand, the installation of the protective cover box 80 can be completed without additional fasteners (such as screws), simplifying the assembly process and improving installation efficiency. On the other hand, the insertion fit can limit the lateral and longitudinal displacement of the protective cover box 80, avoiding the protective cover box 80 from shifting or falling off due to equipment vibration or wire shaking, ensuring that the protective cover box 80 always accurately covers the connection parts and continuously plays a protective role, taking into account both installation convenience and structural stability.

[0029] like Figure 3 and Figure 5 As shown, the protective cover box 80 has snap-fit ​​tabs 82 on both sides, and the terminal passage channel 50 has snap-fit ​​protrusions 51 on both side walls. The snap-fit ​​protrusions 51 and the snap-fit ​​tabs 82 form a limiting fit. Specifically, the limiting fit between the snap-fit ​​tabs 82 and the snap-fit ​​protrusions 51 can provide precise positioning during the installation of the protective cover box 80, guiding the protective cover box 80 to quickly align with the metal connecting piece 61 and the support plate 62, reducing assembly deviation. At the same time, the snap-fit ​​structure can further enhance the connection strength between the protective cover box 80 and the terminal passage channel 50, preventing the protective cover box 80 from coming out of the channel due to external forces (such as wire pulling or equipment vibration) during use. In addition, the detachable nature of the snap-fit ​​fit also facilitates later maintenance. When it is necessary to inspect the connection part, only external force needs to be applied to separate the snap-fit ​​tabs 82 and the snap-fit ​​protrusions 51, and remove the protective cover box 80 without damaging the parts, thus balancing stability and ease of maintenance.

[0030] The working principle of this utility model is as follows: During installation, first, fix the mounting base 20 to the mounting surface 11 such as the wall using its own mounting structure. If more stability is required, additional fasteners can be used to assist in fixing it using the mounting ears 71 on the top of the rear cover plate 70. Then, place the connecting part 31 of the terminal component 30 into the terminal passage channel 50 of the mounting base 20, so that the metal connecting piece 61 in the connecting structure 60 fits against the connecting part 31 of the terminal component 30 and the connecting wire 40 passing through the mounting base 20. Then, place the support plate 62 against the bottom of the metal connecting piece 61, and pass the metal connecting piece 61 and the connecting part 31 of the terminal component 30 in sequence using the locking bolts 63. Finally, tighten the nut 64 and fit it against the top of the connecting part 31. First, secure the conductive connection. Then, insert the protective plug 72 into the end of the terminal passage 50 away from the terminal component 30, so that the connecting wire 40 passes through the second wire hole 73 of the protective plug 72. Next, connect the rear cover plate 70 to the end of the fixing base 20 away from the protective ring 21. Then, attach the terminal sleeve 41 to the end of the connecting wire 40 away from the fixing base 20 for subsequent docking with external equipment. Finally, insert the protective cover box 80 into the metal connecting piece 61 and the support plate 62 through the bottom insertion post 81. At the same time, make the snap-fit ​​pieces 82 on both sides of the protective cover box 80 and the snap-fit ​​protrusions 51 on both sides of the terminal passage 50 form a limiting fit to complete the overall assembly. During operation, external wires on one side of the wall are connected through the socket 32 ​​of the terminal component 30, and then conducted to the connecting wire 40 through the connecting part 31 and the metal connecting piece 61 of the terminal component 30. The connecting wire 40 then passes through the second wire hole 73 of the protective plug 72 and the terminal sleeve 41 to achieve conductive connection with the external equipment on the other side of the wall. Each protective component (protective ring 21, rear cover plate 70, protective plug 72, protective cover box 80, terminal sleeve 41) continuously isolates external impurities, and each fixing and limiting structure (mounting ear 71, support plate 62, locking bolt 63, snap-fit ​​piece 82, plug post 81) ensures stable cooperation of the components, and finally achieves reliable terminal through-wall conductive function.

[0031] The above description merely illustrates the preferred technical solution of this utility model, and while the description is relatively specific and detailed, it should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and this utility model also intends to include these modifications and variations.

Claims

1. A terminal through-wall connector, characterized in that, The connector includes a connector body, which comprises a mounting base, terminal components, and connecting wires. The mounting base is used for fixed connection with a mounting surface. The mounting base has a through terminal passage, and the terminal passage has a connecting structure for cooperating with the terminal components. The connecting structure includes a metal connecting piece, a support plate, a locking bolt, and a nut. The terminal components are connected to the terminal passage through the connecting structure. There are multiple terminal components, and a baffle is provided between two adjacent terminal components. One end of the baffle has a plug, and the mounting base has a slot adapted to the plug. The connecting wires pass through the mounting base and are connected to the connecting structure.

2. The terminal through-wall connector according to claim 1, characterized in that, The outer side of the fixing seat is provided with a protective ring, which is used to achieve a sealing protection between the fixing seat and the external structure when the fixing seat is fitted together.

3. The terminal through-wall connector according to claim 1, characterized in that, The end of the fixing seat away from the protective ring is connected to a rear cover plate, and the top of the rear cover plate is provided with a mounting ear, which is used to fix and connect to the back of the fixing seat.

4. The terminal through-wall connector according to claim 3, characterized in that, A protective plug is provided on one side of the rear cover plate. The protective plug is inserted into the end of the terminal passage away from the terminal component. The protective plug has a second wire hole for the connecting wire to pass through to the outside.

5. The terminal through-wall connector according to claim 1, characterized in that, The terminal component includes a connecting part and a sleeve part integrally formed with the connecting part; the connecting part is connected to the connecting structure; the sleeve part is a hollow sleeve for connecting and mating with external wires.

6. The terminal through-wall connector according to claim 1, characterized in that, The end of the connecting wire away from the fixed base is fitted with a terminal sleeve, which is used to connect to an external wire.

7. The terminal through-wall connector according to claim 1, characterized in that, The metal connecting piece is electrically connected to the connecting wire and the terminal component respectively; the support plate abuts against the bottom of the metal connecting piece; the locking bolt is sequentially inserted through the connecting part of the metal connecting piece and the terminal component; the nut is threadedly engaged with the locking bolt and is fitted on the top of the connecting part.

8. The terminal through-wall connector according to claim 1, characterized in that, The metal connector is fitted with a protective cover, which is used to protect the connection between the connecting wire and the metal connector.

9. The terminal through-wall connector according to claim 8, characterized in that, The bottom of the protective cover box has several insertion posts, which are respectively inserted and engaged with the metal connecting piece and the tray.

10. The terminal through-wall connector according to claim 9, characterized in that, The protective cover box has snap-fit ​​tabs on both sides, and the terminal through-channel has snap-fit ​​protrusions on both sides. The snap-fit ​​protrusions and snap-fit ​​tabs form a limiting fit.

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