Wiring structure and junction box

Abstract

The utility model relates to a wiring structure and a wiring box, and relates to the technical field of photovoltaic equipment wiring, the wiring structure comprises a wiring board and a sealing groove, the periphery of the wiring board is provided with a sealing strip, the wiring board is inserted into the sealing groove, and the sealing strip is in interference fit with the sealing groove; the wiring board is also provided with a wiring part, and the wiring part allows the cable to pass through and seals the cable. Through the design of the wiring board and the sealing groove, the sealing strip and the sealing groove are in interference fit, so that a good sealing effect can be provided, external substances such as moisture and dust are effectively prevented from invading a to-be-wired piece, and a cable and equipment are protected from being damaged; moreover, the design of the wiring board enables the installation process of the whole wiring structure to be simple and rapid, does not need to add an additional adapter for fixation, and can complete the installation only through the plugging, matching and fixing of the wiring board and the sealing groove, thereby improving the use convenience of a user, enabling the maintenance to be more convenient, and saving the time and cost.

Description

Technical Field

[0001] The present application relates to the technical field of photovoltaic equipment wiring, and in particular to a wiring structure and a wiring box. Background Art

[0002] In recent years, with the rapid development of the solar industry and technological progress, high-power string photovoltaic equipment has also been evolving and developing. As the scale of photovoltaic equipment continues to expand and the scope of application continues to increase, ensuring the waterproof performance of the equipment is crucial to ensure long-term stable operation of the equipment and extend the life of the equipment.

[0003] At present, the AC wiring waterproof structure of high-power string photovoltaic equipment has the problems of low operating efficiency and inconvenience for users. In order to achieve waterproof and wiring functions at the same time, the existing technology adopts a complex maze design or a multi-part matching scheme. In the existing method, a threading waterproof component and a mounting groove are usually set in the box, and a cavity with four sides for sealing is formed between the mounting groove and the upper cover of the box. The cavity is located inside the box, and the threading waterproof component is placed in this cavity. The threading waterproof component consists of a waterproof wiring board and a sealing plate arranged around the waterproof wiring board. The sealing plate is fixed to the box by screws, and the sealing plate of the threading waterproof component is provided with sealing strips around it, so as to achieve sealing with the box cavity. However, the wiring waterproof structure of the prior art needs to add additional fixation due to the existence of adapters, and the operation process is complicated, resulting in poor user convenience. Utility Model Content

[0004] In order to solve the problem that the installation process of the existing wiring waterproof structure is complicated and the convenience is poor, the present application provides a wiring structure and a wiring box.

[0005] The present application provides a wiring structure and a wiring box adopting the following technical solutions:

[0006] A wiring structure is used to introduce a cable into a to-be-wired component, the wiring structure comprising a wiring board and a sealing groove, a sealing strip is provided at the periphery of the wiring board, the wiring board is inserted into the sealing groove and the sealing strip and the sealing groove are interference fit; the wiring board is also provided with a wiring portion, the wiring portion is for the cable to pass through and seals the cable.

[0007] By adopting the above technical solution, during installation, the cables are introduced through the wiring part and the cables inside the wiring part are sealed, and then the wiring board is inserted into the sealing groove. At this time, the sealing strip on the wiring board and the sealing groove have an interference fit to achieve the sealing of the wiring board and the sealing groove. The present application uses the design of the wiring board and the sealing groove, and the interference fit between the sealing strip and the sealing groove can provide a good sealing effect, effectively prevent external substances such as moisture and dust from invading the wiring parts to be connected, protect the cables and equipment from damage, and ensure the sealing effect during long-term use. The design of the wiring board makes the installation process of the entire wiring structure simple and quick, without the need to add additional adapters for fixing. The installation can be completed by simply plugging and fixing the wiring board and the sealing groove, thereby improving user convenience. At the same time, it is also more convenient during maintenance, saving time and cost.

[0008] In a specific possible implementation manner, sealing strips are provided on both opposite sides of the wiring board.

[0009] By adopting the above technical solution, during installation, the terminal block is inserted into the sealing groove. At this time, the sealing strips on both sides are interference fit with the sealing groove. By providing sealing strips on both sides, double sealing protection can be provided, which effectively prevents moisture, dust and other external substances from invading the wiring components to be connected, thereby enhancing the sealing performance.

[0010] In a specific possible implementation manner, the wiring board is further provided with a top plate, and the top plate is clamped on the notch of the sealing groove.

[0011] By adopting the above technical solution and utilizing the design of the top plate being clamped on the notch of the sealing groove, the installation stability between the terminal block and the sealing groove can be improved, the stability of the overall structure can be improved, and the integrity of the sealing structure between the terminal block and the sealing groove can be strengthened.

[0012] In a specific embodiment, the sealing strip extends to the top plate and at least partially covers the top plate.

[0013] By adopting the above technical solution and utilizing the design in which the sealing strip extends to the top plate, the sealing effect can cover all joints on the wiring board, further improving the overall sealing performance.

[0014] In a specific possible implementation manner, a metal plate is provided inside the wiring board, and the metal plate is arranged away from the wiring portion.

[0015] By adopting the above technical solution, the design of the metal plate can enhance the overall structural stability of the terminal block and prevent the terminal block from bending or deforming during use; and the metal plate can also provide support for the terminal block, reduce the deflection and fatigue of the terminal block, extend the service life of the terminal block, and reduce maintenance costs.

[0016] In a specific feasible implementation scheme, a plurality of sealing rings are provided on the wiring portion, and the plurality of sealing rings are arranged along the axial direction of the wiring portion, and the sealing rings lock and seal the cables passing through the wiring portion; the diameter of the sealing rings gradually decreases from the side close to the wiring board to the side away from the wiring board.

[0017] By adopting the above technical solution, during installation, the cable is inserted into the wiring part and gradually passes through the wiring part. At this time, by utilizing the setting of the sealing ring, the sealing ring is gradually tightened when the cable passes through the wiring part, exerting pressure on the cable, thereby locking the cable to achieve sealing of the cable; and because the cables have different diameters, the gradually decreasing design of the sealing ring can better adapt to cables of different diameters, thereby ensuring that cables of different specifications can be effectively locked and sealed.

[0018] In a specific possible implementation manner, the terminal block is further provided with at least one anti-dropout protrusion, the sealing groove is provided with a recess corresponding to the anti-dropout protrusion, and the anti-dropout protrusion is inserted into the recess.

[0019] By adopting the above technical solution, during installation, the terminal block is inserted into the sealing groove. When the anti-dropping protrusion on the terminal block encounters the recess in the sealing groove, the anti-dropping protrusion is inserted into the recess, thereby enabling the terminal block to be stably fixed in the sealing groove. The design of the anti-dropping protrusion and the recess effectively prevents the terminal block from deflecting or moving in the sealing groove, thereby enabling the cable to be firmly and safely fixed in its wiring position.

[0020] A junction box comprises the above-mentioned junction structure, wherein the junction box comprises a box body and a cover plate, the box body is provided with an opening, and the cover plate is sealed on the opening; the sealing groove of the junction structure is provided on one side of the box body and is connected to the opening, the junction board is inserted into the sealing groove along the opening, and the cable is introduced into the box body through the junction part of the junction structure.

[0021] By adopting the above technical solution, during installation, the cable is first passed through the wiring part of the wiring structure, and then the wiring board is inserted into the sealing groove of the box along the box opening. At this time, the cable is introduced into the box through this wiring structure for connection or wiring work, and finally the cover plate is placed on the opening to seal the box so that the wiring board is fixed in the sealing groove; the wiring box of the present application utilizes the design of the wiring structure to realize the introduction of cables and realize the waterproof sealing of the wiring box, effectively protecting the cables and equipment in the box from water damage, and the installation process between this wiring structure and the wiring box is simple, and the overall operation is convenient and fast.

[0022] In a specific possible implementation mode, the top plate of the wiring board is clamped on the notch of the sealing groove, and the cover plate is provided with a sealing gasket, which is in contact with and fits with the top plate and the surface of the box body close to the opening.

[0023] By adopting the above technical solution, the sealing gasket provided on the cover plate is arranged in a fitting relationship with the top plate and the box body, so as to ensure the sealing reliability between the cover plate and the wiring structure and the box body, thereby improving the overall sealing effect of the junction box.

[0024] In a specific possible implementation manner, the sealing gasket is circumferentially arranged along the outer edge of the cover plate.

[0025] By adopting the above technical solution, the sealing gasket is arranged circumferentially along the outer edge of the cover plate, thereby ensuring that the sealing gasket completely covers the outer edge of the cover plate, thereby effectively preventing liquid or gas from leaking or penetrating from the outer edge of the cover plate, and can improve the uniformity and stability of the sealing effect, ensuring that the connection between the sealing gasket and the cover plate is tight and reliable, thereby effectively protecting the components inside the junction box and improving the performance and reliability of the junction box.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. The wiring structure of the present application can provide a good sealing effect through the design of the terminal block and the sealing groove, and the interference fit between the sealing strip and the sealing groove can effectively prevent external substances such as moisture and dust from invading the wiring parts to be connected, and protect the cables and equipment from damage; and the design of the terminal block makes the installation process of the entire wiring structure simple and quick, without the need to add additional adapters for fixing, and the installation can be completed by simply plugging and fixing the terminal block and the sealing groove, which improves user convenience and is also more convenient during maintenance, saving time and cost.

[0028] 2. The wiring structure of the present application utilizes the design of the metal plate to enhance the overall structural stability of the wiring board and prevent the wiring board from bending or deforming during use; and the metal plate can also provide support for the wiring board, reduce the deflection and fatigue of the wiring board, extend the service life of the wiring board, and thus reduce maintenance costs;

[0029] 3. The junction box of the present application utilizes the design of the wiring structure to realize the introduction of cables and achieve waterproof sealing of the junction box, effectively protecting the cables and equipment in the box from water damage, and the installation process between this wiring structure and the junction box is simple, without the need to add additional adapters for fixing, and the installation can be completed by simply plugging and fixing the terminal board with the sealing groove on the box. The overall operation is convenient and quick, which improves user convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural diagram of the wiring structure in Example 1 of the present application.

[0031] Figure 2 It is a cross-sectional view used to show the wiring structure.

[0032] Figure 3 It is a structural schematic diagram of the junction box in the second embodiment of the present application.

[0033] Figure 4 It is a cross-sectional view used to show the wiring structure and junction box.

[0034] Figure 5 yes Figure 4 Enlarged view of part A in the middle.

[0035] Figure 6 It is a structural diagram of the wiring structure in Example 3 of the present application.

[0036] Explanation of the reference numerals: 1. Wiring structure; 2. Wiring board; 21. Sealing strip; 22. Top plate; 23. Anti-slip convex portion; 3. Sealing groove; 31. Concave portion; 4. Wiring portion; 41. Sealing ring; 5. Metal plate; 6. Junction box; 61. Box body; 611. Opening; 62. Cover plate; 621. Sealing gasket. DETAILED DESCRIPTION

[0037] The following is combined with Figure 1-6 This application is described in further detail.

[0038] Embodiment 1

[0039] Please refer to Figure 1 and Figure 2 As shown, the embodiment of the present application discloses a wiring structure for introducing a cable into a to-be-wired component; the wiring structure 1 includes a wiring board 2 and a sealing groove 3. In the present embodiment, the wiring board 2 is an elastic board, and the cross-sectional shape of the wiring board 2 includes but is not limited to a trapezoid. The sealing groove 3 is a groove with two ends through, and the sealing groove 3 is a trapezoidal groove corresponding to the shape of the wiring board 2, and the groove bottom width of the sealing groove 3 is smaller than the groove width;

[0040] A sealing strip 21 is provided at the periphery of the terminal block 2. In the present embodiment, the terminal block 2 and the sealing strip 21 are formed in one piece, but not limited to, and the sealing strip 21 is an elastic strip. The terminal block 2 is inserted into the sealing groove 3 and the sealing strip 21 is interference fit with the sealing groove 3. The sealing strip 21 is elastically deformed to achieve interference fit with the sealing groove 3.

[0041] The front and back sides of the terminal block 2 are both provided with sealing strips 21. In the present embodiment, the front and back sides of the terminal block 2 include but are not limited to two sealing strips 21. When installing, the terminal block 2 is inserted into the sealing groove 3. At this time, the sealing strips 21 on both sides are interference fit with the sealing groove 3. The sealing strips 21 on both sides can provide double sealing protection between the terminal block 2 and the sealing groove 3, effectively preventing external substances such as moisture and dust from invading the wiring parts to be connected, and enhancing the sealing performance.

[0042] The sealing strip 21 is arranged along the circumference of the sealing groove 3; thereby, the gap between the terminal block 2 and the sealing groove 3 can be effectively sealed, thereby improving the overall sealing effect, and the sealing strip 21 arranged circumferentially can evenly distribute the sealing pressure and improve the sealing stability;

[0043] In this embodiment, a top plate 22 is provided on the top of the wiring board 2. The wiring board 2 and the top plate 22 are formed in one piece, but not limited to being formed in one piece. The top plate 22 is arranged along the length direction of the wiring board 2, and the top plate 22 is clamped on the notch of the sealing groove 3. The design of the top plate 22 can improve the installation stability between the wiring board 2 and the sealing groove 3, improve the stability of the overall structure, and strengthen the integrity of the sealing structure between the wiring board 2 and the sealing groove 3.

[0044] The sealing strip 21 extends to the top plate 22 and at least partially covers the top plate 22; thereby, the sealing effect of the sealing strip 21 can cover each joint on the wiring board 2, further improving the overall sealing performance;

[0045] The wiring board 2 is also provided with a wiring part 4. In the present embodiment, the wiring part 4 includes but is not limited to being provided with two. The wiring part 4 is formed integrally with the wiring board 2. The wiring part 4 is provided with a conical shape, gradually contracting from one end close to the wiring board 2 to one end away from the wiring board 2 and closing at the end to form a sealed end. The wiring part 4 is used for the cable to pass through and seal the cable. During installation, the cable is introduced through the wiring part 4 and the cable located in the wiring part 4 is sealed, and then the wiring board 2 is inserted into the sealing groove 3. At this time, the sealing strip 21 on the wiring board 2 is interference-fitted with the sealing groove 3, and the top plate 22 of the wiring board 2 is stuck on the notch of the sealing groove 3, so that the sealing between the wiring board 2 and the sealing groove 3 is achieved.

[0046] The wiring structure 1 of the present application can optimize the convenience of wiring installation while achieving the sealing and waterproof function. Through the design of the terminal block 2 and the sealing groove 3, the interference fit between the sealing strip 21 and the sealing groove 3 can provide a good sealing effect, effectively preventing external substances such as moisture and dust from invading the wired parts, protecting the cables and equipment from damage, and ensuring the sealing effect during long-term use; and the design of the terminal block 2 makes the installation process of the entire wiring device simple and quick, and the installation can be completed by simply plugging and fixing the terminal block 2 and the sealing groove 3, which improves the convenience of user use. At the same time, it is also more convenient during maintenance, saving time and cost.

[0047] The wiring portion 4 is provided with a plurality of sealing rings 41. In this embodiment, the wiring portion 4 and the plurality of sealing rings 41 are integrally formed. The sealing rings 41 are elastic rings. The plurality of sealing rings 41 are arranged along the axial direction of the wiring portion 4. The sealing rings 41 lock and seal the cables passing through the wiring portion 4.

[0048] The diameters of the plurality of sealing rings 41 gradually decrease from the side close to the wiring board 2 to the side far from the wiring board 2. In this embodiment, the wiring portion 4 may be provided with a mark indicating the wire diameter range used with the sealing ring 41. In this embodiment, the number of sealing rings 41 provided and the diameter range used are not limited and can be set according to actual needs. During the wiring process, the user punctures or cuts the sealed end of the wiring portion 4 along the corresponding sealing ring 41 according to the diameter of the cable to be threaded, and then conducts wiring. When the cable is inserted, the sealing ring 41 will hug and cover the cable tightly, exert pressure on the cable, thereby achieving a sealing protection effect.

[0049] Through the above design, the present application can better adapt to cables of different diameters by the gradually decreasing design of the sealing ring 41, since the cables have different diameters, thereby ensuring that cables of different specifications can be effectively locked and sealed.

[0050] Reference Figure 1 and Figure 2 , the terminal block 2 is coated with a metal plate 5, and the metal plate 5 is arranged to avoid the wiring portion 4. In the present embodiment, an inner cavity for placing the metal plate 5 is integrally formed in the terminal block 2, and both ends of the inner cavity are closed; in the present embodiment, the metal plate 5 and the terminal block 2 include but are not limited to being integrally formed. Before producing the terminal block 2, the metal plate 5 is first placed in a mold of the terminal block 2, and then the injection mold is processed, so that the metal plate 5 is coated in the terminal block 2, and an inner cavity for placing the metal plate 5 is formed in the terminal block 2, and finally the mold is opened to take out the terminal block 2; the design of the metal plate 5 can enhance the overall structural stability of the terminal block 2, prevent the terminal block 2 from bending or deformation during use, and the metal plate 5 can also provide support for the terminal block 2, reduce the deflection and fatigue of the terminal block 2, extend the service life of the terminal block 2, and reduce the maintenance cost.

[0051] The implementation principle of the first embodiment is as follows: the wiring structure 1 of the present application mainly adopts the design of the wiring board 2 and the sealing strip 21 and the sealing groove 3 arranged thereon, and the interference fit between the sealing strip 21 and the sealing groove 3 can provide a good sealing effect, and the wiring structure 1 of the present application can optimize the convenience of threading and installation while realizing the sealing and waterproof function;

[0052] Before producing the wiring board 2, the metal plate 5 is first placed in the mold of the wiring board 2, and then the injection mold is processed so that the metal plate 5 is covered in the wiring board 2, and an inner cavity for placing the metal plate 5 is formed in the wiring board 2. Finally, the mold is opened to take out the wiring board 2, and a structure in which the metal plate 5, the sealing strip 21, and the top plate 22 are integrated on the wiring board 2 is formed; in this process, the metal plate 5 can enhance the overall structural stability of the wiring board 2, prevent the wiring board 2 from bending or deformation during use, and can provide support for the wiring board 2, thereby extending the service life of the wiring board 2;

[0053] During installation, first puncture or cut the sealed end of the wiring part 4 along the corresponding sealing ring 41 according to the diameter of the cable to be threaded, and then connect the wires. When the cable is inserted, the sealing ring 41 will hug and cover the cable, apply pressure to the cable, and achieve sealing of the cable; then insert the wiring board 2 into the sealing groove 3, and the sealing strips 21 arranged on the front and back sides of the wiring board 2 are interference-fitted with the sealing groove 3, and the top plate 22 of the wiring board 2 is stuck on the notch of the sealing groove 3, so as to achieve the sealing of the wiring board 2 and the sealing groove 3. At this time, the work of introducing the cable into the to-be-wired component is completed;

[0054] The wiring structure 1 of the present application can ensure the sealing effect during long-term use, and the design of the terminal block 2 makes the installation process of the entire wiring structure 1 simple and quick. There is no need to add additional adapters for fixation. The installation can be completed by simply plugging and fixing the terminal block 2 and the sealing groove 3, which improves user convenience and is more convenient during maintenance, saving time and cost.

[0055] Embodiment 2

[0056] Please refer to Figure 3-5 As shown, the embodiment of the present application discloses a junction box, including the junction structure 1 as described in the first embodiment;

[0057] The junction box 6 includes a box body 61 and a cover plate 62. In this embodiment, the box body 61 and the cover plate 62 include but are not limited to a rotation connection. The box body 61 is provided with an opening 611, and the cover plate 62 is sealed on the opening 611.

[0058] The sealing groove 3 of the wiring structure 1 is provided on one side of the box body 61 and is connected to the opening 611. The wiring board 2 is inserted into the sealing groove 3 along the opening 611 and the sealing strip 21 is interference fit with the sealing groove 3. The cable is introduced into the box body 61 through the wiring portion 4 of the wiring structure 1. In this embodiment, a plurality of installation grooves (the installation grooves are not shown in the figure) are further provided in the box body 61. After the cable is introduced into the box body 61, it will be stuck in the installation grooves. The installation grooves limit and fix the position of the cable in the box body 61.

[0059] During installation, first puncture or cut the sealed end of the wiring part 4 along the corresponding sealing ring 41 according to the diameter of the cable to be threaded, and then connect the wires. When the cable is inserted, the sealing ring 41 will hug and cover the cable, apply pressure to the cable, and achieve sealing of the cable; then insert the terminal block 2 into the sealing groove 3 of the box body 61 along the opening 611 of the box body 61, and the sealing strips 21 arranged on the front and back sides of the terminal block 2 are interference fit with the sealing groove 3, and the top plate 22 of the terminal block 2 is stuck on the notch of the sealing groove 3, so as to achieve the sealing of the terminal block 2 and the sealing groove 3; after completing the installation of the terminal block 2 and the box body 61, the cable can be introduced into the box body 61 through this wiring structure 1 for connection or wiring work; finally, rotate the cover plate 62 so that the cover plate 62 is sealed on the opening 611 of the box body 61, and the terminal block 2 can be fixed in the sealing groove 3, and the installation of the wiring structure 1 and the wiring box 6 is completed.

[0060] The cover plate 62 is provided with a sealing gasket 621, which is arranged to be in contact with and fit against the top surface of the top plate 22, and the sealing gasket 621 is arranged to be in contact with and fit against the surface of the box body 61 on the side close to the opening 611, that is, the sealing gasket 621 is in contact with and fit against the top surface of the box body 61; the sealing gasket 621 is arranged circumferentially along the outer edge of the cover plate 62, so as to ensure that the sealing gasket 621 completely covers the outer edge of the cover plate 62, thereby effectively preventing liquid or gas from leaking or penetrating from the outer edge of the cover plate 62, which can improve the uniformity and stability of the sealing effect, ensure that the connection between the sealing gasket 621 and the cover plate 62 is tight and reliable, and further effectively protect the components inside the junction box 6, thereby improving the performance and reliability of the junction box 6;

[0061] When the cover plate 62 is sealed on the opening 611 of the box body 61, the sealing gasket 621 on the cover plate 62 will fit with the top plate 22 and the top surface of the box body 61 to achieve sealing, thereby ensuring the sealing reliability between the cover plate 62 and the wiring structure 1, thereby improving the overall sealing effect of the wiring box 6.

[0062] The implementation principle of the second embodiment is as follows: the junction box 6 of the present application utilizes the design of the wiring structure 1 to realize the introduction of cables and realize the waterproof sealing of the junction box 6, effectively protecting the cables and equipment in the box body 61 from water damage, and the installation process between the wiring structure 1 and the junction box 6 is simple, and no additional adapter is required for fixing. The installation can be completed by plugging and fixing the wiring board 2 and the sealing groove 3 on the box body 61. The overall operation is convenient and fast, which improves the user's convenience;

[0063] During installation, first puncture or cut the sealed end of the wiring portion 4 along the corresponding sealing ring 41 according to the diameter of the cable to be threaded, and then connect the wires. When the cable is inserted, the sealing ring 41 will hug and cover the cable, apply pressure to the cable, and achieve sealing of the cable; then insert the wiring board 2 into the sealing groove 3 of the box body 61 along the opening 611 of the box body 61, and the sealing strips 21 set on both sides of the wiring board 2 are interference-fitted with the sealing groove 3, and the top plate 22 of the wiring board 2 is stuck in The sealing of the terminal block 2 and the sealing groove 3 is achieved on the notch of the sealing groove 3; after the installation of the terminal block 2 and the box 61 is completed, the cables can be introduced into the box 61 through this wiring structure 1 for connection or wiring; finally, the cover plate 62 is rotated so that the cover plate 62 is sealed on the opening 611 of the box 61, and the terminal block 2 can be fixed in the sealing groove 3. At the same time, the sealing gasket 621 on the cover plate 62 will fit with the top plate 22 to achieve sealing, and the installation of the wiring structure 1 and the wiring box 6 is completed.

[0064] Embodiment 3

[0065] Please refer to Figure 6 As shown, the difference between this embodiment and the first embodiment is that the terminal block 2 is further provided with at least one anti-slip protrusion 23. In this embodiment, the side walls in the height direction of the terminal block 2 are provided with at least one anti-slip protrusion 23, and the opposite side walls of the sealing groove 3 are provided with a recess 31 corresponding to the anti-slip protrusion 23. The anti-slip protrusion 23 is inserted into the recess 31 to prevent the terminal block 2 and the sealing groove 3 from slipping off.

[0066] The implementation principle of the third embodiment is as follows: during installation, the terminal block 2 is inserted into the sealing groove 3. When the anti-dropout protrusion 23 on the terminal block 2 encounters the recess 31 in the sealing groove 3, the anti-dropout protrusion 23 is inserted into the recess 31, thereby enabling the terminal block 2 to be stably fixed in the sealing groove 3. The design of the anti-dropout protrusion 23 and the recess 31 effectively prevents the terminal block 2 from being offset or moved in the sealing groove 3, thereby enabling the cable to be firmly and safely fixed in its wiring position.

[0067] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wiring structure for introducing a cable into a to-be-wired component, characterized in that: The wiring structure includes a wiring board and a sealing groove. A sealing strip is provided on the periphery of the wiring board. The wiring board is inserted into the sealing groove and the sealing strip is interference fit with the sealing groove. The wiring board is also provided with a wiring part, and the wiring part allows the cable to pass through and seals the cable.

2. The wiring structure according to claim 1, characterized in that: Sealing strips are arranged on opposite sides of the wiring board.

3. The wiring structure according to claim 1, characterized in that: The wiring board is also provided with a top plate, and the top plate is clamped on the notch of the sealing groove.

4. The wiring structure according to claim 3, characterized in that: The sealing strip extends onto the top plate and at least partially covers the top plate.

5. The wiring structure according to claim 1, characterized in that: A metal plate is arranged inside the wiring board, and the metal plate is arranged away from the wiring part.

6. The wiring structure according to claim 1, characterized in that: The wiring part is provided with a plurality of sealing rings, which are arranged along the axial direction of the wiring part, and the sealing rings lock and seal the cables passing through the wiring part; the diameter of the sealing rings gradually decreases from the side close to the wiring board to the side away from the wiring board.

7. The wiring structure according to claim 1, characterized in that: The wiring board is also provided with at least one anti-dropping protrusion, and the sealing groove is provided with a concave portion corresponding to the anti-dropping protrusion, and the anti-dropping protrusion is inserted into the concave portion.

8. A junction box, comprising the junction structure according to any one of claims 1 to 7, characterized in that: The junction box includes a box body and a cover plate, the box body is provided with an opening, and the cover plate is sealed on the opening; the sealing groove of the wiring structure is opened on one side of the box body and is connected to the opening, the wiring board is inserted into the sealing groove along the opening, and the cable is introduced into the box body through the wiring part of the wiring structure.

9. The junction box according to claim 8, characterized in that: The top plate of the wiring board is clamped on the notch of the sealing groove, and the cover plate is provided with a sealing gasket, which is in contact and fit with the top surface of the top plate and the top surface of the box body.

10. The junction box according to claim 9, characterized in that: The sealing gasket is circumferentially arranged along the outer edge of the cover plate.

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