Switch structure

By designing a detachable mounting structure and mating structure in the switch structure, the problem of the inability to replace the terminal box is solved, and a stable connection that can be quickly adapted to different cable connectors is achieved.

CN224123271UActive Publication Date: 2026-04-14ZHEJIANG CHINT ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The types and specifications of existing terminal blocks are fixed during production, and users cannot replace them with different terminal blocks to accommodate different types of cable connectors according to their actual needs.

Method used

A switch structure is designed, including a switch body and a terminal box. By setting an installation structure on the switch body and a mating structure on the terminal box, the terminal box and the switch body can be detachably connected. The insertion method of the boss and the groove can realize the quick installation and removal of different terminal boxes.

Benefits of technology

The switch structure can be matched with different terminal boxes, and the terminal box can be replaced as needed to adapt to different cable connectors, ensuring connection stability without the need for additional locking parts, and allowing for quick disassembly and assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of low-voltage electric appliances, and discloses a switch structure. The switch structure comprises a switch body and a wiring terminal box, the switch body comprises a shell and a wiring board, one end of the wiring board extends out of the shell, an installation structure is arranged on the shell, the wiring terminal box comprises wiring terminal frames and a matching structure, the wiring terminal frames and the wiring board are arranged in a one-to-one correspondence mode, and the matching structure and the installation structure are detachably connected. And the wiring board is inserted into the wiring terminal frame. The switch body is provided with the mounting structure, the wiring terminal box is provided with the matching structure, and the matching structure and the mounting structure are detachably connected, so that the wiring terminal box is mounted on the switch body, and the wiring board can be inserted into the wiring terminal frame of the wiring terminal box, so that the switch body can be matched with different wiring terminal boxes; in the actual process, different wiring terminal boxes can be selected according to needs, and the wiring terminal boxes can be detached and replaced in time to adapt to different cable joints.
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Description

Technical Field

[0001] This utility model relates to the field of low-voltage electrical technology, and in particular to a switch structure. Background Technology

[0002] Terminal boxes are an important part of switches used for connecting cables. Installing terminal boxes helps with wire pulling, branching, and transitioning, making wiring connections more convenient and protecting wires, thereby ensuring the safety and stability of the circuit.

[0003] In the existing technology, the structure of the terminal block is closely related to the switch structure. Usually, the type and specifications of the terminal block are determined during production, and users cannot replace different terminal blocks to adapt to different types of cable connectors according to actual needs.

[0004] Therefore, there is an urgent need to provide a switch structure that can be matched with different terminal boxes, and different terminal boxes can be replaced as needed to adapt to different cable connectors. Utility Model Content

[0005] The purpose of this invention is to provide a switch structure that can be matched with different terminal boxes, and different terminal boxes can be replaced as needed to adapt to different cable connectors.

[0006] To achieve this objective, the present invention adopts the following technical solution:

[0007] This utility model provides a switch structure, which includes a switch body and a terminal box. The switch body includes a housing and a terminal block. One end of the terminal block extends out of the housing. The housing is provided with a mounting structure. The terminal box includes a terminal frame and a mating structure. The terminal frame and the terminal block are arranged in a one-to-one correspondence. The mating structure and the mounting structure are detachably connected. The terminal block is inserted into the terminal frame.

[0008] As an optional technical solution for the switch structure, the mounting structure includes a first boss and a first groove, the first boss and the first groove being located on the side of the housing where the terminal block is located;

[0009] The mating structure includes a second groove and a second boss. The second boss is inserted into the first groove along a first direction, and the first boss is inserted into the second groove along a second direction.

[0010] As an optional technical solution for the switch structure, the housing has a bearing surface on one side where the terminal block is located. The first groove is disposed on the bearing surface, and the second boss is disposed on the bottom of the terminal box. The second boss is inserted into the first groove along the first direction, and the bottom of the terminal box is placed on the bearing surface.

[0011] As an optional technical solution for the switch structure, the terminal box includes a main box body and a cover plate. The terminal frame is disposed on the main box body, and the cover plate is detachably connected to the main box body. The second boss is disposed on the bottom of the main box body, and the second groove is disposed on the side of the main box body. The second boss is inserted into the first groove.

[0012] As an optional technical solution for the switch structure, the second groove has a snap-fit ​​groove recessed on the upper side groove wall in the first direction, the first boss is inserted into the second groove along the second direction, and when the second boss is inserted into the first groove along the first direction, the first boss is snapped into the snap-fit ​​groove along the first direction.

[0013] As an optional technical solution for the switch structure, the terminal box includes a main box body and a cover plate. The terminal frame is disposed in the main box body, and the cover plate is detachably connected to the main box body. The second groove includes a first groove and a second groove. The first groove is disposed on the side of the main box body and communicates with the interior of the main box body. The second groove is disposed on the top of the cover plate and penetrates the cover plate. The first boss passes through the first groove in the second direction and is inserted into the second groove in the first direction. The second boss is disposed at the bottom of the main box body. The second boss is inserted into the first groove in the first direction and is engaged in the first groove in the second direction.

[0014] As an optional technical solution for the switch structure, the bottom of the main box is provided with a receiving groove, and a hook is provided in the receiving groove. The first end of the hook is connected to the groove wall of the receiving groove and the second end is provided with a second protrusion. The second protrusion protrudes outward from the bottom surface of the main box along the first direction.

[0015] When the bottom surface of the main box is in contact with the bearing surface, the second end of the hook is raised upward along the first direction until the second protrusion is inserted into the first groove along the first direction and engages with the first groove along the second direction.

[0016] As an optional technical solution for the switch structure, an auxiliary plate is provided between two adjacent terminal blocks. The auxiliary plate is connected to the housing. One end of the auxiliary plate is provided with the first boss, and the first boss is spaced apart from the surface of the housing.

[0017] As an optional technical solution for the switch structure, the mounting structure further includes a third groove located on the side of the housing where the terminal block is located, and the mating structure further includes a third boss inserted into the third groove along the second direction.

[0018] As an optional technical solution for the switch structure, the terminal block frame is provided with a terminal assembly, the terminal assembly includes a pad, a wiring screw is screwed onto the pad, and the terminal block is provided with a socket, the wiring screw being inserted into the socket.

[0019] Beneficial effects:

[0020] This utility model provides a switch structure, which includes a switch body and a terminal box. The switch body includes a housing and a terminal block, with one end of the terminal block extending out of the housing. The housing has a mounting structure. The terminal box includes a terminal frame and a mating structure. The terminal frame and the terminal block are correspondingly arranged. The mating structure and the mounting structure are detachably connected, and the terminal block is inserted into the terminal frame. By providing a mounting structure on the switch body and a mating structure on the terminal box, and utilizing the detachable connection between the mating structure and the mounting structure, the terminal box can be mounted on the switch body. Furthermore, the terminal block of the switch body can be inserted into the terminal frame of the terminal box, allowing the switch body to be compatible with different terminal boxes. In practical applications, different terminal boxes can be selected as needed, and the terminal boxes can be easily disassembled and replaced to accommodate different cable connectors. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the switch body provided in this embodiment of the utility model;

[0022] Figure 2 yes Figure 1 A magnified view of a section at point A in the middle;

[0023] Figure 3 This is a partial structural schematic diagram of the switch body from a first-view perspective provided in an embodiment of this utility model;

[0024] Figure 4 This is a partial structural schematic diagram of the switch body from a second perspective provided in an embodiment of this utility model;

[0025] Figure 5 This is a structural schematic diagram of the switch body and junction box (cage type) provided in an embodiment of the present utility model;

[0026] Figure 6 This is a structural schematic diagram of the cage-type terminal box provided in this embodiment of the utility model;

[0027] Figure 7 This is a partial sectional view of the cage-type terminal box provided in this embodiment of the utility model;

[0028] Figure 8 This is an exploded view of the cage-type terminal box provided in this embodiment of the utility model;

[0029] Figure 9 This is an installation diagram of the switch body and cage terminal box provided in this embodiment of the utility model;

[0030] Figure 10 This is a structural schematic diagram of the switch body and junction box (tile type) provided in an embodiment of the present utility model;

[0031] Figure 11 This is a first-view structural schematic diagram of the tile-type terminal box provided in this embodiment of the utility model;

[0032] Figure 12 This is a second-view structural schematic diagram of the tile-type terminal box provided in this embodiment of the utility model;

[0033] Figure 13 This is a partial sectional view of the tile-type terminal box provided in this embodiment of the utility model;

[0034] Figure 14 This is an exploded view of the tile-type terminal box provided in this embodiment of the utility model;

[0035] Figure 15 This is an installation diagram of the switch body and the tile-type terminal box provided in this embodiment of the utility model.

[0036] In the picture:

[0037] 10. Switch body; 11. Housing; 111. First groove; 112. Third groove; 12. Auxiliary plate; 121. First boss; 13. Terminal block; 131. Socket;

[0038] 20. Terminal block box; 21. Main box body; 23. Cover plate; 24. Second groove; 241. Snap-fit ​​groove; 242. First groove; 243. Second groove; 25. Second boss; 26. Third boss; 27. Receiving groove; 28. Hook;

[0039] 20a. Cage-type terminal box; 22a. Cage-type terminal assembly;

[0040] 20b, tile-type terminal box; 22b, tile-type pad. Detailed Implementation

[0041] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0042] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0043] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0044] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0045] like Figures 1 to 5 As shown, this embodiment provides a switch structure, which includes a switch body 10 and a terminal box 20. The switch body 10 includes a housing 11 and a terminal block 13. One end of the terminal block 13 extends out of the housing 11. The housing 11 is provided with a mounting structure. The terminal box 20 includes a terminal frame and a mating structure. The terminal frame and the terminal block 13 are arranged in a one-to-one correspondence. The mating structure and the mounting structure are detachably connected. The terminal block 13 is inserted into the terminal frame.

[0046] By providing an installation structure on the switch body 10 and a mating structure on the terminal box 20, the terminal box 20 can be detachably connected using the mating structure and the installation structure. This allows the terminal box 20 to be installed on the switch body 10, and the terminal block 13 of the switch body 10 can be inserted into the terminal frame of the terminal box 20. This enables the switch body 10 to be compatible with different terminal boxes 20. In practice, different terminal boxes 20 can be selected as needed, and the terminal boxes 20 can be disassembled and replaced in a timely manner to accommodate different cable connectors.

[0047] Furthermore, the mounting structure includes a first boss 121 and a first groove 111, located on the side of the housing 11 where the terminal block 13 is located; the mating structure includes a second groove 24 and a second boss 25, the second boss 25 being inserted into the first groove 111 along a first direction, and the first boss 121 being inserted into the second groove 24 along a second direction. By setting the first boss 121 to be inserted into the second groove 24 along the second direction, and setting the second boss 25 and the first groove 111 to be mated and inserted, the terminal box 20 is fixed on the switch body 10, ensuring the stability of the connection, and eliminating the need for additional locking parts, allowing for quick disassembly and assembly. In this embodiment, the first direction is vertical, and the second direction is horizontal.

[0048] Furthermore, the outer casing 11 has a bearing surface on the side where the terminal block 13 is located. A first groove 111 is provided on the bearing surface, and a second protrusion 25 is provided on the bottom of the terminal box 20. The second protrusion 25 is inserted into the first groove 111 along a first direction, and the bottom of the terminal box 20 is placed on the bearing surface. By providing a bearing surface on the outer casing 11 and a first groove 111 on the bearing surface, when the bottom of the terminal box 20 is placed on the bearing surface, the second protrusion 25 on the terminal box 20 is inserted into the first groove 111 along a first direction. This restricts the installation position of the terminal box 20 and ensures that the terminal block 13 can be accurately inserted into the terminal frame of the terminal box 20.

[0049] Furthermore, an auxiliary plate 12 is provided between two adjacent terminal blocks 13. The auxiliary plate 12 is connected to the outer casing 11, and a first boss 121 protrudes from one end of the auxiliary plate 12. The first boss 121 is spaced apart from the surface of the outer casing 11. By providing the first boss 121 on the auxiliary plate 12 and spaced apart from the surface of the outer casing 11, the terminal box 20 is partially hung at the gap between the first boss 121 and the surface of the outer casing 11, thereby limiting the relative position of the terminal box 20 and the outer casing 11 and further improving the stability of the terminal box 20.

[0050] In this embodiment, the auxiliary plate 12 is a phase-to-phase insulating plate, which can be partially inserted into the terminal box 20. Optionally, at least two first grooves 111 are spaced apart, and the second protrusions 25 are correspondingly arranged one-to-one with the first grooves 111. In this embodiment, three first grooves 111 are spaced apart side by side, and two phase-to-phase insulating plates are spaced apart, with a first protrusion 121 on each of the two phase-to-phase insulating plates. By providing at least two first grooves 111, the terminal box 20 can be fixed to the switch body 10 at different positions. In other embodiments, the first grooves 111 may not be provided between the two phase-to-phase insulating plates, that is, there may be two first grooves 111.

[0051] In this embodiment, two types of terminal boxes 20 are used as examples. The two types of terminal boxes 20 are cage-type terminal box 20a and tile-type terminal box 20b. The switch body 10 can be adapted to cage-type terminal box 20a and tile-type terminal box 20b.

[0052] See Figures 5 to 9 The cage-type terminal box 20a includes a main box body 21 and a cover plate 23. A terminal block frame is disposed on the main box body 21. The cover plate 23 is detachably connected to the main box body 21. A second protrusion 25 is disposed at the bottom of the main box body 21, and a second groove 24 is disposed on the side of the main box body 21. The second protrusion 25 is inserted into the first groove 111. By both the second groove 24 and the second protrusion 25 are disposed on the main box body 21, when the terminal box 20 is assembled as a whole, it is placed on the switch body 10 and fixed to the switch body 10 by the second groove 24 and the second protrusion 25.

[0053] In this embodiment, the cage terminal box 20a further includes a cage terminal assembly 22a, which is disposed within the wiring terminal frame, and the wiring terminal frame is disposed within the main box body 21; the cover plate 23 and the main box body 21 are snap-fitted together.

[0054] Furthermore, the upper side wall of the second groove 24 in the first direction is recessed with a snap-fit ​​groove 241, the first boss 121 is inserted into the second groove 24 in the second direction, and when the second boss 25 is inserted into the first groove 111 in the first direction, the first boss 121 is snapped into the snap-fit ​​groove 241 in the first direction.

[0055] By recessing a locking groove 241 on the upper side wall of the second groove 24, during assembly, the cage terminal box 20a is moved as a whole along the second direction closer to the outer shell 11. At this time, the auxiliary plate 12 and the first boss 121 can be inserted into the second groove 24 along the second direction, and the wiring plate 13 is inserted into the wiring terminal frame along the second direction. Then, the cage terminal box 20a is moved along the first direction until the bottom of the cage terminal box 20a is placed on the bearing surface of the switch body 10. At this time, the second boss 25 is inserted into the first groove 111 along the first direction, and the first boss 121 is locked in the second groove 24 along the first direction.

[0056] Optionally, the mounting structure further includes a third groove 112, located on the side of the housing 11 where the terminal block 13 is located. The mating structure also includes a third boss 26, which is inserted into the third groove 112 along the second direction. By further providing the third groove 112 and the third boss 26, the installation stability of the terminal box 20 can be further improved.

[0057] In this embodiment, the main housing 21 is provided with a third protrusion 26, which is inserted into the third groove 112 along the second direction and engaged in the third groove 112 along the first direction; the setting height of the third groove 112 is higher than the setting height of the second groove 24. By adding a third groove 112 on the basis of the second groove 24, the second protrusion 25 is inserted into the first groove 111, and when the third protrusion 26 is inserted into the third groove 112 along the second direction, the top surface of the third protrusion 26 abuts against the groove wall of the third groove 112 and engages with the third protrusion 26 along the first direction, the position of the cage terminal box 20a can be restricted in the first direction, preventing the cage terminal box 20a from moving up and down relative to the switch body 10 after wiring.

[0058] See Figure 5 and Figure 9 The following is the assembly process of the cage-type terminal box 20a and the switch body 10:

[0059] During assembly, the cage terminal box 20a is moved along the second direction to the side of the outer shell 11 of the switch body 10. At this time, the auxiliary plate 12 and the first boss 121 can be inserted into the second groove 24 along the second direction, and the wiring plate 13 is inserted into the wiring terminal frame along the second direction. Then, the cage terminal box 20a is moved along the first direction until the bottom of the cage terminal box 20a is placed on the bearing surface of the switch body 10. At this time, the second boss 25 is inserted into the first groove 111 along the first direction, the first boss 121 is locked in the second groove 24 along the first direction, and the third boss 26 is aligned with the third groove 112. The third boss 26 is inserted along the second direction and locked in the third groove 112 along the first direction.

[0060] Specifically, see Figures 10 to 15The tile-type terminal box 20b includes a main box body 21 and a cover plate 23. A terminal frame is disposed on the main box body 21. The cover plate 23 is detachably connected to the main box body 21. The second groove 24 includes a first groove 242 and a second groove 243. The first groove 242 is disposed on the side of the main box body 21 and communicates with the interior of the main box body 21. The second groove 243 is disposed on the top of the cover plate 23 and penetrates the cover plate 23. A first boss 121 passes through the first groove 242 in a second direction and is inserted into the second groove 243 in a second direction. A second boss 25 is disposed on the bottom of the main box body 21. The second boss 25 is inserted into the first groove 111 in a first direction and is engaged in the first groove 111 in a second direction. In this embodiment, the main box body 21 and the cover plate 23 of the tile-type terminal box 20b are engaged.

[0061] By setting a second groove 243 on the cover plate 23 and a second boss 25 on the main box 21 to engage with the first groove 111, during assembly, the main box 21 is first placed on the bearing surface of the switch body 10, and the main box 21 can be initially fixed on the switch body 10 by engaging with the second boss 25 and the first groove 111. Then, the terminal frame and the cover plate 23 are assembled. The cover plate 23 is engaged with the main box 21, and the first boss 121 passes through the first groove 242 in the second direction and is inserted into the second groove 243 on the cover plate 23 in the first direction, thereby fixing the pad-type terminal box 20b on the switch body 10.

[0062] Furthermore, a terminal assembly is provided within the terminal block frame. The terminal assembly includes a pad 22b, on which a wiring screw is screwed. The terminal block 13 has a socket 131, into which the wiring screw is inserted. By providing a socket 131 on the terminal block 13 and inserting the wiring screw into the socket 131, the wire can be clamped between the pad 22b and the terminal block 13, thereby achieving a secure electrical connection.

[0063] Furthermore, the bottom of the main box 21 is provided with a receiving groove 27, and a hook 28 is provided in the receiving groove 27. The first end of the hook 28 is connected to the groove wall of the receiving groove 27 and the second end is provided with a second protrusion 25. The second protrusion 25 protrudes outward from the bottom surface of the main box 21 in the first direction. When the bottom surface of the main box 21 is in contact with the bearing surface, the second end of the hook 28 is raised upward in the first direction until the second protrusion 25 is inserted into the first groove 111 in the first direction and is engaged with the first groove 111 in the second direction.

[0064] A receiving groove 27 is provided at the bottom of the main box 21, and a hook 28 is provided on the groove wall of the receiving groove 27. The first end of the hook 28 is connected to the groove wall of the receiving groove 27, and the second end of the hook 28 is provided with a second protrusion 25. Since the second protrusion 25 protrudes outward from the bottom surface of the main box 21, when the main box 21 is placed on the bearing surface, the bearing surface contacts the second protrusion 25, causing the second end of the hook 28 to tilt upward in the first direction. When the second protrusion 25 is located at the first groove 111, the hook 28 returns to its original position, and the second protrusion 25 is inserted into the first groove 111 in the first direction and engages with the first groove 111 in the second direction.

[0065] In this embodiment, the second boss 25 has a triangular cross-section and a guiding slope and a fastening surface. The fastening surface is located on the side of the second boss 25 away from the switch body 10. The fastening surface extends along a first direction, and the guiding slope extends downwards along a second direction toward the fastening surface and intersects with the fastening surface. When the second boss 25 is inserted into the first groove 111 along the first direction, the fastening surface of the second boss 25 abuts against the groove wall of the first groove 111 along the second direction.

[0066] See Figure 10 and Figure 15 The following is the assembly process of the tile-type terminal box 20b and the switch body 10:

[0067] During assembly, the main housing 21 is first placed on the bearing surface of the switch body 10. The second protrusion 25 is inserted into the first groove 111 along the first direction and snapped into the first groove 111 along the second direction, which can initially fix the main housing 21 onto the switch body 10. The first protrusion 121 is inserted into the first slot 242 along the second direction. Then, the terminal frame, terminal assembly and cover plate 23 are assembled. The cover plate 23 is placed above the main housing 21 and pressed down along the first direction to make the cover plate 23 snap into the main housing 21. At this time, the first protrusion 121 is inserted into the second slot 243 on the cover plate 23 along the first direction, thereby fixing the pad-type terminal box 20b onto the switch body 10.

[0068] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A switch structure, characterized in that, The switch includes a switch body (10) and a terminal box (20). The switch body (10) includes a housing (11) and a terminal block (13). One end of the terminal block (13) extends out of the housing (11). The housing (11) is provided with an installation structure. The terminal box (20) includes a terminal frame and a mating structure. The terminal frame and the terminal block (13) are arranged in a one-to-one correspondence. The mating structure and the installation structure are detachably connected. The terminal block (13) is inserted into the terminal frame.

2. The switch structure according to claim 1, characterized in that, The mounting structure includes a first boss (121) and a first groove (111), the first boss (121) and the first groove (111) being located on the side of the housing (11) where the wiring board (13) is located; The mating structure includes a second groove (24) and a second boss (25). The second boss (25) is inserted into the first groove (111) along a first direction, and the first boss (121) is inserted into the second groove (24) along a second direction.

3. The switch structure according to claim 2, characterized in that, The outer casing (11) has a bearing surface on one side where the wiring board (13) is located. The first groove (111) is located on the bearing surface, and the second boss (25) is located at the bottom of the terminal box (20). The second boss (25) is inserted into the first groove (111) along the first direction, and the bottom of the terminal box (20) is placed on the bearing surface.

4. The switch structure according to claim 3, characterized in that, The terminal box (20) includes a main box body (21) and a cover plate (23). The terminal frame is disposed on the main box body (21). The cover plate (23) is detachably connected to the main box body (21). The second boss (25) is disposed at the bottom of the main box body (21). The second groove (24) is disposed on the side of the main box body (21). The second boss (25) is inserted into the first groove (111).

5. The switch structure according to claim 4, characterized in that, The second groove (24) has a retaining groove (241) recessed on the upper side wall in the first direction. The first boss (121) is inserted into the second groove (24) in the second direction. When the second boss (25) is inserted into the first groove (111) in the first direction, the first boss (121) is engaged in the retaining groove (241) in the first direction.

6. The switch structure according to claim 3, characterized in that, The terminal box (20) includes a main box body (21) and a cover plate (23). The terminal frame is disposed on the main box body (21). The cover plate (23) is detachably connected to the main box body (21). The second groove (24) includes a first groove (242) and a second groove (243). The first groove (242) is disposed on the side of the main box body (21) and communicates with the interior of the main box body (21). The second groove (243) is disposed on the top of the cover plate (23) and penetrates the cover plate (23). The first boss (121) passes through the first groove (242) in the second direction and is inserted into the second groove (243) in the first direction. The second boss (25) is disposed on the bottom of the main box body (21). The second boss (25) is inserted into the first groove (111) along the first direction and is engaged in the first groove (111) along the second direction.

7. The switch structure according to claim 6, characterized in that, The bottom of the main box (21) is provided with a receiving groove (27), and a hook (28) is provided in the receiving groove (27). The first end of the hook (28) is connected to the groove wall of the receiving groove (27), and the second end is provided with a second boss (25). The second boss (25) protrudes outward from the bottom surface of the main box (21) along the first direction. When the bottom surface of the main box (21) is in contact with the bearing surface, the second end of the hook (28) is raised upward along the first direction until the second protrusion (25) is inserted into the first groove (111) along the first direction and engages with the first groove (111) along the second direction.

8. The switch structure according to claim 2, characterized in that, An auxiliary plate (12) is provided between two adjacent wiring boards (13). The auxiliary plate (12) is connected to the outer shell (11). One end of the auxiliary plate (12) is provided with the first boss (121). The first boss (121) is spaced apart from the surface of the outer shell (11).

9. The switch structure according to claim 2, characterized in that, The mounting structure further includes a third groove (112), which is located on the side of the housing (11) where the wiring board (13) is located. The mating structure further includes a third boss (26), which is inserted into the third groove (112) along the second direction.

10. The switch structure according to claim 1, characterized in that, The terminal block frame is provided with a terminal assembly, which includes a pad plate (22b) on which a wiring screw is screwed. The terminal block (13) is provided with a socket (131) and the wiring screw is used to be inserted into the socket (131).