Combined grounding switch for subway

Abstract

The utility model relates to the technical field of circuit grounding, in particular to a combined grounding switch for a subway, which comprises a main box body, a grounding switch assembly, a moving assembly, a grounding wire input end assembly and a grounding wire output end assembly, the grounding switch assembly is arranged in the main box body, the moving assembly is arranged in the main box body, and the grounding wire input end assembly is arranged in the main box body. The moving assembly is arranged above the grounding switch assembly, the grounding wire input end assembly is arranged in the main box body, the grounding wire input end assembly is arranged at the front end of the switch assembly, and the grounding wire output end assembly is arranged in the main box body and connected with the switch assembly. The number of the grounding switch assemblies, the number of the moving assemblies, the number of the grounding wire input end assemblies and the number of the grounding wire output end assemblies are all multiple, and through cooperation of all the assemblies, a circuit worker can conveniently and rapidly complete grounding work, and meanwhile safety can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit ground technology field, concretely is a combined grounding switch for subway. BACKGROUND

[0002] The subway is the city area all kinds of underground and the ground right special, high density, high operation capacity city rail transit system, the subway system sets many circuit elements, when the circuit element needs to overhaul or breaks down, needs to ground the circuit element, the prior art is usually by the circuit worker manual grounding, because the circuit element is not in the same position leads manual grounding extremely inconvenient and may have an accident. SUMMARY

[0003] The utility model provides a combined grounding switch for subway to solve the technical problem in above -mentioned background art.

[0004] The utility model provides a combined grounding switch for subway, a combined grounding switch for subway, including: main box, grounding switch subassembly, mobile subassembly, ground wire input end subassembly and ground wire output end subassembly, grounding switch subassembly sets up in the inside of main box, mobile subassembly sets up in the inside of main box, mobile subassembly sets up in the above of grounding switch subassembly, ground wire input end subassembly sets up in the inside of main box, ground wire input end subassembly sets up in the front end of switch subassembly, ground wire output end subassembly sets up in the inside of main box with switch subassembly is connected, ground wire input end subassembly sets up in the rear end of switch subassembly.

[0005] Optionally, the grounding switch subassembly includes: a flap, a protection box, a metal sheet, a first connection terminal, a metal square frame, a first connection pivot, a second connection pivot, and an extension rod. The protection box is disposed inside the main box. The flap is connected to the protection box via the first connection pivot. A clamping groove is formed in the inner wall of the flap. The extension rod is disposed at the bottom of the flap on both sides. The metal sheet is disposed in the clamping groove. The metal square frame is disposed below the metal sheet. The metal sheet is connected to the metal square frame via the second connection pivot to form a loop. A first connection terminal is disposed at one end of the metal sheet. The metal square frame is connected to the ground wire output end subassembly to form a loop.

[0006] Optionally, the surface of the flap is shaped like a slope that is inclined from both ends to the center.

[0007] Optionally, the mobile subassembly includes: a rotating shaft, a knob, and a moving block. The rotating shaft is disposed inside the main box. The knob is connected to one end of the rotating shaft. A thread is disposed in the middle portion of the rotating shaft. The moving block is disposed on the rotating shaft. A threaded hole is formed in the moving block.

[0008] Optionally, the ground wire input end assembly comprises an input end ground wire, an input end base, an input end fixing screw and a second connecting terminal, the input end base is arranged below the switch assembly, the input end ground wire is arranged inside the input end base, the input end fixing screw is arranged on the side of the input end base, and the second connecting terminal is arranged above the input end ground wire and connected with the input end ground wire to form a loop.

[0009] Optionally, the ground wire output end assembly comprises an output end ground wire, an output end base, an output end fixing screw and a third connecting terminal, the output end base is arranged below the metal square frame, the output end ground wire is arranged inside the output end base, the output end fixing screw is arranged on the side of the output end base, and the third connecting terminal is arranged above the output end ground wire and connected with the output end ground wire and the metal square frame to form a loop.

[0010] Optionally, the main box body surface is provided with a label slot and a glass plate, and the ground switch assembly, the moving assembly, the ground wire input end assembly and the ground wire output end assembly are provided in multiple groups.

[0011] Optionally, the main box body, the rocker, the protection box and the moving assembly are made of insulating materials. Advantages

[0012] A combined ground switch for metro comprises a main box body, a ground switch assembly, a moving assembly, a ground wire input end assembly and a ground wire output end assembly, the ground switch assembly is arranged inside the main box body, the moving assembly is arranged inside the main box body and above the ground switch assembly, the ground wire input end assembly is arranged inside the main box body and in front of the switch assembly, and the ground wire output end assembly is arranged inside the main box body and connected with the switch assembly, and the ground switch assembly, the moving assembly, the ground wire input end assembly and the ground wire output end assembly are provided in multiple groups, the switch assembly and the moving assembly are arranged to control the on-off of the ground wire, and multiple groups of the ground switch assembly, the moving assembly, the ground wire input end assembly and the ground wire output end assembly are arranged to set the ground wires of different circuit elements to the same position, which is convenient for the grounding work of circuit workers and can ensure the safety during grounding. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the following embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the premise of not paying creative effort.

[0014] Figure 1 is a first perspective view of the structure of the combined grounding switch for subway provided by the present application;

[0015] Figure 2 is a schematic view of the internal structure of the main box in the combined grounding switch for subway provided by the present application;

[0016] Figure 3 is a first perspective view of the structure of the moving block in the combined grounding switch for subway provided by the present application;

[0017] Figure 4 is a side view of the partial structure of the combined grounding switch for subway provided by the present application;

[0018] Figure 5 is a top view of the partial structure of the combined grounding switch for subway provided by the present application;

[0019] Figure 6 is a first perspective view of the structure of the flap in the combined grounding switch for subway provided by the present application;

[0020] Figure 7 is an electrical schematic diagram of the combined grounding switch for subway provided by the present application.

[0021] Reference signs:

[0022] 100, main box; 110, label slot; 120, glass plate; 130, circuit element;

[0023] 200, grounding switch assembly; 210, flap; 220, protection box; 230, metal sheet; 231, clamping groove; 240, first connecting terminal; 250, metal square frame; 260, first connecting rotating shaft; 270, second connecting rotating shaft; 280, telescopic rod;

[0024] 300, moving assembly; 310, rotating shaft; 320, knob; 330, moving block; 331, threaded hole;

[0025] 400, grounding wire input end assembly; 410, input end grounding wire; 420, input end base; 430, input end fixing screw; 440, second connecting terminal;

[0026] 500, ground wire output end assembly; 510, output end ground wire; 520, output end base; 530, output end fixing screw; 540, third connecting terminal. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. It can be understood that the specific embodiments described herein are only used to explain the present application, rather than limit the present application. In addition, it should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, rather than all the structures. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] In this document, reference to something being "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. Those skilled in the art will appreciate that the embodiments described herein are merely examples of the application and are not intended to limit the scope of the application in any way.

[0029] Please refer to Figures 1 to 6 The combined grounding switch for subway comprises a main box body 100, a grounding switch assembly 200, a moving assembly 300, a ground wire input end assembly 400 and a ground wire output end assembly 500. The grounding switch assembly 200 is arranged inside the main box body 100. The moving assembly 300 is arranged inside the main box body 100 and above the grounding switch assembly 200. The ground wire input end assembly 400 is arranged inside the main box body 100 and in front of the grounding switch assembly 200. The ground wire output end assembly 500 is arranged inside the main box body 100 and connected with the switch assembly. The surface of the main box body 100 is provided with a label slot 110 and a glass plate 120.

[0030] The main box body 100 is made of insulating material, which can ensure the safety during grounding. The ground wire input end assembly 400 is connected with circuit elements in the subway system. Each circuit element is provided with the grounding switch assembly 200, the moving assembly 300, the ground wire input end assembly 400 and the ground wire output end assembly 500.

[0031] Further, when the user needs to perform grounding action through the combined grounding switch for subway, firstly, the circuit worker finds the corresponding moving assembly 300 of the circuit element to be repaired according to the repair requirement by using the label slot 110 arranged on the surface of the main box body 100, and then the moving assembly 300 starts to work, the moving assembly 300 connects the grounding switch assembly 200 and the grounding wire input end assembly 400, the grounding wire input end assembly 400, the grounding switch assembly 200 and the grounding wire output end assembly 500 are connected to form a loop to complete the grounding work.

[0032] In the embodiment, the grounding switch assembly 200 comprises a flap 210, a protection box 220, a metal sheet 230, a first connecting terminal 240, a metal square frame 250, a first connecting rotating shaft 260, a second connecting rotating shaft 270 and an extension rod 280, the protection box 220 is arranged in the inside of the main box body 100, the flap 210 is connected with the protection box 220 through the first connecting rotating shaft 260, a clamping groove 231 is arranged in the inner wall of the flap 210, the extension rod 280 is arranged at the bottom of the two sides of the flap 210, the metal sheet 230 is arranged in the clamping groove 231, the metal square frame 250 is arranged below the metal sheet 230, the metal sheet 230 is connected with the metal square frame 250 through the second connecting rotating shaft 270 to form a loop, one end of the metal sheet 230 is provided with the first connecting terminal 240, the metal square frame 250 is connected with the grounding wire output end assembly 500 to form a loop, the surface of the flap 210 is in the shape of two ends inclined to the center, the moving assembly 300 comprises a rotating shaft 310, a knob 320 and a moving block 330, the rotating shaft 310 is arranged in the inside of the main box body 100, the knob 320 is connected with one end of the rotating shaft 310, the middle part of the rotating shaft 310 is provided with a thread, the moving block 330 is arranged on the rotating shaft 310, and a threaded hole 331 is arranged in the moving block 330;

[0033] Wherein, the circuit worker rotates the knob 320 to drive the rotating shaft 310 to rotate, and the moving block 330 moves along the rotating shaft 310, when the moving block 330 moves, the flap 210 is pressed, one end of the flap 210 presses the extension rod 280 to move downward, the other end of the flap 210 moves upward, and one end of the metal sheet 230 moves downward, the other end of the metal sheet 230 moves upward, the protection box 220, the flap 210 and the moving assembly 300 are all made of insulating materials, and the safety during the grounding process can be ensured.

[0034] In the embodiment, the ground wire input end assembly 400 comprises an input end ground wire 410, an input end base 420, an input end fixing screw 430 and a second connecting terminal 440. The input end base 420 is arranged below the switch assembly. The input end ground wire 410 is arranged inside the input end base 420. The input end fixing screw 430 is arranged on the side of the input end base 420. The second connecting terminal 440 is arranged above the input end ground wire 410. The second connecting terminal 440 is connected with the input end ground wire 410 to form a loop. The ground wire output end assembly 500 comprises an output end ground wire 510, an output end base 520, an output end fixing screw 530 and a third connecting terminal 540. The output end base 520 is arranged below the metal square frame 250. The output end ground wire 510 is arranged inside the output end base 520. The output end fixing screw 530 is arranged on the side of the output end base 520. The third connecting terminal 540 is arranged above the output end ground wire 510. The third connecting terminal 540 and the output end ground wire 510 are connected with the metal square frame 250 to form a loop.

[0035] The output end fixing screw 530 can fasten the connection between the output end ground wire 510 and the third connecting terminal 540. The input end fixing screw 430 can fasten the connection between the input end ground wire 410 and the second connecting terminal 440. When the end of the metal sheet 230 provided with the first connecting terminal 240 moves downward, the first connecting terminal 240 is connected with the second connecting terminal 440 to form a loop, that is, the ground wire input end, the ground switch assembly 200 and the ground wire output end assembly 500 are connected to form a loop to complete the grounding work. After the circuit element maintenance is completed, the knob 320 is rotated reversely, the moving block 330 moves reversely to drive the end of the metal sheet 230 provided with the first connecting terminal 240 to move upward, and the first connecting terminal 240 is disconnected with the second connecting terminal 440, so that the loop is disconnected.

[0036] In the embodiment, the surface of the main box body 100 is provided with a label slot 110 and a glass plate 120. The ground switch assembly 200, the moving assembly 300, the ground wire input end assembly 400 and the ground wire output end assembly 500 are all provided with multiple groups.

[0037] The circuit worker can find the corresponding moving assembly 300 of the circuit element to be maintained according to the content in the label slot 110. Meanwhile, the circuit worker can observe the position of the moving assembly 300 according to the glass plate 120 to ensure that the moving block 330 moves to the specified position.

[0038] A combined grounding switch for subway comprises a main box 100, a grounding switch assembly 200, a moving assembly 300, a grounding wire input end assembly 400 and a grounding wire output end assembly 500, the switch assembly is arranged inside the main box 100, the moving assembly 300 is arranged inside the main box 100, the moving assembly 300 is arranged above the grounding switch assembly 200, the grounding wire input end assembly 400 is arranged inside the main box 100, the grounding wire input end assembly 400 is arranged at the front end of the switch assembly, the grounding wire output end assembly 500 is arranged inside the main box 100 and is connected with the switch assembly, the grounding switch assembly 200, the moving assembly 300, the grounding wire input end assembly 400 and the grounding wire output end assembly 500 are all multiple groups, the switch assembly and the moving assembly 300 can control the on-off of the grounding wire, the multiple groups of the grounding switch assembly 200, the moving assembly 300, the grounding wire input end assembly 400 and the grounding wire output end assembly 500 can arrange the grounding wires of different circuit elements at the same position, which is convenient for the grounding work of circuit workers and can ensure the safety during the grounding process.

[0039] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is based on the content of the present application specification and drawings, is also included in the patent protection range of the present application.

Claims

1. A combined grounding switch for subway use, characterized in that, The utility model provides a kind of ground switch, including: Main box; Ground switch assembly, the ground switch assembly is arranged inside the main box; Moving assembly, the moving assembly is arranged inside the main box, and the moving assembly is arranged above the ground switch assembly; Ground wire input end assembly, the ground wire input end assembly is arranged inside the main box, and the ground wire input end assembly is arranged at the front end of the switch assembly; Ground wire output end assembly, the ground wire output end assembly is arranged inside the main box and is connected with the switch assembly, and the ground wire input end assembly is arranged at the rear end of the switch assembly.

2. The combined grounding switch for subway according to claim 1, characterized in that, The ground switch assembly includes: flap, protection box, metal sheet, first connecting terminal, metal square frame, first connecting pivot, second connecting pivot and telescopic rod, the protection box is arranged inside the main box, the flap is connected with the protection box by the first connecting pivot, the inner wall of the flap is provided with a clamping groove, the telescopic rod is arranged at the bottom of the flap, the metal sheet is arranged in the clamping groove, the metal square frame is arranged below the metal sheet, the metal sheet is connected with the metal square frame through the second connecting pivot to form a loop, one end of the metal sheet is provided with a first connecting terminal, and the metal square frame is connected with the ground wire output end assembly to form a loop.

3. The combined grounding switch for subway according to claim 2, characterized in that, The surface of the flap is inclined towards the center from both ends.

4. The combined grounding switch for subway according to claim 1, characterized in that, The moving assembly includes: rotating shaft, knob and moving block, the rotating shaft is arranged inside the main box, the knob is connected with one end of the rotating shaft, the middle part of the rotating shaft is provided with a thread, and the moving block is arranged on the rotating shaft.

5. The combined grounding switch for subway according to claim 1, characterized in that, The ground wire input end assembly includes: input end ground wire, input end base, input end fixing screw and second connecting terminal, the input end base is arranged below the switch assembly, the input end ground wire is arranged inside the input end base, the input end fixing screw is arranged on the side surface of the input end base, the second connecting terminal is arranged above the input end ground wire, and the second connecting terminal is connected with the input end ground wire to form a loop.

6. The combined grounding switch for subway according to claim 2, characterized in that, The ground wire output end assembly includes: output end ground wire, output end base, output end fixing screw and third connecting terminal, the output end base is arranged below the metal square frame, the output end ground wire is arranged inside the output end base, the output end fixing screw is arranged on the side surface of the output end base, the third connecting terminal is arranged above the output end ground wire, and the third connecting terminal, the output end ground wire and the metal square frame are connected to form a loop.

7. The combined grounding switch for subway according to claim 1, characterized in that, The surface of the main box is provided with a label slot and a glass plate, and the ground switch assembly, the moving assembly, the ground wire input end assembly and the ground wire output end assembly each have multiple groups.

8. The combined grounding switch for subway according to claim 2, characterized in that, The main box, the flap, the protection box and the moving assembly are all made of insulating material.

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