Rail transit electrical equipment grounding device

Abstract

The utility model discloses a rail transit electrical equipment grounding device, which relates to the technical field of electrical equipment grounding devices and comprises an equipment box, a display is mounted on the upper portion of the left end of the equipment box, and a plurality of linearly distributed buttons are fixedly mounted on the lower portion of the left end of the equipment box. A plurality of uniformly distributed connecting ports are fixedly formed in the front surface of the equipment box, a sealing frame is fixedly connected to the left end of the equipment box, a sealing cover is hinged to the left end of the equipment box, and a free mounting mechanism is arranged at the upper end of the equipment box. According to the utility model, the sealing frame is additionally arranged on the equipment box, the sealing cover is additionally arranged on the equipment box, and the limiting frame is additionally arranged on the equipment box, so that the sealing cover can be limited through clamping connection between the limiting frame and the fixing plate when the device is not used; therefore, the control area of the equipment box can be sealed through the sliding connection between the sealing frame and the sealing cover, moist air is isolated, and equipment short circuit can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of grounding devices for electrical equipment, in particular to a grounding device for rail transit electrical equipment. Background Art

[0002] According to the patent authorization European announcement number: CN220358756U, a rail transit electrical equipment grounding junction box is proposed. The utility model discloses a rail transit electrical equipment grounding junction box, including: a box body and a bottom cover; a bracket arranged on the box body; and a grounding terminal arranged on the box body; it also includes a cable fastening device arranged on the box body, the fastening device has a sleeve, a fixing ring, a sleeve, a shock-absorbing sleeve and a locking head; the utility model is fixed in the hole of the junction box, the cable passes through the fastening device, and after tightening the locking head, the inclined surface on the inner side of the locking head will press the clamping claw of the sleeve, so that the clamping claw clamps the shock-absorbing sleeve and the cable, so that the cable is fastened to avoid the cable shaking and friction with the hole wall to cause damage.

[0003] However, the use environment of the grounding device in the prior art is generally relatively humid, which can easily cause a short circuit between the button and the display, affecting the normal use of the device. When installing the device, errors are easily generated at the connection of the installation position, resulting in the inability of the connection frame to be properly connected to the mounting frame. Therefore, the prior art needs to be improved. Utility Model Content

[0004] The utility model provides a grounding device for rail transit electrical equipment, which solves the technical problems that the device is easy to be short-circuited and the position of the mounting frame is inconvenient to adjust.

[0005] In order to solve the above technical problems, the utility model provides a grounding device for rail transit electrical equipment, including an equipment box, a display is installed on the upper left end of the equipment box, a plurality of buttons distributed in a straight line are fixedly installed on the lower left end of the equipment box, a plurality of evenly distributed connection ports are fixedly installed on the front of the equipment box, a sealing frame is fixedly connected to the left end of the equipment box, a sealing cover is hinged on the left end of the equipment box, a free installation mechanism is arranged on the upper end of the equipment box, a fixed seat is fixedly connected to the upper left end of the equipment box, a limiting frame is hinged inside the fixed seat, a fixing plate is fixedly connected to the upper end of the sealing cover, and a tension spring is arranged inside the fixed seat.

[0006] Preferably, the sealing cover is slidably connected to the sealing frame, and the sealing frame is made of a rubber material having a certain elasticity.

[0007] Preferably, one end of the tension spring is fixedly connected to the fixing seat, and the other end of the tension spring is fixedly connected to the limiting frame, and the tension spring can drive the limiting frame to automatically reset through elastic force.

[0008] Preferably, the limiting frame is clamped with the fixing plate, a glass plate is fixedly connected to the interior of the sealing cover, and the limiting frame can limit the sealing cover through the fixing plate.

[0009] Preferably, the free installation mechanism includes a fixed frame, the upper end of the equipment box is fixedly connected to the fixed frame, a screw is installed inside the fixed frame through a bearing, a movable frame is installed on the outside of the screw through a bearing, and a mounting frame is fixedly connected to the side of the movable frame away from the equipment box, a hexagonal slot is provided inside the screw, and a hexagonal wrench can be inserted into the hexagonal slot to drive the screw to rotate.

[0010] Preferably, the screw rod is in contact with the equipment box, and the movable frame is slidably connected to the equipment box. The screw rod can drive the mounting frame to move by cooperating with the thread of the movable frame.

[0011] Compared with the related art, the rail transit electrical equipment grounding device provided by the utility model has the following beneficial effects:

[0012] The utility model provides a rail transit electrical equipment grounding device. By adding a sealing frame to the equipment box, a sealing cover to the equipment box, a limiting frame and other structures to the equipment box, when the device is not needed, the sealing cover can be limited by the clamping connection between the limiting frame and the fixing plate, so that the control area of ​​the equipment box can be sealed by the sliding connection between the sealing frame and the sealing cover to isolate humid air, thereby effectively avoiding equipment short circuit.

[0013] The utility model provides a grounding device for rail transit electrical equipment. By adding a fixed frame to the equipment box, adding a mobile frame to the equipment box, and adding structures such as screws inside the fixed frame, the mounting frame can be driven to move through the threaded cooperation between the screw and the mobile frame during use, so that the position of the mounting frame can be conveniently adjusted, the mounting frame can be made to correspond to the holes in the installation area, and the installation can be made more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A front cross-sectional view of

[0016] Figure 3 For the utility model Figure 1 A magnified view of the structure of part A;

[0017] Figure 4 For the utility model Figure 2 A magnified view of the structure of part B;

[0018] Figure 5 For the utility model Figure 1 Expanded view of the sealing cover.

[0019] Numbers in the figure: 1. Equipment box; 2. Display; 3. Button; 4. Connection port; 5. Sealing frame; 6. Sealing cover; 7. Glass plate; 8. Free installation mechanism; 9. Fixed seat; 10. Limiting frame; 11. Fixed plate; 12. Tension spring; 81. Fixed frame; 82. Screw; 83. Mobile frame; 84. Mounting frame; 85. Hexagonal slot. DETAILED DESCRIPTION

[0020] See also Figure 1 , Figure 2 , Figure 4 , Figure 5 A grounding device for rail transit electrical equipment comprises an equipment box 1, a display 2 is installed on the upper left end of the equipment box 1, a plurality of buttons 3 distributed in a straight line are fixedly installed on the lower left end of the equipment box 1, a plurality of evenly distributed connection ports 4 are fixedly installed on the front of the equipment box 1, a sealing frame 5 is fixedly connected to the left end of the equipment box 1, a sealing cover 6 is hinged on the left end of the equipment box 1, a free installation mechanism 8 is arranged on the upper end of the equipment box 1, a fixing seat 9 is fixedly connected to the left upper end of the equipment box 1, a limiting frame 10 is hinged inside the fixing seat 9, a fixing plate 11 is fixedly connected to the upper end of the sealing cover 6, and a tension spring 12 is arranged inside the fixing seat 9.

[0021] See also Figure 1 , Figure 2 , Figure 4 The sealing cover 6 is slidably connected to the sealing frame 5. The sealing frame 5 is made of rubber material, and the rubber material has a certain elasticity. One end of the tension spring 12 is fixedly connected to the fixing seat 9, and the other end of the tension spring 12 is fixedly connected to the limiting frame 10. The tension spring 12 can drive the limiting frame 10 to automatically reset through elastic force. The limiting frame 10 is clamped with the fixing plate 11. The inside of the sealing cover 6 is fixedly connected with a glass plate 7, and the limiting frame 10 can limit the sealing cover 6 through the fixing plate 11.

[0022] See also Figure 1 , Figure 3 , Figure 5 The free installation mechanism 8 includes a fixed frame 81, the upper end of the equipment box 1 is fixedly connected with the fixed frame 81, the interior of the fixed frame 81 is installed with a screw 82 through a bearing, the outer side of the screw 82 is installed with a movable frame 83 through a bearing, and the movable frame 83 is fixedly connected with a mounting frame 84 on the side away from the equipment box 1. A hexagonal groove 85 is provided inside the screw 82, and a hexagonal wrench can be inserted into the hexagonal groove 85 to drive the screw 82 to rotate. The screw 82 contacts the equipment box 1, and the movable frame 83 is slidably connected to the equipment box 1. The screw 82 can drive the mounting frame 84 to move by threaded cooperation with the movable frame 83.

[0023] Working principle: When in use, the screw rod 82 is driven to rotate by a hexagonal wrench. During the rotation process, the screw rod 82 can drive the mounting frame 84 to move through the threaded cooperation with the moving frame 83, and the position of the mounting frame 84 can be adjusted, so that the mounting frame 84 can be more corresponding to the hole of the installation area, which can make the equipment box 1 easier to install;

[0024] When the equipment box 1 needs to be debugged, the limit frame 10 is flipped upwards, and the limit frame 10 stretches the tension spring 12. When the limit frame 10 is separated from the fixed plate 11, the limit on the sealing cover 6 can be released, and then the sealing cover 6 can be opened to debug the equipment. After the debugging is completed, the sealing cover 6 is flipped to the inside of the sealing frame 5, and then the limit frame 10 is released, and the tension spring 12 is reset. The tension spring 12 can drive the limit frame 10 to be clamped to the outside of the fixed plate 11 through elastic force to limit the sealing cover 6, so as to complete the sealing of the display 2 and the button 3 to avoid a short circuit between the two.

Claims

1. A rail transit electrical equipment grounding device, comprising an equipment box (1), characterized in that: A display (2) is installed on the upper left end of the device box (1), a plurality of buttons (3) distributed in a straight line are fixedly installed on the lower left end of the device box (1), a plurality of evenly distributed connection ports (4) are fixedly installed on the front of the device box (1), a sealing frame (5) is fixedly connected to the left end of the device box (1), a sealing cover (6) is hingedly connected to the left end of the device box (1), a free installation mechanism (8) is arranged at the upper end of the device box (1), a fixed seat (9) is fixedly connected to the left upper end of the device box (1), a limited position frame (10) is hingedly provided inside the fixed seat (9), a fixed plate (11) is fixedly connected to the upper end of the sealing cover (6), and a tension spring (12) is arranged inside the fixed seat (9).

2. A rail transit electrical equipment grounding device according to claim 1, characterized in that: The sealing cover (6) is slidably connected to the sealing frame (5), and the sealing frame (5) is made of rubber material.

3. A rail transit electrical equipment grounding device according to claim 1, characterized in that: One end of the tension spring (12) is fixedly connected to the fixing seat (9), and the other end of the tension spring (12) is fixedly connected to the limiting frame (10).

4. A rail transit electrical equipment grounding device according to claim 1, characterized in that: The limiting frame (10) is clamped with the fixing plate (11), and a glass plate (7) is fixedly connected to the interior of the sealing cover (6).

5. A rail transit electrical equipment grounding device according to claim 1, characterized in that: The free installation mechanism (8) comprises a fixed frame (81), the upper end of the device box (1) is fixedly connected to the fixed frame (81), a screw rod (82) is installed inside the fixed frame (81) via a bearing, a movable frame (83) is installed outside the screw rod (82) via a bearing, a mounting frame (84) is fixedly connected to a side of the movable frame (83) away from the device box (1), and a hexagonal groove (85) is provided inside the screw rod (82).

6. A rail transit electrical equipment grounding device according to claim 5, characterized in that: The screw rod (82) is in contact with the equipment box (1), and the movable frame (83) is slidably connected to the equipment box (1).

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