Improved fireproof bus duct

Abstract

The utility model discloses an improved fire-resistant bus duct which comprises a shell, side plates are arranged at two ends of the shell, a wiring board is arranged in the shell, a first heat insulation layer is arranged in the shell, a cover plate is arranged at the upper end of the shell, a second heat insulation layer is arranged at the lower end of the cover plate, a flattening structure is arranged in the shell, a groove is formed in the upper end of the cover plate, and a fireproof layer is arranged in the groove. A connecting structure is arranged in the groove; the connecting structure comprises a moving block, a shifting plate is arranged at the upper end of the moving block, a moving plate is arranged at the lower end of the moving block, a guide rod is arranged in the groove, the moving plate is connected with the guide rod in a sleeving mode, a spring is arranged on the surface of the guide rod in a sleeving mode, the second heat insulation layer is in a U shape, and an inserting rod is inserted into one end of the second heat insulation layer. Compared with the prior art, the utility model has the advantages that not only can the heat insulation plate be conveniently mounted and dismounted, but also the electric wire can be conveniently flattened.

Description

Technical Field

[0001] The utility model relates to the field of bus ducts, in particular to an improved fire-resistant bus duct. Background Art

[0002] Bus duct is a closed metal device composed of copper and aluminum busbars, which is used to distribute high power to various components of the distributed system. It has increasingly replaced wires and cables in indoor low-voltage power transmission trunk line projects.

[0003] In the prior art, the heat insulation board of the bus duct is installed with the bus duct by bolts and nuts. It is cumbersome to disassemble when the heat insulation board needs to be replaced after long-term use. The bolts and nuts are rusted after long-term use and are not convenient to disassemble. In addition, the existing bus duct terminal board is not equipped with a flattening device. The wires and cables on the surface of the terminal board may be bent and curled, affecting the heat dissipation of the wires, thereby increasing the possibility of fire in the bus duct. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the above technical defects and provide an improved fire-resistant bus duct which can not only facilitate the installation and removal of the insulation board, but also facilitate the flattening of the wires.

[0005] In order to solve the above problems, the technical solution of the utility model is: an improved fire-resistant bus duct, comprising a shell, side plates are provided at both ends of the shell, a terminal block is provided inside the shell, a first heat insulation layer is provided inside the shell, a cover plate is provided at the upper end of the shell, a second heat insulation layer is provided at the lower end of the cover plate, a flattening structure is provided inside the shell, a groove is provided at the upper end of the cover plate, and a connecting structure is provided inside the groove;

[0006] Preferably, the connecting structure includes a moving block, a shift plate is provided at the upper end of the moving block, a moving plate is provided at the lower end of the moving block, a guide rod is provided inside the groove, the moving plate is sleeved on the guide rod, a spring is sleeved on the surface of the guide rod, the second insulation layer is U-shaped, and an insertion rod is inserted at one end of the second insulation layer.

[0007] Furthermore, the spring is located between the movable plate and the groove, the insertion rod is fixedly connected to the movable plate, and the groove is connected to the second insulation layer.

[0008] Furthermore, the flattening structure includes an unfolding plate, which is sleeved on the surface of the terminal block, with threaded sleeves at both ends of the unfolding plate, a screw rod is provided inside the shell, the direction of the screw rod is parallel to the terminal block, and a motor is provided at one end of the screw rod.

[0009] Furthermore, the threaded sleeve is threadedly connected to the screw rod.

[0010] Furthermore, the heat insulation layer 1 is located at two sides of the shell, slots are provided at two ends of the shell, and plug blocks are provided at two ends of the heat insulation layer 1, and the plug blocks are plugged into the slots.

[0011] The advantages of the utility model compared with the existing technology are:

[0012] (1) The utility model drives the moving block to move by the shifting plate, and the moving block drives the moving plate to move, so that the moving plate moves to compress the spring, and the moving plate moves to drive the insertion rod to separate from the second insulation layer, so that the second insulation layer can be disassembled for replacement;

[0013] (2) The motor of the utility model drives the screw to rotate, thereby driving the threaded sleeve to move along the direction of the screw, thereby driving the flattening structure to move on the surface of the terminal block, and can flatten the uneven areas on the surface of the terminal block. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an overall stereogram of an improved fire-resistant bus duct of the utility model.

[0015] Figure 2 It is an internal stereogram of an improved fire-resistant bus duct of the utility model.

[0016] Figure 3 The utility model is an internal top view of an improved fire-resistant bus duct.

[0017] Figure 4 The utility model is an internal front view of an improved fire-resistant bus duct.

[0018] Figure 5 It is an enlarged view of point A of an improved fire-resistant bus duct of the utility model.

[0019] As shown in the figure: 1. Shell; 2. Side panel; 3. Terminal block; 4. Insulation layer 1; 5. Cover plate; 6. Insulation layer 2; 7. Connection structure; 8. Flattening structure; 9. Groove; 10. Moving block; 11. Moving plate; 12. Guide rod; 13. Spring; 14. Insert rod; 15. Flattening plate; 16. Threaded sleeve; 17. Screw; 18. Motor; 19. Slot; 20. Insert block; 21. Dial plate. DETAILED DESCRIPTION

[0020] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0021] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0023] like Figures 1 to 5 As shown, an improved fire-resistant bus duct includes a shell 1, side panels 2 are installed at both ends of the shell 1, a terminal block 3 is installed inside the shell 1, a heat insulation layer 4 is installed inside the shell 1, the heat insulation layer 4 is located on both sides of the shell 1, slots 19 are opened at both ends of the shell 1, plug blocks 20 are installed at both ends of the heat insulation layer 4, and the plug blocks 20 are plugged into the slots 19 to facilitate the installation of the heat insulation layer 4.

[0024] The cover plate 5 is installed at the upper end of the shell 1, and the heat insulation layer 6 is installed at the lower end of the cover plate 5. A groove 9 is provided at the upper end of the cover plate 5, and a connecting structure 7 is installed inside the groove 9. The connecting structure 7 is used to connect the heat insulation layer 6 with the cover plate 5 for easy installation and disassembly. The connecting structure 7 includes a moving block 10, which is located at the upper end of the groove 9. A dial plate 21 is installed at the upper end of the moving block 10. The dial block 21 is convenient for driving the moving block 10 to move. A moving plate 11 is installed at the lower end of the moving block 10. The moving plate 11 is located inside the groove 9. A guide is installed inside the groove 9. Rod 12, guide rod 12 is inside the cover plate 5, movable plate 11 is sleeved with guide rod 12, movable plate 11 can slide on the surface of guide rod 12, spring 13 is sleeved on the surface of guide rod 12, spring 13 is located between movable plate 11 and groove 9, spring 13 can reset movable plate 11, thermal insulation layer 2 6 is U-shaped, groove 9 is connected to thermal insulation layer 2 6, one end of thermal insulation layer 2 6 is inserted with plug rod 14, plug rod 14 is fixedly connected to movable plate 11, and when plug rod 14 is inserted into thermal insulation layer 2 6, thermal insulation layer 2 6 can be fixed.

[0025] When disassembly is required, the moving block 10 is moved by the shift plate 21, and the moving block 10 drives the moving plate 11 to move, so that the moving plate 10 moves the compression spring 13, and the moving plate 10 moves to drive the insertion rod 14 to separate from the insulation layer 2 6, so that the insulation layer 2 6 can be disassembled and replaced.

[0026] A flattening structure 8 is installed inside the shell 1, and the flattening structure 8 includes a flat plate 15, which is sleeved on the surface of the terminal block 3. Threaded sleeves 16 are installed at both ends of the flat plate 15. A screw 17 is installed inside the shell 1, and the direction of the screw 17 is parallel to the terminal block 3. A motor 18 is installed at one end of the screw 17, and the other end of the screw 17 is rotatably connected to the inside of the shell 1. The motor 18 drives the screw 17 to rotate, and the threaded sleeve 16 is threadedly connected to the screw 17, thereby driving the threaded sleeve 16 to move along the direction of the screw 17, thereby driving the flattening structure 8 to move on the surface of the terminal block, which can prevent the surface of the terminal block 3 from bending and affecting heat dissipation.

[0027] During specific use, the motor 18 drives the screw 17 to rotate, thereby driving the threaded sleeve 16 to move along the direction of the screw 17, thereby driving the flattening structure 8 to move on the surface of the terminal board, and can flatten the uneven surface of the terminal board 3. When the thermal insulation layer 26 needs to be replaced, the moving block 10 is driven to move by the dial plate 21, and the moving block 10 drives the moving plate 11 to move, so that the moving plate 10 moves the compression spring 13, and the movement of the moving plate 10 drives the plug 14 to disengage from the thermal insulation layer 26. The thermal insulation layer 26 can be removed for replacement, and the method for installing the thermal insulation layer 26 is the same as above.

[0028] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An improved fire-resistant bus duct, characterized in that: The invention comprises a shell (1), side plates (2) are provided at both ends of the shell (1), a wiring board (3) is provided inside the shell (1), a heat insulation layer 1 (4) is provided inside the shell (1), a cover plate (5) is provided at the upper end of the shell (1), a heat insulation layer 2 (6) is provided at the lower end of the cover plate (5), a flattening structure (8) is provided inside the shell (1), a groove (9) is provided at the upper end of the cover plate (5), and a connecting structure (7) is provided inside the groove (9); The connecting structure (7) comprises a moving block (10), a shifting plate (21) is provided at the upper end of the moving block (10), a moving plate (11) is provided at the lower end of the moving block (10), a guide rod (12) is provided inside the groove (9), the moving plate (11) is sleeved on the guide rod (12), a spring (13) is sleeved on the surface of the guide rod (12), the second heat insulation layer (6) is U-shaped, and an insertion rod (14) is inserted at one end of the second heat insulation layer (6).

2. The improved fire-resistant bus duct according to claim 1, characterized in that: The spring (13) is located between the moving plate (11) and the groove (9), the insertion rod (14) is fixedly connected to the moving plate (11), and the groove (9) is connected to the second heat insulation layer (6).

3. The improved fire-resistant bus duct according to claim 1, characterized in that: The flattening structure (8) comprises an unfolding plate (15), the unfolding plate (15) is sleeved on the surface of the wiring board (3), threaded sleeves (16) are provided at both ends of the unfolding plate (15), a screw rod (17) is provided inside the housing (1), the direction of the screw rod (17) is parallel to the wiring board (3), and a motor (18) is provided at one end of the screw rod (17).

4. The improved fire-resistant bus duct according to claim 3, characterized in that: The threaded sleeve plate (16) is threadedly connected to the screw rod (17).

5. The improved fire-resistant bus duct according to claim 1, characterized in that: The heat insulation layer 1 (4) is located at two sides of the shell (1), slots (19) are provided at two ends of the shell (1), and plug blocks (20) are provided at two ends of the heat insulation layer 1 (4), and the plug blocks (20) are plugged into the slots (19).

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