Safe and stable isolated box closed type bus duct

Abstract

The utility model discloses a safe and stable isolated box closed type bus duct, which relates to the technical field of bus ducts and comprises an installation unit, a bus duct body, a heat dissipation unit, a protection unit and a clamping unit. The protection unit comprises a fixed side protection plate which is fixedly connected between the inner wall surfaces of the mounting unit and a movable side protection plate which is movably arranged between the inner wall surfaces of the mounting unit and is used for protecting the bus duct body, and the clamping unit comprises a fixed frame which is fixedly connected above and below one side of the movable side protection plate; and the positioning clamping column is movably arranged in the fixing frame and is used for clamping and fixing. According to the safe and stable partition box closed type bus duct, the bus duct body is convenient to disassemble and assemble through the fixed side protection plates and the movable side protection plates, good protection performance is provided, normal use of the bus duct body is guaranteed, the bus duct body is limited and clamped in a movable clamping mode, and the bus duct body is prevented from being damaged. The installation stability of the bus duct body is improved, and later disassembly maintenance or replacement is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of bus ducts, in particular to a safe and stable compartment-enclosed bus duct. Background Art

[0002] The bus duct is a closed metal device composed of copper and aluminum busbars. The bus duct features series matching, commercial production, small size, large capacity, short design and construction period, convenient assembly and disassembly, no burning, safe and reliable, and long service life. The bus duct products are suitable for three-phase four-wire and three-phase five-wire power supply and distribution system projects with AC 50Hz, rated voltage 380V, and rated current 250A-6300A.

[0003] Publication (announcement) number: CN213906239U, discloses a safe and stable compartment-enclosed bus duct, which is slidably connected between an upper cover plate and a lower cover plate by a left cover plate and a right cover plate, so that after the left cover plate and the right cover plate are fastened and assembled by bolts or screws, the upper cover plate arranged above can block the impact of rainwater, and prevent moisture from penetrating into the closed bus duct from the gap between the left cover plate and the right cover plate. The connection between the left cover plate and the right cover plate is reinforced by the upper cover plate and the lower cover plate. The installation is convenient and fast, and the fastening is reliable. It not only ensures the basic functions of safe use of the busbar, but also ensures the stable operation of the busbar and the safety of the operators, and the heat is dissipated by the heat sink to extend the service life of the busbar.

[0004] In the above patent, although the bus duct can be installed, the fastening method using bolts or screws will easily cause the bolts or screws to corrode over time and under the influence of the environment, making it inconvenient to disassemble or maintain the bus duct, and the operation is inconvenient. Therefore, it is necessary to provide a safe and stable compartment-enclosed bus duct. Utility Model Content

[0005] The main purpose of the utility model is to provide a safe and stable compartment-enclosed bus duct, which can effectively solve the problem that the fastening method using bolts or screws in the background technology will easily cause the bolts or screws to corrode over time and under the influence of the environment, making it inconvenient to disassemble or maintain the bus duct and causing inconvenience in operation.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a safe and stable compartment-enclosed bus duct, comprising an installation unit, a bus duct body arranged inside the installation unit, and a heat dissipation unit arranged on the upper and lower surfaces of the bus duct body, and also comprising a protection unit arranged on the outer surface of the bus duct body and a fixing unit arranged on one side of the protection unit;

[0007] The protection unit comprises a fixed side guard plate fixedly connected between the inner wall surfaces of the installation unit, and a movable side guard plate movably arranged between the inner wall surfaces of the installation unit for protecting the bus duct body;

[0008] The clamping unit comprises a fixing frame fixedly connected to the upper and lower parts of one side of the movable side guard plate, and a positioning clamping column movably arranged inside the fixing frame for clamping.

[0009] Preferably, the mounting unit comprises two mounting plates, sliding grooves formed on inner surfaces of the two mounting plates, and positioning holes formed on inner wall surfaces of the sliding grooves.

[0010] Preferably, the heat dissipation unit includes heat dissipation fins embedded inside the upper and lower surfaces of the fixed side guard plate and the movable side guard plate, and a heat conduction plate fixedly connected to one end of the heat dissipation fins.

[0011] Preferably, the protection unit also includes rectangular slots opened at both ends of one side of the fixed side guard plate, rectangular blocks fixedly connected to both ends of one side of the movable side guard plate, and corner pads fixedly connected at the right angles on the inner sides of the fixed side guard plate and the movable side guard plate.

[0012] Preferably, the fixing unit further comprises a rigid spring fixedly connected to one side of the positioning column, a movable hole provided at one end of the fixing frame, a pulling groove provided at one side of the fixing frame, and a pulling hole provided at one end of the positioning column.

[0013] Preferably, the upper and lower ends of the movable side guard plate are movably arranged inside the sliding groove, the upper and lower end widths of the movable side guard plate are adapted to the inner width of the sliding groove, and the inner diameter of the rectangular slot is adapted to the outer diameter of the rectangular block.

[0014] Preferably, the inner diameter of the movable hole is adapted to the outer diameter of the positioning column, the inner width of the pulling groove is larger than the diameter of the positioning column, the outer diameter of the positioning column is adapted to the inner diameter of the positioning hole, and the rigid spring is fixedly connected between the positioning column and the inner wall of the fixed frame.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, the two mounting plates can prevent the bus duct body from being invaded by rainwater after installation, and the fixed side guard plates and movable side guard plates are convenient for installation and disassembly of the bus duct body, and provide good protection performance, thereby ensuring the normal use of the bus duct body. The corner pads can be provided to prevent the bus duct body from being bumped during installation, thereby ensuring the intact performance of the bus duct body and having good practicality.

[0017] 2. In the utility model, after the bus duct body is placed into the interior of the fixed side guard plate, the movable side guard plate is pushed to move the movable side guard plate to one side inside the sliding groove until the rectangular clamping block completely enters the interior of the rectangular clamping groove. At this time, the positioning clamping column and the positioning clamping hole are on the same vertical plane, and move to the interior of the positioning clamping hole through the movable hole under the elastic action of the rigid spring, so that the movable side guard plate and the fixed side guard plate are clamped, so that the bus duct body is limitedly installed. When disassembly is required, it is only necessary to pull the positioning clamping column through the pulling hole to make one end of the positioning clamping column detach from the positioning clamping hole to pull the movable side guard plate, thereby exposing the bus duct body for maintenance or replacement. This structure limits the bus duct body by movable clamping, improves the installation stability of the bus duct body, and facilitates later disassembly for maintenance or replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front view internal cross-section structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 4 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0022] In the figure:

[0023] 100, mounting unit; 101, mounting plate; 102, sliding groove; 103, positioning hole;

[0024] 200, bus duct body;

[0025] 300, heat dissipation unit; 301, heat dissipation fins; 302, heat conduction plate;

[0026] 400, protection unit; 401, fixed side guard plate; 402, rectangular slot; 403, movable side guard plate;

[0027] 404, rectangular block; 405, corner pad;

[0028] 500, fixing unit; 501, fixing frame; 502, positioning column; 503, rigid spring; 504, movable hole; 505, pulling groove; 506, pulling hole. DETAILED DESCRIPTION Example

[0029] Please refer to Figure 1 — Figure 4As shown, the utility model is a safe and stable compartment-enclosed bus duct, comprising an installation unit 100, a bus duct body 200 arranged inside the installation unit 100, and a heat dissipation unit 300 arranged on the upper and lower surfaces of the bus duct body 200, and also comprising a protection unit 400 arranged on the outer surface of the bus duct body 200 and a fixing unit 500 arranged on one side of the protection unit 400;

[0030] The fixing unit 500 includes a fixing frame 501 fixedly connected to the upper and lower parts of one side of the movable side guard plate 403 , and a positioning post 502 for fixing that is movably arranged inside the fixing frame 501 .

[0031] like Figure 1 , Figure 2 and Figure 4 As shown, the installation unit 100 includes two installation plates 101, sliding grooves 102 opened on the inner surfaces of the two installation plates 101, and positioning holes 103 opened on the inner wall surfaces of the sliding grooves 102. The upper and lower installation plates 101 are arranged to facilitate the installation of the bus duct body 200 and avoid the invasion of rainwater, thereby ensuring the normal use of the bus duct body 200. The sliding grooves 102 and positioning holes 103 are arranged to facilitate the limiting and fixing of the bus duct body 200.

[0032] like Figure 2 and Figure 3 As shown, the heat dissipation unit 300 includes heat dissipation fins 301 embedded in the upper and lower surfaces of the fixed side guard plate 401 and the movable side guard plate 403, and a heat conducting plate 302 fixedly connected to one end of the heat dissipation fins 301. The heat conducting plate 302 is arranged to be tightly attached to the upper and lower surfaces of the bus duct body 200, so that the heat generated by the bus duct body 200 is adsorbed and conducted, and the heat is conducted out by the heat dissipation fins 301 for heat dissipation, thereby ensuring the heat dissipation effect of the bus duct body 200.

[0033] like Figure 1 — Figure 3 As shown, the protection unit 400 includes a fixed side guard plate 401 fixedly connected between the inner wall surfaces of the installation unit 100, and a movable side guard plate 403 movably arranged between the inner wall surfaces of the installation unit 100 for protecting the bus duct body 200. The protection unit 400 also includes rectangular slots 402 opened at both ends of one side of the fixed side guard plate 401, rectangular blocks 404 fixedly connected at both ends of one side of the movable side guard plate 403, and angle pads 405 fixedly connected at right angles on the inner sides of the fixed side guard plate 401 and the movable side guard plate 403. The upper and lower ends of the movable side guard plate 403 are movably arranged inside the sliding groove 102, the upper and lower end widths of the movable side guard plate 403 are adapted to the inner width of the sliding groove 102, and the inner diameter of the rectangular slot 402 is adapted to the outer diameter of the rectangular block 404.

[0034] Working principle: The two mounting plates 101 can prevent the bus duct body 200 from being invaded by rain after installation. The fixed side guard plates 401 and the movable side guard plates 403 are convenient for installation and disassembly of the bus duct body 200, and provide good protection performance to ensure the normal use of the bus duct body 200. The corner fixing pads 405 can prevent the bus duct body 200 from being bumped during installation, ensuring the intact performance of the bus duct body 200 and having good practicality. Example

[0035] Please refer to Figure 1 — Figure 4 As shown, the utility model is a safe and stable compartment-enclosed bus duct, comprising an installation unit 100, a bus duct body 200 arranged inside the installation unit 100, and a heat dissipation unit 300 arranged on the upper and lower surfaces of the bus duct body 200, and also comprising a protection unit 400 arranged on the outer surface of the bus duct body 200 and a fixing unit 500 arranged on one side of the protection unit 400;

[0036] The protection unit 400 includes a fixed side protection plate 401 fixedly connected between the inner wall surfaces of the installation unit 100 , and a movable side protection plate 403 movably arranged between the inner wall surfaces of the installation unit 100 for protecting the bus duct body 200 .

[0037] like Figure 1 , Figure 2 and Figure 4 As shown, the installation unit 100 includes two installation plates 101, sliding grooves 102 opened on the inner surfaces of the two installation plates 101, and positioning holes 103 opened on the inner wall surfaces of the sliding grooves 102. The upper and lower installation plates 101 are arranged to facilitate the installation of the bus duct body 200 and avoid the invasion of rainwater, thereby ensuring the normal use of the bus duct body 200. The sliding grooves 102 and positioning holes 103 are arranged to facilitate the limiting and fixing of the bus duct body 200.

[0038] like Figure 2 and Figure 3 As shown, the heat dissipation unit 300 includes heat dissipation fins 301 embedded in the upper and lower surfaces of the fixed side guard plate 401 and the movable side guard plate 403, and a heat conducting plate 302 fixedly connected to one end of the heat dissipation fins 301. The heat conducting plate 302 is arranged to be tightly attached to the upper and lower surfaces of the bus duct body 200, so that the heat generated by the bus duct body 200 is adsorbed and conducted, and the heat is conducted out by the heat dissipation fins 301 for heat dissipation, thereby ensuring the heat dissipation effect of the bus duct body 200.

[0039] like Figure 1 , Figure 2 and Figure 4As shown, the fixing unit 500 includes a fixed frame 501 fixedly connected to the upper and lower sides of one side of the movable side guard plate 403, and a positioning column 502 movably arranged inside the fixed frame 501 for fixing. The fixing unit 500 also includes a rigid spring 503 fixedly connected to one side of the positioning column 502, a movable hole 504 opened at one end of the fixed frame 501, a pulling groove 505 opened at one side of the fixed frame 501, and a pulling hole 506 opened at one end of the positioning column 502. The inner diameter of the movable hole 504 is matched with the outer diameter of the positioning column 502, the inner width of the pulling groove 505 is larger than the diameter of the positioning column 502, the outer diameter of the positioning column 502 is matched with the inner diameter of the positioning hole 103, and the rigid spring 503 is fixedly connected between the positioning column 502 and the inner wall of the fixed frame 501.

[0040] Working principle: After the bus duct body 200 is placed inside the fixed side guard plate 401, the movable side guard plate 403 is pushed to move the movable side guard plate 403 to one side inside the sliding groove 102 until the rectangular clamping block 404 completely enters the rectangular clamping groove 402. At this time, the positioning clamping column 502 and the positioning clamping hole 103 are on the same vertical plane, and move through the movable hole 504 to the inside of the positioning clamping hole 103 under the elastic action of the rigid spring 503, thereby aligning the movable side guard plate 403 with the fixed side guard plate 403. The guard plate 401 is fixed to limit the installation of the bus duct body 200. When disassembly is required, it is only necessary to pull the positioning column 502 through the pull hole 506 to disengage one end of the positioning column 502 from the positioning hole 103, and then the movable side guard plate 403 can be pulled, thereby exposing the bus duct body 200 for maintenance or replacement. This structure limits the position of the bus duct body 200 by moving and fixing it, thereby improving the installation stability of the bus duct body 200 and facilitating later disassembly for maintenance or replacement.

Claims

1. A safe and stable compartment-enclosed bus duct, comprising an installation unit (100), a bus duct body (200) arranged inside the installation unit (100), and a heat dissipation unit (300) arranged on the upper and lower surfaces of the bus duct body (200), characterized in that: It also includes a protection unit (400) arranged on the outer surface of the bus duct body (200) and a fixing unit (500) arranged on one side of the protection unit (400); The protection unit (400) comprises a fixed side protection plate (401) fixedly connected between the inner wall surfaces of the installation unit (100), and a movable side protection plate (403) movably arranged between the inner wall surfaces of the installation unit (100) and used for protecting the bus duct body (200); The fixing unit (500) comprises a fixing frame (501) fixedly connected to the upper and lower sides of one side of the movable side guard plate (403), and a positioning clamping column (502) for fixing and movably arranged inside the fixing frame (501).

2. A safe and stable compartment-enclosed bus duct according to claim 1, characterized in that: The mounting unit (100) comprises two mounting plates (101), sliding grooves (102) provided on the inner surfaces of the two mounting plates (101), and positioning holes (103) provided on the inner wall surfaces of the sliding grooves (102).

3. A safe and stable compartment-enclosed bus duct according to claim 1, characterized in that: The heat dissipation unit (300) comprises heat dissipation fins (301) embedded in the upper and lower surfaces of a fixed side guard plate (401) and a movable side guard plate (403), and a heat conduction plate (302) fixedly connected to one end of the heat dissipation fins (301).

4. A safe and stable compartment-enclosed bus duct according to claim 1, characterized in that: The protection unit (400) further comprises rectangular slots (402) provided at both ends of one side of the fixed side guard plate (401), rectangular blocks (404) fixedly connected to both ends of one side of the movable side guard plate (403), and corner fixing pads (405) fixedly connected at right angles inside the fixed side guard plate (401) and the movable side guard plate (403).

5. The safe and stable compartment-enclosed bus duct according to claim 2, characterized in that: The fixing unit (500) further comprises a rigid spring (503) fixedly connected to one side of the positioning column (502), a movable hole (504) provided at one end of the fixing frame (501), a pulling groove (505) provided at one side of the fixing frame (501), and a pulling hole (506) provided at one end of the positioning column (502).

6. A safe and stable compartment-enclosed bus duct according to claim 4, characterized in that: The upper and lower ends of the movable side guard plate (403) are movably arranged inside the sliding groove (102); the upper and lower end widths of the movable side guard plate (403) are matched to the internal width of the sliding groove (102); and the inner diameter of the rectangular clamping groove (402) is matched to the outer diameter of the rectangular clamping block (404).

7. The safe and stable compartment-enclosed bus duct according to claim 5, characterized in that: The inner diameter of the movable hole (504) matches the outer diameter of the positioning column (502); the inner width of the pulling groove (505) is greater than the diameter of the positioning column (502); the outer diameter of the positioning column (502) matches the inner diameter of the positioning hole (103); and the rigid spring (503) is fixedly connected between the positioning column (502) and the inner wall of the fixed frame (501).

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