Fireproof bus duct structure

Abstract

The utility model relates to the technical field of bus ducts, and discloses a fireproof bus duct structure, which comprises a shell and a top shell arranged at the top of the shell, a lower insulating strip is arranged on the inner bottom wall of the shell, two mounting cylinders are arranged on the inner bottom wall of the shell, and elastic positioning assemblies are arranged in the two mounting cylinders. And connecting plates are mounted at the bottoms of the two elastic positioning assemblies, penetrate through the outer part of the mounting cylinder, and are fixedly provided with upper insulating strips. According to the fire-resistant bus duct structure, the fixed lower insulating strip and the upper insulating strip capable of moving up and down are mounted in the shell, so that the conducting bar can be conveniently dismounted and mounted between the lower insulating strip and the upper insulating strip, and meanwhile, the position of the conducting bar can be conveniently adjusted, so that the bus duct achieves the effect of conveniently mounting and adjusting the conducting bar; the top shell achieves the effect of being convenient to fix and install through the mode that the clamping blocks on the iron sheets are clamped with the clamping holes in the top shell.

Description

Technical Field

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

[0002] Bus duct is a closed metal device composed of copper and aluminum busbars. It is used to distribute large power to various components of the decentralized system. It has increasingly replaced wires and cables in indoor low-voltage power transmission trunk projects. The characteristics of bus duct are: it has series matching, commercial production, small size, large capacity, short design and construction period, easy installation and disassembly, no combustion, safe and reliable, and long service life. 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] The existing fire-resistant bus duct can only be fixedly installed during use and installation, which makes it inconvenient to adjust the conductive bar inside the shell, inconvenient to install and use, and reduces the installation efficiency. In addition, the top shell is not easy to disassemble, which increases the installation time. Therefore, a fire-resistant bus duct structure is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a fire-resistant bus duct structure, which has the advantages of easy installation and adjustment of conductive bars and top shells, and solves the problem that the bus duct is inconvenient to install and adjust the conductive bars and top shells.

[0006] Technical Solution

[0007] In order to achieve the above-mentioned purpose of facilitating the installation and adjustment of the conductive bar and the top shell, the utility model provides the following technical solutions:

[0008] A fire-resistant bus duct structure comprises a shell and a top shell installed on the top of the shell, a lower insulating strip is installed on the inner bottom wall of the shell, two mounting tubes are installed on the inner bottom wall of the shell, elastic positioning components are arranged inside the two mounting tubes, connecting plates are installed at the bottom of the two elastic positioning components, the two connecting plates pass through the outside of the mounting tubes and are fixedly installed with an upper insulating strip, wherein the upper insulating strip is located directly above the lower insulating strip, and the top shell is slidably installed on the top of the shell.

[0009] As a preferred technical solution of the utility model, an opening is vertically provided on the side wall of the installation tube, and the connecting plate extends to the outside of the installation tube through the opening.

[0010] As a preferred technical solution of the utility model, the elastic positioning assembly includes a positioning spring fixedly mounted on the inner top wall of the mounting tube, and a positioning rod installed inside the positioning spring, wherein one end of the positioning spring is fixedly connected to the inner top wall of the mounting tube, and the other end is connected to the side wall of the positioning rod, wherein the connecting plate is fixedly mounted on the bottom of the positioning rod.

[0011] As a preferred technical solution of the utility model, a through hole is provided at the top of the installation tube, and the top of the positioning rod extends to the top of the installation tube through the through hole.

[0012] As a preferred technical solution of the utility model, an upper card slot is provided at the bottom of the upper insulating strip, and a lower card slot is provided at the top of the lower insulating strip, wherein the positions of the upper card slot and the lower card slot correspond to each other.

[0013] As a preferred technical solution of the utility model, limiting sliders are installed on the two opposite inner walls of the top shell, and limiting grooves are transversely opened on the two separated side walls of the shell, wherein the two limiting sliders are slidably connected to the two limiting grooves respectively.

[0014] As a preferred technical solution of the utility model, an iron sheet is installed on the side wall of the shell, a clamping block is installed on the side wall of the iron sheet close to the shell, and a clamping hole is opened on the side wall of the top shell, wherein the clamping block is clamped with the clamping hole.

[0015] Beneficial Effects

[0016] Compared with the prior art, the utility model provides a fire-resistant bus duct structure with the following features:

[0017] Beneficial effects:

[0018] The fire-resistant bus duct structure has a fixed lower insulating strip and an upper insulating strip that can move up and down installed inside the shell, so that the conductive bar can be easily removed and installed from between the lower insulating strip and the upper insulating strip, and it is also convenient to adjust the position of the conductive bar, so that the bus duct can achieve the effect of facilitating the installation and adjustment of the conductive bar, and the top shell can achieve the effect of facilitating fixed installation by means of the clamping block on the iron sheet and the clamping hole on the top shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the structural patch of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the installation tube of the utility model;

[0022] Figure 4 The utility model structure Figure 1 A partial enlarged schematic diagram of part A shown;

[0023] Figure 5 The utility model structure Figure 1 A partial enlarged schematic diagram of part B is shown.

[0024] In the figure: 1. shell; 2. top shell; 3. iron sheet; 4. clamping hole; 5. lower insulating strip; 6. upper insulating strip; 7. mounting tube; 8. clamping block; 9. positioning rod; 10. positioning spring; 11. connecting plate; 12. limiting slide groove; 13. limiting slider; 14. upper clamping groove; 15. lower clamping groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Example 1

[0029] See also Figure 1-5A fire-resistant bus duct structure comprises a shell 1 and a top shell 2 installed on the top of the shell 1, wherein the shell 1 is concave and is used to install a conductive bar, and the top shell 2 is inverted concave and is used to cover the shell 1, and a lower insulating strip 5 is installed on the inner bottom wall of the shell 1, wherein the lower insulating strip 5 is fixedly installed on the inner bottom wall of the shell 1 in a vertical state with the guide groove, and is located near one end of the shell 1, and two mounting tubes 7 are installed on the inner bottom wall of the shell 1, wherein the two mounting tubes 7 are installed near the two ends of the lower insulating strip 5, and elastic positioning components are arranged inside the two mounting tubes 7, and connecting plates 11 are installed at the bottom of the two elastic positioning components, and the two connecting plates 11 are penetrated to the outside of the mounting tube 7, and an upper insulating strip 6 is fixedly installed, wherein an opening is vertically arranged on the side wall of the mounting tube 7, and the connecting plate 11 extends to the outside of the mounting tube 7 through the opening, wherein the elastic positioning component comprises a positioning spring 10 fixedly installed on the inner top wall of the mounting tube 7, and a positioning rod 9 installed inside the positioning spring 10, wherein one end of the positioning spring 10 is connected to the The inner top wall of the mounting tube 7 is fixedly connected, and the other end is connected to the side wall of the positioning rod 9, wherein the connecting plate 11 is fixedly mounted on the bottom of the positioning rod 9, so that the positioning rod 9 can maintain a downward movement tendency through the elastic force of the positioning spring 10, and then the two connecting plates 11 can maintain a downward movement tendency, and then the upper insulating strip 6 can maintain a downward movement tendency, wherein the upper insulating strip 6 is located directly above the lower insulating strip 5, so that the upper insulating strip 6 can fix the conductive bar between the upper insulating strip 6 and the lower insulating strip 5, so that one end of the conductive bar can achieve the effect of easy installation and adjustment, and the other end of the conductive bar is installed and fixed in the same way, and the top shell 2 is slidably mounted on the top of the shell 1, wherein the two opposite inner walls of the top shell 2 are both installed with limit sliders 13, and the two separated side walls of the shell 1 are both transversely provided with limit slide grooves 12, wherein the two limit sliders 13 are respectively slidably connected with the two limit slide grooves 12, and the top shell 2 is easily installed on the shell 1 through the sliding connection.

[0030] In this embodiment, a through hole is provided at the top of the mounting tube 7, and the top of the positioning rod 9 extends to the top of the mounting tube 7 through the through hole, so that when the conductive bus needs to be adjusted or removed, the positioning rod 9 can be pulled upward to move the connecting plate 11 and the upper insulating strip 6 upward, and the conductive bus can be removed or the position adjusted.

[0031] Example 2

[0032] On the basis of the above embodiments, in this embodiment, an upper card slot 14 is provided at the bottom of the upper insulating strip 6, and a lower card slot 15 is provided at the top of the lower insulating strip 5, wherein the positions of the upper card slot 14 and the lower card slot 15 correspond to each other, and through the upper card slot 14 and the lower card slot 15, the conductive bar can be stably fixed between the upper insulating strip 6 and the lower insulating strip 5.

[0033] In this embodiment, an iron sheet 3 is installed on the side wall of the shell 1, and a clamping block 8 is installed on the side wall of the iron sheet 3 close to the shell 1. A clamping hole 4 is opened on the side wall of the top shell 2, and the clamping block 8 is clamped with the clamping hole 4. The iron sheet 3 has a certain elastic force, so that the clamping block 8 can be stably clamped with the clamping hole 4, thereby achieving the effect of facilitating the fixing of the top shell 2.

[0034] Working principle: when it is necessary to install the conductive bar, pull the two positioning rods 9 upwards to move the two connecting plates 11 upwards, thereby moving the upper insulating strip 6 upwards, and then install one end of the conductive bar in the lower slot 15 of the lower insulating strip 5, and then slowly release the two positioning rods 9, so that the positioning rods 9 move downwards through the elastic force of the positioning springs 10, thereby moving the connecting plates 11 and the upper insulating strip 6 downwards, until the upper slot 14 of the upper insulating strip 6 clamps the top of the conductive bar, thereby fixing one end of the conductive bar, wherein the other end of the conductive bar is fixed in the same way, thereby achieving the effect of facilitating the fixed installation and adjustment of the conductive bar. After the conductive bar is installed, the top shell 2 is slidably installed on the shell 1 along the direction of the limiting slide groove 12 until it moves to the iron sheet 3, and the clamping block 8 of the iron sheet 3 is clamped with the clamping hole 4 to achieve the effect of fixed installation of the top shell 2.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire-resistant bus duct structure, comprising a shell and a top shell installed on the top of the shell, characterized in that: A lower insulating strip is installed on the inner bottom wall of the shell, and two mounting tubes are installed on the inner bottom wall of the shell. Elastic positioning components are arranged inside the two mounting tubes, and connecting plates are installed at the bottom of the two elastic positioning components. The two connecting plates pass through the outside of the mounting tubes and are fixedly installed with an upper insulating strip, wherein the upper insulating strip is located directly above the lower insulating strip, and the top shell is slidably installed on the top of the shell.

2. A fire-resistant bus duct structure according to claim 1, characterized in that: An opening is vertically arranged on the side wall of the installation tube, and the connecting plate extends to the outside of the installation tube through the opening.

3. A fire-resistant bus duct structure according to claim 1, characterized in that: The elastic positioning assembly includes a positioning spring fixedly mounted on the inner top wall of the mounting tube, and a positioning rod installed inside the positioning spring, wherein one end of the positioning spring is fixedly connected to the inner top wall of the mounting tube, and the other end is connected to the side wall of the positioning rod, wherein the connecting plate is fixedly mounted on the bottom of the positioning rod.

4. A fire-resistant bus duct structure according to claim 3, characterized in that: A through hole is provided on the top of the installation tube, and the top of the positioning rod extends to the top of the installation tube through the through hole.

5. The fire-resistant bus duct structure according to claim 1, characterized in that: An upper clamping groove is formed at the bottom of the upper insulating strip, and a lower clamping groove is formed at the top of the lower insulating strip, wherein the positions of the upper clamping groove and the lower clamping groove correspond to each other.

6. The fire-resistant bus duct structure according to claim 1, characterized in that: The two opposite inner walls of the top shell are both equipped with limit slide blocks, and the two separated side walls of the shell are both transversely provided with limit slide grooves, wherein the two limit slide blocks are respectively slidably connected with the two limit slide grooves.

7. The fire-resistant bus duct structure according to claim 1, characterized in that: An iron sheet is installed on the side wall of the shell, a clamping block is installed on the side wall of the iron sheet close to the shell, and a clamping hole is opened on the side wall of the top shell, wherein the clamping block is clamped with the clamping hole.

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