CN220652931U

CN220652931U - Fire-resistant bus duct

Info

Publication number: CN220652931U
Application number: CN202322259010.4U
Authority: CN
Inventors: 黄宏斌; 霍梦阳
Original assignee: Qingdao Dongyineng Electrical Technology Development Co ltd
Current assignee: Qingdao Dongyineng Electrical Technology Development Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-22
Anticipated expiration: 2033-08-22

Abstract

The utility model belongs to the technical field of bus ducts, and particularly relates to a fire-resistant bus duct, which comprises a shell and a limiting pressing mechanism, wherein the limiting pressing mechanism is used for adjusting limiting pressing of a bus in the bus duct so as to conveniently prevent the bus from being damaged when fire occurs, one side of the shell is provided with a copper bar, the top end of the shell is provided with a locking switch, the limiting pressing mechanism is positioned at the top end inside the shell, and a clamping mechanism is arranged below the limiting pressing mechanism. According to the utility model, the bus in the bus duct is clamped and fixed through the adjustment of the clamping mechanism, and the outer wall of the shell can be adjusted to be limited through the limiting plate, so that the heat dissipation in the shell can be conveniently adjusted, the spring damper drives the pressing plate to move downwards when a fire happens, so that the bus is limited and pressed, and the bus in the bus duct is prevented from being damaged when the fire happens.

Description

Fire-resistant bus duct

Technical Field

The utility model belongs to the technical field of bus ducts, and particularly relates to a fire-resistant bus duct.

Background

The fire-resistant bus duct consists of a shell coated with fire-resistant paint, a bus wrapped with fire-resistant mica tape and a bracket made of fire-resistant insulating material. The support is provided with a plurality of grooves, and the grooves are internally provided with buses and fix the buses. The fire-resistant bus duct has excellent insulating property, can be continuously used in normal environment and can be continuously used for more than one hour in fire environment, and can be suitable for high-rise buildings and important facilities to replace fire-resistant cables to perform power transmission and distribution functions.

Through retrieving, the patent of publication number CN218482629U, the above-mentioned patent will slide along the surface of diaphragm through the framework, and with effort transmission to first spring, through being provided with first spring, play the purpose of buffering, do benefit to the protection fire-resistant bus duct, when fire-resistant bus duct receives vertical striking, the diaphragm will slide along the slide bar surface, and with effort transmission to the second spring, through being provided with the second spring, when fire-resistant bus duct receives vertical striking, play the purpose of buffering, do benefit to the protection fire-resistant bus duct.

And fire-resistant bus duct need dispel the heat when using, when the fire, need protect the generating line in the bus duct, above-mentioned equipment does not adjust the heat dissipation to the generating line and does not have the protection to the generating line when the fire when using, causes the generating line impaired when the fire easily.

Disclosure of Invention

The utility model aims to solve the problems and provide the fire-resistant bus duct.

The utility model realizes the above purpose through the following technical scheme:

the fire-resistant bus duct comprises a shell and further comprises a limiting pressing mechanism used for adjusting limiting pressing of buses in the bus duct so as to conveniently prevent the buses from being damaged when fire occurs, wherein one side of the shell is provided with copper bars, the top end of the shell is provided with a locking switch, the limiting pressing mechanism is positioned at the top end inside the shell, and a clamping mechanism is arranged below the limiting pressing mechanism;

the limiting pressing mechanism comprises a spring damper, the spring damper is fixedly arranged on the inner wall of the shell, the lower end of the spring damper is fixedly connected with a pressing plate, the lower end of the pressing plate is fixedly provided with a jacking block, and one side of the pressing plate is fixedly provided with a limiting plate.

Preferably, the clamping mechanism comprises a second spring, the second spring is fixedly connected to one side of the copper bar, and a clamping plate is fixedly connected to the other side of the second spring.

Preferably, a plurality of pressing plates are arranged, and each pressing plate is connected with the copper bar in a sliding mode.

Preferably, a limiting rod is arranged below the limiting plate, one side of the limiting rod is fixedly connected with a first spring, and the limiting rod is in sliding connection with the shell.

Preferably, the top end of the limiting rod is provided with an inclined plane, and the limiting plate is in sliding connection with the inclined plane of the limiting rod.

Preferably, the top end of the clamping plate is provided with an inclined plate, and the ejector block is in sliding connection with the inclined plate.

The beneficial effects are that: according to the utility model, the bus in the bus duct is clamped and fixed through the adjustment of the clamping mechanism, and the outer wall of the shell can be adjusted to be limited through the limiting plate, so that the heat dissipation in the shell can be conveniently adjusted, the spring damper drives the pressing plate to move downwards when a fire happens, so that the bus is limited and pressed, and the bus in the bus duct is prevented from being damaged when the fire happens.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a refractory bus duct according to the present utility model;

FIG. 2 is a left side cross-sectional view of a fire resistant bus duct according to the present utility model;

FIG. 3 is a schematic view of a first structure of a limiting and holding mechanism of a fire-resistant bus duct according to the present utility model;

FIG. 4 is a schematic view of a second structure of a limiting and holding mechanism of a fire-resistant bus duct according to the present utility model;

FIG. 5 is a view showing the connection of a first spring of a fire-resistant bus duct to a housing structure according to the present utility model;

fig. 6 is a schematic structural view of a clamping mechanism of a fire-resistant bus duct according to the present utility model.

The reference numerals are explained as follows:

1. a housing; 101. a heat radiation hole; 2. a copper bar; 3. a locking switch; 4. a limiting pressing mechanism; 401. a spring damper; 402. a pressing plate; 403. a top block; 404. a limiting plate; 4041. a limit rod; 4042. a first spring; 5. a clamping mechanism; 501. a second spring; 502. a clamping plate; 5021. and a sloping plate.

Description of the embodiments

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-6, a fire-resistant bus duct comprises a housing 1, and further comprises a limiting pressing mechanism 4 for adjusting limiting pressing of a bus in the bus duct so as to conveniently prevent damage of the bus in fire, wherein a copper bar 2 is arranged on one side of the housing 1, a locking switch 3 is arranged at the top end of the housing 1, the limiting pressing mechanism 4 is positioned at the top end inside the housing 1, a clamping mechanism 5 is arranged below the limiting pressing mechanism 4, and a heat dissipation hole 101 is formed in one end of the housing 1.

In this embodiment, as shown in fig. 3-5, the limiting pressing mechanism 4 includes a spring damper 401, the spring damper 401 is mounted on the inner wall of the housing 1 through a bolt, a pressing plate 402 is welded at the lower end of the spring damper 401, a top block 403 is mounted at the lower end of the pressing plate 402 through a bolt, a limiting plate 404 is mounted at one side of the pressing plate 402 through a bolt, a plurality of pressing plates 402 are provided, each pressing plate 402 is slidably connected with the copper bar 2, a limiting rod 4041 is disposed below the limiting plate 404, a first spring 4042 is welded at one side of the limiting rod 4041, the limiting rod 4041 is slidably connected with the housing 1, the top end of the limiting rod 4041 is provided with an inclined surface, the limiting plate 404 is slidably connected with the inclined surface of the limiting rod 4041, under the action of the spring damper 401, the pressing plate 402 is driven to move down along the copper bar 2, the limiting plate 404 is driven to move down along the housing 1 when the limiting plate 404 contacts the inclined surface of the limiting rod 4041, and thus the limiting rod 4041 is driven to limit the limiting plate 404 under the action of the first spring 4042.

In this embodiment, as shown in fig. 6, the clamping mechanism 5 includes a second spring 501, the second spring 501 is welded on one side of the copper bar 2, the other side of the second spring 501 is welded with a clamping plate 502, the top end of the clamping plate 502 is provided with a sloping plate 5021, a top block 403 is slidably connected with the sloping plate 5021, and when the top block 403 contacts the sloping plate 5021, the sloping plate 5021 is driven to move to two sides, so that the pressing plate 402 performs limiting pressing on the top end of the bus, and the second spring 501 can adjust the clamping plate 502 to clamp and fix the bus.

In the above structure, the bus is placed in the shell 1, the clamping plate 502 is adjusted to clamp and fix the bus under the action of the second spring 501, heat can be dissipated inside the shell 1 through the heat dissipation holes 101, overheat in the shell 1 is prevented, when fire occurs, the locking switch 3 cancels fixing of the pressing plate 402, under the action of the spring damper 401, the pressing plate 402 is driven to move downwards along the copper bar 2, when the top block 403 contacts the inclined plate 5021, the inclined plate 5021 is driven to move towards two sides, so that the pressing plate 402 is used for limiting and pressing the top end of the bus, meanwhile, the pressing plate 402 drives the limiting plate 404 to move downwards, when the limiting plate 404 contacts the inclined plane of the limiting rod 4041, the limiting rod 4041 is driven to move towards one side along the shell 1, so that the limiting rod 4041 is driven to limit the limiting plate 404 under the action of the first spring 4042, the bus is further limited, and the bus inside the shell 1 is prevented from being damaged.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Refractory bus duct, including shell (1), its characterized in that: the bus-bar-mounted device is characterized by further comprising a limiting pressing mechanism (4) for adjusting limiting pressing of the bus in the bus duct so as to prevent the bus from being damaged when fire happens, wherein one side of the shell (1) is provided with a copper bar (2), the top end of the shell (1) is provided with a locking switch (3), the limiting pressing mechanism (4) is positioned at the top end inside the shell (1), and a clamping mechanism (5) is arranged below the limiting pressing mechanism (4);

the limiting pressing mechanism (4) comprises a spring damper (401), the spring damper (401) is fixedly mounted on the inner wall of the shell (1), the lower end of the spring damper (401) is fixedly connected with a pressing plate (402), a top block (403) is fixedly mounted at the lower end of the pressing plate (402), and a limiting plate (404) is fixedly mounted on one side of the pressing plate (402).

2. A fire resistant bus duct as set forth in claim 1, wherein: the clamping mechanism (5) comprises a second spring (501), the second spring (501) is fixedly connected to one side of the copper bar (2), and a clamping plate (502) is fixedly connected to the other side of the second spring (501).

3. A fire resistant bus duct as set forth in claim 1, wherein: the plurality of the pressing plates (402) are arranged, and each pressing plate (402) is in sliding connection with the copper bar (2).

4. A fire resistant bus duct as set forth in claim 1, wherein: the utility model discloses a shell, including limiting plate (404), locating lever (4041) is provided with limiting plate (404) below, limiting lever (4041) one side fixedly connected with first spring (4042), limiting lever (4041) with shell (1) sliding connection.

5. A fire resistant bus duct as set forth in claim 4, wherein: the top end of the limiting rod (4041) is provided with an inclined plane, and the limiting plate (404) is in sliding connection with the inclined plane of the limiting rod (4041).

6. A fire resistant bus duct as set forth in claim 2, wherein: the top end of the clamping plate (502) is provided with an inclined plate (5021), and the ejector block (403) is in sliding connection with the inclined plate (5021).