CN217307147U

CN217307147U - Internal connection fire-resistant cable groove box

Info

Publication number: CN217307147U
Application number: CN202220210018.4U
Authority: CN
Inventors: 张影影; 张闻地; 张剑锋; 杜锦彪; 倪荣建
Original assignee: Shenzhen Chengtiantai Electric Equipment Co ltd
Current assignee: Shenzhen Chengtiantai Electric Equipment Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-26
Anticipated expiration: 2032-01-24

Abstract

The utility model provides an internal connection fire-resistant cable groove box, it includes: the box comprises a bottom box and a top cover, wherein the top cover covers the bottom box, and the bottom box and the top cover jointly enclose a box body with two open ends; the inner connecting parts are used for fixedly connecting the adjacent inner connecting fireproof cable trough boxes from the inside. The utility model discloses an in-connection fire-resistant cable groove box adopts the internal connection at the groove box that end box and top cap are constituteed, because fire-resistant groove box connects closely, has improved fire-resistant heat-proof quality by a wide margin, is favorable to improving the fire behavior of cable groove box and improves fire-resistant grade. The novel internally-connected fire-resistant cable trough box is convenient to process and low in cost, and can protect common cables and wires in the trough box from being damaged and still work normally when a fire disaster happens.

Description

Internal connection fire-resistant cable groove box

Technical Field

The utility model relates to an interconnection fire-resistant cable groove box technical field especially relates to a novel interconnection fire-resistant cable groove box.

Background

At present, the technique commonly adopted by domestic fire-resistant cable/wire way boxes is that the outer surface is sprayed with fireproof paint to isolate air to achieve the heat insulation effect, the inner side is padded with aluminum silicate rock wool and a fireproof plate to prevent heat conduction, and a dust cover is arranged, and when a fire disaster occurs, the dust cover falls off to seal all heat dissipation holes in the protective cover to achieve the fire prevention effect. The product has the defects of complex manufacturing process, selection of different processes from the common tank box manufacturing process and large equipment investment. The fire-resistant groove box section and the section are generally externally connected, the structural stability is poor, an external protection connecting piece needs to be arranged, the installation is complex, and the cost is high. When the external fire reaches more than 1100 ℃, because of poor sealing, a large amount of heat radiation can permeate into the tank box, the fire-resistant temperature of the outer insulating layer of a common cable and a wire is mostly about 100 ℃, the cable is very easy to be damaged and leak electricity, and the normal power supply requirement, especially the fire-fighting power supply requirement, can not be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an in-connection fire-resistant cable groove box and be used for solving current cable groove box structure complicacy, technical problem that fire resistance is not high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the embodiment of the utility model provides an interior connection fire-resistant cable trough box, it includes: the box comprises a bottom box and a top cover, wherein the top cover covers the bottom box, and the bottom box and the top cover jointly enclose a box body with two open ends; the inner connecting parts are arranged at the openings at the two ends of the box body and are used for fixedly connecting the adjacent inner connecting fireproof cable trough boxes from the inside.

Wherein, a fireproof heat insulation layer is also arranged in the box body.

The bottom box and the top cover are made of metal materials.

The inner connecting part is a connecting plate part bent inwards from openings at two ends of the box body.

Wherein, still be equipped with a plurality of connecting holes on the connecting plate portion.

Wherein, the end box includes: the bottom plate, by left side board and the right side board that the vertical bending in long limit both sides of bottom plate goes out, the connecting plate portion respectively by the minor face both sides bending type of bottom plate, left side board and right side board form.

Wherein, the top cap includes: the roof, by the preceding curb plate and the posterior lateral plate that the long limit both sides bending of roof goes out, wherein, preceding curb plate and posterior lateral plate cover respectively fit the outside of left side board and right side board.

Wherein, the bottom box is an integrated structure.

Wherein, the top cap is the integrated into one piece structure.

Wherein, the box body is a cubic box body.

The utility model discloses an in-connection fire-resistant cable groove box adopts the internal connection at the groove box that end box and top cap are constituteed, because fire-resistant groove box connects closely, has improved fire-resistant heat-proof quality by a wide margin, is favorable to improving the fire behavior of cable groove box and improves fire-resistant grade. The novel internally-connected fire-resistant cable trough box is convenient to process and low in cost, and can protect common cables and wires in the trough box from being damaged and still work normally when a fire disaster happens.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is a schematic view of an overall structure of an internally connected fire-resistant cable trough according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a bottom case portion of an internally connected fire-resistant cable trough according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Referring to fig. 1 and 2, in this embodiment, an inter-connection fire-resistant cable trough is provided, which includes: the box comprises a bottom box 1 and a top cover 2, wherein the top cover 2 covers the bottom box 1, and the bottom box 1 and the top cover 2 jointly enclose a box body with two open ends 10; the inner connecting parts 3 are further arranged at the openings 10 at the two ends of the box body, and the inner connecting parts 3 are used for fixedly connecting the adjacent inner connecting fireproof cable trough boxes from the inside.

Wherein, a fire-resistant heat-insulating layer (not shown in the figure) is also arranged in the box body.

In this embodiment, the bottom case 1 and the top cover 2 are made of metal materials, and the surfaces thereof are subjected to surface treatment, so that the bottom case and the top cover have the characteristics of no toxicity, no pollution, flame retardance, water resistance, oil resistance and the like. In other embodiments, other materials having the above-mentioned properties may be used instead of the bottom case 1 and the top cover 2.

In this embodiment, the inner connecting portion 3 is a connecting plate portion bent inward from the two end openings 10 of the box body.

Specifically, the bottom case 1 includes: the bottom plate 11, by left side board 13 and right side board 12 that the vertical bending of long limit both sides of bottom plate 11 goes out, the linking plate portion respectively by the short side both sides bending type of bottom plate 11, left side board 13 and right side board 12 forms. Specifically, the edge of the bottom plate 11 is bent to form a connecting plate portion 111, the edge of the left side plate 13 is bent to form a connecting plate portion 131, and similarly, the edge of the right side plate 12 is bent to form a connecting plate portion 121. The connection plate portion is further provided with a plurality of connection holes, that is, the connection plate portion 111 is provided with a connection hole 1111, the connection plate portion 121 is provided with a connection hole 1211, and the connection plate portion 131 is provided with a connection hole 1311. The connecting holes are used for penetrating screws to fixedly connect the adjacent inner connecting fireproof cable trough boxes in the inner part.

Wherein the top cover 2 includes: a top plate 21, a front side plate 22 and a rear side plate 23 bent from both sides of the long side of the top plate 21, wherein the front side plate 22 and the rear side plate 23 cover the outer sides of the left side plate 13 and the right side plate 12, respectively.

In this embodiment, the bottom case 1 is an integrally formed structure, and the top cover 2 is an integrally formed structure.

In other embodiments, the box body may be in other shapes, such as tubular shape, prismatic shape, etc.

The fire-resistant cable groove box of internal connection of this embodiment adopts the internal connection at the groove box that end box and top cap are constituteed, because fire-resistant groove box connects closely, has improved fire-resistant heat-proof quality by a wide margin, is favorable to improving the fire behavior of cable groove box and improves fire-resistant grade. The novel internally-connected fire-resistant cable trough box is convenient to process and low in cost, and can protect common cables and wires in the trough box from being damaged and still work normally when a fire disaster happens.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. An internally connected fire resistant cable trough, comprising: the box comprises a bottom box and a top cover, wherein the top cover covers the bottom box, and the bottom box and the top cover jointly enclose a box body with two open ends; the inner connecting parts are arranged at the openings at the two ends of the box body and are used for fixedly connecting the adjacent inner connecting fireproof cable trough boxes from the inside.

2. The interconnected fire-resistant cable trough box of claim 1, wherein a fire-resistant insulating layer is further disposed within the box body.

3. The interconnected fire resistant cable trough box of claim 2, wherein the bottom box and the top cover are both made of metal.

4. The internally-connected fire-resistant cable trough according to claim 2, wherein the internally-connected portion is a connecting plate portion bent inward from both end openings of the box body.

5. The internally-connected fire-resistant cable tray of claim 4, wherein the connecting plate portion further comprises a plurality of connecting holes.

6. The inner connection fire resistant cable trough box of claim 5, wherein the bottom box comprises: the bottom plate, by left side board and the right side board that the vertical bending in long limit both sides of bottom plate goes out, the connecting plate portion respectively by the minor face both sides bending type of bottom plate, left side board and right side board form.

7. The inter-connection fire-resistant cable trough box of claim 6, wherein the top cover comprises: the roof, by the preceding curb plate and the posterior lateral plate that the long limit both sides bending of roof goes out, wherein, preceding curb plate and posterior lateral plate cover respectively fit the outside of left side board and right side board.

8. The internally connected fire resistant cable trough according to claim 7, wherein the bottom box is of an integrally formed construction.

9. The inter-connection fire-resistant cable trough box of claim 7, wherein the top cover is of an integrally formed structure.

10. The inter-connection fire-resistant cable trough box of claim 7, wherein the box body is a cube-shaped box body.