CN218771045U

CN218771045U - Fireproof cable bridge

Info

Publication number: CN218771045U
Application number: CN202222660371.5U
Authority: CN
Inventors: 宋川
Original assignee: Chibi Yinquan Non Metallic Mineral Products Co ltd
Current assignee: Chibi Yinquan Non Metallic Mineral Products Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-28
Anticipated expiration: 2032-10-10

Abstract

The utility model provides a fire prevention type cable testing bridge relates to cable testing bridge technical field, and this fire prevention type cable testing bridge includes the casing, the ventilation hole has been seted up on the casing, the fixed gib block that corresponds with the ventilation hole that is provided with on the casing, the guide slot has been seted up on the gib block, the inner wall slip joint of guide slot has the shutoff board that corresponds with the ventilation hole, the fixed support that is provided with on the shutoff board through setting up casing, ventilation hole, gib block, guide slot, shutoff board, support, roof, elastic component and fusible component's cooperation, realized when the conflagration condition takes place, conflagration high temperature can heat fusible component, and fusible component is heated and melts and loses the holding power to between roof and the support, and the elasticity of elastic component can drive the support and be close to the roof removal, and the support removal can drive the shutoff board and slide to ventilation hole position and carry out the shutoff to the ventilation hole along the guide slot, has effectively prevented that the fire from burning out the cable of casing inside through the ventilation hole to reinforcing fire prevention ability.

Description

Fireproof cable bridge

Technical Field

The utility model relates to a cable testing bridge technical field specifically is a fire prevention type cable testing bridge.

Background

The cable bridge is divided into structures of a groove type, a tray type, a ladder type, a grid type and the like, and comprises a support, a supporting arm, an installation accessory and the like. The inner bridge frame of the building can be independently erected and also can be laid on various buildings and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like are reflected, all parts need to be galvanized, and the inner bridge frame is arranged outside the building in the open air.

The ventilation hole has been seted up to current cable testing bridge, and such design has strengthened the radiating effect of cable, but when the conflagration condition takes place, makes the fire burn out the cable of inside through the ventilation hole easily, and fire behavior is relatively weak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention type cable testing bridge aims at solving the cable testing bridge among the prior art and has seted up the ventilation hole, and such design has strengthened the radiating effect of cable, but when the conflagration condition takes place, makes the fire burn out the problem that fire protection ability is more weak through ventilation hole to inside cable easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme: fireproof cable bridge, which comprises a housin, the ventilation hole has been seted up on the casing, the fixed gib block that corresponds with the ventilation hole that is provided with on the casing, the guide slot has been seted up on the gib block, the inner wall slip joint of guide slot has the shutoff board that corresponds with the ventilation hole, the fixed support that is provided with on the shutoff board, the fixed roof that is provided with on the casing, fixed elastic component and the fusible component of being provided with between roof and the support.

The utility model discloses a further technical scheme does, the casing has set gradually inlayer, insulating layer, skin and flame retardant coating from interior to exterior.

The further technical scheme of the utility model does, inlayer and outer material are the stainless steel.

The utility model discloses a further technical scheme does, the material of insulating layer is thermal-insulated cotton.

The utility model discloses a further technical scheme does, the flame retardant coating is fire retardant coating.

The utility model discloses a further technical scheme does, the guide slot is the L type, be provided with the bellying with guide slot looks adaptation on the shutoff board.

The utility model discloses a further technical scheme does, the elastic component is the extension spring.

The further technical proposal of the utility model is that the fusible piece is a fusible alloy strip.

The utility model has the advantages that:

through set up the gib block that corresponds with the ventilation hole on the casing, set up the guide slot on the gib block, the inner wall and the shutoff board slip joint of guide slot, the shutoff board sets up with the support is fixed, casing and the fixed setting of roof, set up elastic component and fusible piece between roof and the support, realized when the conflagration condition takes place, conflagration high temperature can heat fusible piece, fusible piece is heated to melt and loses the support ability to between roof and the support, the elasticity of elastic component can drive the support and be close to the roof and remove, the support removes and can drive the shutoff board and slide to the ventilation hole position and carry out the shutoff to the ventilation hole along the guide slot, effectively avoided the fire to get into the casing through the ventilation hole and burn out the inside cable of casing, thereby reinforcing fire behavior.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is another schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the plugging plate, the bracket, the top plate, the elastic member and the fusible member according to the embodiment of the present invention.

Fig. 4 is a sectional view of the structure of the housing according to the embodiment of the present invention.

In the figure: 1-shell, 11-vent hole, 12-inner layer, 13-heat insulation layer, 14-outer layer, 15-fireproof layer, 2-guide strip, 21-guide groove, 3-blocking plate, 4-bracket, 5-top plate, 6-elastic piece and 7-fusible piece.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-3, a fireproof cable bridge, including a housing 1, can bear the weight of the cable, the casing 1 is provided with a vent hole 11, the heat of the cable can be dissipated to the outside of the casing 1 through the vent hole 11, the heat dissipation effect of the cable bridge can be improved, the casing 1 is fixedly provided with a guide strip 2 corresponding to the vent hole 11, the guide strip 2 is provided with a guide groove 21, the inner wall sliding joint of the guide groove 21 is provided with a plugging plate 3 corresponding to the vent hole 11, the plugging plate 3 can slide in the guide groove 21, when the plugging plate 3 slides to the overlapping position corresponding to the vent hole 11, the plugging plate 3 is fixedly provided with a support 4, the casing 1 is fixedly provided with a top plate 5, an elastic member 6 and a fusible member 7 are fixedly arranged between the top plate 5 and the support 4, the elastic member 6 can enable the support 4 to move towards the top plate 5, the fusible member 7 can support between the support 4 and the top plate 5, and keep the deformation state of the elastic member 6.

The utility model discloses an in the embodiment, when the conflagration condition takes place, conflagration high temperature can heat fusible member 7, fusible member 7 is heated and can be melted and lose the holding power between roof 5 and support 4, the elasticity of elastic component 6 can drive support 4 and be close to roof 5 and remove this moment, support 4 removes and can drive shutoff board 3 and slide along

guide slot

21, 3 slip of shutoff board are to ventilation hole 11 overlap position and carry out the shutoff to ventilation hole 11, thereby avoid the fire to get into casing 1 through ventilation hole 11 and burn out the inside cable of casing 1, thereby reinforcing fire-proof capability.

As shown in fig. 4, the utility model discloses a another embodiment, casing 1 has set gradually inlayer 12, insulating layer 13, outer 14 and flame retardant coating 15 from inside to outside, and inlayer 12 and outer 14 can support casing 1, and insulating layer 13 will, and inlayer 12 and outer 14 separate can keep apart the heat, effectively improve casing 1's fire behavior, and flame retardant coating 15 can be outside carrying out first fireproof action to casing 1 simultaneously, improves the fire prevention effect.

In order to ensure the practicability, the inner layer 12 and the outer layer 14 are made of stainless steel, so that the use strength and the service life of the inner layer 12 and the outer layer 14 can be ensured, and the practicability is improved.

For heat insulation, the heat insulation layer 13 is made of heat insulation cotton, and the heat insulation cotton can insulate the heat of the outer layer 14 and transmit the heat to the inner layer 12, so that the fireproof effect is improved.

In order to improve the fire protection, the fire protection layer 15 is a fire protection coating, which can provide a first fire protection to the outermost part of the housing 1.

In order to enable the blocking plate 3 to be in sliding clamping connection with the guide groove 21, the guide groove 21 is L-shaped, and a protruding portion matched with the guide groove 21 is arranged on the blocking plate 3, so that the blocking plate 3 can be in sliding clamping connection with the guide groove 21.

In order to save cost, the elastic part 6 is a tension spring, and the cost can be saved due to the lower price of the tension spring.

The fusible element 7 is a fusible alloy strip in order to support the top plate 5 and the support 4 and to be able to be heated without supporting the top plate 5 and the support 4.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a fire prevention type cable testing bridge, a serial communication port, includes casing (1), ventilation hole (11) have been seted up on casing (1), fixed gib block (2) that correspond with ventilation hole (11) of being provided with on casing (1), guide slot (21) have been seted up on gib block (2), the inner wall slip joint of guide slot (21) has closure plate (3) that correspond with ventilation hole (11), the fixed support (4) that is provided with on closure plate (3), the fixed roof (5) that is provided with on casing (1), it has elastic component (6) and fusible component (7) to be fixed between roof (5) and support (4).

2. The flameproof cable tray of claim 1, characterized in that the casing (1) is provided with an inner layer (12), a thermally insulating layer (13), an outer layer (14) and a flame-retardant layer (15) in this order from the inside to the outside.

3. The firesafe cable tray according to claim 2, wherein said inner (12) and outer (14) layers are made of stainless steel.

4. The fireproof cable tray according to claim 2, wherein the heat insulation layer (13) is made of heat insulation cotton.

5. The flameproof cable tray of claim 2, characterized in that the flame-retardant layer (15) is a flame-retardant coating.

6. The fireproof cable tray according to claim 1, wherein the guide groove (21) is L-shaped, and the blocking plate (3) is provided with a protrusion adapted to the guide groove (21).

7. The flameproof cable tray of claim 1, characterized in that the resilient member (6) is a tension spring.

8. The firesafe cable tray according to any one of claims 1 to 7, wherein said fusible element (7) is a strip of fusible alloy.