CN220848123U - Fireproof grille - Google Patents

Abstract

The application relates to a fireproof grille, and relates to the field of fireproof grilles. The fireproof expansion strip is connected to the support frame, and the support frame is provided with a pressing piece used for pressing the fireproof expansion strip. The application has the effects of improving the stability and the fireproof flame retardance of the grille.

Description

Fireproof grille

Technical Field

The application relates to the field of fireproof grids, in particular to a fireproof grid.

Background

Fire-resistant grilles are a safety device for preventing the spread of fire, usually made of metallic materials. The fireproof grille is generally arranged at the positions of a ventilation opening, an air conditioner air outlet, an elevator shaft, an electric cabinet and the like, and common application scenes include rail transit such as high-speed rail and the like besides buildings. The fire-resistant grille has good fire-resistant properties, thereby preventing flames and smoke from entering other areas through the aforementioned passages, for reducing the risk of fire spreading.

The prior fireproof grille generally comprises a grille frame, grille plates and grille connecting pieces, wherein the grille frame plays a role in supporting and fixing. The function of ventilation and fume emission is realized to the grid panel to when meetting the conflagration, the space of inflation filling grid can take place for the grid panel, plays the effect that prevents flame and flue gas and spread, and the grid connecting piece is used for connecting grid panel and grid frame, strengthens the stability of grid.

The related art described above has the following problems: the existing grille is not stable enough, and when a fire disaster occurs, gaps can be generated in the middle after the grille plate is expanded, so that an extension channel is created for fire and smoke.

Disclosure of utility model

In order to improve the stability and the fireproof flame retardance of the grille, the application provides a fireproof grille.

The fireproof grille provided by the application adopts the following technical scheme:

The utility model provides a fire prevention grid, includes framework, support frame and fire prevention expansion strip, the both ends of support frame connect in the framework, a plurality of support frame interval sets up, fire prevention expansion strip connect in the support frame, the support frame is provided with and is used for compressing tightly the piece that compresses tightly of fire prevention expansion strip.

Through adopting above-mentioned technical scheme, the support frame plays the supporting role to the fire prevention expansion strip, compresses tightly the fire prevention expansion strip through compressing tightly the piece to through the clearance convenient ventilation heat dissipation of support frame, the stability of grid is strengthened through the support frame, the fire prevention expansion strip takes place to expand when meetting the conflagration, until the support frame above of fire prevention expansion strip butt, thereby the fire prevention expansion strip shutoff to the clearance plays the effect that prevents the conflagration and spread.

Optionally, the support frame includes bottom plate and curb plate, bottom plate and two the curb plate forms the standing groove, fire prevention expansion strip place in the standing groove.

Through adopting above-mentioned technical scheme, place the fire prevention expansion strip in the standing groove for the placing of fire prevention expansion strip is more stable.

Optionally, slots are formed in two sides of the frame body, cutting bars are connected to two ends of the supporting frame, the cutting bars are connected to two ends of the bottom plate, and the cutting bars are inserted into the slots.

Through adopting above-mentioned technical scheme, the connection of support frame and framework is realized in cutting and slot grafting for the installation is simpler.

Optionally, the compressing element is a pressing plate, and the pressing plate is provided with a plurality of and is connected with two curb plates.

Through adopting above-mentioned technical scheme, connect in the clamp plate of curb plate with fire prevention expansion strip compress tightly, guarantee the space in the middle of the support frame.

Optionally, a first protection film is connected with above the fireproof expansion strip, two ends of the first protection film are respectively connected with the side wall of the slot, and the pressing plate presses the first protection film tightly.

Optionally, the outer walls of the two sides of the frame body are adhered with second protective films.

Through adopting above-mentioned technical scheme, first protection film and second protection film play the guard action to fire prevention expansion strip and frame, reduce environmental pollution and destruction such as water, air to fire prevention expansion strip.

Optionally, the pressing plate is integrally formed with the side plate, and the length direction of the pressing plate is perpendicular to the height direction of the side plate.

Through adopting above-mentioned technical scheme, be favorable to reinforcing clamp plate and curb plate's connection compactness through integrated into one piece's setting.

Optionally, the bottom plate is provided with a through groove, the lateral wall of the through groove is provided with a plurality of division boards, and the division boards divide the through groove into a plurality of communication grooves.

Through adopting above-mentioned technical scheme, save the material of bottom plate through the setting of a plurality of intercommunication grooves.

Optionally, the both sides of support frame all are connected with middle support column, a plurality of joint grooves have been seted up to middle support column, the support frame with the equal joint of fire prevention expansion strip in the joint groove, the both ends of middle support column all with the framework is connected.

Through adopting above-mentioned technical scheme, strengthened the stability that the support frame was connected through the intermediate support post to the intermediate support post can compress tightly fire prevention expansion strip in step, makes fire prevention expansion strip more stable in the standing groove.

In summary, the application has the following beneficial effects:

1. The support frame plays the supporting role to the fire prevention expansion strip, compresses tightly the fire prevention expansion strip through compressing tightly the piece to through the clearance convenient ventilation heat dissipation of support frame, through the stability of support frame reinforcing grid, the fire prevention expansion strip takes place to expand when meetting the conflagration, until the support frame above of fire prevention expansion strip butt, thereby the fire prevention expansion strip shutoff to the clearance, plays the effect that prevents the conflagration and spread.

2. The cutting is inserted with the slot to realize the connection of the support frame and the frame body, so that the installation is simpler.

3. The first protective film and the second protective film protect the fireproof expansion strip and the frame, and pollution and damage to the fireproof expansion strip caused by environments such as water, air and the like are reduced.

Drawings

FIG. 1 is a schematic overall structure of embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of a supporting frame according to embodiment 1 of the present application;

FIG. 3 is a schematic view showing the placement of the fire-protecting expansion strip according to embodiment 1 of the present application;

FIG. 4 is a schematic view of the whole structure of embodiment 1 of the present application;

fig. 5 is a schematic overall structure of embodiment 2 of the present application.

Reference numerals illustrate: 1. a frame; 2. a support frame; 21. a bottom plate; 22. a side plate; 23. a placement groove; 3. a fire-resistant intumescent strip; 4. cutting; 41. a slot; 5. a pressing plate; 6. a first protective film; 7. a second protective film; 8. a partition plate; 81. a communication groove; 9. an intermediate support column; 91. and a clamping groove.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a fireproof grille. Referring to fig. 1, a fire-resistant grille includes a frame 1, a support frame 2, and fire-resistant intumescent strips 3.

The frame body 1 is of a rectangular structure, and the frame body 1 is made of metal, so that the metal frame body 1 has better fire resistance and high temperature resistance. Slots 41 are formed in the side wall of the frame body 1 at intervals, the slots 41 are arranged vertically, and accordingly the frame body 1 is convenient to install for the support frame 2 through the slots 41. The second protection films 7 are arranged on the outer walls of the two sides of the frame body 1, the second protection films 7 are arranged along the outer wall of the frame body 1, the two ends of each second protection film 7 are respectively connected to the top wall and the bottom wall of the frame body 1, and the second protection films 7 are used for protecting the frame body 1 and have the waterproof and pollution-proof effects.

Referring to fig. 1 and 2, the supporting frame 2 is used for supporting the fire-preventing expansion strip 3, the supporting frame 2 includes a bottom plate 21 and side plates 22 connected to both sides of the bottom plate 21, a placement groove 23 is formed between the two side plates 22 and the bottom plate 21, and the placement groove 23 is used for accommodating the fire-preventing expansion strip 3, so that the position of the fire-preventing expansion strip 3 is more stable. The bottom plate 21 has been seted up logical groove, and the lateral wall in logical groove is provided with a plurality of division boards 8, divides into a plurality of intercommunication grooves 81 with logical groove through division board 8, and fire prevention expansion strip 3 sets up in a plurality of division boards 8 and bottom plate 21 top, through the setting of division board 8 and intercommunication groove 81 for the people that fire prevention expansion strip 3 obtained stable support practice thrift the area of bottom plate 21 simultaneously. The support frames 2 are provided in plurality, and distances between the plurality of support frames 2 are the same. The two sides of the bottom plate 21 are also connected with the cutting 4, the cutting 4 protrudes from the side plates 22 at the two sides, and the side plates 22 are abutted against the inner wall of the frame body 1 by inserting the cutting 4 into the slots 41, so that the connection between the support frame 2 and the frame body 1 is realized.

Referring to fig. 3, the fireproof expansion strip 3 is provided in a solid rectangular parallelepiped structure, the fireproof expansion strip 3 is placed in the placement groove 23, the bottom of the fireproof expansion strip 3 is abutted with the bottom of the placement groove 23, namely, the bottom plate 21, and the side wall of the fireproof expansion strip 3 is abutted with the side wall of the placement groove 23, namely, the side plate 22. The upper surface of the fire-protecting expansion strip 3 is basically level with the top surface of the side plate 22, so that a gap exists between the fire-protecting expansion strip 3 and the upper supporting frame 2. The gaps are formed, so that ventilation and heat dissipation of the grille are facilitated, heat is dissipated to the outside through heat dissipation, and the accumulation of heat inside and the possibility of fire disaster occurrence are reduced to a certain extent.

Referring to fig. 3 and 4, a first protection film 6 is connected over the fire-protecting expansion strip 3, and when the fire-protecting expansion strip 3 is placed in the placement groove 23, both ends of the first protection film 6 protrude from the fire-protecting expansion strip 3 and are connected with the side walls of the insertion groove 41. The first connection film plays a protective role on the fireproof expansion strip 3, protects the expansion strip from pollution, damage or adhesion, and plays waterproof, dustproof and anti-pollution functions.

The support frame 2 is provided with the piece that compresses tightly that is used for compressing tightly fire prevention expansion strip 3, compresses tightly the piece setting to clamp plate 5, and clamp plate 5 sets up to the U-shaped, and two curb plates 22 of support frame 2 all are connected with a plurality of clamp plates 5, and a plurality of clamp plates 5 interval evenly set up, and the length direction of clamp plate 5 is perpendicular with the direction of height of curb plate 22, and the clamp plate 5 of both sides all faces the centre. The clamp plate 5 and curb plate 22 integrated into one piece set up, present the arc setting in the junction of clamp plate 5 and curb plate 22, and clamp plate 5 is placed in fire prevention expansion strip 3 and first protection film 6 top, through clamp plate 5 for the bottom of fire prevention expansion strip 3 all the time with standing groove 23 diapire looks butt, keep the position of fire prevention expansion strip 3 under the state at ordinary times simultaneously, make the grid have the clearance and ventilate through the clearance.

The fireproof expansion strip 3 consists of rubber, expanded graphite and flame retardant. The volume of the expanded graphite can expand 150-300 times at the moment of encountering high temperature, and the expanded graphite changes from flake shape to worm shape. Therefore, the fireproof expansion strips 3 expand when a fire disaster occurs until the fireproof expansion strips 3 in the lower layer placing grooves 23 expand to be abutted against the bottom wall of the supporting frame 2 on the upper layer, the lower ends of the fireproof expansion strips 3 expand to fill gaps of the communicating grooves 81, gaps between the grids are filled by the expanded fireproof expansion strips 3, the fireproof expansion strips 3 are always kept in a abutted state with the placing grooves 23 under the action of the pressing plates 5, the sealing performance of the grids is maintained, flames and smoke are prevented from entering other areas through the grids, and the spread of the fire disaster is prevented.

The implementation principle of the fireproof grille provided by the embodiment of the application is as follows: the first protection film 6 and the fireproof expansion strip 3 are connected, the fireproof expansion strip 3 is placed in the placing groove 23, the first protection film 6 and the fireproof expansion strip 3 are pressed tightly through the pressing plate 5, the inserting strip 4 is inserted into the inserting groove 41 to connect the supporting frame 2 and the frame body 1, and accordingly the installation of the fireproof grille is completed. Through setting up the clearance, utilize the fireproof grille to be used for ventilating, when the conflagration takes place, the fire prevention expansion strip 3 expands rapidly and fills up the grid space, reaches thermal-insulated and the effect of fire prevention shutoff.

Example 2

This embodiment differs from embodiment 1 in that: referring to fig. 5, intermediate support columns 9 are connected to the middle of both sides of the support frame 2, the intermediate support columns 9 are vertically arranged, and the upper and lower ends of the intermediate support columns 9 are connected to the frame 1. Play the supporting role to a plurality of support frames 2 through middle support column 9 for the placing of support frame 2 is more stable.

The joint groove 91 has been seted up to one side that middle support column 9 is close to support frame 2, and support frame 2 and fire prevention expansion strip 3 all joint are in joint groove 91 to can assist to compress tightly fire prevention expansion strip 3 through middle support column 9, make fire prevention expansion strip 3 can more stable place in standing groove 23. There is the space between two middle support column 9, when the conflagration produced high temperature, fire prevention expansion strip 3 induced high temperature inflation to fill the space between middle support column 9, realize sealedly.

The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.

Claims (9)

1. A fire-resistant grille, characterized by: including framework (1), support frame (2) and fire prevention expansion strip (3), the both ends of support frame (2) connect in framework (1), a plurality of support frame (2) interval sets up, fire prevention expansion strip (3) connect in support frame (2), support frame (2) are provided with and are used for compressing tightly the piece that compresses tightly of fire prevention expansion strip (3).

2. A fire grate as claimed in claim 1, wherein: the support frame (2) comprises a bottom plate (21) and side plates (22), the bottom plate (21) and the two side plates (22) form a placing groove (23), and the fireproof expansion strip (3) is placed in the placing groove (23).

3. A fire grate as claimed in claim 2, wherein: the two sides of the frame body (1) are provided with slots (41), two ends of the support frame (2) are connected with cutting bars (4), the cutting bars (4) are connected to two ends of the bottom plate (21), and the cutting bars (4) are inserted into the slots (41).

4. A fire grate as claimed in claim 3, wherein: the compressing piece is a pressing plate (5), and the pressing plate (5) is provided with a plurality of side plates (22) and is connected with the two side plates.

5. A fire grate as defined in claim 4 wherein: the fireproof expansion strip is characterized in that a first protection film (6) is connected above the fireproof expansion strip (3), two ends of the first protection film (6) are respectively connected with the side wall of the slot (41), and the pressing plate (5) presses the first protection film (6).

6. A fire grate as claimed in claim 1, wherein: the outer walls of the two sides of the frame body (1) are adhered with second protective films (7).

7. A fire grate as defined in claim 4 wherein: the pressing plate (5) and the side plate (22) are integrally formed, and the length direction of the pressing plate (5) is perpendicular to the height direction of the side plate (22).

8. A fire grate as claimed in claim 2, wherein: the bottom plate (21) is provided with a through groove, the side wall of the through groove is provided with a plurality of partition plates (8), and the partition plates (8) divide the through groove into a plurality of communication grooves (81).

9. A fire grate as claimed in claim 1, wherein: the two sides of the support frame (2) are respectively connected with an intermediate support column (9), a plurality of clamping grooves (91) are formed in the intermediate support columns (9), the support frame (2) and the fireproof expansion strips (3) are respectively clamped in the clamping grooves (91), and two ends of the intermediate support columns (9) are respectively connected with the frame body (1).