阅读说明：本技术 一种防火格栅 (Fireproof grating ) 是由 尹书祥 于 2021-08-05 设计创作，主要内容包括：一种防火格栅,包括格栅本体,所述格栅本体包括格栅外框和百叶,所述百叶装设于格栅外框内,所述格栅外框背面装设有格栅背板,所述格栅背板上成型有若干第一通孔,所述格栅本体内于百叶与格栅背板之间装设有防火板,所述防火板上设有若干第二通孔,所述防火板上于若干第二通孔之间设有若干遇火膨胀并阻塞第二通孔的防火膨胀条；空气可以通过百叶、第二通孔以及第一通孔进行流通,防火板上于每一列两两相邻的第二通孔之间装设有防火膨胀条,当发生火灾时,防火膨胀条遇热发生膨胀,并且会将防火板上的第二通孔遮蔽,可以防止火焰及烟尘通过格栅本体进行流通,防止火势进一步扩大,可以保障人体的生命健康以及财产安全。(A fireproof grating comprises a grating body, wherein the grating body comprises a grating outer frame and a louver, the louver is arranged in the grating outer frame, a grating back plate is arranged on the back surface of the grating outer frame, a plurality of first through holes are formed in the grating back plate, a fireproof plate is arranged between the louver and the grating back plate in the grating body, a plurality of second through holes are formed in the fireproof plate, and a plurality of fireproof expansion strips which expand when encountering fire and block the second through holes are arranged between the second through holes in the fireproof plate; the air can circulate through tripe, second through-hole and first through-hole, has installed the fire prevention inflation strip on the PLASTIC LAMINATED between the two liang of adjacent second through-holes in each row, and when the conflagration breaing out, the fire prevention inflation strip is met heat and is taken place the inflation to can shield the second through-hole on the PLASTIC LAMINATED, can prevent that flame and smoke and dust from circulating through the grid body, prevent that the intensity of a fire from further expanding, can ensure human life health and property safety.)

1. The utility model provides a fire prevention grid, includes grid body (1), grid body (1) includes grid frame (11) and tripe (12), tripe (12) are installed in grid frame (11), its characterized in that: grid backplate (13) have been installed to grid frame (11) back, the shaping has a plurality of first through-holes (14) on grid backplate (13), install PLASTIC LAMINATED (2) between tripe (12) and grid backplate (13) in grid body (1), be equipped with a plurality of second through-holes (21) on PLASTIC LAMINATED (2), be equipped with a plurality of fire prevention inflation strips (22) that meet fire inflation and block second through-hole (21) on PLASTIC LAMINATED (2) between a plurality of second through-holes (21).

2. A fire protection grid according to claim 1, wherein: a first gasket (15) is arranged between the fireproof plate (2) and the grid outer frame (11), and a second gasket (16) is arranged between the fireproof plate (2) and the grid back plate (13).

3. A fire protection grid according to claim 1, wherein: fire prevention fixed plate (23) have been installed between PLASTIC LAMINATED (2) and grid backplate (13), the shaping has a plurality of third through-hole (24) on fire prevention fixed plate (23), grid frame (11) facial make-up is equipped with fire prevention carry mechanism (3), PLASTIC LAMINATED (2) are hung and are located on fire prevention carry mechanism (3), release PLASTIC LAMINATED (2) whereabouts when meeting fire is carried in fire prevention carry mechanism (3), and third through-hole (24) dislocation on second through-hole (21) and the fire prevention fixed plate (23) on it blocks after PLASTIC LAMINATED (2) whereabouts.

4. A fire protection grid according to claim 3, wherein: all offer L type hole (27) that are used for installing fire prevention carry mechanism (3) on fire prevention fixed plate (23) and PLASTIC LAMINATED (2), still set up logical groove (28) that fire prevention carry mechanism (3) of being convenient for pass through on tripe (12), breach (29) of being convenient for install first gasket (15) are all seted up to apex angle department on PLASTIC LAMINATED (2).

5. A fire protection grate in accordance with claim 4, wherein: the fireproof mounting mechanism (3) comprises a shell (31) arranged on a grid outer frame (11), a mounting hole (311) is formed in one side of the shell (31), a first rotating shaft (32) for supporting the fireproof plate (2) through an L-shaped hole (27) penetrates through the mounting hole (311), an explosion bead (33) is arranged on one side of the first rotating shaft (32) in the shell (31), and a first spring (34) is arranged on the other side of the first rotating shaft (32).

6. A fire protection grate in accordance with claim 5, wherein: the first rotating shaft (32) penetrates through the part in the shell (31) and is provided with a first pin shaft (321) in a penetrating way.

7. A fire protection grate in accordance with claim 6, wherein: and a fifth through hole (312) convenient for the bead blasting (33) to sense external heat is further formed in the shell (31).

8. A fire protection grate in accordance with claim 4, wherein: fireproof hanging mechanism (3) still includes fuse link (35) and second spring (39) that are used for induction heating, the both ends of fuse link (35) all the shaping have pull ring (351), the shaping has two couples (111) on grid frame (11), fuse link (35) are on one of them couple (111) through pull ring (351) suit, fuse link (35) are connected with first pull rod (36) through another pull ring (351), first pull rod (36) are worn to locate in second pivot (37), still wear to be equipped with in second pivot (37) second pull rod (38) and opposite with the extending direction of first pull rod (36), and other couple (111) are connected through second spring (39) with second pull rod (38).

9. A fire protection grid according to claim 8, wherein: and a second pin shaft (371) penetrates through the second rotating shaft (37) between the fireproof fixing plate (23) and the grid back plate (13) and extends into the grid outer frame (11).

10. A fire protection grid according to claim 9, wherein: the end of the first pull rod (36) far away from the fuse link (35) is provided with a first nut (352), and the end of the second pull rod (38) far away from the second spring (39) is provided with a second nut (381).

11. A fire protection grid according to any one of claims 1 to 10, wherein: fire-proof expansion strips (22) are arranged around the outer grating frame (11).

Technical Field

The invention relates to the technical field of fire protection devices, in particular to a fire protection grid.

Background

The air circulation effect can be enhanced through the grille air opening, so that the indoor air quality is improved, the building energy consumption is reduced, and the control of a large-space local hot and humid environment is performed; when a fire disaster happens, flame and smoke dust can spread to other areas through the grid air openings, so that the fire is further enlarged, and great damage is caused to the life health and property of people.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a fireproof grating which has good fireproof effect, quick response to fire and convenient use.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a fire prevention grid, includes the grid body, the grid body includes grid frame and tripe, the tripe is installed in the grid frame, the grid backplate has been installed at the grid frame back, the shaping has a plurality of first through-holes on the grid backplate, this internal PLASTIC LAMINATED of having installed between tripe and grid backplate of grid, be equipped with a plurality of second through-holes on the PLASTIC LAMINATED, be equipped with a plurality of fire expansion strips that meet fire expansion and block the second through-hole on the PLASTIC LAMINATED between a plurality of second through-holes.

In this embodiment, a first gasket is arranged between the fireproof plate and the outer frame of the grid, and a second gasket is further arranged between the fireproof plate and the back plate of the grid.

In this embodiment, install the fire prevention fixed plate between PLASTIC LAMINATED and the grid backplate, the shaping has a plurality of third through-hole on the fire prevention fixed plate, grid frame facial make-up is equipped with fire prevention carry mechanism, the PLASTIC LAMINATED is hung and is located fire prevention carry mechanism, fire prevention carry mechanism releases the PLASTIC LAMINATED whereabouts when meeting fire, and the second through-hole on it and the third through-hole dislocation of fire prevention fixed plate are blocked after the PLASTIC LAMINATED whereabouts.

In this embodiment, all offer the L type hole that is used for installing fire prevention carry mechanism on fire prevention fixed plate and the PLASTIC LAMINATED, still set up the logical groove that the fire prevention carry mechanism of being convenient for passes through on the tripe, the breach of being convenient for install first gasket is all seted up to apex angle department on the PLASTIC LAMINATED.

In this embodiment, the fire prevention mounting mechanism includes a housing installed on the outer frame of the grille, a mounting hole is opened at one side of the housing, a first rotating shaft for supporting the fire-proof plate through an L-shaped hole penetrates through the mounting hole, an explosion bead is arranged at one side of the first rotating shaft in the housing, and a first spring is installed at the other side of the first rotating shaft.

In this embodiment, a first pin shaft is arranged in a part of the first rotating shaft penetrating through the housing.

In this embodiment, still set up the fifth through-hole that is convenient for explode pearl response external heat on the shell.

In this embodiment, fire prevention carry mechanism still includes fuse-link and the second spring that is used for the induction heating, the both ends of fuse-link all the shaping has the pull ring, the shaping has two couples on the grid frame, the fuse-link passes through the pull ring suit on one of them couple, the fuse-link is connected with first pull rod through another pull ring, first pull rod wears to locate in the second pivot, still wear to be equipped with the second pull rod in the second pivot and opposite with the extending direction of first pull rod, another one couple passes through the second spring coupling with the second pull rod.

In this embodiment, the second hinge shaft penetrates through the space between the fireproof fixing plate and the grid back plate and extends into the outer frame of the grid.

In this embodiment, a first nut is installed at an end of the first pull rod away from the fuse link, and a second nut is installed at an end of the second pull rod away from the second spring.

In this embodiment, fire-proof expansion strips are arranged around the outer frame of the grille.

Compared with the prior art, the invention has the advantages that: the air can circulate through tripe, second through-hole and first through-hole, has installed the fire prevention inflation strip on the PLASTIC LAMINATED between the two liang of adjacent second through-holes in each row, and when the conflagration breaing out, the fire prevention inflation strip is met heat and is taken place the inflation to can shield the second through-hole on the PLASTIC LAMINATED, can prevent that flame and smoke and dust from circulating through the grid body, prevent that the intensity of a fire from further expanding, can ensure human life health and property safety.

Drawings

FIG. 1 is a schematic view of the general structure of an embodiment 1 of a fire protection grate of the present invention;

FIG. 2 is a schematic view of the internal structure of an embodiment 1 of a fire protection grate according to the present invention;

FIG. 3 is a perspective view of a first spacer and a second spacer of an embodiment 1 of a fire protection grate of the present invention;

FIG. 4 is a schematic view of the internal structure of embodiment 2 of a fire protection grate of the present invention;

FIG. 5 is a perspective view of a fire protection fixing plate of embodiment 2 of a fire protection grate according to the present invention;

FIG. 6 is a perspective view of a fire shield of embodiment 2 of a fire protection grate in accordance with the present invention;

FIG. 7 is a perspective view of a fire protection mounting mechanism of embodiment 2 of a fire protection grate of the present invention;

FIG. 8 is a perspective view of a fire protection mounting mechanism of embodiment 3 of a fire protection grate of the present invention;

fig. 9 is a perspective view of a fire protection grate in accordance with example 3 of the present invention.

The reference numerals in the figures denote:

1. a grid body; 11. a grating outer frame; 111. hooking; 12. louver blades; 13. a grid back plate; 14. a first through hole; 15. a first gasket; 16. a second gasket; 2. a fire-proof plate; 21. a second through hole; 22. a fire-resistant intumescent strip; 23. a fireproof fixing plate; 24. a third through hole; 27. an L-shaped hole; 28. a through groove; 29. a notch; 3. a fire prevention mounting mechanism; 31. a housing; 311. mounting holes; 312. a fifth through hole; 32. a first rotating shaft; 321. a first pin shaft; 33. bead blasting; 34. a first spring; 35. a fuse link; 351. a pull ring; 352. a first nut; 36. a first pull rod; 37. a second rotating shaft; 371. a second pin shaft; 38. a second pull rod; 381. a second nut; 39. a second spring.

Detailed Description

The invention will be described in further detail below with reference to the drawings and specific examples.

Example 1:

fig. 1 to 3 show a first embodiment of a fire-proof grating according to the present invention, which includes a grating body 1, the grating body 1 includes a grating outer frame 11 and a louver 12, the louver 12 is installed in the grating outer frame 11, a grating back plate 13 is installed on the back of the grating outer frame 11, a plurality of first through holes 14 are formed on the grating back plate 13, a fire-proof plate 2 is installed between the louver 12 and the grating back plate 13 in the grating body 1, a plurality of second through holes 21 are formed on the fire-proof plate 2, and a plurality of fire-proof expansion strips 22 which expand when exposed to fire and block the second through holes 21 are formed on the fire-proof plate 2 between the plurality of second through holes 21. The air can circulate through tripe 12, second through-hole 21 and first through-hole 14, has installed fire prevention expansion strip 22 between every two liang of adjacent second through-holes 21 in each row on the PLASTIC LAMINATED 2, when the conflagration breaing out, fire prevention expansion strip 22 is met the heat and is taken place the inflation to can shield second through-hole 21 on the PLASTIC LAMINATED 2, can prevent that flame and smoke and dust from circulating through grid body 1, prevent that the intensity of a fire from further expanding, can ensure human life health and property safety.

In this embodiment, a first gasket 15 is disposed between the fire-proof plate 2 and the grid outer frame 11, and a second gasket 16 is further disposed between the fire-proof plate 2 and the grid back plate 13. Can prevent through first gasket 15 that PLASTIC LAMINATED 2 from rocking in grid body 1, lead to fire prevention inflation strip 22 to drop, influence the fire prevention effect, can prevent through second gasket 16 that PLASTIC LAMINATED 2 from hugging closely grid backplate 13, prevent that PLASTIC LAMINATED 2 and grid backplate 13 from pasting together making the area that air got into in the grid body 1 on the grid backplate 13 reduce for ventilation efficiency reduces and influences the ventilation effect.

In this embodiment, the fire-proof expansion strips 22 are disposed around the grille casing 11, the fire-proof expansion strips 22 are disposed between the grille casing 11 and the wall, when a fire occurs, the fire-proof expansion strips 22 expand when encountering fire, and then the gap between the grille casing 11 and the wall is filled up to prevent the spread of flame and smoke from the gap between the grille casing 11 and the wall.

Example 2:

fig. 4 to 7 show a second embodiment of a fire protection grate according to the invention, which is substantially identical to embodiment 1, with the only difference that: in this embodiment, install fire prevention fixed plate 23 between PLASTIC LAMINATED 2 and the grid backplate 13, the shaping has a plurality of third through-hole 24 on the fire prevention fixed plate 23, and grid frame 11 facial make-up is equipped with fire prevention carry mechanism 3, and the PLASTIC LAMINATED 2 is hung and is established on fire prevention carry mechanism 3, and fire prevention carry mechanism 3 releases PLASTIC LAMINATED 2 whereabouts when meeting fire, and second through-hole 21 on it and the dislocation of the third through-hole 24 on the fire prevention fixed plate 23 block behind the PLASTIC LAMINATED 2 whereabouts. When a fire disaster happens, the fire-proof expansion strip 22 on the fire-proof plate 2 is expanded when heated, the second through hole 21 can be shielded, flame and smoke dust are prevented from spreading to other areas through the second through hole 21, the fire-proof mounting mechanism 3 starts to act when heated, the fixation of the fire-proof plate 2 is removed, the fire-proof plate 2 slides and falls on the surface of the fire-proof fixing plate 23, the third through hole 24 and the second through hole 21 are staggered, the third through hole 24 and the second through hole 21 are shielded, the fire-proof effect is further improved, the flame and smoke dust can be further prevented from spreading, and the life health and property safety of a human body are guaranteed.

In this embodiment, the fire-proof fixing plate 23 and the fire-proof plate 2 are both provided with an L-shaped hole 27 for installing the fire-proof mounting mechanism 3, the louver 12 is further provided with a through groove 28 for the fire-proof mounting mechanism 3 to pass through, and the top corner of the fire-proof plate 2 is provided with a notch 29 for installing the first gasket 15. Fire prevention carry mechanism 3 supports PLASTIC LAMINATED 2 through L type hole 27, and when the conflagration breaing out, skew takes place for fire prevention carry mechanism 3 in L type hole 27, no longer supports PLASTIC LAMINATED 2, and PLASTIC LAMINATED 2 is at fire prevention fixed plate 23 surface landing, sets up logical groove 28 on tripe 12 and is convenient for install fire prevention carry mechanism 3 and can not influence fire prevention carry mechanism 3 and operate when the conflagration breaing out.

In this embodiment, the fire protection mounting mechanism 3 includes a housing 31 mounted on the grid outer frame 11, a mounting hole 311 is formed in one side of the housing 31, a first rotating shaft 32 that supports the fire protection plate 2 through the L-shaped hole 27 penetrates through the mounting hole 311, a blasting bead 33 is disposed on one side of the first rotating shaft 32 in the housing 31, and a first spring 34 is mounted on the other side of the first rotating shaft 32. The part of first pivot 32 outside shell 31 wears to locate in L type hole 27, L type hole 27 comprises through two mutually perpendicular's bar hole, first pivot 32 is located L type hole 27 bottom and the parallel bar hole of horizontal plane, and support PLASTIC LAMINATED 2, make second through-hole 21 and the third through-hole 24 one-to-one on the fire prevention fixed plate 23, when the conflagration breaing out, the pearl 33 that explodes meets the heat and breaks, first spring 34 promotes first pivot 32 and rotates along clockwise in mounting hole 311, make first pivot 32 rotatory to L type hole 27 in with bottom bar hole to the vertically bar downthehole, first pivot 32 no longer supports PLASTIC LAMINATED 2, make PLASTIC LAMINATED 2 whereabouts, and then make second through-hole 21 and the dislocation of third through-hole 24 on the PLASTIC LAMINATED 2, prevent that flame and smoke and dust from stretching through second through-hole 21 and third through-hole 24.

In this embodiment, the first rotating shaft 32 is disposed in the housing 31, and a portion thereof penetrates through the first pin 321 and extends into the grille outer frame 11. First 32 first round pin axles 321 of first pivot are rotatory for rotation center, improve the stability of first round pin axle 321 in rotatory in-process, prevent that first round pin axle 321 from rotatory to other positions, lead to the unable whereabouts of PLASTIC LAMINATED 2, influence the fire prevention effect.

In this embodiment, the housing 31 further has a fifth through hole 312 for facilitating the bead 33 to sense external heat. The heat transfer to the housing 31 is prevented by the fifth through hole 312, so that the explosion bead cannot be rapidly sensed by the heat explosion 33.

Example 3:

fig. 8 to 9 show a third embodiment of a fire protection grate according to the invention, which is substantially identical to embodiment 1, with the only difference that: in this embodiment, the fire protection mounting mechanism 3 further includes a fuse link 35 and a second spring 39 for inducing heat, pull rings 351 are formed at two ends of the fuse link 35, two hooks 111 are formed on the grille outer frame 11, the fuse link 35 is sleeved on one of the hooks 111 through the pull ring 351, the fuse link 35 is connected with the first pull rod 36 through another pull ring 351, the first pull rod 36 is arranged in the second rotating shaft 37 in a penetrating manner, the second pull rod 38 is arranged in the second rotating shaft 37 in a penetrating manner, the extending direction of the second pull rod 36 is opposite, and the other hook 111 is connected with the second pull rod 38 through the second spring 39. The fuse link 35 provides a horizontal left pulling force for the second rotating shaft 37 through the first pulling rod 36, the second spring 39 provides a horizontal right pulling force for the second rotating shaft 37 through the second pulling rod 38, so that the second rotating shaft 37 is in a stress balance state, the second rotating shaft 37 penetrates through the strip-shaped hole at the bottom of the L-shaped hole 27 to support the fire-proof plate 2, when a fire breaks out, the fire-proof expansion strip 22 on the fire-proof plate 2 is heated to expand to shield the second through hole 21, flame and smoke are prevented from spreading to other places through the second through hole 21 and the third through hole 24, the fuse link 35 is heated to break, the horizontal left pulling force disappears, the second spring 39 contracts to drive the second rotating shaft 37 to rotate anticlockwise, so that the second rotating shaft 37 rotates to the strip-shaped hole vertical to the bottom strip-shaped hole 27, the fire-proof plate 2 is supported to fall, and the third through hole 24 is dislocated with the second through hole 21, the fireproof effect can be further improved, and the life health and property safety of the human body can be further guaranteed.

In this embodiment, the second shaft 37 penetrates through the second pin 371 between the fireproof fixing plate 23 and the grid back plate 13 and extends into the grid outer frame 11. The second shaft 37 rotates around the second pin 371 as the rotation center when rotating, so that the stability of the second shaft 37 in the rotation process can be improved, and the second shaft 37 is prevented from being dislocated in the rotation process, so that the fireproof plate 2 cannot normally fall down.

In this embodiment, a first nut 352 is disposed at an end of the first pull rod 36 away from the fuse link 35, and a second nut 381 is disposed at an end of the second pull rod 38 away from the second spring 39. The amount of the pulling force applied to the second rotating shaft 37 by the first pulling rod 36 and the second pulling rod 38 can be adjusted through the first nut 352 and the second nut 381, so that the second rotating shaft 37 is balanced in force.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.