CN214006971U

CN214006971U - Smoke filtering fireproof door

Info

Publication number: CN214006971U
Application number: CN202021124256.0U
Authority: CN
Inventors: 沈福顺
Original assignee: Wuxi Fuchen Door Technology Co ltd
Current assignee: Wuxi Fuchen Door Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-08-20
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a flue gas filters prevents fire door: the door plate fixing device comprises a door plate, a mounting mechanism and a stretching mechanism, wherein the mounting mechanism comprises a base, the base is positioned in the middle of one side of the door plate, one end of the base is fixedly connected with fireproof glass, a baffle is arranged in the middle of the inner side of the base, one end of the baffle is provided with a bolt, the outer surface of one end of the bolt is fixedly connected with a threaded sleeve, the inner surface of the threaded sleeve is provided with a threaded groove, one end of the bolt is fixedly connected with a rhombic nut, one side of the bottom of the rhombic nut is provided with a screw hole, the top end of the bolt penetrates through the screw hole and is positioned on the outer surface of the baffle, and one end of the baffle is fixedly connected with a rotating shaft; through having designed installation mechanism, when the change that the filtering material in the fire door plant filtering layer needs, can pull down installation mechanism, take off the filter block and change, through having designed sealed the pad, also prevented the problem of infiltration in the flue gas passes through the filtering layer installation seam.

Description

Smoke filtering fireproof door

Technical Field

The utility model belongs to the technical field of prevent fire door, concretely relates to flue gas filters prevents fire door.

Background

The smoke filtering fireproof door is a door which can meet the requirements of fire resistance stability, integrity, heat insulation and smoke filtering within a certain time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. Besides the function of a common door, the fire door has the functions of preventing the fire from spreading and the smoke from diffusing, can prevent the fire from spreading within a certain time, and ensures that people are evacuated in time. However, various smoke filtering fireproof doors in the market still have the problems that the smoke filtering layer cannot be replaced and the tightness is insufficient, so that the smoke filtering fireproof door is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire door is prevented in flue gas filtration to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flue gas filters prevents fire door, includes door plant, installation mechanism and stretching mechanism, installation mechanism includes the base, the base is located in the middle of door plant one side, base one end fixedly connected with fire prevention glass, be provided with the baffle in the middle of the inboard of base, baffle one end is provided with the bolt, bolt one end surface fixedly connected with thread bush, thread groove has been seted up to the thread bush inside surface, bolt one end fixedly connected with rhombus nut, the screw has been seted up to baffle one end surface, the bolt top runs through the surface that the screw is in the baffle, baffle one end fixedly connected with pivot, fire prevention glass's bottom surface is provided with sealed the pad.

Preferably, stretching mechanism includes spacing pipe, spacing pipe is in the inboard bottom of door plant, fire prevention expansion plate is installed to spacing inside pipe wall, fire prevention expansion plate is in spacing inside pipe wall and has seted up the spout, spacing pipe one end is provided with the draw bolt, draw bolt one end runs through spacing inside pipe wall and fire prevention expansion plate inner wall, the spring pocket has been seted up in the outside that the draw bolt is in spacing inside pipe wall, the surface that the draw bolt is in the spring pocket inboard is provided with the spring, the draw bolt is in the outside of fire prevention expansion plate inner wall and has seted up the spacing groove, the draw bolt is in the inboard fixed surface of spring pocket and is connected with the dog, just the dog is in spring one end.

Preferably, one side in the middle of the door plant is provided with the filter block, be provided with the vent in the middle of the one end of filter block, the one end of vent is provided with the check layer that admits air, the bottom one side of the check layer that admits air is provided with the handle, the other end of the check layer that admits air is provided with the prefilter layer, the one end of prefilter layer is provided with the activated carbon layer, the other end of prefilter layer is provided with the filter chamber, the one end of filter chamber is provided with the air guide fan.

Preferably, the spring groove is in sliding connection with the spring, and the pulling bolt is movably connected with the limiting groove.

Preferably, a door frame is installed on the outer side of the door plate, a door stopper is arranged in the middle of the bottom end of the door frame, a door closer is arranged on the other side of the bottom end of the door frame, and a door handle is arranged at the bottom end of the door closer.

Preferably, the door hinges are installed on the outer sides of the door plates and distributed equidistantly, and the number of the door hinges is six.

Preferably, the induced draft fans are distributed at equal intervals, and the number of the induced draft fans is four.

Preferably, the quantity that the door closer set up is two altogether, the door closer is symmetric distribution and compares with prior art, the beneficial effects of the utility model are that:

(1) through having designed installation mechanism, when the change of the filtering material needs in the fire door board filter layer, can become flexible installation mechanism, take off the filter layer and change, through having designed sealed the pad, also prevented the problem of infiltration in the flue gas passes through the filter layer installation seam.

(2) Through having designed stretching mechanism, improved the compactedness of preventing fire door, the fire prevention inflation board meets high temperature inflation, stops up the crack, can effectual isolated flue gas to play fire-retardant effect.

Drawings

Fig. 1 is a front view structure diagram of the present invention;

fig. 2 is a schematic view of the back front view structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the filter block of the present invention;

fig. 4 is a schematic cross-sectional view taken at a in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 4 according to the present invention;

in the figure: 1. a filter block; 2. a handle; 3. a door stopper; 4. a door frame; 5. fireproof glass; 6. a door handle; 7. a door panel; 8. a door hinge; 9. a vent; 10. a door closer; 11. a fire-resistant expansion panel; 12. A pre-filter layer; 13. an activated carbon layer; 14. an air intake lattice layer; 15. an air induction fan; 16. a filtering chamber; 17. A spring; 18. pulling the bolt; 19. a spring slot; 20. a chute; 21. a stopper; 22. a limiting groove; 23. a limiting pipe; 24. a base; 25. a threaded sleeve; 26. a screw hole; 27. a diamond-shaped screw cap; 28. a baffle plate; 29. a rotating shaft; 30. a bolt; 31. a gasket; 32. a thread groove.

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 a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a smoke filtering fire door, which comprises: including door plant 7, installation mechanism and stretching mechanism, installation mechanism includes base 24, base 24 is located in the middle of door plant 7 one side, 24 one end fixedly connected with fire prevention glass 5 of base, be provided with baffle 28 in the middle of the inboard of base 24, baffle 28 one end is provided with bolt 30, bolt 30 one end external surface fixedly connected with thread bush 25, thread groove 32 has been seted up to the side surface in thread bush 25, bolt 30 one end fixedly connected with rhombus nut 27, screw 26 has been seted up to 28 one end surface of baffle, the bolt 30 top is run through the surface that screw 26 is in

baffle

28, 28 one end fixedly connected with pivot 29 of baffle, the bottom surface of fire prevention glass 5 is provided with sealed the pad 31.

In order to facilitate the fireproof expansion plate 11 to block up the door gap, in this embodiment, preferably, the stretching mechanism includes a limiting pipe 23, the limiting pipe 23 is located at the bottom end of the inner side of the door plate 7, the fireproof expansion plate 11 is installed on the inner wall of the limiting pipe 23, the fireproof expansion plate 11 is located on the inner wall of the limiting pipe 23, and a sliding chute 20 is formed, one end of the limiting pipe 23 is provided with a pulling bolt 18, one end of the pulling bolt 18 penetrates through the inner wall of the limiting pipe 23 and the inner wall of the fireproof expansion plate 11, a spring groove 19 is formed in the outer side of the pulling bolt 18, which is located on the inner wall of the limiting pipe 23, a spring 17 is arranged on the outer surface of the pulling bolt 18, which is located on the inner side of the spring groove 19, and a limiting groove 22 is formed in the outer side of the fireproof expansion plate 11, the pulling bolt 18 is located on the inner side of the spring groove 19 and is fixedly connected with a stopper 21, and the stopper 21 is located on one end of the spring 17.

In order to facilitate the filtration of the flue gas, in this embodiment, preferably, a filter block 1 is disposed on one side of the middle of the door panel 7, a vent 9 is disposed in the middle of one end of the filter block 1, an air inlet lattice layer 14 is disposed at one end of the vent 9, a handle 2 is disposed on one side of the bottom end of the air inlet lattice layer 14, a pre-filter layer 12 is disposed at the other end of the air inlet lattice layer 14, an activated carbon layer 13 is disposed at one end of the pre-filter layer 12, a filter chamber 16 is disposed at the other end of the pre-filter layer 12, and an air guiding fan 15 is disposed at one end of the filter chamber 16.

In order to facilitate the free sliding of the spring, in this embodiment, it is preferable that the spring groove 19 is slidably connected to the spring 17, and the pulling plug 18 is movably connected to the limiting groove 22.

In order to facilitate the free opening and closing of the passing door, in the present embodiment, preferably, the door stopper 3 is disposed in the middle of the bottom end of the door frame 4, the door closer 10 is disposed on the other side of the bottom end of the door frame 4, and the door handle 6 is disposed at the bottom end of the door closer 10.

In order to facilitate the free rotation of the door panel 7, in this embodiment, it is preferable that the door hinges 8 are located on the outer side of the door panel 7, the door hinges 8 are distributed equidistantly, and the number of the door hinges 8 is six.

In order to facilitate the introduction and the filtration of the flue gas, in this embodiment, preferably, the bleed air fans 15 are distributed at equal intervals, and the number of the bleed air fans 15 is four.

In order to facilitate the stability of the fire door, in this embodiment, it is preferable that the number of the door closers 10 is two, and the door closers 10 are symmetrically distributed.

The utility model discloses a theory of operation and use flow: after the device is installed, when the filter block 1 needs to be used, the handle 2 is held to move towards the fireproof glass 5, when the bolt 30 is clamped with the threaded sleeve 25, the baffle 28 is rotated to enable the baffle 28 to be vertical, the bolt 30 penetrates through the threaded hole 26 at the moment, the rhombic nut 27 is rotated to fix the bolt 30 and the threaded sleeve 25, and after the filter block 1 is fixed, the rhombic nut 27 is rotated to enable the rhombic nut 27 to be perpendicular to the threaded hole 26, and the installation is finished. When needing to use fire prevention expansion board 11 to block up the crack, pulling tieing 18, spring 17 atress shrink, tieing 18 slides along spring groove 19 inboard, after tieing 18's one end left spacing groove 22, fire prevention expansion board 11 slides down along spout 20 under the effect of gravity, with ground contact to support ground, loosen tieing 18, spring 17 stretches out the reconversion, promotes tieing 18 and supports fire prevention expansion board 11 surface, fire prevention expansion board 11 is fixed this moment. When smoke and fire or high temperature exists, the fireproof expansion plate 11 expands to tightly block the door gap and isolate smoke.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire door is prevented in flue gas filtration, includes door plant (7), installation mechanism and stretching mechanism, its characterized in that: the mounting mechanism comprises a base (24), the base (24) is positioned in the middle of one side of the door panel (7), one end of the base (24) is fixedly connected with fireproof glass (5), a baffle plate (28) is arranged in the middle of the inner side of the base (24), a bolt (30) is arranged at one end of the baffle plate (28), a threaded sleeve (25) is fixedly connected to the outer surface of one end of the bolt (30), a thread groove (32) is formed on the inner side surface of the thread sleeve (25), a diamond-shaped nut (27) is fixedly connected with one end of the bolt (30), the outer surface of one end of the baffle plate (28) is provided with a screw hole (26), the top end of the bolt (30) penetrates through the screw hole (26) and is positioned on the outer surface of the baffle plate (28), baffle (28) one end fixedly connected with pivot (29), the bottom surface of fire prevention glass (5) is provided with sealed pad (31).

2. The fire door as recited in claim 1, further comprising: the stretching mechanism comprises a limiting pipe (23), the limiting pipe (23) is arranged at the bottom end of the inner side of the door plate (7), a fireproof expansion plate (11) is installed on the inner wall of the limiting pipe (23), the fireproof expansion plate (11) is arranged on the inner wall of the limiting pipe (23) and provided with a sliding chute (20), a pulling bolt (18) is arranged at one end of the limiting pipe (23), one end of the pulling bolt (18) penetrates through the inner wall of the limiting pipe (23) and the inner wall of the fireproof expansion plate (11), a spring groove (19) is formed in the outer side, located on the inner wall of the limiting pipe (23), of the pulling bolt (18), a spring (17) is arranged on the outer surface, located on the inner side of the spring groove (19), of the pulling bolt (18) is located on the outer side of the inner wall of the fireproof expansion plate (11) and provided with a limiting groove (22), and a stop block (21) is fixedly connected to the outer surface, located on the inner side, of the pulling bolt (18) of the spring groove (19), and the stop block (21) is arranged at one end of the spring (17).

3. The fire door as recited in claim 1, further comprising: the utility model discloses a door leaf, including door plant (7), door plant (1), air inlet grid layer (14), handle (2) are provided with in the middle of the middle one side of door plant (7), be provided with vent (9) in the middle of the one end of filter block (1), the one end of vent (9) is provided with air inlet grid layer (14), air inlet grid layer's (14) bottom one side is provided with handle (2), air inlet grid layer's (14) the other end is provided with prefilter layer (12), the one end of prefilter layer (12) is provided with activated carbon layer (13), the other end of prefilter layer (12) is provided with filter chamber (16), the.

4. A smoke filtering fire door as claimed in claim 2, characterised in that: the spring groove (19) is in sliding connection with the spring (17), and the pulling bolt (18) is movably connected with the limiting groove (22).

5. The fire door as recited in claim 1, further comprising: the door is characterized in that a door frame (4) is installed on the outer side of the door plate (7), a door stopper (3) is arranged in the middle of the bottom end of the door frame (4), a door closer (10) is arranged on the other side of the bottom end of the door frame (4), and a door handle (6) is arranged at the bottom end of the door closer (10).

6. The fire door as recited in claim 1, further comprising: door hinge (8) are installed in the outside of door plant (7), door hinge (8) are the equidistance and distribute, the quantity that door hinge (8) set up is six altogether.

7. A smoke filtering fire door as claimed in claim 3, characterised in that: the air guide fans (15) are distributed at equal intervals, and the number of the air guide fans (15) is four.

8. The fire door as recited in claim 5, further comprising: the number of the door closers (10) is two, and the door closers (10) are symmetrically distributed.