CN215978258U - House building fire control safety channel structure that exhausts - Google Patents

Abstract

The utility model discloses a building fire-fighting exhaust safe passage structure, which belongs to the technical field of fire-fighting exhaust safe passage structures and comprises a flue, wherein air inlets and exhaust ports are arranged at two ends of the flue, an inner cavity of the flue is a main exhaust passage, a plurality of circular grooves are formed in the side surface of the flue, a plurality of rectangular grooves are formed in the surface of the other side of the flue, a main exhaust passage for kitchen exhaust is arranged in the flue, oil smoke absorbed by a range hood on each layer can form an auxiliary exhaust passage through an L-shaped guide plate, the oil smoke in the flue can not flow back by matching with a check valve, and meanwhile, a motor drives axial flow fan blades to rotate to accelerate the exhaust of the oil smoke; the shrouding is normally closed sealing state with the inside casing, makes kitchen and flue isolated, and when the kitchen cigarette volume was big, first electric jar promoted the push pedal and removes, drives the fixed axle through the connecting block and removes, makes a plurality of vanes rotate and open, and the electric jar piston rod of second promotes the fixed block and removes simultaneously, drives the shrouding and rotates along the inside casing bottom, then discharges fume fast.

Description

House building fire control safety channel structure that exhausts

Technical Field

The utility model relates to the technical field of fire-fighting exhaust safe passage structures, in particular to a fire-fighting exhaust safe passage structure for a house building.

Background

Fire control is the greatest importance about life safety of people, when a commercial large house is built, particularly for a high-rise building, public kitchens are arranged in multiple layers in the building, the exhaust safe channel structure of kitchen oil smoke always has the phenomenon that the oil smoke in a flue is sucked back into the kitchen, the oil smoke in the flue is low in exhaust speed, the oil smoke in the kitchen cannot be rapidly exhausted outdoors, the situation that the oil smoke spreads indoors is caused, once a fire situation occurs, the oil smoke can generate fatal combustion waste gas, and therefore the building fire control exhaust safe channel structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fire-fighting exhaust safe passage structure for a house building, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a housing construction fire control safety channel structure that exhausts, includes the flue, the flue both ends are equipped with air inlet, gas vent, the flue inner chamber is main exhaust passage, a plurality of circular slots have been seted up to the flue side, a plurality of rectangular channels have been seted up to the surface of the other side of flue, sealing connection has the check valve in the circular slot, check valve fixedly connected with lampblack absorber, the guard shield is installed to the gas vent upper end, fixed mounting has fume extractor on the guard shield, the flue inner wall is fixed and is equipped with a plurality of L shape baffle, steel mesh, fixed mounting has tripe device, normally closed door gear in the rectangular channel.

Preferably, the bottom end of the protective cover is fixedly provided with a supporting column, the bottom end of the supporting column is fixedly arranged on the upper surface of the flue, the upper surface of the protective cover is fixedly provided with a rainproof box, and a smoke exhaust device is fixedly arranged in the rainproof box.

Preferably, the fume extractor comprises a motor, the motor is fixedly arranged in the rainproof box, a first bevel gear is fixedly arranged at the output end of the motor, the first bevel gear is meshed with a second bevel gear, the bottom end of the second bevel gear is fixedly connected with a transmission shaft, and the transmission shaft penetrates through the bottom surface of the protective cover and is fixedly connected with an axial flow fan blade.

Preferably, any one of the L-shaped guide plates is fixedly arranged on the inner wall of the flue at the circular groove, and an auxiliary exhaust channel is arranged between the L-shaped guide plate and the inner wall of the flue.

Preferably, the tripe device is including the frame, the mounting groove has been seted up to the frame side, the rectangular channel is located to the frame, the symmetry is equipped with expansion bolts in the frame both sides, expansion bolts bottom mounting locates the inner wall of rectangular channel both sides, a plurality of casement are installed to the frame internal rotation, the fixed pivot that is equipped with in casement both ends, the pivot is connected with the frame inner wall rotation, the fixed axle that is equipped with in casement one end, the fixed axle sliding clamping has the connecting block, connecting block terminal surface department fixedly connected with push pedal, the first electric jar of push pedal bottom fixedly connected with.

Preferably, first spout has been seted up on the connecting block surface, the slip joint fixed axle in the first spout, push pedal, connecting block are installed in the mounting groove, first electric jar is fixed to be located the frame bottom.

Preferably, the door device is closed including the inside casing normally, the inside casing is fixed to be located in the rectangular channel, the inside casing is located the frame inboard, the inside casing bottom is rotated and is connected with the shrouding, second convex spout has been seted up to the shrouding both sides, first convex spout has been seted up to inside casing surface symmetry, sliding joint has the convex guide block in the first convex spout, the second spout has been seted up on convex guide block surface, sliding joint has slide shaft one end in the second spout, slide shaft other end sliding joint is in second convex spout, inside casing side fixed mounting has the second electric jar, the fixed stopper that is equipped with of second electric jar piston rod, the fixed block that is equipped with in convex guide block side, the third spout has been seted up on the fixed block surface, stopper sliding joint is in the third spout.

Preferably, the inner frame is provided with rotating blocks symmetrically and fixedly on the inner side, the rotating blocks are connected with the two sides of the sealing plate in a rotating mode, the bottom end of the second electric cylinder is fixedly provided with a fixed seat, and the fixed seat is fixedly connected with the side face of the inner frame.

Compared with the prior art, the utility model has the beneficial effects that:

1. the inner part of the flue is a main exhaust channel for smoke exhaust of a kitchen, smoke absorbed by the range hood on each layer can form an auxiliary exhaust channel through the L-shaped guide plate, the smoke in the flue cannot flow back by matching with the check valve, and meanwhile, the motor drives the axial flow fan blades to rotate so as to accelerate the smoke exhaust;

2. the sealing plate and the inner frame are in a normally closed sealing state, so that a kitchen is isolated from a flue, when the smoke volume of the kitchen is large, the first electric cylinder pushes the push plate to move, the fixed shaft is driven by the connecting block to move, the plurality of window leaves are rotated and opened, meanwhile, the piston rod of the second electric cylinder pushes the fixed block to move, the sealing plate is driven to rotate along the bottom end of the inner frame, and then smoke is discharged quickly;

drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic view of a structural flue of the present invention.

FIG. 3 is a schematic view of the structure of the present invention, L-shaped guide plate and steel net.

Fig. 4 is a schematic view of a normally closed door device according to the present invention.

FIG. 5 is a schematic view of a shutter device according to the present invention.

Fig. 6 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a flue; 11. an air inlet; 12. an exhaust port; 13. a circular groove; 14. a rectangular groove; 2. a range hood; 3. a check valve; 4. a fume extractor; 41. a motor; 42. a first bevel gear; 43. a second bevel gear; 44. a drive shaft; 45. axial flow fan blades; 5. a shield; 51. a pillar; 52. a rain-proof box; 6. an L-shaped guide plate; 7. a steel mesh; 8. a shutter device; 81. an outer frame; 811. mounting grooves; 82. an expansion bolt; 83. a louver; 831. a rotating shaft; 832. a fixed shaft; 84. a first electric cylinder; 85. pushing the plate; 86. connecting blocks; 861. a first chute; 9. a normally closed door device; 91. an inner frame; 911. rotating the block; 92. a first convex chute; 93. a second electric cylinder; 931. a fixed seat; 932. a limiting block; 94. a convex guide block; 941. a second chute; 95. a slide shaft; 96. closing the plate; 961. a second convex chute; 97. a fixed block; 971. and a third chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-6, the utility model provides a fire-fighting exhaust safe passage structure for a house building, which comprises a flue 1, wherein an air inlet 11 and an exhaust port 12 are arranged at two ends of the flue 1, an inner cavity of the flue 1 is a main exhaust passage, a main exhaust passage for kitchen exhaust is arranged inside the flue 1, a plurality of circular grooves 13 are arranged on the side surface of the flue 1, a plurality of rectangular grooves 14 are arranged on the surface of the other side of the flue 1, check valves 3 are hermetically connected in the circular grooves 13 to prevent smoke in the flue 1 from flowing back into a kitchen, a range hood 2 is fixedly connected to the check valves 3 and can absorb the smoke in the kitchen, a shield 5 is arranged at the upper end of the exhaust port 12, a smoke exhaust device 4 is fixedly arranged on the shield 5, the smoke exhaust device 4 and the flue 1 are protected from rain by the shield 5, a plurality of L-shaped guide plates 6 and steel meshes 7 are fixedly arranged on the inner wall of the flue 1, and the L-shaped guide plates 6 can realize that an auxiliary exhaust passage is formed at each layer, reduce the cigarette backward flow kitchen in the flue 1, fixed mounting has tripe device 8, normal close door gear 9 in the rectangular channel 14, can realize through normal close door gear 9 that flue 1 and kitchen normally closed are sealed, when opening tripe device 8 and normally closed door gear 9, can absorb the cigarette in the kitchen fast.

Furthermore, a support post 51 is fixedly installed at the bottom end of the protective cover 5, the bottom end of the support post 51 is fixedly arranged on the upper surface of the flue 1, a rain-proof box 52 is fixedly arranged on the upper surface of the protective cover 5, and the smoke exhaust device 4 is fixedly installed in the rain-proof box 52, so that the smoke exhaust device 4 and the flue 1 can be protected from rainwater through the protective cover 5.

Further, fume extractor 4 is including motor 41, motor 41 is fixed to be located in rain-proof box 52, and motor 41 is by fixed mounting, motor 41 output end is fixed and is equipped with first conical gear 42, first conical gear 42 meshing is connected with second conical gear 43, second conical gear 43 bottom fixedly connected with transmission shaft 44, transmission shaft 44 runs through 5 bottom surfaces of guard shield to fixedly connected with axial fan 45 to motor 41 drives first conical gear 42, second conical gear 43 and rotates, can drive the cigarette in flue 1 through axial fan 45 fast and discharge with higher speed.

Further, any one L-shaped guide plate 6 is fixedly installed on the inner wall of the flue 1 at the position of the circular groove 13, and an auxiliary exhaust passage is arranged between the L-shaped guide plate 6 and the inner wall of the flue 1, so that oil smoke absorbed by the range hood 2 on each layer can form the auxiliary exhaust passage through the L-shaped guide plate 6, and then the oil smoke of the main exhaust passage in the flue 1 cannot flow back to a kitchen.

Further, the louver device 8 includes an outer frame 81, a mounting groove 811 is formed in a side surface of the outer frame 81, the outer frame 81 is disposed in the rectangular groove 14, the outer frame 81 is sleeved in the rectangular groove 14, expansion bolts 82 are symmetrically disposed in two sides of the outer frame 81, bottom ends of the expansion bolts 82 are fixedly disposed on inner walls of two sides of the rectangular groove 14, so that the outer frame 81 is fixedly mounted, a plurality of louvers 83 are rotatably mounted in the outer frame 81, rotating shafts 831 are fixedly disposed at two ends of the louvers 83, the rotating shafts 831 are rotatably connected with the inner walls of the outer frame 81, so that the plurality of louvers 83 can rotate in the outer frame 81, a fixing shaft 832 is fixedly disposed at one end of the louvers 83, a connecting block 86 is clamped on the fixing shaft 832, a push plate 85 is fixedly connected to an end surface of the connecting block 86, a first electric cylinder 84 is fixedly connected to a bottom end of the push plate 85, so that the first electric cylinder 84 pushes the push plate 85 to move, the fixed shaft 832 can be driven by the connecting block 86 to move, so that the louver 83 rotates around the axis of the rotating shaft 831, and the plurality of louvers 83 are opened or closed.

Furthermore, a first sliding groove 861 is formed in the surface of the connecting block 86, the first sliding groove 861 is slidably clamped with the fixing shaft 832, so that the connecting block 86 can drive the fixing shaft 832 to move, the push plate 85 and the connecting block 86 are installed in the installation groove 811, and are fixedly arranged at the bottom end of the outer frame 81 by the first electric cylinder 84, so that the first electric cylinder 84 is fixedly installed.

Further, the normally closed door device 9 includes an inner frame 91, the inner frame 91 is fixedly disposed in the rectangular groove 14, the inner frame 91 is fixedly mounted inside the outer frame 81, the inner frame 91 is disposed inside the outer frame 81, a sealing plate 96 is rotatably connected to the bottom end of the inner frame 91, the sealing plate 96 is normally sealed and normally closed with the inner frame 91, second convex sliding grooves 961 are disposed on two sides of the sealing plate 96, first convex sliding grooves 92 are symmetrically disposed on the surface of the inner frame 91, a convex guide block 94 is slidably engaged in the first convex sliding grooves 92, the convex guide block 94 stably slides along the first convex sliding grooves 92, a second sliding groove 941 is disposed on the surface of the convex guide block 94, one end of a sliding shaft 95 is slidably engaged in the second convex sliding grooves 961, two ends of the sliding shaft 95 are slidably engaged in the second sliding grooves 941 and the second convex sliding grooves 961 respectively, thereby when inside casing 91 and frame 81 turned angle change, slide shaft 95 can slide in second spout 941 and the convex spout 961 of second, leads then, makes shrouding 96 can be in stable state all the time, inside casing 91 side fixed mounting has second electric cylinder 93, the fixed stopper 932 that is equipped with of second electric cylinder 93 piston rod, the fixed block 97 that is equipped with in convex guide block 94 side, third spout 971 has been seted up on fixed block 97 surface, stopper 932 sliding clamping connects in third spout 971 to second electric cylinder 93 piston rod promotes the fixed block 97 and removes, can realize shrouding 96 and rotate along inside casing 91 bottom.

Further, the inboard symmetry of inside casing 91 is fixed to be equipped with changes piece 911, it is connected with the rotation of shrouding 96 both sides between the piece 911 to inside casing 91 is connected with the rotation of shrouding 96, second electric cylinder 93 bottom mounting is equipped with fixing base 931, fixing base 931 and inside casing 91 side fixed connection, thereby second electric cylinder 93 is by fixed mounting.

The working principle is as follows: the interior of the flue 1 is a main exhaust channel for smoke exhaust of a kitchen, a check valve 3 is additionally arranged between the range hood 2 on each layer and the flue 1, absorbed smoke flows to the L-shaped guide plate 6 through the circular groove 13 to form an auxiliary exhaust channel, so that the smoke of the main exhaust channel in the flue 1 cannot flow back to the kitchen, the motor 41 and the flue 1 are protected from rain through the shield 5, the motor 41 is started to drive the first bevel gear 42 and the second bevel gear 43 to rotate, the smoke in the flue 1 can be quickly driven to be exhausted in an accelerated manner through the axial flow fan blades 45, under normal conditions, the seal plate 96 and the inner frame 91 are in a sealed normally closed state, when the smoke volume is large, the first electric cylinder 84 is started to push the push plate 85 to move, the fixed shaft 832 can be driven to move through the connecting block 86, so that the plurality of window blades 83 rotate respectively around the axis of the rotating shaft 831 to open the plurality of window blades 83, and simultaneously the piston rod of the second electric cylinder 93 pushes the fixed block 97 to move, can realize that shrouding 96 rotates along inside casing 91 bottom, rotate the stage, convex guide block 94 is along first convex spout 92 internal stability slip, makes inside casing 91 and frame 81 turned angle change, and smooth axle 95 can follow and carry out the steady slip in second spout 941 and the convex spout 961 of second simultaneously, leads through convex guide block 94 then, makes shrouding 96 can be in stable condition all the time.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The utility model provides a housing construction fire control safety channel structure that exhausts, includes flue (1), its characterized in that: the improved smoke exhaust ventilator is characterized in that an air inlet (11) and an air outlet (12) are arranged at two ends of the flue (1), an inner cavity of the flue (1) is a main exhaust passage, a plurality of circular grooves (13) are formed in the side surface of the flue (1), a plurality of rectangular grooves (14) are formed in the other side surface of the flue (1), a check valve (3) is connected in the circular grooves (13) in a sealing mode, the check valve (3) is fixedly connected with a smoke ventilator (2), a shield (5) is installed at the upper end of the air outlet (12), a smoke exhaust device (4) is fixedly installed on the shield (5), a plurality of L-shaped guide plates (6) and a steel mesh (7) are fixedly arranged on the inner wall of the flue (1), and a louver device (8) and a normally closed door device (9) are fixedly installed in the rectangular grooves (14).

2. A fire-fighting exhaust gas safety channel structure for house building as recited in claim 1, characterized in that the bottom end of said shield (5) is fixedly installed with a pillar (51), the bottom end of said pillar (51) is fixedly installed on the upper surface of said flue (1), the upper surface of said shield (5) is fixedly installed with a rain-proof box (52), and said rain-proof box (52) is internally fixedly installed with a smoke exhaust device (4).

3. The fire-fighting exhaust gas safety channel structure of the house building as claimed in claim 2, wherein the smoke exhaust device (4) comprises a motor (41), the motor (41) is fixedly arranged in the rain-proof box (52), the output end of the motor (41) is fixedly provided with a first bevel gear (42), the first bevel gear (42) is engaged with a second bevel gear (43), the bottom end of the second bevel gear (43) is fixedly connected with a transmission shaft (44), and the transmission shaft (44) penetrates through the bottom surface of the shield (5) and is fixedly connected with an axial flow fan blade (45).

4. A fire-fighting exhaust gas safety channel structure for house building as recited in claim 1, characterized in that any one of the L-shaped guide plates (6) is fixedly installed on the inner wall of the flue (1) at the circular groove (13), and an auxiliary exhaust channel is arranged between the L-shaped guide plate (6) and the inner wall of the flue (1).

5. The fire-fighting exhaust gas safety channel structure of the house building according to claim 1, wherein the louver device (8) comprises an outer frame (81), the side surface of the outer frame (81) is provided with an installation groove (811), the outer frame (81) is arranged in the rectangular groove (14), expansion bolts (82) are symmetrically arranged in two sides of the outer frame (81), the bottom ends of the expansion bolts (82) are fixedly arranged on inner walls of two sides of the rectangular groove (14), a plurality of window leaves (83) are rotatably arranged in the outer frame (81), rotating shafts (831) are fixedly arranged at two ends of the window leaves (83), the rotating shafts (831) are rotatably connected with the inner walls of the outer frame (81), a fixed shaft (832) is fixedly arranged at one end of the window leaves (83), the fixed shaft (832) is slidably clamped with a connecting block (86), and a push plate (85) is fixedly connected at the end surface of the connecting block (86), the bottom end of the push plate (85) is fixedly connected with a first electric cylinder (84).

6. The fire-fighting exhaust gas safety channel structure for the house building as recited in claim 5, wherein a first sliding groove (861) is formed in a surface of the connecting block (86), the first sliding groove (861) is slidably engaged with the fixed shaft (832), the push plate (85) and the connecting block (86) are installed in the installation groove (811), and the first electric cylinder (84) is fixedly arranged at a bottom end of the outer frame (81).

7. The fire-fighting exhaust safety channel structure for house buildings according to claim 1, wherein the normally closed door device (9) comprises an inner frame (91), the inner frame (91) is fixedly arranged in the rectangular groove (14), the inner frame (91) is arranged inside the outer frame (81), a closing plate (96) is rotatably connected to the bottom end of the inner frame (91), second convex chutes (961) are formed in two sides of the closing plate (96), first convex chutes (92) are symmetrically formed in the surface of the inner frame (91), convex guide blocks (94) are slidably clamped in the first convex chutes (92), second chutes (941) are formed in the surface of the convex guide blocks (94), one end of a sliding shaft (95) is slidably clamped in the second convex chute (961) at the other end of the sliding shaft (95), and second electric cylinders (93) are fixedly arranged on the side surfaces of the inner frame (91), second electricity jar (93) piston rod is fixed to be equipped with stopper (932), fixed block (97) of being equipped with in convex guide block (94) side, third spout (971) have been seted up on fixed block (97) surface, stopper (932) sliding joint is in third spout (971).

8. The building construction fire-fighting exhaust safety channel structure according to claim 7, wherein the inner frame (91) is symmetrically and fixedly provided with rotating blocks (911) inside, the rotating blocks (911) are rotatably connected with two sides of the sealing plate (96), the bottom end of the second electric cylinder (93) is fixedly provided with a fixed seat (931), and the fixed seat (931) is fixedly connected with the side surface of the inner frame (91).

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