CN216620137U - A kind of ventilation and smoke exhaust device for fire engineering - Google Patents

Abstract

The utility model provides a ventilation and smoke exhaust device for fire engineering, which comprises: the device comprises a case, a fan unit, a motor, a transmission unit and a spraying unit. The ventilation and smoke exhaust device for the fire engineering is divided into an upper fan bin and a lower water storage bin; a fan unit and a motor are installed in the fan bin, the motor drives the fan unit to rotate through a transmission unit to discharge smoke, and protective nets blocked by buckle units are installed at the left end and the right end of the fan bin; the water storage bin is internally provided with a spraying unit which extends upwards into the fan bin. When the ventilation and smoke exhaust device works, the spraying unit can extract accumulated water in the water storage bin and atomize the accumulated water into water mist which is then sprayed into the fan bin, the fan unit drives the water mist to cool the motor, and the motor is prevented from being damaged due to overhigh temperature. The ventilation and smoke exhaust device can normally work near a fire scene with higher temperature, and has good practicability.

Description

A kind of ventilation and smoke exhaust device for fire engineering

technical field

The utility model relates to the field of fire-fighting equipment, in particular to a ventilation and smoke-exhaust device for fire-fighting engineering.

Background technique

When a fire occurs in a building, it is necessary to use ventilation and smoke exhaust equipment to discharge the smoke in the building, so as to improve the escape probability of the disaster victims. At present, the commonly used ventilation and smoke exhaust equipment in buildings is a fire exhaust fan. Due to the high temperature at the fire site, the fire exhaust fan may damage the motor due to high temperature. Therefore, a ventilation and smoke exhaust device that can actively cool down is required.

Utility model content

In order to solve the above shortcomings of the prior art, the utility model proposes a ventilation and smoke exhaust device for fire protection engineering.

The technical scheme proposed by the utility model is: a ventilation and smoke exhaust device for fire protection engineering, comprising: a chassis, a fan unit, a motor, a transmission unit and a spray unit; the chassis is divided into upper and lower parts by an internal partition, and the lower half It is a hollow water storage bin, and the upper half is a fan bin with left and right openings; the fan unit is fixedly installed in the fan bin; the motor is fixed on the upper surface of the partition, and the motor drives the fan unit to rotate and exhaust air through the transmission unit; The top of the side opening is hinged with a protective net; the left and right edges of the upper surface of the partition are fixedly installed with snap units for blocking the protective net; a part of the spray unit is fixedly installed on the inner bottom surface of the water storage tank, and the other part passes through The upper surface of the water storage tank sprays and cools the motor.

The utility model is a ventilation and smoke exhaust device for fire protection engineering, which is divided into an upper fan compartment and a lower water storage compartment; a fan unit and a motor are installed in the fan compartment, and the motor drives the fan unit to rotate through the transmission unit to exhaust smoke. The left and right ends are provided with protective nets blocked by the snap-fit units; a spray unit is installed in the water storage compartment, and the spray unit extends upwards into the fan compartment. When the ventilation and smoke exhaust device is working, the spray unit can extract the accumulated water in the water storage tank, atomize the accumulated water into water mist and spray it into the fan chamber, and the fan unit will agitate the water mist to cool down the motor, so as to prevent the motor from being overheated due to excessive temperature. be damaged. The ventilation and smoke exhausting device can work normally near a fire field with a high temperature, and has good practicability. Specifically, a ventilation and smoke exhaust device for fire protection engineering of the present invention comprises: a chassis, a fan unit, a motor, a transmission unit and a spray unit. Among them, the chassis is made of metal and is divided into upper and lower parts by the internal metal partitions. The lower half is a hollow water storage tank for storing the accumulated water for cooling, and the upper half is a fan chamber with left and right openings, a water storage tank and a fan. The warehouses are rectangular in shape. The fan unit is fixedly installed in the fan compartment. During the working process of the fan unit, the smoke is sucked into the fan compartment through the opening on the right side of the fan compartment, and then blown out from the opening on the left side of the fan compartment. The motor is fixedly installed on the upper surface of the partition, and the motor drives the fan unit to rotate and exhaust air through the transmission unit. The tops of the openings on the left and right sides of the fan compartment are hinged with protective nets, and the protective nets can be rotated along the hinge points to open and close. Buckle units for blocking the protective net are fixedly installed on the left and right edges of the upper surface of the partition plate. After opening the buckle unit, the protective net can be turned to open, which is convenient for the staff to clean the motor and fan unit in the fan compartment. A part of the spraying unit used for conveying water is fixedly installed on the inner bottom surface of the water storage tank, and the other part used for making water mist passes through the upper surface of the water storage tank to spray and cool the motor.

Preferably, the fan unit is composed of a bracket, a bearing seat, a rotating shaft and a fan; the two brackets are respectively fixed between the front and rear side walls on the left and right sides of the fan compartment; the two bearing seats are respectively fixed and installed at the center of the upper surface of the two brackets ; The rotating shaft passes through the two bearing seats and is fixedly connected with the two bearing seats; the two fans are respectively fixed on the left and right ends of the rotating shaft, and the blowing direction of the fan faces the left side of the fan compartment.

Preferably, the transmission unit is composed of two pulleys and a transmission belt; one pulley is fixed to the middle of the rotating shaft, the other pulley is fixed to the end of the transmission shaft of the motor; the transmission belt is installed on the two pulleys.

Preferably, the spray unit is composed of a water pump, a water pipe and an atomizing nozzle; the water pump is fixedly installed on the right half of the inner bottom surface of the water storage bin; the atomizing nozzle is communicated with the water pump through a water pipe, and the atomizing nozzle passes through the partition plate and tilts to the left.

Preferably, the snap unit is composed of a baffle, a stopper and a spring; the baffle is fixed on the upper surface of the baffle on the inner side of the protective net; the spring and the baffle are located in the circular grooves opened at the edges of the left and right sides of the baffle , the bottom end of the spring is fixedly connected with the bottom surface of the circular groove, and the top end is fixedly connected with the bottom surface of the block; the upper half of the block is inclined to the inside of the fan compartment, exposing the upper surface of the baffle; A lever is fixed on the right side wall, and the lever is exposed to the right of the edge of the partition.

Preferably, a plurality of heat dissipation plates extending to the left and right ends of the fan compartment are fixed on the outside of the fan compartment.

Preferably, two universal wheels are fixedly installed on the left and right ends of the lower surface of the water storage tank, respectively.

Preferably, a water inlet pipe is fixed on the top of the left side wall of the water storage bin, and a water valve is fixed on the left end of the water inlet pipe.

The beneficial technical effects of the present utility model are:

The ventilation and smoke exhaust device for fire protection engineering provided by the utility model is divided into an upper fan compartment and a lower water storage compartment; a fan unit and a motor are installed in the fan compartment, and the motor drives the fan unit to rotate through the transmission unit to exhaust smoke. Both ends are provided with protective nets blocked by the snap-fit units; a spray unit is installed in the water storage compartment, and the spray unit extends upwards into the fan compartment. When the ventilation and smoke exhaust device is working, the spray unit can extract the accumulated water in the water storage tank, atomize the accumulated water into water mist and spray it into the fan chamber, and the fan unit will agitate the water mist to cool down the motor, so as to prevent the motor from being overheated due to excessive temperature. be damaged. The ventilation and smoke exhausting device can work normally near a fire field with a high temperature, and has good practicability.

Description of drawings

Accompanying drawing 1 is the side view sectional structure schematic diagram of the ventilation and smoke exhaust device for fire protection engineering in the utility model;

Accompanying drawing 2 is the side view structure schematic diagram of the ventilation and smoke exhaust device for fire protection engineering in the utility model;

FIG. 3 is an enlarged cross-sectional structural schematic diagram of part A in FIG. 1 .

In each drawing: 1, chassis, 2, partition, 3, water storage compartment, 4, fan compartment, 5, bracket, 6, bearing seat, 7, shaft, 8, fan, 9, motor, 10, pulley, 11, transmission belt, 12, water pump, 13, water pipe, 14, atomizing nozzle, 15, protective net, 16, snap unit, 17, water inlet pipe, 18, universal wheel, 19, cooling plate, 161, baffle , 162, block, 163, lever, 164, spring.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the following description, suffixes such as 'module', 'component' or 'unit' used to represent elements are used only to facilitate the description of the present invention and have no specific meaning per se. Thus, "module", "component" or "unit" may be used interchangeably.

As shown in Figure 1, a ventilation and smoke exhaust device for fire engineering includes: a chassis 1, a fan unit, a motor 9, a transmission unit and a spray unit; the chassis 1 is divided into upper and lower parts by an internal partition 2, and the lower half The upper part is a hollow water storage bin 3, and the upper part is a fan bin 4 with left and right openings; the fan unit is fixedly installed in the fan bin 4; the motor 9 is fixedly installed on the upper surface of the partition 2, and the motor drives the fan unit to rotate and exhaust through the transmission unit. The top of the left and right openings of the fan compartment 4 is hinged with a protective net 15; the left and right edges of the upper surface of the partition plate 2 are fixedly installed with snap units 16 for blocking the protective net; a part of the spray unit is fixedly installed in On the inner bottom surface of the water storage bin 3 , the other part penetrates out of the upper surface of the water storage bin 3 to spray and cool the motor 9 .

The utility model is a ventilation and smoke exhaust device for fire protection engineering, which is divided into an upper fan compartment and a lower water storage compartment; a fan unit and a motor are installed in the fan compartment, and the motor drives the fan unit to rotate through the transmission unit to exhaust smoke. The left and right ends are provided with protective nets blocked by the snap units; the spray unit is installed in the water storage bin, and the spray unit extends upward into the fan bin. When the ventilation and smoke exhaust device is working, the spray unit can extract the accumulated water in the water storage tank, and atomize the accumulated water into water mist and spray it into the fan chamber. damaged. The ventilation and smoke exhausting device can work normally near a fire field with a high temperature, and has good practicability. Specifically, as shown in FIG. 1, a ventilation and smoke exhaust device for fire protection engineering of the present invention includes: a chassis 1, a fan unit, a motor 9, a transmission unit and a spray unit. Among them, the chassis 1 is made of metal, and is divided into upper and lower parts by an internal metal partition 2, the lower half is a hollow water storage bin 3, which is used to store the accumulated water for cooling, and the upper half is a left and right open fan compartment 4 , the water storage bin 3 and the fan bin 4 are in the shape of a cuboid. The fan unit is fixedly installed in the fan compartment 4. During the working process of the fan unit, the smoke is sucked into the fan compartment 4 through the right opening of the fan compartment 4, and then blown out from the left opening of the fan compartment 4. The motor 9 is fixedly installed on the upper surface of the partition plate 2, and the motor 9 drives the fan unit to rotate and exhaust air through the transmission unit. A protective net 15 is hinged on the top of the openings on the left and right sides of the fan compartment 4 , and the protective net 15 can be opened and closed by rotating along the hinge point. Buckle units 16 for blocking the protective net 15 are fixedly installed on the left and right edges of the upper surface of the partition plate 2. After opening the buckle unit 16, the protective net 15 can be rotated and opened, which is convenient for the staff to check the motor in the fan compartment 4. 9 and the fan unit to be cleaned. A part of the spraying unit used for conveying water is fixedly installed on the inner bottom surface of the water storage bin 3 , and the other part used for producing water mist passes through the upper surface of the water storage bin 3 to spray and cool the motor 9 .

In at least one embodiment, as shown in FIG. 1 , the fan unit is composed of a bracket 5 , a bearing seat 6 , a rotating shaft 7 and a fan 8 ; between; two bearing seats 6 are fixedly installed at the center of the upper surface of the two brackets 5 respectively; the rotating shaft 7 passes through the two bearing seats 6 and is fixedly connected with the two bearing seats 6, and the rotating shaft 7 can rotate in the bearing seat 6 . The two fans 8 are respectively fixed on the left and right ends of the rotating shaft 7 , and the blowing direction of the fans 8 faces the left side of the fan housing 4 .

In at least one embodiment, as shown in FIG. 1 , the transmission unit consists of two pulleys 10 and a transmission belt 11 ; one pulley 10 is fixed to the middle of the rotating shaft 7 , and the other pulley is fixed to the end of the transmission shaft of the motor 9 . ; The drive belt 11 is installed on the two pulleys 10, and the motor 9 can drive the shaft 7 to rotate through the pulley 10 and the drive belt 11.

In at least one embodiment, as shown in FIG. 1 , the spray unit is composed of a water pump 12 , a water pipe 13 and an atomizing nozzle 14 . The water pump 12 is fixedly installed on the right half of the inner bottom surface of the water storage bin 3; the atomizing nozzle 14 is communicated with the water pump 12 through the water pipe 13, and the atomizing nozzle 14 passes through the partition 2 and tilts to the left, so that the water mist is directed towards the motor 9 squirting.

In at least one embodiment, as shown in FIG. 3 , the buckle unit 16 is composed of a baffle plate 161 , a stopper block 162 and a spring 164 . The baffle plate 161 is a cuboid metal block, and is fixed on the upper surface of the partition plate 2 inside the protective net 15 to prevent the protective net 15 from rotating toward the inside of the fan compartment 4 . The edges of the left and right sides of the partition plate 2 are provided with circular grooves, and the side walls of the circular grooves are provided with rectangular openings extending to the edges of the partition plate. Both the spring 164 and the stopper 162 are located in the circular grooves opened on the left and right edges of the partition plate 2 . The upper half of the stopper 162 is in the shape of an inclined surface inclined toward the inside of the fan housing 4 , exposing the upper surface of the partition plate 2 . A lever 163 is fixed on the right side wall of the blocking block 162 , and the lever 163 exposes the edge of the partition 2 to the right. When the protective net 15 needs to be opened, the lever 163 is pressed down to drive the stopper 162 to move downward, and the protective net 15 can be opened by turning upward.

In at least one embodiment, as shown in FIG. 2 , a plurality of cooling plates 19 extending to the left and right ends of the fan box 4 are fixed on the outside of the fan box 4 . Cooling speed.

In at least one embodiment, as shown in FIG. 1 , two universal wheels 18 are fixedly installed on the left and right ends of the lower surface of the water storage bin 3 respectively, so as to facilitate the movement of the ventilation and smoke exhaust device.

In at least one embodiment, as shown in FIG. 1 , a water inlet pipe 17 is fixed on the top of the left side wall of the water storage bin 3, and a water valve is fixedly installed on the left end of the water inlet pipe 17. When finished, close the water valve to prevent water from spilling out.

Obviously, the ventilation and smoke exhaust device for fire protection engineering provided by the utility model is divided into an upper fan compartment and a lower water storage compartment; a fan unit and a motor are installed in the fan compartment, and the motor drives the fan unit to rotate through the transmission unit to exhaust smoke, and the fan compartment The left and right ends of the fan are installed with protective nets blocked by the snap unit; a spray unit is installed in the water storage compartment, and the spray unit extends upward into the fan compartment. When the ventilation and smoke exhaust device is working, the spray unit can extract the accumulated water in the water storage tank, atomize the accumulated water into water mist and spray it into the fan chamber, and the fan unit will agitate the water mist to cool down the motor, so as to prevent the motor from being overheated due to excessive temperature. be damaged. The ventilation and smoke exhausting device can work normally near a fire field with a high temperature, and has good practicability.

The above are the preferred embodiments of the present invention, it should be understood that those skilled in the art can obtain relevant technical solutions through logical analysis, reasoning or experiments on the basis of the prior art according to the concept of the present invention without creative work, Therefore, these related technical solutions should all fall within the protection scope of the present claims.

Claims (8)

1. The utility model provides a fire engineering is with ventilation fume extractor which characterized in that includes: the device comprises a case (1), a fan unit, a motor (9), a transmission unit and a spraying unit; the case (1) is divided into an upper part and a lower part by an internal clapboard (2), the lower part is a hollow water storage bin (3), and the upper part is a fan bin (4) with a left opening and a right opening; the fan unit is fixedly arranged in the fan bin (4); the motor (9) is fixedly arranged on the upper surface of the partition plate (2), and the motor (9) drives the fan unit to rotate for exhausting air through the transmission unit; the top parts of the openings at the left side and the right side of the fan bin (4) are hinged with protective nets (15); the left and right side edges of the upper surface of the partition board (2) are fixedly provided with buckle units (16) for blocking the protective net (15); one part of the spraying unit is fixedly arranged on the inner bottom surface of the water storage bin (3), and the other part penetrates out of the upper surface of the water storage bin (3) to spray and cool the motor (9).

2. The ventilation and smoke exhaust device for fire fighting project according to claim 1, wherein the fan unit is composed of a bracket (5), a bearing seat (6), a rotating shaft (7) and a fan (8); the two brackets (5) are respectively fixed between the front side wall and the rear side wall of the left side and the right side of the fan bin (4); the two bearing blocks (6) are respectively and fixedly arranged at the centers of the upper surfaces of the two brackets (5); the rotating shaft (7) penetrates through the two bearing seats (6) and is fixedly connected with the two bearing seats (6); the two fans (8) are respectively fixed at the left end and the right end of the rotating shaft (7), and the blowing direction of the fans (8) faces to the left side of the fan bin (4).

3. The ventilation and smoke exhaust device for fire fighting project according to claim 2, characterized in that the transmission unit is composed of two pulleys (10) and a transmission belt (11); one belt wheel (10) is fixed in the middle of the rotating shaft (7), and the other belt wheel is fixed at the tail end of a transmission shaft of the motor (9); the transmission belt (11) is arranged on the two belt wheels (10).

4. The ventilation and smoke exhaust device for fire fighting project according to claim 3, characterized in that the spraying unit is composed of a water pump (12), a water pipe (13) and an atomizing nozzle (14); the water pump (12) is fixedly arranged on the right half part of the inner bottom surface of the water storage bin (3); the atomizing nozzle (14) is communicated with the water pump (12) through a water pipe (13), and the atomizing nozzle (14) penetrates through the partition plate (2) and inclines leftwards.

5. The ventilation and smoke evacuation apparatus for fire fighting project according to claim 4, characterized in that the snap unit (16) is composed of a damper (161), a stopper (162), and a spring (164); the baffle (161) is fixed on the upper surface of the clapboard (2) at the inner side of the protective net (15); the spring (164) and the stop block (162) are both positioned in circular grooves formed in the edges of the left side and the right side of the partition plate (2), the bottom end of the spring (164) is fixedly connected with the bottom surface of the circular groove, and the top end of the spring is fixedly connected with the bottom surface of the stop block (162); the upper half part of the stop block (162) is in an inclined plane shape inclined towards the interior of the fan bin (4), and the upper surface of the partition plate (2) is exposed; a shifting lever (163) is fixed on the right side wall of the stop block (162), and the shifting lever (163) is exposed rightwards out of the edge of the partition plate (2).

6. The ventilation and smoke exhaust device for fire fighting engineering according to claim 5, wherein a plurality of heat dissipation plates (19) extending to the left and right ends of the fan housing (4) are fixed to the outside of the fan housing (4).

7. The ventilation and smoke exhaust device for the fire engineering according to claim 6, wherein two universal wheels (18) are fixedly installed at the left and right ends of the lower surface of the water storage bin (3), respectively.

8. The ventilation and smoke exhaust device for the fire engineering as claimed in claim 7, wherein the water inlet pipe (17) is fixed on the top of the left side wall of the water storage bin (3), and the water valve is fixedly installed on the left end of the water inlet pipe (17).

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