CN212962014U

CN212962014U - Fire control ventilation blower that discharges fume

Info

Publication number: CN212962014U
Application number: CN202021908847.7U
Authority: CN
Inventors: 肖志祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-13
Anticipated expiration: 2030-09-04

Abstract

The utility model relates to a fire-fighting equipment technical field just discloses a fire control ventilation blower that discharges fume, including outer casing, the bottom fixed mounting of outer casing has the base. This fire control ventilation blower that discharges fume, the motor that will exhaust changes the peripheral hardware in the cost utility model from traditional built-in design, and utilize power axostylus axostyle drive power gear to drive two drive gear high-speed rotatoryly, make exhaust fan blade high-speed rotation then, smoke to the fire scene is sucked and is discharged, the inside resistance factor of outer casing has been reduced by a wide margin, make the fume emission more smooth and easy, thereby promote smoke exhaust efficiency, furthermore, auxiliary axostylus axostyle and auxiliary gear have still been set up specially, let a power gear, two drive gear and an auxiliary gear form a closed meshing circle, the meshing degree has been reinforceed, reduce the risk of gear smooth silk, furthermore, adopt the double fan design, two exhaust fan blades at the internally mounted of same outer casing, make wind-force bigger, let smoke exhaust efficiency further promote.

Description

Fire control ventilation blower that discharges fume

Technical Field

The utility model relates to a fire-fighting equipment technical field specifically is a fire control ventilation blower that discharges fume.

Background

Along with the rapid development of economy in China, various buildings emerge endlessly, and the population living density under the development of urbanization is increased day by day, so that the fire rescue difficulty is increased while the fire accident rate is increased, when a fireman rescues a fire, smoke needs to be discharged by using a smoke exhaust fan, the smoke exhaust fan is a machine which can rapidly exhaust peculiar smell, high temperature and soot gas generated during burning of articles, the machine is characterized by good high temperature resistance and high efficiency, the types of the fans are a centrifugal fan, an axial flow fan, a centrifugal fan and axial flow wind, the machine suitable for small and large is selected according to the space size and the arrangement condition of the smoke exhaust hood, however, the existing fire-fighting smoke exhaust ventilator has larger motor volume, can occupy a large amount of spaces in equipment, lead to at the in-process of discharging fume, the flue gas can be blockked by the motor, leads to smoke exhaust efficiency not high, for this the utility model provides a fire control ventilation blower of discharging fume.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fire control ventilation blower that discharges fume possesses the exhaust fume efficiently, is convenient for wash the grade advantage, has solved the problem that existing equipment exists.

(II) technical scheme

For realizing above-mentioned exhaust fume efficient, the abluent mesh of being convenient for, the utility model provides a following technical scheme: a fire-fighting smoke-discharging ventilator comprises an outer machine shell, wherein a base is fixedly installed at the bottom of the outer machine shell, an air inlet expanding cylinder is fixedly installed at the left side of the outer machine shell, a filter screen is fixedly installed on the inner wall of the air inlet expanding cylinder, a motor protective shell is fixedly installed at the top of the outer machine shell, an air-discharging motor is fixedly installed inside the motor protective shell, a power shaft lever extending into the outer machine shell is fixedly installed at the bottom of an output shaft of the air-discharging motor, a power gear is fixedly installed at the bottom of the power shaft lever, two fixing levers are fixedly installed on the inner wall of the outer machine shell, fixing sleeves are fixedly installed at the middles of the two fixing levers, air-discharging shaft levers are movably installed inside the two fixing sleeves, a fan exhaust fan blade is fixedly installed at one end, opposite, an auxiliary shaft lever is fixedly installed on the inner bottom wall of the outer shell, and an auxiliary gear is fixedly installed at the top of the auxiliary shaft lever.

Preferably, the outer casing is made of aluminum alloy, the outer casing is cylindrical, a power shaft hole corresponding to the power shaft rod is formed in the top wall of the outer casing, and a connecting plate is fixedly mounted on the right side of the outer casing.

Preferably, the shape of the air inlet expanding cylinder is a circular truncated cone, the diameter of the air inlet expanding cylinder is ten centimeters larger than that of the outer shell, and the filter screen is made of stainless steel.

Preferably, the motor protective housing is made of aluminum alloy, heat dissipation holes are formed in the top wall of the motor protective housing, and the back face and the front face of the motor protective housing are fixedly provided with the hand-held rings.

Preferably, both ends of the fixed rod are respectively fixedly connected with the inner fixed wall and the inner bottom wall of the outer casing, the fixed sleeve is positioned in the middle of the fixed rod and is rotatably connected with the air exhaust shaft lever, the inner wall of the fixed sleeve is fixedly provided with a limiting ring, and the surface of the air exhaust shaft lever is positioned in the fixed sleeve and is provided with a limiting ring groove corresponding to the limiting ring.

Preferably, the auxiliary shaft lever is rotatably connected with the inner bottom wall of the outer casing, the power gear, the driving gear and the auxiliary gear are meshed with each other, the two exhaust fan blades are of the same type, the diameter of each exhaust fan blade is five centimeters smaller than the inner diameter of the outer casing, and a semi-closed shield with the diameter larger than that of the driving gear is fixedly mounted on the surface of the exhaust shaft lever on the left side and on the left side of the driving gear.

(III) advantageous effects

Compared with the prior art, the utility model provides a fire control ventilation blower that discharges fume possesses following beneficial effect:

the fire-fighting smoke-discharging ventilator changes the exhaust motor from the traditional built-in design to the external device in the utility model, and utilizes the power shaft lever to drive the power gear to drive the two driving gears to rotate at high speed, so that the exhaust fan blades rotate at high speed to suck and discharge smoke in a fire scene, thereby greatly reducing the resistance factor in the outer shell, ensuring the smoke discharge to be smoother, thereby improving the smoke-discharging efficiency, in addition, an auxiliary shaft lever and an auxiliary gear are specially arranged, one power gear, two driving gears and one auxiliary gear form a closed meshing ring, the meshing degree is strengthened, the risk of gear sliding is reduced, in addition, the double-fan design is adopted, two exhaust fan blades are arranged in the same outer shell, the wind power is larger, the smoke-discharging efficiency is further improved, and the air inlet expanding cylinder is arranged on the left side of the outer shell to increase the contact area of the inlet end of the outer shell, the smoke can enter the outer shell more easily, and meanwhile, the motor is arranged externally, so that the interior of the outer shell is not afraid of water and is easier to clean.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the air inlet expansion device comprises an outer machine shell 1, a base 2, an air inlet expansion cylinder 3, a filter screen 4, a motor protection shell 5, an air exhaust motor 6, a power shaft lever 7, a power gear 8, a fixing rod 9, a fixing sleeve 10, an air exhaust shaft lever 11, fan blades 12, a driving gear 13, an auxiliary shaft lever 14 and an auxiliary gear 15.

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, a fire-fighting smoke-discharging ventilator comprises an outer casing 1, a base 2 is fixedly installed at the bottom of the outer casing 1, an air inlet expanding cylinder 3 is fixedly installed at the left side of the outer casing 1, a filter screen 4 is fixedly installed on the inner wall of the air inlet expanding cylinder 3, the air inlet expanding cylinder 3 is in a round table shape, the diameter of the air inlet expanding cylinder 3 is ten centimeters larger than that of the outer casing 1, the filter screen 4 is made of stainless steel, a motor protection shell 5 is fixedly installed at the top of the outer casing 1, the motor protection shell 5 is made of aluminum alloy, heat dissipation holes are formed in the top wall of the motor protection shell 5, hand-held rings are fixedly installed on the back and the front of the motor protection shell 5, an air exhaust motor 6 is fixedly installed inside the motor protection shell 5, a power 7 extending into the outer casing 1 is fixedly installed at the bottom of an output shaft of the air exhaust motor 6, the top wall of the outer casing 1 is provided with a power shaft hole corresponding to the power shaft lever 7, the right side of the outer casing 1 is fixedly provided with a connecting plate, the bottom of the power shaft lever 7 is fixedly provided with a power gear 8, the inner wall of the outer casing 1 is fixedly provided with two fixing levers 9, the middle parts of the two fixing levers 9 are fixedly provided with fixing sleeves 10, the inner parts of the two fixing sleeves 10 are movably provided with air exhaust shaft levers 11, the two ends of the fixing levers 9 are respectively fixedly connected with the inner fixed wall and the inner bottom wall of the outer casing 1, the fixing sleeves 10 are positioned in the middle parts of the fixing levers 9, the fixing sleeves 10 are rotatably connected with the air exhaust shaft levers 11, the inner walls of the fixing sleeves 10 are fixedly provided with limiting rings, the surface of the air exhaust shaft levers 11 and the inner parts of the fixing sleeves 10 are provided with limiting ring grooves corresponding to the limiting rings, one end of, the inner bottom wall fixed mounting of outer casing 1 has auxiliary shaft lever 14, auxiliary shaft lever 14's top fixed mounting has auxiliary gear 15, auxiliary shaft lever 14 rotates with the inner bottom wall of outer casing 1 to be connected, power gear 8, drive gear 13 and auxiliary gear 15 intermeshing, two models of arranging fan leaf 12 are the same, row fan leaf 12's diameter is five centimetres less than the inner diameter of outer casing 1, the left side is arranged air exhausting shaft lever 11's surface and is located the left side fixed mounting of drive gear 13 and is had the semi-closed guard shield that the diameter is greater than drive gear 13 diameter.

To sum up, the fire-fighting smoke-discharging ventilator changes the exhaust motor 6 from the traditional built-in design to the external device in the utility model, and utilizes the power shaft lever 7 to drive the power gear 8 to drive the two driving gears 13 to rotate at high speed, so that the exhaust fan blades 12 rotate at high speed, and the smoke in the fire scene is sucked and discharged, thereby greatly reducing the resistance factor in the outer casing 1, and the smoke discharge is smoother, thereby improving the smoke-discharging efficiency, in addition, the auxiliary shaft lever 14 and the auxiliary gear 15 are specially arranged, so that one power gear 8, the two driving gears 13 and one auxiliary gear 15 form a closed meshing ring, the meshing degree is strengthened, the risk of gear slippery is reduced, in addition, the double-fan design is adopted, the two exhaust fan blades 12 are arranged in the same outer casing 1, the wind power is larger, and the smoke-discharging efficiency is further improved, and the left side of the outer casing 1 is provided with the air inlet expansion cylinder 3, so that the contact area of the inlet end of the outer casing 1 is increased, smoke can enter the outer casing 1 more easily, and meanwhile, the motor is arranged externally, so that the inside of the outer casing 1 is not afraid of water, and the cleaning is easier.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 control ventilation blower that discharges fume, includes outer casing (1), its characterized in that: the air inlet expansion device is characterized in that a base (2) is fixedly installed at the bottom of the outer casing (1), an air inlet expansion cylinder (3) is fixedly installed on the left side of the outer casing (1), a filter screen (4) is fixedly installed on the inner wall of the air inlet expansion cylinder (3), a motor protection shell (5) is fixedly installed at the top of the outer casing (1), an air exhaust motor (6) is fixedly installed inside the motor protection shell (5), a power shaft lever (7) extending into the outer casing (1) is fixedly installed at the bottom of an output shaft of the air exhaust motor (6), a power gear (8) is fixedly installed at the bottom of the power shaft lever (7), two fixing rods (9) are fixedly installed on the inner wall of the outer casing (1), fixing sleeves (10) are fixedly installed in the middles of the two fixing rods (9), and an air exhaust shaft lever (11) is, the exhaust fan is characterized in that exhaust fan blades (12) are fixedly mounted at the opposite ends of the two exhaust shaft levers (11), a driving gear (13) is fixedly mounted at the opposite end of the two exhaust shaft levers (11), an auxiliary shaft lever (14) is fixedly mounted on the inner bottom wall of the outer casing (1), and an auxiliary gear (15) is fixedly mounted at the top of the auxiliary shaft lever (14).

2. A fire protection smoke exhaust ventilator as claimed in claim 1 wherein: the outer casing (1) is made of aluminum alloy, the outer casing (1) is cylindrical, a power shaft hole corresponding to the power shaft lever (7) is formed in the top wall of the outer casing (1), and a connecting plate is fixedly mounted on the right side of the outer casing (1).

3. A fire protection smoke exhaust ventilator as claimed in claim 1 wherein: the shape of the air inlet expanding cylinder (3) is a circular truncated cone, the diameter of the air inlet expanding cylinder (3) is ten centimeters larger than that of the outer shell (1), and the filter screen (4) is made of stainless steel.

4. A fire protection smoke exhaust ventilator as claimed in claim 1 wherein: the material of motor protective housing (5) is the aluminum alloy, and the louvre has been seted up to the roof of motor protective housing (5), and the back and the front of motor protective housing (5) all fixed mounting have hand ring.

5. A fire protection smoke exhaust ventilator as claimed in claim 1 wherein: the both ends of dead lever (9) respectively with interior fixed wall and interior bottom wall fixed connection of outer casing (1), fixed sleeve (10) are located the middle part of dead lever (9), fixed sleeve (10) with exhaust axostylus axostyle (11) and rotate and be connected, the inner wall fixed mounting of fixed sleeve (10) has the spacing ring, the surface of the axostylus axostyle (11) of airing exhaust just is located the inside of fixed sleeve (10) and has seted up the spacing annular that corresponds with the spacing ring.

6. A fire protection smoke exhaust ventilator as claimed in claim 1 wherein: the auxiliary shaft lever (14) is rotatably connected with the inner bottom wall of the outer machine shell (1), the power gear (8), the driving gear (13) and the auxiliary gear (15) are meshed with each other, the types of the two exhaust fan blades (12) are the same, the diameter of each exhaust fan blade (12) is five centimeters smaller than the inner diameter of the outer machine shell (1), and a semi-closed shield with the diameter larger than that of the driving gear (13) is fixedly installed on the surface of the exhaust shaft lever (11) on the left side and on the left side of the driving gear (13).