CN112618987A - Fire protection device for fire escape - Google Patents
Fire protection device for fire escape Download PDFInfo
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- CN112618987A CN112618987A CN202110035414.8A CN202110035414A CN112618987A CN 112618987 A CN112618987 A CN 112618987A CN 202110035414 A CN202110035414 A CN 202110035414A CN 112618987 A CN112618987 A CN 112618987A
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- cavity
- transmission
- wall
- heat insulation
- rod
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B31/00—Containers or portable cabins for affording breathing protection with devices for reconditioning the breathing air or for ventilating, in particular those that are suitable for invalids or small children
Abstract
The invention discloses a fire protection device for fire escape, which comprises a heat insulation box body, wherein a transmission cavity with a one-way through hole is formed in the inner wall of the left side of the heat insulation box body.
Description
Technical Field
The invention relates to the field of fire protection, in particular to a fire protection device for fire escape.
Background
In the social life, a fire disaster becomes a multiple disaster threatening public safety and endangering the life of people, when the fire disaster occurs, people can be rescued by good psychological quality and fire-fighting consciousness, when people do not rush out of a fire scene in the first time, or people can break away from the fire disaster without any method, the people should search equipment or a small space capable of protecting the people, but hide in a safe small space, the physical function of the people can be affected by high temperature or a body metabolic system of the people to cause the damage of the people, and the fire protection device for fire escape can solve the problems.
Disclosure of Invention
In order to solve the problems, the embodiment designs a fire protection device for fire escape, which comprises a heat insulation box body, wherein a transmission cavity with a one-way through hole is formed in the inner wall of the left side of the heat insulation box body, an exhaust ventilation device is arranged in the transmission cavity, the exhaust ventilation device comprises a transmission rod which is rotatably arranged on the extending wall of the inner wall of the lower side of the transmission cavity, a cam is fixedly arranged on the transmission rod, a rotating shaft is rotatably arranged on the inner wall of the left side of the transmission cavity, a cylindrical gear is fixedly arranged on the rotating shaft, a push rod which is in sliding connection with the inner wall of the transmission cavity is arranged on the upper side of the rotating shaft, a vertical rack which is in meshing connection with the cylindrical gear is fixedly arranged on the push rod, a connecting shaft is rotatably arranged on the vertical rack, and a roller which is in butt connection with the cam, the upper side inner wall of the transmission cavity is provided with a moving rod in a sliding manner, the moving rod is connected with the heat insulation box body through an extension spring, five triangular blocks related to a moving rod path array are fixedly arranged on the moving rod, a fixed block fixedly connected with a rotating shaft is arranged on the right side of the cylindrical gear, twelve U-shaped cavities related to a fixed block annular array are fixedly arranged on the fixed block, sliding blocks connected with the triangular blocks in an abutting manner are arranged on the U-shaped cavities in a sliding manner, the sliding blocks are connected with the U-shaped cavities through reset springs, the push rod is connected with the rollers in an abutting manner to achieve air flow circulation, a heat insulation cavity is arranged on the upper side of the transmission cavity, a moisture supplementing device is arranged between the heat insulation cavity and the transmission cavity, a sealing device is arranged on the upper side of the heat insulation cavity and comprises a sealing device fixedly connected with the inner wall on the left side of the transmission cavity and related to Two backup pads of back symmetry, the fixed spacing groove that is equipped with in the backup pad, it is equipped with the slide bar to slide on the spacing groove, the slide bar right side be equipped with spacing groove sliding connection's removal axle, remove the axle with the slide bar is fixed jointly is equipped with a connecting block, two the connecting block is fixed jointly and is equipped with a closing plate, the rear side rotate in the backup pad be equipped with extend to the axis of rotation in the thermal-insulated chamber outside, the fixed dwang that is located in the thermal-insulated intracavity that is equipped with in the axis of rotation, the dwang with it is articulated through the hinge bar between the removal axle, the closing plate can realize the seal work completely when horizontal putting state.
Wherein, the side inner wall of transmission chamber upside slides and is equipped with and extends to the sliding shaft of thermal-insulated intracavity, the fixed being equipped with on the sliding shaft is located the bearing plate of thermal-insulated intracavity, the bearing plate with connect through compression spring between the thermal-insulated chamber downside inner wall, the bearing plate can support one person normal weight.
The moisture supplementing device comprises an evaporation cavity fixedly connected with the upper inner wall of a transmission cavity and communicated with the heat insulation cavity, a one-way valve is fixedly arranged at the communicated part of the heat insulation cavity, a liquefaction cavity communicated with the evaporation cavity and communicated with the heat insulation cavity is fixedly arranged on the inner wall of the rear side of the heat insulation cavity, a low-temperature plate is fixedly arranged on the inner wall of the upper side of the liquefaction cavity, a motor positioned in the transmission cavity is fixedly arranged on the lower side of a sliding shaft, an output shaft is arranged on the lower side of the motor, a sintered gear is fixedly arranged on the output shaft, a casting bevel gear fixedly connected with the output shaft is arranged on the lower side of the sintered gear, a transmission shaft rotatably connected with the inner wall of the lower side of the transmission cavity is arranged on the rear side of the sintered gear, a forged gear meshed with the sintered gear is fixedly arranged on the transmission shaft, and a friction plate fixedly connected with the transmission shaft and rubbed with the end face of.
Wherein, the exhaust ventilation device comprises a transmission rod which is rotationally connected with an extending wall of the lower side inner wall of the transmission cavity, a sintering bevel gear which can be engaged and connected with the casting bevel gear is fixedly arranged on the transmission rod, a forging bevel gear which can be engaged and connected with the casting bevel gear is fixedly arranged on the transmission rod, a rotating rod which is rotationally connected with the left side inner wall of the transmission cavity and extends into the heat insulation cavity is arranged on the upper side of the transmission rod, a fan which is positioned in the heat insulation cavity is fixedly arranged on the rotating rod, the rotating rod is connected with the transmission rod through belt transmission, an exchange box body which is fixedly connected with the right side inner wall of the heat insulation cavity and extends to the outer side of the heat insulation cavity is arranged on the upper side of the fan, an exchange cavity with a through hole arranged on the upper and lower inner walls is arranged in the exchange box body, an L-shaped cavity which can be communicated with the heat insulation cavity is fixedly arranged on the moving block, and a filter block fixedly connected with the inner wall of the exchange cavity is arranged on the right side of the moving block.
The sealing device comprises a rotating plate which is positioned outside the heat insulation cavity and fixedly connected with the rotating shaft, and a knob which is fixedly connected with the rotating shaft is arranged on the rear side of the rotating rod.
The invention has the beneficial effects that: the invention is used for fire disaster, the escaper can not rush out of the fire scene at the first time, the escaper can only use the equipment to protect the safety of the escaper, the link mechanism is used to realize the sealing of the space, the smoke is prevented from spreading in the equipment, in addition, the high temperature generated by friction is used to evaporate the sweat flowing down by the escaper, the water vapor forms water drops through liquefaction, the moisture required by the escaper is provided in time, the damage of the high temperature of the fire disaster to the physiological function of the escaper is reduced to the great extent, the equipment has simple structure and powerful function, and has good market prospect.
Drawings
In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is a schematic diagram of B-B of FIG. 1;
FIG. 4 is a schematic diagram of the structure of C-C in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at D in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The fire protection device for fire escape comprises a heat insulation box body 11, a transmission cavity 12 with a one-way through hole is formed in the inner wall of the left side of the heat insulation box body 11, an exhaust ventilation device 901 is arranged in the transmission cavity 12, the exhaust ventilation device 901 comprises a transmission rod 51 which is rotatably arranged on the extending wall of the inner wall of the lower side of the transmission cavity 12, a cam 53 is fixedly arranged on the transmission rod 51, a rotating shaft 14 is rotatably arranged on the inner wall of the left side of the transmission cavity 12, a cylindrical gear 13 is fixedly arranged on the rotating shaft 14, a push rod 16 which is slidably connected with the inner wall of the transmission cavity 12 is arranged on the upper side of the rotating shaft 14, a vertical rack 15 which is meshed and connected with the cylindrical gear 13 is fixedly arranged on the push rod 16, a connecting shaft 55 is rotatably arranged on the vertical rack 15, and a roller 54 which is connected with the cam 53, the inner wall of the upper side of the transmission cavity 12 is provided with a moving rod 18 in a sliding manner, the moving rod 18 is connected with the heat insulation box body 11 through an extension spring 19, five triangular blocks 56 related to a path array of the moving rod 18 are fixedly arranged on the moving rod 18, a fixed block 60 fixedly connected with the rotating shaft 14 is arranged on the right side of the cylindrical gear 13, twelve U-shaped cavities 59 related to an annular array of the fixed block 60 are fixedly arranged on the fixed block 60, sliding blocks 57 connected with the triangular blocks 56 in an abutting manner are slidably arranged on the U-shaped cavities 59, the sliding blocks 57 are connected with the U-shaped cavities 59 through return springs 58, the push rod 16 realizes the circulation work of air flow according to the abutting connection between the cam 53 and the roller 54, the upper side of the transmission cavity 12 is provided with a heat insulation cavity 43, and a moisture supplementing device 902 is arranged between the heat insulation cavity 43 and the transmission cavity, a sealing device 903 is arranged at the inner upper side of the heat insulation cavity 43, the sealing device 903 comprises two support plates 20 which are fixedly connected with the inner wall of the left side of the transmission cavity 12 and are symmetrical back and forth relative to the symmetry axis of the inner wall of the left side of the transmission cavity 12, a limiting groove 61 is fixedly arranged on the supporting plate 20, a sliding rod 25 is arranged on the limiting groove 61 in a sliding manner, a moving shaft 24 which is connected with the limiting groove 61 in a sliding way is arranged on the right side of the sliding rod 25, a connecting block 26 is fixedly arranged on the moving shaft 24 and the sliding rod 25 together, a closing plate 27 is fixedly arranged on the two connecting blocks 26 together, a rotating shaft 21 which extends to the outer side of the heat insulation cavity 43 is rotatably arranged on the supporting plate 20 on the rear side, the fixed dwang 22 that is located in thermal-insulated chamber 43 that is equipped with on the axis of rotation 21, dwang 22 with it is articulated through hinge bar 23 between the removal axle 24, can realize totally closed work when the shut plate 27 becomes horizontal putting state.
Advantageously, the upper inner wall of the transmission cavity 12 is slidably provided with a sliding shaft 33 extending into the heat insulation cavity 43, the sliding shaft 33 is fixedly provided with a bearing plate 28 positioned in the heat insulation cavity 43, the bearing plate 28 is connected with the lower inner wall of the heat insulation cavity 43 through a compression spring 32, and the bearing plate 28 can support the normal weight of a person.
According to the embodiment, the moisture supplementing device 902 will be described in detail below, the moisture supplementing device 902 includes an evaporation chamber 31 fixedly connected to the upper inner wall of the transmission chamber 12 and communicated with the heat insulation chamber 43, a one-way valve 29 is fixedly disposed at a position where the evaporation chamber 31 is communicated with the heat insulation chamber 43, a liquefaction chamber 65 communicated with the evaporation chamber 31 and communicated with the heat insulation chamber 43 is fixedly disposed on the rear inner wall of the heat insulation chamber 43, a low temperature plate 64 is fixedly disposed on the upper inner wall of the liquefaction chamber 65, a motor 46 located in the transmission chamber 12 is fixedly disposed on the lower side of the sliding shaft 33, an output shaft 47 is disposed on the lower side of the motor 46, a sintered gear 48 is fixedly disposed on the output shaft 47, a cast bevel gear 50 fixedly connected to the output shaft 47 is disposed on the lower side of the sintered gear 48, a transmission shaft 67 rotatably connected to the lower inner wall of the transmission chamber 12 is disposed on the rear side of, the transmission shaft 67 is fixedly provided with a forged gear 66 engaged with the sintered gear 48, the upper side of the forged gear 66 is provided with a friction plate 68 fixedly connected with the transmission shaft 67 and rubbed with the lower side end face of the evaporation cavity 31, and the friction plate 68 is engaged with the forged gear 66 according to the sintered gear 48 to realize the friction with the lower side end face of the evaporation cavity 31 to generate high temperature so as to evaporate water in the evaporation cavity 31.
According to the embodiment, the exhaust ventilation device 901 will be described in detail below, the exhaust ventilation device 901 comprises a transmission rod 44 rotatably connected to the lower inner wall extension wall of the transmission cavity 12, a sintered bevel gear 52 capable of being engaged with the cast bevel gear 50 is fixedly arranged on the transmission rod 44, a forged bevel gear 49 capable of being engaged with the cast bevel gear 50 is fixedly arranged on the transmission rod 51, a rotating rod 42 rotatably connected to the left inner wall of the transmission cavity 12 and extending into the heat insulation cavity 43 is arranged on the upper side of the transmission rod 44, a fan 41 positioned in the heat insulation cavity 43 is fixedly arranged on the rotating rod 42, the rotating rod 42 is connected to the transmission rod 44 through a belt transmission, a switch box 34 fixedly connected to the right inner wall of the heat insulation cavity 43 and extending outside the heat insulation cavity 43 is arranged on the upper side of the fan 41, an exchange cavity 35 with through holes formed in the upper inner wall and the lower inner wall is arranged in the exchange box body 34, a moving block 37 extending into the heat insulation cavity 43 is arranged on the inner wall of the left side of the exchange cavity 35 in a sliding mode, an L-shaped cavity 38 capable of being communicated with the heat insulation cavity 43 is fixedly arranged on the moving block 37, a filter block 39 fixedly connected with the inner wall of the exchange cavity 35 is arranged on the right side of the moving block 37, and the moving block 37 moves according to the change of air pressure in the heat insulation cavity 43 to achieve the work of balancing with the external air pressure.
According to an embodiment, the closing device 903 is described in detail below, the closing device 903 includes a rotating plate 63 located outside the heat insulating cavity 43 and fixedly connected to the rotating shaft 21, a knob 62 fixedly connected to the rotating shaft 21 is provided at the rear side of the rotating lever 22, and the closing plate 27 performs a closing operation according to the rotation of the rotating plate 63.
The following will describe in detail the use steps of a fire protection device for fire escape in the present text with reference to fig. 1 to 5:
initially, the closing plate 27 is horizontal and closes the insulating chamber 43, the bearing plate 28 is empty of any material, the motor 46 stops working, the cast bevel gear 50 is not engaged with the forged bevel gear 49, the cast bevel gear 50 is not engaged with the sintered bevel gear 52, and the travel bar 18 blocks the passage between the insulating chamber 43 and the transmission chamber 12.
When people escape from a fire, the rotating plate 63 is manually rotated, the rotating plate 63 rotates to drive the rotating shaft 21 to rotate, the rotating shaft 21 rotates to drive the rotating rod 22 to rotate clockwise, the rotating rod 22 rotates clockwise to drive the connecting block 26 to move upwards through the hinge rod 23, the connecting block 26 moves upwards to drive the closing plate 27 to move upwards, the hinge rod 23 rotates to drive the moving shaft 24 to slide in the limiting groove 61, when the sliding rod 25 moves upwards to the topmost position of the limiting groove 61, then, the rotating rod 42 of the moving shaft 2 rotates anticlockwise and slides around the sliding rod 25 in the limiting groove 61, so that the closing plate 27 finally becomes an inclined state, people hide in the heat insulation cavity 43 and stand on the bearing plate 28, the knob 62 is manually rotated reversely to reset the closing plate 27, the heat insulation cavity 43 is completely closed, the bearing plate 28 moves downwards due to the weight of the escapers, the bearing plate 28 moves downwards to drive the sliding shaft 33 to move downwards, the sliding shaft 33 moves downwards to drive the motor 46 to move downwards, the motor 46 moves downwards to drive the output shaft 47 to move downwards, the output shaft 47 moves downwards to drive the sintering gear 48 to move downwards, the sintering gear 48 moves downwards to be meshed with the forging gear 66, the output shaft 47 moves downwards to drive the casting bevel gear 50 to move downwards, the casting bevel gear 50 moves downwards to be meshed with the forging bevel gear 49, the casting bevel gear 50 moves downwards to be meshed with the sintering bevel gear 52, the motor 46 is started, the motor 46 works to drive the output shaft 47 to rotate, the output shaft 47 rotates to drive the sintering gear 48 to rotate, the output shaft 47 also rotates to drive the casting bevel gear 50 to rotate, the casting bevel gear 50 rotates to drive the forging bevel gear 49 to rotate, the casting bevel gear 50 also rotates to drive the sintering bevel gear 52 to rotate, the sintering bevel gear 52 rotates to drive the, the fan 41 rotates to drive the gas in the heat insulation cavity 43 to flow, the forged bevel gear 49 rotates to drive the transmission rod 51 to rotate, the transmission rod 51 rotates to drive the cam 53 to rotate, the cam 53 rotates to drive the roller 54 to move up and down, the roller 54 moves up and down to drive the connecting shaft 55 to move up and down, the connecting shaft 55 moves up and down to drive the vertical rack 15 to move up and down, when the vertical rack 15 moves down, the push rod 16 moves down to suck the gas in the heat insulation cavity 43, the vertical rack 15 moves down to drive the cylindrical gear 13 to rotate clockwise when viewed from the left, the cylindrical gear 13 rotates clockwise to drive the rotating shaft 14 to rotate, the rotating shaft 14 rotates to drive the fixed block 60 to rotate counterclockwise when viewed from the right, the fixed block 60 rotates to drive the U-shaped cavity 59 to rotate, the sliding block 57 rotates to drive the triangular block, when the push rod 16 moves downwards, the moving rod 18 also moves downwards, when the triangular block 56 is not in abutting connection with the sliding block 57, the moving rod 18 is reset due to the elastic potential energy of the extension spring 19, when the triangular block 56 is not in abutting connection with the sliding block 57, the push rod 16 moves upwards according to the abutting connection between the roller 54 and the cam 53, the push rod 16 moves upwards to discharge the previously sucked gas through a channel on the left side, thus the repeated work realizes the gas exchange between the inside of the heat insulation cavity 43 and the outside, when the gas pressure in the heat insulation cavity 43 is not balanced with the outside gas pressure, the moving block 37 stops moving by itself, at the moment, an escaper can think that the moving block 37 realizes the balance of the inside and outside gas pressure, the escaper can generate heat stress symptoms due to temperature or emotion, sweat flows into the evaporation cavity 31, the sintering gear 48 rotates to drive the gear 66 to rotate, the forging gear 66 rotates to drive the, the transmission shaft 67 rotates to drive the friction plate 68 to rotate, the friction plate 68 rotates to rub with the end face of the lower side of the evaporation cavity 31, sweat in the evaporation cavity 31 is evaporated by high temperature generated by the friction, water vapor flows into the liquefaction cavity 65 through the evaporation cavity 31 and contacts with the low-temperature plate 64, the water vapor is subjected to liquefaction reaction, and at the moment, an escaper can drink the liquefied water vapor to supplement water in time, so that damage to physical functions is reduced.
The invention has the beneficial effects that: the invention is used for fire disaster, the escaper can not rush out of the fire scene at the first time, the escaper can only use the equipment to protect the safety of the escaper, the link mechanism is used to realize the sealing of the space, the smoke is prevented from spreading in the equipment, in addition, the high temperature generated by friction is used to evaporate the sweat flowing down by the escaper, the water vapor forms water drops through liquefaction, the moisture required by the escaper is provided in time, the damage of the high temperature of the fire disaster to the physiological function of the escaper is reduced to the great extent, the equipment has simple structure and powerful function, and has good market prospect.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a fire protection device for conflagration is fleed, includes thermal-insulated box, it sets up the transmission chamber that possesses one-way through-hole to be equipped with the left side inner wall in the thermal-insulated box, its characterized in that: the exhaust ventilation device is arranged in the transmission cavity and comprises a transmission rod which is rotatably arranged on an extending wall of the inner wall of the lower side of the transmission cavity, a cam is fixedly arranged on the transmission rod, a rotating shaft is rotatably arranged on the inner wall of the left side of the transmission cavity, a cylindrical gear is fixedly arranged on the rotating shaft, a push rod which is in sliding connection with the inner wall of the transmission cavity is arranged on the upper side of the rotating shaft, a vertical rack which is in meshing connection with the cylindrical gear is fixedly arranged on the push rod, a connecting shaft is rotatably arranged on the vertical rack, a roller which is connected with the cam in a propping manner is fixedly arranged on the connecting shaft, a moving rod is slidably arranged on the inner wall of the upper side of the transmission cavity, the moving rod is connected with the heat insulation box body through a stretching spring, five triangular blocks which are related to a moving rod path array are fixedly arranged on the, twelve U-shaped cavities about the fixed block annular array are fixedly arranged on the fixed block, a sliding block connected with the three corner blocks in an abutting mode is arranged on the U-shaped cavity in a sliding mode, the sliding block is connected with the U-shaped cavity through a reset spring, the push rod achieves air flow circulation according to the abutting connection between the cam and the roller, a heat insulation cavity is arranged on the upper side of the transmission cavity, a moisture supplementing device is arranged between the heat insulation cavity and the transmission cavity, a sealing device is arranged on the upper side in the heat insulation cavity and comprises two supporting plates which are fixedly connected with the inner wall on the left side of the transmission cavity and are symmetrical in the front-back direction of the symmetrical axis of the inner wall on the left side of the transmission cavity, a limiting groove is fixedly arranged on each supporting plate, a sliding rod is arranged on the limiting groove in a sliding mode, a moving shaft connected with, remove the axle with the slide bar is fixed jointly and is equipped with a connecting block, two the connecting block is fixed jointly and is equipped with a closing plate, the rear side rotate in the backup pad and be equipped with extend to the axis of rotation in the thermal-insulated chamber outside, the fixed dwang that is located in the thermal-insulated intracavity that is equipped with in the axis of rotation, the dwang with it is articulated through the hinge bar between the removal axle, can realize the seal work completely when the closing plate horizontal setting state.
2. A fire protection device for escape from a fire as recited in claim 1 wherein: the transmission chamber upside inner wall slides and is equipped with and extends to the sliding shaft of thermal-insulated intracavity, the fixed bearing plate that is located of being equipped with on the sliding shaft thermal-insulated intracavity, the bearing plate with connect through compression spring between the thermal-insulated chamber downside inner wall, the bearing plate can support one person normal weight.
3. A fire protection device for escape from a fire as recited in claim 2 wherein: the moisture supplementing device comprises an evaporation cavity which is fixedly connected with the inner wall of the upper side of the transmission cavity and communicated with the heat insulation cavity, a one-way valve is fixedly arranged at the communication part of the evaporation cavity and the heat insulation cavity, a liquefaction cavity communicated with the evaporation cavity and the heat insulation cavity is fixedly arranged on the inner wall of the rear side of the heat insulation cavity, a low-temperature plate is fixedly arranged on the inner wall of the upper side of the liquefaction cavity, a motor positioned in the transmission cavity is fixedly arranged on the lower side of the sliding shaft, an output shaft is arranged at the lower side of the motor, a sintered gear is fixedly arranged on the output shaft, a cast bevel gear fixedly connected with the output shaft is arranged at the lower side of the sintered gear, a transmission shaft which is rotatably connected with the inner wall of the lower side of the transmission cavity is arranged at the rear side of the sintering gear, a forging gear which is meshed and connected with the sintering gear is fixedly arranged on the transmission shaft, and a friction plate which is fixedly connected with the transmission shaft and rubs with the end face of the lower side of the evaporation cavity is arranged on the upper side of the forging gear.
4. A fire protection device for escape from a fire as recited in claim 3 wherein: the exhaust ventilation device comprises a transmission rod which is rotatably connected with an extending wall of the inner wall at the lower side of the transmission cavity, a sintering bevel gear which can be meshed with the casting bevel gear is fixedly arranged on the transmission rod, a forging bevel gear which can be meshed with the casting bevel gear is fixedly arranged on the transmission rod, a rotating rod which is rotatably connected with the inner wall at the left side of the transmission cavity and extends into the heat insulation cavity is arranged at the upper side of the transmission rod, a fan which is positioned in the heat insulation cavity is fixedly arranged on the rotating rod, the rotating rod is connected with the transmission rod through belt transmission, an exchange box body which is fixedly connected with the inner wall at the right side of the heat insulation cavity and extends to the outer side of the heat insulation cavity is arranged at the upper side of the fan, an exchange cavity with a through hole arranged at the upper inner wall and the lower inner wall is arranged in, an L-shaped cavity which can be communicated with the heat insulation cavity is fixedly arranged on the moving block, and a filter block fixedly connected with the inner wall of the exchange cavity is arranged on the right side of the moving block.
5. A fire protection device for escape from a fire as recited in claim 4 wherein: the sealing device comprises a rotating plate which is positioned outside the heat insulation cavity and fixedly connected with the rotating shaft, and a knob which is fixedly connected with the rotating shaft is arranged on the rear side of the rotating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110035414.8A CN112618987B (en) | 2021-01-12 | 2021-01-12 | Fire protection device for fire escape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110035414.8A CN112618987B (en) | 2021-01-12 | 2021-01-12 | Fire protection device for fire escape |
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| CN112618987A true CN112618987A (en) | 2021-04-09 |
| CN112618987B CN112618987B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110035414.8A Active CN112618987B (en) | 2021-01-12 | 2021-01-12 | Fire protection device for fire escape |
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| CN111494848A (en) * | 2020-05-09 | 2020-08-07 | 温州顺创智能科技有限公司 | Safety equipment for indoor temperature smoke detection protection |
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| CN201915996U (en) * | 2011-01-18 | 2011-08-03 | 辽宁卓异科技有限公司 | Cooling and dehumidifying device for mining movable refuge compartment |
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| CN110180107A (en) * | 2019-06-06 | 2019-08-30 | 丽水莲都晶格智能科技有限公司 | A kind of multifunctional assisting device based on forest fire |
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| CN112618987B (en) | 2022-11-11 |
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