CN113144484A - Fire safety device arranged at building corridor entrance guard - Google Patents
Fire safety device arranged at building corridor entrance guard Download PDFInfo
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- CN113144484A CN113144484A CN202110563573.5A CN202110563573A CN113144484A CN 113144484 A CN113144484 A CN 113144484A CN 202110563573 A CN202110563573 A CN 202110563573A CN 113144484 A CN113144484 A CN 113144484A
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- Prior art keywords
- turnover
- fire
- safety device
- beams
- fixedly arranged
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to the field of fire control setting, in particular to a fire safety device arranged at an entrance guard of a building corridor, which comprises a top beam, a turnover mechanism, two side beams, two turnover beams and two groups of fire retardant mechanisms, wherein a strip-shaped avoidance notch facing indoors is formed in the side wall of each side beam, plane parts which are symmetrically distributed along the axis of each turnover beam are arranged on the side wall of each turnover beam, each fire retardant mechanism is provided with a plurality of spray head mechanisms which can penetrate through the plane parts and spray flame retardant substances outwards, and the turnover mechanism is used for synchronously driving the two turnover beams to rotate. The invention is beautiful and has no abrupt feeling, when a fire occurs, the turnover beam provided with the nozzle mechanism can be turned outwards and faces indoors, and meanwhile, the fire door opening with the escape function is continuously sprayed and put out a fire by means of a water source collided by fire water, so that the fire door is ensured to have the condition for people to escape all the time, and on the other hand, a water curtain barrier can be formed to prevent the fire from spreading outwards.
Description
Technical Field
The invention relates to the field of fire fighting equipment, in particular to a fire fighting safety device arranged at an entrance guard of a building corridor.
Background
Fire-fighting linkage control means that after a fire detector detects a fire signal, a relevant air conditioner in an alarm area can be automatically cut off, a fire valve on a pipeline is closed, a relevant air exchange fan is stopped, a smoke exhaust valve of the relevant pipeline is opened, an electric fire door and a fire-proof rolling door at relevant positions are automatically closed, a non-fire-fighting power supply is sequentially cut off, an accident lighting and evacuation marker lamp is switched on, all elevators except a fire elevator are shut down, and a fire extinguishing system is immediately started through a controller of a control center to automatically extinguish fire.
When taking place the condition of a fire in the present building, building fire extinguishing system mainly takes to start ventilation and prevents system, automatic spray system and the fire prevention roller shutter door system of discharging fume and put out a fire in a linkage, and at the in-process that takes place the condition of a fire, the crowd can flee out outdoors through the fire exit of building, and this in-process, if the condition of a fire stretches to emergency exit department, then indoor personnel can't flee out smoothly, consequently need design a fire control setting for guaranteeing the fire exit to this condition.
Disclosure of Invention
In order to solve the technical problem, the fire-fighting safety device arranged at the entrance guard of the building corridor is provided.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the utility model provides a set up in fire control safety device of building corridor entrance guard department, includes the wall body and sets up the emergency exit in the wall body door opening, still including setting up the emergent fire control subassembly in the wall body door opening, emergent fire control subassembly is located the front side of emergency exit, fire control safety subassembly includes:
the top beam is fixedly arranged at the top of the wall door opening in a horizontal state;
the side beams are fixedly arranged on two sides in a door opening of the wall body in a vertical state, and a strip-shaped avoidance notch facing indoors is formed in the side wall of each side beam;
the side walls of each overturning beam are provided with plane parts which are symmetrically distributed along the axis of the side beam;
the fire retardant mechanisms are arranged in two groups and are respectively and fixedly arranged on the inner sides of the two turnover beams, and each fire retardant mechanism is provided with a plurality of spray head mechanisms which can penetrate through the plane part and spray flame retardant substances outwards;
and the turnover mechanism is positioned on the inner side of the top beam and used for synchronously driving the two turnover beams to rotate so that the plane parts of the turnover beams align to the strip-shaped avoidance notches.
Preferably, the main part of curb girder is square tubular construction, the breach is dodged to the bar and is located the curb girder and keep away from the wall body and towards indoor one corner.
Preferably, the main part of upset roof beam is circular tubular structure, two plane portion is located the lateral wall of upset roof beam, sets up the circular through-hole that a plurality of is longitudinal distribution and equidistant setting on one of them plane portion.
Preferably, the firestop mechanism comprises:
the number of the atomizing nozzles is equal to that of the circular through holes, and the nozzle mechanism is the atomizing nozzle;
the main body of the spray head bracket is of a strip-shaped plate structure and is fixedly arranged on the inner side of the side beam in a vertical state, all the atomizing spray heads are fixedly arranged on the spray head bracket, and all the atomizing spray heads are arranged at equal intervals along the length direction of the spray head bracket;
wherein, all atomizer in every back-fire relief mechanism all establish ties through a water pipe, and this water piping connection is to fire-fighting water pump.
Preferably, one side of shower nozzle support is fixed with "V" type mounting bracket that a plurality of is equidistant to be distributed, every one side that shower nozzle support was kept away from to "V" type mounting bracket all with the inner wall fastening connection of one of them plane portion, is provided with the bolt hole that a plurality of is used for fixed connection "V" type mounting bracket on this plane portion, offers on the inner wall of another plane portion to be used for dodging the mounting groove of dodging of atomizing shower nozzle afterbody.
Preferably, the lower extreme of upset roof beam is fixed and is provided with an upset bottom the same with self cross sectional shape, the fixed axle that extends downwards that is provided with of lower extreme of upset bottom, fixed cover is equipped with two bearings that are and paste tightly from top to bottom on the fixed axle, the fixed bottom that is provided with in bottom of curb girder, the fixed cylinder axle sleeve that is used for holding two bearings that is provided with in the top of fixed bottom, the upper end of upset roof beam is provided with an upset upper cover, the fixed rotation axis that is provided with a vertical upwards extension in top of upset upper cover, the rotation axis upwards stretches into in the back timber and is connected with tilting mechanism.
Preferably, the turnover mechanism includes:
the double-head motor is fixedly arranged on the inner side of the top beam in a horizontal state;
the two screw rods are symmetrically distributed on two sides of the double-head motor, and one end of each screw rod is connected with an output shaft of the double-head motor through a coupler;
the gear is fixedly sleeved on the outer side of the rotating shaft;
the rack is arranged on the inner wall of the top beam in a sliding manner and is meshed with the gear;
one end of the connecting rod is connected with the rack, and the other end of the connecting rod is provided with a threaded sleeve sleeved on the screw rod;
and the limiting nut is arranged on the screw rod in a rotating mode and is positioned between the threaded sleeve and the double-head motor.
Preferably, a sliding rail for allowing the rack to be embedded in a sliding manner is fixedly arranged on the side wall of the top beam, shaft seats for allowing the connecting shaft to pass through are fixedly arranged on the upper side and the lower side of the sliding rail, the gear is located between the two shaft seats, and rubber gaskets sleeved on the rotating shaft are arranged at the upper end and the lower end of the gear.
Preferably, the rack to gear tooth ratio is 1: 1.
Preferably, the maximum distance between the limiting nut and the threaded sleeve is the length of the rack.
The invention has the beneficial effects that:
the emergency fire-fighting assembly is arranged in a door opening, is attractive and has no abrupt feeling, when a fire occurs, the turnover beam provided with the nozzle mechanism can be turned outwards and faces indoors, and meanwhile, the fire-fighting door opening with the escape function is continuously sprayed and put out a fire by means of the water source of fire-fighting water, so that the condition that people escape is always ensured for the fire-fighting safety door, and on the other hand, a water curtain barrier can be formed to prevent the fire from spreading outwards.
Drawings
FIG. 1 is a perspective view of the present invention assembled with a fire door and a wall;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is an exploded perspective view of the side beam, the flip beam, and the firestop mechanism of the present invention;
FIG. 4 is a plan structural cross-sectional view of the side beam, the inverted beam, and the firestop mechanism of the present invention;
FIG. 5 is a schematic perspective view of the turnover mechanism of the present invention;
FIG. 6 is a schematic plan view of a portion of the turnover mechanism of the present invention;
fig. 7 is a plan sectional view of the tilting mechanism and the top beam of the present invention.
The reference numbers in the figures are:
1-a wall body; 2, a safety door; 3-emergency fire-fighting components; 4-top beam; 5-a side beam; 6-strip-shaped avoiding gaps; 7-turning over the beam; 8-plane part; 9-circular through holes; 10-an atomizing spray head; 11-a spray head holder; 12- "V" type mounting bracket; 13-bolt holes; 14-avoiding mounting grooves; 15-overturning the bottom cover; 16-a fixed shaft; 17-a bearing; 18-fixing the bottom cover; 19-cylindrical shaft sleeve; 20-turning over the upper cover; 21-a rotating shaft; 22-a double-ended motor; 23-a screw rod; 24-a gear; 25-a rack; 26-a connecting rod; 27-a threaded sleeve; 28-a limit nut; 29-a slide rail; 30-shaft seat; 31-rubber gasket.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1 to 7, one kind sets up in fire safety device of building corridor entrance guard department, include wall body 1 and set up emergency exit 2 in wall body 1 door opening, still including setting up emergency fire control assembly 3 in wall body 1 door opening, emergency fire control assembly 3 is located the front side of emergency exit 2, fire safety assembly includes:
the top beam 4 is fixedly arranged at the top of the door opening of the wall body 1 in a horizontal state;
the side beams 5 are two in number and are fixedly arranged on two sides in a door opening of the wall body 1 in a vertical state, and a strip-shaped avoiding notch 6 facing indoors is formed in the side wall of each side beam 5;
the number of the turnover beams 7 is two, the turnover beams are arranged in a vertical state and are respectively connected to the inner sides of the side beams 5 in an axial mode, and the side wall of each turnover beam 7 is provided with plane portions 8 which are symmetrically distributed along the axis of the turnover beam;
the fire retardant mechanisms are arranged in two groups and are respectively and fixedly arranged on the inner sides of the two turnover beams 7, and each fire retardant mechanism is provided with a plurality of spray head mechanisms which can penetrate through the plane part 8 and spray flame retardant substances outwards;
and the turnover mechanism is positioned on the inner side of the top beam 4 and used for synchronously driving the two turnover beams 7 to rotate so that the plane parts 8 of the turnover beams 7 are aligned to the strip-shaped avoidance notches 6.
Emergent fire control subassembly 3 is located emergency exit 2 and is close to indoor one side, when indoor conflagration breaing out, building fire extinguishing system starts the fire control measure, control tilting mechanism work, one side that makes two upset roof beams 7 have shower nozzle mechanism outwards turns out curb girder 5, make shower nozzle mechanism dodge breach 6 slopes through the bar and aim at indoor spraying, and then form one water curtain protective screen in fire door department through two sets of shower nozzle mechanisms, prevent that indoor naked light from outwards stretching through the emergency exit, and simultaneously, also make the people who flee through the fire door avoid indoor naked light injury.
The main part of curb girder 5 is square tube structure, breach 6 is dodged to the bar is located curb girder 5 and keeps away from wall body 1 and towards indoor one corner. Curb girder 5 and back timber 4 are all through expansion bolts fixed mounting in the door opening, thereby form a rectangle that is used for spilling upset roof beam 7 with an edges and corners excision of curb girder 5 and dodge the breach to guarantee that the nozzle mechanism of installing on upset roof beam 7 can dodge breach 6 through this bar and spray to indoor.
The main part of upset roof beam 7 is circular tubular structure, two plane portion 8 is located the lateral wall of upset roof beam 7, sets up the circular through-hole 9 that a plurality of is longitudinal distribution and equidistant setting on one of them plane portion 8. The two sides of the turnover beam 7 are provided with plane parts 8, and in a normal state, the plane parts 8 without circular through holes 9 are aligned with the strip-shaped avoiding gaps 6 of the side beams 5 so as to protect the opposite nozzle mechanism from being damaged by people; when a fire occurs, the turnover mechanism drives the turnover beam 7 to rotate 180 degrees, so that the plane part 8 with the circular through hole 9 is opposite to the strip-shaped avoidance notch 6, the spray head mechanism arranged on the side can carry out emergency spraying towards the indoor direction, and one end of a nozzle of each spray head mechanism extends outwards through the circular through hole 9.
The firestop mechanism comprises:
the number of the atomizing nozzles 10 is equal to that of the circular through holes 9, and the nozzle mechanism is the atomizing nozzles 10;
the main body of the nozzle support 11 is of a strip-shaped plate-shaped structure and is fixedly arranged on the inner side of the side beam 5 in a vertical state, all the atomizing nozzles 10 are fixedly arranged on the nozzle support 11, and all the atomizing nozzles 10 are arranged at equal intervals along the length direction of the nozzle support 11;
wherein, all atomizer 10 in every back-fire relief mechanism all establish ties through a water pipe, and this water piping connection is to fire pump, and this water pipe chooses for use the high strength material to make.
All atomizer 10 are all fixed to be set up on shower nozzle support 11, the shower nozzle support 11 that will be equipped with atomizer 10 again is whole to be sent into and accomplishes the installation in upset roof beam 7, and then can drive all atomizer 10 of its inboard through the rotation of upset roof beam 7 and rotate, so atomizer 10 all establishes ties through the water pipe, and water piping connection is to the fire pump, when taking place the condition of a fire, building control system starts fire pump work and drives indoor shower and all atomizer 10 and spray jointly and put out a fire, the water pipe adopts pre-buried mode to bury underground in wall body 1.
One side of shower nozzle holder 11 is fixed with a plurality of equidistant distribution "V" type mounting bracket 12, every one side that shower nozzle holder 11 was kept away from to "V" type mounting bracket 12 all with one of them plane portion 8's inner wall fastening connection, is provided with a plurality of bolt hole 13 that is used for fixed connection "V" type mounting bracket 12 on this plane portion 8, offers on another plane portion 8's the inner wall to be used for dodging the installation groove 14 of dodging of atomizer 10 afterbody. The welding has a plurality of "V" type mounting bracket 12 on shower nozzle support 11, be connected to shower nozzle support 11 back one by one with atomizer 10, stuff its whole into upset roof beam 7, this in-process, be used for dodging atomizer 10's afterbody through dodging mounting groove 14, after atomizer support 11 sends into upset roof beam 7 completely, promote its whole along radial, insert until all atomizer 10's nozzle one-to-one and establish all circular through-holes 9, pass bolt hole 13 through the screw at last and overturn roof beam 7 and "V" type mounting bracket 12 fixed connection.
The lower end of the turnover beam 7 is fixedly provided with a turnover bottom cover 15 which has the same cross-sectional shape with the turnover beam, the lower end of the turnover bottom cover 15 is fixedly provided with a fixing shaft 16 extending downwards, the fixing shaft 16 is fixedly sleeved with two bearings 17 which are tightly attached up and down, the bottom of the side beam 5 is fixedly provided with a fixing bottom cover 18, the inner side of the top of the fixing bottom cover 18 is fixedly provided with a cylindrical shaft sleeve 19 for accommodating the two bearings 17, the upper end of the turnover beam 7 is provided with a turnover upper cover 20, the top of the turnover upper cover 20 is fixedly provided with a vertical rotating shaft 21 extending upwards, and the rotating shaft 21 upwards extends into the top beam 4 and is connected with the turnover mechanism. The overturning beam 7 is axially limited through the overturning bottom cover 15 and the overturning upper cover 20, so that the overturning beam can only rotate in situ, and the two plane parts 8 which are well arranged can rotate one by one to overturn to the strip-shaped avoiding gap 6. The turnover mechanism drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the turnover beam 7 to rotate, and the bottom of the turnover shaft rotates in the fixed bottom cover 18 through the bearing 17, so that the rotating stability of the turnover beam 7 is ensured.
The turnover mechanism comprises:
the double-head motor 22 is fixedly arranged on the inner side of the top beam 4 in a horizontal state;
the number of the screw rods 23 is two, the screw rods are symmetrically distributed on two sides of the double-head motor 22, and one end of each screw rod 23 is connected with an output shaft of the double-head motor 22 through a coupler;
a gear 24 fixedly fitted to the outer side of the rotary shaft 21;
a rack 25 which is slidably arranged on the inner wall of the top beam 4, and the rack 25 is meshed with the gear 24;
one end of the connecting rod 26 is connected with the rack 25, and the other end is provided with a threaded sleeve 27 sleeved on the screw rod 23;
and the limiting nut 28 is screwed on the screw rod 23 and is positioned between the threaded sleeve 27 and the double-head motor 22.
Double-end motor 22 receives building fire control system control, when the conflagration breaks out, the rotatory lead screw 23 that drives both ends of double-end motor 22 rotates, the rotatory drive through lead screw 23 with its screw-thread fit's connecting rod 26 translation, thereby drive rack 25 and carry out the translation, drive gear 24 rotation 180 in the in-process of rack 25 translation, thereby make upset roof beam 7 rotatory 180, make originally towards 5 inboard atomizer 10 of curb girder, whole upset is to the indoor one side of orientation, then outwards spray with the help of the water source of fire pump.
A sliding rail 29 for the rack 25 to be slidably embedded is fixedly arranged on the side wall of the top beam 4, shaft seats 30 for the connecting shaft to pass through are fixedly arranged on the upper side and the lower side of the sliding rail 29, the gear 24 is positioned between the two shaft seats 30, and rubber gaskets 31 sleeved on the rotating shaft 21 are arranged at the upper end and the lower end of the gear 24. The sliding rail 29 ensures that the rack 25 can only perform translational motion, and because one end of the connecting rod 26 is fixedly connected with one end of the rack 25, the threaded sleeve 27 drives the connecting rod 26 and the rack 25 to perform translational motion in the sliding rail 29 along with the rotation of the screw rod 23, so that the gear 24 meshed with the rack 25 drives the turnover beam 7 below to rotate through the translational motion of the rack 25.
The gear ratio of the rack 25 to the gear 24 is 1: 1. The rotation angle of the turnover beam 7 is accurately controlled through the tooth ratio of 1:1, as shown in fig. 7, when the rack 25 is translated outwards until abutting against the wall body 1, the gear 24 is rotated 180 degrees in the process, so that the turnover beam 7 is rotated 180 degrees to enable the originally inward atomizing nozzle 10 to be arranged outwards through the strip-shaped avoiding notch 6.
The maximum distance between the stop nut 28 and the threaded sleeve 27 is the length of the rack 25. When the rack 25 translates inwards, the gear 24 is driven to rotate reversely, in the process, the atomizing nozzle 10 rotates outwards again to rotate inwards, in the process, the rack 25 translates until the threaded sleeve 27 abuts against the limiting nut 28 to stop, and at the moment, the turnover beam 7 rotates reversely by 180 degrees to complete the inward rotation resetting process.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a set up in fire control safety device of building corridor entrance guard department, includes wall body (1) and sets up emergency exit (2) in wall body (1) door opening, its characterized in that, still including setting up emergency fire control subassembly (3) in wall body (1) door opening, emergency fire control subassembly (3) are located the front side of emergency exit (2), fire control safety subassembly includes:
the top beam (4) is fixedly arranged at the top of the door opening of the wall body (1) in a horizontal state;
the side beams (5) are fixedly arranged on two sides in a door opening of the wall body (1) in a vertical state, and a strip-shaped avoiding notch (6) facing indoors is formed in the side wall of each side beam (5);
the number of the turnover beams (7) is two, the turnover beams and the side beams are arranged in a vertical state and are respectively connected to the inner sides of the side beams (5) in an axial mode, and the side wall of each turnover beam (7) is provided with plane parts (8) which are symmetrically distributed along the axis of the turnover beam;
the fire retardant mechanisms are arranged in two groups and are respectively and fixedly arranged on the inner sides of the two turnover beams (7), and each fire retardant mechanism is provided with a plurality of spray head mechanisms which can penetrate through the plane part (8) and spray flame retardant substances outwards;
and the turnover mechanism is positioned on the inner side of the top beam (4) and used for synchronously driving the two turnover beams (7) to rotate so as to enable the plane parts (8) of the turnover beams (7) to be aligned with the strip-shaped avoidance notches (6).
2. A fire safety device arranged at a building corridor entrance guard according to claim 1, wherein the main body of the side beam (5) is of a square pipe structure, and the strip-shaped avoidance gap (6) is located at one corner of the side beam (5) far away from the wall (1) and facing indoors.
3. The fire safety device of claim 2, wherein the main body of the turnover beam (7) is a circular tubular structure, the two plane portions (8) are located on the side wall of the turnover beam (7), and one of the plane portions (8) is provided with a plurality of longitudinally distributed circular through holes (9) at equal intervals.
4. A fire safety apparatus as claimed in claim 3, wherein the fire retardant mechanism comprises:
the number of the atomizing nozzles (10) is equal to that of the circular through holes (9), and the nozzle mechanism is the atomizing nozzles (10);
the main body of the spray head bracket (11) is of a strip-shaped plate structure and is fixedly arranged on the inner side of the side beam (5) in a vertical state, all the atomizing spray heads (10) are fixedly arranged on the spray head bracket (11), and all the atomizing spray heads (10) are arranged at equal intervals along the length direction of the spray head bracket (11);
wherein, all the atomizing spray heads (10) in each fire retardant mechanism are connected in series through a water pipe, and the water pipe is connected to a fire pump.
5. The fire safety device of claim 4, wherein a plurality of V-shaped mounting frames (12) are fixed to one side of the nozzle holder (11) and distributed at equal intervals, one side of each V-shaped mounting frame (12), which is far away from the nozzle holder (11), is fixedly connected with the inner wall of one of the plane portions (8), a plurality of bolt holes (13) for fixedly connecting the V-shaped mounting frames (12) are formed in the plane portions (8), and an avoiding mounting groove (14) for avoiding the tail portion of the atomizing nozzle (10) is formed in the inner wall of the other plane portion (8).
6. The fire safety device of claim 3, wherein the fire safety device is arranged at an entrance guard of a building corridor, it is characterized in that the lower end of the turnover beam (7) is fixedly provided with a turnover bottom cover (15) with the same shape as the self section, the lower end of the turnover bottom cover (15) is fixedly provided with a fixed shaft (16) extending downwards, two bearings (17) which are tightly attached up and down are fixedly sleeved on the fixed shaft (16), a fixed bottom cover (18) is fixedly arranged at the bottom of the side beam (5), a cylindrical shaft sleeve (19) used for accommodating two bearings (17) is fixedly arranged on the inner side of the top of the fixed bottom cover (18), the upper end of the turnover beam (7) is provided with a turnover upper cover (20), the top of the turnover upper cover (20) is fixedly provided with a rotating shaft (21) which extends vertically and upwards, the rotating shaft (21) extends upwards into the top beam (4) and is connected with the turnover mechanism.
7. The fire safety device of claim 6, wherein the turnover mechanism comprises:
the double-head motor (22) is fixedly arranged on the inner side of the top beam (4) in a horizontal state;
the two screw rods (23) are symmetrically distributed on two sides of the double-head motor (22), and one end of each screw rod (23) is connected with an output shaft of the double-head motor (22) through a coupler;
a gear (24) fixedly sleeved outside the rotating shaft (21);
the rack (25) is arranged on the inner wall of the top beam (4) in a sliding manner, and the rack (25) is meshed with the gear (24);
one end of the connecting rod (26) is connected with the rack (25), and the other end is provided with a threaded sleeve (27) sleeved on the screw rod (23);
and the limiting nut (28) is screwed on the screw rod (23) and is positioned between the thread sleeve (27) and the double-head motor (22).
8. The fire safety device of claim 7, wherein a sliding rail (29) for slidably inserting the rack (25) is fixedly arranged on the side wall of the top beam (4), shaft seats (30) for allowing the connecting shaft to pass through are fixedly arranged on the upper side and the lower side of the sliding rail (29), the gear (24) is positioned between the two shaft seats (30), and rubber washers (31) sleeved on the rotating shaft (21) are arranged on the upper end and the lower end of the gear (24).
9. A fire safety device at a building corridor entrance guard according to claim 7, characterized in that the gear ratio of the rack (25) to the gear (24) is 1: 1.
10. A fire safety device at a building corridor entrance guard according to claim 7, characterized in that the maximum distance between the limit nut (28) and the threaded sleeve (27) is the length of the rack (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110563573.5A CN113144484B (en) | 2021-05-24 | 2021-05-24 | Fire safety device arranged at building corridor entrance guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110563573.5A CN113144484B (en) | 2021-05-24 | 2021-05-24 | Fire safety device arranged at building corridor entrance guard |
Publications (2)
| Publication Number | Publication Date |
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| CN113144484A true CN113144484A (en) | 2021-07-23 |
| CN113144484B CN113144484B (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110563573.5A Active CN113144484B (en) | 2021-05-24 | 2021-05-24 | Fire safety device arranged at building corridor entrance guard |
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| CN112482623A (en) * | 2020-11-16 | 2021-03-12 | 姚宏揆 | Fireproof structure based on building curtain wall |
| CN212867352U (en) * | 2020-07-28 | 2021-04-02 | 南昌南飞防火设备制造有限公司 | Vertical rolling type rolling door with special fireproof function |
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2021
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| CN211215066U (en) * | 2019-12-02 | 2020-08-11 | 江苏珺圣建设工程有限公司 | Locate fire control safety device of building corridor entrance guard department |
| CN212867352U (en) * | 2020-07-28 | 2021-04-02 | 南昌南飞防火设备制造有限公司 | Vertical rolling type rolling door with special fireproof function |
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| CN113144484B (en) | 2022-05-24 |
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