CN218991400U - Emergency automatic door opening structure for fire-fighting channel - Google Patents
Emergency automatic door opening structure for fire-fighting channel Download PDFInfo
- Publication number
- CN218991400U CN218991400U CN202221966502.6U CN202221966502U CN218991400U CN 218991400 U CN218991400 U CN 218991400U CN 202221966502 U CN202221966502 U CN 202221966502U CN 218991400 U CN218991400 U CN 218991400U
- Authority
- CN
- China
- Prior art keywords
- fire
- transmission
- door opening
- door
- automatic door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Special Wing (AREA)
Abstract
The utility model discloses an emergency automatic door opening structure of a fire-fighting channel, which comprises a door frame, a movable door arranged in the door frame, and further comprises: the two fixing seats are arranged on two sides of the top of the door frame; the driving structure is arranged in the fixing seat and is in transmission connection with the movable door, and is used for driving the movable door to rotate. The emergency automatic door opening structure for the fire-fighting channel can automatically open the emergency door when fire-fighting alarm occurs, so that the smoothness of the fire-fighting channel is ensured, ventilation and smoke discharge are facilitated, evacuation and escape of people are facilitated, and firefighters can enter the emergency automatic door opening structure rapidly to rescue.
Description
Technical Field
The utility model relates to the technical field of fire-fighting channel emergency doors, in particular to an emergency automatic door opening structure of a fire-fighting channel.
Background
The fire-fighting channel refers to a channel for firefighters to rescue and evacuate trapped people, such as a landing entrance and a passageway, wherein fire-fighting indicator lamps are arranged on the fire-fighting channel, and the fire-fighting channel plays a role of non-underestimation in various dangerous situations.
The fire-fighting channel is a life channel of people, can rapidly extinguish fire, rescue lives and properties of people and can directly reduce loss of fire, so that the fire-fighting channel cannot be occupied at will, and the fire-fighting channel is kept unobstructed all the time, if the fire-fighting channel is occupied, serious hidden danger is brought to lives and properties of district owners.
The fire-fighting channel is generally divided into an indoor fire-fighting channel and an outdoor fire-fighting channel, wherein the indoor fire-fighting channel is mainly used for evacuation of personnel and entrance of fire-fighting personnel, and is generally provided with an emergency door, and the emergency door of the fire-fighting channel is generally not opened at ordinary times and is stuck with the word of 'emergency evacuation door, non-emergency non-opening', so as to be convenient for maintaining the public security of a district, but can not be locked, and is kept to be opened outwards.
However, when the fire disaster evacuation device is used, the door can be opened only by pushing the emergency door outwards when people are evacuated, but when a fire disaster occurs, if the emergency door cannot be opened in time, the outward diffusion of smoke is unfavorable, and the people just escape from the fire disaster smoke to reach the emergency door, the emergency door is pushed open without force, and potential safety hazards still exist.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an emergency automatic door opening structure of a fire-fighting access, and aims to solve the problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an emergent automatic door structure that opens door of fire control passageway, includes the door frame and sets up the dodge gate in the door frame, still includes:
the two fixing seats are arranged on two sides of the top of the door frame;
the driving structure is arranged in the fixing seat and is in transmission connection with the movable door, and is used for driving the movable door to rotate.
Preferably, the movable door and the door frame are connected through a hinge.
Preferably, a control circuit board is arranged in the fixing seat and is electrically connected with the driving structure, and the control circuit board is externally connected with a fire-fighting system and is used for controlling the driving structure to work when fire-fighting alarms occur and opening the movable door.
Preferably, the control circuit board is also externally connected with a control switch, and the control switch can be pressed to control the starting, stopping, forward rotation and reverse rotation of the driving structure through the control circuit board.
Preferably, the upper side and the lower side of the movable door are fixedly connected with fixed shafts, and the fixed shafts are rotatably arranged in the fixed seats.
Preferably, the driving structure includes:
the motor is fixed in the fixing seat;
the first bevel gear is fixedly connected with an output shaft of the motor;
the rotating shaft is rotatably arranged in the fixing seat;
the worm wheel is fixedly connected with the rotating shaft and is in transmission connection with the fixed shaft;
the worm is rotatably arranged in the fixed seat and meshed with the worm wheel;
and the second bevel gear is fixedly connected with the worm and meshed with the first bevel gear.
Preferably, the worm wheel is in transmission connection with the fixed shaft through a transmission structure.
Preferably, the transmission structure includes:
the guide post is fixedly connected with the fixed shaft;
the movable sleeve is sleeved outside the guide post in a sliding way;
the guide sleeve is fixedly connected with the movable sleeve and sleeved outside the guide post;
the support spring is sleeved outside the guide sleeve and props against the movable sleeve and the fixed seat;
a transmission plate fixed to the bottom of the worm wheel;
and the opposite sides of the transmission plate and the movable sleeve are respectively provided with transmission teeth which are meshed with each other.
Preferably, the guide post is a square post.
Preferably, the transmission teeth are annularly arranged, and the cross section of the transmission teeth is in a right triangle shape, namely one side surface of the transmission teeth is perpendicular to the transmission plate or the movable sleeve, and the other side surface of the transmission teeth is obliquely arranged with the transmission plate or the movable sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
the emergency automatic door opening structure for the fire-fighting channel can automatically open the emergency door when fire-fighting alarm occurs, so that the smoothness of the fire-fighting channel is ensured, ventilation and smoke discharge are facilitated, evacuation and escape of people are facilitated, and firefighters can enter the emergency automatic door opening structure rapidly to rescue.
Drawings
FIG. 1 is a schematic view of an emergency automatic door opening structure for a fire fighting access according to the present utility model;
FIG. 2 is an enlarged schematic view of the driving structure according to the present utility model;
fig. 3 is an enlarged schematic view of the structure of the transmission structure according to the present utility model.
In the figure: 10 door frames, 11 hinges, 20 movable doors, 21 fixed shafts, 30 fixed seats, 40 driving structures, 41 motors, 42 first bevel gears, 43 worm gears, 44 rotating shafts, 45 worms, 46 second bevel gears, 50 transmission structures, 51 guide posts, 52 movable sleeves, 53 guide sleeves, 54 supporting springs, 55 transmission plates, 56 transmission teeth and 60 control circuit boards.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Please refer to fig. 1, an emergency automatic door opening structure for fire-fighting access, comprising a door frame 10 and a movable door 20 arranged in the door frame 10, wherein the movable door 20 and the door frame 10 are the existing common door frame and emergency door, and further comprising: two fixing seats 30 disposed at both sides of the top of the door frame 10; the driving structure 40 is arranged in the fixed seat 30 and is in transmission connection with the movable door 20, and is used for driving the movable door 20 to rotate, the driving structure 40 is externally connected with a power supply, and the driving structure is connected with a standby power supply of a fire protection system in a prior art manner so as to avoid the condition of power failure; the movable door 20 is connected to the door frame 10 by a hinge 11.
When the emergency door is used, if a fire alarm occurs, the movable door 20 is opened through the driving structure 40, so that the aim of automatically opening the emergency door is fulfilled, the door can be opened at the first time, so that better ventilation and smoke exhaust are realized, and when people escape indoors, the door is not required to be pushed open, and people escape directly, so that the emergency door is more beneficial to evacuation and escape of people.
The inside of fixing base 30 is provided with control circuit board 60, and control circuit board 60 is connected with drive structure 40 electricity to external fire control system is used for controlling drive structure 40 work when the fire alarm appears, opens dodge gate 20, how control circuit board 60 is connected with fire control system is prior art, and reference smoke alarm and fire control system's connected mode, practically any one kind of realizable connected mode all can, so need not be repeated, and the transmission of signal is prior art equally.
The control circuit board 60 is further externally connected with a control switch, the control switch can be started, stopped, rotated forward and rotated backward by pressing the control switch through the control circuit board 60 to control the driving structure 40, the control switch can be a panel switch arranged on a wall body or a remote control switch held by a property manager, the specific use of which switch can be determined according to the property management condition, the connection of the switch is the prior art, and only the purpose of simple signal transmission is achieved, so that the description is omitted.
Referring to fig. 1 and 2, the upper and lower sides of the movable door 20 are fixedly connected with a fixing shaft 21, the fixing shaft 21 is rotatably disposed in the fixing seat 30, and the fixing shaft 21 can assist the rotation of the movable door 20 and complete the transmission between the driving structure 40 and the movable door 20.
Referring to fig. 1 and 2, the driving structure 40 includes: the motor 41, it is fixed in the inside of the fixed seat 30, the motor 41 is the stepping motor, can control the direction of rotation and number of turns; a first bevel gear 42 fixedly connected to an output shaft of the motor 41; a rotating shaft 44 rotatably disposed inside the fixed seat 30; a worm wheel 43 fixedly connected with the rotating shaft 44 and in driving connection with the fixed shaft 21; a worm 45 rotatably provided inside the fixed seat 30 and engaged with the worm wheel 43; a second bevel gear 46 fixedly connected to the worm 45 and meshed with the first bevel gear 42.
After the fire alarm is sensed, the starting motor 41 drives the first bevel gear 42 to rotate, so that the second bevel gear 46 can be driven to rotate, the worm 45 can be driven to rotate, the worm wheel 43 can be driven to rotate, the fixed shaft 21 can be driven to rotate, the movable door 20 can be driven to rotate finally, the movable door 20 is opened and closed, the operation is simple, the automatic door opening operation is convenient, and the fire emergency is more convenient and rapid.
Referring to fig. 2 and 3, the worm wheel 43 is in transmission connection with the fixed shaft 21 through the transmission structure 50, and the movable door 20 can be driven to rotate by the driving structure 40 and can be manually pushed open through the transmission structure 50.
To achieve the above object, the transmission structure 50 includes: a guide post 51 fixedly connected to the fixed shaft 21; a movable sleeve 52 slidably sleeved on the outer portion of the guide post 51; the guide sleeve 53 is fixedly connected with the movable sleeve 52 and sleeved outside the guide post 51; a supporting spring 54 which is sleeved outside the guide sleeve 53 and props against the movable sleeve 52 and the fixed seat 30; a transmission plate 55 fixed to the bottom of the worm wheel 43; the opposite sides of the transmission plate 55 and the movable sleeve 52 are respectively provided with transmission teeth 56, and the transmission teeth 56 are meshed with each other; the guide post 51 is a square post, and the square post can ensure that the square post and the movable sleeve 52 do not rotate relatively, and only can drive and slide.
The driving teeth 56 are arranged in a ring shape, and the cross section of the driving teeth 56 is a right triangle, that is, one side surface of the driving teeth 56 is perpendicular to the driving plate 55 or the movable sleeve 52 (is a vertical surface), and the other side surface of the driving teeth is inclined with the driving plate 55 or the movable sleeve 52 (is an inclined surface).
When the worm wheel 43 is driven to rotate, the driving plate 55 is driven to rotate, so as to drive the driving teeth 56 positioned on the driving plate 55 to rotate, and the driving teeth 56 positioned on the movable sleeve 52 can be driven to rotate in a following manner through the mutual influence of the vertical surfaces of the driving teeth 56 (the elastic force of the supporting spring 54 can continuously give a pushing force to the movable sleeve 52, so that the driving teeth 56 positioned on the driving plate 55 and the driving teeth 56 positioned on the movable sleeve 52 are always meshed and can normally drive), namely the movable sleeve 52 can be driven to rotate, so as to drive the guide post 51 to rotate, namely the fixed shaft 21 and the movable door 20 can be driven to rotate, and the automatic opening and closing of the movable door 20 can be completed;
when the motor 41 cannot drive the transmission or the transmission inside the driving structure 40 is blocked, a user can forcefully push the movable door 20 to generate a pushing force, the pushing force acts on the fixed shaft 21 and then acts on the guide post 51 and the movable sleeve 52, and finally acts on the transmission teeth 56 positioned on the movable sleeve 52, and the transmission teeth 56 positioned on the transmission plate 55 cannot actively rotate under the self-locking property of the worm wheel 43 and the worm 45 (the worm wheel 43 cannot drive the worm 45 to rotate), and meanwhile, under the action of the inclined surface of the transmission teeth 56, the pushing force can generate a component force on the inclined surface, so that the movable sleeve 52 is gradually pushed to compress the supporting spring 54, and in the process, the transmission teeth 56 positioned on the transmission plate 55 and the transmission teeth 56 positioned on the movable sleeve 52 can relatively rotate, so that the user can not be influenced to manually push the movable door 20, and the adaptability is better.
In summary, the emergency automatic door opening structure for the fire-fighting channel provided by the utility model can automatically open the emergency door when a fire-fighting alarm occurs, so that the smoothness of the fire-fighting channel is ensured, ventilation and smoke discharge are facilitated, and people are more facilitated to evacuate and escape.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an emergent automatic door structure that opens door of fire control passageway, includes the door frame and sets up the dodge gate in the door frame, its characterized in that still includes:
the two fixing seats are arranged on two sides of the top of the door frame;
the driving structure is arranged in the fixing seat and is in transmission connection with the movable door, and is used for driving the movable door to rotate.
2. The fire-fighting access emergency automatic door opening structure according to claim 1, wherein the movable door is connected with the door frame through a hinge.
3. The emergency automatic door opening structure for the fire fighting access according to claim 1, wherein a control circuit board is arranged in the fixing seat, is electrically connected with the driving structure and is externally connected with a fire fighting system, and the fire fighting system is used for controlling the driving structure to work so as to open the movable door.
4. The fire-fighting access emergency automatic door opening structure according to claim 3, wherein the control circuit board is further externally connected with a control switch, and the control switch can be pressed to control the starting, stopping, forward rotation and reverse rotation of the driving structure through the control circuit board.
5. The emergency automatic door opening structure for the fire fighting access according to claim 1, wherein the upper side and the lower side of the movable door are fixedly connected with fixed shafts, and the fixed shafts are rotatably arranged in the fixed seats.
6. The fire access emergency automatic door opening structure according to claim 5, wherein the driving structure comprises:
the motor is fixed in the fixing seat;
the first bevel gear is fixedly connected with an output shaft of the motor;
the rotating shaft is rotatably arranged in the fixing seat;
the worm wheel is fixedly connected with the rotating shaft and is in transmission connection with the fixed shaft;
the worm is rotatably arranged in the fixed seat and meshed with the worm wheel;
and the second bevel gear is fixedly connected with the worm and meshed with the first bevel gear.
7. The emergency automatic door opening structure for the fire fighting access according to claim 6, wherein the worm wheel is in transmission connection with the fixed shaft through a transmission structure.
8. The fire access emergency automatic door opening structure according to claim 7, wherein the transmission structure comprises:
the guide post is fixedly connected with the fixed shaft;
the movable sleeve is sleeved outside the guide post in a sliding way;
the guide sleeve is fixedly connected with the movable sleeve and sleeved outside the guide post;
the support spring is sleeved outside the guide sleeve and props against the movable sleeve and the fixed seat;
a transmission plate fixed to the bottom of the worm wheel;
and the opposite sides of the transmission plate and the movable sleeve are respectively provided with transmission teeth which are meshed with each other.
9. The fire fighting access emergency automatic door opening structure according to claim 8, wherein said guide post is a square post.
10. The emergency automatic door opening structure for fire-fighting access according to claim 8, wherein the transmission teeth are arranged in a ring shape, and the cross section of the transmission teeth is in a right triangle shape, i.e. one side surface of the transmission teeth is perpendicular to the transmission plate or the movable sleeve, and the other side surface of the transmission teeth is arranged obliquely to the transmission plate or the movable sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221966502.6U CN218991400U (en) | 2022-07-28 | 2022-07-28 | Emergency automatic door opening structure for fire-fighting channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221966502.6U CN218991400U (en) | 2022-07-28 | 2022-07-28 | Emergency automatic door opening structure for fire-fighting channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218991400U true CN218991400U (en) | 2023-05-09 |
Family
ID=86194425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221966502.6U Active CN218991400U (en) | 2022-07-28 | 2022-07-28 | Emergency automatic door opening structure for fire-fighting channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218991400U (en) |
-
2022
- 2022-07-28 CN CN202221966502.6U patent/CN218991400U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110607972A (en) | Fire-fighting smoke exhaust device and fire-fighting smoke exhaust method | |
| CN218991400U (en) | Emergency automatic door opening structure for fire-fighting channel | |
| CN114146332A (en) | Escape device of pressure-bearing building and control method | |
| CN111270948A (en) | Wind pressure resistant reinforced landscape energy-saving fire-fighting integrated window | |
| CN112267802A (en) | Emergency lifesaving fireproof door with escape function | |
| CN216536602U (en) | Escape device of pressure-bearing building | |
| CN111852294A (en) | Aluminum alloy fireproof window | |
| CN115467613A (en) | Special fireproof door integrating smoke sensing alarm and automatic closing functions | |
| CN1317478C (en) | Emergency door (Window) with auto induction and opening shen fire occurred | |
| CN112127737B (en) | Window intelligence prevents falling down building device | |
| CN106823182B (en) | Honeycomb-like urban safety emergency refuge device | |
| CN114635629A (en) | Prevent window that people fell | |
| CN218493478U (en) | Manual control device for fireproof escape door and window | |
| WO2021088103A1 (en) | Smoke-blocking, fire-closing and spread-preventing smart asphyxiation fire control system | |
| CN213205347U (en) | Power-off manually-opened landscape-viewing energy-saving fire-fighting integrated window | |
| CN212774042U (en) | Prevent fire door monitored control system with function is reminded to pronunciation | |
| CN220118999U (en) | Fire control passageway occupies alarm device | |
| CN218563532U (en) | Fire prevention roll of curtain that possesses sparse function of fire control | |
| CN211851521U (en) | Prevent fire door with alarming function | |
| CN212614296U (en) | Integrated fireproof door and window automatic control device for building | |
| CN217420985U (en) | Fireproof door with smoke-proof structure | |
| CN214532630U (en) | Sliding type fireproof sliding door for building | |
| CN219412412U (en) | Prevent fire door monitoring device | |
| CN218206517U (en) | Automatic alarm fireproof rolling shutter door | |
| CN212716356U (en) | Novel fireproof door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |