CN114016877B - Civil air defense engineering door - Google Patents
Civil air defense engineering door Download PDFInfo
- Publication number
- CN114016877B CN114016877B CN202111390333.6A CN202111390333A CN114016877B CN 114016877 B CN114016877 B CN 114016877B CN 202111390333 A CN202111390333 A CN 202111390333A CN 114016877 B CN114016877 B CN 114016877B
- Authority
- CN
- China
- Prior art keywords
- pin
- locating
- positioning
- threshold
- door frame
- 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
Classifications
-
- 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
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/12—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
-
- 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
-
- 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
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
- E06B1/6069—Separate spacer means acting exclusively in the plane of the opening; Shims; Wedges; Tightening of a complete frame inside a wall opening
- E06B1/6076—Separate spacer means acting exclusively in the plane of the opening; Shims; Wedges; Tightening of a complete frame inside a wall opening of screw-type
-
- 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
- E06B1/70—Sills; Thresholds
-
- 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
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/12—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
- E06B5/14—Gasproof doors or similar closures; Adaptation of fixed constructions therefor
-
- 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
- E06B1/70—Sills; Thresholds
- E06B2001/707—Thresholds with special provision for insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
Abstract
The application relates to the technical field of civil air defense engineering, and provides a civil air defense engineering door which comprises a door frame, a threshold and a foundation below the threshold. The bottom of door frame is offered a plurality of guiding holes, offer a plurality of pinholes that correspond with the guiding hole in the ground, offer the through-hole that corresponds with the pinhole in the threshold, the bottom port of through-hole all has the flaring, all inserts in every through-hole and establishes the locating pin, in the bottom of locating pin inserts the pinhole that corresponds, the bottom circumference of locating pin distributes a plurality of mounting groove, all is connected with the swivel pin through the round pin axle rotation in every mounting groove, the top of swivel pin is the expansion end, and passes through torsion spring connection between swivel pin and the mounting groove inner wall. The application has simple structure and is convenient to install and use according to actual conditions, wherein the door body consists of the threshold and the threshold, and the threshold can be independently used or matched to form an integrated switch structure, thereby having good emergency treatment function.
Description
Technical Field
The application relates to the technical field of civil air defense engineering, in particular to a civil air defense engineering door.
Background
At present, civil air defense engineering is generally a combined civil air defense engineering, a large number of people and equipment come in and go out at ordinary times, and civil air defense doors at entrances and exits need to be closed in the war, so that shock waves and toxic gases are prevented from entering the civil air defense engineering. In order to ensure that the civil air defense door of the entrance can resist the action of the shock waves in the war, the civil air defense door is generally provided with a threshold protruding out of the ground for bearing the shock wave pressure on the door leaf, but the threshold brings great inconvenience to people and vehicles in and out at ordinary times.
In order to facilitate the ingress and egress of a large number of people and vehicles at ordinary times, there are two existing solutions: 1. some civil air defense doors are not provided with a threshold, but a groove is arranged in front of a door frame, a steel plate is covered on the groove at ordinary times, after a war door leaf is closed in place, the door leaf is firstly lowered into the groove, and then the door leaf is locked, so that the protection and sealing functions of the civil air defense doors are realized, but the lifting door is inconvenient in door leaf opening and closing due to the fact that the weight of the door leaf is large, time and labor are wasted when the door leaf is lifted; 2. some people's air defense doors adopt the structural style of living threshold, and the valve threshold is not adorned at ordinary times, is convenient for pass, installs the living threshold again in the time of war, but the weight of living threshold is great, installs the difficulty, and level combat function conversion time is long, and in addition the valve threshold is preserved inconveniently at ordinary times, is lost easily.
Disclosure of Invention
The application provides a civil air defense engineering door, which aims to solve the problems.
The application is specifically as follows:
the civil air defense engineering door comprises a door frame and a threshold, wherein the threshold is detachably connected with a foundation below the threshold.
The bottom of door frame is offered a plurality of guiding holes, offer a plurality of with the pinhole that the guiding hole corresponds in the ground, offer in the threshold with the through-hole that the pinhole corresponds.
The bottom ports of the through holes are provided with flaring, positioning pins are inserted into the through holes, and the bottom ends of the positioning pins are inserted into the corresponding pin holes.
The bottom circumference of locating pin distributes a plurality of mounting groove, every all be connected with the swivel pin through the round pin axle rotation in the mounting groove, the top of swivel pin is the expansion end, and is connected through torsion spring between swivel pin and the mounting groove inner wall.
The driving assembly is arranged on the doorsill to drive each locating pin in the doorsill to move, when the locating pin moves to the position that the rotating pin is positioned in the flaring, the movable end of the rotating pin extends out of the mounting groove, and the top end of the rotating pin is abutted against the inner bottom surface of the corresponding flaring.
And a traction assembly is further arranged in the door frame so as to drive each positioning pin to ascend.
Furthermore, a plurality of guide wheels are arranged on two sides of the ascending channel of the locating pin in the door frame so as to guide the locating pin to ascend, and the locating pin is of a cylindrical structure.
Further, the drive assembly comprises a toothed plate, an inner gear, a transmission shaft and an outer gear, wherein the toothed plate is fixedly connected with the positioning pin along the length direction of the positioning pin, the inner gear is arranged in the threshold and meshed with the toothed plate, the transmission shaft penetrates through the threshold, the inner end of the transmission shaft is connected with the inner gear, the outer end of the transmission shaft is connected with the outer gear, and the drive assembly further comprises a drive mechanism for driving each outer gear to rotate in the same direction.
Further, the driving mechanism comprises a driving gear, a central shaft and a turntable unit, one end of the central shaft is rotationally connected with the outer surface of the threshold, the driving gear is fixedly installed on the central shaft, the outer side surface of the threshold is further horizontally and slidably connected with a plurality of outer racks, the outer racks are meshed with the driving gear and each outer gear, and the turntable unit is installed at the other end of the central shaft.
Further, the protection casing that holds drive assembly is installed in the outside of threshold, has round protruding edge around the casing of protection casing, and a plurality of jack is distributed on protruding edge, through in order to fix the protection casing in the threshold outside at jack department mounting bolt, and the perforation has still been seted up at the middle part of protection casing, and the end of center pin passes and connects carousel unit after the perforation, and the holding tank is seted up around the perforation to hold carousel unit.
Further, the turntable unit comprises an annular turntable and a plurality of fixing rods fixed on the inner side of the turntable, and the other ends of the fixing rods are both in sliding connection with the central shaft and slide along the axial direction of the central shaft.
Further, a plurality of sliding grooves corresponding to the fixing rods are formed in the outer surface of the central shaft along the length direction, sliding blocks are connected in a sliding mode and connected with the corresponding fixing rods in a sliding mode, and one side of each sliding block is connected with the inner wall of each sliding groove through a connecting spring.
Further, the traction assembly comprises a movable column, a fixed plate, a movable plate, a return spring, a telescopic rod, a mounting plate and an electromagnet, wherein the fixed plate, the movable plate and the mounting plate are arranged in parallel from top to bottom, the fixed plate and the inside of a door frame are fixedly connected, the movable column is longitudinally and slidably inserted into the fixed plate, the fixed plate and the movable plate are connected through a plurality of telescopic rods, the outside of the telescopic rod is sleeved with the return spring, the electromagnet is arranged on the mounting plate and fixedly connected with the bottom end of the movable column, the positioning pin is a magnetic metal product, and the electromagnet is externally connected with a power supply.
Further, the middle part of the outer side surface of the locating pin is provided with a second locating sensor, one side of a rising channel of the locating pin in the door frame is also provided with a first locating sensor, the first locating sensor and the second locating sensor are respectively infrared emission and receiving sensors, the top of the locating pin is also provided with a locating clamping groove, a locating mechanism is arranged in the door frame to fix the position of the locating pin, and a controller is further arranged in the door frame and is electrically connected with the locating mechanism, the first locating sensor and the second locating sensor.
Further, the positioning mechanism comprises a positioning cam and a motor, wherein the motor is arranged in the door frame, the positioning cam is horizontally arranged and connected to an output shaft of the motor, and the motor works to drive the positioning cam to rotate so as to be inserted into a positioning clamping groove on the positioning pin.
The beneficial effects of the application are as follows:
the door frame can be matched with one doorsill to be installed and used to form a single door, or the door frame and the doorsill form a two-door structure, so that the door frame can be selectively used according to actual conditions, the applicability is strong, and the door frame is convenient to install and use in door openings with different sizes.
The doorsill is detachably connected with the foundation, the doorsill is convenient to fix in position, the doorsill and the doorframe are independently used, and the doorsill can stay on the foundation when the door is opened to play a role in blocking.
The application can also drive the locating pin to rise through the cooperation of the traction component and the driving component, the locating pin rises to drive the doorsill and the foundation to separate and gradually approach the door frame, meanwhile, after the locating pin moves upwards to the limit position, the bottom end of the locating pin is just in the same plane with the bottom surface of the doorsill, and the top surface of the doorsill is attached and contacted with the bottom surface of the door frame at the moment, so that the doorsill and the door frame form an integral structure, a door opening can be smoothly opened, the crowd is facilitated, vehicles or other equipment can pass conveniently, and the door frame has a good emergency treatment function.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a door frame in embodiment 1 of a civil air defense engineering door according to the present application;
FIG. 2 is an enlarged view of the A position of FIG. 1 of the civil air defense door provided by the application;
FIG. 3 is an enlarged view of the position B of FIG. 1 of the civil air defense door provided by the application;
fig. 4 is a schematic view of a locating pin structure of an embodiment 1 of a civil air defense engineering door according to the present application;
FIG. 5 is a view showing the inside of a threshold of a civil air defense engineering door;
fig. 6 is a schematic view of a threshold three-dimensional structure of a civil air defense engineering door according to the present application;
fig. 7 is a schematic structural view of a protective cover of a civil air defense engineering door provided by the application;
fig. 8 is a schematic structural diagram of a turntable unit of a civil air defense engineering door provided by the application;
fig. 9 is a schematic view of a door frame structure in embodiment 2 of a civil air defense door according to the present application;
fig. 10 is a schematic view of a locating pin structure in embodiment 2 of a civil air defense door according to the present application;
fig. 11 is an enlarged view of a person protection door at C in fig. 9.
Icon: door frame 1, guide hole 101, threshold 2, through hole 201, flaring 202, connecting hole 203, groove 204, limit clamping groove 205, foundation 3, pin hole 301, positioning pin 4, mounting groove 401, bar groove 402, positioning clamping groove 403, first positioning sensor 6, positioning cam 7, motor 8, guide wheel 5, elastic member 9, rotation pin 10, movable column 11, fixed plate 12, movable plate 13, return spring 14, connecting rod 15, mounting plate 16, electromagnet 17, toothed plate 18, end cap 19, bump 20, second positioning sensor 21, internal gear 22, transmission shaft 23, external gear 24, limit stop 25, limit section 26, external gear 27, extrusion block 28, driving gear 29, central shaft 30, shield 31, flange 32, jack 33, accommodation groove 34, perforation 35, turntable 36, fixed rod 37, slider 38, chute 39, and connecting spring 40.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present application, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is conventionally put when the product of the application is used, or the orientation or positional relationship that is conventionally understood by those skilled in the art, or the orientation or positional relationship that is conventionally put when the product of the application is used, which is merely for convenience of describing the present application and simplifying the description, and is not indicative or implying that the referred civil air defense door or element must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to fig. 1 and 9, a civil air defense engineering door comprises a door frame 1 and a door sill 2, wherein the door sill 2 is detachably connected with a foundation 3 below the door sill.
Referring to fig. 3 and 9, a plurality of guide holes 101 are formed in the bottom of the door frame 1, a plurality of pin holes 301 corresponding to the guide holes 101 are formed in the foundation 3, and through holes 201 corresponding to the pin holes 301 are formed in the door sill 2.
Referring to fig. 5, the bottom ports of the through holes 201 are respectively provided with a flaring 202, each through hole 201 is internally inserted with a positioning pin 4, and the bottom ends of the positioning pins 4 are inserted into the corresponding pin holes 301.
Referring to fig. 4, a plurality of mounting grooves 401 are circumferentially distributed at the bottom end of the positioning pin 4, each mounting groove 401 is rotatably connected with a rotary pin 10 through a pin shaft, the top end of the rotary pin 10 is a movable end, and the rotary pin 10 is connected with the inner wall of the mounting groove 401 through a torsion spring.
Referring to fig. 5 and 6, the threshold 2 is provided with a driving assembly to drive each positioning pin 4 therein to move upwards, when the positioning pin 4 moves until the rotating pin 10 is located in the flared opening 202, the movable end of the rotating pin 10 extends out of the mounting groove 401, and the top end of the rotating pin 10 abuts against the inner bottom surface of the corresponding flared opening 202.
Referring to fig. 5 and 6, a groove 204 is formed in one side of each of the two doorsills 2, and a pressing block 28 is movably inserted into the groove 204 through a spring, so that the two doorsills are more convenient to butt joint, are not easy to damage, and bring convenience to installation and use.
Referring to fig. 1 and 9, a traction assembly is further arranged in the door frame 1 to drive each positioning pin 4 to ascend.
Referring to fig. 1 and 9, further, a plurality of guide wheels 5 are installed on two sides of the ascending channel of the positioning pin 4 in the door frame 1 to guide the positioning pin 4 to ascend, and the positioning pin 4 has a cylindrical structure.
Referring to fig. 3 and 11, the bottom in each pin hole 301 is provided with an elastic member 9, and the elastic member 9 may be used by a columnar spring, so that the positioning pin 4 may play a supporting role, and the periphery of the inner wall of the top port of the through hole 201 is provided with a limit slot 205, the top end of the positioning pin 4 is rotatably sleeved with an end cover 19, the side surface of the end cover 19 is provided with a bump 20 corresponding to the limit slot 205, the end cover 19 is selected to enable the bump 20 to be located in the corresponding limit slot 205, at this time, the position of the positioning pin 4 is fixed, and when the rotation is performed to enable each bump 20 to be disengaged from the limit slot 205, the positioning pin 4 may be longitudinally moved.
Referring to fig. 5 and 6, the driving assembly includes a toothed plate 18, an inner gear 22, a driving shaft 23, and an outer gear 27, wherein the toothed plate 18 is fixedly connected with the inner gear 22 along the length direction of the positioning pin 4, the inner gear 22 is installed in the threshold 2 and is meshed with the toothed plate 18, the driving shaft 23 penetrates through the threshold 2, a connecting hole 203 is formed in the threshold 2 to facilitate the rotation and installation of the driving shaft 23, the inner end of the driving shaft 23 is connected with the inner gear 22, the outer end of the driving shaft 23 is connected with the outer gear 27, and the driving assembly further includes a driving mechanism for driving each outer gear 27 to rotate in the same direction. Wherein, the side of locating pin 4 has offered the bar groove 402 that extends along its length direction, installs pinion rack 18 in bar groove 402 for locating pin 4 longitudinal movement is more convenient, and wherein bar groove 402 protrusion is in locating pin 4's outer wall, in order to avoid internal gear 22 to interfere the longitudinal movement of locating pin 4, uses more reliably.
Referring to fig. 5, 6 and 7, further, the driving mechanism includes a driving gear 29, a central shaft 30, one end of the central shaft 30 is rotatably connected with the outer surface of the threshold 2, the central shaft 30 is fixedly provided with the driving gear 29, the outer side surface of the threshold 2 is further horizontally slidably connected with a plurality of external racks 24, the external racks 24 are engaged with the driving gear 29 and each external gear 27, and the turntable unit is installed at the other end of the central shaft 30.
Referring to fig. 7 and 8, the outer side of the threshold 2 is provided with a protective cover 31 for accommodating the driving assembly, a circle of convex edges 32 is provided around the shell of the protective cover 31, a plurality of insertion holes 33 are distributed on the convex edges 32, the protective cover 31 is fixed on the outer side of the threshold 2 by installing bolts at the insertion holes 33, the middle part of the protective cover 31 is also provided with a through hole 35, the tail end of the central shaft 30 passes through the through hole 35 and then is connected with the turntable unit, and the periphery of the through hole 35 is provided with accommodating grooves 34 for accommodating the turntable unit.
Referring to fig. 8, the turntable unit includes an annular turntable 36 and a plurality of fixing rods 37 fixed on the inner side of the turntable 36, wherein the other ends of the fixing rods 37 are slidably connected to the central shaft 30 and slide along the axial direction of the central shaft 30.
Referring to fig. 8, as a further improvement of the above-mentioned scheme, the outer surface of the central shaft 30 is provided with a plurality of sliding grooves 39 corresponding to the fixing rods 37 along the length direction, the sliding grooves 39 are slidably connected with sliding blocks 38 corresponding to the fixing rods 37, and one side of each sliding block 38 is connected with the inner wall of each sliding groove 39 through a connecting spring 40.
Referring to fig. 2, further, the traction assembly includes a movable column 11, a fixed plate 12, a movable plate 13, a return spring 14, a telescopic rod 15, a mounting plate 16, and an electromagnet 17, wherein the fixed plate 12, the movable plate 13, and the mounting plate 16 are disposed in parallel from top to bottom, the fixed plate 12 is fixedly connected with the inside of the door frame 1, the movable column 11 is longitudinally slidably inserted into the fixed plate 12, the fixed plate 12 is connected with the movable plate 13 through a plurality of telescopic rods 15, the outer side of the telescopic rod 15 is sleeved with the return spring 14, the electromagnet 17 is disposed on the mounting plate 16 and fixedly connected with the bottom end of the movable column 11, the positioning pin 4 is a magnetic metal product, and the electromagnet 17 is externally connected with a power supply.
Example 2:
referring to fig. 9 and 10, a second positioning sensor 21 is disposed in the middle of the outer side surface of the positioning pin 4, a first positioning sensor 6 is further mounted on one side of the ascending channel of the positioning pin 4 in the door frame 1, the first positioning sensor 6 and the second positioning sensor 21 are respectively infrared transmitting and receiving sensors, a positioning slot 403 is further formed in the top of the positioning pin 4, a positioning mechanism is disposed in the door frame 1 to fix the position of the positioning pin 4, and a controller is further disposed in the door frame 1 and electrically connected with the positioning mechanism and the first positioning sensor 6 and the second positioning sensor 21.
Referring to fig. 9, the positioning mechanism includes a positioning cam 7 and a motor 8, wherein the motor 8 is installed in the door frame 1, the positioning cam 7 is horizontally disposed and coupled to an output shaft of the motor 8, and the motor 8 works to drive the positioning cam 7 to rotate so as to be inserted into a positioning slot 403 on the positioning pin 4. This example was a further modification of example 1, and the rest of the structure was the same as example 1.
In operation, the door frame 1 is matched with one door sill 2 to be installed and used to form a single door, or two pairs of door frames 1 and 2 are combined to form a double door structure, so that the double door structure can be selected and used according to actual conditions; when the positioning pin 4 is required to be completely opened, the central shaft 30 is driven to rotate through the turntable unit, the central shaft 30 rotates to drive the driving gears 29 on the central shaft 30 to rotate along with the rotation, the driving gears are meshed with the external gears 27 to drive the corresponding external gears to slide, so as to drive the internal gears 22 to correspondingly rotate, the internal gears 22 are meshed with the toothed plate 18 on the outer side of the positioning pin 4, and finally the positioning pin 4 is driven to rise, when the positioning pin 4 rises to the position that the rotating pin 10 on the positioning pin is positioned in the flaring 202 of the through hole 201, the rotating pin 10 rotates outwards under the action of the restoring force of the torsion spring due to the diameter of the flaring 202 being larger than the through hole, the positioning pin 4 continues to rise, the top end of the rotating pin 10 is abutted to the inner bottom surface of the flaring 202 to drive the doorsill 2 to rise along with the rising, after the electromagnet 17 in the device is electrified, the magnetic force of the electromagnet is adsorbed to continuously rise until the corresponding positioning pin 4 is contacted with the positioning pin, and after the positioning pin 4 moves upwards to the limit position, the bottom end of the positioning pin 4 is just in the same plane with the bottom surface of the doorsill 2, and the top surface of the doorsill 2 is contacted with the bottom surface of the doorsill 1, so that the two forms an integral structure, the door is not convenient for opening or other vehicles, and other traffic door traffic can be stopped conveniently.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. The civil air defense engineering door is characterized by comprising a door frame (1) and a doorsill (2), wherein the doorsill (2) is detachably connected with a foundation (3) below the doorsill;
a plurality of guide holes (101) are formed in the bottom of the door frame (1), a plurality of pin holes (301) corresponding to the guide holes (101) are formed in the foundation (3), and through holes (201) corresponding to the pin holes (301) are formed in the door threshold (2);
the bottom ports of the through holes (201) are respectively provided with a flaring (202), positioning pins (4) are respectively inserted into each through hole (201), and the bottom ends of the positioning pins (4) are inserted into corresponding pin holes (301);
a plurality of mounting grooves (401) are circumferentially distributed at the bottom end of the positioning pin (4), a rotating pin (10) is rotatably connected in each mounting groove (401) through a pin shaft, the top end of the rotating pin (10) is a movable end, and the rotating pin (10) is connected with the inner wall of each mounting groove (401) through a torsion spring;
the driving assemblies are arranged on the doorsill (2) to drive all positioning pins (4) in the doorsill to move upwards, when the positioning pins (4) move to the positions of the rotating pins (10) in the flaring (202), the movable ends of the rotating pins (10) extend out of the mounting grooves (401), and the top ends of the rotating pins (10) are abutted against the inner bottom surfaces of the corresponding flaring (202);
a traction assembly is further arranged in the door frame (1) to drive each positioning pin (4) to ascend; the traction assembly comprises a movable column (11), a fixed plate (12), a movable plate (13), a return spring (14), a telescopic rod (15), a mounting plate (16) and an electromagnet (17), wherein the fixed plate (12), the movable plate (13) and the mounting plate (16) are arranged in parallel from top to bottom, the fixed plate (12) is fixedly connected with the inside of a door frame (1), the movable column (11) is longitudinally and slidably inserted into the fixed plate (12), the fixed plate (12) and the movable plate (13) are connected through a plurality of telescopic rods (15), the return spring (14) is sleeved on the outer side of the telescopic rod (15), the electromagnet (17) is arranged on the mounting plate (16) and fixedly connected with the bottom end of the movable column (11), a positioning pin (4) is a magnetic metal product, and the electromagnet (17) is externally connected with a power supply; the middle part of the outer side surface of the locating pin (4) is provided with a second locating sensor (21), one side of a rising channel of the locating pin (4) in the door frame (1) is also provided with a first locating sensor (6), the first locating sensor (6) and the second locating sensor (21) are respectively infrared emission and receiving sensors, the top of the locating pin (4) is also provided with a locating clamping groove (403), a locating mechanism is arranged in the door frame (1) to fix the position of the locating pin (4), and a controller is also arranged in the door frame (1) and is electrically connected with the locating mechanism, the first locating sensor (6) and the second locating sensor (21);
the driving assembly comprises a toothed plate (18), an inner gear (22), a transmission shaft (23) and an outer gear (27), wherein the toothed plate (18) is fixedly connected with the positioning pin (4) along the length direction of the positioning pin, the inner gear (22) is installed in a threshold (2) and meshed with the toothed plate (18), the transmission shaft (23) penetrates through the threshold (2), the inner end of the transmission shaft (23) is connected with the inner gear (22), the outer end of the transmission shaft (23) is connected with the outer gear (27), and the driving assembly further comprises a driving mechanism for driving all the outer gears (27) to rotate in the same direction.
2. The civil air defense door according to claim 1, wherein a plurality of guide wheels (5) are installed on two sides of the ascending channel of the locating pin (4) in the door frame (1) to guide the locating pin (4) to ascend, and the locating pin (4) is of a cylindrical structure.
3. The civil air defense door according to claim 1, wherein the driving mechanism comprises a driving gear (29), a central shaft (30) and a turntable unit, one end of the central shaft (30) is rotationally connected with the outer surface of the doorsill (2), the driving gear (29) is fixedly arranged on the central shaft (30), the outer side surface of the doorsill (2) is horizontally and slidingly connected with a plurality of outer racks (24), the outer racks (24) are meshed with the driving gear (29) and each outer gear (27), and the turntable unit is arranged at the other end of the central shaft (30).
4. A civil air defense construction door according to claim 3, wherein the outer side of the threshold (2) is provided with a protective cover (31) for accommodating the driving assembly, a circle of convex edges (32) are arranged around the shell of the protective cover (31), a plurality of insertion holes (33) are distributed on the convex edges (32), the protective cover (31) is fixed on the outer side of the threshold (2) by installing bolts at the insertion holes (33), the middle part of the protective cover (31) is provided with a perforation (35), the tail end of the central shaft (30) penetrates through the perforation (35) and then is connected with the turntable unit, and accommodating grooves (34) are formed around the perforation (35) so as to accommodate the turntable unit.
5. The civil air defense door according to claim 4, wherein the turntable unit comprises an annular turntable (36) and a plurality of fixing rods (37) fixed on the inner side of the turntable (36), and the other ends of the fixing rods (37) are slidably connected to the central shaft (30) and slide along the axial direction of the central shaft (30).
6. The civil air defense door according to claim 5, wherein the outer surface of the central shaft (30) is provided with a plurality of sliding grooves (39) corresponding to the fixing rods (37) along the length direction, the sliding grooves (39) are slidably connected with sliding blocks (38) connected with the corresponding fixing rods (37), and one side of each sliding block (38) is connected with the inner wall of each sliding groove (39) through a connecting spring (40).
7. The civil air defense door according to claim 1, wherein the positioning mechanism comprises a positioning cam (7) and a motor (8), wherein the motor (8) is installed in the door frame (1), the positioning cam (7) is horizontally arranged and connected to an output shaft of the motor (8), and the motor (8) works to drive the positioning cam (7) to rotate so as to be inserted into a positioning clamping groove (403) on the positioning pin (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111390333.6A CN114016877B (en) | 2021-11-23 | 2021-11-23 | Civil air defense engineering door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111390333.6A CN114016877B (en) | 2021-11-23 | 2021-11-23 | Civil air defense engineering door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114016877A CN114016877A (en) | 2022-02-08 |
| CN114016877B true CN114016877B (en) | 2023-08-18 |
Family
ID=80065525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111390333.6A Active CN114016877B (en) | 2021-11-23 | 2021-11-23 | Civil air defense engineering door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114016877B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266838A (en) * | 2013-05-21 | 2013-08-28 | 中国人民解放军总参谋部工程兵第四设计研究院 | Threshold-free civil defense door of doorway |
| CN206608054U (en) * | 2017-03-02 | 2017-11-03 | 上海地空防护设备有限公司 | A kind of threshold hand-held closed guard gate for people's air defense gateway |
| CN208473596U (en) * | 2018-05-30 | 2019-02-05 | 天津津旺人防设备有限公司 | A kind of movable closed guard gate of threshold |
| CN212898204U (en) * | 2020-06-24 | 2021-04-06 | 山西蓝天盾石人防设备有限公司 | Reinforced concrete movable threshold airtight door |
| CN213573707U (en) * | 2020-09-27 | 2021-06-29 | 温州大丰人防设备有限公司 | Sealed door with movable threshold |
-
2021
- 2021-11-23 CN CN202111390333.6A patent/CN114016877B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266838A (en) * | 2013-05-21 | 2013-08-28 | 中国人民解放军总参谋部工程兵第四设计研究院 | Threshold-free civil defense door of doorway |
| CN206608054U (en) * | 2017-03-02 | 2017-11-03 | 上海地空防护设备有限公司 | A kind of threshold hand-held closed guard gate for people's air defense gateway |
| CN208473596U (en) * | 2018-05-30 | 2019-02-05 | 天津津旺人防设备有限公司 | A kind of movable closed guard gate of threshold |
| CN212898204U (en) * | 2020-06-24 | 2021-04-06 | 山西蓝天盾石人防设备有限公司 | Reinforced concrete movable threshold airtight door |
| CN213573707U (en) * | 2020-09-27 | 2021-06-29 | 温州大丰人防设备有限公司 | Sealed door with movable threshold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114016877A (en) | 2022-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114016877B (en) | Civil air defense engineering door | |
| CN213654649U (en) | Rotatable civil air defense door | |
| CN112814527A (en) | Lifting doorsill | |
| CN113184009A (en) | Wind resistance braking device and rail train | |
| EP3559500A1 (en) | Gas spring with a lock | |
| CN112647796A (en) | Supporting structure and explosion-proof people's air defense emergency exit | |
| CN209908112U (en) | Clutch type door lock | |
| CN110645046A (en) | Tunnel fire door and tunnel fire system | |
| CN214786960U (en) | Emergency evacuation automatically-controlled door | |
| CN213450069U (en) | Protective airtight shielding door | |
| CN112302489A (en) | Sliding type civil air defense door | |
| WO2014165207A2 (en) | Driver's hatch | |
| CN113006656A (en) | High-efficient protection building door | |
| CN108533115B (en) | Driving assembly of electric sliding door and window | |
| CN107130890B (en) | Anti-theft window | |
| CN220247883U (en) | Linkage electrically operated gate of telescopic water cannon | |
| CN211943112U (en) | Automobile door opening anti-collision system based on bidirectional interaction technology | |
| CN201433698Y (en) | Slide device for rolling door and slide steering mechanism formed by slide device | |
| CN215485387U (en) | Protective airtight door with improved locking mechanism | |
| CN220487299U (en) | Positioning structure of sliding door | |
| CN219638706U (en) | Civil air defense door with escape function | |
| CN215097452U (en) | Cab isolation device and vehicle | |
| CN220395538U (en) | Anticorrosion antiknock civil air defense protection equipment for urban rail transit | |
| CN210798727U (en) | People's air defense door with doorsill at entrance and exit | |
| CN220869049U (en) | Impact rotary lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230725 Address after: Yongzhou Hotel, No.59 Xinmin Road, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region Applicant after: Guangxi Nanning Civil Air Defence Equipment Co.,Ltd. Address before: 611130 Room 802, building 10, Guanghua international, 188 Renhe Road, Wenjiang District, Chengdu City, Sichuan Province Applicant before: Xu Lei |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |