CN113982436A - Reinforced concrete structure people's air defense door - Google Patents
Reinforced concrete structure people's air defense door Download PDFInfo
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- CN113982436A CN113982436A CN202111225968.0A CN202111225968A CN113982436A CN 113982436 A CN113982436 A CN 113982436A CN 202111225968 A CN202111225968 A CN 202111225968A CN 113982436 A CN113982436 A CN 113982436A
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- door
- air defense
- reinforced concrete
- concrete structure
- civil air
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- 230000007123 defense Effects 0.000 title claims abstract description 54
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000000149 penetrating effect Effects 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 claims description 12
- 239000004567 concrete Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 27
- 230000008569 process Effects 0.000 description 20
- 230000000694 effects Effects 0.000 description 12
- 241000196324 Embryophyta Species 0.000 description 9
- 238000005381 potential energy Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- 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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F7/00—Accessories for wings not provided for in other groups of this subclass
- E05F7/06—Devices for taking the weight of the wing, arranged away from the hinge axis
-
- 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
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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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
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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
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Special Wing (AREA)
Abstract
The application relates to a reinforced concrete structure civil air defense door, mainly relating to the technical field of civil air defense doors, which comprises a door frame fixedly arranged on a wall body, a protective door body rotationally connected with the door frame, a locking mechanism arranged on the protective door body, a steering power-assisted mechanism arranged in the protective door body in a penetrating way and a split type doorsill arranged on the door frame; the steering assisting mechanism comprises a spring, a limiting rod, a bearing wheel and a positioning pin, wherein one end of the spring is abutted to the protective door body, the limiting rod is arranged in the protective door body in a penetrating mode and is fixedly connected with the other end of the spring, the bearing wheel is arranged at the bottom end of the limiting rod, and the positioning pin is arranged on the limiting rod in a penetrating mode. This application has the characteristics that use is lightly opened and close easily.
Description
Technical Field
The application relates to the technical field of civil air defense doors, in particular to a civil air defense door with a reinforced concrete structure.
Background
The civil air defense door is installed at the entrance and the exit of the civil protection engineering and has the functions of shock resistance, explosion resistance, fire resistance and the like. The civil air defense door plays a decisive role in the overall protective performance of civil protection engineering, and in order to meet the protection requirements of higher and higher levels, the civil air defense door begins to adopt materials such as reinforced concrete and the like to increase the protective performance of the civil air defense door.
Because the civil air defense door made of heavy materials such as reinforced concrete, steel plates and the like has larger dead weight, the condition that the opening and closing process is time-consuming and labor-consuming usually exists. When an emergency occurs, the civil air defense door is difficult to achieve the protection requirement of rapid closing.
Aiming at the related technologies, the inventor finds that the existing reinforced concrete civil air defense door has the defects of time and labor waste in the opening and closing process.
Disclosure of Invention
In order to make the open and close process of reinforced concrete people's air defense door more swift laborsaving, this application provides a reinforced concrete structure people's air defense door.
The application provides a reinforced concrete structure people's air defense door adopts following technical scheme:
a reinforced concrete structure civil air defense door comprises a door frame fixedly arranged on a wall body, a protective door body rotationally connected with the door frame, a locking mechanism arranged on the protective door body, a steering power-assisted mechanism penetrating the protective door body and a split type doorsill arranged on the door frame; the steering assisting mechanism comprises a spring, a limiting rod, a bearing wheel and a positioning pin, wherein one end of the spring is abutted to the protective door body, the limiting rod is arranged in the protective door body in a penetrating mode and is fixedly connected with the other end of the spring, the bearing wheel is arranged at the bottom end of the limiting rod, and the positioning pin is arranged on the limiting rod in a penetrating mode.
By adopting the technical scheme, the protective door body plays a role in sealing and protection, the locking mechanism arranged on the protective door body can fix and lock the protective door body and the doorframe, the protective effect of the protective door body on impact resistance is further enhanced, the split doorsill can be installed on the doorframe when in use demand, the protective performance of the protective door is further increased, the influence caused by the convenience of coming in and going out of a person under the non-necessary condition is avoided, the limiting rod in the steering power-assisted mechanism can slide downwards under the action of spring elasticity and push the bearing wheel, the bearing wheel is contacted with the ground, the bearing wheel plays a role in supporting the protective door body, the friction between the protective door body and the ground and at the joint of the doorframe and the door frame is reduced, the resistance on the opening and closing process of the civil air defense door is reduced, and the opening and closing process of the reinforced concrete civil air defense door is more rapid and labor-saving.
Optionally, the protective door body includes a plurality of connectors that rotate to be connected with the door frame, a door plant fixedly connected with the connectors, a plurality of reinforcing bars net of wearing to establish in the door plant and establish in the door plant cladding in the concrete layer of reinforcing bars net outside.
Through adopting above-mentioned technical scheme, the connecting piece of being connected with the rotation of guard gate body can make the guard gate body rotate around the door frame edge, makes the guard gate body realize opening and the function of closing, and the composite construction of this internal reinforcing bar net of guard gate and concrete layer can effectively increase the mechanical strength of guard gate body, has promoted the shock resistance of guard gate body, and the door plant has played the cladding to reinforcing bar net and concrete layer and has supported and the effect of stereotyping.
Optionally, the connecting piece comprises a connecting plate with one end connected with the door panel and gaskets arranged on two sides of the connecting plate; a plurality of circular through holes are formed in the gasket, and balls are arranged in the through holes.
Through adopting above-mentioned technical scheme, the connecting plate has played the effect of the door plant of connecting the guard gate body, installs the ball in the circular through-hole that the gasket of establishing the upper and lower two sides at the connecting plate was seted up, and the ball can reduce the frictional force between gasket and the door frame when the guard gate body was rotatory, has further reduced the guard gate body and has opened and close the resistance that the in-process received, makes opening and close of reinforced concrete people's air defense door process more swift laborsaving.
Optionally, a plurality of rib plates are arranged in the door plate, and a plurality of through holes for penetrating the reinforcing mesh are formed in the rib plates.
Through adopting above-mentioned technical scheme, it can have the anti deformation mechanical strength who improves the door plant to establish the inboard gusset of door plant, the protective properties of guard gate body has further been promoted, the through-hole that is used for wearing to establish the reinforcing bar net that sets up on the gusset makes gusset and reinforcing bar net can assemble into a firm whole, make the reinforcing bar net pour the in-process at concrete layer and keep original position, the shaping effect on concrete layer has been promoted, the mechanical strength of concrete layer and reinforcing bar net composite construction has been increased, the protective properties of guard gate body has been promoted.
Optionally, one end of the door frame, which is close to the ground, is provided with a plurality of fixing plates, each fixing plate is provided with a sliding groove, and the split type doorsill is in sliding connection with the corresponding fixing plate.
Through adopting above-mentioned technical scheme, establish at the fixed plate that the door frame is close to ground one end and split type threshold sliding connection's structural design has simplified the process of split type threshold dismouting, has reduced the required time of split type threshold dismouting, has promoted the use convenience and the security of this application.
Optionally, the locking mechanism includes a plurality of limiting cylinders fixed on the protective door body, a lock rod penetrating through the limiting cylinders, a traction plate hinged to one end of the lock rod away from the door frame, a lead screw hinged to one end of the traction plate away from the lock rod, a bevel gear nut sleeved on the lead screw, a housing sleeved outside the lead screw, and a hand wheel penetrating through the housing; the traction plate is hinged with the protective door body; and a rotating shaft of the hand wheel is meshed with a bevel gear nut.
Through adopting above-mentioned technical scheme, the user can rotate the hand wheel and drive the wheel shaft rotation, and it is rotatory to drive the bevel gear nut who meshes mutually with the hand wheel shaft, make the lead screw take place to slide to one side, the lead screw drives the traction plate and takes place to rotate along one side, the locking lever takes place to slide in spacing section of thick bamboo under the traction plate pivoted effect, and finally realize opening or the effect of locking guard gate body, the casing is to the bevel gear nut, lead screw and hand wheel have played support and spacing effect, bevel gear nut and lead screw complex structural design are simple reliable, be difficult for taking place mechanical failure, the hand wheel structure makes the open and close process of reinforced concrete people's air defense door more laborsaving.
Optionally, the door frame is provided with a plurality of lock cylinders matched with the lock rod on the same side as the locking mechanism, and the lock cylinders are obliquely provided with guide plates.
Through adopting above-mentioned technical scheme, the deflector of slope in establishing a lock section of thick bamboo can insert the in-process of a lock section of thick bamboo at the locking lever and play the guide effect to the slip of locking lever to produce thrust to the locking lever, then use on the protective door body with thrust through the locking lever, make the protective door body inseparabler with the combination of door frame when the locking state, increased the leakproofness of this application, further promoted the barrier propterty of this application.
Optionally, the traction plate includes a traction portion hinged to the lock rod, a connection portion hinged to the lead screw, and a buckle for connecting the traction portion and the connection portion.
Through adopting above-mentioned technical scheme, the split type design that the traction plate two parts formed through the buckle connection can the person of facilitating the use become two parts with the traction plate split, when extreme condition such as earthquake or explosion impact received locking mechanism takes place the dead mechanical fault of card, the user can promote the buckle with the traction plate split, makes the traction portion and the connecting portion of traction plate break away from for the locking lever can directly take out from spacing hole, makes the user also can open the guard gate body when locking mechanism takes place mechanical fault.
Optionally, the edge of the bottom end of the split type threshold is provided with a sealing rubber strip.
Through adopting above-mentioned technical scheme, the joint strip of split type threshold bottom edge installation can increase the contact leakproofness of split type threshold and door frame, has improved the gas tightness of this application to the barrier propterty of this application has been promoted.
Optionally, a buffering door closer is arranged at the top end of the door frame, and the other end of the buffering door closer is connected with the protective door body.
By adopting the technical scheme, the buffering door closer arranged at the top end of the door frame can store kinetic energy and convert the kinetic energy into potential energy of the hydraulic spring in the buffering door closer in the opening process of the protective door, and the potential energy is converted into the kinetic energy of the protective door body in the closing process of the protective door body, so that the reinforced concrete civil air defense door is more quick and labor-saving in the opening process.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the protective door body plays a role in sealing and protection, the locking mechanism arranged on the protective door body can fix and lock the protective door body and the door frame, the protection effect of the protective door body against impact is further enhanced, the split type doorsill can be mounted on the door frame when in use demand, the protection performance of the protective door is further improved, the influence on the convenience of people in and out under the unnecessary condition is avoided, the limiting rod in the steering power-assisted mechanism can slide downwards under the action of spring elasticity and push the bearing wheel, the bearing wheel is contacted with the ground, the bearing wheel plays a role in supporting the protective door body, the friction between the protective door body and the ground and the joint of the door frame is reduced, the resistance on the opening and closing process of the civil defense door is reduced, and the opening and closing process of the reinforced concrete civil defense door is quicker and labor-saving;
2. the connecting plate plays a role in connecting the door plate of the protective door body, the balls are arranged in the circular through holes formed in the gaskets arranged on the upper surface and the lower surface of the connecting plate, and can reduce the friction force between the gaskets and the door frame when the protective door body rotates, so that the resistance force applied to the protective door body in the opening and closing process is further reduced, and the reinforced concrete civil air defense door is quicker and more labor-saving in the opening and closing process;
3. the buffering door closer of establishing on door frame top in this application can open the in-process at the guard gate and store kinetic energy and convert the potential energy of buffering hydraulic spring in the door closer to in-process that the guard gate body was closed converts the kinetic energy of guard gate body into with the potential energy, makes the more swift laborsaving of opening process of reinforced concrete people's air defense door.
Drawings
Fig. 1 is a civil air defense diagram of a reinforced concrete structure disclosed in an embodiment of the present application.
Fig. 2 is a schematic sectional structure view of a protective door body in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a connecting member in the embodiment of the present application.
Fig. 4 is a view in the direction a of fig. 1.
FIG. 5 is a schematic structural diagram of a lock cylinder in an embodiment of the present application.
FIG. 6 is a schematic structural view of a locking mechanism in an embodiment of the present application.
Fig. 7 is a view from direction B of fig. 6.
Description of reference numerals: 1. a door frame; 11. a fixing plate; 12. a lock cylinder; 121. a guide plate; 2. a protective door body; 21. a connecting member; 22. a door panel; 23. a reinforcing mesh; 24. a concrete layer; 211. a connecting plate; 212. a gasket; 213. a ball bearing; 221. a rib plate; 3. a locking mechanism; 31. a limiting cylinder; 32. a lock lever; 33. a traction plate; 34. a lead screw; 35. a bevel gear nut; 36. a housing; 37. a hand wheel; 331. a traction part; 332. a connecting portion; 333. buckling; 4. a steering assist mechanism; 41. a spring; 42. a limiting rod; 43. a load-bearing wheel; 44. positioning pins; 5. a split threshold; 51. sealing rubber strips; 6. provided is a buffering door closer.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The civil air defense door is one of key structures which influence the whole quality and the protection effect of the civil air defense engineering. Higher and higher safety protection standards put higher demands on the mechanical performance of the civil air defense door. Therefore, the civil air defense door is started to adopt heavy materials such as reinforced concrete mixed structures and the like to improve the mechanical performance. This has also led to the dead weight of this type of people's air defense door great, and resistance such as the frictional force that the in-process of opening and close is also great, uses comparatively difficultly, is difficult to satisfy the operation requirement of closing rapidly when emergency takes place. In order to make the process of opening and close of heavy people's air defense door more swift laborsaving, this application embodiment provides a reinforced concrete structure people's air defense door.
The embodiment of the application discloses reinforced concrete structure people's air defense door. Referring to fig. 1 and 2, the reinforced concrete structure civil air defense door includes a door frame 1, a protective door body 2, a locking mechanism 3, a steering power-assisted mechanism 4 and a split type doorsill 5. Wherein, door frame 1 fixed mounting is on civil air defense engineering wall body, and protective door body 2 is installed on door frame 1 through articulated mode, and locking mechanism 3 installs in protective door body 2's one side, turns to assist drive device 4 and installs in protective door body 2, and split type threshold 5 installs at protective door body 2's another side, and split type threshold 5 installs on door frame 1 through sliding connection's mode.
Referring to fig. 4 and 5, door frame 1 passes through bolt fixed mounting on the wall body of civil air defense engineering, door frame 1 installs a plurality of lock barrels 12 through bolted connection's mode in the homonymy with locking mechanism 3, the quantity of lock barrel 12 can be 2 in this application embodiment, lock barrel 12 is used for realizing locking mechanism 3 to the fastening shutting function of protective door body 2 with locking mechanism 3 cooperation, all install deflector 121 through the welded mode slope in every lock barrel 12, door frame 1 installs a plurality of fixed plates 11 through the welded mode in the opposite side with locking mechanism 3, the quantity of fixed plate 11 can be 2 in this application embodiment, fixed plate 11 is installed in the one end that door frame 1 is close to ground, fixed plate 11 is all seted up and is supplied split type threshold 5 male slot.
Referring to fig. 2 and 3, the protective door body 2 includes a connector 21, a door panel 22, a reinforcing mesh 23, and a concrete layer 24. The connecting member 21 includes a connecting plate 211 welded to the door panel 22 on a side away from the lock cylinder 12, spacers 212 are disposed on upper and lower sides of the connecting plate 211, a plurality of circular through holes are formed in the spacers 212, in this embodiment, the number of the circular through holes may be 6, a ball 213 is embedded in each circular through hole, a plurality of rib plates 221 are vertically welded between the door panels 22, rectangular through holes through which the mesh reinforcement 23 can pass are formed in the rib plates 221, the mesh reinforcement 23 and the rib plates 221 are vertically spliced into a whole, and then fixed to the inner side of the door panel 22 by welding, the concrete layer 24 is installed on the inner side of the door panel 22 by casting, and is coated on the outer sides of the mesh reinforcement 23 and the rib plates 221.
Referring to fig. 6 and 7, the locking mechanism 3 includes a limit cylinder 31, a lock lever 32, a traction plate 33, a lead screw 34, a bevel gear nut 35, a housing 36, and a hand wheel 37. Wherein, the limiting cylinders 31 are fixedly installed on the door panel 22 of the protective door body 2 by means of bolt connection, the limiting cylinders 31 can be provided in plurality, in the embodiment of the present application, the number of the limiting cylinders 31 can be 2, each limiting cylinder 31 is internally provided with a lock rod 32 in a penetrating manner, the traction plate 33 comprises a traction part 331, a connecting part 332 and a buckle 333, one end of the traction part 331 is hinged with the lock rod 32, the other end of the traction part 331 is hinged with the door panel 22 of the protective door body 2, the connecting part 332 is hinged with one end of a lead screw 34, the buckle 333 is sleeved on one end of the traction part 331 far away from the lock rod 32 and one end of the connecting part 332 far away from the lead screw 34, and the traction part 331 and the connecting part 332 are assembled into a detachable whole, the lead screw 34 is sleeved with a bevel gear nut 35, one end of a wheel shaft of the hand wheel 37 is sleeved with a bevel gear meshed with the bevel gear nut 35, the shell 36 is installed on the door panel 22 of the protective door body 2 by means of bolt connection, the shell 36 covers the outer sides of the wheel shafts of the screw rod 34, the bevel gear nut 35 and the hand wheel 37, and the shell 36 plays a limiting role in sliding of the screw rod 34 and rotation of the bevel gear nut 35.
Referring to fig. 2, the steering assist mechanism 4 includes a spring 41, a stopper rod 42, a bearing wheel 43, and a positioning pin 44. Wherein, spring 41 is located the inboard of guard gate body 2, welded mode and guard gate body 2's door plant 22 fixed connection is passed through to spring 41's one end, welded mode fixed connection is passed through on spring 41's the other end and gag lever post 42's the top, bearing wheel 43 is installed through the welded mode to gag lever post 42's bottom, bearing wheel 43 can be heavy load ball-type universal wheel, it has rectangular hole to open on the gag lever post 42, rectangular downthehole locating pin 44 that wears to be equipped with, welded mode and guard gate body 2's door plant 22 fixed connection is passed through at the both ends of locating pin 44, locating pin 44 plays limiting displacement to gag lever post 42's slip.
Referring to fig. 1 and 4, the split type threshold 5 may be a rectangular metal plate with slots formed in both sides, the split type threshold 5 is installed on the fixing plate 11 of the door frame 1 in a sliding connection manner, the bottom edge of the split type threshold 5 is provided with the sealing rubber strip 51 in a bonding manner by an adhesive, and the sealing rubber strip 51 may be a long strip made of industrial rubber. The sealing rubber strip 51 can improve the sealing performance between the split type threshold 5 and the ground, and the protection performance of the application is further enhanced.
Referring to fig. 1, a buffering door closer 6 is installed on the top end of the protective door body 2 on the same side as the locking mechanism 3 in a bolt connection mode, and the other end of the buffering door closer 6 is fixedly connected with the top end of the door frame 1 through a bolt. The buffering door closer 6 can store kinetic energy as the potential energy of hydraulic spring in the opening process of the protective door body 2, and can release when the protective door body 2 is closed, so that the closing process of the protective door body 2 is more labor-saving.
The implementation principle of a reinforced concrete structure people's air defense door of this application embodiment is: in daily life, this application is in normally open state, and split type threshold 5 is placed in one side of this application, can avoid causing the influence to the normal current of personnel's vehicle. When emergencies such as explosion, fire and the like occur, personnel hide and enter the interior of the civil air defense engineering and then close the civil air defense door. Firstly, the split type doorsill 5 is inserted into the fixing plate 11 to be fixed, then the civil air defense door body is pushed until the civil air defense door body is parallel to the doorframe 1, and then the hand wheel 37 is rotated to enable the lock rod 32 to enter the lock cylinder 12, so that the closing and the locking in the application are completed. The present application can be re-opened by rotating the hand wheel 37 in the opposite direction, and if the locking mechanism 3 is deformed and locked, and the hand wheel 37 cannot rotate, the operator can slide the buckle 333 to disconnect the traction portion 331 of the traction plate 33 from the connection portion 332, and then pull out the lock rod 32 from the limiting cylinder 31, so as to release the locking state of the protective door body 2.
The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a reinforced concrete structure people's air defense door which characterized in that: the safety door comprises a door frame (1) fixedly installed on a wall body, a protective door body (2) rotationally connected with the door frame (1), a locking mechanism (3) arranged on the protective door body (2), a steering power-assisted mechanism (4) penetrating through the protective door body (2) and a split type doorsill (5) arranged on the door frame; the steering assisting mechanism (4) comprises a spring (41) with one end abutted against the protective door body (2), a limiting rod (42) which is arranged in the protective door body (2) in a penetrating mode and fixedly connected with the other end of the spring (41), a bearing wheel (43) arranged at the bottom end of the limiting rod (42) and a positioning pin (44) arranged on the limiting rod (42) in a penetrating mode.
2. A reinforced concrete structure civil air defense door according to claim 1, wherein: the protective door body (2) comprises a plurality of connectors (21) rotatably connected with the door frame (1), a door plate (22) fixedly connected with the connectors (21), a plurality of reinforcing meshes (23) penetrating through the door plate (22) and a concrete layer (24) arranged on the outer side of the reinforcing meshes (23) and coated in the door plate (22).
3. A reinforced concrete structure civil air defense door according to claim 2, wherein: the connecting piece (21) comprises a connecting plate (211) and gaskets (212), wherein one end of the connecting plate (211) is connected with the door panel (22), and the gaskets (212) are arranged on two sides of the connecting plate (211); the gasket (212) is provided with a plurality of circular through holes, and balls (213) are arranged in the through holes.
4. A reinforced concrete structure civil air defense door according to claim 2, wherein: a plurality of rib plates (221) are arranged in the door plate (22), and a plurality of through holes for penetrating the reinforcing mesh (23) are formed in the rib plates (221).
5. A reinforced concrete structure civil air defense door according to claim 1, wherein: the door frame (1) is close to the one end on ground and is equipped with a plurality of fixed plates (11), the spout has been seted up on fixed plate (11), split type threshold (5) and fixed plate (11) sliding connection.
6. A reinforced concrete structure civil air defense door according to claim 1, wherein: the locking mechanism (3) comprises a plurality of limiting cylinders (31) fixed on the protective door body (2), a lock rod (32) penetrating through the limiting cylinders (31), a traction plate (33) hinged with one end of the lock rod (32) far away from the door frame (1), a lead screw (34) hinged with one end of the traction plate (33) far away from the lock rod (32), a bevel gear nut (35) sleeved on the lead screw (34), a shell (36) sleeved outside the lead screw (34), and a hand wheel (37) penetrating through the shell (36); the traction plate (33) is hinged with the protective door body (2); and a rotating shaft of the hand wheel (37) is meshed with the bevel gear nut (35).
7. A reinforced concrete structure civil air defense door according to claim 6, wherein: the door frame (1) is provided with a plurality of lock cylinders (12) matched with the lock rod (32) at the same side of the locking mechanism (3), and guide plates (121) are obliquely arranged in the lock cylinders (12).
8. A reinforced concrete structure civil air defense door according to claim 6, wherein: the traction plate (33) comprises a traction part (331) hinged with the lock rod (32), a connecting part (332) hinged with the lead screw (34) and a buckle (333) used for connecting the traction part (331) and the connecting part (332).
9. A reinforced concrete structure civil air defense door according to claim 1, wherein: and a sealing rubber strip (51) is arranged at the edge of the bottom end of the split type doorsill (5).
10. A reinforced concrete structure civil air defense door according to claim 1, wherein: the door frame (1) top is equipped with buffering door closer (6), the other end of buffering door closer (6) links to each other with guard gate body (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111225968.0A CN113982436B (en) | 2021-10-21 | 2021-10-21 | Reinforced concrete structure civil air defense door |
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| CN202111225968.0A CN113982436B (en) | 2021-10-21 | 2021-10-21 | Reinforced concrete structure civil air defense door |
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| CN113982436A true CN113982436A (en) | 2022-01-28 |
| CN113982436B CN113982436B (en) | 2023-09-05 |
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| CN202111225968.0A Active CN113982436B (en) | 2021-10-21 | 2021-10-21 | Reinforced concrete structure civil air defense door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Publication date |
|---|---|
| CN113982436B (en) | 2023-09-05 |
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