CN213775110U - Reinforced concrete protective airtight door - Google Patents
Reinforced concrete protective airtight door Download PDFInfo
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- CN213775110U CN213775110U CN202022496232.4U CN202022496232U CN213775110U CN 213775110 U CN213775110 U CN 213775110U CN 202022496232 U CN202022496232 U CN 202022496232U CN 213775110 U CN213775110 U CN 213775110U
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Abstract
The application relates to a reinforced concrete protective airtight door, which comprises a door frame embedded on a wall body and a door leaf hinged on the door frame, wherein a supporting seat and a lockset are fixedly connected on the inner side surface of the door leaf; the lockset comprises a connecting ring, a lock head and a rotating rod, wherein the connecting ring is rotatably connected to the rotating shaft, one end of the lock head is fixedly connected to the outer wall of the connecting ring, a clamping groove matched with the lock head is formed in the door frame, the rotating rod is fixedly connected to the outer wall of the connecting ring, and the end part of the rotating rod is provided with a driving mechanism for driving the rotating rod to rotate; along the first sealed piece of door leaf edge a week rigid coupling, first sealed piece is located the door leaf inner wall, and is located the supporting seat and keeps away from one side in the middle of the door leaf, is provided with the sealing strip of mutually supporting with first sealed piece on the door frame, is provided with the fixed subassembly of fixed sealing strip on the door frame. This application has the effect that improves the security of people's air defense door.
Description
Technical Field
The application relates to the field of civil air defense doors, in particular to a reinforced concrete protective airtight door.
Background
The reinforced concrete protective airtight doors are mostly civil air defense doors, the civil air defense doors are doors of entrances and exits of civil protection engineering, the classification of the civil air defense doors is more distinct, and the civil air defense doors comprise common single-leaf protective airtight doors, double-leaf protective airtight doors and airtight doors, and various civil air defense devices such as threshold single-leaf protective airtight doors, double-leaf protective airtight doors and airtight doors, the civil air defense is also called civil air defense, the civil air defense is an international common word, is a government actor and an organization crowd, and takes the activities of air defense, disaster resistance and relief measures, rescue actions are implemented, and disaster damage prevention and relief are realized, and the civil air defense doors belong to civil air defense protective devices.
The utility model discloses a china utility model that is open number at present is CN208220547U discloses a people's air defense door with shock wave resistance function, including people's air defense door body, switching device and door frame, switching device inlays in the door frame, switching device includes the motor, the spout, inserted bar and gear, motor output shaft even has electromagnetic clutch, the last switch pivot that is equipped with of electromagnetic clutch, gear and switch pivot fixed connection, electromagnetic clutch's one end even has the carousel is kept away from in the switch pivot, the carousel is located the rear side of people's air defense door body, the outside of carousel is equipped with a plurality of telescopic links that are the circumference and distribute, the other end of telescopic link even has spacing ball, gear engagement has the rack, the rack is fixed on the inserted bar, the rack is located the spout.
With respect to the related art in the above, the inventors consider that: above-mentioned scheme only locks people's air defense door with the inserted bar bottom the door leaf, and people's air defense door uses usually in adverse circumstances, only locks in the door leaf bottom, and the leakproofness is relatively poor except the bottom between door leaf and the door frame, influences people's air defense door overall seal effect, is unfavorable for the sealed between people's air defense door leaf and the door frame.
SUMMERY OF THE UTILITY MODEL
In order to improve the leakproofness of people's air defense door, this application provides a reinforced concrete protective airtight door.
The application provides a reinforced concrete protective airtight door adopts following technical scheme:
a reinforced concrete protective airtight door comprises a door frame embedded on a wall body and a door leaf hinged on the door frame, wherein a supporting seat and a lockset are fixedly connected on the inner side surface of the door leaf, one side of the door leaf is hinged on the door frame, the number of the supporting seats is four, each supporting seat is correspondingly arranged at one corner of the door leaf, and a rotating shaft is fixedly connected on the end surface of one end, far away from the door leaf, of each supporting seat; the lock comprises a connecting ring, a lock head and a rotating rod, wherein the connecting ring is rotatably connected to the rotating shaft, one end of the lock head is fixedly connected to the outer wall of the connecting ring, a clamping groove matched with the lock head is formed in the door frame, the rotating rod is fixedly connected to the outer wall of the connecting ring, one end of the rotating rod, far away from the connecting ring, faces to one side far away from the lock head, and the end part of the rotating rod is provided with a driving mechanism for driving the rotating rod to rotate; the door comprises a door leaf, a first sealing block fixedly connected along the edge of the door leaf, wherein the first sealing block is positioned on the inner wall of the door leaf and is positioned on one side of a supporting seat away from the middle of the door leaf, a sealing strip matched with the first sealing block is arranged on a door frame, and a fixing component for fixing the sealing strip is arranged on the door frame.
Through adopting above-mentioned technical scheme, when needs lock the people's air defense door, through drive actuating mechanism, go up the go-between rotation of revolving shaft on actuating mechanism drive tool to lock's the dwang, the tapered end also rotates along with the go-between, the tapered end becomes the horizontality by preceding vertical state, the tapered end gets into in the draw-in groove, make the door leaf fixed, therefore utilize the tool to lock can make the laminating between sealing strip and the first sealed piece inseparable, and under four tool to lock simultaneous actions, can all seal four corners of people's air defense door, be favorable to the overall sealing between door leaf and the door frame, the leakproofness of people's air defense door has been improved.
Optionally, the driving mechanism comprises a connecting rod, a rotating shaft and a first rocker, the connecting rods are vertically arranged on both sides of the door leaf, and both ends of the connecting rod are respectively hinged to the end parts of the two rotating rods on the same side of the door leaf, which are far away from one end of the connecting ring; the rotating shafts are arranged on one sides of the connecting rods, which are far away from the other connecting rod, and are positioned between the two locks on the same side of the door leaf, the rotating shafts are rotatably connected in the door leaf, and one end of each rotating shaft extends out of the inner side wall of the door leaf; one end of the first rocker is fixedly connected to one end, located on the inner side of the door leaf, of the rotating shaft, the other end of the first rocker is located on one side, away from the rotating shaft, of the connecting rod and inclines towards the bottom end of the door leaf, and the first rocker is hinged to the connecting rod; the driving mechanism further comprises a driving assembly used for driving the rocker to rotate.
Through adopting above-mentioned technical scheme, when needs drive dwang rotates, through drive actuating mechanism, actuating mechanism drive rocker revolutes the axis of rotation and rotates, and the rocker drives the connecting rod and moves down again, connecting rod alright rotate with the dwang in two locksets of drive with one side, utilize the connecting rod can drive two locksets of operation simultaneously, be favorable to improving operating personnel's convenience.
Optionally, the rigid coupling has roller bearing one on the side of rocker one, the axis direction of roller bearing one with the door leaf is perpendicular, and is located and keeps away from the tip of axis of rotation one end, drive assembly includes connecting rod, spur rack, gear and connecting axle, the tip at connecting rod both ends all seted up with a waist type hole of mutually supporting of roller bearing, the one end rigid coupling of spur rack in on the connecting rod, the gear with spur rack intermeshing, connecting axle coaxial coupling in on the gear, the one end of connecting axle is passed the gear with the door leaf rotates and connects.
Through adopting above-mentioned technical scheme, when needs drive rocker one and rotate, rotate through the drive connecting axle, the connecting axle drives gear revolve, and the gear drives the spur rack lift, and the spur rack alright with driving the connecting rod lift, two rockers of connecting rod drive rotate around axis of rotation separately, utilize the connecting rod alright with driving two rockers one to can further improve operating personnel's convenience.
Optionally, one end of the rotating shaft, which is far away from the first rocker, extends out of the outer side wall of the door leaf and is fixedly connected with a second rocker, and a driving assembly for driving the second rocker to rotate is also arranged between the two second rockers.
Through adopting above-mentioned technical scheme, when needs are locked in the people's air defense door outside, because the door leaf outside is provided with rocker two, through drive assembly, two axis rotations of revolving shaft are revoluted to ancestor's subassembly drive rocker, two drive axis rotations of rotation rotations of rocker, the axis of rotation drives the axis rotation that the axis of rotation revoluted the axis of rotation of rocker one, the rocker drives the connecting rod again and moves about, the connecting rod alright rotate with the drive dwang in two locksets with one side, but utilize the connecting rod to drive two tool to lock functions simultaneously, utilize the rocker two that lie in the door leaf outside, alright lock with the realization outside people's air defense door at operating personnel.
Optionally, the both sides of sealing strip all be provided with the rigid coupling in baffle on the door frame, two the baffle is close to the side of sealing strip one side with the sealing strip is inconsistent.
Through adopting above-mentioned technical scheme, when people's air defense door was closed, first sealing strip extrusion sealing strip, the deformation takes place for the sealing strip atress, utilizes two baffles can fix the sealing strip of deformation for the sealing strip is difficult for taking place the dislocation because of receiving the extrusion, is favorable to guaranteeing people's air defense door's normal use, thereby can improve people's air defense door's leakproofness.
Optionally, the sealing strip is hollow, and an elastic sheet is arranged inside the sealing strip.
Through adopting the above-mentioned technical scheme, when the people's air defense door receives the impact of great power, because the inside elastic sheet that is provided with of sealing strip, first sealed piece extrusion sealing strip on the door leaf, elastic sheet atress takes place elastic deformation in the sealing strip, make the people's air defense door receive the energy of impact and can change into the elastic potential energy of elastic sheet, be difficult for causing first sealed piece to excessively extrude the production destruction to the sealing strip, after assaulting, the door leaf slowly resumes under the elastic sheet effect, the sealing strip slowly resumes, utilize the elastic sheet can improve the buffer capacity of sealing strip, be favorable to protecting the sealing strip, thereby can prolong the life of sealing strip.
Optionally, the fixed subassembly includes connecting strip and elasticity card strip, the side rigid coupling of connecting strip one side in the sealing strip is close to one side of door frame, the side rigid coupling of elasticity card strip one side in the connecting strip is kept away from the side of sealing strip one side, the width of elasticity card strip is greater than the width of connecting strip, the door frame is close to the side of sealing strip one side seted up with the connecting strip and the elasticity card strip of fixed subassembly seal groove of mutually supporting.
By adopting the technical scheme, when the sealing strip is fixed, the elastic clamping strip is aligned to the clamping groove through the elastic clamping strip, the elastic clamping strip is extruded into the clamping groove, the elastic clamping strip is extruded to generate elastic deformation, the elastic clamping strip is continuously extruded until the elastic clamping strip completely enters the clamping groove, and the side surface of one side, close to the connecting strip, of the elastic clamping strip abuts against the inner wall of the clamping groove at the moment, so that the sealing strip can be installed and fixed; when the sealing strip needs to be replaced, the sealing strip is pulled forcibly, the elastic clamping strip is extruded by the inner wall of the clamping groove to generate elastic deformation, and the elastic clamping strip continues to be pulled until the elastic clamping strip is separated from the clamping groove, so that the sealing strip can be replaced.
Optionally, the side surfaces of the two sides of the first sealing block are fixedly connected with second sealing blocks, and the second sealing blocks are far away from the end surface of one end of each first sealing block and abut against the side surface of one side, far away from the door frame, of the sealing strip.
Through adopting above-mentioned technical scheme, when first sealed piece on the door leaf and sealing strip butt, the both sides of sealing strip can the perk, through increasing the sealed piece of second in first sealed piece both sides for the side of sealing strip both sides can be pushed down to the sealed piece of second, is favorable to the sealing strip to stabilize the laminating between two baffles.
In summary, the present application includes at least one of the following beneficial technical effects:
when the civil air defense door needs to be locked, the driving mechanism is driven to drive the connecting ring on the rotating rod of the lock to rotate around the rotating shaft, the lock head also rotates along with the connecting ring, the lock head is changed into a horizontal state from a previous vertical state, and the lock head enters the clamping groove to fix the door leaf, so that the sealing strip and the first sealing block can be tightly attached by using the lock, and under the simultaneous action of the four locks, four corners of the civil air defense door can be sealed, the integral sealing between the door leaf and the door frame is facilitated, and the sealing performance of the civil air defense door is improved;
when the rotating rod needs to be driven to rotate, the driving mechanism drives the rocker to rotate around the rotating shaft once, the rocker drives the connecting rod to move downwards again, the connecting rod can drive the rotating rod of the two locksets on the same side to rotate, the two locksets can be driven to operate simultaneously by the connecting rod, and convenience of operators is improved;
when the civil air defense door receives the impact of great power, because the inside elastic strip that is provided with of sealing strip, first sealed piece extrusion sealing strip on the door leaf, elastic strip atress takes place elastic deformation in the sealing strip, make the civil air defense door receive the energy of impact and can change into the elastic potential energy of elastic strip, be difficult for causing first sealed piece to excessively extrude the production destruction to the sealing strip, after assaulting, the door leaf slowly resumes under the elastic strip effect, the sealing strip slowly resumes, utilize the elastic strip can improve the buffer capacity of sealing strip, be favorable to protecting the sealing strip, thereby can prolong the life of sealing strip.
Drawings
Fig. 1 is a schematic structural view of a containment door according to an embodiment of the present application.
Fig. 2 is a schematic view of another perspective structure of a containment door in accordance with an embodiment of the present disclosure.
Fig. 3 is a schematic cross-sectional view of a containment door in accordance with an embodiment of the present application.
Fig. 4 is an enlarged structural view of a portion a in fig. 3, mainly illustrating the sealing tape and the first sealing block.
Description of reference numerals: 1. a door leaf; 101. a first seal block; 1011. a second seal block; 102. a sealing strip; 103. a baffle plate; 104. an elastic sheet; 11. a supporting seat; 12. a lock; 121. a connecting ring; 122. a lock head; 123. rotating the rod; 13. a rotating shaft; 14. a rocker II; 141. a second rolling shaft; 2. a door frame; 21. a card slot; 22. a sealing groove; 3. a drive mechanism; 31. a connecting rod; 32. a rotating shaft; 33. a first rocker; 331. a first rolling shaft; 34. a drive assembly; 341. a connecting rod; 3411. a kidney-shaped hole; 342. straight rack; 343. a gear; 344. a connecting shaft; 3441. a hand wheel; 4. a fixing assembly; 41. a connecting strip; 42. an elastic clamping strip.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses reinforced concrete protective airtight door. Referring to fig. 1, the protective airtight door comprises a door frame 2 and a door leaf 1, wherein the door frame 2 is in a frame shape, the door leaf 1 is in a cuboid shape, and the side edge of one side of the door leaf 1 is hinged to the door frame 2; the protective airtight door further comprises four supporting seats 11 and a lockset 12, wherein the four supporting seats 11 are averagely divided into two groups, one group is positioned at one side close to the hinged part of the door leaf 1, the other group is positioned at one side far away from the hinged part of the door leaf 1, one supporting seat 11 of each group is close to the bottom surface of the door leaf 1, the other supporting seat is close to the top surface of the door leaf 1, the end surface of one end, far away from the door leaf 1, of the supporting seat 11 is vertically and fixedly connected with a rotating shaft 13, and; tool to lock 12 is four, every tool to lock 12 corresponds and sets up on a supporting seat 11, tool to lock 12 includes go-between 121, tapered end 122 and dwang 123, go-between 121 is the ring form, go-between 121 rotates to be connected on pivot 13, tapered end 122 is cylindricly, tapered end 122's one end rigid coupling is on the outer wall of go-between 121, tapered end 122 keeps away from the tip of go-between 121 one end and is the round platform form, seted up on the door frame 2 with tapered end 122 mutually supported draw-in groove 21, draw-in groove 21 is the cuboid, dwang 123 is the cuboid, the one end rigid coupling of dwang 123 is on the outer wall of go-between 121, and with contained angle between the tapered end 122 becomes the obtuse angle, the contained angle can be for 120 in concrete implementation, the one end that dwang 123 kept away from go-between 121 is towards the bottom of door leaf 1, and the tip is provided with drive dwang 123 pivoted actuating mechanism 3.
Referring to fig. 1, the driving mechanism 3 includes connecting rods 31, a rotating shaft 32 and a first rocker 33, the connecting rods 31 are rectangular and long, two connecting rods 31 are provided, one of the connecting rods 31 is vertically disposed at one side close to the hinge of the door leaf 1, the other connecting rod 31 is vertically disposed at one side far away from the hinge of the door leaf 1, and two ends of the connecting rod 31 are respectively hinged to one ends, far away from the connecting ring 121, of the two rotating rods 123 at the same side of the door leaf 1; the number of the rotating shafts 32 is two, the rotating shafts 32 are rotatably connected to the door leaf 1, and one end of each rotating shaft 32 extends out of the inner side wall of the door leaf 1 and is located in the middle of the two locks 12 on the same side of the door leaf 1; the first rocker 33 is rectangular and long, one end of the first rocker 33 is fixedly connected to one end, located on the inner side surface of the door leaf 1, of the rotating shaft 32, the other end of the first rocker 33 is located on one side, away from the rotating shaft 32, of the connecting rod 31, and the first rocker 33 is hinged to the middle position of the side surface, away from one side of the door leaf 1, of the connecting rod 31; the driving mechanism 3 further comprises a driving assembly 34 for driving the rocker-one 33 to rotate.
Referring to fig. 1, a first rolling shaft 331 is fixedly connected to a side surface of the first rocker 33 on the side away from the door leaf 1, the first rolling shaft 331 is located at an end portion of the first rocker 33 on the side away from the rotating shaft 32, the driving assembly 34 includes a connecting rod 341, a spur rack 342, a gear 343 and a connecting shaft 344, the connecting rod 341 is rectangular and long, the connecting rod 341 is horizontally arranged, and waist-shaped holes 3411 matched with the first rolling shaft 331 are formed at end portions of two ends of the connecting rod 341; one end of the straight rack 342 is vertically and fixedly connected with the bottom surface of the connecting rod 341 and is positioned in the middle of the connecting rod 341, and the teeth of the straight rack 342 are positioned on the side surface of the straight rack 342 far away from the hinged part of the door leaf 1; the gear 343 is disposed on the bottom surface of the connecting rod 341 and is engaged with the spur rack 342; the connecting shaft 344 is coaxially connected to the gear 343, one end of the connecting shaft 344 passes through the gear 343 and is rotatably connected to the door leaf 1, and the other end of the connecting shaft 344 is fixedly connected to a hand wheel 3441.
Referring to fig. 2 and 3, along the first sealed piece 101 of 1 edge a week rigid coupling of door leaf, first sealed piece 101 is rectangular long strip, first sealed piece 101 is located on the 1 inner wall of door leaf, and is located supporting seat 11 keeps away from one side in the middle of the 1 door leaf, be provided with on the door frame 2 with the sealing strip 102 of first sealed piece 101 mutually supporting, sealing strip 102 is rectangular long strip, and mutually supports with first sealed piece 101, and first sealed piece 101 butt in the intermediate position of sealing strip 102, be provided with fixedly on the door frame 2 the fixed subassembly 4 of sealing strip 102.
When the civil air defense door is locked at the inner side of the civil air defense door, the hand wheel 3441 is rotated, the hand wheel 3441 drives the connecting shaft 344 to rotate, the connecting shaft 344 drives the gear 343 to rotate, the gear 343 drives the spur rack 342 to descend, the spur rack 342 drives the connecting rod 341 to descend, the connecting rod 341 drives the rocker one 33 at two sides to rotate around the rotating shaft 32, the rocker one 33 drives the connecting rod 31 to move downwards, the connecting rod 31 moving downwards can drive the rotating rod 123 in the two locksets 12 at the same side to rotate around the rotating shaft 13, the connecting ring 121 on the rotating rod 123 rotates around the rotating shaft 13, the lock head 122 also rotates along with the connecting ring 121, the lock head 122 is changed from the previous vertical state to the horizontal state, the lock head 122 enters the clamping groove 21, the door leaf 1 is fixed, and the convenience in operation of operators is improved by utilizing the driving mechanism 3 and the lifting mechanism; therefore, the sealing strip 102 and the first sealing block 101 can be tightly attached by using the lock 12, and under the simultaneous action of the four locks 12, four corners of the civil air defense door can be sealed, so that the integral sealing between the door leaf 1 and the door frame 2 is facilitated, and the sealing performance of the civil air defense door is improved.
Referring to fig. 3, the side surfaces of the two sides of the sealing strip 102 are respectively provided with a baffle plate 103 vertically and fixedly connected to the door frame 2, the height of the baffle plate 103 is greater than the thickness of the sealing strip 102, the side surfaces of the two baffle plates 103 close to one side of the sealing strip 102 are abutted against the sealing strip 102, and the fixing component 4 is located between the two baffle plates 103. Further, the weather strip 102 is hollow, and the corrugated elastic piece 104 is abutted to the inside of the weather strip 102.
When the civil air defense door is closed, the first sealing block 101 extrudes the sealing strip 102, the sealing strip 102 deforms under stress, and the deformed sealing strip 102 can be fixed by the two baffles 103, so that the sealing strip 102 is not easy to dislocate due to extrusion, the normal use of the civil air defense door is favorably ensured, and the sealing performance of the civil air defense door can be improved. In addition, when the civil air defense door receives the impact of great power, because the inside elastic strip 104 that is provided with of sealing strip 102, first sealing block 101 on the door leaf 1 extrudes sealing strip 102, elastic strip 104 atress takes place elastic deformation in the sealing strip 102, make the civil air defense door receive the energy of impact and can change into the elastic potential energy of elastic strip 104, difficult first sealing block 101 that causes excessively extrudees to produce the destruction to sealing strip 102, after assaulting, door leaf 1 slowly resumes under the effect of elastic strip 104, sealing strip 102 slowly resumes, utilize elastic strip 104 can improve the buffer capacity of sealing strip 102, be favorable to protecting sealing strip 102, thereby can prolong the life of sealing strip 102.
Referring to fig. 3, fixed subassembly 4 includes connecting strip 41 and elasticity card strip 42, connecting strip 41 is rectangular long strip and length direction is unanimous with the length direction of sealing strip 102, the side integrated into one piece of connecting strip 41 length direction one side is on the side that sealing strip 102 is close to door frame 2 one side, elasticity card strip 42 is the semi-cylindrical, and elasticity card strip 42 is inside cavity, elasticity card strip 42 is the intermediate position integrated into one piece of planar one side and keeps away from the side of sealing strip 102 one side in connecting strip 41, the width of elasticity card strip 42 is greater than the width of connecting strip 41, door frame 2 is close to the side of sealing strip 102 one side seted up with fixed subassembly 4 in connecting strip 41 and the draw-in groove 21 of elasticity card strip 42 mutually supporting.
When the sealing strip 102 is fixed, the elastic clamping strip 42 is aligned to the clamping groove 21, the elastic clamping strip 42 is extruded into the clamping groove 21, the elastic clamping strip 42 is extruded to generate elastic deformation, the elastic clamping strip 42 is continuously extruded until the elastic clamping strip 42 completely enters the clamping groove 21, and the side surface of one side, close to the connecting strip 41, of the elastic clamping strip 42 abuts against the inner wall of the clamping groove 21, so that the sealing strip 102 can be installed and fixed; when the sealing strip 102 needs to be replaced, the sealing strip 102 is pulled forcefully, the elastic clamping strip 42 is extruded by the inner wall of the clamping groove 21 to generate elastic deformation, the elastic clamping strip 42 is continuously pulled until the elastic clamping strip 42 is separated from the clamping groove 21, and therefore the sealing strip 102 can be replaced.
Referring to fig. 3, the side surfaces of the two sides of the first sealing block 101 are fixedly connected with second sealing blocks 1011, the second sealing blocks 1011 are rectangular and long, and the second sealing blocks 1011 abut against the side surface of the sealing strip 102 away from the door frame 2 and are close to the baffle 103.
When the first sealing block 101 on the door leaf 1 abuts against the sealing strip 102, two sides of the sealing strip 102 can tilt, and the second sealing blocks 1011 are additionally arranged on two sides of the first sealing block 101, so that the second sealing blocks 1011 can press the side edges of two sides of the sealing strip 102, and the sealing strip 102 can be stably attached between the two baffle plates 103.
Referring to fig. 4, one end of the rotating shaft 32, which is far away from the rocker one 33, extends out of the outer side wall of the door leaf 1 and is fixedly connected with a rocker two 14, the rocker two 14 is a cuboid, one ends of the two rocker two 14, which are far away from the rotating shaft 32, are close to each other, a driving assembly 34 for driving the rocker two 14 to rotate is arranged between the two rocker two 14, a rolling shaft two 141 is vertically and fixedly connected to the side surface of the rocker two 14, which is far away from one side of the door leaf 1, and is located at the end part of one end, which is far away from the rotating shaft 32, the driving assembly 34 comprises a connecting rod 341, a straight rack 342, a gear 343 and a connecting shaft 344, the connecting rod 341 is a cuboid, and the end parts at the two ends of the connecting rod 341 are both provided with kidney-shaped holes 3411 which are matched with the two rolling shaft two 141; the straight rack 342 is vertically arranged in the middle of the two rocking bars 14 and close to the bottom end of the door leaf 1, teeth of the straight rack 342 are positioned on the side surface of the straight rack 342 far away from the hinged part of the door leaf 1, and the end surface of the end of the straight rack 342 is fixedly connected with the middle of the connecting rod 341; the gear 343 is disposed on the bottom surface of the connecting rod 341 and is engaged with the spur rack 342, the connecting shaft 344 is coaxially connected to the gear 343, one end of the connecting shaft 344 penetrates through the gear 343 to be rotatably connected to the door leaf 1, and the other end of the connecting shaft 344 is fixedly connected to a hand wheel 3441.
When the civil air defense door needs to be locked outside the civil air defense door, the hand wheel 3441 is rotated, the hand wheel 3441 drives the connecting shaft 344 to rotate, the connecting shaft 344 drives the gear 343 to rotate, the gear 343 drives the spur rack 342 to move downwards, the spur rack 342 drives the connecting rod 341 to move downwards, the connecting rod 341 drives the two rockers 14 to rotate, the two rockers 14 drive the rotating shaft 32 to rotate, the rotating shaft 32 drives the first rocker 33 to rotate around the axis of the rotating shaft 32, the first rocker 33 drives the connecting rod 31 to move downwards, the connecting rod 31 can drive the rotating rods 123 in the two locks 12 on the same side to rotate, the civil air defense door can be locked outside the civil air defense door, and the convenience in operation of operators can be improved by utilizing the rotating mechanism.
The implementation principle of the reinforced concrete protective airtight door in the embodiment of the application is as follows: when the people defense door is locked, the hand wheel 3441 is rotated, the hand wheel 3441 drives the connecting shaft 344 to rotate, the connecting shaft 344 drives the gear 343 to rotate, the gear 343 drives the spur rack 342 to descend, the spur rack 342 drives the connecting rod 341 to descend, the connecting rod 341 drives the first rockers 33 on two sides to rotate around the rotating shaft 32, the first rockers 33 drive the connecting rod 31 to move downwards, the connecting rod 31 moving downwards can drive the rotating rod 123 in the two locks 12 on the same side to rotate around the rotating shaft 13, the connecting ring 121 on the rotating rod 123 rotates around the rotating shaft 13, the lock head 122 also rotates along with the connecting ring 121, the lock head 122 is changed from the previous vertical state to the horizontal state, the lock head 122 enters the clamping groove 21, so that the door leaf 1 is fixed, the convenience of operation of an operator is improved by using the driving mechanism 3 and the lifting mechanism, therefore, the lock 12 can enable the sealing strip 102 to be tightly attached to the first sealing block 101, and under the simultaneous action of four tool to lock 12, can all seal four corners of people's air defense door, be favorable to the overall seal between door leaf 1 and the door frame 2, improved people's air defense door's leakproofness.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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 (8)
1. The utility model provides a reinforced concrete protective airtight door, including inlay door frame (2) of locating on the wall body and articulate in door leaf (1) on door frame (2), its characterized in that: the inner side surface of the door leaf (1) is fixedly connected with supporting seats (11) and a lockset (12), one side of the door leaf (1) is hinged to a door frame (2), the number of the supporting seats (11) is four, each supporting seat (11) is correspondingly arranged at one corner of the door leaf (1), and the end surface of one end, away from the door leaf (1), of each supporting seat (11) is fixedly connected with a rotating shaft (13); the lockset (12) comprises a connecting ring (121), a lock head (122) and a rotating rod (123), the connecting ring (121) is rotatably connected to the rotating shaft (13), one end of the lock head (122) is fixedly connected to the outer wall of the connecting ring (121), a clamping groove (21) matched with the lock head (122) is formed in the door frame (2), the rotating rod (123) is fixedly connected to the outer wall of the connecting ring (121), one end, far away from the connecting ring (121), of the rotating rod (123 faces to one side far away from the lock head (122), and a driving mechanism (3) for driving the rotating rod (123) to rotate is arranged at the end part of the rotating rod (123); the door comprises a first sealing block (101) fixedly connected along the edge of a door leaf (1) in a circle, wherein the first sealing block (101) is positioned on the inner wall of the door leaf (1) and positioned on one side, away from the middle of the door leaf (1), of a supporting seat (11), a sealing strip (102) matched with the first sealing block (101) is arranged on a door frame (2), and a fixing component (4) for fixing the sealing strip (102) is arranged on the door frame (2).
2. A reinforced concrete containment door as claimed in claim 1 wherein: the driving mechanism (3) comprises a connecting rod (31), a rotating shaft (32) and a rocker I (33), the connecting rod (31) is vertically arranged on each of two sides of the door leaf (1), and two ends of the connecting rod (31) are respectively hinged to the end parts of the two rotating rods (123) on the same side of the door leaf (1) far away from one end of the connecting ring (121); the rotating shaft (32) is arranged on one side, away from the other connecting rod (31), of each connecting rod (31) and is positioned between the two locks (12) on the same side of the door leaf (1), the rotating shaft (32) is rotatably connected into the door leaf (1), and one end of the rotating shaft (32) extends out of the inner side wall of the door leaf (1); one end of the rocker I (33) is fixedly connected to one end, located on the inner side of the door leaf (1), of the rotating shaft (32), the other end of the rocker I (33) is located on one side, away from the rotating shaft (32), of the connecting rod (31) and inclined towards the bottom end of the door leaf (1), and the rocker I (33) is hinged to the connecting rod (31); the driving mechanism (3) further comprises a driving assembly (34) for driving the rocker I (33) to rotate.
3. A reinforced concrete containment door as claimed in claim 2 wherein: the rigid coupling has roller axle (331) on the side of rocker (33), the axis direction of roller axle (331) with door leaf (1) is perpendicular, and is located and keeps away from the tip of axis of rotation (32) one end, drive assembly (34) include connecting rod (341), spur rack (342), gear (343) and connecting axle (344), the tip at connecting rod (341) both ends all seted up with roller axle (331) waist type hole (3411) of mutually supporting, the one end rigid coupling of spur rack (342) in on connecting rod (341), gear (343) with spur rack (342) intermeshing, connecting axle (344) coaxial coupling in on gear (343), the one end of connecting axle (344) is passed gear (343) with door leaf (1) rotate and are connected.
4. A reinforced concrete containment door as claimed in claim 2 wherein: one end, far away from the rocker I (33), of the rotating shaft (32) extends out of the outer side wall of the door leaf (1) and is fixedly connected with a rocker II (14), and a driving assembly (34) for driving the rocker II (14) to rotate is also arranged between the two rocker II (14).
5. A reinforced concrete containment door as claimed in claim 1 wherein: the two sides of the sealing strip (102) are respectively provided with a baffle (103) fixedly connected to the door frame (2), and the two baffles (103) are close to the side surface of one side of the sealing strip (102) and are abutted to the sealing strip (102).
6. A reinforced concrete containment door as claimed in claim 1 wherein: the sealing strip (102) is hollow, and an elastic sheet (104) is arranged inside the sealing strip (102).
7. A reinforced concrete containment door as claimed in claim 1 wherein: fixed subassembly (4) are including connecting strip (41) and elasticity card strip (42), the side rigid coupling of connecting strip (41) one side in sealing strip (102) are close to one side of door frame (2), the side rigid coupling of elasticity card strip (42) one side in connecting strip (41) are kept away from the side of sealing strip (102) one side, the width of elasticity card strip (42) is greater than the width of connecting strip (41), door frame (2) are close to the side of sealing strip (102) one side seted up with connecting strip (41) and the seal groove (22) of elasticity card strip (42) mutually supporting of fixed subassembly (4).
8. A reinforced concrete containment door as claimed in claim 1 wherein: the side of first sealed piece (101) both sides all the rigid coupling have second sealed piece (1011), the sealed piece (1011) of second is kept away from the terminal surface butt of first sealed piece (101) one end in sealing strip (102) are kept away from on the side of door frame (2) one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022496232.4U CN213775110U (en) | 2020-10-30 | 2020-10-30 | Reinforced concrete protective airtight door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022496232.4U CN213775110U (en) | 2020-10-30 | 2020-10-30 | Reinforced concrete protective airtight door |
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| CN213775110U true CN213775110U (en) | 2021-07-23 |
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| CN202022496232.4U Active CN213775110U (en) | 2020-10-30 | 2020-10-30 | Reinforced concrete protective airtight door |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251046A (en) * | 2021-12-23 | 2022-03-29 | 浙江龙居门业有限公司 | High leakproofness villa metal door |
| CN114541926A (en) * | 2022-02-23 | 2022-05-27 | 中国建筑标准设计研究院有限公司 | Bidirectional push-pull type protective airtight door and using method thereof |
-
2020
- 2020-10-30 CN CN202022496232.4U patent/CN213775110U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251046A (en) * | 2021-12-23 | 2022-03-29 | 浙江龙居门业有限公司 | High leakproofness villa metal door |
| CN114541926A (en) * | 2022-02-23 | 2022-05-27 | 中国建筑标准设计研究院有限公司 | Bidirectional push-pull type protective airtight door and using method thereof |
| CN114541926B (en) * | 2022-02-23 | 2024-08-13 | 中国建筑标准设计研究院有限公司 | Bidirectional push-pull type protective airtight door and application method thereof |
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