Disclosure of Invention
Aiming at the problems in the prior art, the intelligent control flood-proof protective airtight door for the subway station entrance and exit provided by the invention can realize automatic opening or closing of a door leaf, enhance the convenience of door leaf opening and closing movement, and simultaneously improve the watertight performance.
In order to achieve the above purpose, the present invention may be performed by the following technical scheme:
the invention provides an intelligent control flood-proof protective airtight door for subway station entrances and exits, which comprises the following components:
The door body comprises a door frame and a door leaf, wherein the bottom of the door frame is opened, and the door leaf is arranged in the door frame;
the door frame is provided with an electric airtight split hinge structure which is used for controlling the door leaf to open or close;
the door leaf is provided with a sealing structure, and the sealing structure is used for sealing the door body.
The intelligent control flood-proof protective airtight door for the subway station entrance and exit comprises an electric airtight split hinge structure, wherein the electric airtight split hinge structure comprises a driving mechanism, the driving mechanism comprises a motor, the motor is connected with a speed reducer, the speed reducer is connected with an electromagnetic clutch, and the electromagnetic clutch is connected with the door leaf through a spline shaft hinge seat.
The intelligent control flood-proof protective airtight door for the subway station entrance and exit comprises an electric airtight split hinge structure, wherein the electric airtight split hinge structure comprises a composite hinge mechanism, the composite hinge mechanism comprises a base and a bearing arm, the base is connected with an existing building, and the bearing arm is fixedly connected to the door leaf;
The bearing arm is connected with a bearing shaft, the bearing shaft is connected with a translation support through a thrust roller aligning bearing, and the bearing shaft drives the translation support to move under the action of a driving mechanism so as to realize the rotation of the door leaf; the base is connected with a bearing support, the bearing support is connected with a guide support, a linear motion needle roller bearing is arranged in the guide support, and the linear motion needle roller bearing and the translation support roll and rub under the action of a driving mechanism so as to realize the translation of the door leaf.
The intelligent control flood-proof protective airtight door for the subway station entrance and exit comprises a base, a composite hinge mechanism, a hinge plate, a hinge shaft, a rolling bearing and a hinge seat.
The intelligent control flood-proof protective airtight door for the subway station entrance and exit is further provided with a stop block.
As mentioned above, the intelligent control flood-proof protective airtight door for subway station entrance and exit, further, the speed reducer is fixed through the speed reducer mount pad, the speed reducer mount pad is provided with the gusset plate towards one side of installation face.
The intelligent control flood-proof protective airtight door for the subway station entrance and exit comprises a sealing structure, wherein the sealing structure comprises a center seam sealing structure, and the center seam sealing structure comprises door leaf angle steel, a first sealing strip and a second sealing strip;
the door leaf angle steel consists of a main beam and a secondary beam, the main beam is vertically arranged, and the secondary beam is arranged between two adjacent main beams;
The door leaf angle steel is connected with a steel plate and a first pressing plate, the steel plate is provided with a first sealing strip, and the first sealing strip is fixed through the first pressing plate;
the door leaf angle steel is also connected with a supporting plate and a second pressing plate, the second sealing strip is arranged between the supporting plate and the second pressing plate, and a plurality of reinforcing rib plates are arranged on the supporting plate;
When the electric airtight split hinge structure drives the door leaf to be closed, the door leaf angle steel is stressed to enable the first sealing strip on the steel plate to be extruded, and the second sealing strip is extruded by the supporting plate and the second pressing plate simultaneously, so that the door leaves and the door leaf and the door frame are attached to each other, and the middle joint sealing of the door leaf is realized.
The intelligent control flood-proof protective airtight door for the subway station entrance and exit further comprises a peripheral sealing structure, wherein the peripheral sealing structure comprises door leaf angle steel, a second sealing strip and a third sealing strip;
the door leaf angle steel is fixed with the door frame through a second pressing plate, and the third sealing strip is arranged close to the second sealing strip and is connected with the edge of the door leaf;
when the electric airtight split hinge structure drives the door leaf to be closed, the door leaf angle steel is stressed to enable the second sealing strip to be extruded by the second pressing plate, and the third sealing strip is extruded by the door leaf and the door frame, so that the door leaf is attached to the periphery of the door frame, and the periphery of the door leaf is sealed.
The intelligent control flood-proof protective airtight door for the subway station entrance and exit further comprises a lifting locking sealing structure, wherein the lifting locking sealing structure comprises a lifting driving mechanism, the lifting driving mechanism comprises a lifting beam, the lifting beam is connected with a sealing beam, and a diagonal bracing rod is further connected between the lifting beam and the sealing beam;
The sealing beam is arranged in parallel with the lifting beam and is positioned at one side close to the door leaf, and second sealing strips are arranged at the bottom of the sealing beam and on one side facing the door leaf;
when the door leaf is closed, the sealing beam descends along with the lifting beam and extrudes the second sealing strip, so that a gap between the lower edge of the door leaf and the ground is sealed;
When the door leaf is in a sealing state, the inclined support rod provides supporting force for the sealing beam in the direction towards the bottom and the door leaf.
The intelligent control flood-proof protective airtight door for the subway station entrance and exit comprises a locking mechanism, wherein the locking mechanism comprises a locking column, a locking seat and a locking sleeve, the locking column is connected with the lifting beam, the locking seat is arranged below the door frame, and the locking sleeve is arranged on the door leaf and used for allowing the locking column to pass through.
Compared with the prior art, the invention has the beneficial effects that:
1. the electric airtight split hinge structure is arranged, so that the opening and closing moment is large, the arrangement space is small, the civil construction size can be optimized, the civil construction excavation cost is reduced, and the electric airtight split hinge structure is suitable for the use characteristics and the arrangement requirements of the flood-proof protective door of the subway civil air defense project;
2. according to the invention, the electromagnetic clutch is used for automatically switching the electric operation mode and the manual operation mode, so that the door leaf can be automatically opened and closed, the convenience of door leaf switch movement is enhanced, and timely and rapid switch under emergency is realized;
3. The middle seam of the door leaf adopts two sealing measures of matching the lap joint adhesive tape and the P-type natural rubber adhesive tape, and the periphery of the door leaf adopts edge sealing treatment of matching the P-type natural rubber adhesive tape and the silica gel, so that bidirectional flooding prevention of the inside and the outside of the door leaf is realized, and the watertight performance is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly explain the drawings needed in the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a front structure of a hermetic door according to an embodiment of the present invention;
FIG. 2 is a schematic view of the back structure of the airtight door according to the embodiment of the present invention;
FIG. 3 is a schematic top view of a airtight door according to an embodiment of the present invention;
FIG. 4 is an overall schematic view of an electric airtight split hinge structure according to an embodiment of the present invention;
FIG. 5 is a schematic top view of an electrically-powered airtight split hinge structure in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of the lower part of the electric airtight split hinge structure in the embodiment of the present invention;
FIG. 7 is an enlarged view of FIG. 3 at A;
FIG. 8 is an enlarged view at B in FIG. 3;
FIG. 9 is a side view of a lift-lock seal in accordance with an embodiment of the present invention;
fig. 10 is an enlarged view of fig. 9 at C;
FIG. 11 is a water-resistant schematic view of a connecting fastener in an embodiment of the invention;
FIG. 12 is a schematic view of the size of a door leaf angle arrangement in an embodiment of the present invention;
In the figure, 1, a door frame; 2, an electric airtight split hinge structure; 3, door leaf, 4, lifting locking sealing structure, 21, motor, 22, speed reducer, 23, electromagnetic clutch, 24, spline shaft hinging seat, 25, speed reducer mounting seat, 26, bearing arm, 27, composite hinge mechanism, 28, bearing shaft, 29, door leaf hinging seat, 30, hinging plate, 31, door leaf, 32, door leaf angle steel, 41, first sealing strip, 42, first pressing plate, 43, steel plate, 44, supporting plate, 45, second sealing strip, 46, reinforcing rib plate, 47, second pressing plate, 211, coupling, 221, involute spline shaft, 231, spline shaft, 232, first hexagon socket head screw, 233, pin, 251, stud, 252, anchor plate, 253, reinforcing plate, 271, bearing seat, 272, guiding seat, 273, translation seat, 274, hinge seat, 275, hinge shaft, 276, base 277, thrust roller aligning bearing, linear motion bearing, 279, rolling bearing, 280, stopper, 281, second hexagon socket head screw, 231, lifting beam 412, diagonal sealing beam, 278, pin bolt seat, 417, sealing seat, sealing sleeve, 53, sealing sleeve, and sealing sleeve.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. 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.
Examples:
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or means is not necessarily limited to those steps or means that are expressly listed or inherent to such process, method, article, or apparatus.
It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. Furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intervening medium, or may be in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The invention provides an intelligent control flood-proof protective airtight door for an entrance and an exit of a subway station, which comprises a door body, wherein the door body comprises a door frame 1 and a door leaf 3, the bottom of the door frame 1 is opened, the door leaf 3 is arranged in the door frame 1, an electric airtight split hinge structure 2 is arranged on the door frame 1, the electric airtight split hinge structure 2 is used for controlling the door leaf 3 to open or close, a sealing structure is arranged on the door leaf 3, and the sealing structure is used for sealing the door body.
Specifically, referring to fig. 1 and 2, the door frame 1 of the airtight door of the present invention is hermetically connected in a wall body of a subway station, and meanwhile, the bottom of the door frame 1 is opened, that is, the bottom of the door frame 1 is not provided with a threshold, so that a gap between the threshold and the door leaf 3 can be avoided, thereby causing water leakage. The door leaf 3 of the invention is divided into a left door and a right door, wherein an electric airtight split hinge structure 2 is arranged at the joint of the left door/right door and a door frame 1. Thus, the door leaf 3 can be automatically opened or closed, and the convenience of opening and closing the door leaf 3 is enhanced. Meanwhile, the door leaf 3 adopts sealing measures, so that the watertight performance can be greatly improved.
As an alternative embodiment, in some examples, the electric airtight split hinge structure 2 includes a driving mechanism, where the driving mechanism includes a motor 21, the motor 21 is connected with a speed reducer 22, the speed reducer 22 is connected with an electromagnetic clutch 23, and the electromagnetic clutch 23 is connected with the door leaf 3 through a spline shaft hinge seat 24. Further, the speed reducer 22 is fixed by a speed reducer mount 25, and a reinforcing plate 253 is provided on a side of the speed reducer mount 25 facing the mounting surface.
Specifically, referring to fig. 4 and 5, the output end of the motor 21 is connected with the speed reducer 22 through the coupling 211, the speed reducer 22 is connected with the electromagnetic clutch 23 through the involute spline shaft 221, the speed reducer 22 is fixedly connected on the speed reducer mounting seat 25 through the hexagonal bolt, the speed reducer mounting seat 25 is connected with the anchor plate 252 through the stud 251, the speed reducer mounting seat 25 is mounted on the existing building (the existing building refers to the concrete structure of the subway station entrance and exit) in an anchoring manner, and the reinforcing plate 253 is transversely and longitudinally arranged on the back of the speed reducer mounting seat 25, so that the local structural strength of the speed reducer mounting seat 25 is improved. Meanwhile, the manual and electric conversion efficiency is improved through the electromagnetic clutch 23, the electromagnetic clutch 23 outputs rotation torque through the spline shaft 231, the spline shaft 231 is connected with the spline shaft hinging seat 24 through the first hexagon socket head cap screws 232 and the pins 233 which are distributed in the circumferential direction, and the pins 233 which are distributed in the circumferential direction can also enhance the shearing bearing capacity. The spline shaft hinging seat 24 is fixedly connected to the door leaf 3 through a hexagon bolt, and the door leaf 3 is connected with the spline shaft 231 in a relative rotation mode through the spline shaft hinging seat 24. Considering that the flooding-proof protective airtight door needs to be opened to provide large torque, for installation convenience, the electromagnetic clutch 23 adopts a spline connection mode, and the output switching shaft of the speed reducer 22 adopts a locking disc hollow shaft mode. Thus, one end of the electric airtight split hinge structure 2 is a locking disc connected with the output shaft of the speed reducer 22, and the other end is an involute spline shaft 221 connected with the electromagnetic clutch 23. The electromagnetic clutch 23 can be automatically disconnected under the electroless condition, and the connection with the speed reducer 22 is cut off.
In some implementations, further, depending on the drive requirements, and also to reduce the volume of the speed reducer 22, the motor 21 may select a high inertia medium capacity servo motor that satisfies the drive torque. And according to space layout and axial size limitation requirements, the speed reducer 22 can select a 90-degree reversing K-series spiral bevel gear speed reducer. Considering the high cost of the servo motor, the speed reduction transmission scheme can adopt an R series speed reducer to be connected in series with a 90-degree reversing K series spiral bevel gear speed reducer, so that the speed can be regulated by adopting a low-power, low-torque and alternating-current variable-frequency motor plus frequency converter.
In the above embodiment, further, the electric airtight split hinge structure 2 comprises a composite hinge mechanism 27, the composite hinge mechanism 27 comprises a base 276 and a bearing arm 26, the base 276 is connected with an existing building, the bearing arm 26 is fixedly connected to the door leaf 3, the bearing arm 26 is connected with a bearing shaft 28, the bearing shaft 28 is connected with a translation support 273 through a thrust roller aligning bearing 277, the bearing shaft 28 drives the translation support 273 to move under the action of a driving mechanism so as to realize rotation of the door leaf 3, the base 276 is connected with the bearing support 271, the bearing support 271 is connected with a guide support 272, a linear motion needle bearing 278 is arranged in the guide support 272, and the linear motion needle bearing 278 and the translation support 273 are in rolling friction under the action of the driving mechanism so as to realize translation of the door leaf 3.
Specifically, referring to fig. 6, the composite hinge mechanism 27 of the lower part of the door leaf 3 includes a carrying support 271, a guide support 272, a translation support 273, a hinge seat 274, a hinge shaft 275, and a base 276. The bearing arm 26 is fixedly connected to the door leaf 3 through a hexagonal bolt and is connected with the bearing shaft 28 through a hexagonal cylindrical head screw, and the bearing shaft 28 is connected with the translation support 273 through a thrust roller aligning bearing 277, so that the door leaf 3 is rotated. The guide support 272 is connected with the bearing support 271 through hexagonal socket head cap screws, and linear motion needle bearings 278 are arranged on two inner sides of the guide support 272, so that translation can be achieved through rolling friction between the translation support 273 and the linear motion needle bearings 278. The bearing support 271 is connected with the base 276 through a hexagonal bolt, the base 276 is connected with the anchor plate 252 through a stud 251, and the bearing support is installed on an existing building (the existing building refers to a concrete structure of an entrance and an exit of a subway station) in an anchoring manner. In some implementations, a reinforcing plate 253 may also be disposed laterally and longitudinally on the back of the base 276 to increase the local structural strength of the base 276 and ensure the reliability of the installation of the compound hinge mechanism 27.
In the above embodiment, further, the composite hinge mechanism 27 further includes a door hinge seat 29, the door hinge seat 29 is fixedly connected with the door 3, the door hinge seat 29 is connected with a hinge plate 30 through a needle bearing, the hinge plate 30 is connected with a hinge seat 274 through a hinge shaft 275 and a rolling bearing 279, and the hinge seat 274 is fixedly connected with the base 276.
Specifically, the door leaf hinge support 29 is fixedly connected to the door leaf 3 through a hexagonal bolt, the door leaf hinge support 29 and the hinge plate 30 are in rolling fit through a needle bearing, the hinge plate 30 and the hinge support 274 are in rolling fit through a hinge shaft 275 and a rolling bearing 279, and the hinge support 274 is fixedly connected to the base 276 through a hexagonal bolt.
In the above embodiment, further, the hinge base 274 is provided with a stopper 280. Considering that the speed reducer mounting seat 25 and the base 276 need to be mounted in advance in a concrete structure of an entrance and an exit of a subway station in an anchoring manner, the two sides of the hinge seat 274 are provided with the stop blocks 280, and the position of the hinge seat 274 can be finely adjusted through the rotary motion of the second hexagon socket head cap screws 281 on the left and right stop blocks 280, so that the mounting coaxiality requirements of the bearing seat hinge lugs, the bearing seats 271 and the hinge seat 274 on the speed reducer mounting seat 25 are ensured.
As an alternative implementation, in some examples, the sealing structure comprises door leaf angle steel 32, a first sealing strip and a second sealing strip, wherein the door leaf angle steel 32 comprises a main beam and a secondary beam, the main beam is vertically arranged, the secondary beam is arranged between two adjacent main beams, a plurality of reinforcing ribs 46 are arranged on a supporting plate 44, the door leaf angle steel 32 is connected with a steel plate 43 and a first pressing plate 42, the steel plate 43 is provided with a first sealing strip 41, the first sealing strip 41 is fixed through the first pressing plate 42, the door leaf angle steel 32 is also connected with the supporting plate 44 and a second pressing plate 47, and the second sealing strip 45 is arranged between the supporting plate 44 and the second pressing plate 47, wherein when the electric airtight split hinge structure 2 drives the door leaf 3 to be closed, the door leaf angle steel 32 is stressed to enable the first sealing strip 41 on the steel plate 43 to be extruded, and the second sealing strip 45 is simultaneously extruded by the supporting plate 44 and the second pressing plate 47, so that the door leaf 3 is attached to the door frame 1, and the middle joint sealing of the door leaf 3 is realized. Further, the sealing structure further comprises a peripheral sealing structure, the peripheral sealing structure comprises door leaf angle steel 32, a second sealing strip 45 and a third sealing strip 417, the second sealing strip 45 is fixed between the door leaf angle steel 32 and the door frame 1 through a second pressing plate 47, the third sealing strip 417 is arranged close to the second sealing strip 45 and is connected with the edge of the door leaf 3, when the electric airtight split hinge structure 2 drives the door leaf 3 to be closed, the door leaf angle steel 32 is stressed to enable the second sealing strip 45 to be pressed by the second pressing plate 47, and the third sealing strip 417 is pressed by the door leaf 3 and the door frame 1, so that the door leaf 3 is attached to the periphery of the door frame 1, and the peripheral sealing of the door leaf 3 is achieved.
Specifically, the first sealing strip 41 of the invention adopts a lap joint adhesive tape which has certain flexibility and durability and can well buffer and absorb some impact force, the second sealing strip 45 adopts a P-type natural rubber adhesive tape which has excellent elasticity, softness and wear resistance, the third sealing strip adopts silica gel which has good sealing performance and elasticity, is not easy to age and deform and has excellent waterproof performance and is not easy to deform when meeting water, the first pressing plate 42 adopts an adhesive tape pressing plate, and the second pressing plate 47 adopts a P-type adhesive tape pressing plate.
In the center joint sealing structure of the door leaf 3, the lap joint adhesive tape is fixed on the door leaf angle steel 32 through bolts, the adhesive tape pressing plate is connected with the lap joint adhesive tape through bolts, the lap joint adhesive tape is fixed on the steel plate 43 through bolts, the steel plate 43 is welded on the door leaf angle steel 32, so that the lap joint adhesive tape is supported and reinforced, and the two lap joint adhesive tapes are fixed through the triangular adhesive tape pressing plate to be closed, so that water cannot enter the middle cavity where the P-type natural rubber adhesive tape is located (see fig. 7). Meanwhile, an extrusion type P-type natural rubber adhesive tape is adopted for sealing, the P-type natural rubber adhesive tape is placed between the supporting plate 44 and the P-type adhesive tape pressing plate, the supporting plate 44 and the P-type adhesive tape pressing plate are fixed on the door leaf angle steel 32 through welding, and a plurality of reinforcing rib plates 46 are welded on the adhesive tape supporting plate 44, so that the rigidity of the supporting plate 44 is improved.
In the seal structure around door leaf 3, P type natural rubber adhesive tape is fixed with door frame 1 through bolt and P type adhesive tape clamp plate to adopt silica gel to carry out banding processing (see fig. 8) in the edge of door leaf 3, can reduce the gap infiltration that moisture passes through door leaf 3 edge to door leaf 3 inside like this, thereby protection door leaf 3 material does not receive the influence of humidity and corruption.
Therefore, the middle seam of the door leaf 3 is sealed by adopting the first sealing strip 41 and the second sealing strip 45, and the periphery of the door leaf 3 is sealed by adopting the second sealing strip 45 and the third sealing strip 417, so that two sealing measures are carried out on the middle seam or the periphery of the door leaf 3, the bidirectional flooding prevention inside and outside the door leaf 3 is realized, and the watertight performance is greatly improved.
In some implementations, the door leaf 3 of the present invention adopts a beam-plate structure, that is, after the overall thickness of the door leaf is designed through simulation, a proper door beam and a door plate 31 are selected, the door leaf angle steel 32 forms a main body structure of the door leaf 3, which is a core structure for ensuring the impact resistance of the door beam, and the door plate 31 is arranged outside the door beam, so that the air tightness of the door leaf 3 can be ensured, and the impact resistance of the door leaf 3 can be ensured. In this embodiment, the size of the door hole is 6500mm×3000mm, the design water head is forward 20m, the door leaves 3 are designed to be two and are split, for a door leaf 3, the thickness of the door plate 31 arranged is 8mm, the door leaf angle steel 32 is 20a i-steel section steel, the door leaf angle steel 32 comprises a main beam (vertical beam) and a secondary beam (transverse beam), the main beam is vertically arranged, the secondary beam is arranged between two adjacent main beams, and the section steel arrangement is shown in fig. 12. In this way, further theoretical and simulation calculations prove that the rigidity and strength of the door leaf 3 meet the design requirements.
As an alternative implementation, in some embodiments, the door leaf sealing device further comprises a lifting locking sealing structure 4, the lifting locking sealing structure 4 comprises a lifting driving mechanism, the lifting driving mechanism comprises a lifting beam 411, the lifting beam 411 is connected with a sealing beam 412, a diagonal support rod 413 is further connected between the lifting beam 411 and the sealing beam 412, the lifting beam 411 is transversely arranged, the sealing beam 412 is parallel to the lifting beam 411 and is positioned at one side close to the door leaf 3, a third sealing strip 417 is arranged at the bottom of the sealing beam 412 and on one side facing the door leaf 3, when the door leaf 3 is closed, the sealing beam 412 descends along with the lifting beam 411 and presses the second sealing strip 45, so that a gap between the lower edge of the door leaf 3 and the ground is sealed, and when the door leaf 3 is in a sealing state, the diagonal support rod 413 provides supporting force for the sealing beam 412 towards the bottom and the door leaf 3. Further, the lifting locking sealing structure 4 comprises a locking mechanism, the locking mechanism comprises a locking column 414, a locking seat 415 and a locking sleeve 416, the locking column 414 is connected with the lifting beam 411, the locking seat 415 is arranged below the door frame 1, and the locking sleeve 416 is arranged on the door leaf 3 and used for allowing the locking column 414 to pass through.
Specifically, referring to fig. 2 and 9, when the door 3 is closed, the door 3 is rotated to be fitted with the door frame 1, the lifting beam 411 is lowered until the bottom of the sealing beam 412 and the side close to the door 3 come into contact, and the locking assembly includes a locking post 414 connected to the lifting beam 411, a locking seat 415 provided under the door frame 1, and a locking sleeve 416 fixed to the door 3 through which the locking post 414 passes. When the lifting beam 411 descends, the locking column 414 descends along with the lifting beam 411 until the bottom of the locking column 414 penetrates out of the bottom of the locking sleeve 416 and stretches into the locking seat 415, so that the door leaf 3 is locked. In addition, through the setting of bracing piece 413 for after sealed roof beam 412 is put in place, through the support of bracing piece 413, make sealed roof beam 412 receive down and towards door leaf 3's force, and then both forces can improve the sealed effect of reinforcement. Meanwhile, referring to fig. 10, since two P-type natural rubber strips are arranged in the sealing beam 412, in the descending process of the sealing beam 412, one P-type natural rubber strip seals with the ground, and the other P-type natural rubber strip presses the lower edge of the door leaf 3 along the stress direction to seal, so that the sealing effect of the airtight door is further improved.
In some implementations, further, the connecting fasteners of the present invention also provide waterproofing measures, such as bolts, screws, and the like. Referring to fig. 11, after the bolts are fixedly connected, waterproof caps are covered, and gaps between the bolt holes and gaps between the bolts and the fixed object are filled with waterproof materials. The waterproof material adopts EPDM (totally called Ethylene Propylene Diene Monomer, chinese name ethylene propylene diene monomer, which is a terpolymer of ethylene, propylene and non-conjugated diene) and has excellent chemical resistance and weather resistance as the waterproof material.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the essence of the present invention are intended to be included within the scope of the present invention.