CN112127774B - Sealing device for bottom of double-leaf threshold-free entrance/exit door of civil air defense engineering - Google Patents
Sealing device for bottom of double-leaf threshold-free entrance/exit door of civil air defense engineering Download PDFInfo
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- CN112127774B CN112127774B CN202011287308.0A CN202011287308A CN112127774B CN 112127774 B CN112127774 B CN 112127774B CN 202011287308 A CN202011287308 A CN 202011287308A CN 112127774 B CN112127774 B CN 112127774B
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- door leaf
- door
- sealing strip
- leaf
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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
- 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
- E06B3/362—Double winged doors or windows
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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
- E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
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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
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a sealing device for the bottom of a double-leaf doorless entrance/exit door of civil air defense engineering, which is arranged on a civil air defense door, wherein the civil air defense door comprises a door frame, a left door leaf and a right door leaf, and comprises a left pressure sealing structure, a right pressure sealing structure, a door leaf sealing structure and a door frame sealing structure, the door leaf sealing structures are respectively arranged at the bottoms of the left door leaf and the right door leaf, the door frame sealing structure is arranged at the bottom of the door frame, the left pressure sealing structure is arranged on the left door leaf, and the right pressure sealing structure is arranged on the right door leaf. The invention changes the traditional mode that the double-leaf door is sealed downwards through the lifting door leaf into the mode that the door leaf is not required to be lifted and is sealed downwards through the externally arranged pressing beam, thereby reducing the processing and manufacturing difficulty, facilitating the installation and the operation, improving the protective sealing performance of the door leaf, and having more advantages than the door leaf with large volume in the aspect of controlling the compression amount of the rubber strip.
Description
Technical Field
The invention relates to the technical field of civil air defense engineering equipment installation, in particular to a sealing device for the bottom of a double-leaf threshold-free entrance and exit door of civil air defense engineering.
Background
With the development of urban rail transit, subways form a huge underground civil air defense engineering network. The multifunctional emergency evacuation device is used for evacuating organization personnel and materials, storing, dispatching and transporting living materials, medical aid and the like in wartime, and brings great combat readiness benefits to the society. When a war comes, it is necessary to rapidly close a civil air defense door at the entrance and exit of a subway to prevent the damage of bombs and toxic gases, so the sealing performance of the door is very important, wherein the sealing of the bottom of the door is important.
Traditional access & exit civil air defense door substructure adopts the threshold form of moving, can accessible pass at ordinary times, then need install steel construction threshold transport to the gate during wartime, and the operation is more complicated, and maintenance is unchangeable. Or adopt door leaf and sealed integrated design down, need not interim installation, nevertheless need carry out the bottom with the whole lift of double-leaf door and seal, it is heavier during the operation, and key atress spare is easy to be broken, and the maintenance is changed frequently, consuming time hard. At present, 6 to 8 workers are needed for installing a cheek door, and in the closing and opening operation process, at least 3 workers are needed inside and outside the door leaf respectively, namely 6 workers still exist, and complicated steps of closing, descending and locking need to be carried out in a matched mode. The invention provides a sealing device for the bottom of a double-leaf threshold-free entrance door of a civil air defense project, which solves the problems.
Disclosure of Invention
The invention provides a sealing device for the bottom of a double-leaf entrance door without a threshold in civil air defense engineering, which overcomes the defect of the traditional sealing structure for the bottom of the double-leaf door.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a sealing device for the bottom of a double-leaf threshold-free entrance and exit door of civil air defense engineering is installed on a civil air defense door, the civil air defense door comprises a door frame, a left door leaf and a right door leaf and comprises a left pressure sealing structure, a right pressure sealing structure, a door leaf sealing structure and a door frame sealing structure, the door leaf sealing structures are respectively arranged at the bottoms of the left door leaf and the right door leaf, the door frame sealing structure is arranged at the bottom of the door frame, the left pressure sealing structure is arranged on the left door leaf, and the right pressure sealing structure is arranged on the right door leaf;
the left pressure sealing structure comprises a control device and a left sealing device, the left sealing device is connected to the left door leaf through the control device, the right pressure sealing structure comprises a control device and a right sealing device, and the right sealing device is connected to the right door leaf through the control device;
the inner side of the left sealing device is attached to a door leaf sealing structure of a left door leaf, the left end of the left sealing device is in extrusion contact with a door frame sealing structure on the left side of a door frame, the right end of the left sealing device is in extrusion contact with the left end of the right sealing device, and the bottom surface of the left sealing device is in extrusion contact with the door frame; the inner side of the right sealing device is in extrusion contact with the outer side face of the door leaf sealing structure of the right door leaf, the right end of the right sealing device is in extrusion contact with the door frame sealing structure on the right inner side face of the door frame, and the bottom face of the right sealing device is in extrusion contact with the door frame.
Furthermore, the left sealing device comprises a left pressing beam, a first sealing strip, a second sealing strip, a left supplement block and a third sealing strip, the left supplement block is arranged at the right end of the left pressing beam, the second sealing strip is arranged in the left supplement block, the first sealing strip is arranged on the left pressing beam, is positioned on the left end part and the bottom of the left pressing beam and extends to the bottom of the left supplement block, and the third sealing strip is horizontally arranged at the upper part of the left supplement block;
the right sealing device comprises a right pressing beam, a first sealing strip, a second sealing strip, a right supplementing block and a right pressing plate, wherein the right supplementing block is located at the left end of the right pressing beam, the second sealing strip is arranged in the left end of the right pressing beam, the first sealing strip is arranged on the right pressing beam, is located on the right end portion and the bottom of the right pressing beam and extends to the bottom of the right supplementing block, and the top of the right supplementing block is arranged on the right pressing plate.
Further, left side is pressed roof beam and right side and is pressed roof beam collineation setting, the relative setting of piece is mended with the right side to a left side, the mutual extrusion contact of the right-hand member face of the sealing strip two in the left side is mended with the right side, the top of the sealing strip two in the left side is mended with the bottom surface of sealing strip three and is connected, the bottom surface of right side clamp plate and the top surface extrusion contact of sealing strip three, the right-hand member of the sealing strip one of left side sealing device is connected with the two bottoms of sealing strip in the left side is mended, the right-hand member of the sealing strip one of right side sealing device is connected with the two bottoms of sealing strip in the right side is mended.
Further, the door leaf sealing structure comprises a mounting groove and a door leaf sealing strip, the mounting groove is horizontally arranged on the left door leaf and the right door leaf, and the door leaf sealing strip is arranged in the mounting groove;
the left pressing beam and the right pressing beam respectively comprise beam bodies and pressing strips, the pressing strips are arranged on the inner sides of the beam bodies in parallel, and the lower portions of the pressing strips are in extrusion contact with the door leaf sealing strips.
Furthermore, the two door frame sealing structures are oppositely arranged on the left inner side surface and the right inner side surface of the door frame; the door frame sealing structure comprises a base and a base sealing strip, and the base sealing strip is arranged at the top of the base; the outer end of a first sealing strip of the left sealing device is in extrusion contact with the base of the left door frame sealing structure; and the outer end of a first sealing strip of the right sealing device is in extrusion contact with the base of the right door frame sealing structure.
Further, the control device comprises a handle, a coupler, a commutator and a lifter, the handle and the commutator are fixed on the inner side of the door leaf, the coupler is arranged between the handle and the commutator, and the left sealing device and the right sealing device are connected with the commutator through the lifter.
Furthermore, the inner end faces of the left compensation block and the right compensation block are both slopes, the outer end face of the base is a curved face, and the left end face of the left pressing beam and the right end face of the right pressing beam are corresponding curved faces.
Furthermore, the inner side surface of the base sealing strip protrudes out of the base and is in extrusion contact with the side surface of the door leaf sealing strip, and the bottom surface of one outer end of the sealing strip is in extrusion contact with the top surface of the base sealing strip and the top surface of the door leaf sealing strip.
Preferably, the beam body is a long strip-shaped sealed hollow tube, the pressing strip is 7-shaped placed angle steel, and the mounting groove is formed by welding L-shaped placed angle steel on the inner side of the door leaf.
The invention has the following beneficial effects:
the traditional mode that the lower sealing is carried out on the double-leaf door through the lifting door leaf is changed into the mode that the lower sealing is carried out on the double-leaf door by using the externally arranged lower pressing beam without lifting the door leaf, so that the processing and manufacturing difficulty is reduced, the installation and the operation are convenient, the protective sealing performance of the door leaf is improved, and the effect of the small-size lower sealing beam on the control of the compression amount of the rubber strip is better than that of the large-size door leaf; meanwhile, the structure of the mutual transition part of the middle seam seal, the bottom seal and the door frame and door leaf seal is changed, the air tightness of the equipment is improved, the installation, the maintenance and the repair of the rubber strips are convenient, and great convenience is brought to factory production and field installation;
reducing the number of operators to 2 to 3, and reducing the construction period by half; and the method of lifting door leaves is cancelled, partial bottom sealing is realized by using the operation of pressing down and sealing, and the sealing device has better effects in the aspects of production, installation, operation and use while achieving the same sealing effect.
Drawings
FIG. 1 is a schematic view of the overall usage of the present invention;
FIG. 2 is a schematic view of the present invention in use;
FIG. 3 is a schematic view of the connection between the left-hand sealing structure and the door leaf sealing structure according to the present invention;
FIG. 4 is a schematic illustration of the position of the left and right compression seals of the present invention;
FIG. 5 is an exploded view of the left and right compression seals of the present invention;
FIG. 6 is a schematic view of the right side structure of the right compression beam of the present invention;
FIG. 7 is a schematic view of the left side of the right compression beam of the present invention;
FIG. 8 is a schematic diagram of a left patch combination of the present invention;
FIG. 9 is a schematic diagram of the left patch structure of the present invention;
FIG. 10 is a schematic diagram of a right patch combination of the present invention;
FIG. 11 is a schematic diagram of a right patch combination of the present invention;
fig. 12 is a schematic structural view of a door frame sealing mechanism according to the present invention.
Reference numerals are as follows: 1-left press seal structure, 11-control device, 12-left seal device, 121-left press beam, 122-first seal strip, 123-second seal strip, 124-left patch, 125-third seal strip, 2-right press seal structure, 21-right press seal device, 211-right press beam, 212-right patch, 213-right press plate, 3-door leaf seal mechanism, 31-installation groove, 32-seal strip, 4-door frame seal mechanism, 41-base, and 42-base seal strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
When the double-leaf door is closed, the left and right sides of the door frame can be sealed through the continuous and uninterrupted sealing strip joint between the door leaves and the door frame, but because the bottom cannot be provided with the doorsill, the sealing strip cannot be continuously arranged, a breakpoint sealing mode needs to be adopted, and the bottom needs to be sealed at four positions during sealing, including the gap between the door leaves and the bottom of the doorsill, the gap between the door leaves and the sealing devices, the gap between the splicing positions between the two door leaves and the splicing positions between the two sealing devices and the gap between the sealing devices and the doorsill.
As shown in fig. 1, 2 and 3, a sealing device for the bottom of a double-leaf entrance door without a threshold of civil air defense engineering is installed on a civil air defense door, the civil air defense door comprises a door frame, a left door leaf and a right door leaf, and comprises a left pressure sealing structure 1, a right pressure sealing structure 2, a door leaf sealing structure 3 and a door frame sealing structure 4, wherein the door leaf sealing structure 3 is respectively arranged at the bottom of the left door leaf and the bottom of the right door leaf, the door frame sealing structure 4 is arranged at the bottom of the door frame, the left pressure sealing structure 1 is arranged on the left door leaf, and the right pressure sealing structure 2 is arranged on the right door leaf.
As shown in fig. 1, the left pressing sealing structure 1 includes a control device 11 and a left sealing device 12, the left sealing device 12 is connected to the left door leaf through the control device 11, the right pressing sealing structure 2 includes a control device 11 and a right sealing device 21, and the right sealing device 21 is connected to the right door leaf through the control device 11.
As shown in fig. 1, 2 and 3, the inner side of the left sealing device 12 is attached to the door sealing structure 3 of the left door leaf, the left end thereof is in pressing contact with the door frame sealing structure 4 on the left side of the door frame, the right end thereof is in pressing contact with the left end of the right sealing device 21, and the bottom surface thereof is in pressing contact with the door frame; the inner side of the right sealing device 21 is in extrusion contact with the outer side surface of the door leaf sealing structure 3 of the right door leaf, the right end of the right sealing device is in extrusion contact with the door frame sealing structure 4 on the right inner side surface of the door frame, and the bottom surface of the right sealing device is in extrusion contact with the door frame.
As shown in fig. 1, 2 and 3, the implementation principle of the present invention is as follows: when the left pressure sealing structure 1 and the right pressure sealing structure 2 are pressed downwards, the sealing strips at the bottoms of the left pressure sealing structure 1 and the right pressure sealing structure 2 are in extrusion contact with the bottom surface of the door frame to seal a bottom gap between the door leaf and the door frame, the pressing strips at the inner sides of the left pressure sealing structure 1 and the right pressure sealing structure 2 extrude the door leaf sealing structure 3, and vertical gaps between the left pressure sealing structure 1 and the right pressure sealing structure 2 and the door leaf are sealed; the left pressing sealing structure 1 and the right pressing sealing structure 2 are in pressing contact with a door frame sealing structure 4 on a door frame, and a gap between the left pressing sealing structure and the door frame and a gap between the door frame and a door leaf are sealed; the left pressing sealing structure 1 and the right pressing sealing structure 2 are in mutual contact for sealing, and gaps between the door leaf sealing structures 3 are sealed. The gap between the door leaf and the door frame is completely attached and sealed, so that the airtight effect of the civil air defense door is realized.
As shown in fig. 4, 5, 8 and 10, the left sealing device 12 further includes a left pressing beam 121, a first sealing strip 122, a second sealing strip 123, a left complementary block 124 and a third sealing strip 125, the left complementary block 124 is disposed at the right end of the left pressing beam 121, the second sealing strip 123 is disposed therein, the first sealing strip 122 is disposed on the left pressing beam 121, is located at the left end and the bottom thereof, and extends to the bottom of the left complementary block 124, and the third sealing strip 125 is horizontally disposed at the upper portion of the left complementary block 124;
as shown in fig. 4, 5, 8, and 10, the right sealing device 21 includes a right pressing beam 211, a first sealing strip 122, a second sealing strip 123, a right supplement block 212, and a right pressing plate 213, the right supplement block 212 is located at the left end of the right pressing beam 211, the second sealing strip 123 is disposed inside the right supplement block 212, the first sealing strip 122 is disposed on the right pressing beam 211, located on the right end and the bottom of the right pressing beam, and extends to the bottom of the right supplement block 212, and the right pressing plate 213 is disposed at the top of the right supplement block 212.
As shown in fig. 2 and 4, further, the left pressing beam 121 and the right pressing beam 211 are arranged in a collinear manner, when the sealing device is in a sealing state, top surfaces of the left pressing beam 121 and the right pressing beam 211 are located on the same horizontal plane, the left patch 124 and the right patch 212 are arranged oppositely, a right end surface of the second sealing strip 123 in the left patch 124 and a left end surface of the second sealing strip 123 in the right patch 212 are in mutual pressing contact, a top end of the second sealing strip 123 in the left patch 124 is connected with a bottom surface of the third sealing strip 125, a bottom surface of the right pressing plate 213 is in pressing contact with a top surface of the third sealing strip 125, a right end of the first sealing strip 122 of the left sealing device 12 is connected with a bottom of the second sealing strip 123 in the left patch 124, and a right end of the first sealing strip 122 of the right sealing device 21 is connected with a bottom of the second sealing strip 123 in the right patch 212.
As shown in fig. 4 and 5, the first sealing strip 122, the second sealing strip 123 and the third sealing strip 125 of the left sealing device 12 are continuously disposed on the left and right end surfaces and the bottom surface of the left pressing beam 121, and the first sealing strip 122 and the second sealing strip 123 of the right sealing device 21 are continuously disposed on the left and right end surfaces and the bottom surface of the right pressing beam 211, and are in pressing contact at the middle butt joint position to form a complete and continuous sealing path, so as to seal the gap between the door frame and the door leaf and the self-butt joint gap.
As shown in fig. 3, further, the door leaf sealing structure 3 includes a mounting groove 31 and a door leaf sealing strip 32, the mounting groove 31 is horizontally disposed on the left door leaf and the right door leaf, the door leaf sealing strip 32 is disposed in the mounting groove 31, and the upper portion of the door leaf sealing strip protrudes outside the mounting groove 31;
as shown in fig. 3, 6 and 7, each of the left pressing beam 121 and the right pressing beam 211 includes a beam body and a pressing strip, the pressing strip is disposed in parallel inside the beam body, the top surface of the pressing strip is flush with the top surface of the beam body, and the lower portion of the pressing strip is in pressing contact with the door leaf sealing strip 32. The pressing strip is in extrusion contact with the door leaf sealing strip 32, so that the sealing of vertical gaps between the left pressure sealing structure 1 and the door leaf and the right pressure sealing structure 2 and the door leaf is realized.
As shown in fig. 6 and 7, preferably, the left end of the pressing strip of the right pressing beam 211 extends out of the beam body. The pressing strip extends out of the beam body and is used for pressing the door leaf sealing strip 32 in the door leaf sealing structure 3 between the left pressing beam 121 and the right pressing beam 211 to keep sealing, and the gap between the left pressing beam 121 and the right pressing beam 211 is sealed through the matching of the right pressing plate 213 and the third sealing strip 125.
Further, the inner side of the bottom surface of the third sealing strip 125 is in pressing contact with the abutting position of the door leaf sealing strips 32 on the two door leaves. The extrusion sealing of the splice seam of the door leaf sealing strip 32 between the two door leaves is realized.
As shown in fig. 12, further, two door frame sealing structures 4 are provided, and are oppositely provided on the left and right inner side surfaces of the door frame; the door frame sealing structure 4 comprises a base 41 and a base sealing strip 42, wherein the base sealing strip 42 is arranged at the top of the base 41; the outer end of the first sealing strip 122 of the left sealing device 12 is in pressing contact with the base 41 of the left doorframe sealing structure 4; the outer end of the first sealing strip 122 of the right sealing device 21 is in pressing contact with the base 41 of the right door frame sealing structure 4. The first sealing strip 122 is in extrusion contact with the end surface of the base, so that the end surface of the door frame sealing structure 4 is sealed with the contact surfaces of the left pressing sealing structure 1 and the right pressing sealing structure 2.
As shown in fig. 9 and 11, the inner end surfaces of the left and right compensation blocks 124 and 212 are both inclined surfaces of 45 ° and are disposed oppositely, the outer end surface of the base 41 is a curved surface, and the left end surface of the left pressing beam 121 and the right end surface of the right pressing beam 211 are correspondingly curved surfaces.
As shown in fig. 12, further, the inner side surface of the base sealing strip 42 protrudes out of the base 41 and is in pressing contact with the side surface of the door leaf sealing strip 32, and the bottom surface of the outer end of the first sealing strip 122 is in pressing contact with the top surface of the base sealing strip 42 and the top surface of the door leaf sealing strip 32 to seal the gap between the door frame sealing structure 4 and the inner side of the door leaf.
Preferably, the outer end of the first sealing strip 122 is a plane rubber block, the bottom surface of the plane rubber block is in compression contact with the top surface of the base sealing strip and the top surface of the door leaf sealing strip 32, and the outer ends of the left pressing beam 121 and the right pressing beam 211 extend to the upper side of the plane rubber block to press the plane rubber block to realize the compression contact sealing.
Preferably, the beam body is a long strip-shaped sealed hollow tube, so that the sealing effect is guaranteed, the pressing strip is a 7-shaped placed angle steel, and the mounting groove 31 is formed by welding the L-shaped placed angle steel on the inner side of the door leaf.
As shown in fig. 3, preferably, the beam body is provided with a continuous groove, and the first sealing strip 122 is located in the groove.
Preferably, the second sealing strip 123 is a diamond-shaped block and is arranged in a groove on the inner side of the left patch 124 and the right patch 212.
As shown in fig. 1, further, the control device 11 includes a handle, a coupler, a diverter, and a lifter, the handle and the diverter are fixed inside the door leaf, the coupler is disposed between the handle and the diverter, and the left sealing device 12 and the right sealing device 21 are connected to the diverter through the lifter. The above operating principle is as follows: an operator operates the handle, the handle transmits power to the commutator through the coupler, then the lifter connected to the commutator acts, and the left pressure sealing structure 1 and the right pressure sealing structure 2 are lifted.
The using method of the invention is as follows: an operator closes the left door leaf and the right door leaf, drives the lifter through the manual operation handle after the door leaves are closed in place, firstly presses the left pressure sealing structure 1 down in place and locks, and then presses the right pressure sealing structure 2 down in place and locks to realize complete sealing. The application method is simple, the sealing effect is good, an external sealing device is adopted, and the maintenance is easy.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claims.
Claims (5)
1. A sealing device for the bottom of a double-leaf entrance-exit door without a threshold in civil air defense engineering is installed on a civil air defense door, wherein the civil air defense door comprises a door frame, a left door leaf and a right door leaf and is characterized by comprising a left pressure sealing structure (1), a right pressure sealing structure (2), a door leaf sealing structure (3) and a door frame sealing structure (4), wherein the door leaf sealing structure (3) is respectively arranged at the bottom of the left door leaf and the bottom of the right door leaf, the door frame sealing structure (4) is arranged at the bottom of the door frame, the left pressure sealing structure (1) is arranged on the left door leaf, and the right pressure sealing structure (2) is arranged on the right door leaf;
the left pressing sealing structure (1) comprises a control device (11) and a left sealing device (12), the left sealing device (12) is connected to a left door leaf through the control device (11), the right pressing sealing structure (2) comprises the control device (11) and a right sealing device (21), and the right sealing device (21) is connected to a right door leaf through the control device (11);
the inner side of the left sealing device (12) is attached to a door leaf sealing structure (3) of a left door leaf, the left end of the left sealing device is in extrusion contact with a door frame sealing structure (4) on the left side of a door frame, the right end of the left sealing device is in extrusion contact with the left end of a right sealing device (21), and the bottom surface of the left sealing device is in extrusion contact with the door frame; the inner side of the right sealing device (21) is in extrusion contact with the outer side face of the door leaf sealing structure (3) of the right door leaf, the right end of the right sealing device is in extrusion contact with the door frame sealing structure (4) on the right inner side face of the door frame, and the bottom face of the right sealing device is in extrusion contact with the door frame;
the left sealing device (12) comprises a left pressing beam (121), a first sealing strip (122), a second sealing strip (123), a left supplementing block (124) and a third sealing strip (125), the left supplementing block (124) is arranged at the right end of the left pressing beam (121), the second sealing strip (123) is arranged in the left supplementing block, the first sealing strip (122) is arranged on the left pressing beam (121), is positioned on the left end part and the bottom of the left pressing beam and extends to the bottom of the left supplementing block (124), and the third sealing strip (125) is horizontally arranged at the upper part of the left supplementing block (124);
the right sealing device (21) comprises a right pressing beam (211), a first sealing strip (122), a second sealing strip (123), a right supplement block (212) and a right pressing plate (213), the right supplement block (212) is positioned at the left end of the right pressing beam (211), the second sealing strip (123) is arranged in the right supplement block, the first sealing strip (122) is arranged on the right pressing beam (211), positioned on the right end part and the bottom of the right pressing beam and extended to the bottom of the right supplement block (212), and the right pressing plate (213) is arranged at the top of the right supplement block (212);
the control device (11) comprises a handle, a coupler, a commutator and a lifter, wherein the handle and the commutator are fixed on the inner side of the door leaf, the coupler is arranged between the handle and the commutator, and the left sealing device (12) and the right sealing device (21) are connected with the commutator through the lifter;
the left pressing beam (121) and the right pressing beam (211) are arranged in a collinear manner, the left supplementing block (124) and the right supplementing block (212) are arranged oppositely, the right end face of a second sealing strip (123) in the left supplementing block (124) is in mutual extrusion contact with the left end face of the second sealing strip (123) in the right supplementing block (212), the top end of the second sealing strip (123) in the left supplementing block (124) is connected with the bottom face of a third sealing strip (125), the bottom face of the right pressing plate (213) is in extrusion contact with the top face of the third sealing strip (125), the right end of a first sealing strip (122) of the left sealing device (12) is connected with the bottom of the second sealing strip (123) in the left supplementing block (124), and the right end of a first sealing strip (122) of the right sealing device (21) is connected with the bottom of the second sealing strip (123) in the right supplementing block (212);
the door leaf sealing structure (3) comprises an installation groove (31) and door leaf sealing strips (32), the installation groove (31) is horizontally arranged on the left door leaf and the right door leaf, and the door leaf sealing strips (32) are arranged in the installation groove (31);
the left pressing beam (121) and the right pressing beam (211) both comprise beam bodies and pressing strips, the pressing strips are arranged on the inner sides of the beam bodies in parallel, and the lower portions of the pressing strips are in extrusion contact with the door leaf sealing strips (32).
2. The sealing device for the bottom of the civil air defense construction double-leaf doorless entrance and exit door as claimed in claim 1, wherein: the two door frame sealing structures (4) are arranged and are oppositely arranged on the left inner side surface and the right inner side surface of the door frame; the door frame sealing structure (4) comprises a base (41) and a base sealing strip (42), wherein the base sealing strip (42) is arranged at the top of the base (41); the outer end of a first sealing strip (122) of the left sealing device (12) is in pressing contact with a base (41) of the left doorframe sealing structure (4); the outer end of a first sealing strip (122) of the right sealing device (21) is in pressing contact with a base (41) of the right door frame sealing structure (4).
3. The sealing device for the bottom of the civil air defense construction double-leaf doorless entrance and exit door of claim 2, wherein: the inner end faces of the left supplement block (124) and the right supplement block (212) are slope faces, the outer end face of the base (41) is a curved face, and the left end face of the left pressing beam (121) and the right end face of the right pressing beam (211) are corresponding curved faces.
4. The sealing device for the bottom of the civil air defense construction double-leaf doorless entrance and exit door as claimed in claim 2, wherein: the inner side surface of the base sealing strip (42) protrudes out of the base (41) and is in compression contact with the side surface of the door leaf sealing strip (32), and the bottom surface of the outer end of the first sealing strip (122) is in compression contact with the top surface of the base sealing strip (42) and the top surface of the door leaf sealing strip (32).
5. The sealing device for the bottom of the civil air defense construction double-leaf doorless entrance and exit door as claimed in claim 1, wherein: the beam body is a long strip-shaped sealed hollow tube, the pressing strip is 7-shaped placed angle steel, and the mounting groove (31) is formed by welding the L-shaped placed angle steel on the inner side of the door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287308.0A CN112127774B (en) | 2020-11-17 | 2020-11-17 | Sealing device for bottom of double-leaf threshold-free entrance/exit door of civil air defense engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287308.0A CN112127774B (en) | 2020-11-17 | 2020-11-17 | Sealing device for bottom of double-leaf threshold-free entrance/exit door of civil air defense engineering |
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| CN112127774A CN112127774A (en) | 2020-12-25 |
| CN112127774B true CN112127774B (en) | 2023-01-17 |
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| CN112127774A (en) | 2020-12-25 |
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