CN110630152A - Biological shielding door - Google Patents
Biological shielding door Download PDFInfo
- Publication number
- CN110630152A CN110630152A CN201910898660.9A CN201910898660A CN110630152A CN 110630152 A CN110630152 A CN 110630152A CN 201910898660 A CN201910898660 A CN 201910898660A CN 110630152 A CN110630152 A CN 110630152A
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- Prior art keywords
- door
- door frame
- sealing
- door leaf
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
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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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- 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
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Landscapes
- 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 biological shielding door, which comprises: door frame, door leaf, hold-down mechanism and watertight structure. Hold-down mechanism includes fixed block, connecting block, bolt and butterfly nut, and the watertight construction includes sealing and sealed cooperation portion, and the sealing includes fixed plate and closing plate. According to the biological shielding door, under the action of the pressing mechanism and the watertight structure, the watertight performance between the door frame and the door leaf is improved, wherein when the door leaf is closed, the bolt is turned into the abdicating notch, the butterfly nut is screwed into the bolt, so that the door leaf is tightly attached to the door frame, and at the moment, the sealing rubber strip is stressed and deformed, so that the watertight performance between the door frame and the door leaf is improved; simultaneously, sealing portion and sealed cooperation portion all bury underground on the wall body, and joint strip sets up on the side of sealed cooperation portion towards the door leaf, is difficult to cause the influence to joint strip when the conflagration appears, still can keep original elastic state after the conflagration, has improved life.
Description
Technical Field
The invention relates to the technical field of special nuclear power protection, in particular to a biological shielding door.
Background
At present, the nation proposes in the aspect of nuclear power autonomy: the autonomous design, autonomous manufacturing, autonomous construction and autonomous operation of the advanced million-kilowatt pressurized water reactor nuclear power station are realized, the construction and operation management mode of international advanced horizontal connection is comprehensively established, and a relatively complete autonomous nuclear power industrial system is formed. In the project of the previous domestic nuclear power station construction, as the design and manufacturing technology of domestic nuclear power matching equipment is not mature enough, the matched biological shielding door of the nuclear power station is imported from abroad, the purchase period is long, the cost is high, and a lot of difficulties are brought to the maintenance and the repair work of special doors after the nuclear power station is put into operation. Therefore, domestic nuclear power construction enterprises need to research and develop the localization technology for designing and manufacturing the special-purpose door, and the autonomy requirement of the special-purpose door matching products of the domestic nuclear power station is met.
Chinese patent 201220177316.4 discloses a fire-proof biological shield door, belonging to the technical field of special door facilities of nuclear power stations. The fireproof biological shielding door comprises a door frame fixed at a door opening of a wall body, wherein the side edge of the door frame is hinged with at least one door leaf through a hinge, and the door leaf comprises a metal door plate coated with a flame-retardant fireproof plate and/or a fireproof plate; a handle is arranged on one side of the door leaf away from the hinge; and a fireproof sealing piece is arranged in a gap between the door leaf and the door frame. The fireproof biological shielding door meets the shielding and radiation-proof safe use requirements of the nuclear power station, has the characteristics of long-time fire prevention and high temperature resistance, and can be widely applied to the field of construction of special doors of the nuclear power station in China.
However, in the connection structure between the door leaf and the door frame of the fire-proof biological shielding door, the sealing strip and the fire-proof sealing member which expands when exposed to heat are adopted for fire-proof shielding, although the purpose of fire prevention can be achieved, the water tightness of the structure is poor, when water in the door rises, the fire-proof biological shielding door can expose the defect of low waterproof performance due to the increase of water pressure, so that water overflows out of the door, and nuclear pollution can be seriously caused.
Disclosure of Invention
Therefore, it is necessary to provide a biological shielding door for the technical problem of poor water tightness.
A biological shielded door, comprising: the door comprises a door frame, a door leaf, a pressing mechanism and a watertight structure, wherein the door frame is arranged in an external wall body, the door leaf is rotatably connected with the door frame, the door frame is provided with a door opening, and the door leaf cover is arranged in the door opening and is abutted against the edge of the door opening; the pressing mechanism comprises a fixed block, a connecting block, a bolt and a butterfly nut, the fixed block is installed on a side edge area of the door frame, the connecting block is installed on a side edge area of the door leaf, an abdicating notch is formed in the connecting block, the bolt is rotatably connected with the fixed block, the bolt is clamped into the abdicating notch, and the butterfly bolt is in threaded connection with the bolt and is abutted to the connecting block; the sealing structure comprises a sealing part and a sealing matching part, the sealing part comprises a fixing plate and a sealing plate, the fixing plate is connected with the door frame and is embedded in an external wall body, the sealing plate is an L-shaped plate, the sealing plate comprises an integrally formed mounting plate and an abutting plate, and the mounting plate is arranged between the fixing plate and the door frame and is respectively connected with the fixing plate and the door frame; the sealing matching part is buried in an external wall, one side of the sealing matching part is abutted to the abutting plate, and a sealing rubber strip is arranged on one side face, facing the door leaf, of the sealing matching part and abutted to the door leaf.
In one embodiment, the biological shield door further comprises a plurality of hinges, and each hinge is respectively connected with the door leaf and the door frame.
In one embodiment, the hinges are uniformly arranged on the same side of the door frame at intervals.
In one embodiment, the biological shield door further comprises a pull handle disposed on a side region of the door leaf remote from the hinge.
In one embodiment, the number of the pressing mechanisms is two, and the two pressing mechanisms are respectively positioned at two opposite sides of the handle.
In one embodiment, the door frame is provided with a fixing rod for embedding in an external wall.
In one embodiment, the end of the fixing rod is provided with a limiting ring, and the limiting ring is arranged to protrude out of the surface of the fixing rod.
According to the biological shielding door, the door frame is arranged on the external wall body, so that the door leaf is rotatably connected with the door frame, and under the action of the pressing mechanism and the watertight structure, the watertight performance between the door frame and the door leaf is improved, wherein after the door leaf is closed, the bolt is turned into the abdication notch, the butterfly nut is screwed into the bolt, so that the door leaf is tightly attached to the door frame, and at the moment, the sealing rubber strip is stressed and deformed, so that the watertight performance between the door frame and the door leaf is improved; simultaneously, sealing portion and sealed cooperation portion all bury underground on the wall body, and joint strip sets up on the side of sealed cooperation portion towards the door leaf, is difficult to cause the influence to joint strip when the conflagration appears, still can keep original elastic state after the conflagration, has improved life.
Drawings
FIG. 1 is a schematic view of a biological barrier according to one embodiment;
FIG. 2 is a schematic cross-sectional view of A-A in the embodiment of FIG. 1;
FIG. 3 is a schematic cross-sectional view of B-B in the embodiment shown in FIG. 1;
FIG. 4 is a schematic cross-sectional view of C-C in the embodiment of FIG. 1;
FIG. 5 is a schematic cross-sectional view of D-D in the embodiment of FIG. 1.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1 to 5, the present invention provides a biological shielding door 10, wherein the biological shielding door 10 includes: the door comprises a door frame 100, a door leaf 200, a pressing mechanism 300 and a watertight structure 400, wherein the door frame 100 is used for being installed in an external wall body 90, the door leaf 200 is rotatably connected with the door frame 100, the door frame 100 is provided with a door opening 110, and the door leaf 200 covers the door opening 110 and is abutted against the edge of the door opening 110. The pressing mechanism 300 comprises a fixing block 310, a connecting block 320, a bolt 330 and a butterfly nut 340, wherein the fixing block 310 is installed on the side edge area of the door frame 100, the connecting block 320 is installed on the side edge area of the door leaf 200, an abdicating notch 321 is formed in the connecting block 320, the bolt 330 is rotatably connected with the fixing block 310, the bolt 330 is clamped into the abdicating notch 321, and the butterfly bolt 330 is in threaded connection with the bolt 330 and abuts against the connecting block 320. The watertight structure 400 includes a sealing portion 410 and a sealing engagement portion 420, the sealing portion 410 includes a fixing plate 411 and a sealing plate 412, the fixing plate 411 is connected to the door frame 100 and is used to be embedded in the external wall 90, the sealing plate 412 is an L-shaped plate, the sealing plate 412 includes an integrally formed mounting plate 4121 and an abutting plate 4122, the mounting plate 4121 is disposed between the fixing plate 411 and the door frame 100 and is connected to the fixing plate 411 and the door frame 100, respectively. The seal engaging portion 420 is embedded in the outer wall 90, one side of the seal engaging portion 420 abuts against the abutting plate 4122, a sealing rubber strip 421 is provided on one side surface of the seal engaging portion 420 facing the door 200, and the sealing rubber strip 421 abuts against the door 200.
Above-mentioned biological shield door 10, through installing door frame 100 on external wall 90 for door leaf 200 rotates with door frame 100 and is connected, under hold-down mechanism 300 and watertight structure 400's effect, has improved the watertight performance between door frame 100 and the door leaf 200, wherein, after turning over bolt 330 into abdicating breach 321 when closing door leaf 200, can make door leaf 200 hug closely door frame 100 after screwing in bolt 330 with butterfly nut 340, joint strip 421 atress takes place to deform this moment and has improved the watertight performance between door frame 100 and the door leaf 200. Meanwhile, the sealing part 410 and the sealing matching part 420 are embedded in the wall body 90, and the sealing rubber strip 421 is arranged on one side surface of the sealing matching part 420 facing the door leaf 200, so that the sealing rubber strip 421 is difficult to be affected when a fire disaster occurs, the original elastic state can be still kept after the fire disaster occurs, and the service life is prolonged.
In one embodiment, the sealing matching portion 420 comprises a sealing rubber strip 421, a grouting member 422, a clamping member 423 and a limiting strip 424, the clamping member 423 is of a U-shaped structure, the clamping member 423 comprises an integrally formed abutting matching plate 4231, a bottom plate 4232 and a clamping plate 4233, the abutting matching plate 4231, the bottom plate 4232 and the clamping plate 4233 are respectively embedded in an external wall body, the abutting matching plate 4231 abuts against the abutting plate 4122, the grouting member 422 is of a U-shaped structure, the grouting member 422 is connected with the bottom plate 4232 in a manner of being back to the abutting matching plate 4231, a grouting passage 4221 is formed between the grouting member 422 and the bottom plate 4232, the grouting passage 4221 is used for grouting cement mortar, and the grouting member 422 abuts against the abutting plate 4122. Spacing strip 424 is connected with bottom plate 4232 dorsad joint board 4233, and the bottom surface of grout piece 422, the bottom surface of spacing strip 424 and the bottom surface coplane of bottom plate 4232 have sealed logical groove 425 between spacing strip 424 and the grout piece 422, and joint strip 421 inserts and installs in sealed logical groove 425, and joint strip 421 protrusion in the notch of sealed logical groove 425 and with door leaf 200 butt. So, sealing 410 and sealed cooperation portion 420 are all buried underground on wall body 90, have sealed logical groove 425 between spacing 424 and grout piece 422, and joint strip 421 sets up on the side of sealed cooperation portion towards the door leaf to joint strip 421 embedding is installed in sealed logical groove 425, is difficult to cause the influence to joint strip 421 when the conflagration appears, still can keep original elastic state after the conflagration is crossed, has improved life.
To facilitate installation of the mounting plate 4121, in one embodiment, the fixing plate 411 is opened with a slot 4111 facing the door frame 100, and the mounting plate 4121 is inserted into the slot 4111. Further, the depth of the slot 4111 is equal to the width of the mounting plate 4121, and the width of the slot is equal to the thickness of the mounting plate 4121. In one embodiment, the abutting plate 4122 protrudes perpendicularly from the side of the fixing plate 411. Thus, the insertion groove 4111 can improve the installation efficiency of the installation plate 4121 and the connection stability between the installation plate 4121 and the fixing plate 411 and the door frame 200.
In one embodiment, the depth of the sealing channel 425 is less than the thickness of the bead 421, and the width of the sealing channel 425 is less than the width of the bead 421. This allows the sealing strip 421 to be exposed to the sealing through groove 425, thereby facilitating the quick contact with the door leaf 200 and achieving the watertight performance.
In one embodiment, the connection between the abutting plate 4122 and the abutting engagement plate 4231 corresponds to the seam between the door frame and the door leaf, i.e. the edge region of the door opening 110. Preferably, the mounting plate 4121 and the grout member 422 correspond to the door frame and the door leaf at the door gap, respectively. Preferably, the sealed channel 425 is located away from the door frame and door leaf gaps. Preferably, the sealing through-groove 425 has a rectangular structure, and the sealing rubber strip 421 has a rectangular structure. Preferably, the connecting member 423, the grouting member 422 and the position limiting strip 424 are integrally formed. Like this, the crack department of door frame and door leaf does not have direct and interior space direct intercommunication of door, can avoid gaseous from the crack department of door frame and door leaf to spill over when atmospheric pressure is too high to a great extent, has improved biological shield door's gas tightness.
In order to improve the stability of the rotational connection between the door leaf and the door frame, in one embodiment, the biological shield door further includes a plurality of hinges, and each hinge is connected to the door leaf and the door frame respectively. In one embodiment, the hinges are evenly spaced on the same side of the door frame. So, through the hinge that a plurality of intervals evenly set up, door leaf and door frame are connected under the rotation of a plurality of hinges, and both can remain stable rotation connection relation, and the door leaf rotates the process and more is smooth and fluent.
To facilitate opening of the door leaf, in one embodiment, the biological shield door further comprises a pull disposed on a side region of the door leaf remote from the hinge. Preferably, the handle is screwed on the door leaf for easy installation and for easy replacement when the handle is damaged. So, can easily open the heavier door leaf of quality through the handle by the moment principle.
In order to further improve the watertight performance of the biological shield door, in one embodiment, the number of the compression mechanisms is two, and the two compression mechanisms are respectively positioned at two opposite sides of the handle. So, two hold-down mechanism cooperation a plurality of intervals hinge that evenly set up can be so that the door leaf keep when closing with joint strip's even contact and inseparable butt, improved biological shield door's watertight performance effectively.
In order to improve the stability of the connection of the door frame to the external wall, in one embodiment, the door frame is provided with a fixing rod, and the fixing rod is used for being buried in the external wall. Preferably, the end of the fixing rod is provided with a limiting ring, and the limiting ring is arranged to protrude out of the surface of the fixing rod. Preferably, the door frame is integrally provided with a fixing rod. So, through the dead lever and set up in the terminal spacing ring of dead lever, when door frame and outside wall connection, the dead lever buries in the cement mortar of outside wall, treats that cement mortar keeps being connected with the stability of outside wall after the solidification, can improve door frame and outside wall connection's stability indirectly like this.
In order to further improve the stability of the connection between the door frame and the external wall, in one embodiment, the door frame is further provided with an installation portion and a limiting portion, the installation portion and the limiting portion are integrally formed and are of an L-shaped structure, a reinforcing portion is arranged at the joint of the installation portion and the limiting portion, and the fixing rod is connected with the reinforcing portion. The mounting hole has been seted up to the installation department, and the installation department is used for connecting the door frame through the mounting hole, and the installation department is provided with a plurality of trips and a plurality of spacing post towards the dead lever, and the trip slope sets up, and the trip includes integrated into one piece's trip post and colludes the portion, and the trip post has the preset acute angle with the one side of installation department towards the dead lever, and the end of spacing post is connected with trip post and colluding the portion respectively. Spacing portion is provided with a plurality of right angle posts towards the dead lever, and the right angle post is L style of calligraphy structure, the terminal installation department of orientation of right angle post. The dead lever is including strengthening post, a plurality of screens posts, upper bend portion and lower bending portion, and the one end and the reinforcing portion of strengthening the post are connected, and the other end of strengthening the post passes through the spacing ring to be connected with upper bend portion and lower bending portion respectively, and a plurality of screens posts surround and strengthen the post setting, and upper bend portion sets up towards the bending of spacing portion, and lower bending portion sets up towards the installation department is crooked. So, through the cooperation of trip and spacing post, under the spacing of a plurality of right angle posts to and strengthen the effect of post, a plurality of screens post, go up flexion and lower flexion, when installing at the wall body, behind secondary pouring cement mortar, this dead lever will be fixed on the wall body by firm installation, compact structure is stable, and compressive capacity is strong, and load capacity is high.
Furthermore, the mounting part and the limiting part are made of steel materials, and are integrally cast and formed to be connected into an L-shaped structure. In one embodiment, the joint of the mounting part and the limiting part is integrally provided with a reinforcing part, that is, the joint of the mounting part and the limiting part is thickened to form the reinforcing part. In one embodiment, one end of the reinforcing post is welded to the reinforcing portion. Therefore, when the reinforcing column is welded with the reinforcing part, the welding flux can be increased without considering the welding penetration caused by overhigh temperature during welding, the welding difficulty is reduced, and the connection stability of the reinforcing column and the reinforcing part is improved.
In one embodiment, the ends of the limiting columns are respectively welded with the ends of the clamping columns and the ends of the hook parts. In one embodiment, the plurality of hooks are distributed on the surface of the mounting portion facing the fixing rod in a matrix manner. A plurality of spacing posts are distributed in the surface of installation department towards the dead lever in the matrix. Preferably, the limiting column, the clamping column and the hook part are integrally formed. The limiting column, the clamping column and the hook part form a limiting space together. When cement mortar is poured for the second time, the limiting space can contain part of cement mortar, and after the cement mortar is solidified, the limiting column, the clamping column and the hook part are firmly combined with the solidified cement mortar. So, after installation department and door frame are connected, the door frame is to the power of installation department effect trip and spacing post dorsad, and under the effect of a plurality of trips and spacing post, the door frame will further transmit the effort of installation department to trip and spacing post, and cement mortar after the solidification this moment is stable firm, and then makes the installation department stable firm with being connected of door frame, further improvement the fastness of air-tight door fixed knot structure.
In one embodiment, the predetermined acute angle is from degree to degree. Preferably, the preset acute angle is degree, so that the limiting space is of a structure similar to a right triangle, the stress among the limiting column, the clamping column and the hook part is balanced, and the improvement of the connection stability of the clamping column, the limiting column and the solidified cement mortar is facilitated. Preferably, the preset acute angle is degree, so that the limiting space is of an equilateral triangle structure, the stress among the limiting column, the clamping column and the hook part is balanced, and the improvement of the connection stability of the clamping hook and the limiting column and the solidified cement mortar is facilitated.
In one embodiment, the limiting portion and the mounting portion are both of a square plate structure. According to actual installation requirements, the limiting part and the installation part can be of a long strip-shaped structure or a block-shaped structure. The limiting parts and the installation parts of the strip-shaped structures can be integrally installed on the side edge of the wall body door opening, and the block-shaped limiting parts and the installation parts can be installed at the end part or the middle part of the side edge of the wall body door opening and the like of the area receiving the larger external force of the door frame, so that the stability of the door frame after installation is improved.
In one embodiment, the right-angle columns are uniformly distributed on the surface of the limiting part facing the fixing rod at intervals. When the cement mortar is poured for the second time, the right-angle columns are coated, and after the cement mortar is solidified, the right-angle columns are firmly combined with the solidified cement mortar. So, the door frame is towards the installation department to the power of spacing portion effect, and under the effect of a plurality of right angle posts, the door frame will further transmit to a plurality of right angle posts to the effort of spacing portion, and cement mortar after the solidification this moment is stable firm, and then makes the stable firm in connection of spacing portion and door frame, further improvement airtight door fixed knot constructs's fastness.
Further, a plurality of screens post are the heliciform setting around strengthening the post, like this, can improve the contact surface when screens post and the cement mortar after the solidification combine, improve the structural strength after connecting. In one embodiment, the other end of the reinforcing column is welded to the upper and lower curved portions, respectively. In another embodiment, the reinforcement post, the upper curved portion and the lower curved portion are integrally formed. Therefore, when cement mortar is poured for the second time, the clamping column, the reinforcing column, the upper bending part and the lower bending part are coated, and after the cement mortar is cured, the clamping column, the reinforcing column, the upper bending part and the lower bending part are firmly combined with the cured cement mortar. Like this, through screens post, reinforcing column, last flexion and lower bending part provide reaction force to spacing portion and installation department jointly, that is to say, after the installation department is connected with the doorframe, the door frame can transmit to last flexion and lower bending part under the effect of installation department, and go up flexion and lower bending part can carry out reaction force's support to the doorframe, very big improvement air-tight door fixed knot constructs's stability, promoted air-tight door fixed knot constructs's compressive capacity and load carrying capacity.
In an embodiment, biological shield door still includes the zip, the zip includes the guide block, first cooperation piece, the second cooperation piece, locking lever and tapered end, guide block and first cooperation piece are installed on the side region of door leaf, the second cooperation piece is installed on the side region of door frame, the guiding hole has been seted up to the guide block, first mating holes has been seted up to first cooperation piece, the second mating holes has been seted up to the second cooperation piece, the one end of locking lever is provided with the stopper, the lockhole has been seted up to the other end of locking lever, the guiding hole is worn to establish in proper order by the locking lever, first mating holes and second mating holes, stopper and guide block butt, the lockhole exposes in second cooperation piece dorsad to first cooperation piece, the tapered end is worn to establish the lockhole and is connected with the locking lever. Therefore, the safety performance of the biological shielding door is improved through the zipper.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A biological barrier door, comprising: the door comprises a door frame, a door leaf, a pressing mechanism and a watertight structure, wherein the door frame is arranged in an external wall body, the door leaf is rotatably connected with the door frame, the door frame is provided with a door opening, and the door leaf cover is arranged in the door opening and is abutted against the edge of the door opening;
the pressing mechanism comprises a fixed block, a connecting block, a bolt and a butterfly nut, the fixed block is installed on a side edge area of the door frame, the connecting block is installed on a side edge area of the door leaf, an abdicating notch is formed in the connecting block, the bolt is rotatably connected with the fixed block, the bolt is clamped into the abdicating notch, and the butterfly bolt is in threaded connection with the bolt and is abutted to the connecting block;
the sealing structure comprises a sealing part and a sealing matching part, the sealing part comprises a fixing plate and a sealing plate, the fixing plate is connected with the door frame and is embedded in an external wall body, the sealing plate is an L-shaped plate, the sealing plate comprises an integrally formed mounting plate and an abutting plate, and the mounting plate is arranged between the fixing plate and the door frame and is respectively connected with the fixing plate and the door frame; the sealing matching part is buried in an external wall, one side of the sealing matching part is abutted to the abutting plate, and a sealing rubber strip is arranged on one side face, facing the door leaf, of the sealing matching part and abutted to the door leaf.
2. The biological screen door of claim 1, further comprising a plurality of hinges, each hinge being connected to the door leaf and the door frame, respectively.
3. The biological screen door of claim 2, wherein each of the hinges is spaced evenly on the same side of the door frame.
4. The biological screen door of claim 1, further comprising a pull disposed on a side region of the door leaf remote from the hinge.
5. The biological screen door of claim 4, wherein the number of the hold-down mechanisms is two, the two hold-down mechanisms being located on opposite sides of the pull handle.
6. The biological screen door of any one of claims 1 to 5, wherein the door frame is provided with a fixing bar for burying in an external wall.
7. The biological screen door of claim 6, wherein the end of the fixing rod is provided with a stop ring, and the stop ring is disposed to protrude from the surface of the fixing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910898660.9A CN110630152B (en) | 2019-09-23 | 2019-09-23 | Biological shielding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910898660.9A CN110630152B (en) | 2019-09-23 | 2019-09-23 | Biological shielding door |
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| Publication Number | Publication Date |
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| CN110630152A true CN110630152A (en) | 2019-12-31 |
| CN110630152B CN110630152B (en) | 2020-10-20 |
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| CN201910898660.9A Active CN110630152B (en) | 2019-09-23 | 2019-09-23 | Biological shielding door |
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| BE882389A (en) * | 1979-04-04 | 1980-09-24 | Dalmas S A R L Ets | WATERPROOF DOOR CLOSING DEVICE |
| WO2011141679A1 (en) * | 2010-05-12 | 2011-11-17 | Plastimo Marine | Opening and flush-fitting porthole structure for a boat and boat comprising at least one such structure |
| GB2505394A (en) * | 2012-06-20 | 2014-03-05 | Stephen John Barnard | Flood resistant door and two part frame |
| CN202645362U (en) * | 2012-06-29 | 2013-01-02 | 台山平安五金制品有限公司 | Watertight fire-proof door |
| CN203441319U (en) * | 2013-06-30 | 2014-02-19 | 天长市远洋船舶设备有限公司 | Wind and rain tightness steel fireproof door |
| CN104533257A (en) * | 2015-01-06 | 2015-04-22 | 刘炎 | Sealing device for sliding watertight door |
| CN207332657U (en) * | 2017-10-12 | 2018-05-08 | 郑州佛光发电设备有限公司 | Seal profile for shelter door |
| CN208456388U (en) * | 2018-07-11 | 2019-02-01 | 深圳市龙电兴业科技有限公司 | A kind of novel single-layer plate sealed door |
| CN209369653U (en) * | 2018-10-22 | 2019-09-10 | 江阴市船舶设备制造有限公司 | Light-duty watertight door |
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|---|---|
| CN110630152B (en) | 2020-10-20 |
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