CN114541926A - Bidirectional push-pull type protective airtight door and using method thereof - Google Patents
Bidirectional push-pull type protective airtight door and using method thereof Download PDFInfo
- Publication number
- CN114541926A CN114541926A CN202210165771.0A CN202210165771A CN114541926A CN 114541926 A CN114541926 A CN 114541926A CN 202210165771 A CN202210165771 A CN 202210165771A CN 114541926 A CN114541926 A CN 114541926A
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- Prior art keywords
- door
- main body
- door main
- assembly
- sealing strip
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- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 6
- 230000002457 bidirectional effect Effects 0.000 title abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 114
- 229920001971 elastomer Polymers 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 229920002379 silicone rubber Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract description 10
- 238000000429 assembly Methods 0.000 abstract description 10
- 230000002265 prevention Effects 0.000 description 12
- 238000003466 welding Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- 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
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/46—Horizontally-sliding wings
- E06B3/4636—Horizontally-sliding wings for doors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/635—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
-
- 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
-
- 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
- E06B7/2305—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging
- E06B7/2312—Plastic, sponge rubber, or like strips or tubes with an integrally formed part for fixing the edging with two or more sealing-lines or -planes between the wing and part co-operating with the wing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
Abstract
The invention discloses a bidirectional push-pull type protective airtight door which comprises a door frame, wherein a first door main body and a second door main body are arranged on the door frame in a sliding manner, a plurality of sliding assemblies are arranged on the first door main body and the second door main body respectively, inverted U-shaped grooves are formed in the bottoms of the first door main body and the second door main body respectively, and a plurality of travelling wheels are rotatably arranged in the inverted U-shaped grooves; the anti-derailing door is characterized in that anti-derailing brackets are arranged on two sides of the first door main body and the second door main body, an upper transverse sealing strip, a vertical sealing strip, a lower transverse sealing strip and a fireproof brush are arranged on the front panel, racks, tooth-shaped sealing rubber strips and locking assemblies are arranged on the first door main body and the second door main body, and a driving assembly is arranged on the ground; pull rings are further arranged on the side faces of the first door body and the second door body. The airtight door has two control modes of manual operation and electric operation, is good in safety, has the advantages of light weight and high strength, and is good in sealing performance, strong in protection performance and simple in operation.
Description
Technical Field
The invention relates to the technical field of civil air defense engineering, in particular to a bidirectional push-pull type protective airtight door and a using method thereof.
Background
When the hole of defence or underground structure construction, set up one or more airtight door usually, be used for the door of blocking up in wartime to protect, this airtight door usually need have and blocks two kinds of functions of shock wave and isolated toxin agent, protection airtight door should be able to block the shock wave, satisfy corresponding resistance requirement, at present mainly strengthen the shock resistance of door through the thickening door body, and the leakproofness is then sealed gap department through using the sealing strip, and set up this airtight door into single-leaf structure alone in order to improve the leakproofness, although this kind of structure is sealed the effect better relatively, but the opening is less, can only make things convenient for the pedestrian to pass through, inconvenient some vehicles or some big equipment come in and go out.
Disclosure of Invention
The invention aims to provide a bidirectional push-pull type protective airtight door which has two control modes of manual operation and electric operation, is good in safety, has the advantages of light weight and high strength, and is good in sealing performance, strong in protection and simple in operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bidirectional push-pull type protective airtight door comprises a door frame, wherein the door frame is a rectangular frame structure which is formed by enclosing an upper supporting beam, a lower sliding rail and two lateral supporting beams, the lower sliding rail is arranged on the ground, the upper supporting beam is provided with an upper sliding rail, a first door main body and a second door main body are slidably installed on the lower sliding rail and the upper sliding rail, the first door main body and the second door main body respectively comprise a front panel, a rear panel, a first inner panel, a second inner panel, a top plate, a bottom plate and two side plates, a plurality of support plates are arranged between the first inner panel and the second inner panel at intervals, a plurality of rectangular pipes are arranged between the front panel and the first inner panel at intervals, a plurality of rectangular pipes are also arranged between the rear panel and the second inner panel at intervals, and concrete is arranged in the rectangular pipes; the first door main body and the second door main body are respectively provided with a plurality of sliding assemblies, the sliding assemblies are slidably mounted on the upper sliding track, each sliding assembly comprises a mounting seat and four rotating wheels rotatably mounted on the mounting seat, rotating shafts of the four rotating wheels are respectively arranged on the mounting seats and close to four corners, and gaps are formed between every two adjacent rotating wheels; the bottom parts of the first door main body and the second door main body are respectively provided with an inverted U-shaped groove, a plurality of travelling wheels are rotatably arranged in the inverted U-shaped grooves, and the travelling wheels roll along the lower sliding track; the anti-derailing door comprises a first door body, a second door body, a lower sliding rail, a first door body and a second door body, wherein the first door body and the second door body are respectively provided with a door body, the door body is provided with a first door body and a second door body, the door body is provided with a first door body and a second body, the door body is provided with a first door body, the first door body and a second door body, the first door body and the first door body are provided with a first door body, the first door body and a first door body, the first door body and a first door body, wherein the first door body, two sides of a first door body, two sides of a first door body, are provided with a first door, and a first door, are provided with a first door, and a first door; the fireproof brush is arranged on the front panel and is arranged on the inner sides of the upper transverse sealing strip, the lower transverse sealing strip and the vertical sealing strip; the first door body and the second door body are respectively provided with a rack, a driving assembly is arranged on the ground and comprises a shell, a driving motor, a reversing speed reducer, a first clutch and a transmission gear, the shell is arranged on the bottom surface, the driving motor is arranged on the shell, one end of the first clutch is arranged on an output shaft of the driving motor, the other end of the first clutch is connected with the reversing speed reducer, the transmission gear is arranged on the output end of the reversing speed reducer, and the transmission gear is meshed with the racks; the locking assembly comprises a support, a manual locking assembly, an electric locking assembly, a transmission assembly and a locking head assembly, the support is arranged on the first door body and/or the second door body, the locking head assembly comprises a fixed sleeve, a sliding rod and a connecting rod, the fixed sleeve is arranged on the support, one end of the sliding rod is arranged on the fixed sleeve in a sliding mode, and the other end of the sliding rod is connected with the connecting rod; the transmission assembly comprises a commutator and a lead screw nut member, one end of the lead screw nut member is connected with the connecting rod, the lead screw nut member is composed of a lead screw and a nut, the nut is arranged in the commutator, and when the commutator drives the nut to rotate, the lead screw drives the sliding rod to slide along the axial direction of the fixed sleeve; the manual locking assembly is an operating wheel, the operating wheel is arranged on the commutator, the electric locking assembly comprises a locking motor and a second clutch, the locking motor is arranged on the first door body and/or the second door body, the second clutch is arranged on an output shaft of the locking motor, and the second clutch is in power connection with the commutator; the two lateral supporting beams are respectively provided with an anti-collision assembly, each anti-collision assembly comprises an anti-collision supporting frame and a cushion block, the anti-collision supporting frames are arranged on the lateral supporting beams, and the cushion blocks are detachably arranged on the anti-collision supporting frames; tooth-shaped sealing rubber strips are arranged on the first door main body and the second door main body, and when the first door main body and the second door main body are in a closed state, the two tooth-shaped sealing rubber strips arranged on the first door main body and the second door main body are mutually meshed and connected in a sealing manner; the bidirectional push-pull type protective airtight door further comprises a control cabinet, and the locking motor and the driving motor are electrically connected with the control cabinet.
Preferably, the length of the door frame is not less than twice the sum of the lengths of the first and second door bodies.
Preferably, a groove is formed in the ground, the lower sliding rail is arranged in the groove, and the top surface of the lower sliding rail does not protrude out of the top surface of the groove.
Preferably, the front panel, the rear panel, the first inner panel and the second inner panel are arranged in parallel at intervals; the top plate and the bottom plate are respectively arranged at the top and the bottom of a rectangular structure spliced by the front panel, the rear panel, the first inner panel and the second inner panel; the two side plates are respectively arranged at the left side and the right side of a rectangular structure spliced by the front panel, the rear panel, the first inner panel and the second inner panel.
Preferably, a plurality of the support plates are arranged at equal intervals, a plurality of the rectangular tubes are arranged at equal intervals, and the number of the rectangular tubes is twice of that of the support plates.
Preferably, an inverted T-shaped groove is formed in the mounting seat, two top wheels are rotatably mounted on the mounting seat and located in the inverted T-shaped groove, and an upper contour surface of each top wheel is lower than a bottom surface of each rotating wheel.
Preferably, the first clutch and the second clutch are both jaw electromagnetic clutches.
Preferably, the upper transverse sealing strip and the vertical sealing strip are both made of rubber materials, the corner sealing block comprises a sealing block fixing plate and a switching rubber strip, the switching rubber strip is extruded and installed on the first door main body and/or the second door main body by the sealing block fixing plate, and the switching rubber strip is also made of rubber materials.
Preferably, the bottom of the lower transverse sealing strip is provided with a semi-cylindrical connecting surface, and the lower transverse sealing strip is also provided with a waist-shaped hole.
The use method of the bidirectional push-pull type protective airtight door is characterized by comprising the following steps:
step one, closing a door main body, electrifying a control cabinet, controlling a driving assembly to start forward work through the control cabinet, further driving a rack to start moving, enabling a first door main body and a second door main body to be close to each other, and stopping the forward work of the driving assembly when the first door main body is contacted with the second door main body;
step two, locking and locking are carried out in a falling mode, the electric locking assembly is controlled to start working through the control cabinet, the locking head assembly is clamped on the lower sliding track, and the first door body and the second door body are locked in a closed mode;
and step three, opening the door main body, controlling the driving assembly to start reverse work through the control cabinet, further driving the rack to start reverse motion, keeping the first door main body and the second door main body away from each other, and stopping the reverse work of the driving assembly when the first door main body and the second door main body are both contacted with the anti-collision assembly.
According to the invention, the first door body and the second door body are of a bidirectional push-pull type structure, when the two door bodies are opened, a larger space is provided for a user to use, and the larger space can pass through some large-scale equipment and vehicles and can also pass through a large number of people at the same time. The first door main part and the second door main part that set up all adopt ladle concrete structure, pour concrete in the rectangular pipe promptly, and this structure can alleviate the whole weight of door on the one hand, and on the other hand ladle concrete is in the bending resistance, and its bending resistance cross section has increased section strength apart from the distal end of neutral axis, and then improves section bending resistance coefficient, has strengthened the antiknock performance and the shock resistance of door main part. The slip subassembly and the walking wheel that set up can reduce first door main part and second door main part and last slip track and the friction between the slip track down, improve first door main part and second door main part and open and close the smooth and easy degree.
The drive assembly who sets up can drive first door main part and second door main part and open and close under the circumstances that has the electricity, and wherein first clutch is automatic disconnection when the outage, and the user accessible manpower is opened and is closed first door main part and second door main part under the circumstances that does not have the electricity, has improved the reliability that this airtight door opened and closed. The shutting subassembly that sets up can be with first door main part and second door main part locking on the track that slides down, prevents that other personnel from using external force to remove this airtight door, improves the security of this airtight door, and the manual shutting subassembly that sets up simultaneously and electronic shutting subassembly all can realize the locking of shutting head subassembly and the control of opening, improve the reliability of this shutting subassembly.
Last transverse sealing strip, vertical sealing strip and the lower transverse sealing strip that sets up can seal first door main part and second door main part and wall body and ground, prevent the gas circulation of this airtight door both sides, and the silicon rubber sealing member of setting on the anticreep rail support can be sealed between anticreep rail support and the lower sliding track, further improves the leakproofness. The fireproof brush that sets up can have flame retardant efficiency, prevents flame to destroy the leakproofness of horizontal sealing strip, vertical sealing strip and lower horizontal sealing strip, has strengthened sealed effect. The pull ring is provided to facilitate a user's use of a tool to open and close the first and second door bodies.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a first door body structure according to the present invention;
FIG. 3 is an enlarged view of a portion of the structure of the present invention B;
FIG. 4 is a cross-sectional view of the first door body structure of the present invention;
FIG. 5 is a partial schematic view of the present invention;
FIG. 6 is an enlarged view of a partial structure A of the present invention;
FIG. 7 is an enlarged view of a portion of the structure of the present invention D;
FIG. 8 is a schematic view of another embodiment of the present invention;
FIG. 9 is a schematic view of another embodiment of the present invention;
FIG. 10 is a schematic view of the latch assembly of the present invention;
FIG. 11 is a schematic view of a driving assembly according to the present invention;
FIG. 12 is a schematic view of a corner sealing block according to the present invention;
FIG. 13 is a left side view of the lower cross-seal configuration of the present invention;
FIG. 14 is a schematic view of the sliding assembly of the present invention;
FIG. 15 is a front view of an anti-derailment bracket of the present invention;
FIG. 16 is a partial view of the structure of the two-door body of the present invention;
in the figure: 1. a door frame; 2. a first door main body; 3. a second door body; 4. a sliding assembly; 5. an inverted U-shaped groove; 6. a traveling wheel; 7. a drive assembly; 8. a locking assembly; 9. an anti-collision assembly; 10. a pull ring; 11. an upper support beam; 12. a lower sliding rail; 13. a lateral support beam; 14. a groove; 15. a rail bracket; 16. an upper slide rail; 17. a fireproof brush; 18. a kidney-shaped hole; 19. a rack; 20. a tooth-shaped sealing rubber strip; 21. a front panel; 22. a rear panel; 23. a first inner panel; 24. a second inner panel; 25. a top plate; 26. a base plate; 27. a side plate; 28. a support plate; 29. a rectangular tube; 31. an anti-derailment bracket; 32. an open rectangular cavity; 33. a silicone rubber seal; 34. an upper transverse sealing strip; 35. a vertical sealing strip; 36. a lower transverse sealing strip; 37. a corner sealing block; 38. a sealing block fixing plate; 39. transferring an adhesive tape; 41. a mounting seat; 42. a rotating wheel; 43. a T-shaped groove is inverted; 44. a top wheel; 50. a control cabinet; 71. a housing; 72. a drive motor; 73. a reversing decelerator; 74. a first clutch; 75. a transmission gear; 81. a support; 82. a manual locking assembly; 83. an electrically powered latching assembly; 84. a transmission assembly; 85. a locking head assembly; 91. an anti-collision support frame; 92. cushion blocks; 831. a locking motor; 832. a second clutch; 841. a commutator; 842. a lead screw nut member; 851. fixing a sleeve; 852. a slide bar; 853. a connecting rod.
Detailed Description
The invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 to 16, a bidirectional push-pull type protective airtight door includes a door frame 1, the door frame 1 is a rectangular frame structure surrounded by an upper supporting beam 11, a lower sliding rail 12 and two side supporting beams 13, in one embodiment, two ends of the upper supporting beam 11 are respectively fixedly connected with the two side supporting beams 13 through fasteners, two ends of the lower sliding rail 12 are also fixedly connected with the two side supporting beams 13 through fasteners, in a specific embodiment, the door frame 1 is structurally installed on the back of two walls, and the distance between the two walls is less than twice of the sum of the lengths of the first door main body 2 and the second door main body 3. The lower sliding rail 12 is fixedly installed on the ground through anchor bolts, in a preferred embodiment, a groove 14 is formed in the ground, the lower sliding rail 14 is fixedly installed in the groove 14, the top surface of the lower sliding rail 12 does not protrude out of the top surface of the groove 14, that is, a part protrudes out of the ground, in a more preferred embodiment, a rail bracket 15 is further installed in the groove 14, the lower sliding rail 12 is fixedly installed on the rail bracket 15 through bolts, the rail bracket 15 is cast in the groove 14 through concrete, and the rail bracket 15 can improve the installation strength of the lower sliding rail 12. An upper sliding rail 16 is fixedly mounted on the bottom surface of the upper supporting beam 11 by means of fasteners, and in a further preferred embodiment, the upper sliding rail 16 and the lower sliding rail 12 are both of an i-shaped configuration as a whole.
The first door main body 2 and the second door main body 3 are installed between the lower sliding rail 12 and the upper sliding rail 16 in a sliding mode, the first door main body 2 and the second door main body 3 are of a cubic structure formed by splicing a front panel 21, a rear panel 22, a first inner panel 23, a second inner panel 24, a top plate 25, a bottom plate 26 and two side plates 27, the front panel 21, the rear panel 22, the first inner panel 23 and the second inner panel 24 are arranged in parallel at intervals, the top plate 25, the two side plates 27 and the bottom plate 26 are connected end to end through welding to form a rectangular frame, and the rectangular frame is arranged on the edge of a rectangular structure formed by splicing the front panel 21, the rear panel 22, the first inner panel 23 and the second inner panel 24 through welding, so that the first door main body 2 and the second door main body 3 are of a relatively closed structure. A plurality of support plates 28 are installed between the first inner panel 23 and the second inner panel 24 at fixed intervals by welding, a plurality of rectangular pipes 29 are installed between the front panel 21 and the first inner panel 23 at fixed intervals by welding, a plurality of rectangular pipes 29 are also installed between the rear panel 22 and the second inner panel 24 at fixed intervals by welding, and concrete is filled in the rectangular pipes 29. In one embodiment, the plurality of support plates 28 are equally spaced and the plurality of rectangular tubes 29 are equally spaced, the number of rectangular tubes 29 being twice the number of support plates 28, i.e., one rectangular tube 29 is disposed on each side of the support plates 28.
A plurality of sliding assemblies 4 are mounted on the tops of the first door body 2 and the second door body 3 through fasteners, the sliding assemblies 4 are slidably mounted on the upper sliding rail 16, each sliding assembly 4 includes a mounting seat 41 and four rotating wheels 42 rotatably mounted on the mounting seat 41, rotating shafts of the four rotating wheels 42 are respectively arranged at corners of a rectangle, a gap is formed between every two adjacent rotating wheels 42, in one embodiment, the gap between every two adjacent rotating wheels 42 in the horizontal sliding direction of the sliding assembly 4 is large, the gap between every two adjacent rotating wheels 42 in the horizontal sliding direction perpendicular to the sliding assembly 4 is slightly larger than the thickness of a vertical connecting plate of the i-shaped upper sliding rail 16, and the rotating wheels 42 can roll along the surface of the vertical connecting plate of the upper sliding rail 16. In a preferred embodiment, an inverted T-shaped groove 43 is formed on the mounting base 41, two top wheels 44 are rotatably mounted on the mounting base 41 through a shaft, the two top wheels 44 are partially positioned in the inverted T-shaped groove 43, an upper contour surface of the top wheels 44 is lower than a bottom surface of the rotating wheels 42, the top wheels 44 abut against a bottom cross plate of the i-shaped upper sliding rail 16, when the sliding assembly 4 horizontally slides along the upper sliding rail 16, the top wheels 44 roll along a bottom cross plate top surface of the upper sliding rail 16, and the top wheels 44 and the rotating wheels 42 can generate friction due to relative movement between the sliding assembly 4 and the upper sliding rail 16, so that smoothness of sliding of the first door body 2 and the second door body 3 on the upper sliding rail 16 is improved.
The bottom of the first door main body 2 and the bottom of the second door main body 3 are both provided with an inverted U-shaped groove 5, a plurality of walking wheels 6 are rotatably arranged in the inverted U-shaped groove 5 through pin shafts, the walking wheels 6 horizontally roll along the top surface of the lower sliding rail 12, and in one embodiment, the walking wheels 6 are arranged in the inverted U-shaped groove 5 at equal intervals. In a preferred embodiment, the traveling wheels 6 are grooved wheels, the groove shape of the grooved wheels is matched with the shape of the top of the lower sliding track 12, and the protruding parts on the two sides of the grooved wheels are positioned at the two ends of the lower sliding track 12, so that the structure also has derailing prevention performance, and the stability of the first door body 2 and the second door body 3 is improved.
Derailing prevention supports 31 are fixedly mounted on two sides of the first door body 2 and/or the second door body 3 through fasteners, the derailing prevention supports 31 are slidably connected to the lower sliding rail 12, in one embodiment, the derailing prevention supports 31 are in a convex structure, an open rectangular cavity 32 is arranged on a convex portion of the derailing prevention supports 31, the open rectangular cavity 32 can be sleeved on the top of the i-shaped lower sliding rail 12, and when the derailing prevention supports 31 are connected to the lower sliding rail 12, the open rectangular cavity 32 is clamped on the top of the lower sliding rail 12, and the structure can prevent the first door body 2 and/or the second door body 3 from side turning over with the lower sliding rail 12. The derailing prevention support 31 is fixedly bonded with a silicon rubber sealing piece 33 through glue, the silicon rubber sealing piece 33 is arranged between the derailing prevention support 31 and the lower sliding rail 12, in a specific embodiment, the silicon rubber sealing piece 33 consists of an outer sealing piece and an inner sealing piece, a convex outer sealing piece is fixedly installed on the outer side of a convex part of the derailing prevention support 31, the other end of the outer sealing piece is in contact with the groove 14, the end of the derailing prevention support 31 can be in sealing connection with the groove 14 in addition, a circle of inner sealing piece is arranged on the inner side of an opening rectangular cavity 32 of the derailing prevention support 31 along the inner contour of the opening rectangular cavity, the other end of the inner sealing piece is in contact with the lower sliding rail 12, and the silicon rubber sealing piece 33 can enable gas to flow on two sides of the derailing prevention support 31, so that the sealing performance of the sealing door is improved. In a more specific embodiment, the silicone rubber sealing member 33 is formed by splicing a plurality of rectangular silicone rubber sealing strips arranged at intervals, and the structure has good deformability and can be well attached to the surface of the lower sliding rail 12.
An upper transverse sealing strip 34, a vertical sealing strip 35 and a lower transverse sealing strip 36 are fixedly arranged on the front panel 21, the upper transverse sealing strip 34 and the lower transverse sealing strip 36 are arranged at the top and the bottom of the front panel 21 in parallel, the vertical sealing strip 35 is fixedly arranged at the right side of the front panel 21, the lower transverse sealing strip 36 is intersected with one end of the vertical sealing strip 35 on a corner sealing block 37, the upper transverse sealing strip 34 is also intersected with one end of the vertical sealing strip 35 on the corner sealing block 37, in one embodiment, the corner sealing block 37 includes a sealing block fixing plate 38 and an adapter rubber strip 39, the sealing block fixing plate 38 and the adapter rubber strip 39 are fixedly connected by a fastener, the sealing block fixing plate 38 presses and installs the adapter rubber strip 39 on the first door body 2 and/or the second door body 3, and the transverse sealing strip 34, the vertical sealing strip 35, the lower transverse sealing strip 36 and the corner sealing block 37 can seal between the first door body 2 and/or the second door body 3 and a wall. In a preferred embodiment, the upper and vertical sealing strips 34, 35 and the adapter strip 39 are made of rubber material. In a more preferred embodiment, the bottom of the lower transverse sealing strip 36 is provided with a semi-cylindrical joint surface, and the lower transverse sealing strip 36 is further provided with a waist-shaped hole 18, so that the waist-shaped hole 18 can improve the deformability of the semi-cylindrical joint surface, so that the lower transverse sealing strip 36 can be tightly attached to the bottom surface, and the sealing performance is improved.
The fireproof brush 17 is fixedly mounted on the front panel 21, in a specific embodiment, the fireproof brush 17 is of a U-shaped structure, the fireproof brush 17 is arranged on the inner sides of the upper transverse sealing strip 34, the lower transverse sealing strip 36 and the vertical sealing strip 35, the fireproof brush 17 is made of a flame-retardant material, the fireproof brush 17 can prevent flame from burning the upper transverse sealing strip 34, the vertical sealing strip 35 and the lower transverse sealing strip 36, and the service life of the upper transverse sealing strip 34, the vertical sealing strip 35 and the lower transverse sealing strip 36 is prolonged.
The rack 19 is transversely and fixedly arranged on the first door body 2 and the second door body 3 through fasteners or welding, the driving assemblies 7 are fixedly arranged on the ground, the driving assemblies 7 are arranged in two groups, and one group is arranged on one side of each of the first door body 2 and the second door body 3. The driving assembly 7 comprises a shell 71, a driving motor 72, a reversing speed reducer 73, a first clutch 74 and a transmission gear 75, wherein the shell is arranged on the bottom surface, the shell 71 is fixedly arranged on the ground through anchor bolts, the driving motor 72 is fixedly arranged on the shell 71 through fasteners, one end of the first clutch 74 is connected with an output shaft of the driving motor 72, the other end of the first clutch 74 is connected with the reversing speed reducer 73, the transmission gear 75 is arranged on the output end of the reversing speed reducer 73 through a connecting shaft, and the transmission gear 75 is in meshing transmission with the rack 19. In one embodiment, the first clutch 74 is a dog electromagnetic clutch.
The locking assemblies 8 are fixedly arranged on the opposite far sides of the first door body 2 and the second door body 3, the locking assemblies 8 are arranged in two groups, and one group is arranged on each of the first door body 2 and the second door body 3. The locking assembly 8 comprises a bracket 81, a manual locking assembly 82, an electric locking assembly 83, a transmission assembly 84 and a locking head assembly 85, wherein the bracket 81 is fixedly installed on the first door body 2 and/or the second door body 3 through a fastener, the locking head assembly 85 comprises a fixing sleeve 851, a sliding rod 852 and a connecting rod 853, the fixing sleeve 851 is fixedly installed on the bracket 81 through a fastener, one end of the sliding rod 852 is slidably installed in the fixing sleeve 851, and the other end of the sliding rod 852 is fixedly connected with the connecting rod 853. The transmission assembly 84 comprises a reverser 841 and a lead screw nut member 842, wherein the lead screw nut member 842 is composed of a lead screw and a nut, the lead screw and the nut can rotate relatively, one end of the lead screw is fixedly connected with the connecting rod 853, the nut is installed in the reverser 841, when the reverser 841 rotates, the nut can be driven to rotate, so that the lead screw drives the sliding rod 852 to slide along the axis direction of the fixed sleeve 851, and the linear reciprocating motion of the sliding rod 852 in the fixed sleeve 851 is realized by controlling the rotating direction of the lead screw. The manual latch assembly 82 is an operating wheel that is mounted on the diverter 841 such that when the operating wheel is rotated the diverter 841 also rotates. The electric locking assembly 83 includes a locking motor 831 and a second clutch 832, the locking motor 821 is fixedly mounted on the first door body 2 and/or the second door body 3 through a fastener, one end of the second clutch 832 is connected with an output shaft of the locking motor 831, the other end of the second clutch 832 is connected with a commutator 841, when the locking motor 831 rotates, the commutator 841 is driven to rotate through the second clutch 832, and the nut can drive the movement of the screw rod. In one particular embodiment, the second clutch 832 is a dog electromagnetic clutch.
The anti-collision assembly 9 is fixedly mounted on the tops of the inner sides of the two lateral supporting beams 13 through fasteners, the anti-collision assembly 9 comprises an anti-collision supporting frame 91 and a cushion block 92, the anti-collision supporting frame 91 is fixedly mounted on the lateral supporting beams 13 through fasteners, the cushion block 92 is detachably mounted on the anti-collision supporting frame 91 through bolts, in one embodiment, the cushion block 92 is made of a rubber material, when the first door body 2 and/or the second door body 3 move to the two sides of the door frame 1, the side edge of the first door body 2 and/or the second door body 3 firstly hits the cushion block 92, and the cushion block 92 can prevent the first door body 2 and/or the second door body 3 from being in waterproof rigid collision with the door frame 1. The pull rings 10 are fixedly installed on the sides of the first door body 2 and the second door body 3 away from each other, in one embodiment, circular holes are formed in the pull rings 10, the circular holes are convenient for hanging ropes, and a user can pull the first door body 2 and the second door body 3 through the ropes hung on the circular holes.
Tooth-shaped sealing rubber strips 20 are relatively and fixedly mounted on one end faces, close to each other, of the first door body 2 and the second door body 3, and when the first door body 2 and the second door body 3 are in a closed state, the two tooth-shaped sealing rubber strips 20 are mutually meshed and connected in a sealing mode. In one embodiment the toothed sealing strip 20 is rack-shaped.
The bidirectional push-pull type protective airtight door further comprises a control cabinet 50, the control cabinet 50 is installed on the ground, a locking motor 831 and a driving motor 72 are both electrically connected with the control cabinet 50, and a user controls the forward rotation, the reverse rotation and the stop of the locking motor 831 and the driving motor 72 through the control cabinet 50.
A method for using a bidirectional push-pull type protective airtight door as shown in fig. 1 to 16 comprises the following steps:
firstly, closing the door main body, firstly powering on the control cabinet 50 by a user, controlling the driving assembly 7 to start to work in a forward direction through the control cabinet 50, specifically, powering on the driving motor 72 to enable the driving motor to rotate in the forward direction, powering on the first clutch 74, enabling the first clutch 74 to be in a closed state under the condition of power, transmitting the power of the driving motor 72 to the reversing reducer 73 by the first clutch 74, enabling the reversing reducer 73 to drive the transmission gear 75 to rotate, further enabling the rack 19 to drive the first door main body 2 and/or the second door main body 3 to start to move, enabling the first door main body 2 and the second door main body 3 to approach each other, and when the first door main body 2 is in contact with the second door main body 3, stopping the forward work of the driving assembly 7 by the user. When the first clutch 74 is in the off state without power, the user can close the first door body 2 and the second door body 3 by connecting the pull-tab 10 using a rope or a hand-operated hoist by closing the pull-tab 10.
Step two, locking and locking, wherein a user firstly energizes the control cabinet 50, when the first door body 2 and the second door body 3 are located at positions set by the user, the control cabinet 50 controls the electric locking assembly 83 in the locking assembly 8 to start working, specifically, the locking motor 831 is energized to rotate in the forward direction, the second clutch 832 is energized, the second clutch 832 is in a closed state under the condition of electricity, the second clutch 832 drives the commutator 841 to rotate, so that the lead screw nut member 842 starts to move, the connecting rod 853 is driven to move downwards, the sliding rod 852 slides downwards along the fixing sleeve 851, and when the sliding rod 852 is clamped on the lower sliding track 12, the first door body 2 and the second door body 3 are locked in a closed manner. When in the power off state, the second clutch 832 is in the off state without power, and at this time, the user realizes the airtight locking of the first door body 2 and the second door body 3 by rotating the manual locking assembly 82 so that the sliding rod 852 is caught on the lower sliding rail 12. When unlocking is desired, energizing the latch motor 831 reverses it or rotates the manual latch assembly 82 in the reverse direction so that the slide bar 852 moves away from the lower slide rail 12.
And step three, the door main body is opened, a user firstly energizes the control cabinet 50, the driving assembly 7 is controlled by the control cabinet 50 to start reverse work, specifically, the driving motor 72 is energized to rotate reversely, the first clutch 74 is also energized, the first clutch 74 is in a closed state under the condition of electrification, the first clutch 74 transmits the power of the driving motor 72 to the reversing reducer 73, the reversing reducer 73 drives the transmission gear 75 to rotate, so that the rack 19 drives the first door main body 2 and/or the second door main body 3 to start to move, the first door main body 2 and the second door main body 3 are far away from each other, and when the first door main body 2 and the second door main body 3 pile foundation reaches the anti-collision assembly 9, the user stops the reverse work of the driving assembly 7. When the first clutch 74 is in the off state without power, the user can open the first door body 2 and the second door body 3 through the pull-tab 10 by connecting the pull-tab 10 using a rope or a hand-operated hoist.
The above embodiments are only a few illustrations of the inventive concept and implementation, not limitations thereof, and the technical solutions without substantial changes are still within the scope of protection under the inventive concept.
Claims (10)
1. The utility model provides a two-way plug-type protective airtight door, includes door frame (1), its characterized in that: the door frame (1) is a rectangular frame structure which is formed by an upper supporting beam (11), a lower sliding rail (12) and two lateral supporting beams (13) in a surrounding mode, the lower sliding rail (12) is arranged on the ground, an upper sliding rail (16) is arranged on the upper supporting beam (11), a first door main body (2) and a second door main body (3) are arranged on the lower sliding rail (12) and the upper sliding rail (16) in a sliding mode, the first door main body (2) and the second door main body (3) respectively comprise a front panel (21), a rear panel (22), a first inner panel (23), a second inner panel (24), a top plate (25), a bottom plate (26) and two side plates (27), a plurality of supporting plates (28) are arranged between the first inner panel (23) and the second inner panel (24) at intervals, a plurality of tubes (29) are arranged between the rectangular front panel (21) and the first inner panel (23) at intervals, a plurality of rectangular pipes (29) are arranged between the rear panel (22) and the second inner panel (24) at intervals, and concrete is arranged in the rectangular pipes (29); the sliding assembly (4) is arranged on the upper sliding rail (16) in a sliding mode, the sliding assembly (4) comprises an installation seat (41) and four rotating wheels (42) rotatably arranged on the installation seat (41), rotating shafts of the four rotating wheels (42) are respectively arranged on the installation seat (41) and close to four corners, and gaps are formed between every two adjacent rotating wheels (42); the bottom parts of the first door main body (2) and the second door main body (3) are respectively provided with an inverted U-shaped groove (5), a plurality of travelling wheels (6) are rotatably arranged in the inverted U-shaped grooves (5), and the travelling wheels (6) roll along the lower sliding track (12); anti-derailing supports (31) are further arranged on two sides of the bottoms of the first door body (2) and the second door body (3), the anti-derailing supports (31) are connected to the lower sliding rail (12) in a sliding mode, a silicon rubber sealing piece (33) is arranged on the anti-derailing supports (31), and the silicon rubber sealing piece (33) is located between the anti-derailing supports (31) and the lower sliding rail (12); an upper transverse sealing strip (34), a vertical sealing strip (35) and a lower transverse sealing strip (36) are arranged on the front panel (21), the lower transverse sealing strip (36) is in sealing connection with one end of the vertical sealing strip (35) through a corner sealing block (37), the upper transverse sealing strip (34) is also in sealing connection with one end of the vertical sealing strip (35) through the corner sealing block (37), a fireproof brush (17) is further arranged on the front panel (21), and the fireproof brush (17) is arranged on the inner sides of the upper transverse sealing strip (34), the lower transverse sealing strip (36) and the vertical sealing strip (35); the first door body (2) and the second door body (3) are respectively provided with a rack (19), a driving assembly (7) is arranged on the ground, the driving assembly (7) comprises a shell (71), a driving motor (72), a reversing speed reducer (73), a first clutch (74) and a transmission gear (75), the shell (71) is arranged on the bottom surface, the driving motor (72) is arranged on the shell (71), one end of the first clutch (74) is arranged on an output shaft of the driving motor (72), the other end of the first clutch (74) is connected with the reversing speed reducer (73), the transmission gear (75) is arranged on the output end of the reversing speed reducer (73), and the transmission gear (75) is meshed with the racks (19); one side of each of the first door main body (2) and the second door main body (3) is provided with a locking assembly (8), each locking assembly (8) comprises a support (81), a manual locking assembly (82), an electric locking assembly (83), a transmission assembly (84) and a locking head assembly (85), each support (81) is arranged on the first door main body (2) and/or the second door main body (3), each locking head assembly (85) comprises a fixing sleeve (851), a sliding rod (852) and a connecting rod (853), each fixing sleeve (851) is arranged on each support (81), one end of each sliding rod (852) is arranged on each fixing sleeve (851) in a sliding mode, and the other end of each sliding rod (852) is connected with the corresponding connecting rod (853); the transmission assembly (84) comprises a reverser (841) and a lead screw nut member (842), one end of the lead screw nut member (842) is connected with a connecting rod (853), the lead screw nut member (842) is composed of a lead screw and a nut, the nut is arranged in the reverser (841), and when the reverser (841) drives the nut to rotate, the lead screw drives a sliding rod (852) to slide along the axial direction of the fixed sleeve (851); the manual locking assembly (82) is an operating wheel which is arranged on the commutator (841), the electric locking assembly (83) comprises a locking motor (831) and a second clutch (832), the locking motor (831) is arranged on the first door body (2) and/or the second door body (3), the second clutch (832) is arranged on an output shaft of the locking motor (831), and the second clutch (832) is in power connection with the commutator (841); the two lateral supporting beams (13) are respectively provided with an anti-collision assembly (9), each anti-collision assembly (9) comprises an anti-collision supporting frame (91) and a cushion block (92), the anti-collision supporting frames (91) are arranged on the lateral supporting beams (13), and the cushion blocks (92) are detachably arranged on the anti-collision supporting frames (91); tooth-shaped sealing rubber strips (20) are arranged on the first door main body (2) and the second door main body (3), and when the first door main body (2) and the second door main body (3) are in a closed state, the two tooth-shaped sealing rubber strips (20) arranged on the first door main body (2) and the second door main body (3) are mutually meshed and connected in a sealing manner; still be equipped with pull ring (10) on first door main part (2) and second door main part (3) side, two-way plug-type protective airtight door still includes switch board (50), shutting motor (831) and driving motor (72) with switch board (50) electricity is connected.
2. A bi-directional push-pull containment door as recited in claim 1, wherein: the length of the door frame (1) is not less than twice of the sum of the lengths of the first door main body (2) and the second door main body (3).
3. A bi-directional push-pull containment door as recited in claim 1, wherein: a groove (14) is formed in the ground, the lower sliding rail (12) is arranged in the groove (14), and the top surface of the lower sliding rail (12) does not protrude out of the top surface of the groove (14).
4. A bi-directional push-pull containment door according to claim 1 or 2, wherein: the front panel (21), the rear panel (22), the first inner panel (23) and the second inner panel (24) are arranged in parallel at intervals; the top plate (25) and the bottom plate (26) are respectively arranged at the top and the bottom of a rectangular structure spliced by the front panel (21), the rear panel (22), the first inner panel (23) and the second inner panel (24); the two side plates (27) are respectively arranged at the left side and the right side of a rectangular structure spliced by the front panel (21), the rear panel (22), the first inner panel (23) and the second inner panel (24).
5. A bi-directional push-pull containment door as recited in claim 1, wherein: the supporting plates (28) are arranged at equal intervals, the rectangular tubes (29) are arranged at equal intervals, and the number of the rectangular tubes (29) is twice that of the supporting plates (28).
6. A bi-directional push-pull containment door as recited in claim 1, wherein: the mounting seat (41) is provided with an inverted T-shaped groove (43), two top wheels (44) are rotatably arranged on the mounting seat (41), the two top wheels (44) are positioned in the inverted T-shaped groove (43), and the upper contour surface of each top wheel (44) is lower than the bottom surface of the corresponding rotating wheel (42).
7. A bi-directional push-pull containment door as recited in claim 1, wherein: the first clutch (74) and the second clutch (832) are each a dog electromagnetic clutch.
8. A bi-directional push-pull containment door as recited in claim 1, wherein: the upper transverse sealing strip (34) and the vertical sealing strip (35) are both made of rubber materials, the corner sealing block (37) comprises a sealing block fixing plate (38) and a switching rubber strip (39), the switching rubber strip (39) is extruded and installed on the first door body (2) and/or the second door body (3) through the sealing block fixing plate (38), and the switching rubber strip (39) is also made of rubber materials.
9. A bi-directional push-pull containment door as recited in claim 1, wherein: the bottom of the lower transverse sealing strip (36) is provided with a semi-cylindrical connecting surface, and the lower transverse sealing strip (36) is also provided with a waist-shaped hole (18).
10. A method of using the bi-directional push-pull containment door of any of claims 1-9, comprising the steps of:
step one, closing a door main body, electrifying a control cabinet (50), controlling a driving component (7) to start to work in a forward direction through the control cabinet (50), further driving a rack (19) to start to move, enabling a first door main body (2) and a second door main body (3) to approach each other, and stopping the forward work of the driving component (7) when the first door main body (2) is contacted with the second door main body (3);
step two, locking and locking are carried out in a falling mode, the electric locking assembly (83) is controlled to start working through the control cabinet (50), the locking head assembly (85) is clamped on the lower sliding rail (12), and the first door body (2) and the second door body (3) are locked in a sealing mode;
and step three, the door main body is opened, the driving assembly (7) is controlled to start reverse work through the control cabinet (50), the rack (19) is driven to start reverse motion, the first door main body (2) and the second door main body (3) are far away from each other, and when the first door main body (2) and the second door main body (3) are in contact with the anti-collision assembly (9), the reverse work of the driving assembly (7) is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165771.0A CN114541926A (en) | 2022-02-23 | 2022-02-23 | Bidirectional push-pull type protective airtight door and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165771.0A CN114541926A (en) | 2022-02-23 | 2022-02-23 | Bidirectional push-pull type protective airtight door and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114541926A true CN114541926A (en) | 2022-05-27 |
Family
ID=81678164
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210165771.0A Pending CN114541926A (en) | 2022-02-23 | 2022-02-23 | Bidirectional push-pull type protective airtight door and using method thereof |
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| Country | Link |
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| CN (1) | CN114541926A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103758446A (en) * | 2014-01-28 | 2014-04-30 | 中国人民解放军总参谋部工程兵第四设计研究院 | Push-pull type steel-structured airtight protective door |
| JP2017031793A (en) * | 2015-08-04 | 2017-02-09 | パナソニックＩｐマネジメント株式会社 | Sliding door device |
| CN107386891A (en) * | 2017-07-20 | 2017-11-24 | 徐扬 | A kind of push-and-pull composite door |
| CN109763748A (en) * | 2019-01-25 | 2019-05-17 | 广东科腾幕墙有限公司 | High airtightness sliding door |
| CN110939358A (en) * | 2019-12-12 | 2020-03-31 | 江苏龙腾门业有限公司 | Multiple balanced hangar door of anticreep rail that folds |
| CN213775110U (en) * | 2020-10-30 | 2021-07-23 | 安徽隆宏人防工程防护设备有限公司 | Reinforced concrete protective airtight door |
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2022
- 2022-02-23 CN CN202210165771.0A patent/CN114541926A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758446A (en) * | 2014-01-28 | 2014-04-30 | 中国人民解放军总参谋部工程兵第四设计研究院 | Push-pull type steel-structured airtight protective door |
| JP2017031793A (en) * | 2015-08-04 | 2017-02-09 | パナソニックＩｐマネジメント株式会社 | Sliding door device |
| CN107386891A (en) * | 2017-07-20 | 2017-11-24 | 徐扬 | A kind of push-and-pull composite door |
| CN109763748A (en) * | 2019-01-25 | 2019-05-17 | 广东科腾幕墙有限公司 | High airtightness sliding door |
| CN110939358A (en) * | 2019-12-12 | 2020-03-31 | 江苏龙腾门业有限公司 | Multiple balanced hangar door of anticreep rail that folds |
| CN213775110U (en) * | 2020-10-30 | 2021-07-23 | 安徽隆宏人防工程防护设备有限公司 | Reinforced concrete protective airtight door |
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