CN117588145A - Civil air defense door with explosion-proof impact function - Google Patents
Civil air defense door with explosion-proof impact function Download PDFInfo
- Publication number
- CN117588145A CN117588145A CN202410076449.XA CN202410076449A CN117588145A CN 117588145 A CN117588145 A CN 117588145A CN 202410076449 A CN202410076449 A CN 202410076449A CN 117588145 A CN117588145 A CN 117588145A
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- Prior art keywords
- sliding
- frame
- door
- adjacent
- shell
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Links
- 230000007123 defense Effects 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 150
- 239000007787 solid Substances 0.000 claims abstract description 28
- 239000000872 buffer Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 48
- 239000010720 hydraulic oil Substances 0.000 claims description 25
- 238000004880 explosion Methods 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000003313 weakening effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 230000009471 action Effects 0.000 description 17
- 238000003825 pressing Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
- E05B51/02—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
-
- 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
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
-
- 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
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/10—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
-
- 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
- E06B3/70—Door leaves
-
- 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
-
- 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
- E06B5/12—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 against air pressure, explosion, or gas
-
- 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
- E06B7/2318—Plastic, sponge rubber, or like strips or tubes by applying over- or under-pressure, e.g. inflatable
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention relates to the technical field of civil air defense doors, in particular to a civil air defense door with an explosion-proof impact function. Including the door frame, the door frame rotates and is provided with the sealing door, the sealing door slides and is provided with the sliding shell, the sliding shell with the sealing door cooperation forms the cavity that is full of gas, the lateral wall of sealing door has inlayed the first fixed shell of symmetry, the first sliding column that is provided with in the slip of first fixed shell, the door frame is equipped with the blind hole of symmetry, first sliding column with adjacent blind hole cooperation on the door frame, the sealing door inlays the second solid shell of symmetry, the sealing door rotates and is provided with the rotation handle, the rotation handle with spacing groove cooperation on the first mount. According to the invention, the sliding shell moves compressed air on the sealing door to buffer impact force acting on the sealing door, so that the safety and reliability of the sealing door and the door frame in the using process are improved.
Description
Technical Field
The invention relates to the technical field of civil air defense doors, in particular to a civil air defense door with an explosion-proof impact function.
Background
The civil air defense door is a door which is applied to civil air defense engineering and is mainly used for limiting personnel to enter and exit, guaranteeing safety of a specific area and the like, but in the use process of the existing civil air defense door, the existing civil air defense door is influenced by emergency, when an operator holds a handle to close the door under emergency, if the operator rotates the handle unintentionally in the process to enable the locking valve to protrude, the protruding locking valve can influence the fluency of the door closing operation, meanwhile, the service life of the locking valve is reduced due to collision of the locking valve in the door closing process, the safety and the reliability in the use process of the civil air defense door are greatly influenced, and impact force generated by explosion is hard to impact on the civil air defense door when the security door stops against damages such as explosion after the civil air defense door is closed, so that the locking valve is damaged, even the impact force is too large and hard to impact the civil air defense door is easy to deform, and the service life of the civil air defense door is reduced.
Disclosure of Invention
In order to overcome the problems, the invention provides a civil air defense door with an explosion-proof impact function.
The technical proposal is as follows: the utility model provides a people's air defense door with explosion-proof impact function, includes the door frame, the door frame rotates and is provided with the sealing door, the sealing door slides and is provided with the sliding shell, the sliding shell with the sealing door cooperation forms the cavity that is full of gas, the lateral wall of sealing door inlays the first fixed shell of symmetry, it is provided with first sliding column to slide in the first fixed shell, the door frame is equipped with the blind hole of symmetry, first sliding column with adjacent blind hole cooperation on the door frame, the sealing door inlays the second solid shell of symmetry, the symmetry through the pipeline with the symmetry of establishing ties in proper order between the second solid shell first fixed shell intercommunication, the sealing door inlay with the first pipe of second solid shell intercommunication, the sealing door rigid coupling have with the second fixed shell of first pipe intercommunication, the second fixed shell slides and is provided with first carriage, the first sliding column with the rigid coupling has first extension spring between the second fixed shell, the sealing door rigid coupling has first fixed frame, first sliding column with the second carriage is equipped with the first fixed frame limit spring, the sealing door is equipped with the first rotary motion limiting mechanism is equipped with between the first fixed frame and the sealing door.
More preferably, the limiting mechanism comprises a third fixed shell fixedly connected to the side wall of the sealing door, the third fixed shell is slidably provided with a second sliding frame matched with the second fixed frame, the sealing door is embedded with a second conduit communicated with the third fixed shell, the sealing door is provided with a symmetrical through hole, the second solid shell is slidably provided with a second sliding column, the second sliding column penetrates through the adjacent second solid shell and is located in the adjacent through hole on the sealing door, the second solid shell is matched with the adjacent second sliding column to form two transfer cavities, the symmetrical second solid shell is communicated with the second conduit, the first conduit and the second conduit are respectively communicated with the two transfer cavities on the second solid shell, the second sliding frame is slidably provided with a third sliding frame matched with the through hole on the sealing door, and the third sliding frame is matched with the second sliding column, and the third sliding frame is fixedly connected with the third spring.
More preferably, the sealing mechanism comprises symmetrical sliding plates, the symmetrical sliding plates are respectively arranged in adjacent blind holes on the door frame in a sliding mode, a fourth spring is fixedly connected between the sliding plates and the door frame, a symmetrical third guide pipe is embedded in the door frame, a hollow sealing strip is fixedly connected to the door frame, the third guide pipe is communicated with the sealing strip and the adjacent blind holes on the door frame, and the sliding plates are matched with the adjacent first sliding columns.
More preferably, the shock absorber further comprises a buffer mechanism for absorbing explosion shock waves, the buffer mechanism is arranged on the door frame, the buffer mechanism comprises first cylindrical shells distributed in a rectangular array, the first cylindrical shells distributed in a rectangular array are fixedly connected to the sealing door, a second cylindrical shell distributed in a rectangular array is fixedly connected to one side of the sliding shell, which faces the sealing door, a third sliding column is arranged between the second cylindrical shell and the adjacent first cylindrical shell in a limiting sliding manner, hydraulic oil is arranged in the first cylindrical shell and the second cylindrical shell, round holes distributed in circumferential equidistance are formed in two ends of the third sliding column, fifth springs are fixedly connected between the third sliding column and the adjacent first cylindrical shell and the adjacent second cylindrical shell, and a spline groove is formed in the third sliding column, and a limiting assembly used for limiting the adjacent second cylindrical shell is arranged at the spline groove of the third sliding column.
More preferably, the first cylindrical shells distributed in the rectangular array are sequentially communicated through a pipeline, so as to uniformly disperse the impact force.
More preferably, the limiting component comprises symmetrical fourth sliding frames, the symmetrical fourth sliding frames are all arranged in spline grooves of adjacent third sliding columns in a sliding mode, second tension springs are fixedly connected between the fourth sliding frames, which are symmetrical in the same third sliding column, the fourth sliding frames are in limiting fit with adjacent second cylindrical shells, first wedge blocks are fixedly connected with the fourth sliding frames, symmetrical second wedge blocks are fixedly connected with the first cylindrical shells, and the second wedge blocks are in limiting fit with the adjacent first wedge blocks.
More preferably, the hydraulic sealing device further comprises a blocking mechanism for weakening impact force vertically acting on the sealing door, the blocking mechanism is arranged on the sealing door and comprises a symmetrical third cylindrical shell, the symmetrical third cylindrical shell is fixedly connected to the side wall of the sealing door, a symmetrical fifth sliding frame is slidably arranged on the third cylindrical shell, round holes which are uniformly distributed are formed in one side, adjacent to the fifth sliding frame, of the third cylindrical shell, hydraulic oil is arranged in the third cylindrical shell, a sixth spring is fixedly connected between the symmetrical fifth sliding frames on the same third cylindrical shell, a first fixing plate is fixedly connected to the side wall of the third sliding column, the first fixing plate is matched with the adjacent fifth sliding frame, and an adjusting component for changing resistance born by the fifth sliding frame is arranged on the third cylindrical shell.
More preferably, the adjusting component comprises a symmetrical fourth cylindrical shell, the symmetrical fourth cylindrical shells are fixedly connected to the side walls of the adjacent third cylindrical shells, the fourth cylindrical shells are communicated with a liquid guide tube, the liquid guide tube is communicated with the adjacent first cylindrical shells and the adjacent second cylindrical shells, a second fixing plate and a sixth sliding frame are slidably arranged in the fourth cylindrical shells, a seventh spring is fixedly connected between the second fixing plate and the adjacent sixth sliding frame, and the sixth sliding frame is matched with the adjacent fifth sliding frame.
More preferably, the side surface of the sixth sliding frame, which is close to the adjacent fifth sliding frame, is approximately m-shaped, and the m-shaped side surface of the sixth sliding frame is provided with an elastic raised strip for changing the contact area between the sixth sliding frame and the adjacent fifth sliding frame.
More preferably, the cleaning mechanism is arranged on the door frame and comprises symmetrical air storage shells, the symmetrical air storage shells are embedded in the door frame, seventh sliding frames are slidably arranged on the air storage shells, round holes are formed in one sides of the seventh sliding frames, one-way valves are arranged in the round holes of the seventh sliding frames, gears are fixedly connected to two ends of the rotating shaft of the sealing door, racks meshed with the adjacent gears are arranged on the seventh sliding frames, symmetrical air ejector pipes are embedded in the door frame and are communicated with the air storage shells, and one-way valves are arranged in the air outlet holes of the air ejector pipes.
The beneficial effects are that: 1. according to the invention, the sliding shell moves compressed air on the sealing door to buffer impact force acting on the sealing door, so that the safety and reliability of the sealing door and the door frame in the use process are improved;
2. the second sliding column in the limiting mechanism freely moves in the second solid shell, so that the sealing door is prevented from being closed due to the rotation of the rotating handle, and the closing stability of the sealing door is improved;
3. the sealing property between the door frame and the sealing door is improved through the expansion of the sealing strip in the sealing mechanism;
4. the impact force acting on the sliding shell is buffered doubly by the action of hydraulic oil in the first cylindrical shell and the second cylindrical shell in the buffer mechanism, so that the stability of the buffer function is improved, and the service life of the device is prolonged indirectly;
5. the fifth sliding frame in the blocking mechanism weakens the impact force acting on the sliding shell, so that the connection stability between the door frame and the sealing door is improved, and the use safety of the door frame and the sealing door is enhanced;
6. the upper side edge of the door frame and the inner side wall of the lower part of the sealing door are blown by gas sprayed by the gas spraying pipe in the cleaning mechanism, so that dust and impurities are prevented from affecting the door closing operation of the sealing door and the tightness after the sealing door is closed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the parts of the seal door and the sliding housing of the present invention;
FIG. 3 is a schematic view of the structure of the seal door and the interior components of the sliding housing of the present invention;
FIG. 4 is a schematic perspective view of the components of the first conduit and the second housing of the present invention;
FIG. 5 is a schematic view of the structure of the parts of the first fixing frame and the rotary handle of the present invention;
FIG. 6 is a schematic perspective view of a spacing mechanism according to the present invention;
FIG. 7 is a cross-sectional view of the sealing mechanism of the present invention;
FIG. 8 is a schematic perspective view of a buffer mechanism according to the present invention;
FIG. 9 is a cross-sectional view of a spacing assembly of the present invention;
FIG. 10 is a cross-sectional view of the blocking mechanism of the present invention;
FIG. 11 is a cross-sectional view of an adjustment assembly of the present invention;
FIG. 12 is a schematic view of the structure of the gas storage shells and gas lances of the present invention in which they are located;
fig. 13 is a cross-sectional view of a cleaning mechanism of the present invention.
Marked in the figure as: 1-door frame, 101-sealing door, 102-sliding housing, 103-first fixed housing, 104-first sliding column, 107-second solid housing, 108-first conduit, 109-second fixed housing, 110-first sliding frame, 111-first tension spring, 112-first fixed frame, 113-rotating handle, 114-first spring, 115-second fixed frame, 2-spacing mechanism, 201-third fixed housing, 202-second sliding frame, 204-second conduit, 205-second sliding column, 206-third sliding frame, 207-third spring, 3-sealing mechanism, 301-sliding plate, 302-fourth spring, 303-third conduit, 304-sealing strip, 4-buffer gear, 401-first cylindrical shell, 402-second cylindrical shell, 403-third sliding column, 404-fifth spring, 5-limit component, 501-fourth sliding frame, 502-second tension spring, 503-first wedge, 504-second wedge, 6-blocking mechanism, 601-third cylindrical shell, 602-fifth sliding frame, 603-sixth spring, 604-first fixed plate, 7-adjusting component, 701-fourth cylindrical shell, 702-catheter, 703-second fixed plate, 704-sixth sliding frame, 705-seventh spring, 8-cleaning mechanism, 801-gas storage shell, 802-seventh sliding frame, 803-gear, 804-gas injection tube.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present invention and are not limiting of the present invention.
Example 1: a personnel air defense door with explosion-proof impact function, as shown in figure 1-figure 5, including door frame 1, door frame 1 rotates and is provided with sealing door 101, the rear portion of sealing door 101 slides and is provided with sliding shell 102, sliding shell 102 cooperates with sealing door 101 to form the chamber that is full of gas, a plurality of first fixed shells 103 of symmetry are inlayed to the lateral wall at sealing door 101 right part, first sliding column 104 is provided with first sliding column in the sliding of every first fixed shell 103, first sliding column 104 is located the one end in first fixed shell 103 and is equipped with the sealing washer, there is a certain damping between first sliding column 104 and the first fixed shell 103, the right part of door frame 1 is equipped with a plurality of blind holes of symmetry, after first sliding column 104 swings to just facing adjacent blind holes on door frame 1, first sliding column 104 inserts in the adjacent blind holes on door frame 1, accomplish the closing operation of sealing door 101, a plurality of first sliding column 104 helps to evenly disperse the impact force applied to sealing door 101, improve sealing door 101 and door frame 1 cooperate's safety reliability, the left part of sealing door 101 is inlayed with second fixed shells 108, two side of first fixed shells 107 are equipped with first pipe 110 and two side frames of first fixed shells 110 are connected in series with first fixed shell 110 in succession, two first pipe shells 107 are equipped with first fixed shell 107 and second pipe 110 are equipped with first fixed shell 110 in succession, the second pipe 107 is connected in succession to first sliding frame 110, the second pipe 107 is equipped with first fixed shell 107, and second pipe 107 is connected with second pipe and has a second pipe 107, and a pipe connecting with the second pipe 107, and a pipe connecting end is connected with the pipe connecting with the pipe and a pipe-shaped connecting with the pipe-shaped connecting end and a pipe-connecting end, a pipe-connecting end with a pipe-connecting end, a pipe and a pipe end and a pipe end, the first tension spring 111 is sleeved on the first sliding frame 110 and is positioned in the second fixed shell 109, the rear side surface of the sealing door 101 is fixedly connected with the first fixed frame 112, the first fixed frame 112 is provided with a limit groove, the sealing door 101 is rotatably provided with a rotating handle 113 matched with the limit groove on the first fixed frame 112, a first spring 114 is arranged between the rotating handle 113 and the sealing door 101, the first spring 114 is sleeved on the rotating handle 113 and positioned at the rear side of the sealing door 101, the side wall of the rotating handle 113 is fixedly connected with a second fixed frame 115, the second fixed frame 115 is in limit fit with the first sliding frame 110, under the rotation action of the rotating handle 113, the rotating handle 113 drives the second fixed frame 115 to rotate together to extrude the first sliding frame 110 to move, the first sliding frame 110 extrudes hydraulic oil to enable the first sliding column 104 to move and be inserted into a blind hole of the door frame 1, the door frame 1 is provided with a limit mechanism 2 for limiting the movement of the first sliding column 104, and the door frame 1 is provided with a sealing mechanism 3 for improving the tightness between the door frame 1 and the sealing door.
As shown in fig. 4 and 6, the limiting mechanism 2 includes a third fixed shell 201, the third fixed shell 201 is fixedly connected to the rear side of the sealing door 101, the third fixed shell 201 is slidably provided with a second sliding frame 202, the second sliding frame 202 is located at the front side of the first sliding frame 110, the second sliding frame 202 is in limit fit with the second fixed frame 115, the left part of the sealing door 101 is embedded with a second conduit 204, the second conduit 204 is a three-way pipe, one port of the second conduit 204 is communicated with the third fixed shell 201, the other two ports of the second conduit 204 are respectively communicated with two second solid shells 107, the left part of the sealing door 101 is provided with two through holes which are vertically symmetrical, the second solid shells 107 are slidably provided with second sliding columns 205, the right part of the second sliding columns 205 is a step shaft for guaranteeing normal flow of hydraulic oil between the two second solid shells 107, the left part of the second sliding column 205 penetrates through the adjacent second solid shell 107 and is positioned in the adjacent through hole on the sealing door 101, the second solid shell 107 and the adjacent second sliding column 205 are matched to form two transfer cavities, the first guide pipe 108 and the second guide pipe 204 are respectively communicated with the two transfer cavities on the second solid shell 107, the sliding cavity is arranged at the left part of the door frame 1, a third sliding frame 206 is arranged in the sliding cavity of the door frame 1 in a sliding manner, the third sliding frame 206 is matched with the through hole on the sealing door 101 and used for limiting the movement of the second sliding column 205 so as to facilitate the subsequent door closing operation, the third sliding frame 206 can not limit the second sliding column 205 in a door opening state, the second sliding column 205 is in a free sliding state, when the rotating handle 113 is prevented from being twisted by an operator, the first sliding column 104 is enabled to extend out of the adjacent first fixed shell 103, the protection of the first sliding column 104 is enhanced, the service life of the device is prolonged, two third springs 207 which are vertically symmetrical are fixedly connected between the third sliding frame 206 and the door frame 1.
As shown in fig. 2 and 7, the sealing mechanism 3 includes symmetrical sliding plates 301, the symmetrical sliding plates 301 are respectively slidably disposed in adjacent blind holes on the door frame 1, a fourth spring 302 is fixedly connected between the sliding plates 301 and the door frame 1, the fourth spring 302 is located in the adjacent blind holes on the door frame 1, in an initial state, under the action of the fourth spring 302, the sliding plates 301 block the adjacent blind holes on the door frame 1, impurities are prevented from falling into the blind holes of the door frame 1 to affect the locking operation, the door frame 1 is embedded with a symmetrical third conduit 303, the front end of the third conduit 303 is communicated with the adjacent blind holes on the door frame 1, the rear portion of the door frame 1 is fixedly connected with a hollow sealing strip 304, the rear portion of the third conduit 303 is communicated with the sealing strip 304, the sliding plates 301 are matched with the adjacent first sliding columns 104, after the first sliding columns 104 are inserted into the adjacent blind holes on the door frame 1, the adjacent sliding plates 301 are moved, gas is enabled to enter the sealing strip 304 to expand, and the sealing strip 304 expands to improve the sealing performance between the door frame 1 and the sealing door 101.
In the initial state, after the sealing door 101 is closed, the through hole on the sealing door 101 is opposite to the third sliding frame 206, under the action of the third spring 207, the third sliding frame 206 is inserted into the through hole of the sealing door 101 and is attached to the second sliding column 205, then an operator pulls the rotating handle 113 to firstly separate the rear part from the cooperation with the limit groove on the first fixing frame 112, then the operator rotates the rotating handle 113 to drive the second fixing frame 115 to rotate together, the second fixing frame 115 rotates to firstly release the extrusion limit on the second sliding frame 202, under the limit action of the third sliding frame 206, the second sliding column 205 cannot move continuously, and meanwhile, the second sliding frame 202 is kept relatively stationary in the third fixing shell 201 under the action of the hydraulic oil in the left transfer cavity of the second solid shell 107 and the second guide pipe 204.
In the rotation process of the second fixing frame 115, the second fixing frame 115 starts to extrude the first sliding frame 110 at the same time, the second fixing frame 115 is extruded to move leftwards, the second fixing frame 115 moves and extrudes hydraulic oil in the second fixing shell 109, the hydraulic oil in the second fixing shell 109 is transmitted into the four first fixing shells 103 through the first guide pipe 108, the right transfer cavities on the two second fixing shells 107 and corresponding pipelines, the four first sliding columns 104 extend out of the adjacent first fixing shells 103 and are inserted into adjacent blind holes on the door frame 1, limiting between the sealing door 101 and the door frame 1 is completed, then an operator releases the rotating handle 113, the rotating handle 113 is located in a limiting groove of the first fixing frame 112 again, and at the moment, the rotating handle 113 is in a vertical state, and door closing operation is completed.
In the moving process of the first sliding columns 104, the first sliding columns 104 which are adjacent up and down squeeze the adjacent sliding plates 301, the sliding plates 301 move to compress the adjacent fourth springs 302, the sliding plates 301 move to push the gas in the blind holes on the door frame 1 to the sealing strips 304 through the adjacent third guide pipes 303, the gas in the middle cavities of the sealing strips 304 is increased, the sealing strips 304 squeeze and cling to the sealing door 101, and the tightness between the door frame 1 and the sealing door 101 is improved.
When the door frame 1 needs to be passed, an operator holds the rotary handle 113 to perform the reverse operation, so that the rotary handle 113 is in a horizontal state, at this time, the rotary handle 113 drives the second fixing frame 115 to rotate, so that the second fixing frame 115 extrudes the second sliding frame 202, the second sliding frame 202 moves to pump hydraulic oil in a transfer cavity at the left side of the second solid housing 107 into the third fixing housing 201, at this time, the second sliding column 205 moves to extrude the third sliding frame 206, so that the third sliding frame 206 is separated from a through hole on the door frame 1, and at the same time, under the action of the first tension spring 111, the first sliding frame 110 performs the reverse movement reset, so that the first sliding column 104 is retracted into the adjacent first fixing housing 103, the locking between the sealing door 101 and the door frame 1 is released, and the sealing door 101 is pushed to finish the door opening operation.
If the shock wave generated by the subsequent explosion acts on the sealing door 101, the explosion shock wave acts on the sliding shell 102, the sliding shell 102 is impacted, moves and compresses the gas between the sliding shell and the sealing door 101, so as to buffer the explosion shock wave, and meanwhile, the first sliding columns 104 are matched with the door frame 1 to uniformly distribute the shock wave generated by the explosion at multiple points, so that the use safety of the door frame 1 and the sealing door 101 is improved.
When the sealing door 101 is in an open state, the third sliding frame 206 is retracted into the door frame 1, wherein the second sliding column 205 is in a free moving state in the adjacent second solid shell 107, and is subject to damping action between the first sliding column 104 and the first fixed shell 103, at this time, an operator rotates the rotating handle 113 freely, the rotating handle 113 drives the second fixed frame 115 to rotate, whether the first sliding frame 110 or the second sliding frame 202 is pressed, hydraulic oil flows and presses the second sliding column 205 to slide in the adjacent second solid shell 107, the first sliding column 104 does not extend out from the first fixed shell 103, namely, when the operator holds the rotating handle 113 to close the sealing door 101 in an emergency, normal closing of the sealing door 101 is not affected, and safety and reliability of closing operation of the sealing door 101 are improved.
Example 2: on the basis of embodiment 1, as shown in fig. 8 and 9, the impact absorber further comprises a buffer mechanism 4, the buffer mechanism 4 is arranged on the door frame 1, the buffer mechanism 4 is used for absorbing impact waves generated by explosion, the buffer mechanism 4 comprises four first cylindrical shells 401 distributed in a rectangular array, the four first cylindrical shells 401 are fixedly connected to the rear side surface of the sealing door 101, the front side of the inner wall of the first cylindrical shells 401 is arranged in a circular arc shape and used for dispersing impact force, the front side of the sliding shell 102 is fixedly connected with four second cylindrical shells 402 distributed in a rectangular array, the four second cylindrical shells 402 correspond to the four first cylindrical shells 401, the four first cylindrical shells 401 are sequentially communicated through pipelines, the four second cylindrical shells 402 are also sequentially communicated through pipelines and used for uniformly dispersing the impact force born on the sliding shell 102, limiting sliding is arranged between the second cylindrical shell 402 and the first cylindrical shell 401 on the same horizontal plane, a third sliding column 403 is arranged between the second cylindrical shell 402 and the first cylindrical shell 401, hydraulic oil is arranged in the first cylindrical shell 401 and the second cylindrical shell 402, round holes distributed circumferentially at equal intervals are formed in two ends of the third sliding column 403, the round holes in the third sliding column 403 are used for limiting hydraulic oil circulation, fifth springs 404 are fixedly connected between the third sliding column 403 and the adjacent first cylindrical shell 401 and between the third sliding column 403 and the adjacent second cylindrical shell 402, vertical spline grooves are formed in the middle of the third sliding column 403, limiting assemblies 5 are arranged at the spline grooves of the third sliding column 403 and used for limiting the adjacent second cylindrical shell 402, impact force borne by the sliding shell 102 is buffered in multiple modes through the four groups of the fifth springs 404 and the hydraulic oil, interaction force between the door frame 1 and the sealing door 101 is weakened, and accordingly stability and reliability of connection of the door frame 1 and the sealing door are improved.
As shown in fig. 9, the limiting component 5 includes two fourth sliding frames 501 that are vertically symmetrical, the two fourth sliding frames 501 are both slidably disposed in spline grooves of the adjacent third sliding columns 403, a second tension spring 502 is fixedly connected between the adjacent two fourth sliding frames 501, the second tension spring 502 is located in the spline groove of the adjacent third sliding column 403, the fourth sliding frame 501 is approximately L-shaped, a convex ring is disposed at the rear portion of the fourth sliding frame 501, a bump of the fourth sliding frame 501 is used for limiting the adjacent second cylindrical shell 402, a first wedge block 503 is fixedly connected at a bending portion of the fourth sliding frame 501, two second wedge blocks 504 that are vertically symmetrical are fixedly connected at the rear portion of the first cylindrical shell 401, the second wedge blocks 504 are in limit fit with the adjacent first wedge blocks 503, and under the limit effect of the fourth sliding frame 501 on the adjacent second cylindrical shell 402, the two portions of the first cylindrical shell 401 and the second cylindrical shell 402 are respectively and independently or together exert effects, so that the buffering effect of the device on explosion impact is improved, and the integrity of the door frame 101 is ensured.
In the initial state, the fourth sliding frame 501 limits the adjacent second cylindrical shell 402, when the sealing door 101 is in the closed state, if the impact force generated by explosion acts on the sliding shell 102, the sliding shell 102 is impacted to move forwards, the sliding shell 102 drives the adjacent second cylindrical shell 402, the fourth sliding frame 501 and the third sliding column 403 to move together, the third sliding column 403 moves to enable the front part of the third sliding column 403 to move in the corresponding first cylindrical shell 401, the corresponding fifth spring 404 is compressed to buffer the explosion impact force, meanwhile, the hydraulic oil in the first cylindrical shell 401 flows through a round hole at the front part of the third sliding column 403, the hydraulic oil blocks the movement of the third sliding column 403, the impact force generated by explosion is buffered in a plurality of modes, meanwhile, the hydraulic oil in the first cylindrical shell 401 and the second cylindrical shell 402 absorbs and weakens the impact force generated by explosion, the interaction force between the door frame 1 and the sealing door 101 is weakened, the installation stability between the two is guaranteed, and after the impact force disappears, the elastic force of the fifth spring 404 is compressed to enable the device to reversely reset.
When the third sliding columns 403 move in the adjacent first cylindrical shells 401, under the communication action of the pipelines between the four first cylindrical shells 401, hydraulic oil in the four first cylindrical shells 401 respectively performs synergistic buffering on the four third sliding columns 403, namely, equally dividing and buffering on the explosion impact force acting on the sliding shells 102, so that the use safety of the device is improved.
The shock wave generated by explosion is often not single, under the action of multiple shock waves, the operation is continuously repeated, the explosion impact is continuously buffered, if the hydraulic buffering of the first cylindrical shell 401 and the third cylindrical shell 403 fails, under the action of the explosion impact, the front side surface of the third cylindrical shell 403 gradually moves to be attached to the inner bottom surface of the adjacent first cylindrical shell 401, at this time, the third cylindrical shell 403 drives the first wedge block 503 to move to be attached to the adjacent second wedge block 504 through the adjacent fourth sliding frame 501, at this time, the second wedge block 504 presses the adjacent first wedge block 503, so that two fourth sliding frames 501 on the same third cylindrical shell 403 are far away from and stretch the adjacent second tension spring 502, the fourth sliding frame 501 moves to release the limit of the adjacent second cylindrical shell 402, and subsequently under the action of the explosion impact, the sliding shell 102 drives the four second cylindrical shells 402 to move on the third sliding shell 403 and compress the adjacent fifth spring 404, hydraulic oil in the second cylindrical shell 402 buffers the explosion impact, at this time, the reliability of the device is improved, the buffer function of the device is further improved, and the safety of the device is further improved, and the buffer function of the device is realized under the buffer function of the first cylindrical shell.
Example 3: on the basis of embodiment 2, as shown in fig. 10 and 11, the device further comprises a blocking mechanism 6, the blocking mechanism 6 is arranged on the sealing door 101 and used for weakening the impact force vertically acting on the sealing door 101, the blocking mechanism 6 comprises two third cylindrical shells 601 which are vertically symmetrical, the two third cylindrical shells 601 are fixedly connected to the rear side surface of the sealing door 101, fifth sliding frames 602 are arranged at the left and right parts of the third cylindrical shells 601 in a sliding mode, round holes which are uniformly distributed are formed in the opposite sides of the left and right adjacent fifth sliding frames 602, the opposite sides of the left and right adjacent fifth sliding frames 602 are approximately arranged in a V shape, the rear length of the V shape is larger than the front length of the V shape, hydraulic oil is arranged in the third cylindrical shells 601, a sixth spring 603 is fixedly connected between the left and right adjacent fifth sliding frames 602, a first fixing plate 604 is fixedly connected to the opposite sides of the left and right adjacent third sliding columns 403, the first fixing plate 604 and the adjacent fifth sliding frames 602 are in a contact fit, under the impact action, the sliding shells 102 are enabled to enable the third sliding frames 402 to pass through the second cylindrical shells 402 to enable the third sliding frames 602 to be in a sliding frames to be in a sliding mode, the impact force is weakened, the force is further reduced, the sealing door 101 is adjusted, and the force is further reduced by the sealing door 1 is adjusted, and the force is reduced by the fifth sliding frames 602, and the force is further adjusted by the sealing door 101, and the force is reduced by the sliding frames 101.
As shown in fig. 10 and 11, the adjusting component 7 includes two fourth cylindrical shells 701 symmetrical left and right, the two fourth cylindrical shells 701 are fixedly connected to the side walls of the adjacent third cylindrical shells 601, the upper portion of each fourth cylindrical shell 701 is communicated with a liquid guiding tube 702, the liquid guiding tube 702 is configured as a three-way tube, the other two ports of each liquid guiding tube 702 are respectively communicated with the adjacent first cylindrical shell 401 and the adjacent second cylindrical shell 402, a second fixing plate 703 and a sixth sliding frame 704 are slidably arranged in the fourth cylindrical shell 701, the side surface of each sixth sliding frame 704, which is close to the adjacent fifth sliding frame 602, is approximately m-shaped, an elastic protruding strip is arranged on the m-shaped side surface of each sixth sliding frame 704 and is used for changing the contact area between each elastic protruding strip and the adjacent fifth sliding frame 602, a seventh spring 705 is fixedly connected between each second fixing plate 703 and the adjacent sixth sliding frame 704, the seventh spring 705 is located in the adjacent fourth cylindrical shell 701, the sixth sliding frame 704 and the adjacent fifth sliding frame 704 are matched with the fifth sliding frame 602, the pressing force of the fifth sliding frame 704 is not weakened by the second fixing plate 703 or the fifth sliding frame 602, and the pressing force of the fifth sliding frame 704 is simultaneously is weakened by the fifth sliding frame 602, and the pressing force of the fifth sliding frame 704 is not vertical to the fifth sliding frame 602, and the pressing force is simultaneously is changed by the fifth sliding frame 602, and the pressing force is vertical to the fifth sliding frame 602, and the fifth sliding frame is perpendicular to the fifth sliding frame is used, and the pressing frame is used as pressing and the fifth sliding frame, and the fifth sliding frame is used, and the fifth sliding frame.
In the process of explosion impact, the third sliding column 403 drives the first fixing plate 604 to move at the same time, the first fixing plate 604 moves to squeeze the adjacent fifth sliding frame 602, the fifth sliding frame 602 adjacent to each other from left to right is pressed to be close to the sixth spring 603 adjacent to compression, meanwhile, hydraulic oil in the third cylindrical shell 601 flows through a round hole on the fifth sliding frame 602 adjacent to the third sliding frame, under the elastic action of the sixth spring 603 and the resistance action of the hydraulic oil, impact force vertically acting on the sealing door 101 is weakened, and the door frame 1 and the sealing door 101 in a closed state are protected.
In the moving process of the fifth sliding frame 602, due to the action of impact forces with different magnitudes, the third sliding column 403 is moved to apply different extrusion forces to the adjacent first cylindrical shells 401, wherein hydraulic oil in the first cylindrical shells 401 transfers the extrusion forces to the adjacent second fixing plates 703 through the adjacent liquid guiding tube 702 and hydraulic oil in the adjacent fourth cylindrical shells 701, the extrusion forces act on the sixth sliding frame 704 through the adjacent second fixing plates 703 and the adjacent seventh springs 705, namely, the extrusion force of the sixth sliding frame 704 to the adjacent fifth sliding frame 602 is changed, so that the resistance force applied to the movement of the fifth sliding frame 602 is changed, the vertical impact forces with different magnitudes on the sliding shells 102 are blocked with different degrees, the vertical impact forces applied to the sealing door 101 are weakened to the greatest extent, and the service life of the device is prolonged.
If the second cylindrical shell 402 moves on the adjacent third sliding column 403, at this time, the first fixing plate 604 is located at the front side of the fifth sliding frame 602, under the action of the elastic force of the sixth spring 603, the fifth sliding frame 602 moves reversely to fit the front side of the adjacent second cylindrical shell 402, at this time, when the second cylindrical shell 402 moves to buffer the impact force, the fifth sliding frame 602 weakens the impact force again, if the impact is over, the reverse operation is repeated subsequently, so that all the parts are reset, and the subsequent frequent buffering of the explosion impact is facilitated again.
Example 4: on the basis of embodiment 3, as shown in fig. 6, 12 and 13, the cleaning mechanism 8 is further included, the cleaning mechanism 8 is disposed on the door frame 1, the cleaning mechanism 8 is used for cleaning the door frame 1 and the sealing door 101, the cleaning mechanism 8 includes two air storage shells 801 which are vertically symmetrical, the two air storage shells 801 are embedded on the door frame 1, a seventh sliding frame 802 is slidably disposed at the left part of the air storage shells 801, a round hole for installing a one-way valve is disposed at the right side of the seventh sliding frame 802, the one-way valve is used for allowing air outside the seventh sliding frame 802 to enter the seventh sliding frame 802, gears 803 are fixedly connected to two ends of a rotating shaft on the sealing door 101, racks are disposed at the left part of the seventh sliding frame 802, the racks on the seventh sliding frame 802 are meshed with adjacent gears 803, two air injection pipes 804 which are vertically symmetrical are embedded in the door frame 1, the air injection pipes 804 are communicated with the adjacent air storage shells 801, the one-way valves are mounted at the air outlet holes of the air injection pipes 804, the one-way valves are used for being discharged to the outside in the air injection pipes 804, and when the sealing door 101 swings to close the door, the seventh sliding frame 802 is fixedly connected with gears 803, so that the two air injection pipes 804 are enabled to be in the adjacent shells, and the air storage shells 101, and the sealing door frame 101 are prevented from being coincident with each other, and sealing door 101.
In the process of closing the sealing door 101, the sealing door 101 drives the adjacent gears 803 to rotate together, the gears 803 rotate to enable the gears to move in the adjacent gas storage shells 801 through racks on the adjacent seventh sliding frames 802, at the moment, the check valves on the seventh sliding frames 802 are in a closed state, gas in the gas storage shells 801 is pushed into the adjacent gas spraying pipes 804, finally the two gas spraying pipes 804 spray gas together, the gas sprayed by the two gas spraying pipes 804 blows the upper part of the sealing door 101 and the lower part of the door frame 1 respectively, and the sealing door 101 is prevented from swinging and closing in the door frame 1 due to dust and impurities, so that the sealing property between the sealing door 101 and the door frame 1 is ensured.
While the invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.
Claims (10)
1. The utility model provides a people's air defense door with explosion-proof impact function, its characterized in that, including door frame (1), door frame (1) rotates and is provided with sealing door (101), sealing door (101) slide and are provided with sliding shell (102), sliding shell (102) with sealing door (101) cooperate and form the cavity that is full of gas, sealing door (101) lateral wall inlay have symmetrical first fixed shell (103), sliding of first fixed shell (103) is provided with first sliding column (104), door frame (1) are equipped with symmetrical blind hole, first sliding column (104) with adjacent blind hole cooperation on door frame (1), sealing door (101) inlay symmetrical second solid shell (107), symmetrical between second solid shell (107) pass through the pipeline with the symmetry of establishing ties first fixed shell (103) intercommunication, sealing door (101) inlay with first pipe (108) of second solid shell (107) intercommunication, sealing door (101) slide and be provided with first sliding column (104), sealing door (101) have first pipe (110) first fixed frame (109) rigid coupling first sliding frame (110), the sealing door comprises a door frame (1), and is characterized in that a first fixing frame (112) is provided with a limiting groove, a sealing door (101) is rotatably provided with a rotating handle (113), the rotating handle (113) is matched with the limiting groove on the first fixing frame (112), a first spring (114) is installed between the rotating handle (113) and the sealing door (101), the rotating handle (113) is fixedly connected with a second fixing frame (115) matched with a first sliding frame (110), the sealing door (101) is provided with a limiting mechanism (2) for limiting the movement of a first sliding column (104), and the door frame (1) is provided with a sealing mechanism (3) for improving the sealing performance between the door frame and the sealing door (101).
2. The civil air defense door with explosion-proof impact function according to claim 1, wherein the limiting mechanism (2) comprises a third fixed shell (201), the third fixed shell (201) is fixedly connected to the side wall of the sealing door (101), the third fixed shell (201) is slidably provided with a second sliding frame (202) matched with the second fixed frame (115), the sealing door (101) is embedded with a second conduit (204) communicated with the third fixed shell (201), the sealing door (101) is provided with symmetrical through holes, the second solid shell (107) is slidably provided with a second sliding column (205), the second sliding column (205) penetrates through the adjacent second solid shell (107) and is positioned in the adjacent through holes on the sealing door (101), the second solid shell (107) is matched with the adjacent second sliding column (205) to form two transfer cavities, the symmetrical second solid shell (107) is respectively communicated with the second conduit (204) and the second conduit (204), the second conduit (206) is respectively matched with the second sliding frame (101) and the second conduit (204), and a symmetrical third spring (207) is fixedly connected between the third sliding frame (206) and the door frame (1).
3. The civil air defense door with the explosion-proof impact function according to claim 2, wherein the sealing mechanism (3) comprises symmetrical sliding plates (301), the symmetrical sliding plates (301) are respectively arranged in adjacent blind holes on the door frame (1) in a sliding mode, a fourth spring (302) is fixedly connected between the sliding plates (301) and the door frame (1), a symmetrical third guide pipe (303) is embedded in the door frame (1), a hollow sealing strip (304) is fixedly connected with the door frame (1), the third guide pipe (303) is communicated with the sealing strip (304) and the adjacent blind holes on the door frame (1), and the sliding plates (301) are matched with the adjacent first sliding columns (104).
4. The people's air defense door with explosion-proof impact function according to claim 3, characterized in that, still including being used for absorbing the buffer gear (4) of explosion shock wave, buffer gear (4) set up in on door frame (1), buffer gear (4) are including rectangular array distributed first cylindrical shell (401), rectangular array distributed first cylindrical shell (401) all the rigid coupling in sealing door (101), sliding shell (102) face one side rigid coupling of sealing door (101) has rectangular array distributed second cylindrical shell (402), spacing slip between second cylindrical shell (402) and the adjacent first cylindrical shell (401) is provided with third sliding column (403), all be equipped with hydraulic oil in first cylindrical shell (401) with second cylindrical shell (402), the both ends of third sliding column (403) all are equipped with circumference equidistance distributed round hole, third sliding column (403) with adjacent first cylindrical shell (403) and adjacent second cylindrical shell (401) between be equipped with spacing boss (402), third sliding column (403) are equipped with between the adjacent cylindrical shell (403) and second cylindrical shell (402) are used for spacing rigid coupling.
5. The civil air defense door with the explosion-proof impact function according to claim 4, wherein the first cylindrical shells (401) distributed in a rectangular array are sequentially communicated through a pipeline for uniformly dispersing impact force.
6. The civil air defense door with the explosion-proof impact function according to claim 4, wherein the limiting assembly (5) comprises symmetrical fourth sliding frames (501), the symmetrical fourth sliding frames (501) are all arranged in spline grooves of adjacent third sliding columns (403) in a sliding mode, second tension springs (502) are fixedly connected between the symmetrical fourth sliding frames (501) in the same third sliding column (403), the fourth sliding frames (501) are in limit fit with adjacent second cylindrical shells (402), first wedge blocks (503) are fixedly connected to the fourth sliding frames (501), symmetrical second wedge blocks (504) are fixedly connected to the first cylindrical shells (401), and the second wedge blocks (504) are in limit fit with the adjacent first wedge blocks (503).
7. The civil air defense door with the explosion-proof impact function according to claim 6, further comprising a blocking mechanism (6) for weakening impact force vertically acting on the sealing door (101), wherein the blocking mechanism (6) is arranged on the sealing door (101), the blocking mechanism (6) comprises a symmetrical third cylindrical shell (601), the symmetrical third cylindrical shell (601) is fixedly connected to the side wall of the sealing door (101), the third cylindrical shell (601) is slidably provided with a symmetrical fifth sliding frame (602), one side of the fifth sliding frame (602) positioned in the adjacent third cylindrical shell (601) is provided with evenly distributed round holes, hydraulic oil is arranged in the third cylindrical shell (601), a sixth spring (603) is fixedly connected between the fifth sliding frames (602) which are symmetrical on the same third cylindrical shell (601), the side wall of the third sliding frame (403) is fixedly connected with a first fixing plate (604), and the fifth sliding frame (602) is provided with a second round hole, and the second sliding frame (602) is matched with the fifth sliding frame (602).
8. The civil air defense door with the explosion-proof impact function according to claim 7, wherein the adjusting component (7) comprises a symmetrical fourth cylindrical shell (701), the symmetrical fourth cylindrical shells (701) are fixedly connected to the side walls of the adjacent third cylindrical shells (601), the fourth cylindrical shells (701) are communicated with a liquid guide tube (702), the liquid guide tube (702) is communicated with the adjacent first cylindrical shells (401) and the adjacent second cylindrical shells (402), a second fixing plate (703) and a sixth sliding frame (704) are arranged in the fourth cylindrical shells (701) in a sliding mode, a seventh spring (705) is fixedly connected between the second fixing plate (703) and the adjacent sixth sliding frame (704), and the sixth sliding frame (704) is matched with the adjacent fifth sliding frame (602).
9. The civil air defense door with the explosion-proof function according to claim 8, wherein the side of the sixth sliding frame (704) close to the adjacent fifth sliding frame (602) is approximately m-shaped, and the m-shaped side of the sixth sliding frame (704) is provided with elastic protruding strips for changing the contact area between the sixth sliding frame and the adjacent fifth sliding frame (602).
10. The civil air defense door with the explosion-proof impact function according to claim 1, further comprising a cleaning mechanism (8) for cleaning the door frame (1), wherein the cleaning mechanism (8) is arranged on the door frame (1), the cleaning mechanism (8) comprises symmetrical air storage shells (801), the symmetrical air storage shells (801) are embedded on the door frame (1), a seventh sliding frame (802) is arranged on the air storage shells (801) in a sliding mode, a round hole is formed in one side, adjacent to the air storage shells (801), of the seventh sliding frame (802), a one-way valve is arranged in the round hole of the seventh sliding frame (802), gears (803) are fixedly connected to two ends of a rotating shaft of the sealing door (101), racks meshed with the adjacent gears (803) are arranged on the seventh sliding frame (802), symmetrical air storage shells (804) are embedded in the door frame (1), the air storage shells (801) are communicated with the adjacent air outlet holes of the air storage shells (801), and the one-way valve is arranged in the round hole of the seventh sliding frame (802).
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| CN202410076449.XA CN117588145B (en) | 2024-01-18 | 2024-01-18 | Civil air defense door with explosion-proof impact function |
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| CN202410076449.XA CN117588145B (en) | 2024-01-18 | 2024-01-18 | Civil air defense door with explosion-proof impact function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2909801A1 (en) * | 1979-03-13 | 1980-09-18 | Erwin Baier | Gas conduit channel in explosion chamber door - fits on long sides of door leaf and has destructible seal, and leaf is reinforced along seal |
| KR101569313B1 (en) * | 2015-03-06 | 2015-11-13 | 유한회사 돌로지스틱스캄파니 | Door device having airtight function |
| KR101655254B1 (en) * | 2015-11-18 | 2016-09-07 | 황재호 | Pressure tight door capable to move of hinge |
| CN113309451A (en) * | 2021-06-21 | 2021-08-27 | 安徽双鹏实业有限公司 | Civil air defense door with buffer function |
| CN114607249A (en) * | 2022-03-23 | 2022-06-10 | 江苏千喜智能科技有限公司 | Special composite civil air defense door with good ventilation effect and impact prevention function |
-
2024
- 2024-01-18 CN CN202410076449.XA patent/CN117588145B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2909801A1 (en) * | 1979-03-13 | 1980-09-18 | Erwin Baier | Gas conduit channel in explosion chamber door - fits on long sides of door leaf and has destructible seal, and leaf is reinforced along seal |
| KR101569313B1 (en) * | 2015-03-06 | 2015-11-13 | 유한회사 돌로지스틱스캄파니 | Door device having airtight function |
| KR101655254B1 (en) * | 2015-11-18 | 2016-09-07 | 황재호 | Pressure tight door capable to move of hinge |
| CN113309451A (en) * | 2021-06-21 | 2021-08-27 | 安徽双鹏实业有限公司 | Civil air defense door with buffer function |
| CN114607249A (en) * | 2022-03-23 | 2022-06-10 | 江苏千喜智能科技有限公司 | Special composite civil air defense door with good ventilation effect and impact prevention function |
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