CN112302490A - Civil air defense door with reinforced locking device - Google Patents
Civil air defense door with reinforced locking device Download PDFInfo
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- CN112302490A CN112302490A CN202011104480.8A CN202011104480A CN112302490A CN 112302490 A CN112302490 A CN 112302490A CN 202011104480 A CN202011104480 A CN 202011104480A CN 112302490 A CN112302490 A CN 112302490A
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- Prior art keywords
- door
- fixedly connected
- stop lever
- block
- bolt
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/003—Locking bars, cross bars, security bars
- E05C19/004—Locking bars, cross bars, security bars at an angle between door and floor or wall
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The invention discloses a civil air defense door with a reinforced locking device, which comprises a civil air defense door mechanism, wherein the civil air defense door mechanism comprises a door frame, a protective door, a first reinforcing bolt, a second reinforcing bolt and a locking main body, the protective door is rotatably arranged on the inner side of the door frame, the first reinforcing bolt is rotatably arranged with the door frame, the second reinforcing bolt is rotatably arranged with the door frame, the locking main body is fixedly arranged with the protective door, the door frame comprises a frame body, a first clamping block, a first rotating shaft, a first bearing seat, a second rotating shaft, a doorsill, a second bearing seat, a second clamping block, a third rotating shaft and a fourth clamping block, the rear end of the first clamping block is fixedly connected with the frame body, the rear end of the first rotating shaft is fixedly connected with the frame body, and the rear end of the first bearing seat is fixedly connected with the frame body. The invention relates to the technical field of civil air defense door equipment, which can improve the firmness of a locked civil air defense door and better meet the use requirement.
Description
Technical Field
The invention relates to the technical field of civil air defense door equipment, in particular to a civil air defense door with a reinforced locking device.
Background
Conventional people's air defense door mainly adopts the mode of horizontal bolt to fix, because the atress of horizontal bolt is mainly concentrated in the middle part of door, causes the atress inhomogeneous, is difficult to the fastness of the upper portion and the lower part of guarantee door, and conventional horizontal bolt operation is got up also inconvenient, so needs a scheme that can alleviate above-mentioned problem urgently.
Disclosure of Invention
The present invention is directed to a civil air defense door having a reinforced locking device to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a civil air defense door with a reinforced locking device comprises a civil air defense door mechanism, wherein the civil air defense door mechanism comprises a door frame, a protective door, a first reinforcing bolt, a second reinforcing bolt and a locking main body, the protective door is rotatably arranged on the inner side of the door frame, the first reinforcing bolt is rotatably arranged with the door frame, the second reinforcing bolt is rotatably arranged with the door frame, and the locking main body is fixedly arranged with the protective door; the door frame comprises a frame body, a first clamping block, a first rotating shaft, a first bearing seat, a second rotating shaft, a door sill, a second bearing seat, a second clamping block, a third rotating shaft and a fourth clamping block, the rear end of the first fixture block is fixedly connected with the frame body, the rear end of the first rotating shaft is fixedly connected with the frame body, the rear end of the first bearing seat is fixedly connected with the frame body, the rear end of the second rotating shaft is fixedly connected with the frame body, the lower end of the frame body is fixedly connected with the upper end of the threshold, the rear end of the second bearing seat is fixedly connected with the threshold, the rear end of the second clamping block is fixedly connected with the threshold, the third rotating shaft is fixedly arranged at the inner end of the frame body, the rear end of the third fixture block is fixedly connected with the frame body, and the rear end of the fourth fixture block is fixedly connected with the frame body; the protective door comprises a door body, and the side end of the door body is rotatably arranged at the outer end of the third rotating shaft; the first reinforcing bolt comprises a first stop lever, a first connecting seat, a first tension spring and a second connecting seat, the upper part of the first stop lever is rotatably installed at the outer end of the first rotating shaft, the rear wall of the first stop lever is extruded with the door body in a sliding manner, the first connecting seat is rotatably installed at the front part of the upper end of the first stop lever, the upper end of the first tension spring is fixedly connected to the lower end of the first connecting seat, the lower end of the first tension spring is fixedly connected to the upper end of the second connecting seat, and the second connecting seat is rotatably installed at the inner end of the first bearing seat; the second reinforcing bolt comprises a second stop lever, a third connecting seat, a second tension spring and a fourth connecting seat, the second stop lever is in sliding contact with the door body and the first stop lever, the lower portion of the second stop lever is rotatably installed at the outer end of the second rotating shaft, the second stop lever is matched with a third clamping block and a fourth clamping block in a clamping mode, the first stop lever is matched with the first clamping block and the second clamping block in a clamping mode, the third connecting seat is rotatably installed at the front portion of the lower end of the second stop lever, the upper end of the second tension spring is fixedly connected to the lower end of the third connecting seat, the lower end of the second tension spring is fixedly connected to the upper end of the fourth connecting seat, and the fourth connecting seat is rotatably installed on the inner wall of the second bearing seat; the locking main part includes carousel, handle and bolt, the carousel is in the same place with bolt fixed connection, the lower extreme fixed mounting of handle is at the antetheca of the door body, bolt screw thread grafting is installed in the inboard of handle, the rear end slip grafting of bolt is installed at the front end of the door body, the lower extreme activity of bolt is supported in the upper end of first pin.
Preferably, the door frame further comprises a step, the step is fixedly connected with the doorsill, and the lower end of the step is fixedly installed through the ground.
Preferably, the door frame further comprises a fixed block, the fixed block is fixedly connected with the third rotating shaft, and the outer end of the fixed block is fixedly connected with the frame body.
Preferably, the protective door further comprises a slot, and the bolt is slidably inserted and installed at the inner end of the slot.
Preferably, the protective door further comprises a first thickening block, the first thickening block is fixedly connected with the door body into a whole, and the first thickening block is in movable contact with the first stop lever.
Preferably, the first reinforcing bolt further comprises a cushion block, the cushion block is in sliding contact with the bolt, and the cushion block is fixedly connected with the first stop lever.
Preferably, the first reinforcing bolt further comprises a second thickening block, the second thickening block is fixedly connected with the first stop lever, and the second thickening block is in sliding contact with the door body.
Preferably, the locking body further comprises a nut, and the nut is fixedly connected with the handle.
Preferably, the locking main body further comprises a connecting block, the lower end of the handle is fixedly connected to the front end of the connecting block, and the connecting block is fixedly connected with the door body.
Compared with the prior art, the invention has the following beneficial effects:
when a user needs to open the protective door, the rotary disc is manually screwed firstly, the bolt is driven by the rotary disc to spirally rotate forwards until the rear part of the bolt enters the inside of the handle, then the lower part of the rotary disc is pushed upwards, the resistance of the first stop lever pushed upwards is reduced by using the first tension spring, so that the first stop lever is conveniently pushed upwards manually until the first stop lever is attached to the first clamping block, the upward unfolding state of the first stop lever is stabilized by using the first tension spring, then the upper part of the second stop lever is pushed aside, and the second tension spring is used for providing tension for the lower end of the second stop lever, so that the second stop lever can keep the vertical state; the front part of the protective door is not shielded by the first reinforcing bolt and the second reinforcing bolt, and then the door body is opened forwards; when a user needs to lock the protective door again, the protective door is reversely operated in the same way, the front side supporting force of the second stop lever is improved by utilizing the mode that the second bearing seat and the fourth clamping block are clamped with the second stop lever, the front side of the door body is shielded by utilizing the second stop lever, the resistance of the front side of the door body is improved, the forward resistance of the first stop lever is improved by utilizing the mode that the first clamping block and the second clamping block are clamped with the first stop lever, and the forward opening resistance of the door body is improved by utilizing the mode that the first stop lever shields the front part of the door body, so that the aim of reinforcing the locking state of the door body is fulfilled, and the stress uniformity of the protective door compressed by the first reinforcing bolt and the second reinforcing bolt is improved by the crossed distribution of the first reinforcing bolt and the second reinforcing; the step facilitates the user to cross the threshold; the third rotating shaft is fixedly connected with the frame body through the fixing block, so that the firmness of the third rotating shaft is improved; the bolt is bound by the slot, and the bolt is tightly pressed on the upper part of the first stop lever, so that the aim of locking the first stop lever is fulfilled; the bolt is installed with the handle thread through a nut.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of a door frame according to the present invention;
FIG. 3 is a schematic view of a protective door according to the present invention;
FIG. 4 is a schematic view of a first reinforcement bolt of the present invention;
FIG. 5 is a schematic view of a second reinforcement pin according to the present invention;
fig. 6 is a schematic structural view of the locking body of the present invention.
In the figure: 1. a civil air defense door mechanism; 2. a door frame; 3. a protective door; 4. a first reinforcing plug; 5. a second reinforcing plug; 6. a locking body; 7. a frame body; 8. a first clamping block; 9. a first rotating shaft; 10. a first bearing housing; 11. a second rotating shaft; 12. a threshold; 13. a second bearing housing; 14. a step; 15. a second fixture block; 16. a fixed block; 17. a third fixture block; 18. a third rotating shaft; 19. a fourth fixture block; 20. a door body; 21. a slot; 22. a first thickening block; 23. a first bar; 24. cushion blocks; 25. a first connecting seat; 26. a first tension spring; 27. a second connecting seat; 28. a second thickening block; 29. a second bar; 30. a third connecting seat; 31. a second tension spring; 32. a fourth connecting seat; 33. a turntable; 34. a handle; 35. a nut; 36. a bolt; 37. and (4) connecting the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships that are relative to each other, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or components must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: a civil air defense door with a reinforced locking device comprises a civil air defense door mechanism 1, wherein the civil air defense door mechanism 1 comprises a door frame 2, a protective door 3, a first reinforcing bolt 4, a second reinforcing bolt 5 and a locking main body 6, the protective door 3 is rotatably arranged on the inner side of the door frame 2, the first reinforcing bolt 4 is rotatably arranged with the door frame 2, the second reinforcing bolt 5 is rotatably arranged with the door frame 2, and the locking main body 6 is fixedly arranged with the protective door 3; the doorframe 2 comprises a frame body 7, a first fixture block 8, a first rotating shaft 9, a first bearing seat 10, a second rotating shaft 11, a doorsill 12, a second bearing seat 13, a second fixture block 15, a third fixture block 17, a third rotating shaft 18 and a fourth fixture block 19, the rear end of a first clamping block 8 is fixedly connected with a frame body 7, the rear end of a first rotating shaft 9 is fixedly connected with the frame body 7, the rear end of a first bearing seat 10 is fixedly connected with the frame body 7, the rear end of a second rotating shaft 11 is fixedly connected with the frame body 7, the lower end of the frame body 7 is fixedly connected with the upper end of a threshold 12, the rear end of a second bearing seat 13 is fixedly connected with the threshold 12, the rear end of a second clamping block 15 is fixedly connected with the threshold 12, a third rotating shaft 18 is fixedly arranged at the inner end of the frame body 7, the rear end of a third clamping block 17 is fixedly connected with the frame body 7, and the rear end of a fourth clamping block 19 is fixedly connected with the frame body 7; the protective door 3 comprises a door body 20, and the side end of the door body 20 is rotatably arranged at the outer end of the third rotating shaft 18; the first reinforcing bolt 4 comprises a first stop lever 23, a first connecting seat 25, a first tension spring 26 and a second connecting seat 27, the upper part of the first stop lever 23 is rotatably installed at the outer end of the first rotating shaft 9, the rear wall of the first stop lever 23 is extruded with the door body 20 in a sliding manner, the first connecting seat 25 is rotatably installed at the front part of the upper end of the first stop lever 23, the upper end of the first tension spring 26 is fixedly connected with the lower end of the first connecting seat 25, the lower end of the first tension spring 26 is fixedly connected with the upper end of the second connecting seat 27, and the second connecting seat 27 is rotatably installed at the inner end of the first bearing seat 10; the second reinforcing bolt 5 comprises a second stop lever 29, a third connecting seat 30, a second tension spring 31 and a fourth connecting seat 32, the second stop lever 29 is in sliding contact with the door body 20 and the first stop lever 23, the lower part of the second stop lever 29 is rotatably installed at the outer end of the second rotating shaft 11, the second stop lever 29 is in clamping matching with the third clamping block 17 and the fourth clamping block 19, the first stop lever 23 is in clamping matching with the first clamping block 8 and the second clamping block 15, the third connecting seat 30 is rotatably installed at the front part of the lower end of the second stop lever 29, the upper end of the second tension spring 31 is fixedly connected to the lower end of the third connecting seat 30, the lower end of the second tension spring 31 is fixedly connected to the upper end of the fourth connecting seat 32, and the fourth connecting seat 32 is rotatably installed on the inner wall of the second bearing seat 13; the locking main body 6 comprises a rotary disc 33, a handle 34 and a bolt 36, the rotary disc 33 is fixedly connected with the bolt 36, the lower end of the handle 34 is fixedly arranged on the front wall of the door body 20, the bolt 36 is inserted and arranged on the inner side of the handle 34 in a threaded manner, the rear end of the bolt 36 is slidably inserted and arranged at the front end of the door body 20, and the lower end of the bolt 36 is movably supported at the upper end of the first stop lever 23; when a user needs to open the protective door 3, firstly, the rotary disc 33 is manually screwed, the bolt 36 is driven by the rotary disc 33 to spirally rotate forwards until the rear part of the bolt 36 enters the handle 34, then the lower part of the rotary disc 33 is pushed upwards, the resistance of the first stop lever 23 in upward pushing is reduced by using the first tension spring 26, so that the first stop lever 23 is conveniently pushed upwards manually until the first stop lever 23 is attached to the first fixture block 8, the first tension spring 26 is used for stabilizing the upward unfolding state of the first stop lever 23, then the upper part of the second stop lever 29 is pushed aside, and the second tension spring 31 is used for providing tension for the lower end of the second stop lever 29, so that the second stop lever 29 can keep the vertical state; the front part of the protective door 3 is not shielded by the first reinforcing bolt 4 and the second reinforcing bolt 5, and then the door body 20 is opened forwards; when the user needs to lock the protective door 3 again, the same principle is performed by reverse operation, the front side supporting force of the second stop lever 29 is improved by the mode that the second bearing seat 13 and the fourth clamping block 19 are clamped with the second stop lever 29, the front side of the door body 20 is shielded by the second stop lever 29, the resistance of the front side of the door body 20 is improved, the forward resistance of the first stop lever 23 is improved by the mode that the first clamping block 8 and the second clamping block 15 are clamped with the first stop lever 23, the forward opening resistance of the door body 20 is improved by the mode that the first stop lever 23 shields the front part of the door body 20, and therefore the purpose of reinforcing the locking state of the door body 20 is achieved, the stress uniformity of the first reinforcing bolt 4 and the second reinforcing bolt 5 for compressing the protective door 3 is improved by the crossed distribution of the first reinforcing bolt 4 and the second reinforcing bolt 5.
The door frame 2 further comprises a step 14, the step 14 is fixedly connected with the doorsill 12, and the lower end of the step 14 is fixedly installed through the ground; the step 14 facilitates the user to step over the threshold 12.
The door frame 2 further comprises a fixed block 16, the fixed block 16 is fixedly connected with the third rotating shaft 18, and the outer end of the fixed block 16 is fixedly connected with the frame body 7; the third rotating shaft 18 is fixedly connected with the frame body 7 through the fixing block 16, so that the firmness of the third rotating shaft 18 is improved.
The protective door 3 further comprises a slot 21, and a bolt 36 is slidably inserted and installed at the inner end of the slot 21; the bolt 36 is tied by the slot 21, and the bolt 36 is pressed on the upper part of the first stop lever 23, so as to achieve the purpose of locking the first stop lever 23.
The protective door 3 further comprises a first thickening block 22, the first thickening block 22 is fixedly connected with the door body 20 into a whole, and the first thickening block 22 is movably contacted with a first stop lever 23.
The first reinforcing bolt 4 further comprises a spacer 24, the spacer 24 is in sliding contact with the bolt 36, and the spacer 24 is fixedly connected with the first stop lever 23.
The first reinforcing bolt 4 further comprises a second thickened block 28, the second thickened block 28 is fixedly connected with the first stop lever 23, and the second thickened block 28 is in sliding contact with the door body 20.
The locking body 6 further comprises a nut 35, and the nut 35 is fixedly connected with the handle 34; the bolt 36 is threadedly mounted with the handle 34 by a nut 35.
The locking body 6 further comprises a connecting block 37, the lower end of the handle 34 is fixedly connected to the front end of the connecting block 37, and the connecting block 37 is fixedly connected with the door body 20.
The working principle is as follows: when a user needs to open the protective door 3, firstly, the rotary disc 33 is manually screwed, the bolt 36 is driven by the rotary disc 33 to spirally rotate forwards until the rear part of the bolt 36 enters the handle 34, then the lower part of the rotary disc 33 is pushed upwards, the resistance of the first stop lever 23 in upward pushing is reduced by using the first tension spring 26, so that the first stop lever 23 is conveniently pushed upwards manually until the first stop lever 23 is attached to the first fixture block 8, the first tension spring 26 is used for stabilizing the upward unfolding state of the first stop lever 23, then the upper part of the second stop lever 29 is pushed aside, and the second tension spring 31 is used for providing tension for the lower end of the second stop lever 29, so that the second stop lever 29 can keep the vertical state; the front part of the protective door 3 is not shielded by the first reinforcing bolt 4 and the second reinforcing bolt 5, and then the door body 20 is opened forwards; when a user needs to lock the protective door 3 again, the operation is reversed in the same manner, the front side supporting force of the second stop lever 29 is improved by utilizing the mode that the second bearing seat 13 and the fourth clamping block 19 are clamped with the second stop lever 29, the front side of the door body 20 is shielded by utilizing the second stop lever 29, the front side resistance of the door body 20 is improved, the forward resistance of the first stop lever 23 is improved by utilizing the mode that the first clamping block 8 and the second clamping block 15 are clamped with the first stop lever 23, and the forward opening resistance of the door body 20 is improved by utilizing the mode that the first stop lever 23 shields the front part of the door body 20, so that the locking state of the door body 20 is reinforced, and the stress uniformity of the first reinforcing bolt 4 and the second reinforcing bolt 5 for compressing the protective door 3 is improved by utilizing the crossed distribution of the first reinforcing bolt 4 and the second reinforcing bolt 5; the step 14 facilitates the user to step over the threshold 12; the firmness of the third rotating shaft 18 is improved by fixedly connecting the fixed block 16 and the frame body 7 together; the bolt 36 is tied by the slot 21, and the bolt 36 is pressed on the upper part of the first stop lever 23, so that the aim of locking the first stop lever 23 is fulfilled; the bolt 36 is threadedly mounted with the handle 34 by a nut 35.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a people's air defense door with reinforcement type locking device which characterized in that: the civil air defense door mechanism comprises a civil air defense door mechanism (1), wherein the civil air defense door mechanism (1) comprises a door frame (2), a protective door (3), a first reinforcing bolt (4), a second reinforcing bolt (5) and a locking main body (6), the protective door (3) is rotatably installed on the inner side of the door frame (2), the first reinforcing bolt (4) is rotatably installed with the door frame (2), the second reinforcing bolt (5) is rotatably installed with the door frame (2), and the locking main body (6) is fixedly installed with the protective door (3); the door frame (2) comprises a frame body (7), a first clamping block (8), a first rotating shaft (9), a first bearing seat (10), a second rotating shaft (11), a door sill (12), a second bearing seat (13), a second clamping block (15), a third clamping block (17), a third rotating shaft (18) and a fourth clamping block (19), wherein the rear end of the first clamping block (8) is fixedly connected with the frame body (7), the rear end of the first rotating shaft (9) is fixedly connected with the frame body (7), the rear end of the first bearing seat (10) is fixedly connected with the frame body (7), the rear end of the second rotating shaft (11) is fixedly connected with the frame body (7), the lower end of the frame body (7) is fixedly connected with the upper end of the door sill (12), the rear end of the second bearing seat (13) is fixedly connected with the door sill (12), and the rear end of the second clamping block (15) is fixedly connected with the door sill (12), the third rotating shaft (18) is fixedly arranged at the inner end of the frame body (7), the rear end of the third clamping block (17) is fixedly connected with the frame body (7), and the rear end of the fourth clamping block (19) is fixedly connected with the frame body (7); the protective door (3) comprises a door body (20), and the side end of the door body (20) is rotatably arranged at the outer end of the third rotating shaft (18); the first reinforcing bolt (4) comprises a first stop lever (23), a first connecting seat (25), a first tension spring (26) and a second connecting seat (27), the upper part of the first stop lever (23) is rotatably installed at the outer end of a first rotating shaft (9), the rear wall of the first stop lever (23) is extruded with the door body (20) in a sliding mode, the first connecting seat (25) is rotatably installed at the front part of the upper end of the first stop lever (23), the upper end of the first tension spring (26) is fixedly connected to the lower end of the first connecting seat (25), the lower end of the first tension spring (26) is fixedly connected to the upper end of the second connecting seat (27), and the second connecting seat (27) is rotatably installed at the inner end of the first bearing seat (10); the second reinforcing bolt (5) comprises a second stop lever (29), a third connecting seat (30), a second tension spring (31) and a fourth connecting seat (32), the second stop lever (29) is in sliding contact with the door body (20) and the first stop lever (23), the lower part of the second stop lever (29) is rotatably arranged at the outer end of the second rotating shaft (11), the second stop lever (29) is matched with the third clamping block (17) and the fourth clamping block (19) in a clamping way, the first stop lever (23) is matched with the first clamping block (8) and the second clamping block (15) in a clamping way, the third connecting seat (30) is rotatably arranged at the front part of the lower end of the second stop lever (29), the upper end of the second tension spring (31) is fixedly connected with the lower end of the third connecting seat (30), the lower end of the second tension spring (31) is fixedly connected with the upper end of a fourth connecting seat (32), the fourth connecting seat (32) is rotatably arranged on the inner wall of the second bearing seat (13); the locking main body (6) comprises a rotary disc (33), a handle (34) and a bolt (36), the rotary disc (33) is fixedly connected with the bolt (36), the lower end of the handle (34) is fixedly installed on the front wall of the door body (20), the bolt (36) is installed on the inner side of the handle (34) in a threaded insertion mode, the rear end of the bolt (36) is installed at the front end of the door body (20) in a sliding insertion mode, and the lower end of the bolt (36) is movably supported at the upper end of the first stop lever (23).
2. The personnel door with reinforced locking device of claim 1 wherein: the door frame (2) further comprises a step (14), the step (14) is fixedly connected with the doorsill (12), and the lower end of the step (14) is fixedly installed through the ground.
3. The personnel door with reinforced locking device of claim 1 wherein: the door frame (2) further comprises a fixing block (16), the fixing block (16) is fixedly connected with the third rotating shaft (18), and the outer end of the fixing block (16) is fixedly connected with the frame body (7).
4. The personnel door with reinforced locking device of claim 1 wherein: the protective door (3) further comprises a slot (21), and the bolt (36) is slidably inserted and installed at the inner end of the slot (21).
5. The personnel door with reinforced locking device of claim 1 wherein: the protective door (3) further comprises a first thickening block (22), the first thickening block (22) is fixedly connected with the door body (20) into a whole, and the first thickening block (22) is in movable contact with a first stop lever (23).
6. The personnel door with reinforced locking device of claim 1 wherein: the first reinforcing bolt (4) further comprises a cushion block (24), the cushion block (24) is in sliding contact with the bolt (36), and the cushion block (24) is fixedly connected with the first stop lever (23).
7. The personnel door with reinforced locking device of claim 1 wherein: the first reinforcing bolt (4) further comprises a second reinforcing block (28), the second reinforcing block (28) is fixedly connected with the first stop lever (23), and the second reinforcing block (28) is in sliding contact with the door body (20).
8. The personnel door with reinforced locking device of claim 1 wherein: the locking body (6) further comprises a nut (35), and the nut (35) is fixedly connected with the handle (34).
9. The personnel door with reinforced locking device of claim 1 wherein: the locking main body (6) further comprises a connecting block (37), the lower end of the handle (34) is fixedly connected to the front end of the connecting block (37), and the connecting block (37) is fixedly connected with the door body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104480.8A CN112302490B (en) | 2020-10-15 | 2020-10-15 | Civil air defense door with reinforced locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011104480.8A CN112302490B (en) | 2020-10-15 | 2020-10-15 | Civil air defense door with reinforced locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112302490A true CN112302490A (en) | 2021-02-02 |
| CN112302490B CN112302490B (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011104480.8A Active CN112302490B (en) | 2020-10-15 | 2020-10-15 | Civil air defense door with reinforced locking device |
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| Country | Link |
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| CN (1) | CN112302490B (en) |
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| DE202016101091U1 (en) * | 2016-03-01 | 2017-06-02 | Markus Heim | door lock |
| CN206617050U (en) * | 2017-03-27 | 2017-11-07 | 南京地下工程建筑设计院有限公司 | A kind of people's air defense hermatic door |
| CN109209185A (en) * | 2018-11-08 | 2019-01-15 | 余锦程 | A kind of civil air defense constructions and installations multifunctional containment protective door structure |
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| DE29717511U1 (en) * | 1997-10-01 | 1997-12-18 | Luther, Lothar, 37269 Eschwege | Device for securing a door |
| US20090013607A1 (en) * | 2007-07-09 | 2009-01-15 | Whitaker Malcolm A | Hurrican strut for double entrance doors |
| CN104120928A (en) * | 2014-08-11 | 2014-10-29 | 南京军理智能科技股份有限公司 | Civil air defense protective door locking device |
| DE202016101091U1 (en) * | 2016-03-01 | 2017-06-02 | Markus Heim | door lock |
| CN206617050U (en) * | 2017-03-27 | 2017-11-07 | 南京地下工程建筑设计院有限公司 | A kind of people's air defense hermatic door |
| CN109209185A (en) * | 2018-11-08 | 2019-01-15 | 余锦程 | A kind of civil air defense constructions and installations multifunctional containment protective door structure |
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| CN112302490B (en) | 2022-06-10 |
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