CN211081574U - Movable doorsill type civil air defense door - Google Patents
Movable doorsill type civil air defense door Download PDFInfo
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- CN211081574U CN211081574U CN201921502362.5U CN201921502362U CN211081574U CN 211081574 U CN211081574 U CN 211081574U CN 201921502362 U CN201921502362 U CN 201921502362U CN 211081574 U CN211081574 U CN 211081574U
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- door body
- threshold
- doorsill
- door
- movable
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Abstract
The utility model relates to the technical field of protective equipment, in particular to a movable doorsill type civil air defense door, wherein two sides of a movable doorsill are provided with doorsill rotating shafts; the threshold rotating shaft is rotatably connected with the inner side wall of the turnover groove; torsional springs are sleeved on the shaft bodies of the threshold rotating shafts; one end of the torsion spring is fixedly connected with the threshold rotating shaft; the other end of the torsion spring is fixedly connected with the inner side wall of the turnover groove; guide rod fixing blocks are arranged at the two ends of the guide rod; the guide rod fixing block is fixedly connected with the door body; sleeves are arranged on the rod bodies of the guide rods; the sleeve is connected with the guide rod in a sliding manner; a stop lever is fixed between the two sleeves; the bottom of the door body is provided with a pressing device. When the utility model is used, the structure is simple, the failure rate is low and the operation is convenient for the part of locking threshold.
Description
Technical Field
The utility model relates to a protective apparatus technical field, in particular to threshold formula people's air defense door alive.
Background
The civil air defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable door threshold single-leaf and double-leaf protective airtight doors and the like.
The live doorsill is characterized in that the doorsill is not installed at ordinary times, the ground is smooth, personnel and vehicles can conveniently pass through the live doorsill, and the doorsill is installed rapidly in the process of imminent war so as to meet the requirements of protection and sealing functions and rapidly realize the conversion of the function of the live doorsill in the process of imminent war. The door is suitable for the entrance and exit of civil air defense engineering of underground markets, hospitals, warehouses, underground parking garages and the like which are combined by peacetime and war.
The general movable doorsill is connected to a civil air defense door through bolts, and the movable doorsill is detached and installed to the ground in the process of imminent war so as to seal a gap between the civil air defense door and the ground. When the door is closed, a complex transmission part is needed for locking, the structure is complex, the failure rate is high, and the door is easy to block.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a threshold formula people's air defense door that lives of simple structure, low fault rate.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model relates to a movable threshold type civil air defense door, which comprises a door frame, a door body and a door body rotating shaft; the door body is fixedly provided with two connecting plates along the height direction; the door body rotating shaft is fixedly connected with the door frame; the connecting plate is rotationally connected with the shaft body of the door body rotating shaft; a gap is formed between the door body and the ground; the upper surface of the ground is provided with a turnover groove; a movable threshold is arranged in the turnover groove; threshold rotating shafts are arranged on two sides of the movable threshold; the threshold rotating shaft is rotatably connected with the inner side wall of the turnover groove; torsion springs are sleeved on the shaft bodies of the threshold rotating shafts; one end of the torsion spring is fixedly connected with the threshold rotating shaft; the other end of the torsion spring is fixedly connected with the inner side wall of the turnover groove; a convex plate is arranged at one end of the movable doorsill, which is far away from the rotating shaft of the doorsill; two guide rods which are parallel to each other are arranged on the inner side surface of the door body; guide rod fixing blocks are arranged at the two ends of the guide rod; the guide rod fixing block is fixedly connected with the door body; sleeves are arranged on the rod bodies of the guide rods; the sleeve is connected with the guide rod in a sliding manner; a stop lever is fixed between the two sleeves; and a pressing device is arranged at the bottom of the door body.
Further, a hook is hinged to the door body; the hook is arranged between the two guide rods.
Further, the pressing device is a pulley.
After the structure is adopted, the utility model discloses beneficial effect does: the utility model relates to a movable threshold type civil air defense door, a door body is fixedly provided with two connecting plates along the height direction; the door body rotating shaft is fixedly connected with the door frame; the connecting plate is rotationally connected with the shaft body of the door body rotating shaft; a gap is arranged between the door body and the ground; the upper surface of the ground is provided with a turnover groove; a movable threshold is arranged in the turnover groove; threshold rotating shafts are arranged on two sides of the movable threshold; the threshold rotating shaft is rotatably connected with the inner side wall of the turnover groove; torsional springs are sleeved on the shaft bodies of the threshold rotating shafts; one end of the torsion spring is fixedly connected with the threshold rotating shaft; the other end of the torsion spring is fixedly connected with the inner side wall of the turnover groove; a convex plate is arranged at one end of the movable doorsill, which is far away from the rotating shaft of the doorsill; two guide rods which are parallel to each other are arranged on the inner side surface of the door body; guide rod fixing blocks are arranged at the two ends of the guide rod; the guide rod fixing block is fixedly connected with the door body; sleeves are arranged on the rod bodies of the guide rods; the sleeve is connected with the guide rod in a sliding manner; a stop lever is fixed between the two sleeves; the bottom of the door body is provided with a pressing device. When the utility model is used, the torsional spring is a movable threshold; an upturning force is provided, and the pressing device is always pressed on the movable doorsill when the door body is in an opened state, so that the movable doorsill is embedded into the turnover groove and fills the turnover groove, and pedestrians or vehicles can conveniently enter and exit; one end of the movable doorsill close to the door body rotating shaft is provided with an extension section; the extension section has the function that even if the door body is opened at a larger angle, the pressing device can still be arranged on the movable doorsill, so that the movable doorsill is pressed downwards by the pressing device once the door body is opened; when the door body is closed on the door frame, the door body is fixed on the door frame through the lock body on the door body, at the moment, the door body and the pressing device are staggered with the movable doorsill, the movable doorsill is turned upwards by the torsion spring to be attached to the door body, then the stop lever slides downwards to a position opposite to the convex plate, the convex plate is pressed on the door body for positioning, and the movable doorsill can not be turned over; the sealing of the gap is realized; in the structure, the part for locking the movable doorsill has simple structure, low failure rate and convenient operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a left side view of FIG. 1;
description of reference numerals:
1. a door frame; 2. a door body; 201. a connecting plate; 3. a guide bar; 301. a guide rod fixing block;
4. hooking; 5. a sleeve; 6. a gear lever; 7. a ground surface; 701. a turnover groove; 8. a torsion spring;
9. a live threshold; 901. a convex plate; 902. an extension section; 10. a threshold shaft; 11. a door body rotating shaft;
12. a pressing device; A. a gap.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 2, the movable threshold type civil air defense door of the utility model comprises a door frame 1, a door body 2 and a door body rotating shaft 11; the door body 2 is fixedly provided with two connecting plates 201 along the height direction; the door body rotating shaft 11 is fixedly connected with the door frame 1; the connecting plate 201 is rotatably connected with the shaft body of the door body rotating shaft 11; a gap A is formed between the door body 2 and the ground 7; the upper surface of the ground 7 is provided with a turnover groove 701; a movable threshold 9 is arranged in the overturning groove 701; the door frame 1 is fixed on the ground 7, and the movable doorsill 9 is a panel; both sides of the movable doorsill 9 are provided with doorsill rotating shafts 10; the threshold rotating shaft 10 is rotatably connected with the inner side wall of the turnover groove 701; the shaft bodies of the threshold rotating shafts 10 are all sleeved with torsion springs 8; one end of the torsion spring 8 is fixedly connected with the threshold rotating shaft 10; the other end of the torsion spring 8 is fixedly connected with the inner side wall of the turnover groove 701; a convex plate 901 is arranged at one end of the movable threshold 9, which is far away from the threshold rotating shaft 10; two guide rods 3 which are parallel to each other are arranged on the inner side surface of the door body 2; guide rod fixing blocks 301 are arranged at two ends of the guide rod 3; the guide rod fixing block 301 is fixedly connected with the door body 2; sleeves 5 are arranged on the rod bodies of the guide rods 3; the sleeve 5 is connected with the guide rod 3 in a sliding manner; a stop lever 6 is fixed between the two sleeves 5; the bottom of the door body 2 is provided with a pressing device 12; the torsion spring 8 is a movable threshold 9; an upturning force is provided, and the pressing device 12 is always pressed on the movable doorsill 9 when the door body 2 is in an opened state, so that the movable doorsill 9 is embedded into the turnover groove 701 and the turnover groove 701 is filled, and pedestrians or vehicles can conveniently get in and out; an extension section 902 is arranged at one end of the movable threshold 9 close to the door body rotating shaft 11; the extension section 902 has the function that even if the door body 2 is opened at a larger angle, the pressing device 12 can still be on the movable doorsill 9, so that once the door body 2 is opened, the movable doorsill 9 is pressed downwards by the pressing device 12; after the door body 2 is closed on the door frame 1, the door body 2 is fixed on the door frame 1 through a lock body (not shown in the figure) on the door body 2, at the moment, the door body 2 and the pressing device 12 are staggered with the movable door threshold 9, the movable door threshold 9 is turned upwards by the torsion spring 8 to be tightly attached to the door body 2, then the stop lever 6 slides downwards to a position opposite to the convex plate 901, the convex plate 901 is pressed on the door body 2 for positioning, and the movable door threshold 9 cannot be turned over; sealing of the gap A is realized; in the structure, the part for locking the movable threshold 9 has simple structure, low failure rate and convenient operation.
As a preferred mode of the utility model, the door body 2 is hinged with a hook 4; the hook 4 is arranged between the two guide rods 3; the hook 4 is used for hanging the gear lever 6, preventing the gear lever from sliding downwards under the action of gravity and preventing the door body 2 from interfering with the movable threshold 9 when being closed.
As a preferred mode of the present invention, the pressing device 12 is a pulley; the pulley is used for reducing the friction force between the movable doorsills 9, so that the door body 2 is opened more easily.
When the utility model is used, the torsional spring is a movable threshold; an upturning force is provided, and the pressing device is always pressed on the movable doorsill when the door body is in an opened state, so that the movable doorsill is embedded into the turnover groove and fills the turnover groove, and pedestrians or vehicles can conveniently enter and exit; one end of the movable doorsill close to the door body rotating shaft is provided with an extension section; the extension section has the function that even if the door body is opened at a larger angle, the pressing device can still be arranged on the movable doorsill, so that the movable doorsill is pressed downwards by the pressing device once the door body is opened; the hook is used for hanging the stop lever, preventing the stop lever from sliding downwards under the action of gravity and preventing the door body from interfering with the movable doorsill in the closing process; when the door body is closed on the door frame, the door body is fixed on the door frame through the lock body on the door body, at the moment, the door body and the pressing device are staggered with the movable doorsill, the movable doorsill is turned upwards by the torsion spring to be attached to the door body, then the stop lever slides downwards to a position opposite to the convex plate, the convex plate is pressed on the door body for positioning, and the movable doorsill can not be turned over; the sealing of the gap is realized; in the structure, the part for locking the movable doorsill has simple structure, low failure rate and convenient operation.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (3)
1. A movable threshold type civil air defense door comprises a door frame (1), a door body (2) and a door body rotating shaft (11); the door body (2) is fixedly provided with two connecting plates (201) along the height direction; the door body rotating shaft (11) is fixedly connected with the door frame (1); the connecting plate (201) is rotatably connected with the shaft body of the door body rotating shaft (11); a gap (A) is arranged between the door body (2) and the ground (7); the method is characterized in that: the upper surface of the ground (7) is provided with a turnover groove (701); a movable doorsill (9) is arranged in the overturning groove (701); both sides of the movable doorsill (9) are provided with doorsill rotating shafts (10); the threshold rotating shaft (10) is rotatably connected with the inner side wall of the turnover groove (701); the shaft bodies of the threshold rotating shafts (10) are all sleeved with torsion springs (8); one end of the torsion spring (8) is fixedly connected with the threshold rotating shaft (10); the other end of the torsion spring (8) is fixedly connected with the inner side wall of the turnover groove (701); a convex plate (901) is arranged at one end of the movable doorsill (9) far away from the doorsill rotating shaft (10); two guide rods (3) which are parallel to each other are arranged on the inner side surface of the door body (2); guide rod fixing blocks (301) are arranged at two ends of the guide rod (3); the guide rod fixing block (301) is fixedly connected with the door body (2); sleeves (5) are arranged on the rod bodies of the guide rods (3); the sleeve (5) is connected with the guide rod (3) in a sliding manner; a stop lever (6) is fixed between the two sleeves (5); and a pressing device (12) is arranged at the bottom of the door body (2).
2. The people's air defense door of the threshold formula that lives of claim 1, characterized in that: the door body (2) is hinged with a hook (4); the hook (4) is arranged between the two guide rods (3).
3. The people's air defense door of the threshold formula that lives of claim 1, characterized in that: the pressing device (12) is a pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921502362.5U CN211081574U (en) | 2019-09-10 | 2019-09-10 | Movable doorsill type civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921502362.5U CN211081574U (en) | 2019-09-10 | 2019-09-10 | Movable doorsill type civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211081574U true CN211081574U (en) | 2020-07-24 |
Family
ID=71631003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921502362.5U Active CN211081574U (en) | 2019-09-10 | 2019-09-10 | Movable doorsill type civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211081574U (en) |
-
2019
- 2019-09-10 CN CN201921502362.5U patent/CN211081574U/en active Active
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