CN219654567U - Civil air defense underground door - Google Patents
Civil air defense underground door Download PDFInfo
- Publication number
- CN219654567U CN219654567U CN202321009463.5U CN202321009463U CN219654567U CN 219654567 U CN219654567 U CN 219654567U CN 202321009463 U CN202321009463 U CN 202321009463U CN 219654567 U CN219654567 U CN 219654567U
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- wall
- door
- door body
- air defense
- fixedly connected
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- 230000007123 defense Effects 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a civil air defense underground door, which relates to the technical field of civil air defense engineering and comprises a door frame, wherein a door body is rotatably connected to the outer wall of one side of the door frame, a locking box is fixedly connected to the outer wall of one side of the door body, rectangular openings are formed in the outer walls of two sides of the locking box, limiting plates are slidably connected to the inner walls of the two rectangular openings, and sliding plates are fixedly connected to one ends of the two limiting plates. According to the utility model, the locking box is arranged on the door body, the two limiting plates and the limiting block are conveniently and directly driven to move in the locking box, the door body is conveniently locked through the arrangement of the limiting plates and the limiting block, the gear and the rack are arranged in the locking box, the two limiting plates are conveniently and directly regulated to move, the two limiting blocks are conveniently and directly driven to move through the cooperation between the rotating disc and the connecting plate, and the situation that the electric driving mode is easy to fail is avoided in a manual opening mode.
Description
Technical Field
The utility model relates to the technical field of civil air defense engineering, in particular to a civil air defense underground door.
Background
The civil air defense door is a door at the entrance and the exit of civil protection engineering, has more vivid classification, and comprises a common single-leaf and double-leaf protection airtight door and airtight door, a movable threshold single-leaf and double-leaf protection airtight door, airtight door and other various civil air defense devices.
Through retrieving, chinese patent application number is CN 202021534376.8's patent discloses a people's air defense door for air defense basement, which comprises a doorframe, the fixed surface of door frame is connected with movable frame and fixed slot, wear to be equipped with the dwang through the bearing in the movable frame, the fixed cover of fixed surface fixedly connected with of dwang, the fixed surface of cover is through connecting plate fixedly connected with dodge gate, the fixed surface of dodge gate is connected with fixed block and motor case, fixedly connected with slide bar between the fixed block.
The air-defense basement people air-defense door device in the patent has the following defects: the above-mentioned patent drives the gear through rotating the motor and rotates to drive the fixed plate and lock the door body, but regard as the driving piece through electrical components such as motor and extremely easily break down, in case the motor breaks down or the condition of breaking down, the air defense door can't open.
Disclosure of Invention
In order to solve the problem that the existing civil air defense door is inconvenient to open, the utility model provides the civil air defense underground door.
The utility model provides a civil air defense underground door, which comprises a door frame, wherein a door body is rotationally connected to one side outer wall of the door frame, a locking box is fixedly connected to one side outer wall of the door body, rectangular openings are formed in two side outer walls of the locking box, limiting plates are slidably connected to inner walls of the two rectangular openings, sliding plates are fixedly connected to one ends of the two limiting plates, racks are fixedly connected to one side outer wall of the two sliding plates, a gear is rotationally connected to one side inner wall of the locking box, the gear is meshed with the two racks, openings are formed in two side outer walls of the door body, and limiting blocks are slidably connected to inner walls of the two openings.
Through adopting above-mentioned structure, through setting up the locking box on the door body, two limiting plates that can adjust that set up on the locking box, the setting up through the limiting plate is convenient locks the door body, the locking of the supplementary door body of setting up of stopper.
Optionally: the two side inner walls of the locking box are fixedly connected with two sliding rods, the outer walls of the four sliding rods are sleeved with springs, and the two limiting plates are respectively and slidably connected to the outer walls of the four sliding rods.
Through adopting above-mentioned structure, the spring setting on the slide bar is convenient to directly drive two limiting plates and removes.
Optionally: the outer wall of one side of the locking box is rotationally connected with a hand wheel, and a transmission shaft of the hand wheel is connected to the gear.
Through adopting above-mentioned structure, the setting of hand wheel is convenient directly to take the gear to rotate.
Optionally: the inner wall fixedly connected with four installation poles of the door body, and two stopper sliding connection respectively are on the outer wall of four installation poles.
Through adopting above-mentioned structure, the convenient removal orbit that limits the stopper of setting up through the installation pole.
Optionally: the inner wall of the door body is rotationally connected with a rotating disc, the outer wall of the rotating disc is rotationally connected with connecting plates, and one ends of the two connecting plates are rotationally connected to the two limiting blocks.
Through adopting above-mentioned structure, the cooperation between rolling disc and the connecting plate conveniently drives two stopper removal.
Optionally: one end of the rotating disc transmission shaft is connected to the gear, limiting grooves are formed in the inner wall of the top of the door frame and the inner wall of the bottom of the door frame, and the specifications of the limiting grooves are matched with those of the limiting blocks.
Through adopting above-mentioned structure, gear and rolling disc are coaxial, make things convenient for gear and rolling disc coaxial rotation.
Optionally: two limit seats are fixedly connected to the outer wall of one side of the door frame, limit openings are formed in the outer wall of one side of each of the two limit seats, and the specification of each limit opening is matched with that of each limit plate.
Through adopting above-mentioned structure, cooperation between spacing seat and the limiting plate is convenient to lock the door body.
Optionally: the outer wall of one side of the door body is fixedly connected with two handles, one end of the rotating shaft of the rotating disc is sleeved with a spiral spring, and the spiral spring is fixedly connected to the inner wall of the door body.
By adopting the structure, the scroll spring is arranged to facilitate the auxiliary rotating disc to restore to the original position.
In summary, the beneficial effects of the utility model are as follows:
according to the utility model, the locking box is arranged on the door body, the two limiting plates and the limiting block are conveniently and directly driven to move in the locking box, the door body is conveniently locked through the arrangement of the limiting plates and the limiting block, the gear and the rack are arranged in the locking box, the two limiting plates are conveniently and directly regulated to move, the two limiting blocks are conveniently and directly driven to move through the cooperation between the rotating disc and the connecting plate, and the situation that the electric driving mode is easy to fail is avoided in a manual opening mode.
Drawings
FIG. 1 is a schematic overall view of the present utility model;
FIG. 2 is a schematic view of a door of the present utility model;
FIG. 3 is a schematic view of a locking cassette of the present utility model;
FIG. 4 is a schematic cross-sectional view of a door of the present utility model.
Reference numerals illustrate: 1. a door frame; 2. a door body; 3. locking the box; 4. a hand wheel; 5. a handle; 6. a limit seat; 7. a limiting plate; 8. a limiting block; 9. a slide bar; 10. a spring; 11. a sliding plate; 12. a rack; 13. a gear; 14. a mounting rod; 15. a rotating disc; 16. and (5) connecting a plate.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
Referring to fig. 1-3, a people's air defense underground door, including door frame 1, one side outer wall of door frame 1 rotates and is connected with door body 2, one side outer wall fixedly connected with locking box 3 of door body 2, rectangular mouthful has all been seted up to the both sides outer wall of locking box 3, and the equal sliding connection of inner wall of two rectangular mouthfuls has limiting plate 7, conveniently lock door body 2 through two adjustable limiting plate 7 that set up in locking box 3, the equal fixedly connected with sliding plate 11 of one end of two limiting plates 7, the equal fixedly connected with rack 12 of one side outer wall of two sliding plates 11, one side inner wall rotation of locking box 3 is connected with gear 13, and gear 13 and two rack 12 intermesh, through the cooperation between gear 13 and the rack 12, the convenience is directly driven two limiting plate 7 removal through gear 13's rotation, the opening has all been seted up to the both sides outer wall of door body 2, and the equal sliding connection of two open-ended inner wall has stopper 8, the setting of stopper 8 is convenient locks auxiliary door body 2.
Referring to fig. 3, two slide bars 9 are fixedly connected to the inner walls of two sides of the locking box 3, springs 10 are sleeved on the outer walls of the four slide bars 9, two limiting plates 7 are respectively and slidably connected to the outer walls of the four slide bars 9, the limiting plates 7 are conveniently and directly driven to extend through the arrangement of the springs 10 on the slide bars 9, a hand wheel 4 is rotatably connected to the outer wall of one side of the locking box 3, a transmission shaft of the hand wheel 4 is connected to a gear 13, and the gear 13 is conveniently and directly driven to rotate through the arrangement of the hand wheel 4.
Referring to fig. 3 and 4, four installation bars 14 are fixedly connected to the inner wall of the door body 2, two limiting blocks 8 are respectively and slidably connected to the outer walls of the four installation bars 14, the inner wall of the door body 2 is rotationally connected with a rotating disc 15, the outer walls of the rotating disc 15 are rotationally connected with connecting plates 16, one ends of the two connecting plates 16 are rotationally connected to the two limiting blocks 8, the setting of the installation bars 14 directly limits the moving track of the limiting blocks 8, the connecting plates 16 are connected with the limiting blocks 8 and the rotating disc 15, and the limiting blocks 8 are conveniently and directly driven to move through the rotation of the rotating disc 15.
Referring to fig. 3 and 4, one end of the transmission shaft of the rotating disc 15 is fixedly connected to the gear 13, the inner wall of the top and the inner wall of the bottom of the door frame 1 are provided with limit grooves, the specification of the limit grooves is matched with that of the limit block 8, and the rotating disc 15 and the gear 13 are coaxial, so that the rotating disc 15 is driven to rotate when the gear 13 rotates.
Referring to fig. 1 and 2, two spacing seats 6 of a side outer wall fixedly connected with of door frame 1, and the spacing mouth has all been seted up to a side outer wall of two spacing seats 6, the specification phase-match of spacing mouth and limiting plate 7, two handles 5 of a side outer wall fixedly connected with of door body 2, the spiral spring has been cup jointed to the one end of rolling disc 15 axis of rotation, spiral spring fixed connection is on the inner wall of door body 2, through the cooperation between spacing seat 6 and the limiting plate 7, the convenience locks door body 2, the spiral spring that sets up on the rolling disc 15 is convenient directly to drive rolling disc 15 and resumes the normal position.
The implementation principle of the utility model is as follows: when the door body 2 is required to be opened, the hand wheel 4 is rotated firstly, the gear 13 is directly driven to rotate when the hand wheel 4 rotates, the two racks 12 are directly driven to move in opposite directions or in opposite directions when the gear 13 rotates, when the two racks 12 move in opposite directions, the two limiting plates 7 are directly pulled to be retracted into the locking box 3, the springs 10 on the four sliding rods 9 can be compressed when the limiting plates 7 are retracted into the locking box 3, the limiting plates 7 are pulled out of the limiting seats 6, the gear 13 and the rotating disc 15 are coaxial, so that the two limiting blocks 8 are directly pulled into the door body 2 through the connecting plates 16 when the rotating disc 15 rotates, and the door body 2 is opened through the handles 5.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a people's air defense underground door, includes door frame (1), its characterized in that: one side outer wall rotation of door frame (1) is connected with door body (2), one side outer wall fixedly connected with locking box (3) of door body (2), rectangular mouthful have all been seted up to the both sides outer wall of locking box (3), and the equal sliding connection of inner wall of two rectangular mouthfuls limiting plate (7), two the equal fixedly connected with sliding plate (11) of one end of limiting plate (7), two the equal fixedly connected with rack (12) of one side outer wall of sliding plate (11), one side inner wall rotation of locking box (3) is connected with gear (13), and gear (13) and two rack (12) intermeshing, the opening has all been seted up to the both sides outer wall of door body (2), and the equal sliding connection of two open-ended inner walls has stopper (8).
2. A civil air defense underground door according to claim 1 wherein: two slide bars (9) are fixedly connected to the inner walls of the two sides of the locking box (3), springs (10) are sleeved on the outer walls of the four slide bars (9), and the two limiting plates (7) are respectively and slidably connected to the outer walls of the four slide bars (9).
3. A civil air defense underground door according to claim 1 wherein: the outer wall of one side of the locking box (3) is rotationally connected with a hand wheel (4), and a transmission shaft of the hand wheel (4) is connected to a gear (13).
4. A civil air defense underground door according to claim 1 wherein: the inner wall of the door body (2) is fixedly connected with four mounting rods (14), and the two limiting blocks (8) are respectively and slidably connected to the outer walls of the four mounting rods (14).
5. A civil air defense underground door according to claim 4 wherein: the inner wall of the door body (2) is rotationally connected with a rotating disc (15), the outer walls of the rotating disc (15) are rotationally connected with connecting plates (16), and one ends of the two connecting plates (16) are rotationally connected to the two limiting blocks (8).
6. A civil air defense underground door according to claim 5 wherein: one end of a transmission shaft of the rotating disc (15) is connected to the gear (13), limit grooves are formed in the inner wall of the top of the door frame (1) and the inner wall of the bottom of the door frame, and the specifications of the limit grooves are matched with those of the limit blocks (8).
7. A civil air defense underground door according to claim 1 wherein: two limit seats (6) are fixedly connected to the outer wall of one side of the door frame (1), limit openings are formed in the outer wall of one side of each of the two limit seats (6), and the specification of each limit opening is matched with that of each limit plate (7).
8. A civil air defense underground door according to claim 5 wherein: two handles (5) are fixedly connected to the outer wall of one side of the door body (2), a spiral spring is sleeved at one end of the rotating shaft of the rotating disc (15), and the spiral spring is fixedly connected to the inner wall of the door body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321009463.5U CN219654567U (en) | 2023-04-28 | 2023-04-28 | Civil air defense underground door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321009463.5U CN219654567U (en) | 2023-04-28 | 2023-04-28 | Civil air defense underground door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654567U true CN219654567U (en) | 2023-09-08 |
Family
ID=87859043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321009463.5U Active CN219654567U (en) | 2023-04-28 | 2023-04-28 | Civil air defense underground door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654567U (en) |
-
2023
- 2023-04-28 CN CN202321009463.5U patent/CN219654567U/en active Active
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