Civil air defense slideway type sealing door
By adopting a square inflatable cushion and compressed air cylinder system in the anti-slip sealing door, the existing sliding-style civil defense door has been solved and an effective gas isolation effect is achieved.
Patent Information
- Application Number
- CN202420632345.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-29
AI Technical Summary
The existing slide-type civil defense doors have poor sealing properties and cannot effectively isolate toxic gases, resulting in gases that may leak from the connections of the slides.
A human anti-slip sealed door is designed, using a square inflatable cushion and compressed air cylinder system. The gas in the compressed air cylinder is filled into the square inflatable cushion through the intake pipe, making it tightly fit into the door frame, thereby achieving a sealing effect.
It effectively avoids gas leakage, improves sealing, and ensures effective isolation when toxic gases exist.
Smart Images

Figure CN222595901U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a slideway type sealed door, in particular to a civil air defense slideway type sealed door, belonging to the technical field of civil air defense doors. Background Art
[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. They are clearly classified into ordinary single-leaf and double-leaf protective closed doors and closed doors, movable threshold single-leaf and double-leaf protective closed doors and closed doors, and other civil defense equipment. Civil defense doors are used by the government to mobilize and organize the masses, take anti-air raid, disaster relief measures, implement rescue operations, and reduce the harm of disasters. Civil defense doors are one of the equipment used by the government to mobilize and organize the masses, take anti-air raid, disaster relief measures, implement rescue operations, and prevent and reduce the harm of disasters.
[0003] There are also slide-type civil air defense doors on the market, which are opened or closed by means of a slide. This type of civil air defense door has certain disadvantages: poor sealing. For example, if there are some toxic gases, the gas may leak from the connection of the slide, and the gas cannot be isolated. Therefore, an improved civil air defense slide-type sealed door is developed to solve the above-mentioned defects. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] The purpose of the present utility model is to provide a civil air defense sliding sealed door in order to solve the above-mentioned problem, so as to solve the problem that there are also sliding civil air defense doors in the prior art and on the market. The sliding civil air defense doors are opened or closed by means of a slide, and this type of civil air defense door has certain disadvantages: poor sealing. For example, if there are some toxic gases, the gas may leak from the connection of the slide, and the gas cannot be isolated.
[0006] (II) Technical solution
[0007] The utility model is realized through the following technical scheme: a civil air-defense slide-type sealed door, comprising a door frame and a civil air-defense door, a movable assembly is arranged between the door frame and the civil air-defense door, a square inflatable cushion is installed on the rear side of the civil air-defense door, the square inflatable cushion is in contact with the door frame, two mounting cylinders are fixedly connected inside the civil air-defense door, compressed air cylinders are arranged inside the two mounting cylinders, the two compressed air cylinders are fixedly connected to the civil air-defense door, the outsides of the two compressed air cylinders are fixedly connected with air intake pipes, one end of the two air intake pipes passes through the inner sides of the two mounting cylinders respectively and is fixedly connected to the two mounting cylinders, and one end of the two air intake pipes is It passes through the inner side of the civil defense door and is fixedly connected to the square inflatable cushion, a return spring is fixedly connected to the inside of the compressed air cylinder, a pressure plate is provided on the top of the compressed air cylinder, and the pressure plate is in contact with the compressed air cylinder, a U-shaped rod is provided on the front side of the civil defense door, both ends of the U-shaped rod pass through the front side of the civil defense door and extend to the inside of the civil defense door, the U-shaped rod is slidingly connected to the civil defense door, both ends of the U-shaped rod are fixedly connected to two pressure plates, a threaded rod is threadedly connected to the inner side of the U-shaped rod, the threaded rod is rotatably connected to the front side of the civil defense door, a rotating assembly is provided on the outer side of the threaded rod, and the setting of two T-shaped rods serves as a sliding support for the door frame.
[0008] Preferably, the movable assembly includes two T-shaped rods, the two T-shaped rods are fixedly connected to the front side of the door frame, the tops of the two T-shaped rods are provided with elongated grooves, the outer sides of the two T-shaped rods are provided with screw rods, one end of the two screw rods respectively passes through the two T-shaped rods and is rotatably connected to the two T-shaped rods, and the two screw rods are respectively arranged inside the two elongated grooves.
[0009] Preferably, the moving component also includes two T-slots, and the two T-slots are both opened on the rear side of the civil defense door. The two T-rods are respectively arranged inside the two T-slots and in sliding contact with the civil defense door. Fixed blocks are provided inside the two T-slots, and the two fixed blocks are fixedly connected to the civil defense door. The two fixed blocks are respectively connected to the outer sides of the two screw rods through nut pairs, and the two fixed blocks are respectively in sliding contact with the two T-rods.
[0010] Preferably, the other ends of the two screw rods are each provided with a forward and reverse motor, the two forward and reverse motors are both fixedly connected to the door frame, and the output ends of the two forward and reverse motors are respectively fixedly connected to the two screw rods.
[0011] Preferably, a telescopic rod is sleeved inside the reset spring, and both ends of the telescopic rod are fixedly connected to the compressed air cylinder. The provision of the telescopic rod can prevent the reset spring from being compressed and deformed.
[0012] Preferably, the rotating assembly includes a first bevel gear, which is fixedly connected to the outside of the threaded rod, and the outside of the first bevel gear is meshed with a second bevel gear, and the top of the second bevel gear is fixedly connected to a rotating rod, and the outside of the rotating rod is rotatably connected to a fixed plate, and the fixed plate is fixedly connected to the front side of the civil defense door. The setting of the fixed plate serves as a rotational support for the rotating rod.
[0013] Preferably, a worm wheel is fixedly connected to the top of the rotating rod, a worm is meshingly connected to the outer side of the worm wheel, the worm is rotatably connected to the front side of the civil defense door, and one end of the worm is fixedly connected to a turning handle.
[0014] The utility model provides a human-proof slide-type sealed door, which has the following beneficial effects:
[0015] 1. The anti-slip sealed door has a threaded rod and a U-shaped rod threadedly connected, and the U-shaped rod drives two pressure plates to move into the two mounting cylinders respectively. The two pressure plates squeeze the two compressed gas cylinders. At this time, the return springs arranged inside the compressed gas cylinders are elastically compressed, and the gas inside the compressed gas cylinders can be discharged into the square inflatable cushion through the air inlet pipe, and the square inflatable cushion is inflated so that the square inflatable cushion can fit tightly on the surface of the door frame, thereby achieving a sealing effect. This structure can avoid gas leakage.
[0016] 2. The civil defense slide-type sealed door starts two forward and reverse motors. There is no specific limitation on the models of the two forward and reverse motors, which shall be subject to the adapted equipment. The output ends of the two forward and reverse motors simultaneously drive the two screw rods to rotate. The two screw rods are respectively connected to the two fixed blocks through nut pairs. The two fixed blocks slide inside the two long grooves respectively. The door frame can be moved by driving the civil defense door through the two fixed blocks. This structure can realize the opening and closing of the door frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the civil air defense door of the utility model;
[0019] Figure 3 For this utility model Figure 1 A magnified view of the structure of part A;
[0020] Figure 4 For this utility model Figure 2 A magnified view of the structure of part B;
[0021] Figure 5 This is a schematic diagram of the internal structure of the civil air defense door of the utility model;
[0022] Figure 6This is a schematic diagram of the internal structure of the compressed air cylinder of the utility model;
[0023] Figure 7 This is a schematic diagram of the T-shaped rod structure of the utility model.
[0024]
Main component symbol description
[0025] 1. Door frame; 2. Civil air defense door; 3. T-shaped rod; 4. T-shaped slot; 5. Square inflatable cushion; 6. Air inlet pipe; 7. Mounting tube; 8. Pressure plate; 9. Compressed air cylinder; 10. Return spring; 11. U-shaped rod; 12. Threaded rod; 13. First bevel gear; 14. Second bevel gear; 15. Rotating rod; 16. Worm wheel; 17. Worm; 18. Fixed block; 19. Long slot; 20. Screw. DETAILED DESCRIPTION
[0026] The utility model embodiment provides a human-proof slide-type sealed door.
[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , including a door frame 1 and a civil air defense door 2, a movable component is provided between the door frame 1 and the civil air defense door 2, a square inflatable cushion 5 is installed on the rear side of the civil air defense door 2, the square inflatable cushion 5 is in contact with the door frame 1, and two mounting tubes 7 are fixedly connected inside the civil air defense door 2, and compressed air cylinders 9 are provided inside the two mounting tubes 7, and the two compressed air cylinders 9 are fixedly connected to the civil air defense door 2, and the outsides of the two compressed air cylinders 9 are fixedly connected with air intake pipes 6, and one end of the two air intake pipes 6 passes through the inner sides of the two mounting tubes 7 and is fixedly connected to the two mounting tubes 7, and one end of the two air intake pipes 6 passes through the inner sides of the civil air defense door 2 and is fixedly connected to the square inflatable cushion 5, and the compressed air A reset spring 10 is fixedly connected to the inside of the cylinder 9, and a telescopic rod is sleeved inside the reset spring 10. Both ends of the telescopic rod are fixedly connected to the compressed gas cylinder 9. A pressure plate 8 is provided on the top of the compressed gas cylinder 9, and the pressure plate 8 is in contact with the compressed gas cylinder 9. A U-shaped rod 11 is provided on the front side of the civil defense door 2. Both ends of the U-shaped rod 11 pass through the front side of the civil defense door 2 and extend to the inside of the civil defense door 2. The U-shaped rod 11 is slidingly connected to the civil defense door 2, and both ends of the U-shaped rod 11 are fixedly connected to the two pressure plates 8. A threaded rod 12 is threadedly connected to the inner side of the U-shaped rod 11, and the threaded rod 12 is rotatably connected to the front side of the civil defense door 2. A rotating component is provided on the outer side of the threaded rod 12.
[0028] The rotating assembly includes a first bevel gear 13, which is fixedly connected to the outer side of the threaded rod 12, and the outer side of the first bevel gear 13 is meshedly connected to the second bevel gear 14, the top of the second bevel gear 14 is fixedly connected to a rotating rod 15, the outer side of the rotating rod 15 is rotatably connected to a fixed plate, the fixed plate is fixedly connected to the front side of the civil defense door 2, the top of the rotating rod 15 is fixedly connected to a worm gear 16, the outer side of the worm gear 16 is meshedly connected to a worm 17, the worm 17 is rotatably connected to the front side of the civil defense door 2, and one end of the worm 17 is fixedly connected to a turning handle.
[0029] Specifically, by setting the moving component (the moving component will be further explained later), the civil defense door 2 can close the door frame 1. After the civil defense door 2 is closed, the handle is turned forward, the worm 17 is meshed with the worm wheel 16, and the worm wheel 16 drives the second bevel gear 14 to rotate through the rotating rod 15. The second bevel gear 14 is meshed with the first bevel gear 13, and the first bevel gear 13 drives the threaded rod 12 to rotate. The threaded rod 12 is threadedly connected to the U-shaped rod 11, and the U-shaped rod 11 drives the two pressure plates 8 to move into the two mounting tubes 7 respectively. The two pressure plates 8 squeeze the two compressed air cylinders 9. At this time, the reset spring 10 arranged inside the compressed air cylinder 9 is elastically compressed, and the gas inside the compressed air cylinder 9 can be discharged into the square inflatable cushion 5 through the air inlet pipe 6, and the square inflatable cushion 5 is inflated, so that the square inflatable cushion 5 can fit tightly on the surface of the door frame 1, thereby achieving a sealing effect. This structure can avoid gas leakage.
[0030] See also Figure 1 , Figure 2 , Figure 4 and Figure 7 The moving component includes two T-shaped rods 3, which are fixedly connected to the front side of the door frame 1. The tops of the two T-shaped rods 3 are provided with elongated grooves 19. The outer sides of the two T-shaped rods 3 are provided with screw rods 20. One end of the two screw rods 20 passes through the two T-shaped rods 3 and is rotatably connected to the two T-shaped rods 3. The two screw rods 20 are respectively arranged inside the two elongated grooves 19. The other ends of the two screw rods 20 are provided with forward and reverse motors. The two forward and reverse motors are fixedly connected to the door frame 1. The output ends of the two forward and reverse motors are respectively fixedly connected to the two screw rods 20. The moving component also includes two T-shaped slots 4. The two T-shaped slots 4 are opened on the rear side of the civil defense door 2. The two T-shaped rods 3 are respectively arranged inside the two T-shaped slots 4 and are in sliding contact with the civil defense door 2. Fixed blocks 18 are provided inside the two T-shaped slots 4. The two fixed blocks 18 are fixedly connected to the civil defense door 2. The two fixed blocks 18 are respectively connected to the outer sides of the two screw rods 20 through nut pairs, and the two fixed blocks 18 are respectively in sliding contact with the two T-shaped rods 3.
[0031] Specifically, start the two forward and reverse motors. There is no specific limitation on the models of the two forward and reverse motors, which shall be based on the adapted equipment. The output ends of the two forward and reverse motors simultaneously drive the two screw rods 20 to rotate. The two screw rods 20 are respectively connected to the two fixed blocks 18 through nut pairs. The two fixed blocks 18 slide inside the two long grooves 19 respectively. The door frame 1 can be moved by driving the civil defense door 2 through the two fixed blocks 18. This structure can realize the opening and closing of the door frame 1.
[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A civil airtight slide-type sealed door, comprising a door frame (1) and a civil airtight door (2), characterized in that: A movable assembly is provided between the door frame (1) and the civil air defense door (2); a square inflatable cushion (5) is installed on the rear side of the civil air defense door (2); the square inflatable cushion (5) is in contact with the door frame (1); two mounting tubes (7) are fixedly connected inside the civil air defense door (2); compressed air cylinders (9) are provided inside the two mounting tubes (7); the two compressed air cylinders (9) are fixedly connected to the civil air defense door (2); the outsides of the two compressed air cylinders (9) are fixedly connected with air intake pipes (6); one end of the two air intake pipes (6) passes through the inner sides of the two mounting tubes (7) and is fixedly connected to the two mounting tubes (7); one end of the two air intake pipes (6) passes through the inner sides of the civil air defense door (2) and is fixedly connected to the square inflatable cushion (5); ) are fixedly connected, a return spring (10) is fixedly connected inside the compressed air cylinder (9), a pressure plate (8) is provided on the top of the compressed air cylinder (9), and the pressure plate (8) is in contact with the compressed air cylinder (9), a U-shaped rod (11) is provided on the front side of the civil air defense door (2), both ends of the U-shaped rod (11) pass through the front side of the civil air defense door (2) and extend to the inside of the civil air defense door (2), the U-shaped rod (11) is slidably connected to the civil air defense door (2), both ends of the U-shaped rod (11) are fixedly connected to the two pressure plates (8), a threaded rod (12) is threadedly connected to the inner side of the U-shaped rod (11), the threaded rod (12) is rotatably connected to the front side of the civil air defense door (2), and a rotating component is provided on the outer side of the threaded rod (12).
2. The anti-slip sealed door according to claim 1, characterized in that: The moving assembly comprises two T-shaped rods (3), the two T-shaped rods (3) are fixedly connected to the front side of the door frame (1), the tops of the two T-shaped rods (3) are provided with elongated grooves (19), the outer sides of the two T-shaped rods (3) are provided with screw rods (20), one end of the two screw rods (20) respectively passes through the two T-shaped rods (3) and is rotatably connected to the two T-shaped rods (3), and the two screw rods (20) are respectively arranged inside the two elongated grooves (19).
3. The anti-slip sealed door according to claim 2, characterized in that: The moving assembly also includes two T-slots (4), the two T-slots (4) are both opened on the rear side of the civil air defense door (2), the two T-rods (3) are respectively arranged inside the two T-slots (4) and are in sliding contact with the civil air defense door (2), the two T-slots (4) are each provided with a fixing block (18), the two fixing blocks (18) are both fixedly connected to the civil air defense door (2), the two fixing blocks (18) are respectively connected to the outer sides of the two screw rods (20) through a nut pair, and the two fixing blocks (18) are respectively in sliding contact with the two T-rods (3).
4. The anti-slip sealed door according to claim 2, characterized in that: The other ends of the two screw rods (20) are each provided with a forward and reverse motor, the two forward and reverse motors are both fixedly connected to the door frame (1), and the output ends of the two forward and reverse motors are respectively fixedly connected to the two screw rods (20).
5. The anti-slip sealed door according to claim 1, characterized in that: A telescopic rod is sleeved inside the reset spring (10), and both ends of the telescopic rod are fixedly connected to the compressed air cylinder (9).
6. The anti-slip sealed door according to claim 1, characterized in that: The rotating assembly comprises a first bevel gear (13), the first bevel gear (13) is fixedly connected to the outer side of the threaded rod (12), the outer side of the first bevel gear (13) is meshingly connected to a second bevel gear (14), the top of the second bevel gear (14) is fixedly connected to a rotating rod (15), the outer side of the rotating rod (15) is rotatably connected to a fixed plate, and the fixed plate is fixedly connected to the front side of the civil defense door (2).
7. The anti-slip sealed door according to claim 6, characterized in that: The top end of the rotating rod (15) is fixedly connected to a worm wheel (16), the outer side of the worm wheel (16) is meshingly connected to a worm (17), the worm (17) is rotatably connected to the front side of the civil air defense door (2), and one end of the worm (17) is fixedly connected to a turning handle.