Civil air defense door for garage

Abstract

The utility model relates to the technical field of civil air defense doors, in particular to a civil air defense door for a garage, which comprises a frame body, door bodies are arranged in the frame body, the number of the door bodies is two, a second cavity is arranged in the frame body, a rotating column is rotatably connected in the second cavity, a shaft sleeve is sleeved on the outer wall of the circumference of the rotating column, and the shaft sleeve is sleeved on the outer wall of the circumference of the rotating column. The circumferential outer wall of the shaft sleeve is fixedly connected with a connecting frame, and the end, away from the circumferential outer wall of the shaft sleeve, of the connecting frame is fixedly connected to the outer wall of one side of the door body. The lubricating effect on the gear disc and the rack is achieved, it is guaranteed that the situation that the door body cannot be opened due to corrosion when being closed or opened by people is avoided, and the spiral blades fixed to the outer wall of the rotating rod can be driven to rotate in the rotating process of the rotating rod; and lubricating oil in the first cavity can be stirred and conveyed forwards through the spiral blades, and it is guaranteed that the lubricating oil can intensively flow into the first groove from the oil guide groove.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense doors, in particular to a civil air defense door used in a garage. Background Art

[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. There are distinct classifications of civil defense doors, including ordinary single-leaf and double-leaf protective closed doors and closed doors, single-leaf and double-leaf protective closed doors and closed doors with movable thresholds, and other civil defense equipment. The characteristics of this type of door are that the threshold is not installed in peacetime, the ground is flat, and it is convenient for people and vehicles to pass through. The threshold can be quickly installed in time of war to meet the requirements of protection and sealing functions, and quickly realize the conversion of peacetime and wartime functions. This type of door is suitable for the entrances and exits of civil defense projects such as underground shopping malls, hospitals, warehouses, underground parking garages, etc. that combine peacetime and wartime.

[0003] At present, the existing garage air-raid door is in an open or closed state for a long time, and the environment inside the garage is mostly humid, which will cause the gears and other parts inside the air-raid door to rust to a certain extent, so that it is easy to get stuck and unable to rotate when the air-raid door needs to be opened or closed in an emergency, which poses a certain safety hazard. Therefore, there is an urgent need for an air-raid door for garages to solve the above problems. Utility Model Content

[0004] Based on the deficiencies in the prior art mentioned in the above background technology, the utility model provides a human defense door for a garage.

[0005] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:

[0006] A human-defense door for a garage, comprising a frame, a door body is arranged inside the frame, the door body is in two groups, a second cavity is arranged inside the frame, a rotating column is rotatably connected inside the second cavity, a shaft sleeve is sleeved on the circumferential outer wall of the rotating column, a connecting frame is fixedly connected to the circumferential outer wall of the shaft sleeve, and one end of the connecting frame away from the circumferential outer wall of the shaft sleeve is fixedly connected to the outer wall of one side of the door body;

[0007] A first groove is provided inside the door body, a circumferential inner wall of a gear plate is provided inside the first groove and is fixedly connected to a rotating rod, one end of the rotating rod extends to the outside of the door body, a circumferential outer wall of the rotating rod is fixedly connected to a turning handle, a second limiting groove is provided inside the door body, a rack is meshed with the gear plate, and the rack is located inside the second limiting groove, a card slot is provided on one side of the door body, one end of the rack is inserted into the inside of the card slot, and a through groove is provided on one outer wall of the frame body;

[0008] A lubrication component is arranged inside the frame.

[0009] As a further solution of the utility model: a first limiting groove is opened inside the door body, the first limiting groove is connected to the second limiting groove, one end of the rack is fixedly connected to a limiting plate, and the limiting plate is located inside the first limiting groove.

[0010] As a further solution of the utility model: a slide groove is provided on the top inner wall of the first groove, a slider is slidably connected inside the slide groove, and the slider is fixedly connected to the rack.

[0011] As a further solution of the utility model: the lubrication assembly includes an oil filling hole opened on the top of the frame, a sealing plug is arranged inside the oil filling hole, a first cavity is arranged on the top of the frame, the oil filling hole is connected with the first cavity, an oil guide groove is opened inside the door body, and both ends of the oil guide groove are respectively connected with the first cavity and the first groove.

[0012] As a further solution of the utility model: a partition is fixedly connected to the interior of the first cavity, the partition and the first cavity form an installation cavity, a motor is arranged inside the installation cavity, the output end of the motor is fixedly connected to a rotating rod, one end of the rotating rod is fixedly connected to a threaded screw, the circumferential outer wall of the threaded screw is meshed with a first threaded sleeve, the bottom outer wall of the first threaded sleeve is fixedly connected to a support column, one end of the support column is fixedly connected to a sealing block, a movable groove is opened at the bottom of the first cavity, the movable groove is connected to the oil guide groove, a guide rod is fixedly connected to the interior of the first cavity, the circumferential outer wall of the guide rod is sleeved with a sliding sleeve, and the sliding sleeve is fixedly connected to the first threaded sleeve.

[0013] As a further solution of the utility model: a sealing groove is opened on an inner wall of one side of the movable groove, a sealing plate is arranged inside the sealing groove, and the sealing plate is fixedly connected to the sealing block.

[0014] As a further solution of the utility model: a spiral blade is fixedly connected to the circumferential outer wall of the rotating rod, and the spiral blade is located inside the first cavity.

[0015] After adopting the above structure, the utility model has the following advantages compared with the prior art:

[0016] In the utility model, a turning handle, a rack, a gear plate, a first limiting groove, a second limiting groove and a card slot are provided. When the staff needs to lock and close the civil air defense door, the turning handle can be turned. During the rotation of the turning handle, the turning rod can be driven to rotate. The rotation of the turning rod can drive the gear plate to rotate together. The gear plate and the rack are meshed with each other. Therefore, during the rotation of the gear plate, the rack can be moved inside the second limiting groove until the rack is inserted into the card slot opened on one side of the other door body. At this time, the locking work of the two groups of door bodies is realized, and the overall stability of the door body after closing is ensured. At the same time, the entire locking work is convenient for people to operate, so that people can quickly close and lock the door body, saving a lot of time when encountering unexpected disasters.

[0017] In the utility model, by providing a lubrication component and a spiral blade, a staff member can start the motor regularly, and the motor can drive the rotating rod and the threaded screw to rotate. During the rotation of the threaded screw, the two groups of first threaded sleeves meshed on its outer wall can be made to move toward each other. At this time, the first threaded sleeve can drive the sealing block below it to move inside the movable groove. When the sealing block slides over the top of the oil guide groove, the lubricating oil located inside the first cavity will flow into the first groove through the oil guide groove, thereby achieving the lubrication effect on the gear plate and the rack, ensuring that people will not rust and cannot open the door when closing or opening the door body, and during the rotation of the rotating rod, the spiral blade fixed on its outer wall can be driven to rotate, and the lubricating oil located inside the first cavity can be stirred and conveyed forward by the spiral blade, ensuring that the lubricating oil can be concentrated from the oil guide groove to the first groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall back structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the overall front structure of the utility model.

[0020] Figure 3 It is a schematic diagram of the overall half-section structure of the utility model.

[0021] Figure 4 For the utility model Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0022] Figure 5 It is a schematic diagram of the frame disassembly structure of the utility model.

[0023] In the figure: 1. frame; 2. sealing plug; 3. door body; 4. connecting frame; 5. through groove; 6. turning handle; 7. rotating column; 8. bushing; 9. motor; 10. oil filling hole; 11. first cavity; 12. oil guide groove; 13. first groove; 14. second cavity; 15. gear plate; 16. first limiting groove; 17. rack; 18. slide groove; 19. slider; 20. slot; 21. second limiting groove; 22. rotating rod; 23. limiting plate; 24. sleeve; 25. guide rod; 26. first threaded sleeve; 27. threaded screw; 28. sealing plate; 29. ​​sealing groove; 30. sealing block; 31. support column; 32. movable groove; 33. spiral blade. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 5 In an embodiment of the utility model, a human-defense door for a garage includes a frame 1, a door body 3 is arranged inside the frame 1, and the number of the door bodies 3 is two groups. A second cavity 14 is arranged inside the frame 1, and a rotating column 7 is rotatably connected inside the second cavity 14. The circumferential outer wall of the rotating column 7 is sleeved with a shaft sleeve 8, and the circumferential outer wall of the shaft sleeve 8 is fixedly connected with a connecting frame 4, and one end of the connecting frame 4 away from the circumferential outer wall of the shaft sleeve 8 is fixedly connected to the outer wall of one side of the door body 3;

[0026] A first groove 13 is provided inside the door body 3, and a rotating rod 22 is fixedly connected to the circumferential inner wall of a gear plate 15 provided inside the first groove 13, and one end of the rotating rod 22 extends to the outside of the door body 3, and a turning handle 6 is fixedly connected to the circumferential outer wall of the rotating rod 22. A second limiting groove 21 is provided inside the door body 3, and a rack 17 is meshed with the gear plate 15, and the rack 17 is located inside the second limiting groove 21. A card slot 20 is provided on one side of the other door body 3, and one end of the rack 17 is inserted into the inside of the card slot 20. A through groove 5 is provided on the outer wall of one side of the frame body 1;

[0027] A lubrication component is disposed inside the frame 1 .

[0028] Preferably, a first limiting groove 16 is opened inside the door body 3, and the first limiting groove 16 is connected to the second limiting groove 21. One end of the rack 17 is fixedly connected to a limiting plate 23. The limiting plate 23 is located inside the first limiting groove 16 and can limit the horizontal movement of the rack 17.

[0029] Preferably, a slide groove 18 is provided on the top inner wall of the first groove 13, and a slider 19 is slidably connected inside the slide groove 18. The slider 19 is fixedly connected to the rack 17, thereby ensuring the stability of the rack 17 during horizontal movement.

[0030] Preferably, the lubrication assembly includes an oil filling hole 10 opened at the top of the frame 1, a sealing plug 2 is arranged inside the oil filling hole 10, a first cavity 11 is arranged at the top of the frame 1, the oil filling hole 10 is connected with the first cavity 11, an oil guide groove 12 is opened inside the door body 3, and the two ends of the oil guide groove 12 are respectively connected with the first cavity 11 and the first groove 13, and the lubricating oil can be injected into the first cavity 11 through the oil filling hole 10, thereby realizing the storage of the lubricating oil and facilitating the subsequent oil supply work.

[0031] Preferably, a partition is fixedly connected to the interior of the first cavity 11, and the partition and the first cavity 11 form an installation cavity. A motor 9 is arranged inside the installation cavity, and a rotating rod is fixedly connected to the output end of the motor 9, and a threaded screw 27 is fixedly connected to one end of the rotating rod. The circumferential outer wall of the threaded screw 27 is meshed with a first threaded sleeve 26, and the bottom outer wall of the first threaded sleeve 26 is fixedly connected to a support column 31, and one end of the support column 31 is fixedly connected to a sealing block 30. A movable groove 32 is provided at the bottom of the first cavity 11, and the movable groove 32 is connected to the oil guide groove 12. A guide rod 25 is fixedly connected to the interior of the first cavity 11, and a sliding sleeve 24 is sleeved on the circumferential outer wall of the guide rod 25, and the sliding sleeve 24 is fixedly connected to the first threaded sleeve 26. The staff can start the motor 9 regularly, and the rotating rod and the threaded screw 27 can be driven to rotate by the motor 9. During the rotation of the threaded screw 27, the two groups of first threaded sleeves 26 meshed on its outer wall can move towards each other. At this time, the first threaded sleeve 26 can drive the sealing block 30 below it to move inside the movable groove 32. When the sealing block 30 slides over the top of the oil guide groove 12, the lubricating oil inside the first cavity 11 will flow into the first groove 13 through the oil guide groove 12, thereby achieving the lubrication effect on the gear plate 15 and the rack 17, ensuring that people will not rust and cannot open the door body 3 when closing or opening it, and during the rotation of the rotating rod, the spiral blade 33 fixed on its outer wall can be driven to rotate, and the lubricating oil inside the first cavity 11 can be stirred and transported forward by the spiral blade 33, ensuring that the lubricating oil can be concentrated from the oil guide groove 12 to the first groove 13.

[0032] Preferably, a sealing groove 29 is opened on the inner wall of one side of the movable groove 32, and a sealing plate 28 is arranged inside the sealing groove 29. The sealing plate 28 is fixedly connected to the sealing block 30. The sealing plate 28 can further improve the sealing performance of the oil guide groove 12 after the sealing block 30 is reset.

[0033] Preferably, a spiral blade 33 is fixedly connected to the circumferential outer wall of the rotating rod, and the spiral blade 33 is located inside the first cavity 11 .

[0034] Working principle: when the staff needs to lock and close the civil air defense door, they can turn the handle 6. During the rotation of the handle 6, the rotating rod 22 can be driven to rotate. The rotation of the rotating rod 22 can drive the gear plate 15 to rotate together. The gear plate 15 and the rack 17 are meshed with each other. Therefore, during the rotation of the gear plate 15, the rack 17 can be moved inside the second limit groove 21 until the rack 17 is inserted into the slot 20 opened on one side of the other door body 3. At this time, the locking work of the two groups of door bodies 3 is realized, ensuring the overall stability of the door body 3 after closing. At the same time, the entire locking work is convenient for people to operate, so that people can quickly close and lock the door body 3, saving a lot of time in the event of unexpected disasters. The staff can start the motor 9 regularly, and the motor 9 can drive the rotating rod and the threaded screw 27 to rotate. During the rotation of the threaded screw 27, the two groups of first threaded sleeves 26 meshed on its outer wall can move towards each other. At this time, the first threaded sleeve 26 can drive the sealing block 30 below it to move inside the movable groove 32. When the sealing block 30 slides over the top of the oil guide groove 12, the lubricating oil inside the first cavity 11 will flow into the first groove 13 through the oil guide groove 12, thereby achieving the lubrication effect on the gear plate 15 and the rack 17, ensuring that people will not rust and cannot open the door body 3 when closing or opening it, and during the rotation of the rotating rod, the spiral blade 33 fixed on its outer wall can be driven to rotate, and the lubricating oil inside the first cavity 11 can be stirred and conveyed forward by the spiral blade 33, ensuring that the lubricating oil can be concentrated from the oil guide groove 12 to the first groove 13.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A human-defense door for a garage, comprising a frame (1), characterized in that: The frame (1) is provided with a door body (3) inside, the door body (3) is provided in two groups, the frame (1) is provided with a second cavity (14), the inside of the second cavity (14) is rotatably connected with a rotating column (7), the circumferential outer wall of the rotating column (7) is sleeved with a shaft sleeve (8), the circumferential outer wall of the shaft sleeve (8) is fixedly connected with a connecting frame (4), and one end of the connecting frame (4) away from the circumferential outer wall of the shaft sleeve (8) is fixedly connected to the outer wall of one side of the door body (3); A first groove (13) is provided inside the door body (3), and a rotating rod (22) is fixedly connected to the circumferential inner wall of a gear plate (15) provided inside the first groove (13), and one end of the rotating rod (22) extends to the outside of the door body (3), and a turning handle (6) is fixedly connected to the circumferential outer wall of the rotating rod (22). A second limiting groove (21) is provided inside the door body (3), and the gear plate (15) is meshed with a rack (17), and the rack (17) is located inside the second limiting groove (21). A slot (20) is provided on one side of the door body (3), and one end of the rack (17) is inserted into the slot (20). A through groove (5) is provided on the outer wall of one side of the frame body (1); A lubrication assembly is provided inside the frame (1), and the lubrication assembly includes an oil filling hole (10) provided at the top of the frame (1), and a sealing plug (2) is provided inside the oil filling hole (10); a first cavity (11) is provided at the top of the frame (1), and the oil filling hole (10) is connected to the first cavity (11); an oil guide groove (12) is provided inside the door body (3), and the two ends of the oil guide groove (12) are respectively connected to the first cavity (11) and the first groove (13); a partition is fixedly connected inside the first cavity (11), and the partition and the first cavity (11) form an installation cavity; a motor (9) is provided inside the installation cavity, and the motor (9) ) is fixedly connected to an output end thereof with a rotating rod, one end of the rotating rod is fixedly connected to a threaded screw (27), a first threaded sleeve (26) is meshed with a circumferential outer wall of the threaded screw (27), a support column (31) is fixedly connected to a bottom outer wall of the first threaded sleeve (26), one end of the support column (31) is fixedly connected to a sealing block (30), a movable groove (32) is provided at the bottom of the first cavity (11), the movable groove (32) is connected to the oil guide groove (12), a guide rod (25) is fixedly connected to the inside of the first cavity (11), a sliding sleeve (24) is sleeved on the circumferential outer wall of the guide rod (25), and the sliding sleeve (24) is fixedly connected to the first threaded sleeve (26).

2. The civil air defense door for a garage according to claim 1, characterized in that: A first limiting groove (16) is provided inside the door body (3), the first limiting groove (16) is connected to the second limiting groove (21), one end of the rack (17) is fixedly connected to a limiting plate (23), and the limiting plate (23) is located inside the first limiting groove (16).

3. The civil defense door for a garage according to claim 2, characterized in that: A sliding groove (18) is provided on the top inner wall of the first groove (13), and a sliding block (19) is slidably connected inside the sliding groove (18), and the sliding block (19) is fixedly connected to the rack (17).

4. The civil defense door for a garage according to claim 3, characterized in that: A sealing groove (29) is provided on an inner wall of one side of the movable groove (32), a sealing plate (28) is provided inside the sealing groove (29), and the sealing plate (28) is fixedly connected to the sealing block (30).

5. The civil defense door for a garage according to claim 4, characterized in that: A spiral blade (33) is fixedly connected to the circumferential outer wall of the rotating rod, and the spiral blade (33) is located inside the first cavity (11).

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