Multifunctional civil defense protective door

Abstract

The utility model discloses a multifunctional civil defense protective door which comprises a mounting frame and a protective door body capable of being opened or closed on the mounting frame, the protective door body is rotationally connected with the mounting frame through a driving assembly, a water retaining device capable of retaining water in advance is arranged on one side of the driving assembly, and a supporting assembly for preventing the protective door body from deforming in the open state is arranged in the protective door body. The impact-resistant assembly capable of improving the impact resistance is arranged in the portion, opposite to the driving assembly, of the mounting frame, the water retaining device is arranged, a baffle is driven to ascend through transmission between a gear and a synchronous belt wheel, and therefore water flow is blocked, and the protective door is easier to close. By arranging the supporting assembly, the protective door can be supported when the protective door is in an open state, and the sleeve can be inserted into the mounting frame to lock the protective door when the protective door is in a closed state; and by arranging the anti-impact assembly, the electric telescopic rod is used for driving the guide sleeve to be inserted into the protective door, and therefore the anti-impact performance of the protective door is improved.

Description

Technical Field

[0001] The utility model relates to a protective door, in particular to a multifunctional human air defense protective door. Background Art

[0002] Civil defense protection doors are the doors at the entrances and exits of people's defense projects. They are used for air defense in wartime and can play a protective role in peacetime. They have good sealing properties and certain fire and water-proof functions. They can effectively block harmful substances such as radiation and poison gas from entering the room.

[0003] During use, when encountering extreme weather, such as floods or heavy rains, the civil air defense protection door needs to be closed in time. However, due to the rapid water flow, the water flow may block the closing of the protection door. The existing civil air defense protection door is difficult to close in this case; and the existing civil air defense protection doors are relatively heavy, and are generally movably connected to the installation frame through one side of the door. When the door is open for a long time, it is easy for the door to tilt to one side. The tilted protection door is not easy to close and affects the sealing of the protection door when closed; at the same time, the impact resistance of the civil air defense protection door is required to be high during use, while the existing civil air defense protection door has poor impact resistance at the closing point with the installation frame and is easily damaged. Utility Model Content

[0004] The purpose of the utility model is to provide a multifunctional civil defense door to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A multifunctional civil air defense door comprises a mounting frame and a protective door which can be opened or closed on the mounting frame, wherein the protective door is rotatably connected to the mounting frame via a driving assembly, a water retaining device which can pre-retain water is provided on one side of the driving assembly, a supporting assembly which can prevent the protective door from deforming in an open state is provided in the protective door, and an anti-impact assembly which can improve the anti-impact performance is provided in the mounting frame opposite to the driving assembly.

[0007] As a further solution of the utility model: a first mounting groove is provided on a vertical side wall of the mounting frame, the driving assembly includes a first motor, a first rotating shaft and a connecting block, the first motor is fixedly connected to the bottom wall of the first mounting groove, the output end of the first motor is fixedly connected to the first rotating shaft, the other end of the first rotating shaft is rotatably connected to the first mounting groove, a plurality of connecting blocks are fixedly connected to the first rotating shaft at equal distances, and the plurality of connecting blocks are fixedly connected to the protective door.

[0008] As a further scheme of the utility model: a second mounting groove is provided in the bottom wall of the mounting frame, the water retaining device includes a first gear, a second gear, a second rotating shaft, a first synchronous pulley, a third rotating shaft, a second synchronous pulley, a synchronous belt, and a baffle, the first gear is fixedly connected to the first rotating shaft, a second gear is provided on one side of the first gear, the second gear is meshed with the first gear, the second gear is fixedly connected in the second gear, the lower end of the second rotating shaft is rotatably connected to the second mounting groove, the first synchronous pulley is fixedly connected to the second rotating shaft, a third rotating shaft is provided opposite to the other side of the second rotating shaft, a second synchronous pulley is fixedly connected to the third rotating shaft opposite to the second mounting groove, a synchronous belt is sleeved on the first synchronous pulley and the second synchronous pulley, external threads are provided on the second rotating shaft and the third rotating shaft, a baffle is provided on the second rotating shaft and the third rotating shaft, the baffle is slidably connected to the second mounting groove, a threaded hole is provided in the baffle opposite to the second rotating shaft and the third rotating shaft, and the second rotating shaft and the third rotating shaft are threadedly connected to the baffle.

[0009] As a further solution of the utility model: a third mounting groove is arranged in the protective door, two guide rails are arranged opposite to each other on two side walls of the third mounting groove, a first socket is arranged on the lower wall of the mounting frame, the supporting assembly includes a second motor, a screw rod, a sleeve and a slider, the second motor is fixedly connected to the top wall of the third mounting groove, the output end of the second motor is fixedly connected to the screw rod, a sleeve is arranged outside the screw rod, an internal thread is arranged inside the sleeve, the sleeve is threadedly connected to the screw rod, two sliders are fixedly connected opposite to each other outside the sleeve, the slider is slidably connected to the guide rail, and the sleeve can be inserted into the first socket.

[0010] As a further solution of the utility model: a fourth mounting groove is arranged on the side wall opposite to the first mounting groove, the impact-resistant assembly includes an electric telescopic rod and a guide sleeve, a plurality of electric telescopic rods are fixedly connected to the inner wall of the fourth mounting groove, a guide sleeve is fixedly connected to the front end of the electric telescopic rod, a second socket is arranged at a position opposite to the protective door and the electric telescopic rod, and the electric telescopic rod and the guide sleeve can be inserted into the second socket.

[0011] As a further solution of the utility model: a sealing layer is fixedly connected to the inner wall of the installation frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: a multifunctional civil air defense protection door is provided with a water retaining device, and the transmission between the gear and the synchronous pulley is used to drive the baffle to rise, thereby blocking the water flow and making it easier to close the protection door; by providing a support assembly, the cooperation between the screw rod and the sleeve can be used to support the protection door when the protection door is in the open state to prevent the protection door from tilting and deforming, and when the protection door is in the closed state, the sleeve can be inserted into the installation frame to lock the protection door; by providing an anti-impact assembly, the electric telescopic rod is used to drive the guide sleeve to be inserted into the protection door, thereby improving the impact resistance of the protection door. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The figure is a structural diagram of a multifunctional civil air defense door.

[0014] Figure 2 It is a cross-sectional view of a multifunctional civil air defense door along the AA direction.

[0015] Figure 3 It is a cross-sectional view of a multifunctional civil air defense door along the BB direction.

[0016] Figure 4 This is an enlarged view of point A in a multifunctional civil air defense door.

[0017] Figure 5 This is a left view of a multifunctional civil air defense door with the protective door in the open state.

[0018] Figure 6 This is an enlarged view of point B in a multifunctional civil air defense door.

[0019] In the figure: 1. mounting frame; 11. first mounting slot; 12. second mounting slot; 13. fourth mounting slot; 14. first plug hole; 2. protective door; 21. third mounting slot; 211. guide rail; 22. second plug hole; 3. drive assembly; 31. first motor; 32. first rotating shaft; 33. connecting block; 4. water retaining device; 41. first gear; 42. second gear; 43. second rotating shaft; 44. first synchronous pulley; 45. third rotating shaft; 46. second synchronous pulley; 47. synchronous belt; 48. baffle; 5. support assembly; 51. second motor; 52. screw rod; 53. sleeve; 54. slider; 6. impact resistant assembly; 61. electric telescopic rod; 62. guide sleeve; 7. sealing layer. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 6In the embodiment of the utility model, a multifunctional civil air defense door comprises a mounting frame 1 and a protection door 2 which can be opened or closed on the mounting frame 1. The protection door 2 is rotatably connected to the mounting frame 1 through a driving assembly 3. A water blocking device 4 which can block water in advance is provided on one side of the driving assembly 3. A support assembly 5 is provided inside the protection door 2 to prevent the door from deforming in the open state. An impact-resistant assembly 6 which can improve the impact resistance is provided inside the mounting frame 1 opposite to the driving assembly 3. In order to increase the sealing performance of the civil air defense door, a sealing layer 7 is fixedly connected to the inner wall of the mounting frame 1.

[0022] A first mounting groove 11 is provided on a vertical side wall of the mounting frame 1. The driving assembly 3 includes a first motor 31, a first rotating shaft 32 and a connecting block 33. The first motor 31 is fixedly connected to the bottom wall of the first mounting groove 11. The output end of the first motor 31 is fixedly connected to the first rotating shaft 32. The other end of the first rotating shaft 32 is rotatably connected to the first mounting groove 11. A plurality of connecting blocks 33 are fixedly connected to the first rotating shaft 32 at equal distances. The plurality of connecting blocks 33 are fixedly connected to the protective door 2. When the protective door 2 needs to be opened or closed, the first motor 31 is started, the first motor 31 drives the first rotating shaft 32 to rotate, the first rotating shaft 32 drives the connecting block 33 to rotate, and the connecting block 33 drives the protective door 2 to rotate, thereby realizing the opening and closing of the protective door 2.

[0023] When encountering extreme weather, such as floods or heavy rains, it is necessary to close the civil air defense protection door in time. However, due to the rapid water flow, the water flow may block the protection door from closing. Therefore, the utility model is provided with a water retaining device 4 that can block water in advance. A second mounting groove 12 is provided in the bottom wall of the mounting frame 1. The water retaining device 4 includes a first gear 41, a second gear 42, a second rotating shaft 43, a first synchronous pulley 44, a third rotating shaft 45, a second synchronous pulley 46, a synchronous belt 47, and a baffle 48. The first gear 41 is fixedly connected to the first rotating shaft 32. A second gear 42 is provided on one side of the first gear 41. The second gear 42 is meshed with the first gear 41. The second gear 42 is fixedly connected to the second gear 42. The rotating shaft 43, the lower end of the second rotating shaft 43 is rotatably connected to the second mounting groove 12, the first synchronous pulley 44 is fixedly connected to the second rotating shaft 43, and the third rotating shaft 45 is relatively provided with a third rotating shaft 45 on the other side of the second rotating shaft 43, and the second synchronous pulley 46 is relatively fixedly connected to the third rotating shaft 45, and a synchronous belt 47 is sleeved on the first synchronous pulley 44 and the second synchronous pulley 46, the second rotating shaft 43 and the third rotating shaft 45 are provided with external threads, and the second rotating shaft 43 and the third rotating shaft 45 are provided with a baffle 48, the baffle 48 is slidably connected to the second mounting groove 12, and a threaded hole 49 is provided in the baffle 48 at a position opposite to the second rotating shaft 43 and the third rotating shaft 45, and the second rotating shaft 43 and the third rotating shaft 45 are threadedly connected to the baffle 48. When the protective door is closed, the first rotating shaft 32 drives the first gear 41 to rotate, the first gear 41 drives the second gear 42 to rotate, the second gear 42 drives the second rotating shaft 43 to rotate, the second rotating shaft 43 drives the first synchronous pulley 44 to rotate, the first synchronous pulley 44 drives the synchronous belt 47 to rotate, the synchronous belt 47 drives the second synchronous pulley 46 to rotate, the second synchronous pulley 46 drives the third rotating shaft 45 to rotate, the second rotating shaft 43 and the third rotating shaft 45 rotate, driving the baffle 48 to move upward and rise, thereby blocking the water flow.

[0024] Existing civil air defense doors are relatively heavy, and are generally movably connected to the mounting frame through one side of the door. When in the open state for a long time, the door is prone to tilt to one side. The tilted protective door is not easy to close, and it affects the sealing of the protective door when closed. In order to prevent the protective door from deforming, the utility model is provided with a support assembly 5 for supporting the protective door. A third mounting groove 21 is provided in the protective door 2, and two guide rails 211 are oppositely provided on the two side walls of the third mounting groove 21. The support assembly 5 includes a second motor 51, a screw rod 52, a sleeve 53 and a slider 54. The second motor 51 is fixedly connected to the top wall of the third mounting groove 21, and the output end of the second motor 51 is fixedly connected to the screw rod 52, and the outer sleeve of the screw rod 52 is provided with a sleeve 53, and the sleeve 53 is provided with an internal thread. The sleeve 53 is threadedly connected to the screw rod 52, and two sliders 54 are fixedly connected to the outside of the sleeve 53, and the slider 54 is slidably connected to the guide rail 211. When the protective door 2 is in the open state, such as Figure 5As shown, the second motor 51 is started, the second motor 51 drives the screw rod 52 to rotate, the screw rod 52 drives the sleeve 53 to move downward, the sleeve 53 contacts the ground to support the protective door 2, and reduces the possibility of the protective door tilting to one side, wherein the cooperation of the slider 54 and the guide rail 211 makes the movement of the sleeve 53 smoother. At the same time, when the protective door 2 is closed, the support assembly 5 can be started to drive the sleeve 53 to descend, and the first plug hole 14 is provided on the lower wall of the installation frame 1, and the sleeve 53 can be inserted into the first plug hole 14, so as to lock the protective door 2.

[0025] In actual use, the impact resistance of the civil air defense door is required to be relatively high. The existing civil air defense door has the worst impact resistance at the closed position and is most easily damaged. The utility model is provided with an impact resistance component 6. A fourth mounting groove 13 is provided on the side wall opposite to the first mounting groove 11. The impact resistance component 6 includes an electric telescopic rod 61 and a guide sleeve 62. A plurality of electric telescopic rods 61 are fixedly connected to the inner wall of the fourth mounting groove 13. A guide sleeve 62 is fixedly connected to the front end of the electric telescopic rod 61. A second plug hole 22 is provided at the position opposite to the electric telescopic rod 61 of the protective door 2. The electric telescopic rod 61 and the guide sleeve 62 can be inserted into the second plug hole 22. The impact resistance component 6 is provided at the closed position of the protective door 2 and the mounting frame 1. When the protective door 2 is closed, the electric telescopic rod 61 is started, and the electric telescopic rod 61 drives the guide sleeve 62 to enter the second plug hole 22. The guide sleeve 62 can increase the radial strength of the electric telescopic rod 61 and improve the impact resistance of the protective door 2.

[0026] The working principle of the utility model is: when it is necessary to close the civil air defense protection door, start the first motor 31, the first motor 31 drives the first rotating shaft 32 to rotate, the first rotating shaft 32 drives the connecting block 33 to rotate, and the connecting block 33 drives the protection door 2 to rotate, thereby realizing the opening and closing of the protection door 2. When closing the protection door, the first rotating shaft 32 drives the first gear 41 to rotate, the first gear 41 drives the second gear 42 to rotate, the second gear 42 drives the second rotating shaft 43 to rotate, the second rotating shaft 43 drives the first synchronous pulley 44 to rotate, the first synchronous pulley 44 drives the synchronous belt 47 to rotate, the synchronous belt 47 drives the second synchronous pulley 46 to rotate, the second synchronous pulley 46 drives the third rotating shaft 45 to rotate, the second rotating shaft 43 and the first synchronous pulley 44 drive ... second synchronous belt pulley 46 drives the third rotating shaft 45 to rotate, the second rotating shaft 43 and the first synchronous pulley 44 drive the synchronous belt 47 to rotate, the second synchronous belt pulley 46 drives the third rotating shaft 45 to rotate, the second rotating shaft 43 and the first synchronous belt pulley 44 drive the first synchronous belt pulley 44 drive the first synchronous belt pulley 44 drive the first synchronous belt pulley 44 drive the first synchronous belt pulley 44 drive the first synchronous belt pulley 44 drive the first The three-shaft 45 rotates, driving the baffle 48 to move upward and rise, thereby blocking the water flow. When the protective door 2 is closed, the support assembly 5 is started to drive the sleeve 53 to descend, and the sleeve 53 can be inserted into the first socket 14, thereby locking the protective door 2. Then the anti-impact assembly 6 is started, and the electric telescopic rod 61 drives the guide sleeve 62 to enter the second socket 22, thereby improving the impact resistance of the civil air defense protective door. When the protective door 2 is in the open state, the second motor 51 of the support assembly 5 is started, and the second motor 51 drives the screw rod 52 to rotate, and the screw rod 52 drives the sleeve 53 to move downward, and the sleeve 53 contacts the ground to support the protective door 2, thereby reducing the possibility of the protective door tilting to one side and increasing the service life of the device.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multifunctional civil air defense door, comprising a mounting frame (1) and a protective door (2) that can be opened or closed on the mounting frame (1), characterized in that: The protective door (2) is rotatably connected to the installation frame (1) via a driving assembly (3); a water blocking device (4) capable of pre-blocking water is provided on one side of the driving assembly (3); a support assembly (5) for preventing the protective door (2) from deforming in an open state is provided inside the protective door (2); and an impact-resistant assembly (6) capable of improving impact resistance is provided inside the installation frame (1) opposite to the driving assembly (3).

2. A multifunctional civil defense door according to claim 1, characterized in that: A first mounting groove (11) is provided on a vertical side wall of the mounting frame (1); the driving assembly (3) comprises a first motor (31), a first rotating shaft (32) and a connecting block (33); the first motor (31) is fixedly connected to the bottom wall of the first mounting groove (11); the output end of the first motor (31) is fixedly connected to the first rotating shaft (32); the other end of the first rotating shaft (32) is rotatably connected to the first mounting groove (11); a plurality of connecting blocks (33) are fixedly connected to the first rotating shaft (32) at equal distances; and the plurality of connecting blocks (33) are fixedly connected to the protective door (2).

3. A multifunctional civil defense door according to claim 2, characterized in that: A second mounting groove (12) is provided in the bottom wall of the mounting frame (1); the water retaining device (4) comprises a first gear (41), a second gear (42), a second rotating shaft (43), a first synchronous pulley (44), a third rotating shaft (45), a second synchronous pulley (46), a synchronous belt (47), and a baffle (48); the first gear (41) is fixedly connected to the first rotating shaft (32); a second gear (42) is provided on one side of the first gear (41); the second gear (42) is meshedly connected to the first gear (41); a second rotating shaft (43) is fixedly connected in the second gear (42); the lower end of the second rotating shaft (43) is rotatably connected to the second mounting groove (12); and the second rotating shaft (43) is fixedly connected to the first rotating shaft (32). A synchronous pulley (44), a third rotating shaft (45) is arranged opposite to the other side of the second rotating shaft (43), a second synchronous pulley (46) is fixedly connected to the third rotating shaft (45), a synchronous belt (47) is sleeved on the first synchronous pulley (44) and the second synchronous pulley (46), the second rotating shaft (43) and the third rotating shaft (45) are provided with external threads, a baffle (48) is arranged on the second rotating shaft (43) and the third rotating shaft (45), the baffle (48) is slidably connected to the second mounting groove (12), a threaded hole (49) is arranged in the baffle (48) opposite to the second rotating shaft (43) and the third rotating shaft (45), and the second rotating shaft (43) and the third rotating shaft (45) are threadedly connected to the baffle (48).

4. A multifunctional civil defense door according to claim 3, characterized in that: A third mounting groove (21) is arranged in the protective door (2), two guide rails (211) are arranged oppositely on two side walls of the third mounting groove (21), a first plug hole (14) is arranged on the lower wall of the mounting frame (1), and the support assembly (5) comprises a second motor (51), a screw rod (52), a sleeve (53) and a slider (54), the second motor (51) is fixedly connected to the top wall of the third mounting groove (21), the output end of the second motor (51) is fixedly connected to the screw rod (52), the outer sleeve of the screw rod (52) is provided with a sleeve (53), the sleeve (53) is provided with an internal thread, the sleeve (53) is threadedly connected to the screw rod (52), two sliders (54) are fixedly connected oppositely to the outside of the sleeve (53), the sliders (54) are slidably connected to the guide rails (211), and the sleeve (53) can be inserted into the first plug hole (14).

5. The multifunctional civil defense door according to claim 4, characterized in that: A fourth mounting groove (13) is arranged on the side wall opposite to the first mounting groove (11); the impact-resistant assembly (6) comprises an electric telescopic rod (61) and a guide sleeve (62); a plurality of electric telescopic rods (61) are fixedly connected to the inner wall of the fourth mounting groove (13); a guide sleeve (62) is fixedly connected to the front end of the electric telescopic rod (61); a second plug hole (22) is arranged at a position opposite to the electric telescopic rod (61); the electric telescopic rod (61) and the guide sleeve (62) can be inserted into the second plug hole (22).

6. The multifunctional civil defense door according to claim 1, characterized in that: A sealing layer (7) is fixedly connected to the inner wall of the installation frame (1).

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