Counterweight type civil air defense door convenient to open and close

Abstract

The utility model provides a counter weight type civil air defense door convenient to open and close, which comprises a door body, a door plate, an electric sliding table, a protection box and a supporting mechanism, the supporting mechanism comprises an electric rotary table, a rotary cylinder, a supporting block and moving wheels, the door body can be opened and closed, the protection box is arranged on the side wall of the door body, the rotary cylinder capable of rotating is arranged in the protection box, and the supporting block is arranged on the rotating cylinder. Supporting blocks and moving wheels are arranged on the outer wall of the rotating cylinder, when the door body needs to be moved, the electric rotating table drives the rotating cylinder to rotate, the moving wheels rotate downwards, at the moment, the bottom faces of the moving wheels extend to the position below the protection box, after the electric sliding table drives the protection box to descend, the moving wheels can make contact with the ground, and therefore the door body can be conveniently moved; and after the door body moves to a designated position, the electric rotary table can drive the rotating cylinder to rotate, so that the supporting blocks located at the upper part and the lower part can be in contact with the ground, the door body is conveniently supported, the hinged part of the door body is prevented from being damaged, and the protection function can be ensured to be normally carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense doors, in particular to a counterweight-type civil air defense door which is convenient for opening and closing. Background Art

[0002] With the progress of urbanization and the improvement of people's safety awareness, the importance of civil air defense projects in modern urban construction has become increasingly prominent. In underground garages, civil air defense doors are generally installed. In addition to meeting the convenience requirements of personnel and vehicle passage in daily use, civil air defense doors also undertake the important task of protecting personnel and facilities from external threats such as air raids, nuclear and biological weapons attacks, etc. In order to highlight their protective performance, traditional civil air defense doors are generally relatively bulky, and the opening and closing operations are complicated, and they also require multiple people to open and close. The door body and door frame of traditional civil air defense doors are generally hinged, and in daily use, they are In use, civil air defense doors are generally opened directly. During the long-term opening process, the weight of the door body will cause wear on the hinges, thus affecting the normal opening and closing of the door body. In addition, in order to facilitate the opening and closing of the door body, a moving wheel is generally provided at the bottom of the door body, and the moving wheel is used to achieve smooth movement of the door body. The moving wheel of the civil air defense door that is opened for a long time will also be exposed to the external environment, and the underground garage is relatively humid and easy to get into water. The moving wheel is prone to rust when exposed to the external environment for a long time, making it move unsmoothly, thereby affecting the closing of the civil air defense door, and it cannot provide protection for people. Utility Model Content

[0003] In view of this, the utility model proposes a counterweight-type civil air defense door which is easy to open and close, and can store and protect the moving wheels to ensure that the moving wheels can rotate smoothly when the civil air defense door is closed.

[0004] The technical solution of the utility model is achieved in this way:

[0005] A counterweight-type civil defense door that is easy to open and close, comprising a door body, a door panel, an electric slide, a protection box and a supporting mechanism, wherein the door panel is provided with a door opening, the door body is hinged to the side wall of the door panel on one side of the door opening, the electric slide is arranged on the side wall of the door body away from the door opening, its mover is connected to the side wall of the protection box, and the bottom surface of the protection box is open; the supporting mechanism comprises an electric turntable, a rotating cylinder, a supporting block and a moving wheel, the electric turntable is arranged on the opposite inner side walls of the protection box, the rotating cylinder is arranged between the electric turntables, and its end is connected to the rotating surface of the electric turntable, the supporting blocks are symmetrically arranged on the top and bottom surfaces of the rotating cylinder, and the moving wheels are arranged on the side wall of the rotating cylinder and are distributed at intervals.

[0006] Preferably, it further comprises a hinge, wherein the hinge is arranged on the side wall of the door panel and is located on one side of the door opening, and one side of the door body is connected to the hinge.

[0007] Preferably, it also includes a sealing mechanism, which includes an air pump, an annular airbag and an air pipeline. The annular airbag is arranged on the inner wall of the protection box and its height is lower than the height of the moving wheel. The air pump is arranged on the top surface of the protection box, and the air pipeline connects the air pump and the annular airbag.

[0008] Preferably, the sealing mechanism further includes an air vent pipe and an air valve, the air vent pipe is connected to the gas pipeline, and the air valve is arranged on the gas pipeline.

[0009] Preferably, it further comprises a control panel, which is arranged on the side wall of the door body away from the door opening and is electrically connected to the electric slide, the electric turntable, the air pump and the air valve respectively.

[0010] Preferably, the supporting mechanism also includes a mounting frame and a driving motor, the mounting frame is spaced apart on the side wall of the rotating cylinder, the moving wheel is arranged in the mounting frame, the driving motor is arranged on the outer wall of the mounting frame, the output shaft of the driving motor is connected to the moving wheel, and the control panel is electrically connected to the driving motor.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] ① The moving wheel is set inside the protection box, and after the electric turntable drives the rotating cylinder to rotate, the moving wheel can be rotated to the outside, and then driven by the electric slide, the moving wheel can contact the ground, so that the door body can be opened and closed conveniently to ensure that the protection can be carried out normally;

[0013] ② In addition to the moving wheels, the rotating cylinder is also provided with support blocks. When the door body is opened to the specified position, the electric turntable can drive the rotating cylinder to rotate, so that the moving wheels can be stored in the protection box to prevent the moving wheels from being damaged by moisture and rust. At the same time, the support blocks can contact the ground to support the door body to avoid damage to the moving wheels and hinged positions due to long-term support of the door body, thereby ensuring that the civil air defense function can be carried out normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only preferred embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 This is a structural schematic diagram of a counterweight-type civil air defense door that is easy to open and close according to the utility model;

[0016] Figure 2 This is a schematic structural diagram of a support mechanism for a counterweight-type civil air defense door that is easy to open and close according to the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of a protective box of a heavy-duty civil air defense door that is easy to open and close according to the utility model;

[0018] In the figure, 1 is the door body, 2 is the door panel, 3 is the electric slide, 4 is the protection box, 5 is the door opening, 6 is the electric turntable, 7 is the rotating cylinder, 8 is the support block, 9 is the moving wheel, 10 is the hinge, 11 is the air pump, 12 is the annular airbag, 13 is the air supply pipeline, 14 is the air release pipe, 15 is the air valve, 16 is the control panel, 17 is the mounting bracket, and 18 is the driving motor. DETAILED DESCRIPTION

[0019] In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described in conjunction with the accompanying drawings.

[0020] See also Figures 1 to 3 The utility model provides a counterweight-type civil defense door that is easy to open and close, comprising a door body 1, a door panel 2, an electric slide 3, a protection box 4 and a supporting mechanism. The door panel 2 is provided with a door opening 5, and the door body 1 is hinged to the side wall of the door panel 2 on one side of the door opening 5. The electric slide 3 is arranged on the side wall of the door body 1 away from the door opening 5, and its mover is connected to the side wall of the protection box 4, and the bottom surface of the protection box 4 is open; the supporting mechanism comprises an electric turntable 6, a rotating cylinder 7, a supporting block 8 and a moving wheel 9. The electric turntable 6 is arranged on the inner side walls opposite to the protection box 4, and the rotating cylinder 7 is arranged between the electric turntables 6, and its end is connected to the rotating surface of the electric turntable 6. The supporting block 8 is symmetrically arranged on the top and bottom surfaces of the rotating cylinder 7, and the moving wheel 9 is arranged on the side wall of the rotating cylinder 7 and is distributed at intervals.

[0021] The utility model discloses a counterweight heavy-duty civil air defense door which is easy to open and close, and is arranged in an underground garage. A door opening 5 is arranged on a door panel 2, and a door body 1 is hinged with the door panel 2, so that the door opening 5 can be opened and closed, and vehicles and pedestrians in the underground garage can pass through the door opening 5. When an emergency occurs, the door body 1 can close the door opening 5 to protect the internal personnel.

[0022] A protection box 4 is arranged on the side wall of the door body 1, and a rotating cylinder 7 is arranged in the protection box 4. The rotating cylinder 7 can be driven to rotate by an electric turntable 6, and two support blocks 8 and a moving wheel 9 are arranged on the outer wall of the rotating cylinder 7. The support blocks 8 are arranged on the top surface and the bottom surface of the rotating cylinder 7, and the moving wheel 9 is arranged on the side wall of the rotating cylinder 7. The rotating cylinder 7 can be driven to rotate by the electric turntable 6, so that the moving wheel 9 or the support block 8 can be rotated to the bottom open side of the protection box 4. When the door body 1 needs to be opened and closed, the moving wheel 9 can be rotated downward, and its bottom surface will extend below the protection box 4, and then the electric turntable 6 can be used to open and close the door body 1. The movable slide 3 drives the protection box 4 to descend, so that the moving wheels 9 are in contact with the ground. At this time, the door body 1 can move smoothly and is convenient to open and close. When the door body 1 moves to the specified position, the electric turntable 6 can drive the rotating cylinder 7 to rotate, so that the support blocks 8 are located in the upper and lower positions. When the electric slide 3 drives the protection box 4 to descend, the bottom of the lower support block 8 can be in contact with the ground, and the top surface of the top support block 8 can be in contact with the top surface inside the protection box 4, thereby supporting the entire door body 1 and avoiding damage to the moving wheels 9 and the hinges of the door body 1. The moving wheels 9 can be stored in the protection box 4 to avoid damage due to moisture.

[0023] Preferably, a hinge 10 is further included, wherein the hinge 10 is arranged on the side wall of the door panel 2 and is located on one side of the door opening 5 , and one side of the door body 1 is connected to the hinge 10 .

[0024] When the door body 1 is opened or closed, it can rotate driven by the hinge 10 .

[0025] Preferably, it also includes a sealing mechanism, which includes an air pump 11, an annular airbag 12 and an air pipeline 13. The annular airbag 12 is arranged on the inner wall of the protection box 4, and its height is lower than the height of the moving wheel 9. The air pump 11 is arranged on the top surface of the protection box 4. The air pipeline 13 connects the air pump 11 and the annular airbag 12. The sealing mechanism also includes an air release pipe 14 and an air valve 15. The air release pipe 14 is connected to the air pipeline 13, and the air valve 15 is arranged on the air pipeline 13.

[0026] When the door body 1 is opened to the specified position, the moving wheel 9 will be stored in the protection box 4. At this time, the air pump 11 can be turned on. The air pump 11 can deliver external air to the annular airbag 12 through the air pipeline 13. The annular airbag 12 can seal the bottom surface of the protection box 4 to prevent moisture from entering the protection box 4 and causing the moving wheel 9 to get wet. When the door body 1 needs to be moved, the air valve 15 can be opened, and the air in the annular airbag 12 can be discharged to the outside through the air pipeline 13 and the air vent 14, so that the electric turntable 6 can drive the rotating cylinder 7 to drive the moving wheel 9 to rotate.

[0027] Preferably, a control panel 16 is further included, which is arranged on the side wall of the door body 1 away from the door opening 5 and is electrically connected to the electric slide 3, the electric turntable 6, the air pump 11 and the air valve 15 respectively.

[0028] The control panel 16 can control various electrical components to realize the lifting and lowering of the protection box 4, the rotation of the rotating cylinder 7, the inflation and deflation of the annular airbag 12, etc.

[0029] Preferably, the supporting mechanism also includes a mounting frame 17 and a driving motor 18, the mounting frame 17 is spaced apart on the side wall of the rotating cylinder 7, the moving wheel 9 is arranged in the mounting frame 17, the driving motor 18 is arranged on the outer wall of the mounting frame 17, and its output shaft is connected to the moving wheel 9, and the control panel 16 is electrically connected to the driving motor 18.

[0030] After the moving wheel 9 is set in the mounting frame 17, the driving motor 18 can drive the moving wheel 9 to rotate. After the moving wheel 9 rotates, it can drive the door body 1 to move, thereby realizing the opening and closing of the civil air defense door.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heavy-duty civil air defense door that is easy to open and close, characterized in that: It includes a door body, a door panel, an electric slide, a protection box and a supporting mechanism, wherein the door panel is provided with a door opening, the door body is hinged to the side wall of the door panel on one side of the door opening, the electric slide is arranged on the side wall of the door body away from the door opening, its mover is connected to the side wall of the protection box, and the bottom surface of the protection box is open; the supporting mechanism includes an electric turntable, a rotating cylinder, a supporting block and a moving wheel, the electric turntable is arranged on the opposite inner side walls of the protection box, the rotating cylinder is arranged between the electric turntables, and the end thereof is connected to the rotating surface of the electric turntable, the supporting blocks are symmetrically arranged on the top and bottom surfaces of the rotating cylinder, and the moving wheels are arranged on the side wall of the rotating cylinder and are distributed at intervals.

2. A heavy-duty civil air defense door that is easy to open and close according to claim 1, characterized in that: It also includes a hinge, which is arranged on the side wall of the door panel and located at one side of the door opening, and one side of the door body is connected to the hinge.

3. The heavy-duty civil air defense door that is easy to open and close according to claim 1 is characterized in that: It also includes a sealing mechanism, which includes an air pump, an annular airbag and an air pipeline. The annular airbag is arranged on the inner wall of the protection box, and its height is lower than the height of the moving wheel. The air pump is arranged on the top surface of the protection box, and the air pipeline connects the air pump and the annular airbag.

4. A counterweight heavy-duty civil air defense door that is easy to open and close according to claim 3, characterized in that: The sealing mechanism also includes an air venting pipe and an air valve. The air venting pipe is connected to the air pipeline, and the air valve is arranged on the air pipeline.

5. A counterweight heavy-duty civil air defense door that is easy to open and close according to claim 4, characterized in that: It also includes a control panel, which is arranged on the side wall of the door body away from the door opening and is electrically connected to the electric slide, the electric turntable, the air pump and the air valve respectively.

6. The heavy-duty civil air defense door that is easy to open and close according to claim 5, characterized in that: The support mechanism also includes a mounting frame and a driving motor. The mounting frame is spaced apart on the side wall of the rotating cylinder, the moving wheel is arranged in the mounting frame, the driving motor is arranged on the outer wall of the mounting frame, the output shaft of the driving motor is connected to the moving wheel, and the control panel is electrically connected to the driving motor.

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