CN219365867U - Anti-seismic civil air defense door - Google Patents

Abstract

The utility model discloses an anti-seismic civil air defense door which comprises a door frame, wherein the outer wall of the door frame is hinged with a door body through a hinge, a door lock is arranged on the door body, the outer wall of the door body is provided with a frame, a plurality of buffer mechanisms are arranged at the corresponding positions of the outer wall of the door frame and the frame, the outer wall of the door frame is close to the bottom and is connected with a panel through a lifting mechanism, and the outer wall of the panel is connected with universal wheels through a bracket; according to the utility model, the impact of the door body on the door frame when the door is closed can be effectively absorbed by utilizing the matching of the plurality of buffer mechanisms arranged on the door frame and the frame, so that the buffer shock-resistant effect is achieved, the door body can be supported under the condition that the opening and closing of the door body are not affected by the arrangement of the universal wheels, the hinge is protected, the service life of the hinge is prolonged, in addition, the height of the universal wheels can be adjusted by the arrangement of the lifting mechanism, so that the universal wheels are conveniently attached to the ground in the installation process of the civil air defense door, and the use effect is good.

Description

Anti-seismic civil air defense door

Technical Field

The utility model relates to a civil air defense door, in particular to an anti-seismic civil air defense 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.

In order to ensure the protection effect of the civil air defense door, the door body is generally thicker and has large dead weight, so that larger inertia exists when the door is closed, impact is generated on the door frame, vibration of the door frame is caused, the wall surface of the joint of the door frame and the wall body is cracked or the door hinge is damaged in the long term, when the civil air defense door is in an open state, the door body is mostly in a suspended state, the weight of the door body is born by the hinge completely, the service life of the hinge is shortened, and the improvement is needed.

Disclosure of Invention

The utility model aims to provide an anti-seismic civil air defense door so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an antidetonation people's air defense door, includes the door frame, the outer wall of door frame articulates through the hinge has the door body, install the lock on the door body, the outer wall of the door body is provided with the frame, a plurality of buffer gear are installed with the department that corresponds of frame to the outer wall of door frame, the outer wall of door frame is close to the bottom and is connected with the panel through elevating system, the outer wall of panel has the universal wheel through leg joint.

As a further scheme of the utility model: the outer wall of door frame all has seted up the blind hole with each buffer gear's corresponding department, buffer gear is including spring and the stopper that is located the blind hole, the outer wall fixedly connected with ejector pin of stopper, rubber cushion has been cup jointed to the tip of ejector pin, when the door body is in the closed condition, rubber cushion is laminated with the frame, and the spring is in compression state.

As a further scheme of the utility model: the outer wall of door frame is located the opening part of each blind hole and has all seted up the screw hole, threaded connection has the spacing ring in the screw hole, the spacing ring cover is established on the ejector pin, stopper, rubber cushion are located the both sides of spacing ring.

As a further scheme of the utility model: the lifting mechanism comprises a screw rod rotatably installed in a door body, a nut is sleeved on the outer wall of the screw rod in a matched mode, an open slot is formed in the corresponding position of the outer wall of the door body and the screw rod, the nut is located in the open slot, the nut is fixedly connected with a panel, a driving block is arranged on the outer wall of the door body in a penetrating mode in a rotating mode, and the driving block is connected with the screw rod in a transmission mode.

As still further aspects of the utility model: the door is characterized in that a worm is rotatably arranged in the door body, the driving block is fixedly connected with one end of the worm, the outer wall of the screw is matched and sleeved with a worm wheel, and the worm wheel are meshed with each other.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the impact of the door body on the door frame when the door is closed can be effectively absorbed by utilizing the matching of the plurality of buffer mechanisms arranged on the door frame and the frame, so that the buffer shock-resistant effect is achieved, the door body can be supported under the condition that the opening and closing of the door body are not affected by the arrangement of the universal wheels, the hinge is protected, the service life of the hinge is prolonged, in addition, the height of the universal wheels can be adjusted by the arrangement of the lifting mechanism, so that the universal wheels are conveniently attached to the ground in the installation process of the civil air defense door, and the use effect is good.

Drawings

Fig. 1 is a schematic structural view of an earthquake-proof personal air defense door.

Fig. 2 is a schematic diagram of the distribution position of the buffer mechanism on the door frame in the earthquake-proof civil air defense door.

Fig. 3 is a schematic structural view of a lifting mechanism in an earthquake-proof personal air defense door.

Fig. 4 is an enlarged view at a in fig. 3.

The door comprises a door frame 1, a hinge 2, a door body 3, a door lock 4, a screw 5, a worm wheel 6, a worm 7, a driving block 8, a nut 9, an open slot 10, a panel 11, a bracket 12, a universal wheel 13, a frame 14, a buffer mechanism 15, a blind hole 16, a threaded hole 17, a spring 18, a limiting block 19, a push rod 20, a limiting ring 21 and a rubber cushion block 22.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the embodiment of the utility model, an anti-seismic civil air defense door comprises a door frame 1, wherein the outer wall of the door frame 1 is hinged with a door body 3 through a hinge 2, a door lock 4 is installed on the door body 3, a frame 14 is arranged on the outer wall of the door body 3, a plurality of buffer mechanisms 15 are installed at the corresponding positions of the outer wall of the door frame 1 and the frame 14, a panel 11 is connected to the outer wall of the door frame 1 close to the bottom through a lifting mechanism, and universal wheels 13 are connected to the outer wall of the panel 11 through a bracket 12.

According to the scheme, the impact of the door body 3 on the door frame 1 during door closing can be effectively absorbed by utilizing the matching of the plurality of buffer mechanisms 15 arranged on the door frame 1 and the frame 14, so that the buffer shock-resistant effect is achieved, the door body 3 can be supported under the condition that the opening and closing of the door body 3 are not affected by the arrangement of the universal wheels 13, the hinge 2 is protected, the service life of the hinge 2 is prolonged, in addition, the height of the universal wheels 13 can be adjusted by the arrangement of the lifting mechanism, and therefore the universal wheels 13 can be conveniently attached to the ground in the installation process of the civil air defense door, and the use effect is good.

With specific reference to fig. 2 and fig. 4, in an embodiment of the present utility model, blind holes 16 are formed at the positions corresponding to the outer walls of the door frame 1 and the buffer mechanisms 15, the buffer mechanisms include springs 18 and limiting blocks 19 located in the blind holes 16, ejector pins 20 are fixedly connected to the outer walls of the limiting blocks 19, rubber cushion blocks 22 are sleeved at the ends of the ejector pins 20, specifically, the rubber cushion blocks 22 are in interference fit with the ejector pins 20, and when the door body 3 is in a closed state, the rubber cushion blocks 22 are attached to the frame 14, and the springs 18 are in a compressed state.

Through the use of rubber cushion 22 and spring 18, in the in-process of closing door body 3, frame 14 can contact with rubber cushion 22 to the kinetic energy when the subassembly compression rubber cushion 22 and spring 18 with utilizing the deformation of both when moving door body 3 is changed the elastic potential energy of rubber cushion 22 and spring 18, with effectual absorption door body 3 is applied to the impact force of door frame 1, plays buffering antidetonation effect.

With specific reference to fig. 4, further, on the basis of the above embodiment, the openings of the outer walls of the door frame 1 located in the blind holes 16 are provided with threaded holes 17, the threaded holes 17 are internally connected with limiting rings 21 in a threaded manner, the limiting rings 21 are sleeved on the ejector rods 20, and the limiting blocks 19 and the rubber cushion blocks 22 are located on two sides of the limiting rings 21.

The limiting block 19 can be limited by the limiting ring 21, so that the spring 18, the ejector rod 20 and the like are prevented from being separated from the blind hole 16 when the door body 3 is opened.

With specific reference to fig. 1 and fig. 3, in one embodiment of the present utility model, the lifting mechanism includes a screw 5 rotatably installed in the door body 3, a nut 9 is sleeved on an outer wall of the screw 5 in a matching manner, an open slot 10 is formed at a corresponding position between the outer wall of the door body 3 and the screw 5, the nut 9 is located in the open slot 10, the nut 9 is fixedly connected with a panel 11, a driving block 8 is rotatably installed on the outer wall of the door body 3, the driving block 8 is in transmission connection with the screw 5, and a rectangular slot or a hexagonal slot is formed on an end surface of the driving block 8 located outside the door body 3, so that the driving block is operated by using an existing wrench or other tools.

The screw 5 is driven to rotate through the driving block 8, and the panel 11 can be driven to move up and down by utilizing the cooperation of the screw 5 and the nut 9, so that the height of the universal wheel 13 is adjusted, and the universal wheel 13 can be in close contact with the ground.

With specific reference to fig. 3, further, on the basis of the above embodiment, the door body 3 is rotatably provided with a worm 7, the driving block 8 is fixedly connected with one end of the worm 7, the outer wall of the screw 5 is matched and sleeved with a worm wheel 6, and the worm 7 and the worm wheel 6 are meshed with each other.

Through the cooperation of worm wheel 6 and worm 7, can drive screw rod 5 rotation when rotating drive piece 8, its simple structure just for reduction transmission, can be comparatively laborsaving highly adjust universal wheel 13.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. An antidetonation people's air defense door, its characterized in that: including door frame (1), the outer wall of door frame (1) articulates through hinge (2) has door body (3), install lock (4) on door body (3), the outer wall of door body (3) is provided with frame (14), a plurality of buffer gear (15) are installed in the outer wall of door frame (1) and the department of correspondence of frame (14), the outer wall of door frame (1) is close to the bottom and is connected with panel (11) through elevating system, the outer wall of panel (11) is connected with universal wheel (13) through support (12).

2. An anti-seismic civil air defense door according to claim 1 wherein: blind holes (16) are formed in the outer wall of the door frame (1) and the corresponding positions of the buffer mechanisms (15), the buffer mechanisms comprise springs (18) and limiting blocks (19) located in the blind holes (16), ejector rods (20) are fixedly connected to the outer wall of each limiting block (19), rubber cushion blocks (22) are sleeved at the end portions of the ejector rods (20), when the door body (3) is in a closed state, the rubber cushion blocks (22) are attached to the frame (14), and the springs (18) are in a compressed state.

3. An anti-seismic civil air defense door according to claim 2 wherein: screw holes (17) are formed in the openings of the blind holes (16) in the outer wall of the door frame (1), limiting rings (21) are connected with the screw holes (17) in a threaded mode, the limiting rings (21) are sleeved on the ejector rods (20), and limiting blocks (19) and rubber cushion blocks (22) are located on two sides of the limiting rings (21).

4. An anti-seismic civil air defense door according to claim 1 wherein: the lifting mechanism comprises a screw rod (5) rotatably mounted in a door body (3), a nut (9) is sleeved on the outer wall of the screw rod (5) in a matched mode, an open slot (10) is formed in the corresponding position of the outer wall of the door body (3) and the screw rod (5), the nut (9) is located in the open slot (10), the nut (9) is fixedly connected with a panel (11), a driving block (8) is rotatably arranged on the outer wall of the door body (3) in a penetrating mode, and the driving block (8) is in transmission connection with the screw rod (5).

5. An anti-seismic civil air defense door according to claim 4 wherein: the door body (3) is rotationally provided with a worm (7), the driving block (8) is fixedly connected with one end of the worm (7), the outer wall of the screw (5) is matched and sleeved with a worm wheel (6), and the worm (7) and the worm wheel (6) are meshed with each other.