CN214835857U - Reinforced concrete single-leaf protective airtight door - Google Patents

Abstract

The application discloses a reinforced concrete single-leaf protective airtight door, which comprises a door frame and a door body arranged in the door frame; the door body is provided with two door shafts which are respectively arranged on two sides of the door body, and the door body is provided with two through holes for the door shafts to pass through; the inside of the door frame is provided with a switching mechanism which controls the two door shafts to be alternately matched and connected with the door body. The application provides a reinforced concrete single leaf protective airtight door for the door body can be opened along two different directions, can effectively deal with the unable condition of opening of the door body behind the door-hinge damage, prevents that personnel from dying, improves the security.

Description

Reinforced concrete single-leaf protective airtight door

Technical Field

The application relates to the technical field of protective equipment, in particular to a reinforced concrete single-leaf protective airtight door.

Background

The protective airtight door is also called a civil defense door, and refers to protective equipment installed at an entrance and an exit of civil protection engineering, and is mainly used for blocking shock waves and isolating toxic gases, and when an accident occurs, the safety of people can be guaranteed by closing the protective airtight door.

Current protective airtight door includes the door leaf and the door frame that are connected by the hinge and connects the shutting structure of door leaf and door frame, and this protective airtight door accessible rotates and realizes the switch, also can deal with the shock wave, but when protective airtight door is bearing great shock wave, because protective airtight door warp easily, and the hinge department of protective airtight door warp and damages the back, can lead to the airtight door can't open to cause the condition that inside personnel are died.

Disclosure of Invention

In order to overcome the not enough of prior art, the utility model aims to provide a reinforced concrete single leaf protective airtight door for the door body can be followed two different directions and opened, can effectively deal with the condition that the door body can't be opened after the door-hinge damage, prevents that personnel from dying, improves the security.

In order to achieve the purpose, the application provides a reinforced concrete single-leaf protective airtight door which comprises a door frame and a door body arranged in the door frame;

the door body is provided with two door shafts which are respectively arranged on two sides of the door body, and the door body is provided with two through holes for the door shafts to pass through;

a switching mechanism is arranged in the door frame and controls the two door shafts to be connected with the door body in an alternate matching manner.

Compared with the prior art, the beneficial effect of this application lies in: the door body is provided with two door shafts which are respectively positioned at two sides of the door body, so that the door body can be opened and closed along two different directions, and the door body can be opened in different directions by coping with different situations; the switching mechanism on the door frame can make two door axles and the door body cooperate in turn to be connected for the door body single only is connected with a door axle cooperation, promotes the stability of a body coupling, ensures the normal switching of door physical stamina, and when the door body suffered the shock wave and made one of them door axle damage, another door axle can replace the use, thereby the switching door body.

As an improvement, the bottom of the door frame is provided with a containing cavity for containing the switching mechanism, the switching mechanism comprises a motor, a screw rod and a sliding block, the motor drives the screw rod to rotate, the screw rod is connected with the sliding block in a matching way, the sliding block is provided with two first openings for containing the door shafts, the screw rod rotates to drive the sliding block and the door shafts to move, through the improvement, the switching mechanism is driven by the motor, the motor is driven without manual labor operation and is convenient to control, the screw rod rotates stably and accurately, so that the matching of the door shafts and the door body is more accurate and stable, the door shafts are arranged in the first openings on the sliding block and are flexibly connected, the sliding block can drive the door shafts to move through translation, the door shafts can also freely slide up and down, when one door shaft is damaged, the sliding block can drive the other door shaft to move without being influenced by the fact that the door shaft moves upwards to extend out of the sliding block, so that the other door shaft is matched and connected with the door body, thereby opening and closing the door body.

As an improvement, the distance between the two open holes is greater than that between the two through holes, when one door shaft is connected with the door body in a matched mode, the other door shaft is separated from the door body, through the improvement, the door body can be accurately controlled to be connected with one door shaft in a matched mode at a time, the stability of matching between the door body and different door shafts is improved, and normal opening and closing of the door body are guaranteed.

As an improvement, two second openings are formed in the upper portion of the door frame, electromagnets are arranged in the second openings, permanent magnets are arranged at the top ends of the door shafts, the number of the electromagnets is two, the electromagnets correspond to the two door shafts one to one, the electromagnets are magnetically attracted to the permanent magnets after being electrified, when the electromagnets and the permanent magnets are located on the same vertical plane, the electromagnets are electrified to enable the door shafts to extend into the second openings, through the improvement, the electromagnets can move upwards into the second openings after being electrified, the door shafts are connected with the door frame, the door shafts are prevented from deviating, and meanwhile the door shafts are separated from the sliding blocks, so that when the door body is damaged by shock waves, the switching mechanism can normally operate, and the other door shaft is connected with the door body in a matched mode.

As an improvement, the two sides of the door body are also provided with limiting parts, the limiting parts are formed with limiting holes, the limiting holes correspond to the second openings one by one, the limiting holes and the second openings are located at the same vertical position, the door shaft is suitable for penetrating through the limiting holes, when the door shaft penetrates through the limiting holes and is connected with the electromagnet, the limiting parts limit the door shaft to be separated from the door body, through the improvement, the door shaft needs to penetrate through the limiting holes when extending into the second openings, the limiting holes can effectively prevent the door body from being separated from the door shaft, the door body is ensured to be connected with the door shaft all the time in the opening and closing process, the door body rotates around the door shaft, and the door shaft and the electromagnet can be further ensured not to be located at the same vertical position and then are limited from moving upwards.

As an improvement, two door handles are arranged on the door body and are respectively close to the left side and the right side of the door body, and through the improvement, the two door handles are respectively used for door opening conditions on two sides of the door body, so that force application of people is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of the present application when the door is closed;

FIG. 2 is an exploded view of the door frame and door body of the present application;

FIG. 3 is another perspective view of the overall structure of the door frame and door body according to the present application;

FIG. 4 is a schematic view of the door body alone according to the present application;

fig. 5 is a sectional view of the entire structure of fig. 1.

In the figure: 1. a door frame; 11. a cavity; 111. a motor; 112. a screw; 113. a slider; 1131. a first opening; 12. a second opening; 121. an electromagnet; 2. a door body; 21. a door shaft; 211. a through hole; 212. a permanent magnet; 22. a limiting part; 221. a limiting hole; 23. a door handle.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the orientation words, such as the terms "central", "upper", "lower", "front", "back", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The application provides a reinforced concrete single-leaf protective airtight door, which comprises a door frame 1 and a door body 2 arranged in the door frame 1, as shown in figures 1-5;

the door body 2 is provided with two door shafts 21, the two door shafts 21 are respectively arranged at two sides of the door body 2, and the door body 2 is provided with two through holes 211 for the door shafts 21 to pass through;

the inside of the door frame 1 is provided with a switching mechanism which controls the two door shafts 21 to be alternately matched and connected with the door body 2.

Specifically, as shown in fig. 2 to 5, the bottom of the door frame 1 is provided with a cavity 11 for accommodating the conversion mechanism, the conversion mechanism includes a motor 111, a screw 112 and a slider 113, the motor 111 drives the screw 112 to rotate, the screw 112 is connected with the slider 113 in a matching manner, the slider 113 is provided with two first openings 1131 for accommodating the door shaft 21, and the screw 112 rotates to drive the slider 113 and the door shaft 21 to move. The door shaft 21 abuts the first opening 1131, and the door shaft 21 is movable in the longitudinal direction of the first opening 1131.

The conversion mechanism includes, but is not limited to, a driving connection system such as the motor 111, the screw 112, and the slider 113.

Specifically, as shown in fig. 4 and 5, the distance between the two openings is greater than the distance between the two through holes 211, and when one door shaft 21 is connected with the door body 2 in a matching manner, the other door shaft 21 is separated from the door body 2.

Specifically, as shown in fig. 5, two second openings 12 are formed in the upper portion of the door frame 1, electromagnets 121 are disposed in the second openings 12, permanent magnets 212 are disposed at the top ends of the door shafts 21, the number of the electromagnets 121 is two, and the electromagnets 121 are in one-to-one correspondence with the two door shafts 21, each electromagnet 121 is controlled by a separate switch, when the switching mechanism controls one door shaft 21 to be in fit connection with the door body 2 each time, the corresponding electromagnet 121 is energized, the other electromagnet 121 is de-energized, the electromagnet 121 is magnetically attracted to the permanent magnet 212 after being energized, and when the electromagnet 121 and the permanent magnet 212 are located on the same vertical plane, the electromagnet 121 is energized, so that the door shaft 21 extends into the second openings 12.

Specifically, as shown in fig. 2, the two sides of the door body 2 are further provided with a limiting portion 22, the limiting portion 22 is formed with a limiting hole 221, the limiting hole 221 corresponds to the second opening 12 one by one, the limiting hole 221 can be passed by the door shaft 21, the limiting hole 221 and the second opening 12 are located at the same vertical position, the door shaft 21 is suitable for passing through the limiting hole 221, and when the door shaft 21 passes through the limiting hole 221 and is connected with the electromagnet 121, the limiting portion 22 limits the door shaft 21 to be separated from the door body 2.

Specifically, as shown in fig. 1, two door handles 23 are provided on the door body 2, and the two door handles 23 are respectively close to the left side and the right side of the door body 2.

The working principle of the application is as follows: under the normal state, the door body 2 is connected with the door spindle 21 on one side in a matching manner, that is, as shown in fig. 1 and 5, the electromagnet 121 on the left side in the figure is electrified, the permanent magnet 212 on the left side is attracted to the electromagnet 121, the door spindle 21 on the left side extends into the second opening hole 12 and the limiting hole 221, and a user can pull the door body 2 by using the handle, so that the door body 2 pulls the door body 2 by using the door spindle 21 on the left side as a rotating shaft.

When the door needs to be opened by taking the right door shaft 21 as a rotating shaft, the left electromagnet 121 is powered off, the left door shaft 21 falls into the first opening 1131 under the action of gravity, the motor 111 is started, the motor 111 drives the screw rod 112 to rotate, so that the slider 113 drives the two door shafts 21 to move left until the right door shaft 21 and the right second opening 12 and the limiting hole 221 are located at the same vertical position, the right electromagnet 121 is powered on, the right door shaft 21 moves upwards under the action of magnetic forces of the permanent magnet 212 and the electromagnet 121, passes through the limiting hole 221 and the second opening 12, the limiting part 22 limits the door shaft 21 to be separated, and the door body 2 is prevented from being separated in the rotating process.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (6)

1. The utility model provides a reinforced concrete single leaf protective airtight door which characterized in that: comprises a door frame and a door body arranged in the door frame;

the door body is provided with two door shafts which are respectively arranged on two sides of the door body, and the door body is provided with two through holes for the door shafts to pass through;

a switching mechanism is arranged in the door frame and controls the two door shafts to be connected with the door body in an alternate matching manner.

2. The reinforced concrete single-leaf protective airtight door as claimed in claim 1, wherein: the bottom of door frame is equipped with and is used for the holding the appearance chamber of shifter, the shifter includes motor, screw rod and slider, motor drive the screw rod rotates, the screw rod with the slider cooperation is connected, set up two first trompils that are used for the holding on the slider the door-hinge, the screw rod rotates the drive the slider with the door-hinge removes.

3. The reinforced concrete single-leaf protective airtight door as claimed in claim 2, wherein: the distance between the two open holes is greater than that between the two through holes, and when one door shaft is connected with the door body in a matched mode, the other door shaft is separated from the door body.

4. The reinforced concrete single-leaf protective airtight door as claimed in claim 1, wherein: two second openings are formed in the upper portion of the door frame, electromagnets are arranged in the second openings, permanent magnets are arranged at the top ends of the door shafts, the number of the electromagnets is two, the electromagnets correspond to the two door shafts one to one, the electromagnets are magnetically attracted with the permanent magnets after being electrified, and when the electromagnets and the permanent magnets are located on the same vertical plane, the electromagnets are electrified to enable the door shafts to extend into the second openings.

5. The reinforced concrete single-leaf protective airtight door as claimed in claim 4, wherein: the both sides of the door body still have spacing portion, spacing portion shaping has a spacing hole, spacing hole with the second trompil one-to-one, just spacing hole with the second trompil is in same vertical position, the door-hinge is suitable for to pass spacing hole, works as the door-hinge passes spacing hole with when the electro-magnet is connected, spacing portion restriction the door-hinge with the separation of the door body.

6. A reinforced concrete single-leaf protective airtight door as claimed in any one of claims 1 to 5, wherein: the door body is provided with two door handles which are respectively close to the left side and the right side of the door body.

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