CN217176350U

CN217176350U - Civil air defense covering door

Info

Publication number: CN217176350U
Application number: CN202220211877.5U
Authority: CN
Inventors: 崔萍; 梁卉; 马梦尧
Original assignee: Qingdao Civil Air Defense Architectural Design And Research Institute Co ltd
Current assignee: Qingdao Civil Air Defense Architectural Design And Research Institute Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-12
Anticipated expiration: 2032-01-26

Abstract

The utility model relates to the technical field of a people's air defense door device, in particular to a people's air defense covering door, which comprises a covering groove body arranged above and below a covering door body, wherein a beam is arranged in the middle of the covering door body along the horizontal direction, the positions of the covering door body above and below the beam are respectively provided with an upper cavity and a lower cavity, an upper lifting door plate and a lower lifting door plate are respectively sheathed in the upper cavity and the lower cavity along the vertical direction in a sliding way, a movable flat plate is connected in the covering groove body along the vertical direction in a sliding way, a spring is vertically connected between the movable flat plate and the inner end surface of the covering groove body, the outer ends of the upper lifting door plate and the lower lifting door plate are respectively matched with the inner cavity of the covering groove body along the vertical direction in a sliding way in a clamping way, a transmission mechanism is arranged in the covering door body, the transmission mechanism is used for simultaneously driving the upper lifting door plate and the lower lifting door plate to extend outwards so as to press the corresponding movable flat plate and enter the inner cavity of the hidden groove body; the problem of threshold that the people's air defense door exists influences personnel and vehicle discrepancy at ordinary times is solved.

Description

Civil air defense covering door

Technical Field

The utility model relates to a people's air defense door technical field specifically is a people's air defense covers door.

Background

And the civil defense door is a door at the entrance and exit of the civil protection project. The civil air defense door is classified clearly, and various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, movable door threshold single-leaf and double-leaf protective airtight doors and the like are provided.

In order to ensure that the entrance and exit civil air defense door can resist the impact wave in wartime, the civil air defense door is generally provided with a doorsill protruding out of the ground for bearing the impact wave pressure on a door leaf, but the doorsill brings great inconvenience to the people and vehicles in and out at ordinary times.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a people's air defense hides door for solve among the prior art threshold that people's air defense door exists influence the problem that personnel and vehicle came in and go out at ordinary times.

In order to achieve the above object, the utility model provides a following technical scheme: a civil air defense covering door comprises a covering door body and also comprises a concealing groove body arranged above and below the covering door body, a beam is arranged in the middle of the occultation door body along the horizontal direction, an upper cavity and a lower cavity are respectively arranged at the positions of the occultation door body above and below the beam, an upper lifting door plate and a lower lifting door plate are respectively sleeved in the upper cavity and the lower cavity in a sliding manner along the vertical direction, a movable flat plate is connected in the concealed groove body in a sliding and clamping way along the vertical direction, a spring is vertically connected between the movable flat plate and the inner end face of the concealed groove body, the outer ends of the upper lifting door plate and the lower lifting door plate are respectively matched with the inner cavity of the hidden groove body in a sliding and clamping manner along the vertical direction, a transmission mechanism is arranged in the hidden door body, the transmission mechanism is used for simultaneously driving the upper lifting door plate and the lower lifting door plate to extend outwards so as to press the corresponding movable flat plate and enter the inner cavity of the hidden groove body.

Preferably, still include the drive rod body, the drive rod body includes the minor axis, fixed cup joint in the worm wheel at minor axis middle part and fixed butt joint in the screw rod at minor axis both ends, minor axis top and below the screw thread of screw rod is turned to opposite, the central point of crossbeam puts and is provided with well cavity, vertical axis hole has been seted up respectively to the center of well cavity roof and bottom plate, the top bottom of minor axis rotates respectively to cup joint in the vertical axis hole, the center of going up and falling door plant and lower lift door plant respectively correspond with screw rod thread cup joints, the crossbeam is located one side of well cavity is provided with the cylindricality chamber, the rotation of cylindricality intracavity install with the worm that the worm wheel meshing matches, the front end of worm runs through fixed the having connect the runner behind the front of covering door body.

Preferably, the front wall and the rear wall of the cylindrical cavity are respectively provided with a horizontal shaft hole which is rotatably sleeved and matched with the front end and the rear end of the worm.

Preferably, the positions of the cross beam, which are positioned on two sides of the transmission rod body, are respectively sleeved with guide rods along the vertical direction, and the top and the bottom of each guide rod are respectively in sliding sleeve connection with the upper lifting door plate and the lower lifting door plate along the vertical direction.

Preferably, the end face, far away from the closing door body, of the hidden groove body is respectively and fixedly connected with a plurality of cylinder bodies vertically, and the spring is sleeved in an inner cavity of each cylinder body.

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

the hidden groove body is respectively embedded below the ground and above the top surface of the threshold setting position, and under the normal condition, the movable flat plate is flush with the open end of the hidden groove body under the supporting action of the spring, thereby avoiding the problem of influencing the entrance and exit of people and vehicles; when the anti-impact device is used, the up-down lifting door plate can be pressed against the movable flat plate and clamped into the inner cavity of the hidden groove body, so that the impact force resisting capability of the civil air defense covering door is ensured.

Drawings

Fig. 1 is a schematic overall front view structure diagram of the present invention;

fig. 2 is a schematic front view of the concealed door body of the present invention;

fig. 3 is a schematic view of the driving rod of the present invention.

In the figure: 1-a concealed door body; 11-a cross beam; 12-an upper cavity; 13-lower chamber; 14-a middle cavity; 15-vertical shaft hole; 16-a cylindrical cavity; 17-horizontal shaft hole;

2-lifting door plate;

3-lower lifting door plate;

4-a guide rod;

5-a transmission rod body; 51-minor axis; 52-a worm gear; 53-screw rod;

6-worm;

7-hiding the tank body; 71-a cylinder body; 72-a movable plate;

8-a spring;

9-rotating wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a people's air defense covering door comprises a covering door body 1 and also comprises a concealing groove body 7 arranged above and below the covering door body 1, a beam 11 is arranged in the middle of the covering door body 1 along the horizontal direction, an upper cavity 12 and a lower cavity 13 are respectively arranged at the positions of the covering door body 1 above and below the beam 11, an upper lifting door panel 2 and a lower lifting door panel 3 are respectively sleeved in the upper cavity 12 and the lower cavity 13 along the vertical direction in a sliding way, a movable flat plate 72 is connected in the concealing groove body 7 along the vertical direction in a sliding way in a clamping way, a spring 8 is vertically connected between the movable flat plate 72 and the inner end surface of the concealing groove body 7, the outer ends of the upper lifting door panel 2 and the lower lifting door panel 3 are respectively matched with the inner cavity of the concealing groove body 7 in a sliding way along the vertical direction in a clamping way, a transmission mechanism is arranged in the covering door body 1, the transmission mechanism is used for simultaneously driving the upper lifting door panel 2 and the lower lifting door panel 3 to extend outwards so as to press the corresponding movable flat plate 72 and enter the inner cavity of the hidden groove body 7.

In the embodiment, the door further comprises a transmission rod body 5, the transmission rod body 5 comprises a short shaft 51, a worm gear 52 fixedly sleeved in the middle of the short shaft 51 and screws 53 fixedly butted at two ends of the short shaft 51, the thread turning directions of the screws 53 above and below the short shaft 51 are opposite, a middle cavity 14 is arranged at the center of the cross beam 11, vertical shaft holes 15 are respectively formed in the centers of a top plate and a bottom plate of the middle cavity 14, the top bottom end of the short shaft 51 is rotatably sleeved in the vertical shaft holes 15, the centers of the upper lifting door panel 2 and the lower lifting door panel 3 are respectively sleeved with the screws 53 correspondingly, a cylindrical cavity 16 is arranged on one side of the cross beam 11 positioned in the middle cavity 14, a worm 6 meshed with the worm gear 52 is rotatably installed in the cylindrical cavity 16, and a rotating wheel 9 is fixedly sleeved at the front end of the worm 6 penetrating through the front surface of the door body 1.

In this embodiment, the front and rear walls of the cylindrical cavity 16 are respectively provided with a horizontal shaft hole 17 rotatably sleeved and matched with the front and rear ends of the worm 6.

In this embodiment, the positions of the beam 11 on the two sides of the transmission rod body 5 are respectively sleeved with the guide rods 4 along the vertical direction, and the top and the bottom of each guide rod 4 are respectively and correspondingly sleeved with the upper lifting door panel 2 and the lower lifting door panel 3 along the vertical direction in a sliding manner.

In this embodiment, the end surfaces of the hidden groove bodies 7 far away from the hidden door body 1 are respectively and fixedly connected with a plurality of cylinder bodies 71 vertically, and the springs 8 are sleeved in the inner cavities of the cylinder bodies 71; since the hidden groove body 7 is cast and embedded in the groove pit by using concrete, the installation strength of the hidden groove body 7 is increased by the cylinder body 71.

In conclusion, when the hidden door is used, groove pits are respectively dug on the top plate and the bottom plate corresponding to the installation position of the hidden door body 1, and the hidden groove bodies 7 are respectively arranged in the groove pits; the movable flat plate 72 is respectively flush with the bottom plate and the top plate under the supporting action of the spring 8, so that the problem that the arrangement of a threshold affects the entrance and exit of people and vehicles is avoided; after the covering door body 1 is closed, the rotating wheel 9 is rotated, the rotating wheel 9 drives the worm 6 to rotate, the worm 6 drives the screw 53 to rotate through the worm gear 52, so that the upper lifting door panel 2 and the lower lifting door panel 3 are driven to respectively extend outwards under the guiding action of the guide rod 4, the extending upper lifting door panel 2 and the extending lower lifting door panel 3 respectively press against the corresponding movable flat plate 72 and are clamped into the corresponding hidden groove bodies 7, and the covering operation of the covering door body 1 is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a people's air defense hides door, includes and hides door body (1), its characterized in that: the hidden type door is characterized by further comprising hidden groove bodies (7) arranged above and below the hidden door body (1), a cross beam (11) is arranged in the middle of the hidden door body (1) along the horizontal direction, an upper cavity (12) and a lower cavity (13) are respectively arranged at positions, above and below the cross beam (11), of the hidden door body (1), an upper lifting door plate (2) and a lower lifting door plate (3) are respectively sleeved in the upper cavity (12) and the lower cavity (13) in a sliding mode along the vertical direction, a movable flat plate (72) is clamped in the hidden groove body (7) in a sliding mode along the vertical direction, a spring (8) is vertically connected between the movable flat plate (72) and the inner end face of the hidden groove body (7), the outer ends of the upper lifting door plate (2) and the lower lifting door plate (3) are respectively matched with the inner cavity of the hidden groove body (7) in a sliding clamping mode along the vertical direction, the hidden door is characterized in that a transmission mechanism is arranged in the hidden door body (1), and the transmission mechanism is used for simultaneously driving the upper lifting door panel (2) and the lower lifting door panel (3) to extend outwards so as to press the corresponding movable flat plate (72) and enter the inner cavity of the hidden groove body (7).

2. A people's air defense occultation door according to claim 1, wherein: the lifting door plate is characterized by further comprising a transmission rod body (5), the transmission rod body (5) comprises a short shaft (51), a worm wheel (52) fixedly sleeved in the middle of the short shaft (51) and screws (53) fixedly butted at two ends of the short shaft (51), the screw thread turning directions of the screws (53) above and below the short shaft (51) are opposite, a middle cavity (14) is arranged at the central position of the cross beam (11), vertical shaft holes (15) are respectively formed in the centers of a top plate and a bottom plate of the middle cavity (14), the top bottom end of the short shaft (51) is respectively rotatably sleeved in the vertical shaft holes (15), the centers of the upper lifting door plate (2) and the lower lifting door plate (3) are respectively correspondingly sleeved with the screws (53) in a threaded manner, a cylindrical cavity (16) is arranged on one side of the middle cavity (14) of the cross beam (11), and a worm (6) meshed with the worm wheel (52) is rotatably arranged in the cylindrical cavity (16), the front end of the worm (6) penetrates through the front face of the covering door body (1) and is fixedly sleeved with a rotating wheel (9).

3. A people's air defense occultation door according to claim 2, wherein: the front wall and the rear wall of the cylindrical cavity (16) are respectively provided with a horizontal shaft hole (17) which is rotatably sleeved and matched with the front end and the rear end of the worm (6).

4. A people's air defense occultation door according to claim 2, wherein: the beam (11) is positioned at the positions of two sides of the transmission rod body (5) and is sleeved with a guide rod (4) along the vertical direction, and the top and the bottom of the guide rod (4) are correspondingly sleeved with the upper lifting door plate (2) and the lower lifting door plate (3) in a sliding mode along the vertical direction.

5. A people's air defense occultation door according to claim 1, wherein: the end face, far away from the hidden door body (1), of the hidden groove body (7) is respectively and fixedly connected with a plurality of cylinder bodies (71) in a vertical mode, and the spring (8) is sleeved in an inner cavity of each cylinder body (71).